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　　黄旭华（黄晓明 饰）：以核潜艇下潜极限为故事压力点和戏剧转折点，再现我国自主研发核潜艇的艰难历程。《终极证据》讲述了一名叫周强的男子坠楼身亡，刑侦大队对此案展开调查，随着案情深入，一件件让队长冯涛等人大感意外的线索逐一出现。死者周强竟是警方卧底，打入犯罪集团的他死因可疑，其妻在事发之日竟然意外出现，而同为卧底的姜南身份相当可疑。究竟是谁杀死了周强，“绝密档案”隐藏着怎样的秘密，关键证物踪迹何在……《终极证据》将以悬念迭出的方式讲述一个突发案件背后的种种疑团。Thromboembolic diseases are currently one of the causes that endanger human health and lead to the highest mortality rate, such as myocardial infarction, cerebral thrombosis, deep vein thrombosis, cerebral embolism, pulmonary embolism, etc. In addition, thrombosis is an important pathological process involved in the pathogenesis of many diseases. 1. Anticoagulant therapy (1) Heparin: Heparin is a commonly used anticoagulant and is a highly sulfated glucosaminoglycan. Heparin is widely found in mammalian tissues, and mast cells are the main producing sites. The main sources of medicinal heparin are bovine lung and pig intestinal mucosa. Heparin used clinically is called unfraction heparin (UFH) because it is a mixture of components with different relative molecular weights. The relative molecular weight is between 33,000 and 30,000, which is also called standard heparin (SH). The drug name is heparin sodium. (2) Low molecular weight heparin: crude heparin is cracked into some fraction with relative molecular mass of 1000 ~ 12000 by chemical or enzymatic hydrolysis methods, and then purified. There are at least 10 kinds of low molecular weight heparin prepared by different manufacturers and different methods.Chang is good. "Zhang Xiaobo said.Tongren1