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- thallium trifluoride 三氟化铊
- Vegetation prospecting for thallium includes plant indication and plant ore. 铊的植物找矿包括植物指示和植物矿石。
- 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。
- Please send a fax number so I could get you a data sheet on thallium poisoning. 请把传真号码给我,我就可以把铊毒的有关数据发给你们。
- 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。
- It is speculated that the sediment core is not polluted by thallium at present. 由此推测,该处沉积物当前未受到明显的铊污染。
- The distribution of thallium in leaf and seed of rice(Oryza sativa L. 研究重金属铊在水稻叶和种子中累积分布以及铊对其它元素吸收积累的影响。
- Some plants with high contents of thallium are effective indicator plants. 一些植物中铊含量非常高,可以作为寻找铊矿的有效指示植物。
- 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。
- In ths research, vitro tests of cytotoxicological method was used to evaluate mutagenicity of thallium. 作者用体外实验方法研究了铊的细胞诱变作用。
- Luminous characters of thallium iodide used as luminous material in metal halid... 文章用图表介绍了碘化铊用作金属卤化物灯发光材料时的发光特性。
- Diagnostic criteria and principles of management of occupatioanl acute thallium poisoning. 职业性急性铊中毒诊断标准及处理原则.
- The method employs deriva-tization of the acids to their esters using boron trifluoride -methanol,seperated by 5%DEGS +1%H 3 PO 4 column. 样品采用三氟化硼-甲醇溶液酯化;用质量分数为5%25DEGS+质量分数为1%25H3PO4高效色谱柱分离。 结果:EPA、DHA的回收率分别为96.;2%25±3%25和95
- One chemical substance which the boron trifluoride nitrogen is produces liquid crystal monitor, semiconductor and when solar cell board uses. 三氟化氮是生产液晶电视显示器、半导体和太阳能电池板时所使用的一种化学物质。
- A review on the recent development of determination of thallium by AAS was presented. 对近年来用原子吸收光谱法测定铊进行了总结评述。
- Like Thallium SPECT, the PET scan has been very useful in differentiating tumor recurrence and radiation necrosis. 同铊标记SPECT一样,PET扫描对于区分肿瘤复发和放射性坏死十分有效。