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- Any of several yellow pigments consisting of normal lead chromate and other lead compounds. 任何由常态的铬酸铅和其他铅化合物组成的黄色颜料。
- P tolyl phenyl acetate is synthesized with Benzeneacetic acid and p cresol under presence of 4 dimethylaminopyridine(DMAP) and dicyclohexylcarbodiimide(DCC) at room temperature. 苯乙酸和对甲酚在二环己基碳二酰亚胺(DCC)存在下,用4-二甲氨基吡啶(DMAP)作催化剂合成苯乙酸对甲苯酯,反应时间短,反应条件温和,后处理容易,产率
- P tolyl phenyl acetate is synthesized with Benzeneacetic acid and p cresol under presence of 4 dimethylaminopyridine(DMAP) and dicyclohexylcarbodiimide(DCC) at room temperature.The yield is 91 6%? 苯乙酸和对甲酚在二环己基碳二酰亚胺(DCC)存在下,用4-二甲氨基吡啶(DMAP)作催化剂合成苯乙酸对甲苯酯,反应时间短,反应条件温和,后处理容易,产率高
- And effects of raw materials size,reaction temperature,reaction time and nitric acid dosage on the output and lead chromate content of the product were discussed in detail in this paper. 本文着重研究了原料粒度、反应温度、反应时间和硝酸用量等因素对产品产量和铬酸铅含量的影响。
- Alternatives of Lead Chromate Color Pigment 铬酸铅彩色颜料的代用
- The Best Condition for the Precipitation of Lead Chromate 一种确定铬酸铅沉淀最佳实验条件的方法
- PREPARATION OF LEAD CHROMATE BY USING CHROMATE SLUDGE 利用铬渣制备铬酸铅的研究
- Keywords Lead Chromate photometric measurement Calcium stearate; 铅;铬酸盐光度法;硬脂酸钙;
- Keywords di p Cl benzoyl linesinine;arrhythmia;aconitine;ouabain;CaCl 2; 二对氯苯甲酰莲心碱;心律失常;乌头碱;哇巴因;氯化钙;
- Keywords di( p fluorobenzyl)tin dichloride;N;N (1;5 pentylene)dithiocarbamate;synthesis;crystal structure; 二(对氟苄基)二氯化锡;N;N-(1;5-亚戊基)氨荒酸酯;合成;晶体结构;
- I mind my p's and q's whenever I see him. 每当我见到他我都谨慎行事。
- In English, b, p, m and w are bilabials. 英语中的b、p、m、w为双唇音。
- Keywords Ethoxylation;Hydroformylation;Thermoregulated phase transfer catalysis;Mono and di p polyoxyethylene substituted triphenylphosphines; 单;双-对聚氧乙烯基三苯基膦;乙氧基化;氢甲酰化;温控相转移催化;
- Study on diffusion characteristics of lead chromate precipitation reactions in gel system 铬酸铅沉淀反应在凝胶中的扩散特征研究
- AB and CD intersect at (the point) P. AB线和CD线在P点相交。
- The time now is 10:00 p, m, sharp. 现在的时间是晚上10点整。
- "Lead chromate, PbCrO, a yellow pigment often combined with lead sulfate, PbSO, for lighter hues." 铬黄铬酸铅;PbCrO;一种通常与硫酸铅化合的黄色染料;PbSO;用于浅色颜料.
- P: Non le conosco e sono felice di poterle conoscere domani sera. 我不认识她们,很高兴明天晚上可以认识她们。
- Standard Test Methods for Analysis of Yellow, Orange, and Green Pigments Containing Lead Chromate and Chromium Oxide Green 含铬酸铅和氧化铬绿的黄、橙和绿色颜料的化学分析方法
- Melissa was conceived through DI 37 years ago. 37年前,梅利莎的母亲通过人工授精怀上了她。