该行业一直在努力开发一些可以替代这些气体的无害物质。Industry has been working at developing harmless substitutes for these gases.一种气体的密度the density of a gas你如何计量气体的体积?How do you measure the volume of a gas?...
消防队员奋力扑救大楼中熊熊的火焰。Firemen tried to quench the flames raging through the building.他勇敢地冲进烈火熊熊的屋子去救那个婴孩.He bravely went into the burning house to rescue the baby.他走近时发现前面是一道烈火熊熊的巨大火墙。As he came closer he saw a gigantic wall ...
他向法庭申请保释遭到拒绝。His application to the court for bail has been refused.她被要求向法庭陈述谈话细节。She was asked to recount the details of the conversation to the court.他代被告向法庭陈情说被告十分懊悔.He represented to the court that the accused was ve...
Use turpentine and linseed oil, three parts to two.用松节油和亚麻油,比例为3:2。The ancient Egyptians could make glass, tile, turpentine, soap and dyes.古埃及人制造了玻璃 、 瓷砖 、 松脂 、 肥皂和染料.Paint is the solute and turpentine is the solvent whe...
从豌豆提取的烯醇酶对氟化物敏感.Enolase isolated from peas was sensitive to fluoride.'烯'.''''.'醇'. ''酶一种存在于肌肉组织里的酶,在碳水化合物的新陈代谢中起作用.An enzyme present in muscle tissue that acts in carbohy...
Situations of preparing isocyanate trimers at home and abroad are mainly introduced.主要介绍国内外异氰酸酯三聚体的制备状况.Polyether - type isocyanate prepolymers are prepared with polyether polyols and tolylene diisocyanate.采用聚醚多元醇和甲苯二异氰酸...