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- The effect of the solvent on bromination of 6 methoxy 2 acyl naphthalene and 2 methoxyl naphthalene with 1,3 dibromo 5,5 dimethyl hydantoin was studied. 考察了在不同极性溶剂中以 1 ,3 二溴 5,5 二甲基海因作溴化剂对溴化 6 甲氧基 2 酰基萘反应的影响。
- A chiral stationary phase( CSP) was prepared by coating amylose tris(3,5 dimethyl phenyl carbamate)( ADMPC) onto aminopropylated spherical silica gel. 涂敷直链淀粉三(,5二甲基苯基氨基甲酸酯)(DMPC)自制的球形氨丙基硅胶上,制备了手性固定相。
- This article reported a new synthetic method of 2,5 dimethyl 2,5 di( t butylperoxy)hexane, one of the peroxy organic compounds. 报道一种有机过氧化物 2 ,5 -二甲基 -2 ,5 -双 (叔丁过氧基 )己烷 (简称双 2 5 )的合成新方法。
- DMHF Dimethyl Hydantoin Formaldehyde Resin 二甲基乙内酰脲甲醛树脂
- The reaction engineering theory and correct experimental methods were adopted as a guide to carry out the engineering development of 2,5 dimethyl hexyne 2,5 diol. The results satisfactory. 在工业反应过程中，以反应工程理论和正确的实验方法作指导，进行2，5-二甲基己炔-2，5-二醇的反应工程开发，取得了满意的结果
- Synthesis of 1,4 Bis(5,5 dimethyl 1,3 dioxacyclophosphorimide)benzene 1,4-二(5,5-二甲基-1,3-二氧杂己内磷酰亚胺基)苯的合成
- dimethyl hydantoin 二甲基乙内酰脲
- dimethyl hydantoin formaldehyde 二甲基乙内酰脲甲醛
- These fish vary in weight from 3 lb to 5 lb. 这些鱼的重量从3磅到5磅不等。
- The going rate for freelance work is 5 an hour. 自由职业者的现行酬金是每小时5英镑。
- Many children under 5 go to nursery school. 5岁以下的许多儿童都上幼儿园。
- Meals average out at 5 per head. 膳食平均每人5英镑。
- Children under 5 can travel for nothing. 5岁以下儿童可免付旅费。
- Even the cheapest was priced at 5. 即使最便宜的也标价5英镑。
- Keywords dimethylhexane 2;5 diol;2;5 dimethyl 2;5 bis（ tert butyl peroxy）hexane;tert butyl alcohol;hydrogen peroxide; 二甲基-2;5-己二醇;5-二甲基2;5-双（叔丁基过氧基）己烷;叔丁醇;双氧水;
- The liquid was 5 litres in volume. 该液体的体积为5升。
- The ratios of 1 to 5 and 20 to 100 are the same. 1与5之比和20与100之比相同。
- The winning time was 1 minute 5 seconds. 获胜的时间是1分零5秒。
- I found a 5 note on the pavement. 我在人行道上捡到了一张5英镑的纸币。
- He is 5 centimeters taller than her. 他比她高5公分。
