本文旨在研究不同日粮条件下小羊驼对各种营养物质的代谢率，全面评价两种不同能量、蛋白梯度日粮的营养价值。
Metabolic rates of various nutrients at different conditions by alpacas were determined, in order to estimate nutritional values of two diets of different energy and protein contents.
研究了喹啉类添加剂和不同浓度梯度喹羟酮对肉鸡生产性能和蛋白质代谢的影响。
Effects of quinoxaline-type feed additives olaquindox, kuiqiangtong and kuixitong on performances and protein metabolism in broilers were studied.
本项研究采用梯度饲养试验、代谢试验和比较屠宰试验，结合营养化验和统计分析，对4 ~8周龄育成前期雉鸡的能量代谢参数及能量需要量进行了全面测定研究。
In the study the energy metabolic parameters and requirement for the 4 ~ 8 week old growing pheasants were studied by means of the gradient feeding test, metabolic test and comparative slaughter test.
主动吸收：亦称代谢吸收。指细胞直接利用能量做功，逆着电化学势梯度吸收离子的过程。
Active transport The use of energy to move a solute across a membrane against a concentration gradient, a potential gradient, or both (electrochemical potential) . Uphill transport.
目的：探讨测定口腔细菌终末代谢酸的反相梯度高效液相色谱法最佳分析条件。
Objective: the purpose of this study was to optimize the conditions of analyzing oral bacterial end products by using reversed_phase high performance liquid chromatography (RP_HPLC).
首次提出了针对高浓度有机质的活性污泥间歇浓度梯度驯化法，阐明了驯化过程中糖代谢速率和产氢能力的演变规律。
This is the first to our knowledge reported for the batch acclimation of sludge at high concentration of organic matter medium over 80g sucrose per liter.
首次提出了针对高浓度有机质的活性污泥间歇浓度梯度驯化法，阐明了驯化过程中糖代谢速率和产氢能力的演变规律。
This is the first to our knowledge reported for the batch acclimation of sludge at high concentration of organic matter medium over 80g sucrose per liter.
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