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- The paper studied the esterification process between ricinus oil and phosphoric anhydride as well as influences to the reaction by making up prescription of materials and temperature. 研究了以蓖麻油与磷酐为原料、合成蓖麻油磷酐酯中的酯化反应过程,考察了原料配比、反应温度对酯化反应的影响。
- Rapid Determination of Active Phosphoric Anhydride in Diammonium Phosphate by Gravimetric Method 磷酸二铵中有效磷的重量法快速测定
- Keywords monoalkyl phosphate ester;phosphoric anhydride;lauryl alcohol;synthesis process; 单烷基磷酸酯;五氧化二磷;月桂醇;合成工艺;
- There are many phosphoric stones on the hill. 那座山上有很多含磷的石头。
- phosphoric anhydride 磷酸酐
- phosphoric anhydrid 磷(酸)酐; 三氧化硫
- Phosphorus Pentoxide, also called Phosphoric Acid Anhydride, is a white, spiculate crystal. 五氧化二磷又名磷酸酐，白色针状晶体。
- Fractions of the phosphor are easily lost. 部分磷光体容易丢失。
- A salt or an ester of phosphoric acid. 磷酸盐、磷酸脂磷酸的一种盐或脂
- Phosphor Bronze with tin plated or gold plated. 脚架:磷青铜电镀锡或是电镀金。
- Phosphoric acid: For use only to clean equipment. 磷酸：仅限于作为清洁设备之用。
- Is alkalescent phosphoric acid enzymatic what be? 碱性磷酸酶是什么？
- Is alkalescent phosphoric acid enzymatic be what? 碱性磷酸酶是啥啊？
- Transaminase of millet straw of cereal third transaminase is alkalescent anhydride of phosphoric acid enzymatic flesh is on the low side, what issue to show? 谷丙转氨酶谷草转氨酶碱性磷酸酶肌酐都是偏低,说明什么问题?
- Influence of pH on Yield of DPT Prepared Without Acetic Anhydride. 非醋酐法合成DPT与pH值的关系
- Subject to control the chemicals acetic anhydride, ephedrine etc. . 受管制化学品乙酸酐、麻黄碱等.
- Hexahydro-4-methylphthalic anhydride, mixture of cis an... 询价 六氢-4-甲基邻苯二甲酸酐；
- In cathode ray tube display, the continuation of light emission from phosphor after excitation by the electron beam. 在阴极射线管显示器中，用电子束激励后荧光物质光发射的持续现象。
- With triethylamine phosphoric acid/nickeloussulfate as catalyst,the N-phenyl malemide was prepared from aniline and maleic anhydride by two-step method. 以顺酐和苯胺为原料,采用三乙胺/磷酸/硫酸镍为催化剂,通过两步法制得N-苯基马来酰亚胺。
- The emission of light from a phosphor after removal of excitation. 余辉激振停止后的磷光物质所发出的光
