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- Good results have been obtained for both polyether urethane and nitrate esters when using 2,6 di t butyl 4 methyl phenol(BHT) as stabilizer. 2 ,6-二叔丁基 - 4 -甲基酚 (BHT)对硝酸酯和聚氨酯粘结剂均具有良好的稳定作用。
- A hindered polyetherketone endcapped with p (t butyl)phenol was synthesized. 1H NMR technique was used to seek for the number average molecular weight of this new polymer. 以对叔丁基苯酚为封端剂,合成带烷端基的多苯基取代联苯型聚醚酮,测定其1H-NMR谱,根据链中芳环质子共振峰与链端基质子峰积分强度比求解分子量。
- In the second path, the regiospecific reaction characteristic of the chlorination of salicylic acid by t butyl hypochlorite was used.When t butyl hypochlorite is used as chloride in t... 次氯酸叔丁酯对水杨酸的氯代有很强的区域专一性反应特性,用其作为氯代剂合成硝苯柳胺收率为81%25,产品纯度979%25;
- tert-butylperoxy isopropyl carbonate 过氧化异丙基碳酸叔丁酯
- tert-butyl peroxy isopropyl carbonate 碳酸叔丁基过氧异丙酯
- Keywords bifunctional catalyst;zeolite;cuprous chloride;t butanol;carbon monoxide;carbonylation;t butyl acid; 双功能催化剂;沸石;氯化亚铜;叔丁醇;一氧化碳;羰基化;叔碳酸;
- Keywords Iodoethyl isopropyl carbonate;1-chloroethyl isopropyl carbonate synthesis; 碘乙基异丙基碳酸酯;1-氯乙基异丙基碳酸酯;合成;
- Keywords cefpodoxime proxetil;1 iodoethyl isopropyl carbonate;1 iodoethyl chloroformate;parameter design;factorial analysis; 头孢泊肟酯;1-碘乙基异丙基碳酸酯;1-氯乙基氯甲酸酯;1-氯乙基异丙基碳酸酯;参数设计;因子分析;
- Keywords chlorinating agent of rubber;t butyl hypochlorite;chlorinated polybutadiene; 橡胶氯化试剂;次氯酸叔丁酯;氯化顺丁橡胶;
- Keywords polyimide;hollow fiber membranes;methyl t butyl ether(MTBE);methanol;vapor permeation;pervaporation; 聚酰亚胺;中空纤维膜;甲基叔丁基醚;甲醇;蒸汽渗透;渗透汽化;
- 1-iodoethyl isopropyl carbonate 1-碘乙基异丙基碳酸酯
- t-butyl isopropyl carbonate 叔丁基碳酸异丙酯
- The annually production is10,000 t ultra calcium carbonate. 生产规模为年产1万吨超细纳米碳酸钙。经济效益:年销售收入5120万元,利润2440万元,投资回收期2年。
- That will be a total of eighty N T. 那总共八十台币。
- Keesh watched the bear tha t whole day. 季奚那一整天都在旁边看着它。
- Don’t scrawl all over the wall. 不要在墙上乱涂乱画。
- Remember to cross your t's when you're writing. 写字时别忘了在t 字母上画横线
- Don’t confound public affairs with private ones. 不要把公事与私事混为一谈。
- If you don’t like it, I’ll trade with you. 如果你不喜欢,我跟你换。
- He screeched that he didn’t do it. 他尖叫着说他没做那事。