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- gas works tar pitch 煤气厂焦油
- A pitch mesophase can be prepared from petroleum pitch andcoal tar pitch. 从石油沥青和煤沥青中制取沥青中间相物质。
- Developers want to build on the site of the old gas works. 开发商想在原煤气厂上建房。
- Mesophase microbeads were prepared from coal tar pitch by thermal condensation in atmospheric pressure. 以煤焦油沥青为原料采用常压热缩聚工艺制备中间相沥青微球。
- Carbon foams were prepared from coal tar pitch, petroleum mesophase pitch, and AR pitch. 分别以煤沥青、石油中间相沥青和AR沥青为前驱体制备炭泡沫材料。
- The structure change of medium coal tar pitch(MCTP) during co-carbonization was investigated by using NMR. 使用一种工业重质油和中温煤焦油沥青进行共炭化反应，改善了煤沥青的炭化性质。
- The results show that coal tar pitch and terephthalic aldehyde can be used to synthesize COPNA resin. 结果表明,煤沥青能够与对苯二甲醛合成COPNA树脂,其反应机理为酸催化下的阳离子型缩聚反应;
- The composition and structure of two kinds of tars in Tientsin Gas Works were investigated. 本文对天津煤气厂的两种焦油（煤焦油和石油焦油）的组成结构进行了研究。
- Boron-substituted polyaromatic mesophase was prepared by co-pyrolysis of a coal tar pitch with pyridine-borane complex under autogeneous pressure. 以煤焦油沥青和吡啶硼烷为原料采用加压热缩聚工艺制备硼取代聚芳烃中间相沥青。
- Modification of coal tar pitch(CTP) as carbon materials was studied using 4-methyl benzaldehyde(4-MB) as modifier by an acid catalyst. 以对甲基苯甲醛(4-methyl benzaldehyde,简称4-MB)为改性剂,在对甲苯磺酸(PTS)的作用下对煤沥青进行了改性研究。
- Taking Anting gas works LPG station as an example to discuss tank displacement ways. 文章以安亭煤气厂的液化石油气气化站的例子,探讨了贮罐等的置换方法。
- Distilling the low temperature coal tar pitch before coking tests, get the pitch with different volatile at different temperature. 在炼焦实验之前，将低温煤焦油进行了蒸馏，通过不同的蒸馏温度得到挥发分不同的沥青。
- Modification of coal tar pitch as a carbon precursor was studied using divinylbenzene (DVB) as a cross linking agent by the aid of acid catalyst. 首次以二乙烯基苯为交联剂,在酸性催化剂的作用下对煤沥青进行了改性研究,同时对改性后的煤沥青进行显微结构和耐热性分析。
- Needle coke was prepared through the co-carbonization of toluene soluble fraction (TS) of coal tar pitch and waste polystyrene (WPS) in a tube bomb. 摘要采用煤焦油沥青的甲苯可溶物和废聚苯乙烯共碳化制备针状焦，考察了中间相沥青中烷基含量对针状焦性能的影响。
- This paper introduces some solutions: change cast-iron pipe to steel or PE pipe; retain manufactured gas works to adulterate; on humidification of natural gas in network. 文章介绍了国内燃气铸铁管网改造的常用方法,并对其各自特点进行了分析。
- 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。
- I set up the company in 2003, mainly engaged in cotton, cotton lint and seed sales, gas works building machinery and livestock marketing. Welcome your visit, call. 我公司2003年成立,主要经营棉花、皮棉和棉种子销售、沼气工程的建设和畜牧机械销售工作。欢迎您的来访，来电。
- This article deals with the kinetics of thermal decomposition process of non-coking coal with modified coal tar pitch used in a steel company. 本文对国内某钢铁公司焦化厂所用的非焦煤配改质沥青的分解过程进行了动力学研究。
- Because of the complicacy of the components of coal tar pitch, the simulation of preparation process of pitch-based composites has not been developed widely. 由于煤沥青成分的复杂性,对煤沥青基复合材料的制备过程的模拟还没有得到广泛开展。
- Differential scanning calorimetry (DSC) and simultaneous thermal analysis (TG, DTA) are employed to study on thermal behavior of the modified coal tar pitch. 采用差示扫描量热法 (DSC)和热重 -差热分析 (TG DTA)对改性前后的煤沥青进行热行为分析。
