查询词典 acetylene

There are two parts of work in this thesis. One is to simulate intelligent PID control method based on the poloidal field power supply system of TOKMAK, the other is to design and commission the power supply control system of the equipment for producing acetylene from coal pyrogenation by hydrogen plasma.

本文主要包括两部分内容，一是基于托卡马克装置极向场电源的控制仿真研究了智能PID 控制方法，二是氢等离子体裂解煤制乙炔电源控制系统的设计和实验调试。

Regular coiled carbon tubes are prepared by pyrolytic decomposition of acetylene on titanium plates at 750℃.

规则螺旋碳管的形成与钛片的预处理有关，在盐酸处理过的钛片表面上所生长的碳管几乎都是规则螺旋形状的。

Chemical Products, Chemicals: inorganic acid, sodium compounds, potassium compounds, calcium compounds, barium compounds, manganese compounds, chromium compounds, nickel compounds, zinc compounds, magnesium compounds, aluminum compounds, single-element chemical products, even items of the five machines Chemical products, paraffin, waxes other chemicals, coke, oil and chemicals, alcohol, aldehyde chemicals, acetate chemicals, ketones, ethers, phenols chemicals, alkanes, alkenes, acetylene chemicals, amine chemicals, aromatic chemicals, Miscellaneous organic chemicals, acid chemicals, other chemicals, dyes and intermediates, pigment materials, plastic materials, agricultural chemicals: fertilizers, pesticides, growth agents, plastic sheeting, etc., equipment, pyrophoric alloys, articles of combustible materials , chemical reagents, rubber, imports, machinery and equipment, machinery and equipment, apparatus; photographic equipment; printing equipment; general machinery; textile equipment; Machine Components; a variety of equipment, Shanghai, Zhejiang, Guangdong, Jiangsu high-quality, low-carbon The new satellites technology goods manufacturers, exporters, wholesalers, traders, USA, United States importers, wholesalers, retailers, investors, designers, planners, please contact our office, George Chen, Mobile :+

化工产品类，化工原料：无机酸，钠化合物，钾化合物，钙化合物，钡化合物，锰化合物，铬化合物，镍化合物，锌化合物，镁化合物，铝化合物，单元素化工品，什项五机化工品，石蜡、蜡类其他化工品，焦、油化工品，醇、醛化工品，酯化工品，酮、醚、酚化工品，烷、烯、炔化工品，胺化工品，芳烃化工品，什项有机化工品，羧酸化工品，其它化工原料，染料及中间体，颜料原料，塑料原料，农用化工品：化肥，农药，生长剂，农膜等，器材，引火合金，易燃材料制品，化学试剂，橡胶，进口，机械设备，机械及设备，仪器；摄影器材；印刷器材；通用机械；纺织器材；机械基础件；各种成套设备，中国上海，浙江，广东，江苏优质，低碳，新颗科技商品生产商，出口商，批发商，贸易商，美国，美利坚合众国进口商，批发商，零售商，投资商，设计师，规划师们，请与我处联系，George Chen，Mobile：+

About 70 years ago, towards the end of 1938 and at the start of 1939 to be exact, the chemist Walter Reppe, working in a BASF laboratory in Ludwigshafen, used acetylene and pyrrolidone to produce a new monomer called vinylpyrrolidone, which in turn can be transformed into the polymer polyvinylpyrrolidone.

大约70年前，对1938年底和1939年开始的，确切地说，是化学家沃尔特雷佩，在路德维希港的巴斯夫在实验室使用的乙炔和吡咯烷酮产生新的单体，工作称为乙烯基，这反过来又可以转化为聚合物聚乙烯吡咯烷酮。

It is important to prevent acetylene gas from collecting in a confined area because the gas may reignite and explode.

防止乙炔气体在狭窄空间内积聚是很重要的，因为气体可能重新起火和爆炸。

DOT regulations require that the filler of all acetylene cylinders undergo a one-time inspection and requalification.

DOT规范要求所有的乙炔钢瓶的填充物要经过检查和重新认定。

According to the gas chromatographic analysis of the insulating oil, this paper probes into the causes of the superstandard of the acetylene content in 35 kV transformer oil, and makes the hanging-cover check and treatment of s ealing members ageing problem, which guarantees the normal operation of the tra nsformer.

根据绝缘油气相色谱分析，判断出一例35kV变压器油中乙炔含量超标的原因，并对密封件老化问题进行了吊罩检查和处理，保证了变压器的正常运行。

Including high temperature for the pyrolysis of natural gas to produce carbon black and acetylene; steam reforming of natural gas or partial oxidation of natural gas, synthetic gas can be obtained; natural gas through chlorination, sulfide, nitrification, ammoniated oxide, oxidation can be obtained A N all kinds of derivatives; in the wet gas ethane, propane, butane and natural gas liquid condensate, and so on, the steam cracker or pyrolysis to produce ethylene, propylene and butadiene; dehydrogenation of butane oxidation or produce small Diene or acetic acid, methyl ethyl ketone, and maleic anhydride, and so on.

包括在高温下进行的天然气热裂解，主要生产乙炔和炭黑；天然气蒸汽转化或天然气的部分氧化，可制得合成气；天然气经过氯化、硫化、硝化、氨化氧化、氧化可制得甲烷的各种衍生物；湿性天然气中的乙烷、丙烷、丁烷和天然气凝析液等，经蒸汽裂解或热裂解可生产乙烯、丙烯和丁二烯；丁烷脱氢或氧化可生产丁二烯或醋酸、甲基乙基酮、顺丁烯二酸酐等。

Since the establishment of the company has successfully auctioned in Guangyuan City nail Sichang, Guangyuan guesthouses, Guangyuan textile mill, the city match factory, the city of five TAC Corporation, the Urban Chinese Medicine Company, the city Department Stores Company, City of-chemical plants, North Sichuan Mica paper mills, municipal acetylene plant, Guangyuan steel door and window factory, Guangyuan City native Fruit Company, comprehensive trading company in Guangyuan City, the city agricultural resources, Bashu City Shopping Centre, City three groups of the cement plant, Guangyuan steel mills, paper mills communizing, City Tangjiu, Guangyuan gold, Cangxi Xian department stores, Jiange cement plant, Mong-owned Guangyuan Coal Mining Bureau, Wangcang mine, Wangcang rock brick factory, grinding rock mine, the South's coal mines, Peng Shan Yuan Mingfen plants, food processing plants in the Green River Shanzhen, Guangyuan Huachang machinery factory labor service companies such as Total 46 bankruptcy estate enterprises, turnover amounted to 460 million yuan.

自公司成立以来先后成功地拍卖了广元市钉丝厂、广元宾馆、广元纺织厂、市火柴厂、市五交化总公司、市医药总公司、市百货总公司、市力兴化工厂、川北云母纸厂、市乙炔厂、广元钢门窗厂、广元市土产果品公司、广元市综合贸易公司、市农资公司、市巴蜀商场、市三堆水泥厂、广元钢厂、赤化纸厂、市糖酒公司、广元金矿、苍溪县百货公司、剑阁水泥厂、广旺矿务局所属广元煤矿、旺苍煤矿、旺苍矸砖厂、磨岩煤矿、南江煤矿、彭山元明粉厂、青川山珍食品加工厂、广元华昌机械厂劳动服务公司等共计46家破产企业破产财产，成交额达4.6亿余元。

And quenching processing is needed to stop acetylene from dissociating.

为了防止乙炔的再分解，必须对高温气体产物进行急冷。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。