发泡

The best foaming condition is happened by adding 7% PYA resin and 4% foaming agent.

实验结果显示聚七烯醇树脂浓度为7%及发剂添加比例为4%时具有最佳发结构。

The preparation of ADC foaming agent from biurea by dioxygen catalytic oxidation was investigated and discussed.

对用分子氧催化氧化联二脲制取ADC发剂进行了探讨。

High quality vesicant rubber.Stand mat could absorb the club head shock;it is durable;flexible;ametabolic.

优质尼龙草皮抗击打、耐冲击、耐磨、吸振、底部为高质发，弹性好不变形。

This machine is mostly used for the machine serially foaming unlimited long slicking of foam rubber .

本机主要用于机械连续发绵无限长切片工作。

The purpose of this paper is to study the radar absorbing effect of foamglass with graphite as vesicant.

本文目是研究石墨作发剂沫玻璃微波吸收特性。

The imitated stainless steel decorative listel is made of foamed PVC , and hot pressed filmed surface.

●仿不锈钢装饰腰材是由PVC发而成，表面采用热烫印膜。

Research of the influences of Foam Expansion Ratio (FER) and the stability of foam to the cutterhead torque.

通过对试验结果分析,得出气稳定性以及发倍率对刀盘扭矩影响规律。

Polyurethane foaming box ensures good heat preservation capacity, and so ice cubes become more melting-resistible and can be stored longer.

聚氨酯发箱体，保温性能好，储冰时间长，不易融化。

The outer door is a polyurethane foamy one with a glazing unit observation window, for better perspectivity and heat preservation.

外门为聚氨脂发门，中空玻璃观察窗，透视性好，保温性能好。

The composition. properties, reaction activity, capacity of frothing and defrothing of phosphate rock and the preparation, thickening and clarification of wet phosphoric acid are stutiied.

对胺磷矿组成和性质，胺磷矿反应活性、发及消性能，湿法磷酸制备及磷酸浓缩和澄清进行了试验研究。

A foamable phenolic resin was prepared,through addition,condensation,in the presence of alkali.The resin was foamed with surfactant, foamer,solidifying agent , then the foam phenolplast was given .

苯酚与甲醛在碱性条件下经加成、缩合制得可发性酚醛树脂，该树脂和表面活性剂、发剂、固化剂一起发即得酚醛沫塑料。