NMA was hydrogenated to 3 - amino - 4 - methoxyacetanilide ( AMA ) with S - Ni as catalystin liquid phase.以改性的骨架镍为催化剂催化3-硝基-4-甲氧基乙酰苯胺(NMA)液相选择性加氢制备了 3- 氨基 -4- 甲氧基乙酰苯胺 ( AMA ).Isoprene could be deeply hydrogenated to isop...
The working principle of gas liquid separator for hydrogenated unit was recommended.介绍了加氢装置气液分离器的工作原理.The structures of 0.5 ML hydrogenated Si ( 100 ) surface are simulated by empirical tight - binding ( ETB ) method.采用经...
用氢 氧化铝 和氢氧化锂制备铝盐吸附剂,研究了其对锂的吸附性能.The preparation of aluminum salt adsorbent using Al ( OH ) 3 and LiOH was described.例如: 含有氧化锂 、 盐、磺等物质的矿泉水.Examples: Lithia , saline , and sulphur waters.皮茨说这优于氧化锂钴——目前市场上的一种 高能 大功率电池配方.Pi...
The magnolias are in blossom and they attract many swallows.玉兰花开吸引了许多燕子.There were swallows in the cloudless blue sky...燕子在万里无云的蓝天飞翔。The swallows are building a nest under the roof of our house.燕子正在我们的屋檐下筑巢.Thoughts pass...
账户的借方on the debit side of an account金融机构充当贷方和借方的中间人。Financial institutions act as intermediaries between lenders and borrowers.你购物的金额会自动记入账戶借方.Your current account is automatically debited with the amount of your purchas...
坏天气对上午那些风笛吹奏者毫不容情。The weather was unkind to those pipers who played in the morning.这群人那天上午去了松鸡猎场。The party had been to the grouse moors that morning.我今天上午努力熨完了所有的衣服。I managed to get all the ironing done this morning....
Darn it! I’ve lost my keys!真见鬼，我的钥匙丟了！I know how to darn, and how to sew a button on.我会打补丁，缝纽扣。These are the friendliest darn bulldogs in the world.它们是世界上最友好的牛头犬.There's not a darn thing he can do about it...他对此根本无能...