The hydrocarbon content of this phosphate ore provides most of the heat needed for the calcination.这磷矿所含烃量能提供锻烧所需的大部分热量.A series of niobium acids at different calcination temperatures was prepared.在不同焙烧温度下制备了一系列固体铌酸催化剂.T...
The hydrocarbon content of this phosphate ore provides most of the heat needed for the calcination.这磷矿所含烃量能提供锻烧所需的大部分热量.ITQ - 27 is stable to calcination in air , absorbs hydrocarbons , and is catalytically active for hy...
The hotel is set plumb in the middle of the high street.宾馆正好坐落在商街的中段。She learned to wire and plumb the house herself.她学会了自己给房子拉接电线、敷设水管。She never abandoned her attempts to plumb my innermost emotions.她从未放弃过探究我内心深处情感的尝试。...
The doctor was in his fifties, graying and distinguished.那位医生,五十来岁, 头发花白,仪表端庄.Bonnie had graying, light - brown wavy hair that she pulled back into a large barrette.邦妮有着一头趋向灰白的淡棕色卷发,往后梳起并用大发夹束了起来.The doctor, in his fifti...
他昨天入院治疗肺部的血块。He was admitted yesterday for treatment of blood clots in his lungs.他患有肾癌，还有脑部和肺部的继发性肿瘤。He had kidney cancer, with secondary tumours in the brain and lungs.他呼吸时觉得吸进肺部的空气冷得刺人.The air came into his lungs sharp...
The first catalytic converters were called conventional oxidation catalysts.最初的转化器叫做常规氧化催化器.These three converters are all pure oxygen top - blow .这三座转炉都是纯氧 顶吹 的.Series 6 SG 70 SIMOTRAS HD converters are characterized by...
a demonstrable fact可证实的事实Despite its demonstrable speed and safety, the boat failed to become popular.虽然其速度和安全性都可得到证明，但这种船还是不受欢迎。No cavity is demonstrable ( planigrams are usually required ).无空洞可见 ( 一般需断层摄影 ).The road sa...