oxygen-containing中文什么意思

例句与用法

1. " contrary to the early predictions , you get more haze with carbon dioxide , " she said . " you also get a richer broth of chemicals , including oxygen - containing molecules
   “与早先设想的恰恰相反，有了二氧化碳反而形成了更多的浓雾，也形成了更多的分子浓汤，包括含氧的分子。 ”
2. Characterization of fresh bc and asphaltenes show that fresh bc structurally rigid and physically condensed . and different to graphite , bc contains a little aliphatic groups and oxygen - containing groups
   但现代碳黑又不同于石墨，它还具有一些含氧官能团、脂珠江三角洲地区土壤和表层沉积有机质的非均质性研究肪碳等结构。
3. Through the comparison between freeze - drying and heat - drying , the agglomeration and the desorption of the precursor on carbon support can be alleviated with freeze - drying method . the effects on the electrocatalysts by pretreatments of carbon support , dispersant and precursor are studied . the result shows that pretreatment of the carbon support by kmno _ 4 can add oxygen - containing functional groups on the surface of carbon , which can reduce the hydrophobicity of the carbon support , and then make it much easier for carbon to dissolve in water to form suspension ; isopropyl alcohol can make the carbon support in high dispersion in the precursor solution , which can make the precursor absorbed on the surface of the carbon
   采用高锰酸钾氧化预处理的碳载体比表面积较大,表面含氧官能团数量较多,亲水性较好,有利于前躯体在碳载体表面的吸附;选取异丙醇作为预冻液中的分散剂,有利于碳载体在前躯体溶液中的分散,容易实现前躯体离子在碳载体表面的稳定吸附和分散;使用酸性pt ( no _ 2 ) _ 2 ( nh _ 3 ) _ 2作为前躯体,可以使前躯体离子和碳载体表面的酸性含氧官能团发生离子交换反应,使得前躯体离子吸附量增大,分散更加均匀,以上三种因素的选取都可以得到催化活性更高的pt / c催化剂。