丙烷

LPG consists principally of the C3/C4 hydrocarbons, propane, propene and butanes, butenes respectively--together with minor proportions of ethane and pentanes.

规范通常将LPG分为三个等级：LPG丙烷、LPG丁烷和LPG混合物，对它们的组成和性质有严格的定义。

The result obtained was very promising. Meanwhile, [3+2]-cycloaddition of aziridines with nitriles was discovered by using Sc3 as catalyst.

与此同时，我们还发现了Sc3可以很好地催化腈与2-芳基氮杂环丙烷的[3+2]环加成反应，得到了二氢咪唑产物，产率中等到优秀。

The SBA-15-supported vanadium oxide catalyst has the highest selectivity for propylene because of its larger pore diameter and higher surface area.

SBA-15负载钒氧化物催化剂因具有较大的比表面积和较大的孔径，不仅具有较高的丙烷氧化脱氢催化活性，而且具有较高的丙烯选择性。

Main products: Inert Gas IG-541, heptafluoropropane (HFC-227ea), CO2 gas fire extinguishing system; alarm valve, deluge valve, pre-function valve, flow indicator, signal butterfly valve, spray head, decorative plates, hot poly cover water spray system equipment; emergency lighting, emergency power, emergency evacuation signs lights, Light-Storing-style evacuation signs and other equipment.

主要产品：惰性气体IG-541、七氟丙烷（HFC-227ea）、CO2气体灭火系统；报警阀、雨淋阀、预作用阀、水流指示器、信号蝶阀、喷淋头、装饰盘、聚热罩等水喷淋系统设备；应急照明灯、应急电源、应急疏散标志灯、蓄光式疏散标志牌等设备。

One worker has been injured by a fire at Miami International Airport's ground traffic control tower.

一位工人被迈啊密国际机场地面交通控制中心塔楼的大火烧伤，防火队员在处于建设中的空塔楼扑灭了大火，由于装有丙烷的箱子放置在楼顶，工作人员非常小心。

Also,ignition of the strand was done by heating a flat steel bar with apropane torch, then touching this firmly against the flat surface ofthe strand tip.

此外，点火的钢绞线是由暖气一个单位，钢筋与丙烷的火炬，然后在谈到这个坚决反对在平面上的钢绞线秘诀。

It undertakes fuel oil, polymer, paraffin wax and chemical fibre, with the main products of non-lead gasoline, light diesel fuel, 20# heavy diesel fuel, topped oil, naphtha, aviation kerosene, cracked diesel oil, fuel oil, base oil, isomer dewaxing oil, liquid petroleum gas, propane, propylene, MTBE, benzene, toluene, xylene, paraffin wax, polyacrylamide, acrylonitrile, ammonia sulfate, semi-refined asphalt, acrylon, furfural extract oil, liquid nitrogen, etc, totaling 338 varieties and more than 100 kinds of brands.

它的主要产品有：高标准清洁汽油、无铅汽油、轻柴油、重柴油、航空煤油、化工轻油(拔头油、裂化原料油、石脑油)、燃料油、&老三套&基础油、异构脱蜡基础油、液化石油气、丙烷、丙稀、MTBE、石蜡、聚丙稀酰胺、丙稀腈、硫胺、硫磺、三苯、半炼沥青、腈纶、糠醛抽出油、液氮等38种100多个牌号的石油化工产品，产品辐射全国25个省、市、自治区。2000年销售收入119.9亿元。

Our "ZheAn" branded products include indoor hydrants, post hydrants, fire pump connectors, dry powder fire extinguishers, CO2 fire extinguishers, fixed CO2 fire systems, HFC-227 ea fire extinguishing system, aqueous film fire extinguishers, foam extinguishers, steel and wooden fire-resistant doors and roller shutters, squirt guns, couplings, fire alarms, buttons, hoses, hose reels, hydrant boxes, spray headers, wet alarming systems, and so forth. These products are all featured by high quality, bright and clean appearance, novelty, excellent reliability, and reasonable prices, and have been recognized and supported by people from all walks of life.

我厂生产的注册&浙安&牌消防产品系列有室内消火栓、地上式消火栓、消防水泵接合器、干粉、CO2、CO2 固定系统、七氟丙烷灭火系统、水成膜灭火器、泡沫灭火器、钢制和木质防火门防火卷帘、水枪、接扣、消防警铃、按钮、水带、消防软管卷盘、消防栓箱、灭火器箱、喷淋头及湿式报警系统产品，产品均以品质优良、外观光洁、新颖、质量可靠和价格合理而赢得社会各界人士的认可和支持。

Our "ZheAn" branded products include indoor hydrants, post hydrants, fire pump connectors, dry powder fire extinguishers, CO2 fire extinguishers, fixed CO2 fire systems, HFC-227 ea fire extinguishing system, aqueous film fire extinguishers, foam extinguishers, steel and wooden fire-resistant doors and roller shutters, squirt guns, couplings, fire alarms, buttons, hoses, hose reels, hydrant boxes, spray headers, wet alarming systems, and so forth.

我厂生产的注册&浙安&牌消防产品系列有室内消火栓、地上式消火栓、消防水泵接合器、干粉、CO2、CO2 固定系统、七氟丙烷灭火系统、水成膜灭火器、泡沫灭火器、钢制和木质防火门防火卷帘、水枪、接扣、消防警铃、按钮、水带、消防软管卷盘、消防栓箱、灭火器箱、喷淋头及湿式报警系统产品。

Our "ZheAn" branded products include indoor hydrants, post hydrants, fire pump connectors, dry powder fire extinguishers, CO2fire extinguishers, fixed CO2fire systems, HFC-227 ea fire extinguishing system, aqueous film fire extinguishers, foam extinguishers, steel and wooden fire-resistant doors and roller shutters, squirt guns, couplings, fire alarms, buttons, hoses, hose reels, hydrant boxes, spray headers, wet alarming systems, and so forth.

我厂生产的注册&浙安&牌消防产品系列有室内消火栓、地上式消火栓、消防水泵接合器、干粉、CO2、CO2 固定系统、七氟丙烷灭火系统、水成膜灭火器、泡沫灭火器、钢制和木质防火门防火卷帘、水枪、接扣、消防警铃、按钮、水带、消防软管卷盘、消防栓箱、灭火器箱、喷淋头及湿式报警系统产品，产品均以品质优良、外观光洁、新颖、质量可靠和价格合理而赢得社会各界人士的认可和支持。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。