1)Nitrous acid亚硝酸
1.Measurement of nitrous acid and retrieval of aerosol parameters with differential optical absorption spectroscopy;利用差分吸收光谱法测量亚硝酸和反演气溶胶参数
2.The parameter optimization and definition of LMWH preparation technology by nitrous acid亚硝酸降解法制备低分子肝素(LMWH)的工艺参数优化与确定
3.The mechanisms of N-nitrosodimethylamine(NDMA)formation from dimethylamine(DMA)and nitrous acid have been investigated at the CCSD/6-311+G(d,p)//B3LYP/6-311+G(d,p)level of the theory.应用量子化学计算方法在CCSD/6-311+G(d,p)//B3LYP/6-311+G(d,p)水平上对二甲胺(DMA)与亚硝酸作用形成N,N-二甲基亚硝胺(NDMA)的反应机理进行了研究。
英文短句/例句
1.Instead of silver nitrite mercuric nitrite may be used.可以用亚硝酸汞来代替亚硝酸银。
2.Nitrite and Nitrate Denitrification Comparative Study亚硝酸盐反硝化与硝酸盐反硝化对比研究
3.Simultaneous Determination of Nitrate and Nitrite by the Nitrate Electrode;用硝酸根电极同时测定硝酸根和亚硝酸根
4.Nitrosophenols are formed very easily by the action of nitrous acid on phenols.以亚硝酸作用于酚,很易制得亚硝基酚。
5.Mild powder--Determination of nitrate and nitrite contents(Cadmium reduction and photometry method)GB/T5413.32-1997乳粉硝酸盐和亚硝酸盐的测定
6.The Manufacture of an Online Nitrite and Nitrate Measuring Instrument亚硝酸盐和硝酸盐在线监测仪的研制
7.To oxidize(an ammonia compound)into nitric acid, nitrous acid, or any nitrate or nitrite, especially by the action of nitrobacteria.硝化将(氨的化合物)氧化成硝酸、亚硝酸或任何硝酸或亚硝酸酯,尤指通过硝化细菌的作用
8.emission of nitrous oxide亚硝酸氧化物散失比率
9.nitrite ion standard solution亚硝酸盐离子标准液
10.spirit of ethyl-nitrite亚硝酸乙酯的酒精溶液
11.spirit of nitrous ether亚硝酸酯的酒精溶液
12.salt or ester of nitrous acid.亚硝酸形成的盐或酯。
13.Alkyl halides are reacted with sodium nitrite.卤化烷与亚硝酸钠反应。
14.cobaltic isoxantho salt亚硝酸根五氨合高钴盐
15.The conversion of nitrite is slowed down as contrasted to the conversion of ammonium ions to nitrite.与铵离子转变为亚硝酸相比,亚硝酸转变为硝酸是很缓慢的。
16.Microwave extraction technology of nitrate and nitrite from sauerkraut微波法提取酸菜中硝酸盐及亚硝酸盐工艺研究
17.Research on the Affecting Factors of Denitrifying Phosphorus Removal with Nitrite亚硝酸盐反硝化除磷工艺的影响因素
18.Factors Affecting Nitrite Accumulation in Nitrification Process硝化过程中影响亚硝酸盐积累的因素
相关短句/例句
nitrite[英]['naitrait][美]['na?tra?t]亚硝酸
1.Nitrite content variation and nitrite formation mechanics of the vegetables, respectively stored in different room- temperatures, low temperatures and natural fermentations, are studied in this paper.本研究以大白菜、甘蓝、白萝卜为试验材料,研究了室温、低温、腌制三种贮藏蔬菜中亚硝酸盐含量的变化及其形成的机理。
2.The stability and nitrite clearing function of rose flowers pigment were studied.研究了月季花色素的溶解性、稳定性及对亚硝酸盐清除作用。
3.The ultraviolet radiation and nitrite were used to treat parental pullulans strain 001 two times,and then a mutant strain GS228,which was pullulanase yield higher one time than 001 and pigment-free or reduced pigments,was obtained.采用紫外线和亚硝酸对出发菌株001进行诱变和筛选各2轮,获得变异菌株GS228,多糖产量提高了1倍,而且无色素产生或色素淡化。
3)nitrite[英]['naitrait][美]['na?tra?t]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
4)nitrite[英]['naitrait][美]['na?tra?t]亚硝酸根
1.Catalytic spectrophotometric determination of trace nitrite in water samples with 3,5-diBr-PADAT;用3,5-diBr-PADAT催化光度法测定水样中亚硝酸根
2.Decoloration Photometic Determination of Trace Nitrite by Fading of Methyl Red;甲基红褪色光度法测定微量亚硝酸根的研究
3.Spectrofluorimetric Determination of Nitrite with a Novel Fluorescence Probe 3-(4-Aminophenyl)indolizine-1-carboxymethyl;荧光试剂3-(4-氨基苯基)中氮茚-1-羧酸甲酯用于亚硝酸根测定
5)ammonia-oxidizing bacteria亚硝酸菌
6)nitrate[英]['na?tre?t][美]['na?tret]亚硝酸盐
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.Survey on Nitrate Content in Pot-stewed Food in Suizhou City in 20072007年随州市卤菜食品中亚硝酸盐含量调查
3.The contents of nitrate and nitrite in five kinds of Pickles and Sauerkrauts in Chaozhou were determined by the hydrochloric acid ethylene diamine colorimetric method and the ultraviolet spectrophotometric method.用盐酸萘乙二胺比色法和紫外分光光度法分别测定潮州5种酱腌菜在不同条件下的硝酸盐和亚硝酸盐的含量,回收率依次为98%~109%,96%~110%;RSD:0。
延伸阅读
亚硝酸 化学式HNO2。亚硝酸仅存在于稀的水溶液中,是一种弱酸,不稳定,易分解成NO2和NO,也能发生如下歧化反应: 3HNO2─→HNO3+2NO+H2O 在亚硝酸中氮原子的氧化数是+3,是一种中间氧化态,因此,亚硝酸既具有氧化性,又具有还原性,而氧化性比还原性更为突出。例如,它在水溶液中能将I-离子氧化为单质碘: 2HNO2+2I-+2H+─→I2+2NO+2H2O这个反应可用于分析测定。在多数的情况下,亚硝酸可还原成氧化氮NO,也可还原成氧化二氮N2O、氮、胲NH2OH或氨NH3。它被氧化时,即成为硝酸。 将二氧化氮和氧化氮的混合物溶解在接近零度的水中,即生成亚硝酸的水溶液: NO2+NO+H2O─→2HNO2在亚硝酸盐溶液中加入酸,也可得到亚硝酸的溶液: NaNO2+HCl─→HNO2+NaCl亚硝酸在工业上用于有机合成,使胺类转变成重氮化合物,从而制备偶氮染料。