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  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of medicinal chemistry 26 (1983), S. 1056-1060 
    ISSN: 1520-4804
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 86 (1999), S. 4018-4022 
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Cross-section transmission electron microscopy has been applied to study the growth kinetics of oxide of WSi2 on (001)Si and polycrystalline silicon (poly Si) in the dry oxidation process. The linear activation energy and the parabolic activation energy of WSi2 on (001)Si were found to be 0.8±0.2 and 1.0±0.2 eV for samples dry oxidized at 800–890 °C for 10–60 min, respectively. On the other hand, the linear activation energy and parabolic activation energy of WSi2 on polycrystalline silicon for samples dry oxidized at 800–890 °C for 10–60 min were 1.0±0.2 and 1.8±0.2 eV. The linear activation energy is attributed to the diffusion of Si atoms from the substrate to the reaction interface. The different parabolic activation energies of 1.0 and 1.8 eV for WSi2 on (001)Si and poly Si, respectively, indicate significant difference in diffusion of O2 through grown SiO2. It is conceivable that stress generated during oxidation and the amount of fluorine atoms, introduced during the low pressure chemical vapor deposition process, present in the silicide layer and grown oxide, can influence the oxide quality and oxidation kinetics. © 1999 American Institute of Physics.
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  • 3
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 85 (1963), S. 1537-1538 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
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  • 4
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of organic chemistry 46 (1981), S. 5413-5414 
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
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  • 5
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 105 (1983), S. 7541-7543 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
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  • 6
    ISSN: 1365-2109
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: A 56-day growth trial was conducted to study the utilization of hydrolysed potato starch by juvenile Atlantic salmon Salmo salar L. using a restricted feeding regime. Two diets supplemented with either 15% or 30% hydrolysed potato starch and a control diet without carbohydrate supplementation were each fed to triplicate groups of salmon. Feeding rate varied from 1.4% to 2.0% of body weight per day, so that fish were fed similar amounts of protein and lipid. In spite of the restricted feeding used, no growth stimulation was measured as a consequence of the additional starch intake. No variation was found in protein utilization, measured as protein efficiency ratio values (PER), while feed utilization showed decreased values as starch intake increased. Plasma glucose concentrations did not vary as a consequence of increased starch intake when measured 24 h after feeding, indicating efficient regulation of plasma glucose. In fish fed the 30% starch, the plasma triacylglycerol concentration was significantly increased, which may point to de novo lipid synthesis from the high starch intake. No variation was found in plasma cholesterol or protein concentrations, or asparagine aminotransferase, alanine aminotransferase and lactate dehydrogenase activities. This shows that the fish health status and liver function were normal (no mortality was registered). Liver and muscle showed increased glycogen levels as a function of increased starch intake. The same diets were also fed to juvenile white sturgeon Acipencer transmontanus and hybrid tilapia Oreochromis niloticus×O. aureus. These results are presented separately.
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 49 (1996), S. 0 
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Growth and energy budget were measured for three sizes (2.4, 11.1 and 22.5 g) of juvenile white sturgeon Acipenser transmontanus held at 18.5° C and fed tubificid worms at different levels ranging from starvation to ad libitum. For each size-class, specific growth rate increased linearly with increasing ration, and conversion efficiency was highest at the maximum ration. Growth rate decreased with increasing fish size at the maximum ration, but increased with size at each restricted ration. Conversion efficiency increased with increasing ration for each size-class and was usually highest at the maximum ration. Faecal production accounted for 3.2–5.2% of food energy. The proportion of food energy lost in nitrogenous excretion decreased with increasing ration. With increases in ration, the allocation of metabolizable energy to metabolism decreased, while that to growth increased. Fish size had no significant effect on the allocation of metabolizable energy to metabolism or growth. At the maximum ration, on average 64.9% of metabolizable energy was spent on metabolism, and 35.1% on growth.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 54 (1989), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Cultured white sturgeon, 10–43 months old, were processed into dressed fish, fillets, and steaks. Edible portions from four age classes were analyzed for proximate composition. Round weight yields were: eviscerated, 85–96%; dressed, 53–65%; steaked, 61–74%; skin-on fillets, 54–61%; and skinless fillets, 32–50%. The proximate composition of the sturgeon averaged 77.3% moisture, 18.2% protein, 3.4% lipid, and 1.2% ash. Protein levels in 10–13-month-old fish were significantly lower than in 32–34- and 43-month-old sturgeon. Lipid levels in 10–13-month-old fish, and ash levels in 32–34-month-old sturgeon, were significantly higher than in other age classes.
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  • 9
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The effect of starvation-refeeding on protein mobilization in the lateral line, lateral (midway between lateral line and dorsum) and dorsal parts of white sturgeon (Acipenser transmonlanus) white epaxial muscle (type IIB) were compared by measuring muscle cross-sectional fibre areas. Effects on red (type I) and pink (type IIA) muscle were also studied. Fish starved throughout the experiment (5 weeks) showed a uniform response, i.e. the cross-sectional fibre area decreased at all sampled locations in the white muscle as well as in red and pink muscle. Fibre size in fish refed for 3 weeks after 2 weeks of fasting (S/F) was reduced mainly in the dorsal region of the white muscle. Starvation for 3 weeks after 2 weeks of initial feeding (F/S) also reduced fibre size mainly in the dorsal regions of the white muscle and in the pink muscle. The results indicate that in sturgeon exposed to short periods of low food availability, protein is utilized preferentially from trie more dorsal regions of the white epaxial muscle and from pink muscle. Protein in white muscle located closer to the lateral line and in red muscle seems to be spared. With the onset of refeeding, protein deposition occurred rapidly in pink muscle, but was delayed significantly in the dorsal part of the white muscle.
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  • 10
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 53 (1998), S. 0 
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The F4 generation of human growth hormone (hGH) transgenic red common carp Cyprinus carpio had significantly higher growth rates than the non-transgenic controls. Protein and energy intakes were significantly higher in the transgenic carp than in the controls fed the 20% protein diet, but were not different between the two strains fed diets with 30 and 40% protein. Faecal protein loss, as a proportion of protein intake, was significantly lower in the transgenics than in the controls fed diets with 20 and 30% protein, but was not different between the two strains fed diet with 40% protein. Faecal energy loss, as a proportion of energy intake, was significantly lower in the transgenics than in the controls fed diet with 20% protein, but was not different between the two strains fed diets with 30 and 40% protein. Recovered protein, as a proportion of protein intake, was significantly higher in the transgenics than in the controls fed all diets, whereas recovered energy was significantly higher in the transgenic fish fed the 40% protein diet. For fish fed each diet, the transgenics had significantly higher body contents of dry matter and protein, but lower contents of lipid than the controls. It was concluded that transgenics were more efficient in utilizing dietary protein than the controls. At a lower dietary protein level, transgenics achieved higher growth rates mainly by increasing feed intake; at higher levels of dietary protein, transgenics achieved higher growth rates mainly through a higher energy conversion efficiency.
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