查询词典 asphalt

Samples were collected in lab for civil coal combustion and in field for coke plant and petroleum asphalt, 13 polycyclic aromatic hydrocarbons were determined by GC/MS.

利用模拟实验采集了民用燃煤污染源样品，在现场采集了焦化厂和石油沥青两类污染源样品，用GC MS联用技术测定了样品中 13种多环芳烃。

Expound petroleum asphalt is a non-carcinogen, can Burnout special liquid fuel, it has have obvious economic benefits to alternative diesel fuel and easy managed.

阐明了石油沥青是一种燃烧不产生致疮物质、能燃尽的特殊液体燃料，替代柴油作燃料经济效益明显，且管理方便。

The company's current main product road asphalt, petroleum coke and heavy fuel oil, soft sesame oil, lubricant materials, gas oil, naphtha, GSK products in Guangdong, Fujian, Jiangsu, Zhejiang area.

目前公司的主要产品有道路沥青、石油焦、重质燃料油、软麻油、润滑油料、蜡油、石脑油等，产品远销广东、福建、江苏、浙江一带。

Because it is difficult to distinguish between petroleum asphalt polyurethane waterproofing coating and coal tar PU waterproofing coating which is prohibited by the State,that makes the product market confused.

由于国家禁止使用的煤焦油聚氨酯防水涂料与石油沥青聚氨酯防水涂料较难分辨，使得聚氨酯防水涂料市场较为混乱。

Keywords extra specific surface area;petroleum asphalt fiber;microelectrode;Current respondence;pH respondence.

超大比表面积；石油沥青基碳纤维；微电极；电流响应； pH响应

By the distribution of petroleum by-products, the main species include: petroleum coke, asphalt, sulfur, paraffin, fuel oil, solvent oil, 90 # automotive unleaded gasoline, 180 # air scrubber Friends, 0 # diesel oil, since each type of product models many not to introduce them one by one (we can according to customer's specific requirements for ordering) to establish a stable market network is our goal, but also aims to target customers provide the necessary products, we will ensure ample supply and low prices.

石油焦 、沥青、硫磺、石蜡、燃料油、溶剂油、90#车用无铅汽油、180#航空洗涤友，0#柴油等，由于每类产品的型号众多，暂不一一介绍（我们完全可以根据客户的具体要求订购）建立稳定的市场网络是我们的目标，更旨在为目标客户提供所需的产品，我们将保证货源充足，价格低廉。

Used only for China's annual oil bitumen membrane roofing repairs up to 240 million ㎡, petroleum asphalt binder by 27 million tons, repair cost of over 1.2 billion.

我国每年仅用于屋面修缮的石油沥青卷材达2.4亿㎡，石油沥青胶结材达27万吨，修缮费用超过12亿元。

With a purpose of making comprehensive use of heavy residual oil, condensed polynuclear aromatic resin is prepared using petroleum asphalt as raw material and terephthalyl alcohol as cross-linking agent under the catalysis of concentrated sulfuric acid or p-toluensulfonic acid.

从综合利用重质油出发，以石油沥青为单体，对苯二甲醇为交联剂，在浓硫酸或对甲苯磺酸催化下合成了缩合多环多核芳香烃树脂。

Bap concentrations in petroleum asphalt were determined using the high-performance liquid chromatographic technique.

Bap含量，石油沥青仅含0.0004％～0.0008％，而煤焦沥青中含0.46％。结论：石油沥青急性经口属微毒物质，在常温及非高温加热融化情况下，不具有动物致癌作用。

Occupational hazard ; Hygienic standard ; Petroleum asphalt fume

由于石油沥青用途广泛，在生产和使用过程中产生大量烟气，对职业接触人群的健

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。