Gaseous helium is inert, colorless, odorless, non corrosive, and nonflammable.气态氦极不活泼, 无色, 无嗅, 无腐蚀性, 不可燃.The application of gaseous ozone as ( biocide ) is a questionable practice.温室中使用臭氧气体防治病虫害是个错误.The rate of chlorosul...
Air whether in the gaseous or liquid state is a fluid.空气,无论是气态的或是液态的,都是一种流体.All substances, whether they are gaseous, liquid or solid, are made of atoms.一切物质, 不论它们是气体 、 液体还是固体, 都是由原子构成的.Freon exists both in liquid and ga...
...a gold mine at Orkney, south-west of Johannesburg.位于约翰内斯堡西南奥克尼地区的一座金矿On her shoulders she wore two ornaments exquisitely set in gold - work.她在肩上挂上两件精美的金工饰品....gold and silver plate, jewellery, and roomfuls of antique ...
血清肌酸酐, 内生肌酐清除率, 蛋白尿,血压在基线水平.Serum creatinine, creatinine clearance, proteinuria and blood pressure were recorded at baseline.利用液相色谱 - 同位素稀释质谱法准确测定血清中的肌酸酐含量.The determination of creatinine in human serum by liquid chromat...