China was the first country in the world to synthesize crystalline insulin, a bioactive protein.中国在世界上最早用人工方法合成一种有生物活力的蛋白质--结晶胰岛素.There are many amino acids that the body cannot synthesize itself.有许多种氨基酸人体自身不能合成。Etioplas...
The alkalizing bagasse reacted with carbon disulfide to synthesize bagasse cellulose xanthate.蔗渣纤维素经碱化后,与二硫化碳反应,得蔗渣纤维素黄原酸酯(CX).Objective To synthesize raloxifene hydrochloride, which is a selective estrogen receptor modu...
When someone has hayfever, the eyes and nose will stream and itch.花粉热临床表现为流泪、流涕，眼睛、鼻子发痒。Let us, however , examine one of the most common allergies ; hayfever.现在让我们来看看最常见的变态反应的一种--枯草热....
He ordered the dismantling of police checkpoints on highways, which were being used to shake down motorists for bribes...他下令取消公路上的警方检查站，因为警察们在这些地方向司机强行索要贿赂。He ordered the dismantling of police checkpoints on highways, wh...