1) defluorinating agent
脱氟剂
1.
A novel carbochlorination process was investigated for extracting rare earths from the tailings in Baogang concentrator taking AlCl_3 as defluorinating agent.
系统考察了反应时间、温度和脱氟剂对稀土提取率的影响。
2.
We also explored AlCl3 as defluorinating agent.
为有效地综合利用包钢选矿厂尾矿中的稀土,提出碳热氯化法提取包钢选矿厂尾矿中稀土的新工艺,考察反应时间和反应温度对尾矿中稀土提取率的影响,探索用加入脱氟剂AlCl3的方法提高稀土提取率的可能性。
3.
The results show that the optimal condition is 800℃ reaction for 2h,and the rare earth yield can be reached 98% with AlCl3 as defluorinating agent under optimal condition.
研究包头氟碳铈-独居石混合稀土精矿的碳热氯化反应,考察反应时间、反应温度和脱氟剂对稀土提取率的影响。
2) defluorination agent
脱氟剂
1.
A stepwise carbochlorination-oxidation process was developed for the rare earth extraction from mixed bastnaesitemonazite concentrate using carbon as reductant, chlorine gas as chlorination agent, SiCl4 gas as defluorination agent, and O2+H2O mixed gas as oxidant.
在脱氟剂SiCl4作用下,随着反应温度由500℃增至800℃,氟碳铈-独居石混合精矿稀土氯化率由92%增至99%,而无SiCl4时同样温度范围内,稀土氯化率为56%～88%,500℃氯化反应2h时主要产物为稀土氯化物、氯化钙;当氯化反应温度小于500℃时,与原料比钍的氯化产物挥发量小于1。
2.
A carbochlorination process of bastnaesite concentrate was investigated by using activated carbon powder as reductant,Cl_2 as chlorination agent and SiCl_4 as defluorination agent.
以活性炭为还原剂、Cl_2为氯化剂、SiCl_4为脱氟剂,研究氟碳铈矿的碳热氯化反应动力学。
3.
Carbochlorination reaction mechanism was investigated for extraction of rare earths from mixed bastnaesite-monazite concentrate with AlCl3 as defluorination agent.
研究了氟碳铈矿-独居石混合精矿经AlCl3脱氟和加碳氯化反应提取稀土的工艺及反应机理,考察了反应时间、温度和脱氟剂对稀土提取率的影响。
3) fluorine-containing demoulding agent
含氟脱模剂
1.
4 Surfactants of fluorine-containing carboxylate salt, phosphate salt, sulfonate salt and polyglycol ether from fluorocarbon polymer are synthesized, which are compounded to get a fluorine-containing demoulding agent, demoulding performance and application study on ethylene-based materials are made.
以氟碳聚合物为主要原料,经亲核取代反应,合成了含氟羧酸盐、磷酸盐、磺酸盐和聚乙二醇醚4种含氟表面活性剂;经复配得到含氟脱模剂,并进行了聚乙烯类基材的脱模性能和应用研究。
4) compound defluorinating agent
复合脱氟剂
1.
Study on compound defluorinating agent of MOP (MOS)/calcium carbonate in production of feedgrade phosphate by hydrochloric acid process;
盐酸法饲料磷酸盐生产中应用氯化钾(氯化钠)、碳酸钙复合脱氟剂的研究
5) defluoridation material adsorption model
脱氟剂吸附模式
6) defluorination
脱氟
1.
Study on condition of defluorination in wet-process phosphoric acid production with precipitation method;
湿法磷酸化学沉淀法脱氟的研究
2.
Progress of Chemical Disposal Defluorination of Wet-Process Phosphoric Acid;
湿法磷酸化学法脱氟的研究进展
3.
Research on Single-step Defluorination in Wet-process Phosphoric Acid Production with Adsorption Precipitation Method;
湿法磷酸生产中吸附沉淀法一步脱氟净化的研究
补充资料：多巴脱羧酶抑制剂
分子式：
CAS号：
性质：能够抑制多巴脱羧酶活性的一类化学物质，如在曲霉和链霉菌发酵液中发现的一类异黄酮，能够非特异性地抑制多巴脱羧酶活性，对自发性高血压的大鼠有降压作用，活性大小与α-甲基多巴胺相当。
CAS号：
性质：能够抑制多巴脱羧酶活性的一类化学物质，如在曲霉和链霉菌发酵液中发现的一类异黄酮，能够非特异性地抑制多巴脱羧酶活性，对自发性高血压的大鼠有降压作用，活性大小与α-甲基多巴胺相当。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条