An ultraviolet detector, comprising the structure: one sapphire substrate layer; a high temperature AlN buffer layer grown on the sapphire substrate layer, the high temperature AlN buffer layer is 740 ℃ ~ 820 ℃ temperature obtained under; one temperature GaN buffer layer grown on the high temperatur.....
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The present invention relates a scanable product made of a physical object and an ID Container, such ID Container possessing on its memory a Unique ID and a stored coded locking mechanism. The stored coded locking mechanism is generated by inputting physimetric property of the physical object and it.....
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The invention provides a wax regenerative heaters, comprising: Insulation casing; barrel body, which is accommodated in the insulating housing, the contents of the barrel is placed water; heat exchange coil, coiled manner which is accommodated in The barrel body, and has a water inlet and outlet; an.....
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研发背景：病毒性肝炎是我国的重大病种，我国肝炎防治工作仍然面临严峻形势。目前中国有1.2亿人携带慢性乙肝病毒，慢性乙肝患者约3000万人。71%的肝癌由乙型肝炎发展而来，每年因肝病死亡人数超30万人。加上其它种类的肝病，我国肝病的治疗费用超4百亿元/年。由于治疗病毒性肝炎的药物品种少，具有自我知识产权的药物更少，所以研发治疗肝炎新药的任务非常紧迫。无花果根和叶提取物是一种新天然药物。在药效的评价过程中发现无花果根和叶提取物不仅具有一定抗乙肝病毒的作用，还有良好的抗化学中毒性肝炎的作用。在抗化学中毒性肝炎方面，具有抗四氯化碳、二甲基甲酰胺、可卡因、扑热息痛、硫代乙酰胺等引起的中毒性肝炎的作用，其.....
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