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- The range of organic nitrogen forms was nonhydrolysable N>amino acid N>ammonium N> hydrolysable unidentified N>amino sugar N under fertilization conditions. 不同施肥处理有机氮各组分含量随著土层的加深而下降,与有机质的变化规律一致;
- 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。
- N-benzoyl-L-tyrosyl-P-aminobenzoic acid N 苯甲酰(基)-L-酪氨酰(基)-对-氨基苯甲酸
- He gave me a taste of his acid wit. 他让我尝到了他敏锐尖刻之机智的滋味。
- Acid irritates the stomach lining. 酸能刺激胃黏膜。
- acetylanthranilic acid N- 乙酰邻氨基苯酸
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- acetylanthranilic acid 乙酰邻氨基苯酸
- I am doing an experiment of neutralizing acid. 我在做一个中和酸的实验。
- Can Jones beat Smith? That's the acid test. 琼斯能击败史密斯吗?那是个严峻的考验。
- A salt or an ester of boric acid. 硼酸盐一种硼酸盐或硼酸酯
- She dropped acid in high school. 她高中时代服迷幻药。
- The metal is fretted with the acid. 金属被酸腐蚀。
- The chemical can behave as an acid. 这种化学制品能起酸的作用。
- The acid has eaten through the metal cover. 酸已把金属盖子蚀穿了。
- The worker's overalls were badly burned by acid. 这位工人的工作装被酸腐蚀得很厉害。
- An acid can react with a base to form a salt. 酸可以和碱起反应而生成盐。
- This substance must be treated with acid. 这材料得用酸来处理。
- The acid burnt a hole in the carpet. 酸把地毯烧了个洞。
- Carbolic acid can be used to make antiseptic. 石炭酸可用来做防腐剂。