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- fluoro trichloromethane 氟利昂11
- SHANGHAI SHANGHUA FLUORO MATERIAL CO,. LTD. 上海上化氟材料有限公司。
- The influence of fluoro monomer amo... 讨论了乳胶膜的吸水率的影响因素。
- AIM The purpose is to synthesize 6 fluoro L DOPA (FDOPA). 目的 :合成 6 氟 L多巴 (FDOPA)。
- The progress of research on the fluoro aromatics is reviewed. 论述了芳香氟化物的研究进展。
- Fluoro rubber seals require special handling, see under "Safety precautions". 氟橡胶密封件使用上有特殊要求,请参见“安全措施”一节。
- Also it can be connected with DSA,RF,Fluoro Cart and other modalities. 也可连接DSA,RF,C形臂等主机。
- The polymerization of butyl methacrylate initiated by trichloromethane and tetra-chloromethane were also discussed respectively. 同时还分别对以三氯甲烷、四氯化碳为引发剂时甲基丙烯酸丁酯的聚合反应进行了讨论。
- In the case of trichloromethane, zero-valent iron alone had efficient dechlorination capability. 对三氯甲烷,仅用零价铁即可达到近80%25的脱氯效率。
- The results showed that the compound could improve the scorch safety, the compression set and the tensile strength of fluoro rubber compound. 结果发现:一羟基或羧基化合物能提高氟橡胶混炼胶的防焦烧性,并对压缩永久变形和拉伸强度等有一定的改善。
- The practical technique was provided for the radiochemical synthesis and entiomeric purity of 6 [ 18 F ]fluoro L DOPA. 为 6 [1 8F] L 多巴的放射化学合成及其对映纯度的测定提供了可靠的技术
- The application of monohydroxy or carboxy group compound to fluoro rubber were analyzed. 对一羟基或羧基化合物在氟橡胶胶料中的应用进行了研究。
- Methods Omit and alter some work procedure including distillation,store reagent that show color,either the order of reagent procedure or recycle of the waste trichloromethane. 方法有条件的简化蒸馏步骤、显色剂储存使用、改变显色剂与氯仿的加入顺序、氯仿废液回收循环使用。
- Fluoro blowing agents include HCFC, HFC, perfluoroparaffin (PFA) and fluoroether (HFE) four races. 含氟发泡剂有HCFC、HFC、全氟烷烃(PFA)、氟代醚(HFE)四类。
- Solubility in trichloromethane、tetrachloromethane and carbon sulfide of the chemically modified SWNTs enhanced in comparison with the control(without modification). 经过该方法修饰的碳纳米管在三氯甲烷、四氯化碳和二硫化碳等有机溶剂中有较好的溶解性。
- Nano-porous fluoro polymer fiber mats with PVP K30 used as porogen has highest tensile strength. 以PVP K30为致孔剂所得含氟聚合物纳米多孔纳米纤维膜的拉伸强度最高。
- Using acetone adds the water withdraws the atrazine in the soil, than extract with trichloromethane, after concentrated and settle to permit, use the capillary gas chromatography. 采用丙酮加水提取土壤中的阿特拉津,再用三氯甲烷萃取,经浓缩、定容后,用毛细管气相色谱法测定。
- The results show that fluoro rubber is basic and RDX is acidic.Fluoro rubber and RDX have acid-base action. 结果表明:四种氟橡胶为碱性物质,黑索今为酸性物质,四种氟橡胶与黑索今之间可形成酸碱相互作用。
- Abstract: The main sources of uncertainty of measurement for determination of trichloromethane in drinking water by headspace capillary GC were discussed in this paper. 摘 要: 本文讨论毛细管顶空气相色谱法测定饮用水中三氯甲烷浓度测量不确定度的主要来源,并对各不确定度分量和测量结果的不确定度进行评定。
- Guide can be used PTFE package. Fluoro rubber seals can be used, anti-corrosion type. 导杆可以采用包四氟.;密封圈可以采用氟橡胶;防腐型