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  • Articles  (103)
  • 2020-2022  (56)
  • 1990-1994  (47)
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  • 11
    Electronic Resource
    Electronic Resource
    RFLP markers to identify the alleles on the Mla locus conferring powdery mildew resistance in barley (1992)
    Springer
    Theoretical and applied genetics 84 (1992), S. 330-338 
    Details
    ISSN: 1432-2242
    Keywords: RFLP marker ; Barley ; Powdery mildew ; Mla locus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary To identify the mildew resistance locus Mla in barley with molecular markers, closely linked genomic RFLP clones were selected with the help of near-isogenic lines having the ‘Pallas’ and ‘Siri’ background. Out of 22 polymorphic clones 3 were located around the Mla locus on chromosome 5 with a distance of 5.1 + 2.9 cM (MWG 1H068), 4.2±1.7 cM (MWG 1H060) and 0.7 ± 0.7 cM (MWG 1H036), respectively. The polymorphic clone MWG 1H036 displayed the same RFLP pattern in both ‘Pallas’ and ‘Siri’ near-isogenic lines and in different varieties digested with six restriction enzymes possessing the same mildew resistance gene. The alleles of the Mla locus were grouped in 11 classes according to their specific RFLP patterns; 3 of these groups contain the majority of Mla alleles already used in barley breeding programs in Europe.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00229491
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  • 12
    Electronic Resource
    Electronic Resource
    A review and integrating analysis of Spatially-Variable Control of crop production (1992)
    Springer
    Nutrient cycling in agroecosystems 33 (1992), S. 1-34 
    Details
    ISSN: 1573-0867
    Keywords: Automatic control ; fertilizer application ; geographic information systems ; sensors ; sitespecific ; spatially-variable ; variability
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract The variability of crops, soils, and pests within crop production fields has led to attempts to understand those variations and to manage crop production accordingly. The rapidly expanding research and development on the management and control of crop production according to in-field variations is reviewed. The various stages and components of this spatially-variable control are classified and presented along with a proposed terminology and notation. Advances in component technologies (sensors, actuators, locators, geostatistics, geographic information systems) and their integration should reduce crop production costs and be environmentally advantageous.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01058007
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  • 13
    Electronic Resource
    Electronic Resource
    Nucleation mechanism of the cubic σ phase in squeeze-cast aluminium matrix composites (1994)
    Springer
    Journal of materials science 29 (1994), S. 424-435 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract An Al-4.3 wt% Cu-2.0 wt% Mg alloy reinforced with 20 vol% reinforcing fibres was examined after a T7 heat treatment. The expected precipitate phase was equilibrium S′ (Al2CuMg), which was confirmed to form in the monolithic alloy. However when this Al-Cu-Mg alloy was squeeze-cast into a fibre preform and given an identical T7 heat treatment a number of other phases also nucleated; these included θ′ (Al2Cu), β′ (Mg2Si) and the cubic σ phase (Al5Cu6Mg2). These additional phases were determined to nucleate and grow rapidly during the water-quench following solution treatment. The existence of excess Si (approximately 0.5 wt%) in the matrix was determined to be responsible for nucleation of these additional phases. This extra Si entered the composite matrix during squeeze-casting through breakdown of an SiO2 layer which existed at the fibre interfaces. During quenching Si clusters rapidly form and provide nucleation sites for the σ and θ′ phases. The Si clusters apparently created a compressive strain in the matrix which attracted a high concentration of small Cu atoms to their interface. The σ phase nucleated in this high-Cu region since, on a localized scale, σ became the equilibrium phase. This type of nucleation process may also explain the enhanced precipitate nucleation which occasionally takes place in other alloy systems when trace amounts of certain elements are added.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01162502
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  • 14
    Electronic Resource
    Electronic Resource
    Pirarubicin (4′-o-tetrahydropyranil-adriamycin) for treatment of advanced breast cancer (1990)
    Springer
    Investigational new drugs 8 (1990), S. 207-210 
    Details
    ISSN: 1573-0646
    Keywords: pirarubicin ; anthracycline ; breast cancer ; phase II trial
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary In a phase II study, 77 patients with metastatic breast cancer were treated with pirarubicin, 70 mg/m2 iv every 3 weeks. Most of them had received prior hormonal (n = 39) and/or chemotherapeutic drug treatment for advanced disease, including anthracycline-containing regimens in 17. After a median of 5.5 treatment cycles (range 1–14), objective tumor response was seen in 22/71 (31%) evaluable patients (4CR, 18 PR). Stable disease occurred in 34 (48%) patients, whereas the tumor progressed in 15 (21%). Significant hematologic toxicity (WHO grade III–IV) requiring interval and/or dose adjustments was observed in 41 (58%) patients. Other treatment-related side effects were generally mild, and included alopecia in 52 (73%), nausea and/or emesis in 50 (70%), and stomatitis and diarrhea in 3 patients each. There was no treatment-related death, nor was there any evidence of cardiac toxicity thus far. In summary, the early results of this trial suggest that pirarubicin is an active and rather well tolerated drug in pretreated patients with advanced breast cancer.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00177262
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  • 15
    Electronic Resource
    Electronic Resource
    Impact of fruit on flexible beams to sense modulus of elasticity (1991)
    Springer
    Experimental mechanics 31 (1991), S. 118-121 
    Details
    ISSN: 1741-2765
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The increasing use of nonselective mechanical harvesters of fruit requires sorting the fruit on firmness. A model and computer program were developed based upon Hertzian impact theory which can predict the impact force function for a spherical fruit hitting a simply supported beam. The model was exercised to observe the effects of beam dimensions and fruit characteristics, including firmness, on the force function. Experimental work showed that measurements from a strain gage on the impacted beam can be used to determine the force function. The measured force function approximated the function predicted by the impact theory model. This work indicated that by the proper design of a sensing beam, fruit firmness may be sensed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02327562
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  • 16
    Electronic Resource
    Electronic Resource
    Determination of the antidepressant levoprotiline and its N-desmethyl metabolite in biological fluids by gas chromatography/mass spectrometry (1991)
    Chichester : Wiley-Blackwell
    Biological Mass Spectrometry 20 (1991), S. 709-716 
    Details
    ISSN: 1052-9306
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A specific and sensitive gas chromatographic/mass spectrometric method was developed and validated for the determination of the antidepressant levoprotiline in blood, plasma and urine and the simultaneous determination of levoprotiline and its desmethyl metabolite in urine. Deuterium-labelled analogues were used as internal standards. The compounds were isolated from the biological fluids by liquid-liquid extraction under basic conditions. Following derivatization with perfluoropropionic anhydride, the samples were analysed by capillary column gas chroma-tography/electron impact mass spectrometry with selected ion monitoring. The analysis of spiked samples demonstrated the high accuracy and precision of the method. Blood concentrations of levoprotiline down to 0.7 nmol I-1 (1 ml used for analysis) could be quantified with a coefficient of variation of 10% or less. The method is suitable for use in pharmacokinetic and bioavailability studies of levoprotiline in humans.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bms.1200201110
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  • 17
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    Sensitivity of Lake Sturgeon population dynamics and genetics to demographic parameters [Powerpoint Slide] (2021)
    In:  http://aquaticcommons.org/id/eprint/14801 | 403 | 2014-02-27 20:14:26 | 14801 | United States National Marine Fisheries Service
    Details
    Publication Date: 2021-06-25
    Description: Lake sturgeon Acipenser fulvescens restoration is a priority throughout the Great Lakes basin, where sturgeon have been reduced to less than 1% of historic levels due to habitat degradation, overharvest, and fragmentation of spawning populations. The population parameters mostimportant to long-term lake sturgeon persistence are unknown.
    Keywords: Ecology ; Fisheries
    Repository Name: AquaDocs
    Type: conference_item
    Format: application/pdf
    Format: application/pdf
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  • 18
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    Updated statewide abundance estimates for the Florida manatee (2021)
    Florida Fish and Wildlife Conservation Commission, Fish and Wildlife Research Institute | St. Petersburg, FL
    In:  http://aquaticcommons.org/id/eprint/26968 | 9413 | 2020-02-21 19:10:47 | 26968 | Florida Fish and Wildlife Conservation Commission
    Details
    Publication Date: 2021-07-24
    Description: Knowing how many manatees live in Florida is critical for conservation and management of this threatened species. Martin and others flew aerial surveys in 2011–2012 and estimated abundance in those years using advanced techniques that incorporated multiple data sources. We flew additional aerial surveys in 2015–2016 to count manatees and again applied advanced statistical techniques to estimate their abundance. We also made several methodological advances over the earlier work, including accounting for how sea state (water surface conditions) and synchronous surfacing behavior affect the availability of manatees to be detected and incorporating all parts of Florida in the area of inference. We estimate that the number of manatees in Florida in 2015–2016 was 8,810 (95% Bayesian credible interval 7,520–10,280), of which 4,810 (3,820–6,010) were on the west coast of Florida and 4,000 (3,240–4,910) were on the east coast. These estimates and associated uncertainty, in addition to being of immediate value to wildlife managers, are essential new data for incorporation into integrated population models and population viability analyses.
    Keywords: Conservation ; Florida ; manatees ; population ; abundance estimate
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 23
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  • 19
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    Structural evolution and skyrmionic phase diagram of the lacunar spinel GaMo4Se8 (2020)
    American Physical Society
    Details
    Publication Date: 2020-06-01
    Electronic ISSN: 2475-9953
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Published by American Physical Society
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  • 20
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    Plasma Filamentation in the Rijnhuizen Tokamak RTP (1994)
    American Physical Society
    Details
    Publication Date: 1994-07-11
    Print ISSN: 0031-9007
    Electronic ISSN: 1079-7114
    Topics: Physics
    Published by American Physical Society
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