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- Results obtained strongly suggested that the mineralized N was mainly from the hydrolyzable N, particularly the amino acid N and ammonia N, the latter two being the major sources for its production. 这些结果说明,可矿化氮主要来自酸解氮,特别是氨基酸态氮和铵态氮,后两者是其产生的主要来源。
- The variety of Baici with low N efficiency had a decreased root biomass compared to other genotypes under N stress condition in the two light intensity. 在不同光照水平低氮胁迫时,氮低效品种白瓷与其它三个品种相比,根系的形态指标均有不同程度的降低。
- Stress can be the undoing of so many fine players. 紧张可能是这许多优秀选手失败的原因。
- Ammonia is a chemical substance. 氨是种化学物质。
- Ammonia is a colorless gas with strong smell. 氨是无色并有强烈气味的气体。
- In the word "mother" the stress is on the first syllable. 在"mother"这一字里,重音在第一个音节上。,在"mother"这一字里,重音在第一个音节上。
- He reverted to smoking when under stress. 他因受到压力又恢复了吸烟的习惯。
- We led a hard life in times of stress. 在困难时期我们过着艰苦的生活。
- The cure for stress lies in learning to relax. 消除紧张的方法在于学会放松。
- The detective laid great stress on details. 侦探特别强调细节。
- High winds put great stress on the structure. 大风作用于该建筑物上而产生巨大的应力。
- Lay heavy stress on law and order. 主要重点放在法律和秩序上。
- ammonia nn. 氨氮
- In some ways, an hydrous ammonia is just as Safe to handle as gasoline. 在某种程度上,无水氨使用起来和汽油一样安全。
- In "under", the main stress is on "un". 在“under”这个词中,重读音节在“un”上。
- He fought in the N African campaign during the last war. 在上次战争中他在北非战役参战。
- They lay too much stress on money. 他们太看重金钱了。
- Tests of the manure showed a high ammonia content. 这种肥料经过化验表明氨的含量很高。
- She lay great stress on proper behavior. 她很强调行为端正。
- and 4) from 26th day to 30th day (the end time of the experiment), the metabolic rate decreased most dramatically. There were only three phases during the course of CO 2 production and ammonia N excretion reduction. 耗氧率和CO2 排出率、NH3 N排泄率的变化差别较大 ;耗氧率的减小可分为 4个阶段 ;而CO2 排出率和NH3 N排泄率的减小仅可分 3个阶段 .