The utility model relates to a filter, comprising at lest one filtering unit, the filtering unit is provided with a filtering channel, the filtering channel is provided with an inlet and an outlet, the utility model is characterized in that the filtering unit comprises at least one groove, the groov.....
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一、项目基本情况 非均相催化法制备生物柴油,是通过自主研发的非均相催化剂制备生物柴油。 目前已经合成近四十种具有杂多酸结构的催化剂,在生物柴油催化剂合成和物理化学性质方面研究有着良好的基础。项目开发的基于杂多酸和水滑石为主要活性成分的纳米固体酸碱催化剂,具有高比表面积、高催化活性,用量少,催化效率高,基本没有环境污染的优势。研究发现固体酸碱催化剂与反应物形成非均相反应体系,容易分离、无设备腐蚀和环境污染,且易回收、可重复使用、可实现连续生产等优点。 二、合作方式 项目前期已经合成了近四十种具有杂多酸结构的催化剂,完成实验室小试,截至2012上半年,项目.....
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本書為《澳門叢書》系列書籍之一,收錄了作者有關“一國兩制”及“澳門特別行政區基本法”研究的重要論文,內容涉及“一國兩制”在澳門成功實施的基本因素、澳門基本法對澳門法律觀念的影響、澳門基本法與澳門法律本地化、澳門基本法與言論自由的界限、澳門居民的基本權利和自由的重要保障、基本法的解釋問題等。作者/Author: 駱偉建出版社/Publisher: 廣東人民出版社
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The present invention provides a novel potassium-sodium niobate zirconium barium titanate series leadless piezoelectric ceramic composition which comprises perovskite type piezoelectrics KNaNbO3 and strong ferroelectrics Ba(TiZr)O3, the general formula is represented by (1-z)(KNa)NbO3-zBa(TiZr)O3, i.....
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Mode photonic crystal fiber comprises a core of a substantially transparent material having a core. Said core material having a core refractive index and length, and having a core diameter. Surrounding said optical fiber further comprises a core material at the outer cladding region. The cladding re.....
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