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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.10. Heavy manual labor can be refused.The picture shows the concept of cloud manufacturing and the process from traditional manufacturing to intelligent manufacturing, to intelligent manufacturing and to today's cloud manufacturing.改编于上海滑稽戏经典剧目《唐伯虎点秋香》，沪上著名笑星王汝刚和钱泳辰、文松、潘前卫 演绎四大才子，以沪语及南北方言为主要形态，用电视剧的形式演绎经典喜剧故事。You can use the joystick or mouse to control the flight simulator function. To use the mouse, click the mouse in the center of the screen to change the cursor to + (cross). You can pause or continue the flight simulator at any time by pressing the space bar.1.「看不见的沉淀」可是，板栗把那螃蟹壳子啥的，全掰扔了，最后只剩下一点子肉跟蟹黄。