查询词典 phenolic resin

Formed activated carbon was prepared by mixing various binders (such as carboxymethyl cellulose, phenolic resin and polyvinyl butyral) and HSAC powder under pressure, followed by various post-treatment. The adsorption behavior of methane on the formed activated carbon was investigated.

以羧甲基纤维素、酚醛树脂及聚乙烯醇缩丁醛为粘结剂进行了超级活性炭的成型，较为详细地考察了粘结剂添加量及粘接剂种类对所制型炭的堆密度、抗压强度及甲烷吸附性能的影响。

A special photocurable acrylic cresol phenolic resin containing free epoxy group which can be dissolved in 1% Na2CO3 was synthesized, it preparation conditions were studied in detail.

摘 要：以含环氧基的光敏性丙烯酸酚醛环氧树脂为原料合成了一种可以在1％的碳酸钠溶液中溶解的光敏性酚醛环氧树脂，研究了该树脂的合成条件及工艺。

Two kinds of cyanate ester of novolac are synthesized with self-made phenolic resin varnish and high purity novolac .

分别以酚醛清漆、高纯酚醛为改性基体制备了酚醛三嗪树脂，并运用热失重分析研究了树脂的耐热性及残炭率。

The chemical modification and physical modification of phenolic resin are introduced roundly in recent years, and their effects on friction performance of brake pad are also discussed.

全面介绍了近年来常用的几种化学和物理改性酚醛树脂方法，以及对刹车片摩擦材料性能的影响。

Phenolic resin is also used as a bonding agent for casting,grinding wheel,friction sli.

为特种行业提供不同指标的产品，满足用户的特殊技术要求。

In this paper,the granite polishing abrasive tools are developed and manufactured by hot-pressing,in which powder phenolic resin is used as bond and a few soft materials are used as abrasives.

研制了一种花岗石抛光磨具，该磨具采用粉末酚醛树脂作结合剂和几种软磨料复配混合热压而成。

With oxalic acid and hexamethylenetetramine as the catalysts, and phenolic resin and tetraethoxysilane as the starting materials, a two-step sol-gel processing is developed for preparing Si〓N〓/SiC precursors with homogeneous microstructure composed of nanometer sized particles.

用草酸和六次甲基四胺为催化剂，酚醛树脂和正硅酸乙脂为原料，探索出了制备结构均匀而精细的Si〓N〓／SiC前驱体的溶胶—凝胶两步法。

To minimize the contamination of detrimental elements such as sulfurand chlorine, a two-step sol-gel process was successfully developed to synthesize SiC precursors with oxalic acid and hexamethylenetetramine HMTA as the catalysts, which are free of sulfur and chlorine. Tetraethoxysilane TEOS and phenolic resin were used as the silicon source and carbon source, respectively.

为了尽量减少硫、氯等有害元素的含量，本文用不含有害元素的草酸和六次甲基四胺HMTA为催化剂，正硅酸乙酯TEOS为硅源，酚醛树脂为碳源，成功探索出了制备SiC前驱体的两步法溶胶-凝胶工艺。

Despite the many advantages over asbestos-based friction material, thermal decomposition or liquescence of phenolic resin due to frictional heating can cause semi-metallic friction material to fade away (a phenomenon of friction decline with operation time).

中文摘要半属基摩擦材主要是使用一种或多种耐热的树脂(以酚醛树脂最为广泛使用)为基材，添加各属粉末或纤维以强化基材，并添加润剂、摩擦调整剂等增加材的磨耗性能，其成份中通常含有超过50 wt%的属成份。

In this paper,the expandable phenolic resin was synthesized by paraformaldehyde and phenol in the presence of aqueous NaOH.

以多聚甲醛和苯酚为原料，合成了适用于酚醛膨胀体制备的酚醛树脂。

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。