以“垦农4号”为材料，利用锰浸种和初花期叶面喷施，在小区试验的条件下研究了锰对大豆根系伤流量、伤流液中硝态氮和氨基酸含量调控的效应。
The influence of bleeding sap and Nitrate-nitrogen, Amino acid in root sap of K4 which grown in the zone is researched in seed treatments and initial bloom stage after spraying on leaf with EDTA-Mn.
方法在硝吡咯假单胞菌中引入氨基糖苷类抗生素抗性突变，以提高硝吡咯菌素的生产能力。
Method Introducing aminoglycoside antibiotic resistant mutation into a pyrrolnitrin producer to increase pyrrolnitrin productivity.
本方法提高了脱硝效率，提高了生物质及氨基还原剂的利用率，减少二次污染物生成和排放。
The method enhances the denitration efficiency, improves the utilization rate of the biomass and the amino reducer, and reduces the generation and emission of secondary contaminants.
结论硝硫氰胺的氨基酸衍生物的钠盐水溶性良好。
CONCLUSIONS The derivatives of nithiocyanmine (their sodium salts) with glycine and alanine had good solubility in water.
目的 建立血、尿中硝西泮的代谢物 7-氨基硝西泮GC-ECD检测方法。
OBJECTIVE To determine the contents of 7-aminonitrazepam, the metabolite of nitrazepam in plasma and urine by GC-ECD.
目的 建立血、尿中硝西泮的代谢物 7-氨基硝西泮GC-ECD检测方法。
OBJECTIVE To determine the contents of 7-aminonitrazepam, the metabolite of nitrazepam in plasma and urine by GC-ECD.
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