查询词典 petroleum asphalt

Petroleum asphalt ; Toxicity ; Experimental study ; Mutagenicity

石油沥青；毒性；实验研究；致突变性

When dealing with petroleum asphalt and bituminous emulsion, scrape of the excess material and scrub the surface with scouring powder and water.

用石油和沥青混合液以及乳胶漆擦掉多余的部分，并用掺水的清洁粉擦洗表面。

The preparation process and product properties of a new kind of one-component moisture curing petroleum asphalt polyurethane waterproof coatings were introduced.

介绍了一种新型湿固化单组分石油沥青聚氨酯防水涂料的制备工艺和产品性能，并且对工艺配方中原料选择和影响因素进行了讨论。

Methods Acute oral toxicity test, subchronic inhalation toxicity test and mutagenicity test were conducted to observe the effects of petroleum asphalt in experimental animals.

方法通过石油沥青急性经口毒性、亚慢性吸入毒性及遗传毒性的实验研究，观察在该实验条件下，石油沥青对受试动物的影响。

The authors have made a microelectrode with the material of petroleum asphalt fiber.

屠一锋，徐萍，超大比表面石油沥青基碳纤维微电极研究

Petroleum asphalt ; Bap concentration ; acute toxicity ; Ames test ; micronuleus test ; carcinogenic test

石油沥青； Bap含量；急性毒性； Ames试验；微核试验；致癌试验

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。

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

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。