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- The synthesis of 2 amino 4 methylamino 6 chloro 1,3,5 triazine by amination and methylamination from cyanuric chloride in one reaction system was described. 研究了在同一反应器中由三聚氯氰经氨化、甲胺基化合成2氨基4甲胺基6氯三嗪的方法。
- The synthesis of 2 amino 4 methylamino 6 chloro 1,3,5 triazine by amination and methylamination from cyanuric chloride in one reaction system was described. The results showed that the yield was 93%. 研究了在同一反应器中由三聚氯氰经氨化、甲胺基化合成2氨基4甲胺基6氯三嗪的方法。确定其优惠反应条件,产品收率可高达93%25。
- Keywords Reversed phase HPLC;1 (6 chloro 3 pyridinylmethyl) N nitro imidazolidinyl 2 imine;insecticides; 反相高效液相色谱法;吡虫啉;杀虫剂;
- Keywords hydroxy 3' tertbutyl 5' methylphenyl) 6 chloro benzotriazole;catalytic hydrogenation;synthesis; 羟基-3’-叔丁基-5’-甲基苯基)-6-氯-苯并三唑;催化氢化;合成;
- Keywords cinnamyl alcohol;3 chloro 1 phenylpropene;chlorination;kinetic control reaction;triethylamine; 肉桂醇;3-氯-1-苯丙烯;三乙胺动力学控制反应;合成;
- Size 5 5 1 6 0 2 sq km. 3 0 0 0 km long coastline. 面积551602平方千米。
- Jim Courier breezed to a 6:1, 6:3, 6:3 decision over Gorrizm. 吉姆·科里尔轻松地以6:1,6;3,6:3胜了戈里斯姆。
- There is no parking between 9 am and 6 pm. 上午9时至下午6时禁止停放机动车辆。
- This city has a population of more than 1,000,000. 这个城市人口超过一百万。
- Divide 6 by 3 and then subtract 1 from the quotient. 从6除以3所得的商减去1。
- The bookies were offering odds of 3 to 1, but there were no takers. 赌马经纪人提出3比1的赔率,但无人下注。
- The class needs a minimum of 6 pupils to continue. 这个班最低限度要六个学生才可以继续办下去。
- If you subtract 2 from 8, you get 6. 8减去2是6。
- Visiting time in this hospital is from 4 to 6. 这家医院的探望时间是从4点到6点。
- The library is open from 9 to 6. 那个图书馆从上午9点到下午6点开放。
- These socks retail at 1 dollar a pair. 这些袜子零卖一美圆一双。
- This mountain is 1,400 meters above sea level. 这座山海拔1,400米。
- It's due in (ie It should arrive) at 6 o'clock. 这班车应在6点钟到达。
- These socks are going at 1 a pair. 这些短袜每双卖1英镑。
- The builder cost out the job at$6,500. 营造商给这活儿估价为6,500美元。