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- The conditions of preparing expansible graphite were optimized and factors affecting expansion volume were obtained. 膨胀容积是影响膨胀石墨产品质量的重要因素。
- EXPANSION GRAPHITE COMPOUND REINFORED SPACER 膨胀石墨复合增强垫片
- Meanwhile it explores the application of expansible graphite as a flame retarding material. 同时对膨胀石墨在阻燃材料方向的应用进行了探讨。
- The absorbability of petrolic oil on the expansive graphite has been researched. 本文研究了膨胀石墨对汽机油的吸附性性能。
- The optimum condition for synthesis of ethyl acetate catalyzed by expansible graphite was investigated through orthogonal test. 摘要通过正交实验研究了可膨胀石墨的催化合成乙酸乙酯的最佳条件。
- The catalytic mechanism of expansible graphite in esterification and the causes behind the lower esterification were discussed. 推断了可膨胀石墨在乙酸乙酯合成中的催化作用机理，分析了可膨胀石墨催化乙酸乙酯合成产率偏低的原因。
- The expansive graphite shows a larger adsorption capacity to petrolic oil,which is very good for removing oil from water with degreasing rate of 99%. 结果表明,膨胀石墨对汽机油具有较大吸附量,清除水中汽机油的效果很好,除油率高达99%25以上。
- The expansible graphite with high expanded volume was prepared in mixed acids solution with potassium permanganate as oxidizing agent and ferric trichloride as inserting agent. 研究了一种以天然石墨和硫酸、硝酸的混酸为原料,高锰酸钾为氧化剂,三氯化铁为插入剂制备高膨胀容积可膨胀石墨的新方法。
- The features of the expansible graphite and its application in the expansible fireproof coatings are introduced. The development prospects thereof are forecasted. 介绍了可膨胀石墨的特性及其在膨胀型防火涂料中的应用特点,并对其发展前景进行了展望。
- Keywords Bellow mechanical seal;expansion graphite packing seal;Leakage; 波纹管机械密封;膨胀石墨填料密封;泄漏;
- Metals undergo expansion when heated. 金属加热时会膨胀。
- Graphite is a soft black substance. 石墨是一种软而黑的物质。
- Graphite is used in making lead pencils. 石墨常被用来做成铅笔。
- A kind of environmentally friendly waterborne tert-fluoro electroconductive coatings with more excellent performances is prepared with graphite, expansible graphite and carbon fiber respectively. 用石墨、膨胀石墨、碳纤维三种不同的炭系填料制备了既环保、又具有比一般涂料更优异的性能的水性叔氟导电涂料。
- The suburbs are an expansion of cities. 郊区是城市的延伸。
- A sealing gasket for slide nozzle is developed by using corundum and expansible graphite as major starting materials,clay and thermal plastic resin as auxiliary materials,metallic powder as additive. 以刚玉和膨胀石墨为主原料,粘土和热塑性树脂等为辅料,试制出气密性、高温膨胀性、抗侵蚀性和分离性优良的滑动水口密封垫。
- The fine flake expansive graphite applied to fireproofing coating was prepared with sulphuric acid,nitric acid and iron chloride as intercalation inserters under strong oxidization. 以硫酸、硝酸、氯化铁为浸泡剂,在强氧化剂的作用下,对防火涂料用可膨胀石墨的制备进行了研究,探讨了各种因素对石墨膨胀容积的影响。
- This book is an expansion of the play he wrote before. 这本书是他以前写的剧本的扩充。
- His economic policies paved the way for industrial expansion. 他的经济政策为工业的扩展铺平了道路。
- The expansion is fund completely by the private sector. 此项发展是完全由私营部门出资的。
