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- ethyl toluene 乙基甲苯
- Methods of qualitative and quantitative analysis for benzene,toluene,ethyl benzene,dimethyl benzene in blood and urine. 血、尿中的苯、甲苯、乙苯、二甲苯的定性及定量分析方法.
- In toluene,the enantio-selective rate E for CRL-catalyzed interesterification of(R,S)-2-octanol with ethyl chloroacetate is fairly high(E=92.2). 在甲苯中;CRL催化氯乙酸乙酯与(R;S)-2-辛醇酯交换反应的对映体选择率E颇高(E=92.;2);
- Ethyl cellulose was synthesized successfully in one-step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent. 摘要采用纤维素与过量的氯乙烷及氢氧化钠反应,以甲苯为稀释剂,用一步法成功地合成了乙基纤维素。
- Toluene is allergic. With what medicine good? 甲苯过敏了.;用什么药好?
- The graft copolymer CR-g-BMA was prepared on CR initiated by BPO,with BMA as graft monomer,toluene and ethyl acetate as solvents. 以甲基丙烯酸丁酯(BMA)为接枝单体,甲苯、乙酸乙酯为溶剂,过氧化苯甲酰(BPO)为引发剂,在氯丁橡胶(CR)上进行接枝共聚。
- The graft copolymer CR/AA was prepared on CR initiated by BPO,with AA as graft monomer,toluene and ethyl acetate as solvent. 以丙烯酸(AA)为接枝单体;甲苯、乙酸乙酯为溶剂;BPO为引发剂;在氯丁橡胶(CR)上进行接枝共聚;制备出CR/AA二元接枝共聚物(CR-g-AA)胶粘剂.
- To introduce the ethyl group into(a compound). 使乙基化把乙基引入(一化合物)
- Abstract: The synthesis of ethyl cellulose was studied by one-step method, with toluene as diluent and orthogonal test was adopted. 摘 要: 采用正交实验的方法,以甲苯为稀释剂,探讨了乙基纤维素一步法合成的工艺条件。
- Ethyl cellulose was synthesized successfully in one step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent. 采用纤维素与过量的氯乙烷及氢氧化钠反应,以甲苯为稀释剂,用一步法成功地合成了乙基纤维素。
- The characteristics of using activated carbon fiber to absorb and recover toluene and methyl ethyl ketone tail gas from the solvent dewaxing and deoiling unit were described. 介绍了活性炭纤维的产品性能,阐述了活性炭纤维在酮苯脱蜡装置甲苯与甲乙酮尾气吸附回收的工艺特点。
- Thermometers are filled with fluids such as toluene or alcohol. 温度计装有甲苯或酒精。
- The diisocyanates used have included toluene diisocyarate. 所用的二异氰酸酯包括甲苯二异氰酸酯。
- An analytical method of headspace-GC for the determination of volatile benzene series compounds suchas benzene, toluene,ethyl benzene, xylene in oilfield water sample was studied. 对顶空-气相色谱法分析油田水中的笨、甲笨等挥发性笨系物的方法进行了研究,讨论了平衡时间、气/液体积比、水中含盐量等因素对测定的影响。
- Poly(isodecyl methacrylate), solution in toluene, average ... 询价 聚(甲基丙烯酸异癸酯);
- Ethyl acetate(71. 41b)was added to the slurry in the vessel. 把醋酸乙酯71.;4磅加到容器中的浆液内。
- The content of releasing toluene and xylene gas in the air. 释放出的甲苯、二甲苯气体在空气中的浓度。
- Ethyl lactate was synthesized with sodium bisulfate. 采用硫酸氢钠为催化剂合成乳酸乙酯。
- An alcoholic liquor distilled from grain, such as corn, rye, or barley, and containing approximately40 to50 percent ethyl alcohol by volume. 威士忌酒一种从谷类如玉米、黑麦或大麦等提炼出来含酒精液体,按容量包含约40%至50%的乙醇
- Ethyl 3-aminobenzoate, methanesulfonic acid salt, 98... 3-氨基苯甲酸乙酯甲烷磺酸盐;
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