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- ammonium and nitrogon 氨氮
- Ammonium carbonate decomposes to ammonium and bicarbonate. 碳酸铵进一步分解为铵离子和碳酸氢根离子。
- Ammonium and phosphate are important causes of the eutrophication of water. 氨氮和磷酸盐是水质富营养化的重要来源。
- Rhoads F M.A comparison of ammonium and nitrate nitrogen for cigar wrapper tobacco[J],Agron.J. 李智勇;刘思英;丁一;等.;氮肥种类和形态对烤烟生育及产质的影响[J]
- Seasonal variations of nitrogen in agricultural-irrigation inflowing rivers are small, characterized by low concentrations of ammonium and nitrate. 农业输入河流季节氮污染变化较小;以低硝酸盐、低铵盐含量为特征;其氮同位素组成较小;位于农业源范围之内(<+10‰)。
- By means of modification treatment, the itaconic acid was aminated to itaconic acid ammonium and then copolymerized with AN. 采用氨化改性的方法将衣康酸氨化为衣康酸铵,与丙烯腈进行共聚反应。
- Measurements of paniculate ammonium and gaseous ammonia in ambient air were studied by denuder difference and filter packs. 本文用扩散管差分法和多种叠层滤膜法测量大气中颗粒物铵盐和气态氨。
- It was suggested that the improved P uptake by mixture supply of both ammonium and nitrate were partially due to the stimulation of root growth. 因此,铵硝混合营养改善低磷胁迫下水稻对磷的吸收和转运,其部分原因与氮素形态与根系形态发生有关。
- In those days the country invests build Lhasa chemical plant, medicine of deepfry of main production ammonium and industry are vitriolic. 当年国家投资兴建了拉萨化工厂,主要生产铵油炸药和工业硫酸。
- I hit him fair and square on the jaw. 我不偏不倚打中他的下巴。
- It is a fact of life and you must face it. 这是严酷的现实,你必须面对它。
- She and I can't live under the same roof. 她和我不能住在一起。
- She had to scrimp and save to pay for her holiday. 她不得不为付假期的费用而苦苦攒钱。
- Calculus from kidney, ureter and bladder were qualitatively analyzed for the content of phosphate, urate, oxalate, carbonate, calcium, ammonium and cystine by chemical methods. 结果本组尿路结石样本中含钙结石最多,占80.;8%25,含磷酸盐结石次之,占67
- I'll try and rustle you up something to eat. 我设法给你弄点吃的。
- He sprang up and rushed to the door. 他跳起身,跑到门口。
- He took sick and died a week later. 他得了病,一周后就死去了。
- C. M. Starks, “Phase-transfer Catalysis. I. Heterogeneous Reaction Involving Anion Transfer by Quaternary Ammonium and Phosphonium Salts”, J. Am. Chem. Soc., 93(1), 195 (1971). 张咏钧;“氯化戊烷之相转移催化醋酸根取代以合成醋酸戊酯之研究”;国立中央大学化工硕士论文(1998).
- He's been in and out of prison for years. 他多年来屡次进出监狱。
- The air in the garden was warm and fragrant. 花园里的空气一片温馨。