聚氯乙烯管

发现用聚氯乙烯管作冷阱时，最佳冷阱介质温度为-140～-150℃，对此提出了O2（1Δ）表面脱活与脱水互相竞争的解释。

We find that the optimum cold medium temperature is - 140 ℃ to - 150 ℃ when the trap is made of PVC . This result is explained by the competition between O 2 ( 1 Δ) quenching and H 2O freeze on wall of the trap .

用热分析法探讨劣质聚氯乙烯管的鉴别方法

A Study on the Inferior PVC Tube by Thermal Analysis

PVC球形树脂是国内外硬聚氯乙烯管专用树脂，详细介绍了国产球型树脂加工性能及其在管材、型材中的应用特点

PVC spherical resin is a special purpose resin used in rigid pipe manufacture both

目前，国内掀起了推广使用PVC-U硬聚氯乙烯管的热潮；

PVC - U pipe is widely popularized to use in China today .

它是由PVC（聚氯乙烯管）管、可充电手机电池、太阳能电池、蜂鸣器、传感器和一个电路组成。

It is made from a PVC ( polyvinyl chloride ) pipe , a rechargeable mobile phone battery , a solar cell , a buzzer , a sensor and an electronic circuit .

另外对不同MDEA含量和不同NCO/OH比值下乳液的流变性能也进行了分析。将阳离子水性聚氨酯固定在医用聚氯乙烯管内壁并对其进行肝素化。

In addition , we also analyzed the rheology properties of the emulsion with different MDEA content and NCO / OH ratio .

硬质聚氯乙烯管专用树脂

The Special PVC Resin for Pipe Use

异步电动机起动等效槽口宽的计算硬聚氯乙烯管铣槽槽口收缩规律的研究

CALCULATING THE EQUIVALENT SLOT WIDTH OF ASYNCHRONOUS MOTOR AT STARTING Research on the Rule of Dimension Decrease in Machining

UPVC（硬聚氯乙烯）管在给排水管道中的安装要素

Key Points for Installation of UPVC Pipe in Water Supply & Drainage Pipeline

硬聚氯乙烯塑料管的联接、增强、设计和应用

The Join , Reinforcement , Design and Application UPVC Plastic Pipe

Ф400聚氯乙烯塑料管在法库给水工程中的应用

Application of Ф 400UPVC Plastic Tube in Faku Water Supplying Engineering

紧密型聚氯乙烯硬管配方的流变性能研究

The rheological properties of prescribed intenseness type PVC rigid pipe

硬质聚氯乙烯排水管安装新工艺初探

Initial Probing of New Technology for Installation of Hard PVC Drainage Pipe

国产聚氯乙烯输液管对替硝唑的吸附作用考察

Study on Adsorption of Tinidazole in PVC Perfusion Tube

硬聚氯乙烯排水管在建筑中的应用探讨

The Discussion On Hard Pvc Drainpipe Applied In Construction

聚氯乙烯塑管混凝土力学性能的试验研究

Experimental Research on Mechanical Properties of PVC-pipe Concrete

聚氯乙烯塑料管在市政排水方面的应用前景分析

Prospect of PVC Pipes Applied in Municipal Drainage

介绍了硬聚氯乙烯排水管的优越性及施工安装中的注意事项。

The advantage of UPVC plastics drain pipe and points for attention in fixing it are put forward .

哈卡拉说，他用聚氯乙烯塑料管制作了这只气球，还在气球上安装了卫星导航，这样他和女友就能追踪到它降落的地点了。

Hakala told that he made the balloon using a PVC pipe and attached a GPS so he and his friends could track where it landed 。

探讨硬聚氯乙烯排水管在实际工程中的应用及存在问题，并提出解决办法。

The methods and the problems of application of hard PVC drainpipes in practical constructions are discussed , and the methods to resolve the probles are put forward .

安装使用硬聚氯乙烯塑料排水管中的注意事项

Points for Attention in fixing and Using UPVC Plastics Drain Pipe

硬聚氯乙烯加筋管的性能及应用

Performance Application of Unplasticized Polyvinyl Chloride Ribbed Wall Pipe

无毒聚氯乙烯透明胸腔引流管（PVC）342例临床使用观察

Clinical Observation in Patients of the Use of Nonpoisonous Plastic Visible Thoracic Catheter ( PVC ) in 342 Patients

喷管（口腔、鼻或妇科等用的喷管），装在喷、雾治疗仪器上农用喷雾器聚氯乙烯（pvc）管

Nozzle ( buccal , nasal , gynaecological etc. ) for aerosol therapy spray poly vinyl chloride hoses for agriculture use

一种可输送高纯水的聚氯乙烯（UPVC）管的研制

Development of UPVC pipe which can be Used to Convey High Purity Water

在埋地状态下硬聚氯乙烯（UPVC）管变形及土体反作用模数实验研究

Study on the Deformation and the Earth Reaction Modulus of Underground UPVC pipes

硬聚氯乙烯（UPVC）管中重金属稳定剂扩散入水中规律的实验研究

The Research on the Diffusion of Heavy Metal Stabilizers in UPVC Pipe to Water

从苏维脱到速微特&《旋式速微特单立管排水系统安装》标准图集简介硬聚氯乙烯螺旋单立管（PPI）的应用与发展

Brief on the Album of Standard Drawings of Spiral Single Stack Discharge System The Application & Development of the Pipe Material-PPI in Building Drainage System

从普通排水管系的工作特性出发，分析了硬聚氯乙烯螺旋单立管的工作原理及其优点。

Proceeding with the working character of building drainage system , the principle of PPI is analyzed in the paper .