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- Bismuth Trifluoride 三氟化铋
- Easily hydrolyze to produce basic bismuth nitrate. 易水解生产碱式硝酸铋。
- 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。
- Acetylacetone was synthesized by using boron trifluoride etherate as catalyst. 采用三氟化硼-乙醚络合物为催化剂,由丙酮和乙酸酐一步法反应合成乙酰丙酮。
- The emissions will escalate as nitrogen trifluoride's use increases. 随着使用量增加,三氟化氮的排放量也将升级。
- 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.
- 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。
- Nitrogen trifluoride (NF3) is a toxic, colorless, odorless, nonflammable, oxidizing compressed gas. 三氟化氮(NF3)是有毒、无色、无嗅、不可燃的氧化性压缩气体。
- Prather says we should now be following nitrogen trifluoride concentrations in the atmosphere closely. 普莱瑟说我们现在应当密切关注大气中的三氟化氮含量。
- Some companies are solving the problem by adopting alternatives to nitrogen trifluoride. 一些公司选择了接受三氟化氮的替代品来解决这个问题。
- He found that about 563 metric tons of nitrogen trifluoride was emitted in 2006. 他发现2006年中有大约563公吨的三氟化氮被排放。
- Air Products claims that worldwide production of nitrogen trifluoride has reached 7,300 metric tons. 空气化工产品公司宣称全球的三氟化氮产量已经达到7300公吨。