The present invention relates to a preparation of shape memory polyurethane shape memory fiber and its preparation method, the shape memory polyurethane is a hydroxyl group-containing organic polymer material, a chain extender, a diisocyanate, blocking agent, the molar ratio of 1: 1-3:2.4-4.8:0.8-1......
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The utility model relates to an electronic device for detecting atherosclerosis. The device includes an ECG sensor for collecting ECG signals, an ECG amplifier connected with the ECG sensor for amplifying the ECG signals collected by the ECG amplifier, a voltage comparator connected with the ECG amp.....
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阻止互联网几乎是不可能的。不是要消除世界上的病毒,而是要在人们心里培育能够战胜病毒的力量!作者/Author: 朴玉洙出版社/Publisher: GOOD NEWS HONG KONG CHURCH LIMITED
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The present invention relates to a shape memory fiber and its preparation method, the shape memory fibers are made from a shape memory polyurethane, said polyurethane formed by the reversible phase component (A) to form a fixed phase component (B) prepared by . The shape memory fiber preparation met.....
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從曠野生活到聖殿建起,使神能居住在以色列百姓中間的會幕,是摩西照著神在西奈山顯給他的樣式造的。有好多敬畏神的人照著《出埃及記》25—40章的內容,造了會幕的模型。其中通過以Paul F.kiene為中心,在各部門專家的縝密考證下縮小製成的珍藏在阿母斯特丹聖書博物館裡的模型,被認為是與摩西時代的會幕最接近的。作者/Author: 朴玉洙出版社/Publisher: GOOD NEWS HONG KONG CHURCH LIMITED
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