Methods Wetnitration and flame atomic absorption spectrophotometry were employed. Results Plumbum and Cadmium were not detected.
方法采用湿法消化，火焰原子吸收分光光度法测定。
Other applications have been demonstrated, including concentrated sulphuric acid and nitrating acid mixtures.
其他应用也已经被证明，其中包括浓硫酸和硝酸混合物。
Orthogonal test on combined desulphurization and denitration by activated char
活性焦干法联合脱硫脱硝的正交实验
Synthesis and Further Scale Development of Nitrating Agent Dinitrogen Pentoxide
硝化剂五氧化二氮的合成与放大
Nitration of Heterocyclic Compounds Using Novel Nitrating Agent Dinitrogen Pentoxide
五氧化二氮硝化某些杂环化合物概述
Clean Nitrating Agent Dinitrogen Pentoxide and Its Application in Nitration
绿色硝化剂五氧化二氮及其在硝化反应中的应用
Calculation and Analysis of Denitration Technology with Hydrocarbons and Ammonia Serving as a Reducing Agent
对用烃类和氨为还原剂的脱硝技术的计算分析
A Study on the Aromatic Nitration
芳香烃硝化反应的研究
Research Progresses of Cleaner Catalysts Used in the Nitration of Aromatic Hydrocarbons
芳香烃清洁硝化催化剂
Nitration of some aromatic carboxylic acids and preparation of their lead salts
几种芳香酸的硝化及其铅盐的合成研究
The concept of single electron transfer is used as an example to elucidate the reaction mechanism of aromatic nitration.
文中还以实例用此理论解释了芳烃硝化反应机理。
Investigation on Nitration of Monosubstituted Benzene with Nitro gen Pentoxide
五氧化二氮对一元取代苯的硝化研究
Selectivity to nitrobenzene is very high in nitration of benzene.
苯硝化反应产物中无多硝基苯生成，硝基苯的选择性高。
The Experimental Research and Numerical Simulation of Ammonium Bicarbonate for Denitration Reductant.
碳酸氢铵作为脱硝还原剂的实验研究与数值模拟
Analysis of Application of Gel Membrane Filter in Bittern Denitration
戈尔薄膜液体过滤器在盐卤除硝中的应用分析
The Nutrient Compositiort of Wild Plant Nitratia tangutoum Bor.and Its Effect on Delaying Senescence
野生植物白刺果实的营养成分及其延缓衰老作用的研究
Structure and Mechanical Properties of Mulberry Silk Treated by Calcium Nitration Solution
蚕丝纤维经钙盐处理后的结构与性能
The efficiency of any automatic safety device should be checked before every nitration.
每种自动安全装置应在每次硝化前进行检验。
Investigation on Selective Nitration of Chlorobenzene with Dinitrogen Pentoxide
五氧化二氮对氯苯的选择性硝化研究
Complete nitration takes about 10 minutes at room temperature.
完全硝代需要大约10分钟在室温。
Some amines undergo direct nitration during nitrolysis.
某些胺在硝解时发生直接硝化。
In some more complex cases, secondary amines can be nitrated directly with nitrating mixtures.
在某些复杂的情况下，仲胺能用混合硝化剂直接硝化。
Nitration and Nitrosation Reactions of Ester Salicylate Coordinated by Metal Nitrates
金属硝酸盐配位的水杨酸酯硝基化、亚硝基化反应
More expensive nitrating agents may be used.
还可应用较贵得硝化剂。
Experimental and Theoretical Studies on Thermal Hazards of Toluene Nitrations
甲苯硝化反应热危险性的实验与理论研究
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