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  • Polymer and Materials Science  (8,224)
  • General Chemistry  (6,946)
  • Cell & Developmental Biology  (1,307)
  • FLUID MECHANICS  (611)
  • Biochemistry and Biotechnology
  • 1960-1964  (12,442)
  • 1950-1954  (4,869)
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  • 101
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    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 6 (1964) 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
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  • 102
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    Biotechnology and Bioengineering 6 (1964), S. 147-158 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The equipment and operational techniques are described which were found suitable to control pH in the range 6.8-7.8 pH, within ±0.03 pH units of the desired value, at cell concentrations up to a maximum of 2.5 × 106/ml. The results of batch growth of a suspension strain of the BHK cell (clone 13) under conditions of controlled pH are given and the significance of these results is discussed.
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  • 103
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    Biotechnology and Bioengineering 6 (1964), S. 127-146 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Sugar molasses of high specific activity is prepared by photosynthesizing C14O2 into sugar in a leaf of the Canna plant and then extracting the sugar. When T. utilis is grown in such a medium about 45% of the radioactivity is incorporated into the yeast cell; the remaining radioactivity is carbon dioxide and volatile organic compounds. The cells are now randomly labeled in all carbon compounds. Distribution of C14 in the major cell components, such as protein, polysaccharide, and nucleic acids is shown.Nucleic acid is extracted from the cells and subject to chemical and enzyme action, for the preparation of randomly labeled ribonucleotides. Proteins are isolated and hydrolyzed to yield high specific activity amino acids, up to 150 mc. per millimole. Similarly polysaccharides are also isolated and from them high specific activity glucose and mannose are obtained by acid hydrolysis.By growing T. utilis in a medium containing C14-8-adenine and C14-2-uracil, these bases are about 90% incorporated into the nucleic acids of the cell. Using the same methods described for the uniformly labeled nucleic acid only base labeled nucleosides and nucleotides are prepared.Preparative procedures for the isolation of some of these compounds are discussed. The latest biochemical techniques for their purification are described. Methods for assaying for radiochemical purity and problems concerining stability of high specific activity compounds are discussed.
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  • 104
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    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 6 (1964), S. 159-165 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A method has been devised for the estimation in fermentation media, of 1-dehydro-17-α-methyltestosterone in the presence of 17-α-methyltestosterone. This method involves the extraction of the steroids with chloroform, and spectrophotometric measurement of the chromogen formed by a specific color reaction with sulfuric acid and 1-dehydro-17-α-methyltestosterone. The fermentation liquor and 17-α-methyltestosterone do not interfere. With this rapid (30 min.) method, quantitative tests on the progress of the steroid transformation can be made at frequent intervals during one fermentation run, these tests yielding the necessary information for an adequate control of the optimum conditions of production.
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  • 105
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    Biotechnology and Bioengineering 6 (1964), S. 167-171 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Solubilization of proteins from cereals, legumes, and oil seed cakes by alkali peptization and isoelectric precipitation is adversely affected if the source material is pretreated by ethanol or cooked under pressure. The degree of hydrolysis by trypsin of protein isolates obtained from unautoclaved materials is, however, considerably raised by heat treatment prior to enzymatic digestion.
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  • 106
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    Biotechnology and Bioengineering 6 (1964), S. 173-190 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A 2000 l. 1 m. deep mass culture of algae was operated with continuous stirring, as an open system. The system behaved as an ecological unit selecting the most favored species. The ecological conditions could be modified by stirring speed and pattern in the tank. Methods for improving yields and utilization of CO2 are described. Assessment of algal species for suitability in mass cultures is discussed. Yields obtained were 13 g. dry matter/sq. m. illuminated area/day.
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  • 107
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    Biotechnology and Bioengineering 6 (1964), S. 245-245 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
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  • 108
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    Biotechnology and Bioengineering 6 (1964), S. 247-270 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The effects of ambient pressure and ultrasonic power on the disintegration of yeast suspension have been investigated. The results obtained are, in the main, consistent with the theory that cell breakage is primarily a phenomenon dependent on producing gaseous cavitation in the medium. The importance of the experimental results and techniques applied to Commercial cell disintegrators is briefly discussed. A simple flow system is described which is easily attached to probe-type disintegrators. The use of a crystal pickup for tuning and control purposes is described.
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  • 109
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    Biotechnology and Bioengineering 6 (1964), S. 241-242 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
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  • 110
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    Biotechnology and Bioengineering 6 (1964) 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
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  • 111
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    Biotechnology and Bioengineering 6 (1964), S. 271-283 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Aeration and agitation conditions in 250 l. baffled fermenters with different impeller diameters, speeds, and air flows were studied during fermentations for the production of rifamycin, a new antibiotic produced by Streptomyces mediterranei. Dissolved oxygen concentration was continuously measured and the courses of power input, oxygen diffusion rate QO2, dry weight, viscosity, pH, sugar utilization, and antibiotic titer determined. Higher antibiotic yields occurred when the oxygen demand of the culture was satisfied and an excess of dissolved oxygen was still present during a critical period of the fermentation between the 50th and the 80th hr. To meet this requirement a power input of about 3.0 w./l. and an air flow ranging from 0.8 to 1.5 l./l./min. were found to be necessary.
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  • 112
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    Biotechnology and Bioengineering 6 (1964), S. 285-297 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Semicontinuous sulfide fermentation has been conducted with distillery spent liquor as the source of carbon employing a strain similar to Desulphovibrio rubentschikii. Mineral barites and gypsum have been used as the hydrogen acceptors during the studies. Results reveal that mineral barites can also react very favorably as hydrogen acceptors. Sulfates have been used both in powdered (200 mesh) and lumpy (1/4-1/2 in. size) forms. When applied in lumpy form in a packed tower, both the mineral sulfates produced higher yields of sulfide compared to their corresponding finely pulverized states. Thus, under similar conditions, fermentation conducted with pulverized gypsum showed a yield of 450-550 p.p.m. hydrogen sulfide, whereas the yield was as high as 750-1025 p.p.m. when gypsum lumps were used as a packing. Corresponding figures with barites are 300 and 540 p.p.m., respectively. Continuous sulfide fermentation has also been conducted in a packed tower containing lumpy gypsum as the packing under total recirculation. Daily buildup of sulfide was observed to be as high as 180 mg./l. of fermenting medium. Appreciable reduction in COD of the effluent was observed during the above studies. Thus, with barites, per cent COD reduction values were 30-35, 45-50, 60-65, and 75-80 with retention periods of 10, 15, 25, and 35 days, respectively. With gypsum, per cent COD reduction was 50-70 with 10 days's residence time. The effects of the retention period on sulfide yield and volatile acid content were also studied. The longer the retention period, the higher is the sulfide yield and the lower the volatile acid content of the discharge becomes. Studies were also conducted to find the correct composition of volatile acids in the discharge, as well as the levels of their concentration during continuous feeding and discharge over a number of days. It has been observed that during 18 hr. of fermentation in a batch, volatile acid concentration increased from 6.76 m. to 15.01 mmoles per liter of medium of which 10 mmoles are acetic, 0.833 mmoles butyric, and 4.16 mmoles propionic acid. Studies on soluble and insoluble sulfate balance have also been made in a synthetic medium containing calcium acetate as the substrate. Unaccounted for sulfates were negligible and a deviation between the actual and calculated sulfide yield did not exceed 2%. It is also observed that, when fermentations are conducted in sulfate packed columns, the color of the effluent becomes paleyellow containing very little suspended and volatile matter compared to the deep-black color of the emuent emerging from a ferrnenter fed with pulverized sulfates. This liquor contains 0.5271% soluble ash (computed as potash) and might be a good source of potash.
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  • 113
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    Biotechnology and Bioengineering 6 (1964), S. 10-11 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
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  • 114
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    Biotechnology and Bioengineering 6 (1964), S. 22-22 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
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  • 115
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    Biotechnology and Bioengineering 6 (1964), S. 36-49 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
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  • 116
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    Biotechnology and Bioengineering 6 (1964), S. 59-62 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
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  • 117
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    Biotechnology and Bioengineering 6 (1964), S. 73-81 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
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  • 118
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    Biotechnology and Bioengineering 6 (1964), S. 8-9 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
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  • 119
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    Biotechnology and Bioengineering 6 (1964), S. 18-21 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
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  • 120
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    Biotechnology and Bioengineering 6 (1964), S. 26-28 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
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  • 121
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    Biotechnology and Bioengineering 6 (1964), S. 53-56 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
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  • 122
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    Biotechnology and Bioengineering 6 (1964), S. 65-68 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
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  • 123
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    Biotechnology and Bioengineering 6 (1964), S. 329-345 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: During investigations of submerged fermentation of penicillin and chlortetracycline, we reached the conclusion that production in relation to oxygen transfer is relatively uninfluenced by the composition of the fermentation medium. The maximum penicillin production, using the strain Penicillium chrysogenum NG in flasks on a shaker was uniformly achieved in all investigated media with an oxygen transfer rate of 0.81; and in chlortetracycline, using strain Streptomyces aureofaciens BMK-11, with an oxygen transfer rate of 0.59 ml. O2/ml./hour. The primary factor which influences the antibiotics production is the transfer of oxygen into the liquid. The absolute volume of production is, however, partly influenced by mechanical conditions of fermentation and the composition of the medium.
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  • 124
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    Biotechnology and Bioengineering 6 (1964), S. 361-365 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The ability of Bacillus subtilis to accumulate guanosine 5′-monophosphate (5′-GMP) extracellularly was demonstrated by isolation of 85% pure 5′-GMP from the broth. In addition, a compound with the properties of guanosine 5′ diphosphate was obtained from the same broth.
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  • 125
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    Biotechnology and Bioengineering 6 (1964), S. 5-5 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
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  • 126
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    Biotechnology and Bioengineering 6 (1964), S. 12-13 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
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  • 127
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    Biotechnology and Bioengineering 6 (1964), S. 82-84 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
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  • 128
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    Biotechnology and Bioengineering 6 (1964), S. 87-125 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
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  • 129
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    Biotechnology and Bioengineering 6 (1964), S. 243-243 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
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  • 130
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    Biotechnology and Bioengineering 6 (1964), S. 23-25 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
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  • 131
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    Biotechnology and Bioengineering 6 (1964), S. 299-307 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A soil isolate, HD-5, identified as closely resembling Candida intermedia, was grown on normal alkanes ranging from dodecane (C12) to octadecane (C18). The growth rate of the organism increased with increasing length of the alkane chain. The shortest generation time was 4.5 hr. with octadecane as the carbon source. Cell yields of 82% were common with even numbered alkanes from C14 through C18. The cell yields appeared to decrease with shorter chain (C12 or below) and odd-numbered chain alkanes. The cellular nitrogen ranged from 6.9 to 7.5% and the highest lipid content found was 10.3% (with C17).
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  • 132
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Various methods for the removal of extraneous matter from vaccinia virus suspensions are described and compared. Of ten procedures tested, differential centrifugation and Freon extraction were the most successful. Both the partially purified suspensions and the dried products prepared from them had high virus titers in embryonated eggs and high infectivity for mice. Although both processes resulted in products with the same titers, the differentially centrifuged product was approximately tenfold more purified as shown by the percentage solids of the suspensions before freeze drying.
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  • 133
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    Biotechnology and Bioengineering 6 (1964) 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
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  • 134
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    Biotechnology and Bioengineering 6 (1964), S. 347-360 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The oxygen uptake rate to suspended cells of Pseudomonas ovalis was measured in two ways using the same cell suspension. Initially the rate was found by measuring the rate of production of gluconic acid by cells suspended in a nitrogenfree, aerated medium. Then, an oxygen electrode was used to measure the rate of transfer of dissolved oxygen to cells suspended in a liquid that was being agitated but not sparged. These rates were markedly different. It was found that agitation affected the oxygen transfer rates in aerated solutions at dissolved oxygen concentrations well above the critical level, but had no affect on the oxygen uptake rates by cells suspended in an unsparged but agitated medium. The data suggested that an additional path existed for oxygen transfer. This alternate route, parallel to the conventional pathway of oxygen transfer, becomes operative when the liquid films surrounding the cells and bubbles merge. The resulting shorter path presents a mechanism for direct transfer of oxygen which increases in importance as the gas-liquid interfacial area increases.
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  • 135
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    Biotechnology and Bioengineering 6 (1964), S. 381-401 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A unit of four fermentors, which is specially designed for batch and continuous cultivation of pathogenic microorganisms in vaccine preparation, is described. Each unit consists of a panel with controls and recorders. The fermentor itself consists of a stainless steel lid, to which a spherical or cylindrical glass vessel is attached. Holding volumes are from 1 to 100 l. (3 and 7 l. being mostly used) and can be obtained by simply exchanging the vessels which have similar flanges.Interchangeability, not only of the glass vessels, but also of the stirrers, pipes, pH electrodes, etc., together with variable control of temperature, stirrer speed, air or gas flow, and pH value gives the unit a maximum of versatility.
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  • 136
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    Biotechnology and Bioengineering 6 (1964), S. 403-418 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Methods for composting small quantities of organic materials have been developed in order to be able to better study the composting process. A composting bin was developed which holds 27 cu. ft. of compost and which provides uniform conditions of temperature, moisture, and aeration within the compost mass. A system for indoor composting of less than one cubic foot of material has been developed and is described. The methods have been shown to be reliable and reproducible. The composts were evaluated for their suitability for mushroom growing and were found to give high yields of mushrooms.
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  • 137
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    Biotechnology and Bioengineering 6 (1964), S. 473-490 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
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  • 138
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    Biotechnology and Bioengineering 6 (1964) 
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    Keywords: Chemistry ; Biochemistry and Biotechnology
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  • 139
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    Biotechnology and Bioengineering 6 (1964), S. 6-7 
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    Keywords: Chemistry ; Biochemistry and Biotechnology
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  • 140
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    Biotechnology and Bioengineering 6 (1964), S. 14-17 
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    Keywords: Chemistry ; Biochemistry and Biotechnology
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  • 141
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    Biotechnology and Bioengineering 6 (1964), S. 29-35 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
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    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
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    Biotechnology and Bioengineering 6 (1964), S. 57-58 
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    Keywords: Chemistry ; Biochemistry and Biotechnology
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    Biotechnology and Bioengineering 6 (1964), S. 69-70 
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    Keywords: Chemistry ; Biochemistry and Biotechnology
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    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
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    Biotechnology and Bioengineering 6 (1964), S. 243-243 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
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    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964), S. 972-972 
    ISSN: 0947-5117
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964), S. 977-987 
    ISSN: 0947-5117
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
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    Description / Table of Contents: Copper-nickel alloys for apparatusBecause of their corrosion-chemical and mechanical properties, the alloys of the copper-nickel system are suitable for applications in the sphere of equipment construction. The binary alloys, both on a copper basis and on a nickel basis, can be improved by further alloying metals in respect of strength, workability and corrosion resistance. The different applications are illustrated by typical examples.
    Notes: Die korrosionschemischen und mechanischen Eigenschaften der Legierungen des Systems Kupfer-Nickel machen diese für vielseitige Verwendungen im Apparatebau geeignet. Die binären Legierungen sowohl auf Kupfer- als auch auf Nickel-Basis können durch weitere Zusätze hinsichtlich Festigkeit, Verarbeitung und Korrosions- beständigkeit verbessert werden. Für die Anwendungsgebiete werden typische Beispiele gegeben.
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964), S. 976-976 
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    Keywords: Chemistry ; Polymer and Materials Science
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964) 
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    Keywords: Chemistry ; Polymer and Materials Science
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964), S. 991-995 
    ISSN: 0947-5117
    Keywords: Chemistry ; Polymer and Materials Science
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    Description / Table of Contents: Homogeneously lead coated steel as a material of construction III. Mechanised processes for homogeneous lead coatingsDeparting from the classical German lead-coating method, an extensive synopsis is given of the mechanisation of homogeneous lead coating, making use of the oxy-acetylene burner. The report covers some of the author's own works as well as, on the basis of patent literature, the works carried out by the Broken Hill Assoc. Smelters Proprietary Ltd. and the Consolidated Mining & Smelters Company of Canada.
    Notes: Ausgehend von den klassischen deutschen Verbleiungsverfahren wird ein ausführlicher Überblick über die Mechanisierung der Homogen-Verbleiung unter Verwendung des Acetylen-Sauerstoff-Brenners gegeben. Berichtet wird über eigene einschlägige Arbeiten sowie an Hand der Patentliteratur über die der Broken Hill Assoc. Smelters Proprietary Ltd. und der Consolitated Mining & Smelters Comp. of Canada.
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964), S. 1010-1015 
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    Keywords: Chemistry ; Polymer and Materials Science
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964), S. 305-307 
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    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
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    Description / Table of Contents: Corrosion caused by dust and sootSoot and dust present in the atmosphere and in waste gases show great differences in quantity and composition. The corrosion damage, caused by them (and briefly discussed in the present paper) has correspondingly different characteristics which depend on the physical properties and chemical composition of these media.
    Notes: Ruß und Staub, die in der atmosphärischen Luft und in Abgasen in unterschiedlichen Mengen wie Beschaffenheit vorhanden sind, führen zu ebenso unterschiedlichen, von den physikalischen Eigenschaften und der chemischen Zusammensetzung dieser Medien abhängigen, kurz gekennzeichneten Korrosionsschäden.
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964), S. 293-299 
    ISSN: 0947-5117
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Stainless steels for the motor car industryThe author reports on the use of stainless steels for ornamental parts of motor vehicles, on the basis of experience abroad, especially in America. Stainless chromium steels with 17 pC chromium or less are apt to fail under critical conditions, and should only be used for parts subjected to relatively low stresses. In contrast, much use can be made of chromium steels alloyed with molybdenum and chromenickel steels. German specifications have also led to the development of a chromemolybdenum steel (Material No. 1.4113) of a composition similar to that of the American steel AISI 434. The author discusses the composition and mechanical properties of the steels used in Germany for ornamental parts of motor cars.In a second part of the paper, a description is given of corrosion tests normally applied in Germany and in USA. The different tests also have certain drawbacks, which are indicated. A detailed comparison of the different testing methods, accompanied by test results, is intended to be the subject of a later communication.
    Notes: Es wird über die Verwendung nichtrostender Stähle für Kraftfahrzeugzierteile berichtet. Dabei wird von den Entwicklungen im Ausland und besonders den amerikanischen Erfahrungen ausgegangen. Nichtrostende Chromstähle mit 17% Cr oder weniger können unter kritischen Bedingungen versagen und sollten nur für geringer beanspruchte Teile gebraucht werden. Chromstähle mit Molybdänzusatz und Chrom-Nickel-Stähle sind dagegen weitgehend verwendbar. Die Abnahmebedingungen in Deutschland führten gleichfalls zur Entwicklung eines Chromstahls mit Molybdänzusatz (Werkstoff Nr. 1.4113), der in seiner Zusammensetzung dem amerikanischen Stahl AISI 434 gleicht. Es werden die Zusammensetzungen und die mechanischen Eigenschaften der in Deutschland für Zierteile gebräuchlichen Stähle genannt.In einem zweiten Teil werden Korrosionsprüfungen, wie sie in Deutschland und in USA üblich sind, beschrieben. Die verschiedenen Prüfungen weisen auch Nachteile auf, die angedeutet werden. Eine ausführliche Gegenüberstellung der einzelnen Prüfverfahren zusammen mit Versuchsergebnissen soll in einer späteren Mitteilung erfolgen.
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964), S. 300-305 
    ISSN: 0947-5117
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
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    Description / Table of Contents: Atmospheric corrosion of coated steelIn the first section reactions between steel and base-coat are interpreted as starting the corrosion. On the metal surface it is a matter of electrolytic reactions between anodic and cathodic parts, as well as chemical reactions caused by foreign substances on and in the surface. In the coating-film the decisive role is played by the permeability of atmospheric substances.The second section deals with fundamental corrosion reactions beneath the coating. Three stages of corrosion process are distinguished, beginning with the formation of ferro-ions and ending with the precipitation of ferric oxides. The water permeability of the primers is responsible for initiating the first stage.In the third section the most important means of inhibiting the corrosion process are discussed; among them are the choice of the optimal film-forming matter, the correct pigmentation (qualitatively and quantitatively), and, finally, the incorporation of effective inhibitors in the film.
    Notes: Im ersten Teil werden Reaktionen in der Grenzfläche zwischen Stahl und Anstrichfilm dargelegt, die den Rostprozeß in Gang setzen. Auf der Metallseite handelt es sich um elektrolytische Vorgänge zwischen anodischen und kathodischen Bereichen sowie chemische Reaktionen an verunreinigenden Fremdkörpern auf und in der Eisenoberfläche. Auf der Filmseite spielt die Durchlässigkeit für atmosphärische Bestandteile die entscheidende Rolle.Der zweite Teil beschäftigt sich mit den grundlegenden Unterrostungsreaktionen beim gestrichenen Stahl. Drei Stufen des Rostprozesses werden unterstrichen, die mit der Bildung von Ferro-Ionen beginnen und mit der Ausfällung von Eisenoxyden enden. Die Permeabilität der Grundierungen für Wasser setzt die erste Stufe in Gang.Im dritten Teil sind die wichtigsten Eingriffsmöglichkeiten für die Hemmung des Rostvorganges zur Diskussion gestellt. Hierzu gehören die Wahl des optimalen Filmbildners für den gegebenen Fall, die korrekte Pigmentierung (qualitativ wie quantitativ) und der Einbau wirksamer Hemmstoffe in den Film.
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964), S. 307-313 
    ISSN: 0947-5117
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
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    Description / Table of Contents: Technology of the continuous anodisation of aluminium tapes and wiresFollowing an introductory synopsis, dealing in particular with the insulating Properties of anodised semi-finished products and their applications in the electrical industry, a detailed description given of the systematic anodisation tests carried out by the Institute for Metallurgical Research in Budapest. A special installation designed for the anodic oxidation of semi-finished products and an oxidation method already tried out on an industrial scale (pre-treatment, baths, working methods, post-treatment) are described and illustrated. In conclusion, the German, British, French and Hungarian testing methods for anodised semi-finished products are surveyed.
    Notes: Im Anschluß an einen einführenden Überblick, insbesondere über das lsolationsverhalten von anodisiertem Halbzeug und dessen Einsatz in der Elektrotechnik, wird ausführlich über die vom Institut für Metallforschung, Budapest, durchgeführten systematischen Anodisierungsversuche berichtet. In Wort und Bild beschrieben wird die für die anodische Halbzeugoxydation entwickelte Spezialanlage und das bereits großtechnisch erprobte Oxydationsverfahren, (Vorbehandlung, Bäder, Arbeitstechnik, Nachbehandlung). Abschließend wird ein Überblick über die deutschen, englischen, französischen und ungarischen Prüfverfahren für anodisiertes Halbzeug gegeben.
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964), S. 315-318 
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    Keywords: Chemistry ; Polymer and Materials Science
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964), S. 321-323 
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    Keywords: Chemistry ; Polymer and Materials Science
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964), S. 313-315 
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    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
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    Description / Table of Contents: Fibre metallurgyThrough producing a metallic fibre felt (fibre thickness 0.025 to 0.5 mm; fibre length 0.75 to 25 mm), one obtains compounds of high porosity (up to 97 pC) which, after sintering in a reducing atmosphere, can be processed by all conventional methods. In contrast to metal powder sinter products, the pores extend right across so that the material combines high permeability with a high surface/volume ratio. Virtually all metals and alloys can be converted into fibre substances. The only difficulties are encountered, during sintering, with metals with stable oxide films on the surface (Al). Among present applications are filters of high permeability, catalyst carriers, supporting grids for lead batteries, sound insulation, reinforcement of plastics, metals (Mg, Pb) and refractory ceramic compounds.
    Notes: Durch Herstellen eines metallischen Faserfilzes (Faserdicke 0,025 bis 0,5 mm, Faserlänge 0,75 bis 25 mm) erhält man Massen hoher Porosität (bis 97%), die nach Sintern in reduzierender Atmosphäre nach allen üblichen Verfahren bearbeitet werden können. Im Gegensatz zu Metallpulver-Sinterkörpern sind die Poren hier durchgehend, so daß das Material hohe Durchlässigkeit mit großem Verhältnis Oberfläche/Volumen vereinigt. Praktisch alle Metalle und Legierungen lassen sich in Faserkörper überführen, lediglich Metalle mit stabilen Oxydschichten auf der Oberfläche (Al) bieten Schwierigkeiten beim Sintern. Zu den bisherigen Anwendungen gehören Filter hoher Durchlässigkeit, Katalysatorträger, Stützgitter für Bleiakkumulatoren, Schallisolierung, Verstärkung von Kunststoffen, Metalle (Mg, Pb) und keramische hitzebeständige Massen.
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964), S. 319-320 
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964), S. 324-326 
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964), S. 330-332 
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964), S. 597-604 
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964), S. 605-616 
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    Description / Table of Contents: Comparing the results of electro-chemical corrosion testing methods with the practical performance of the materialsThe paper provides an extensive synopsis of present-day knowledge and experience on this subject, with detailed bibliographical notes. The questions as to what extent the results of electrochemical corrosion testing methods permit conclusions concerning the expected performance of the materials in practice is discussed from various aspects. After a description of the test methodology applied to the determination of the stability ranges (activity, passivity, immunity) which can be defined by electrode potentials, the author deals with a number of applications such as: cathodic and anodic corrosion protection, determination of pit corrosion proneness and stress corrosion proneness, electrokinetic tests of the effectiveness of surface treatments, protection criteria for corrosion inhibitors. Finally, some applications in the field of industrial routine testing are discussed.
    Notes: Weitgefaßter Überblick des heutigen Kenntnis- und Erfahrungsstandes, mit ausführlichem Schrifttumsverzeichnis. Die Frage, wie weit die Ergebnisse elektrochemischer Korrosionsprüfmethoden Schlüsse auf das voraussichtliche Verhalten der Werkstoffe in der Praxis ermöglichen, wird unter verschiedenen Aspekten diskutiert. Nach einer Darstellung der Versuchsmethodik zur Ermittlung der durch Elektrodenpotentiale definierbaren Beständigkeitsbereiche (Aktivität, Passivität, Immunität) werden verschiedene Anwendungsgebiete erörtert: kathodischer und anodischer Korrosionsschutz, Ermittlung der Anfälligkeit für Lochfraß und Spannungskorrosion, elektrokinetische Prüfung der Wirksamkeit von Oberflächenbehandlungen, Schutzkriterien für Korrosionsinhibitoren. Schließlich werden einige Anwendungen bei der industriellen Routine prüfung mitgeteilt.
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964), S. 848-854 
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964), S. 436-436 
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964), S. XV 
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964) 
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    Keywords: Chemistry ; Polymer and Materials Science
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964), S. 631-633 
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    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
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    Description / Table of Contents: Homogenously lead-coated steel as a structural material Part IA survey of the requirements stipulated by industrial plants in respect of works equipment and structural materials exposed to sulphur oxide corrosion is followed by a discussion of the advantages to be obtained from the use of homogeneous lead coating as an effective measure of protection. Departing from the conventional lead coating methods, the relevant developments (pretinning as advised by Flosel) are discussed.
    Notes: Nach einem Überblick über die Anforderungen, welche Industriewerke an Apparaturen und Konstruktionswerkstoffe stellen, die dem Angriff von Schwefeloxyden ausgesetzt sind, werden die Vorteile, welche die homogene Verbleiung als wirkungsvolles Schutzverfahren bietet, aufgezeigt. Ausgehend von den klassischen Verbleiungsverfahren wird die einschlägige Entwicklung (Vorverzinnung nach Flosol) dargestellt.
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964), S. 901-908 
    ISSN: 0947-5117
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Hardenable corrosion-proof steels for the chemical industryThe designer of apparatus for the chemical industry is nowadays able to use a great number of materials which meet the most variegated specifications concerning their mechanical properties and chemical resistance. With higher mechanical stresses, the selection is confined to harder materials where little is known about their chemical resistance.The corrosion properties of hardenable steels with high chemical resistance have therefore been investigated in detail and have been compared with the well-known steels used for chemical apparatus. The investigation concerned the weight losses as well as the electronic characteristics. The steels mainly subjected to these tests comprise segregation-hardenable chrome-nickel steels and hardenable chrome steels. Most of the qualities recommended in literature proved to be inferior to those of the soft 18/9 chrome-nickel steels and 18/10 chrome-nickel-molybdenum steels. It is only the higher-alloyed segregation-hardened steels whose corrosion resistance is in keeping with the steel mentioned above.Chemically resistant structural steels for the industry are, in apparatus construction, generally used in the soft state. For this condition, there are adequate data permitting an assessment of the corrosion resistance in the most variegated media.If the chemical stress is associated with a mechanical stress, it is necessary to use chemically resistant steels of higher strength. Mechanical stresses on chemically resistant steels are mainly encountered at valves, slides, and hoisting equipment where materials of adequate hardness or with adequate hardness differentials must be used in order to reduce abrasion and erosion. The chemical resistance of these hard materials should be the same as that of the soft steel used for chemical apparatus.
    Notes: Dem Apparatebauer der chemischen Industrie steht heute eine große Zahl von Werkstoffen zur Verfügung, die bezüglich ihrer mechanischen Daten und chemischen Beständigkeit den verschiedensten Beanspruchungen genügen. Bei höherer mechanischer Beanspruchung wird die Auswahl auf härtere Werkstoffe beschränkt, über deren chemische Beständigkeit nur wenig bekannt ist.Die Korrosionseigenschaften härtbarer chemisch beständiger Stäble wurden daher eingehend geprüft und mit den bekannten Stählen des chemischen Apparatebaues verglichen. Die Untersuchung erstreckte sich sowohl auf die Gewichtsverluste als auch awf elektronische Kennziffern. Geprüft wurden vorwiegend ausscheidungshärtbare Chrom-Nickel-Stähle und härtbare Chromstähle. Die meisten der im Schrifttum empfohlenen Qualitäten erwiesen sich den weichen 18/9 Chrom-Nickel- und 18/10 Chrom-Nickel-Molybdän-Stählen unterlegen. Nur die höher legierten Ausscheidungshärter entsprechen in ihrem Korrosionsverhalten den obigen Apparatebaustählen.Chemisch beständige Baustähle für die Industrie werden allgemein in weichem Zustand vom Apparatebau verarbeitet. Für diesen Zustand verfügen wir über ausreichende Unterlagen zur Beurteilung der Korrosionsbeständigkeit in den verschiedensten Medien.Tritt zur chemischen Beanspruchung auch eine mechanische, so werden chemisch beständige Stähle höherer Festigkeit gefordert. Mechanische Beanspruchung chemisch beständiger Stähle tritt vor allem an Ventilen, Schiebern und Fördereinrichtungen auf, wo Werkstoffe mit ausreichender Härte bzw. Härteunterschieden eingesetzt werden müssen, um Verreibung und Abrieb zu vermindern. Die chemische Beständigkeit dieser harten Werkstoffe sol1 dieselbe sein wie die der weichen Apparatebaustähle.
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964), S. 1-1 
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    Keywords: Chemistry ; Polymer and Materials Science
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964), S. 27-30 
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    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: The corrosion behaviour of cast aluminium bronzesCast aluminium bronzes are cast alloys consisting of at least 70 pC copper, with aluminium as the principal alloying material. In the form of multi-alloy aluminium bronzes, they also contain iron, nickel, manganese and silicon. They are distinguished by a number of favourable properties, including a high corrosion resistance.Special, non-standard “Inoxyda” aluminium bronzes have been subjected to corrosion tests. The results show that the choice of the alloying materials must depend on the liquid media in contact with the materials. Fullest success in technical applications can only be attained if the metal becomes covered by a dense, adhesive and non- porous protective layer, depending on the material and liquid, respectively. Each individual case must therefore be carefully innvestigated.
    Notes: Guß-Aluminiumbronzen sind Gußlegierungen aus mindestens 70% Cu und dem Hauptlegierungszusatz Aluminium. Als Guß-Mehrstoff-Aluminiumbronzen enthalten sie außerdem noch Eisen, Nickel, Mangan sowie Silicium. Eine Reihe günstiger Eigenschaften zeichnen sie aus, darunter auch gute Korrosionsbeständigkeit. Von den Normen abweichende Sonder-Aluminiumbronzen „Inoxyda“ wurden für Korrosionsversuche verwendet. Aus deren Ergebnissen geht hervor, daß die Wahl der Legierungszusätze den flüssigen Medien zu treffen ist, die mit den Werkstoffen in Berührung kommen. Die beste Bewährung bei Einsatz in deu Technik wird nur dann erreicht, wenn sich auf dem Metall jeweils eine dichte, festhaftende und porenfreie werkstoff- bzw. flüssigkeitsgebundene Schutzschicht bildet. Jeder Einzelfall ist deshalb genau zu prüfen.
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964), S. 13-27 
    ISSN: 0947-5117
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Acid-proof construction and acid protectionThe paper is intended to be a critical survey of the present state of acid protection technology. To distiguish them from “corrosion protection”, the notions of “acid-proof construction” and “acid protection” are defined. Because of the mechanical and thermal stresses which the bearing structure of the acid-proof construction must be expected to withstand, the subsoil must conform to very exacting requirements; these are discussed in detail for reinforced concrete and steel plate containers. There are, in principle, two methods of obtaining acid protection. The conventional method is based on the use of acid-proof bricks, laid with suitable mortars and jointing materials. The modern method is based on the exclusive use of plastics linings. The materials concerned are described in detail, together with their chemical, mechanical and thermal characteristics which determine their application ranges. The paper is supplemented by two practical examples, concerned with the acid-proofing of floors and containers, respectively.
    Notes: Die Arbeit soll einen kritischen Überblick über den heutigen Stand der Säureschutztechnik geben. Zur Abgrenzung vom Korrosionsschutz werden die Begriffe „Säurebau“ und „Säureschutz“ definiert. Auf Grand einer zu erwartenden mechanischen und thermischen Belastung der Tragkonstruktion für den Säureschutz sind strenge Anforderungen an die Untergrundbeschaffenheit zu stellen, die bei Stahlbeton- und Stahlblechbehältern im einzelnen dargestellt werden. Es gibt zwei Methoden zur Herstellung eines Säureschutzes. Bei der klassischen Methode werden säurefeste Steine unter Verwendung von entsprechenden Verlege- und Verfugewerkstoffen eingesetzt, bei der neuzeitlichen Methode hingegen lediglich Kunststoffbeschichtungen. Die jeweils verwendeten Werkstoffe werden im einzelnen unter Angabe der chemischen, mechanischen und thermischen Stoffwerte und damit der Einsatzgrenzen beschrieben. Zwei Anwendungsbeispiele für die Herstellung eines Säureschutzes bei Fußböden bzw. bei Behältern ergänzen die Darlegungen.
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    Description / Table of Contents: The working conditions associated with the electrolytic deposition of lead from a new complex lead acetate-lead sulphate bathBy means of systematic series of tests, the optimum concentration of the bath constituents, temperature, PH value and current density were determined. The investigations also extended to the porosity and corrosion resistance of the lead coatings obtained. It was found that the lead coatings obtained from the complex lead acetate-lead sulphate bath are virtually free from pores if the layer is no thicker than about 12 microns; they are therefore highly resistant. The bath contents of complex dissolved lead sulphate and of organic substances have an important bearing on the deposition of homogeneous fine-grain coatings. The optimum limits for the composition of the bath and the working conditions for the lead bath are stated.
    Notes: Durch systematische Versuchsreihen wurden die optimale Konzentration der Badbestandteile sowie die Temperatur, der pH, Wert und die Stromdichte ermittelt. Auch die Porosität und Korrosionsbeständigkeit der erhaltenen Bleiüberzüge wurde untersucht. Dabei zeigte es sich, daß die aus dem komplexen Bleiacetat-Bleisulfatbad erhaltenen Bleiüberzüge bereits bei einer Schichtdicke von etwa 12 Mikron praktisch porenfrei und dadurch sehr beständig sind. Der Gehalt des Bades an komplex gelöstem Bleisulfat sowie an organischen Stoffen ist für die Abscheidung feinkörniger und gleichmäßiger Überzüge sehr wesentlich. Die optimalen Grenzen der Zusammensetzung des Bades und der Arbeitsbedingungen des Bleibades werden angeführt.
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964), S. 972-973 
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    Keywords: Chemistry ; Polymer and Materials Science
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964), S. 973-976 
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    Keywords: Chemistry ; Polymer and Materials Science
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964), S. 976-976 
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964), S. 289-289 
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964), S. 988-991 
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    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Corrosion of asbestos pipes by aggressive watersIn Bulgaria, asbestos pipes (made of Portland cement and chrysotil or amphibol asbestos, with calcium hydrosilicates, hydro-aluminates, hydro-ferrites and hydroxides as setting products) serve for the drainage of corrosive waters (rain, snow and mineral water). Depending on the constituent materials, and on the composition, temperature, pressure and exposure period o f the water, the type and degree of the corrosion effects vary. On the strength of experience gathered over many years from asbestos pipes installed in different places, the authors deal in some detail with the performance, in principle, of asbestos pipes exposed to soft water, hard water and mineral water.
    Notes: Asbestrohre (Aufbaustoffe: Portlaunzement und Chrysotil- bzw. Amphibol- asbest  -  Abbindeprodukte: Ca-Hydrosilicate, -Hydroaluminate, -Hydroferrite und -Hydroxyd) dienen in Bulgarien zur Fortleitung aggressiver Wässer (Regen-, Schnee- und Mineralwasser). Sie werden je nach Aufbaustoffen, Zusammensetzung, Temperatur, Druck und Einwirkungsdauer des Wassers unterschiedlich stark und verschiedenartig angegriffen. Aus dem langjährigen praktischen Verhalten von an verschiedenen Stellen installierten Asbestrohren wird über deren grundsätzliches Verhalten gegenüber weichem und hartem Wasser sowie Mineralwasser ausführlich berichtet.
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964), S. 291-291 
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    Materials and Corrosion/Werkstoffe und Korrosion 15 (1964), S. 291-292 
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