1) nitrates
[英]['naitreit] [美]['naɪtret]
硝酸盐
1.
Multi phase PSZ micro_powders were prepared by low temperature combustion synthesis (LCS) method, with which nitrates were used as oxidizers while urea as fuels.
用水合硝酸盐作氧化剂、以尿素为燃料 ,根据推进化学计算原料的配比 ,进行了复相PSZ超细陶瓷粉的低温燃烧合成 。
2.
The regioselective nitration of toluene and chlorobenzene with nitrates and supported nitrates on solid acid catalysts and supports in the presence of acetic anhydride is studied.
该文讨论了应用固体酸催化剂和载体，在醋酐存在下，采用硝酸盐和载体硝酸盐硝化甲苯和氯苯的选择性。
3.
With the method of competitive nitration,reactivity of aseries monosubstituted benzene compared to benzene can be obtained,and the Hammett equation for the nitration with metallic nitrates inthe presence of acetic anhydride can be established with the reactionconstant ρ=-6.
利用竞争硝化法可以求得一系列单取代苯相对于苯的反应活性,据此就能建立金属硝酸盐—醋酐硝化反应的Hammett方程,求得该反应的反应常数ρ=-6。
2) nitrite
[英]['naitrait] [美]['naɪtraɪt]
硝酸盐
1.
Study on extraction of nitrite and nitrate in vegetable by solvention;
溶剂法提取蔬菜中硝酸盐、亚硝酸盐
2.
The Examination and Significance of Nitrite in the Pure Water in the Automatic Magnetization Electrothermal Drink Machine;
自动磁化电热饮水机桶装纯净水中亚硝酸盐的检测及其意义
3.
Content of Nitrate,Nitrite,Vitamin C,Organic acid and total Sugar of Zingiber officinale in Plastic Greenhouse;
大棚生姜V_C·硝酸盐·亚硝酸盐·总糖·有机酸含量测定
3) Nitrate accumulation
硝酸盐
1.
Research situation of nitrate accumulation in vegetable and its developing trend;
我国蔬菜硝酸盐积累研究现状调查及发展趋势——基于文献计量学的统计分析
2.
Field experiments were carried out to study the effect of nitrogen amount on yield and nitrate accumulation in peppers.
在施等量有机肥的前提下,随着施氮量的增加,辣椒营养生长旺盛,株高株幅增加;辣椒产量在一定范围的施氮量内逐步增加,超过一定施氮量反而下降;随着施氮量的增加,辣椒果实和叶片的硝酸盐含量均随之上升,其中以叶片中积累量最高,其次是果皮,果肉中硝酸盐的含量最低;各处理对辣椒亚硝酸盐的积累没有影响。
3.
The research project make use of field experiment and plant test strip-reflect meter to discover the effects of different drip irrigation and nitrogen fertilizers on potato nitrate accumulation.
通过田间试验,采用植株反射仪来探讨了不同滴灌量和施氮量对马铃薯硝酸盐累积影响,试验结果表明:在滴灌条件下,在马铃薯现蕾期和块茎膨大期,随着滴灌量的增加,马铃薯叶柄硝酸盐有降低的趋势,但随着施氮量的增加,马铃薯叶柄硝酸盐也随着增加。
4) Nitrite/nitrate
硝酸盐/亚硝酸盐
5) nitrite
[英]['naitrait] [美]['naɪtraɪt]
亚硝酸盐
1.
Detection and Control the Nitrite in Meat Products;
肉制品中亚硝酸盐的检测和控制
2.
Research of a test paper for quick checking of nitrite adulterated in milk;
牛乳中亚硝酸盐快速检测试纸的研制
3.
Main Influencing Factors of Nitrite Content in the Processing Production of Preserved Szechuan Pickle and Their Optimizations;
榨菜生产加工中亚硝酸盐含量的主要影响因子及其优化
6) nitrate
[英]['naɪtreɪt] [美]['naɪtret]
硝酸盐氮
1.
Fast Testing of nitrate Content in water with Spectrophotometry;
分光光度法快速测定嘉陵江水体中硝酸盐氮
2.
Improvement on tolerance of Spirodela polyrrhiza to ammonia at presence of nitrate;
硝酸盐氮对紫背浮萍氨耐受能力的影响(英文)
补充资料：硝酸盐
硝酸的盐类，含有硝酸根NO婣,为离子型化合物。大多数的硝酸盐是无色的，几乎所有的硝酸盐均易溶于水。硝酸盐在常温下一般都很稳定，在高温下由于发生分解而表现出强氧化性。其热分解有三种情况：①碱金属和碱土金属硝酸盐分解为亚硝酸盐和氧；②电位序在铜以后的金属的硝酸盐分解为金属单质、二氧化氮和氧；③其余大部分金属的硝酸盐分解为金属的氧化物、二氧化氮和氧。硝酸盐热分解时，遇有机物就会燃烧甚至爆炸。硝酸盐通常由硝酸作用于相应的金属或金属氧化物而制得。硝酸盐所含氮易被植物吸收，因此大量用作肥料。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条