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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;
- 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 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 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;
- Ethyl tert butyl ether is synthesized from ethanol and tert butyl alcohol by reaction distillation. 以乙醇和叔丁醇为反应物,采用反应精馏法合成了乙基叔丁基醚。
- Acrylic acid and ester mainly is acrylic acid, methyl acrylate, ethyl acrylate, butyl acrylate, isobutyl acrylate, etc. 丙烯酸及酯主要是指丙烯酸、丙烯酸甲酯、乙酯、丁酯、异辛酯等。
- To introduce the ethyl group into(a compound). 使乙基化把乙基引入（一化合物）
- And its degradation sequence was: ethyl xanthogenate > isopropyl xanthogenate > butyl xanthogenate > isobutyl xanthogenate > amyl xanthogenate. 其降解顺序为：乙基黄药>异丙基黄药>正丁基黄药>异丁基黄药>正戊基黄药。
- The resulted IR Spectrum makes it possible to determine the reaction mechanism of ethyl acetoacetate with tetra butyl titanate. 得到的红外光谱使其决定钛酸四丁酯与乙酰乙酸乙酯的反应历程。
- The effects of ethyl acrylate, butyl acrylate and the kinds of POF coating technology, on loss and flexility, were discussed. 探讨了丙烯酸乙酯、丙烯酸丁酯对聚合物光纤损耗、柔韧性等性能的影响，以及各种涂覆工艺对聚合物光纤损耗的影响。
- By using ethyl cyanoacetate and nbutanol as raw materials, butyl cynoacetate was synthesized through interesterification. 以氰乙酸乙酯与正丁醇为原料,采用酯交换法合成氰乙酸正丁酯。
- That will be a total of eighty N T. 那总共八十台币。
- Ingredients: Water, Cetearyl alcohol, Cetranmmonium methosulphate, Lemon juice, Butyl, Ethyl, Methl and Propyl paraben, Sweet almond oil. 享受更多调制配方的乐趣，为您提供无香料的天然基底材料，为自己制造适合的保养品。
- Keesh watched the bear tha t whole day. 季奚那一整天都在旁边看着它。
- The conversion ratioes of chloroacetic acid in the syntheses of butyl chloroacetate and ethyl chloroacetate are 98. 8% and 83. 6% respectively. 合成氯乙酸乙酯时;其氯乙酸转化率为83.;6%25。
- 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。
