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A powdered NR with particle size smaller than 5 μm was prepared from NR latex filled with supersonically dispersed suspension of carbon black by spray drying method and its curing behaviour was studied.

以超声分散的炭黑悬浮液填充天然胶乳，采用喷雾干燥法制备粒径小于5μm的粉末橡胶。

We studied effects of two kinds of surfactants on the particle contents and wear resistance of composite coatings.

引 言随着电沉积技术的发展和日趋成熟，复合镀层的研究已经成为国内外许多学者研究的热点[1 7]。

Experimental results indicated that an introduction of small amount of gas into the expansion chamber could adjusted the particle flow pattern and flow rate effectively.

本文还对多级膨胀连续排灰系统在实际运行中必不可少的调控问题进行了探索，提出了气力调控方案。

A two-fluid model together with a k-ε-kp two-phase turbulence model is used to predict swirling gas-particle flows in coaxial jets discharged into a sudden expansion chamber.

由统一二阶矩的两相湍流模型出发，在各向同性的条件下获得k－ε－kp两相湍流模型。

The milk particle thus sprayed are evaporated into milk powder by heated air forced into the chamber.

把已经喷雾过的奶颗粒，通过压进干燥室的热空气干燥成奶粉。

Effects of particle size, extraction time and extraction temperature on the yield of essential oil were investigated.

考察了原料颗粒度、提取时间、提取温度等因素对花椒精油提取得率的影响。

In principle, there are two topologically disconnected outer gaps in the magnetosphere of a pulsar. Both incoming and outgoing particle flows are allowed.

在脉冲星的磁层中，原则上有两个拓扑分离的外隙，允许同时进入和流出粒子。

Electrostatic induction based spatial filtering technique for solid particle velocity measurement has the advantages of the simplicity of measurement system and the convenience of data processing.

基于静电传感器空间滤波技术的气固两相流颗粒速度测量方法具有结构简单、数据处理方便等特点。

Emphasis: The process of Various alkylation reagent producing electrophilic particle under different catalyzer and reaction mechanism of alkylation.

重点：各种烷化试剂在不同催化剂作用下亲电质点的产生和烷化反应历程。

Difficulty: The process of various catalyzer producing electrophilic particle.

难点：各种催化剂产生亲电质点的过程。

Putt your way through 36 fun-filled holes of minigolf on 3D designed courses with elevated greens, bunkers, bridges and water hazards, among other crazy obstacles.

您的推杆方式，通过36个有趣的填孔迷你的三维设计的课程，以提升绿党，掩体，桥梁和水的危害，除其他疯狂的障碍。

Some participles can be used either as attributes or as predicatives.

有些分词既可当定语用，也可当表语用。