Glyoxylic acid was rapidly synthesized by catalytic oxidation of glyoxal with H 2 O 2.在催化剂存在下,用双氧水氧化乙二醛溶液快速合成了乙醛酸.Glyoxal is prepared with waste liquid propellant HNO 3 - 27 S and ethanal.利用报废的液体推进剂硝酸-27S和乙醛制备乙二醛.There a...
和过量服用任何其他药物一样，身体会对它产生耐药性。As with any drug taken in excess, your body can build up a tolerance to it.连续用药可产生耐药性、精神依赖性和躯体依赖性.Tolerance and psychological and physical dependence may occur with continuing use.耐药性最高的是环丙沙星(29....
Are those real diamonds or only shams?那些是真钻石还是赝品?Tear away their veil of shams!撕开他们的假面具吧!Many women I spoke with seemed almost proud of the cleverness of their shams.和我交谈过的许多女性似乎都对她们高明的扯谎技巧感到近乎沾沾自喜....
The internecine strife was caused by a shortage of food.这次内部冲突，是由于食物匮乏而引致的。Strife was internecine during the next fortnight.在以后两个星期的冲突中我们两败俱伤.When they realize they face extremity, the victims will take an internecine me...
The meeting deadlocked over the wage issue.会议因工资问题而停顿下来.International gold prices average short - term bond, Straddle the two sides deadlocked.国际金价 短期 均线粘合, 多空双方胶着.The peace talks have been deadlocked over the issue of h...