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- bismuth cinnamate 肉桂酸铋
- Easily hydrolyze to produce basic bismuth nitrate. 易水解生产碱式硝酸铋。
- They were good catalyst for synthesis of n-butyl cinnamate. 它们是催化合成肉桂酸正丁酯的良好催化剂。
- Brass, copper, stainless steel, bismuth, and lead are all suitable. 黄铜、铜、不锈钢、铋及铅都是适合的。
- Our samples were prepared by thermal oxidizing bismuth films. 热氧化不够或低速率蒸发形成薄膜富铋,出现无定型或其它相结构,光学吸收限变宽,移向低能处。
- Bismuth is the first by Agricola clear it is a metal. 铋是由阿格里科拉首先明确它是一种金属的。
- Bismuth alloys can contain a small amount or a large amount of bismuth. 铋合金可以含有少量或较多的铋。
- Bismuth does lower the melting point and improves wetting but has limitations. 铋确实能够降低熔点,并提高熔湿特性,但是它也具有局限性。
- Generally, solder alloys with more than about 8% bismuth will be brittle. 一般来说,铋含量超过8%25的焊料合金将会变脆。
- Description:Bismuth subcarbonate is the the white powder,no smell or taste. 形状:碱式碳酸铋为无味无臭的白色粉末。
- Conclusion Bismuth potassium glycyrrhizate had antiulcer effect in rats. 结论甘草酸铋钾能有效地治疗胃溃疡。
- The common drugs APIs including the Calcium Folinate and Bismuth aluminate. 主要产品(原料药):亚叶酸钙、甲氨蝶呤、铝酸铋、异环磷酰胺、左亚叶酸钙、盐酸丙卡巴肼、美司那。
- Determination of bismuth content.Diethyldithiocarbamate spectrometric method. 英文名称: Copper and copper alloys.
- Amyl cinnamate was synthesized from cinnamic acid and amyl alcohol using tungstosilicic acid as catalyst. 以钨硅酸为催化剂,通过桂酸和戊醇酯化反应合成桂酸戊酯,研究了各有关因素对产品酯化率的影响。
- Then bismuth in lead anode mud was determined by EDTA complexometric titration. 王水溶样,氢溴酸除锡,直接用EDTA容量法测定铅阳极泥中高含量的铋。
- The main component was methoxy-ethyl cinnamate with content of 40.96%, next was ethyl cinnamate with content of 23.68%. 主要成分是对甲氧基肉桂酸乙酯,含量为40.;96%25;其次是肉桂酸乙酯,含量为23
- Ethyl cinnamate was prepared by one-pot method from 1,3,3,3-tetrachloropropylbenzene with 85.2% yield. 以1;3;3;3-四氯两基苯一锅煮方法制备肉桂酸乙酯;收率达到85.;2%25。
- Butyl cinnamate was synthesized from cinnamic acid and butyl alcohol using tungstosilicic acid as catalyst. 以钨硅杂多酸为催化剂,通过肉桂酸和正丁醇反应合成肉桂酸正丁酯。
- Results showed that the conversion of cinnamate acid were 95.5% and the performance of catalyst were stable. 结果表明,肉桂酸的转化率可达95.5%25,且催化剂的性能稳定。
- The main component was methoxy-ethyl cinnamate with content of 40.96%,next was ethyl cinnamate with content of 23.68%. 主要成分是对甲氧基肉桂酸乙酯;含量为40.;96%25;其次是肉桂酸乙酯;含量为23