1.
Evaluation Method of Standard Gas Performance of Hydrogen in Nitrogen
氮中氢气体标准物质性能的评价方法
2.
Experiment Method of Preparing Hydrogen in Nitrogen Calibration Gases though Gravimetric
重量制备氮中氢气体标准物质的实验方法
3.
Mensuration of Nitrogen Content in Granular Agricultural Ammonium Bicarbonate
颗粒型农用碳酸氢铵中氮含量的测定
4.
" General rule of chemical analysis for hydrogen, oxygen, nitrogen, carbon and sulfur in metal's materials"
GB/T14265-1993金属材料中氢、氧、氮、碳和硫分析方法通则
5.
In proteins,atoms of nitrogen are combined with carbon, hydrogen and oxygen atoms.
在蛋自质中，氮原子与碳、氢、氧原子相化合。
6.
The Control of Nitrogen & Hydrogen Content in Nonquenched and Tempered Crankshaft Steel 48MnV-C
非调质曲轴钢48MnV-C钢中氢氮含量的控制
7.
Development of simultaneous analysis technique for oxygen,nitrogen and hydrogen in solid metals and alloys
固态金属及合金材料中氧、氮、氢联测技术进展
8.
Green Synthesis of 2,2'-dichlorohydrazobenzene in Aquous Medium
水介质中2,2’-二氯氢化偶氮苯的绿色合成
9.
Fisher carbonhydrogen-nitrogen analyzer
费希尔碳氢氮分析仪
10.
Synthesis of DHB by Catalytic Hydrogenation;
催化加氢法合成2，2’-二氯氢化偶氮苯
11.
It is the result of sunlight reacting with hydrocarbons and nitrogen oxides in the atmosphere.
它是阳光与大气中的碳化氢和氧化氮作用的结果。
12.
Effects of nitrogen or sulphide content and reaction pressure on coke deposited on hydrocracking catalyst
原料油中氮、硫体积分数及反应压力对加氢裂化催化剂积炭的影响
13.
Study on Nonmutagenic Amino Intermediates Containing 5, 10-Dihydrophenophosphazine Ring System and Their Derived Azo Dyes;
非诱变性5，10—二氢磷杂吖嗪系氨基中间体及其偶氮染料研究
14.
Aromatic Radical-Induced Aromatic 1,5-Hydrogen Transfer of Benzene-naphthaline System with Nitrogen as the Bridge Atom;
苯萘体系中氮为桥原子的芳香自由基诱导的分子内芳香1，5-氢转移
15.
Determination of micro strontium in barium octahydrate by spectrophotometry with arsenazo Ⅲ
偶氮胂Ⅲ分光光度法测定八水氢氧化钡中微量锶
16.
Photometric Determination of Trace Amounts of Vanadium by the Colour Reaction with 1-(2-Pyridylazo)-2-Naphthol and Hydrogen Peroxide
1-(2-吡啶偶氮)-2-萘酚-过氧化氢光度法测定土壤中痕量钒
17.
Asymmetric Hydrogenation of Unfunctionalized Alkenes Catalyzed by Ir-N,P-Ligand Catalysts
铱-氮膦配体催化剂在非官能化烯烃不对称氢化中的研究
18.
Research on Corrosion Inhibition of Benzotriazole on A3 Steel in NaHCO_3 Solution
碳酸氢钠溶液中苯并三氮唑对A3钢缓蚀作用的研究