研究表明，污染大部分来自燃煤，机动车，工业排放物和灰尘。
Studies show that most of the pollution comes from coal burning, motor vehicles, industrial emissions and dust.
在这里啰嗦几句，很多老车的发动机变速箱底部都糊着一层厚厚的油泥，这些东西最好能及时清理掉，因为一旦发生自燃，这些东西可都是良好的可燃物。
Here a few words, many windbag old car engine gearbox bottom paste with a thick layer of clay, these things can be cleared up off the best, because once the goaf, these things are good burnable.
制备出漆酚镧螯合物，测定了其组分、溶解性、红外光谱、自燃点、分解温度等性质。
The composity, solubility, IR spectra, autoignition temperature and decomposition temperature of urushiol lanthanum chelate were determined.
针对这些排放量变化有着不同的解释，包括来自燃烧物，湿地，融化的冻土和植物的排放。
Different explanations have been offered for these fluxes, including emissions from fires, wetlands, melting permafrost, and plants.
根据分子轨道理论，煤中低分子化合物的氧化自燃反应发生在电荷密度较大的原子部位，计算得到了煤有机质中低分子化合物发生氧化自燃反应的活性点。
According to the molecule orbital theory, the oxidation spontaneous combustion reaction of the low molecular compound in coal takes place at the atoms which charge density is thick.
合金氢化物在空气中不自燃。
粉煤灰是燃煤或煤泥发电厂电力生产过程中的排放物，其良好的结胶性使其可以作为井下防止煤碳自燃的注浆材料。
The flyash from stove is an exhausting of the coal of coal mire or coal mire power plant electric power production line inside thing.
本发明是可用于纯化来自燃烧工艺的尾气和废气的金属氧化物催化剂的制备方法。
The invention is a method for producing a metal oxide catalyst useful for purifying exhaust gases and waste gases from combustion processes.
这些沉积物很容易发生自燃，称为空气预热器的二次燃烧，需要对空气预热器进行热点检测来加以预防。
These sediments are prone to spontaneous combustion, which is known as the secondary combustion air preheater. The need for air preheater's hot spot detection to prevent them is necessary.
一种具有建造的表面氧化物以提高初始活化的抗自燃氢存储材料和制备该材料的方法。
An anti-pyrophoric hydrogen storage material having an engineered surface oxide to enhance initial activation and a method for making the same.
分析了铁的硫化物的危害特性 ，阐述了硫化物“自燃”产生的热量是造成油罐发生火灾事故的主要原因 ，并提出了相应的防护措施 ，提高油罐日常使用的安全可靠性。
Self-ignition accident by sour oil tank was analyzed, and the major reason was found to be thermal oxidation of iron sulfides generated from reaction of rust with hydrogen sulfide.
分析了铁的硫化物的危害特性 ，阐述了硫化物“自燃”产生的热量是造成油罐发生火灾事故的主要原因 ，并提出了相应的防护措施 ，提高油罐日常使用的安全可靠性。
Self-ignition accident by sour oil tank was analyzed, and the major reason was found to be thermal oxidation of iron sulfides generated from reaction of rust with hydrogen sulfide.
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