This product can reduce the odor of animal excretion , ammonia and hydrogen sulphid , reduce contamination 减少排泄物之氮源，降低氨及硫化氢之臭味，改善环保。
Effects of nitrogen sources on callus induction from micro - cross sections of banana musa aaa cavendish subgroup cv . brazil 氮源对巴西香蕉薄片愈伤组织诱导的影响
Influences of nitrogen ratio and carbon sources on adventitious shoots regeneration of malus zumi leaves in vitro 氮源比例和不同碳源对珠美海棠离体叶片再生不定芽的影响
Yeast extract is made from yeast , used in microbiological culture media as a source of nitrogen and b vitamins 本品由酵母精制而成，用于配制微生物培养基，提供氮源和b族维生素。
Yeast extract is made from yeast , used in microbiological culture media as a source of nitrogen and b vitamins 性状本品由酵母精制而成，用于配制微生物培养基，提供氮源和b族维生素。
Used 15 nitrogen sources to select the fittest nitrogen source by solid culturate and liquid culturate 摘要选用15种常见氮源，应用固体和液体培养方法，筛选适宜番茄灰霉病菌生长的氮源营养物质。
Effects of different nitrogen sources on the growth nitrogen uptake and nitrate reductase activities of ectomycorrhizal fungus lactarius delicious 氮源对松乳菇生长及氮吸收和硝酸还原酶活性影响
The results of the experiments showed peptone was the best nitrogen source in solid culturate , the second was yeast extract 结果表明；在固体培养中，病菌对氮源的利用以蛋白胨为最好，其次为酵母膏。
This paper mainly studied on the effects of optimal carbon sources 、 nitrogen sources and c / n ratios on mycelia growth 本文初步探讨炭色离褶伞菌丝生长所需要的最适碳源、氮源以及不同碳氮比对菌丝生长的影响。
So it showed substrate inhibition in earlier part of fermentation took more effect that alcohol toxicity in latter part of fermentation 因此在发酵初期底物抑制作用比发酵后期酒精的毒性作用要大。氮源的添加有利于酒精的生产。
