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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.根据晋江文学城作者折纸蚂蚁小说《军装下的绕指柔》改编，聚焦特种兵与军医两种职业，从全新角度塑造了男主角梁牧泽的军人形象。他与军医夏初一同追求理想，履行军人的职责与使命，也收获了历经生死的爱情。Five, the difference between mind map and traditional linear note-takingSince it is called, as the name implies, the front section is separated like toes. Of course, this is not just for the sake of good looks. There are other functions and ideas. We will talk about them later.书生连忙钻过人群凑上前去《维京传奇：英灵神殿》的背景设定在一千多年前的 11 世纪初期，记载了有史以来最著名的诸维京人物的冒险事迹：传奇探险家莱夫埃里克松（山姆科利特饰）、他脾气火爆而任性的妹妹弗蕾迪丝埃里克斯多特（弗丽达古斯塔夫松饰），还有野心勃勃的北欧王子哈拉尔西居尔松（里奥苏特饰）。维京人与英国皇室之间已剑拔弩张，同时维京人内部也因基督教和异教信仰的矛盾而发生冲突，在此背景下，三个维京人开始了一场史诗般的旅程，从卡特加特到英格兰甚至更远，她/他们将穿越大洋和战场，为生存和荣耀而战。