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  • Springer  (228)
  • Elsevier  (209)
  • Institute of Physics  (66)
  • Cell Press  (49)
  • American Geophysical Union
  • Periodicals Archive Online (PAO)
  • 2010-2014  (473)
  • 1980-1984  (69)
  • 1965-1969  (18)
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  • 11
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    Unknown
    Dordrecht : Periodicals Archive Online (PAO)
    Theory and Decision. 16:2 (1984:Mar.) 111 
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  • 12
    Electronic Resource
    Electronic Resource
    Springer
    Theoretical and applied genetics 38 (1968), S. 123-125 
    ISSN: 1432-2242
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Zusammenfassung An drei Kreuzungsreihen von Sorten unterschiedlicher Hülsenfarbe (schokoladenbraun, rostrot, grün mit schokoladenbraunen Streifen und grün mit rostroten Streifen) wurde die Vererbung dieses Merkmals bei der Straucherbse (Cajanus cajan (L.) Millsp.) untersucht. Für das Auftreten der schokoladenbraunen Hülsenfarbe ist das GenL verantwortlich,L r, ein bisher unbekanntes Allelomorph vonL, für die rostrote Farbe, während das GenD die Verteilung der Farbe steuert.L ist vollständig dominant überL r undD unvollständig dominant überd. Auf Grund der gemachten Feststellungen werden die Genotypen für die einzelnen Phänotypen angegeben.
    Notes: Summary From three sets of crosses involving the phenotypes chocolate, red oxide, green with chocolate streaks and green with red oxide streaks, the action of the genes governing the phenotypes of the pods ofCajanus cajan (L.) Millsp. has been proposed. GeneL controls production of chocolate colour,L r an allelomorph ofL hitherto unreported, controls production of red oxide colour and geneD controls distribution of this colour. As regards inheritance of these two genes, the relationships betweenL andL r isL〉L r andD is incompletely dominant overd. The genotypes of the different phenotypes have been presented.
    Type of Medium: Electronic Resource
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  • 13
    ISSN: 1572-901X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary The kinetics of oxidation of some neutralized α-hydroxy acids such as lactic (LA), mandelic (MA), α-hydroxyisobutyric (IB) and benzilic (BA) acid by hexachloroiridate(IV) have been studied. The oxidation products are acetaldehyde, benzaldehyde, acetone and benzophenone for the respective reactions, which are first order with respect to each substrate and to iridium(IV). The reaction rate increases with increase in pH and salt concentrations. The temperature influence is quite marked in all these reactions. A mechanism involving the formation of an unstable complex, which decomposesvia a free radical pathway to give the respective reaction products, is proposed.
    Type of Medium: Electronic Resource
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  • 14
    Electronic Resource
    Electronic Resource
    Springer
    Transition metal chemistry 8 (1983), S. 362-365 
    ISSN: 1572-901X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary Schiff base complexes of trichloro(cyclopentadienyl)titanium(IV) having the general formulae CpTiCl3SB and CpTiCl(SB') (where SB=Schiff bases derived from thiocarbohydrazide and benzaldehyde,m-nitrobenzaldehyde,p-nitrobenzaldehyde, acetophenone,p-hydroxyacetophenone, anisaldehyde, cinnamaldehyde and vanilline; SB'H2=Schiff bases derived from thiocarbohydrazide and salicylaldehyde, oro-hydroxyacetophenone) have been synthesized by reaction of appropriate Schiff base with trichloro(cyclopentadienyl)-titanium in anhydrous dichloromethane. The complexes were characterized by elemental analysis, electrical conductance, magnetic measurements and spectral (electronic, i.r. and1H n.m.r.) studies. Proton n.m.r. spectra indicate that there is rapid rotation of the cyclopentadienyl ring around the metal-ring axis on the n.m.r. time scale at 25°C.
    Type of Medium: Electronic Resource
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  • 15
    ISSN: 1573-5028
    Keywords: Glycine max ; storage protein biosynthesis ; in vitro translation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The synthesis and processing of the major storage proteins in soybean cotyledons was studied both in vivo and in vitro. The α and α′ subunits of 7S as well as the 11S proteins are synthesized as higher molecular weight-precursors on membrane-bound polysomes. The initial translation products of the 7S are proteolytically cleaved during translation suggesting the removal of a ‘signal peptide’ as evidenced by the presence of 2α and 2α′ peptides immunoreactive with 7S antibody in the in vitro chain completion products of the membrane-bound polysomes. This is followed or accompanied by cotranslational glycosylation, which increases their size equivalent to that of initially-synthesized precursors. In vivo pulse-labelled 7S α and α′ products are of slightly higher molecular weights than the immunoprecipitable chain-completion products, indicating further post-translational modifications. A slow post-translational processing during a period of 1.5 to 16 h yields the final 7S α and α′ glycoproteins. Acidic and basic subunits of the 11S protein appear to be synthesized from common large molecular weight (60K-59K) precursors. Antibodies to the 11S acidic component recognize both acidic and basic domains in the precursor while those raised against basic subunits appear to be specific for that region only. The processing of the 11S precursor is also very slow and occurs post-translationally. This slow rate of processing, coupled with a temporal difference in the synthesis of 7S and 11S components, suggests a highly coordinated mechanism for synthesis and packaging of these proteins into protein bodies during seed development.
    Type of Medium: Electronic Resource
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  • 16
    ISSN: 1573-5028
    Keywords: oligodeoxynucleotide primers ; soybean trypsin inhibitor
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Oligodeoxynucleotides complementary to the deduced mRNA sequence of soybean Kunitz trypsin inhibitor (KTI) were used to prime the synthesis of cDNA from soybean cotyledon total poly(A) RNA. The primed cDNA was used to select clones from a Glycine max cotyledon cDNA library. Two out of twelve hybridizing clones were shown to contain KTI cDNA. The nucleotide sequence of one clone, pSTI 9-2, was determined and it was found to encompass the complete protein coding region of KTI excet for three C-terminal residues. Trypsin inhibitor is synthesized with a 25 amino acid hydrophobic N-terminal sequence presumed to be a signal peptide. The mature polypeptide encoded by pSTI 9-2 agrees with the published amino acid composition of KTI, but contains two discrepancies at the peptide sequence level.
    Type of Medium: Electronic Resource
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  • 17
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular histology 15 (1983), S. 373-387 
    ISSN: 1573-6865
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Rabbit antibody to calf adenosine deaminase (ADA) was used to localize this enzyme in tissues of the young rat and calf by the immunoperoxidase method. The distribution patterns of ADA in most tissues were similar for both species. Within the thymus gland, the enzyme was strongly expressed predominantly in cortical lymphocytes. In the spleen and lymph nodes, most lymphocyles of T-cell areas stained weakly for ADA, whereas only a small number of ADA-positive cells were found in B-cell areas. Clumps of strongly ADA-positive mononuclear blastoid and plasma cells were observed in the medullary regions of lymph nodes, around peri-arteriolar lymphocyte sheaths and in the red pulp of the spleen, and in the lamina propria of the intestine. Double immunofluorescence staining studies in the rat showed that some of these blastoid cells contained both ADA and immunoglobulins and appeared to be plasmablasts. Strong staining for ADA was also found, in both the rat and calf, in as yet unidentified mononuclear blastoid cells in the inter-stitium of non-lymphoid organs (kidney, heart, lung), in endothelial cells of some arterioles and capillaries, and in Kupffer cells of the liver. In addition, ADA was strongly expressed in calf bile canaliculi. These studies define areas in rat and calf tissues which contain ADA-positive cells and provide a model system for investigations of the relationship between ADA and the function and development of these cells.
    Type of Medium: Electronic Resource
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  • 18
    Electronic Resource
    Electronic Resource
    Springer
    Metrika 29 (1982), S. 175-188 
    ISSN: 1435-926X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Summary Koop [1967] proved that interpenetrating samples of unequal sizes are more efficient than those with equal sizes for estimating a finite population total. After observing that there is a serious lacuna present in his proof, a correct proof has been suggested. The optimum choice of individual sample sizes has also been discussed for a given (i) total sample size, (ii) cost and (iii) precision, with an assumed cost structure. Finally, the resulting estimators have been compared with those based on a single sample.
    Type of Medium: Electronic Resource
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  • 19
    Electronic Resource
    Electronic Resource
    Springer
    Metrika 28 (1981), S. 245-256 
    ISSN: 1435-926X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Summary Almost unbiased ratio and product type estimators have been obtained with the help of the Jack-Knifing technique for simple random sampling in two phases. The mean square errors of the resulting estimators have been compared with those of the corresponding usual (biased) estimators and it has been found that they are approximately same. This study generalizes similar single sampling results ofDurbin [1959],Shukla [1976] and others.
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  • 20
    Electronic Resource
    Electronic Resource
    Springer
    Mathematical geology 12 (1980), S. 247-265 
    ISSN: 1573-8868
    Keywords: weight frequency ; shape ; grain size ; computer application
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Mathematics
    Notes: Abstract When grains of a sediment sample are separated by sieving into a number of size classes, the weight of the grains belonging to a particular size-class is called the weight frequency of that class. That the weight frequencies cannot be used as simple frequencies for the calculation of the mean and standard deviation of size of grains is well known. A method is developed in this paper for estimating these two as well as a third parameter, named shape parameter, by minimizing a quadratic form that arises naturally as an analogue of the χ 2 statistic. Two fully worked out numerical examples, with simulated data, are presented to illustrate the method. A computer program in FORTRAN language is also appended. Comparative study shows that the quicker conventional method used by geologists may produce reasonably good estimates of standard deviation when the sample size is large, but the estimates of mean may show large deviations.
    Type of Medium: Electronic Resource
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