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 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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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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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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我国是全球肝癌高发区,每年约20万人死于肝癌,占全球肝癌死亡人数的一半左右。现代医学对肝癌进行科学研究一百多年,虽然取得了不少成绩,但肝癌人群的总体5年生存率至今仍只有3%左右,而提高肝癌预后的最大障碍是其极高的复发率,即使是根治性手术切除,仍有50%的病人会在5年内出现转移或复发。因此,预测肝癌病人术后复发以便早期进行必要的干预是进一步改善肝癌预后的关键。目前临床上虽然有一些预测肝癌预后的标志物,但对于早期肝癌(TNM分期I期)及甲胎蛋白(AFP)阴性肝癌病人仍缺乏有效的预测手段。我们前期研究表明,利用基因芯片技术筛选癌中的差异表达基因可以来预测肝癌术后复发。大量研究表明肿瘤干细胞是肿瘤转移.....
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