Aspirin is synthesized through O - acylating reaction from acid and anhydride acid with anhydrous carbonate as catalyst.以水杨酸和乙酸酐为原料,采用无水碳酸钠作为催化剂经O - 酰化反应合成了阿司匹林.In 2002, we develop Photo - catalyst & electronic Ionizer A...
Click Start Archiving on the Control menu to begin archiving this broadcast.单击“控制”菜单中的“开始存档”,开始存档此广播.Check and arrange archival material, filing and archiving a regular basis.存查的档案资料的整理 、 立卷与定期归档.Responsible for archivin...
the sun's detrimental effect on skin日光对皮肤的有害影响Lime in the soil is detrimental to some plants.土壤里的石灰对某些植物有害.The measures had a detrimental effect.这些措施已产生不良影响....
绒毛的乳糜管是淋巴系统的一部分.The lacteals of villi are part of the lymphatic system.目的: 探讨自发性乳糜胸的诊断及手术治疗.Objective : To explore the diagnosis and surgical management of spontaneous chylothorax.推荐无谷胶饮食应用于乳糜症阳性儿童.A gluten - free diet i...
要尽量客观地分析情况，尤其是在工作上。Try to view situations more objectively, especially with regard to work.精神科医生务必要学会保持超乎寻常的客观态度。The psychiatrist must learn to maintain an unusual degree of objectivity.显而易见，必须采用更为客观的描述方法。Plainly, a more...
Disaffirm explicitly apparent agency in the act commercial paper.明确否认票据行为表见代理.He stopped short of explicitly criticizing the government...他几乎要直言批评政府了。SARA amended section 113 to provide explicitly for a right to contribu...
If no agreement was reached, the army would step in.如果无法达成协议，军队将会介入。This is an important step toward lower interest rates.这是向较低利率迈出的重要一步。Nervous politicians might well feel more comfortable with a step-by-step approach.神...