用化学用英语怎么说？

用化学

Using chemistry

例句

• There may be a need for retarding growth chemically to keep trees within bounds. 可能需要用化学剂抑制生长,使树冠保持在一定的范围内.
• Perching can be discouraged by scaring, shooting or chemical repellants. 轰吓 、 射杀或者用化学忌避剂可防止鸟类栖息.
• Contaminated instruments and floor surfaces should be chemically disinfected. 污染的器材和地面要用化学药物消毒.
• The reaction conditions on oxidation of 2 - methylpyridine to 2 - acid by oxidation of potassium dichromate were studied. 研究了以2-甲基吡啶为原料,以重铬酸钾为氧化剂,利用化学氧化法合成 2- 吡啶甲酸的反应条件.
• Conducting polyaniline ( PANI ) and poly - O - methylaniline ( POT ) were prepared by chemical oxidation method. 用化学氧化法制备导电聚苯胺 ( PANI ) 和聚邻甲苯胺(POT ).
• Electroless plating method is applied to metallize the AlN sbstrate. 应用化学镀镍的方法实现了氮化铝的金属化.
• Huntsman is a global manufacturer and marketer of differentiated and commodity chemicals. 亨斯迈是精细化学品及通用化学品的全球制造商及营销商.
• The technique has been to mutate the genes by irradiation or chemicals. 该技术是通过放射线照射或者使用化学方法使基因变异。
• Chemical weapons are banned internationally. 国际上禁止使用化学武器。
• A device or substance gas, used to incapacitate riot control. 用化学物质杀死 、 伤害或使敌人无力的战争.