阐述了使用低纯度对二甲苯(PX)对PTA装置氧化残渣系统工艺参数、技术指标的影响。
The effect of low-purity PX on the process parameters and technical index of residue oxidation system of PTA plant was described.
她一直在测算残渣的收益、土壤的有机碳含量和温室气体排放量(二氧化碳、甲烷和一氧化二氮)。
She is measuring residue yields, soil organic carbon, and greenhouse gas emissions (carbon dioxide, methane, and nitrous oxide).
第三步(酸洗):去除金属表面的自由离子、金属残渣、氧化物和其他腐蚀产物。
The Third Step (Acid Wash) is to remove free iron, metallic residues, oxides, and other corrosion products from the surface of the metal.
钢材表面应无可见的油脂和污物,并且没有附着不牢的氧化皮、铁锈和油漆涂层及其它杂质(水溶性盐和焊接残渣)。
Steel surface should be no visible grease and dirt, and there is no attachment not firm scale, rust, paint and other impurities (water soluble salt and welding residue).
从提取精油后的残渣中提取得到的迷迭香提取物,具有良好的抗氧化性能,是一种天然抗氧化剂。
The rosemary extract obtained from the residue after the removal of essential oil is a natural antioxidant that has a good antioxidative activity.
不溶性氧化物相留存在残渣中。
用10%过氧化氢—5%醋酸—15%醋酸铵浸取上述残渣,可浸取溶解硫化态铅;
Soluble lead sulfide can be extracted from the residue by 10% hydrogen peroxide, 15% ammonium acetate and 5% acetyl hydrate.
同时,利用氧化还原滴定法测定燃烧残渣中活性铝含量。
The content of active aluminum in the combustion residue was determined by means of the titration.
从煤矸石中提取氧化铝,并用残渣直接煅烧硅酸盐水泥熟料,同时作废气、废液循环,是煤矸石资源开发利用的新工艺。
Extracting alumina from coal refuse, sintering cement clinker directly from residues and circulating waste gas and liquid is a unusual technology for utilization of coal refuse.
主要介绍在常压、低温、酸性条件下加软锰矿为氧化剂湿法处理洗净残渣提取铜和铋的技术。
The technological process of recovering copper and bismuth in wet handling elution residue by adding pyrolusite as oxidizing agents under the condition of ordinary pressure, low temperature, acidity.
如采用湿法处理工艺可生产铝盐及氧化铝,并可利用生产铝盐制品的残渣生产硅酸钠、白炭黑等产品,高岭土还可加碱合成多种沸石产品。
Through wet processing technology, aluminium salts and alumina can be produced from the kaolinite, and the residues from above process can be used to prepare calcium silicate, white carbon, and etc.
锰泥为两步氧化法生产高锰酸钾后的残渣,其中含有质量分数约20%的二氧化锰。
Manganese slag which containing about 20% manganese dioxide is produced in the process of potassium permanganate production.
而悬浮在油脂中的炭化残渣特别是细小的面粉、淀粉颗粒成为了油脂氧化反应和水解反应的催化剂,是使油脂质量下降的一个主要因素。
The main causation leads to the increase of fried oil is the impurities carbide, especially the tiny particles of flour and farina turn into catalyzer of oxidation and hydrolyze.
所得残渣量小,有利于提取氧化铝后残渣的综合利用。
The amount of the residue is small which is beneficial to the comprehensive utilization of the residue after extracting the aluminum oxide.
将咖啡残渣浸泡在氢氧化钾溶液中,加热至65摄氏度(149华氏度)并搅拌24小时,然后将混合物烘干。
The coffee grounds were steeped in a solution of potassium hydroxide, heated to 65 C (149 F) and stirred for 24 hours. The mixture was then dried.
应用连续浸提技术将土壤中Se划分为5种形态:水溶态、可交换态、酸溶态(碳酸盐及铁锰氧化物结合态)、有机物结合态、残渣态。
Application of sequential extraction technique in soil se into five forms: water soluble, exchangeable, acid soluble (carbonate and manganese oxides), organic matter bound and residual.
应用连续浸提技术将土壤中Se划分为5种形态:水溶态、可交换态、酸溶态(碳酸盐及铁锰氧化物结合态)、有机物结合态、残渣态。
Application of sequential extraction technique in soil se into five forms: water soluble, exchangeable, acid soluble (carbonate and manganese oxides), organic matter bound and residual.
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