聚氯乙烯

The technology of polyvinyl chloride batch process, mai n characteristics and the demands of automatic-control are described.

叙述了聚氯乙烯批量生产工艺流程、主要特点及对自动控制的要求。

Objective To analyze the occupational hazard of chemical poisons in the polyvinyl chloride plant.

目的分析某生产企业聚氯乙烯生产过程中产生的化学毒物及其危害关键控制点，为企业化学毒物防护提供依据。

Course of change and development of formula systems for unplasticized polyvinyl chloride pipes for water supply is described.

介绍了我国硬聚氯乙烯给水管材配方体系的沿革，从国家标准导向、加工性、经济性等方面对铅盐、钙锌、有机锡、稀土配方体系进行了分析比较，并对铅盐配方体系的转换方向提出了建议。

QVC products are used by polyvinyl chloride, alumina, detergent and pulp and paper manufacturers.

卡塔尔乙烯基公司的产品主要被聚氯乙烯、氧化铝、洗涤剂和纸浆造纸生产商采用。

The Company is a six-year history has the Hong Kong enterprises, franchise processing polyvinyl chloride particles of raw materials.

本公司是一家具有六年历史的港资企业，专营加工聚氯乙烯原料胶粒。

We stopped discharging polyvinyl chloride, because it rained cats and dogs last night.

昨晚因为下起了大雨，我们停止了卸聚氯乙烯。

Shrink-sleeve labels take advantage of the superior "printability" of polyvinyl chloride, the material most commonly used.

收缩套标签利用上级&印刷&的聚氯乙烯，材料最常用的。

Objective To find new methods to detect Sn in unplastized polyvinyl chloride pipes for drinking water sup2ply.

摘 要：目的建立测定硬聚氯乙烯饮水管材和管件中痕量锡的新方法。

Choice of polyethylene, polyvinyl chloride, copolymers of these materials, and other readily available clear films.

选择聚乙烯、聚氯乙烯、共聚物这些物资等现成清晰电影。

To do well in Greenpeace's rankings, firms must make sure both products and production processes are free of polyvinyl chloride and some BFRs that are not on the RoHS list.

要在绿色和平组织的排名中脱颖而出，公司必须保证在产品和生产工序中不使用聚氯乙烯以及一些不在禁令之列的溴化阻燃剂。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。