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- Aqua mesophase pitch (AMP) was prepared through oxidation of coal tar pitch with mixtures of concentrated sulfuric acid and nitric acid. 以煤焦油沥青为原料,经过氧化、碱溶制备出水性中间相沥青,着重考察了制备条件对水性中间相沥青在水相中凝胶化的影响。
- The mechanism of self-photosensitized photo-catalytic oxidation degradation of coal was firstly proposed and the dynamics model of photo-catalytic oxidation of coal was set up. 首次提出了煤自光敏化光催化氧化降解机理,建立了煤光催化氧化动力学模型。
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- Prohibition was laid on the export of coal. 禁止煤炭输出。
- low-temperature oxidation of coal 煤低温氧化
- He put a shovel of coal on to the fire. 他往火炉里加了一铲煤。
- We had a big delivery of coal today. 今天我们收到大批订购的煤。
- The country is short of known deposits of coal. 这个国家缺少已知的煤矿矿床。
- They painted a coat of paint to prevent the oxidation of the ship by seawater. 他们刷了一层油漆以防止船只被海水氧化。
- During the combustion process of coal, the nitrogen element in coal may turn to various oxides of nitrogen, thereby, resulting in ambient pollution. 煤中氮元素在煤燃烧过程中会转化为各种氮的氧化物,从而造成环境污染。
- There was no bulk oxidation of the silver. 银不会发生体相氧化。
- Besides, in content of our country air pollution, the azotic oxide of the carbon dioxide of 85 % , 60 % also comes from the combustion of coal. 除此之外,在我国大气污染物中,85%25的二氧化碳、60%25的氮氧化物也来自煤的燃烧。
- An inexhaustible supply of coal. 用之不竭的煤炭供应
- China has a wealth of coal, iron and other minerals. 中国有丰富的煤、铁和其它矿产资源。
- Adiabatic study on low-temperature self-heating oxidation of coal 煤的绝热低温自热氧化试验研究
- The oven holds sufficient heat to fire up a fresh charge of coal. 炉里有足够的热量使新加进的煤燃烧起来。
- Wet oxidation of high concentration reactive dyes wastewater. 湿式氧化法处理高浓度活性染料废水。
- The oxidation of ammonium compounds into nitrates by soil bacteria. 通过硝化细菌的作用将氨的化合物氧化成硝酸盐的过程。
- Uronic acid can be synthesized by oxidation of monosaccharide. 目前糖醛酸的合成主要是以单糖为原料氧化而得。
- We are talking about the ignitability of coal. 我们在谈论有关煤炭之可燃性。