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...
The plus sign is used in addition and the minus is used in subtraction.加号用于加法;减号用于减法....using concrete objects to teach addition and subtraction.用实物来教加减法There will be simple tests in addition, subtraction, multiplication...
她患了夜盲症.She suffered from night blindness.他有夜盲症, 晚上看不见.He has night blindness , he is able to see nothing at night.这些医疗工作者会诊断出青光眼 、 夜盲症以及其他的眼部疾病.The workers look for conditions glaucoma, night blindness and other problems...