Effect of tungsten on microstructure of as-cast TiAl alloy afterannealed and heat treated at 1265 ℃ for 18 h;
钨对TiAl合金1265℃,18 h热处理微观组织的影响
Transplanting scientific research achievement to chemistry innovation teaching experiment ——simultaneously determining contents of molybdenum and tungsten in mixture solution by spectrophotometry;
科研成果移植为化学创新教学实验——分光光度法同时测定混合物中钼、钨含量
Genetic neural network-spectrophotometric determination of tungsten,molybdenum and titanium;
遗传神经网络-分光光度法同时测定钨钼钛
Determination of Wolfram Content in Low Alloy Steel with ICP-AES Method;
ICP-AES测定低合金钢中钨的含量
Study on Color Reaction of Diiodophenylfluorone with Wolfram and Its Application in Steel Analysis;
二碘苯基荧光酮与钨的显色反应及其在钢铁分析中的应用
Determination of Wolfram by Catalytic Ac-Oscillopolarographic Analytical method;
钨的催化示波极谱法测定
sulphuric anhydride
三氧化硫, 硫(酸)酐
sulphurous anhydride [ oxide ]
二氧化硫, 亚硫酐
PREPARATION OF 4-HYDROXYPHTHALIC ANHYDRIDE BY AN ALKALI MELT PROCESS FROM 4-CHLOROPHTHALIC ANHYDRIDE;
4-氯代苯酐碱熔融法制备4-羟基苯酐
Chemical reagent-Acetic anhydride
GB/T677-1992化学试剂乙酸酐
polyvinyl methyl ethermaleic anhydride
聚乙烯甲基醚／马来酸酐
determination of hydroxyl value-acetic anhydride method
羟值的测定-乙酐法
ethoxylated sorbitan
羟乙基化山梨糖醇酐
sorbitan fatty acid ester
山梨糖醇酐脂肪酸酯
xylitan monostearate
木糖醇酐单硬脂酸酯
sorbitan monostearate
山梨醇酐单硬脂酸酯
production line and technology for manufacturing phthalic anhydride
苯酐生产技术及设备
chlorendic anhydride
氯菌酸酐（阻燃剂,固化剂）
automatic glucose/BUN/creatine & urine creatine analyzer
自动葡萄糖/血液尿素氮/肌酐及尿肌酐分析仪
Envisagement for Localization of Reactor Package in Large scale Phthalic Anhydride and cis Butenedioic Anhydride
浅谈大型苯酐顺酐装置反应器包国产化
Market Analysis of Maleic Anhydride both Home and Abroad as well as Suggestions to Develop China s Maleic Anhydride;
国内外顺酐市场分析及对我国顺酐发展的建议
Exothermic reaction can be reduced by adding hexahydrophthalic anhydride to the phthalic anhydride.
用六氢化邻苯二酸酐加入到邻苯二酸酐中，可使其放热反应减慢。
Suitable anhydrides for use in this process include phthalic, maleic, and succinic.
适用于本法的酸酐有苯二甲酸，马来酸及琥珀酸的酸酐。
Studies on the Synthesis and Properties of BiodegradablePoly (Amide-anhydrides) and Poly (ester-anhydrides);
可生物降解聚酰胺酸酐和聚酯酸酐的合成及性能研究