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拯救 沦陷的故乡 ——专访东方农道执行董事王磊（下）_中华网
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33 nous indrets ja són Patrimoni Mundial de la Unesco: Madrid hi suma el Passeig del Prado
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传统的角膜移植手术通过显微缝线固定，但是缝线对于人体而言是一个异物，可能会诱发移植排斥的风险，引发散光、缝线感染等并发症。
既然“缝”起来效果不太好，那么能不能试试“粘”起来？
“粘”的方法在医学上确实可行。但是，常用的化合粘合剂氰基丙烯酸酯具有一定毒性、缺乏透明度和柔韧性，而且在聚合过程发生产热效应，患者的眼睛会有刺痛感。而生物粘合剂纤维蛋白胶虽然安全性较好，但是却具有低粘附强度的缺点，作为血液制品，生物粘合剂也有一定的疾病传播风险。
有没有粘合度高、安全性好的粘合剂？经过一年多的联合攻关，袁进团队设计了一种基于甲基丙烯酰化明胶的粘合性水凝胶，并通过引入氧化葡聚糖在可见光下固化形成紧密、牢固的双网络、双交联凝胶，
实现快速有效、安全固化与粘合。
China s 2021 box office revenue hits 25 bln yuan
Xinhua
28 May 2021, 11:49 GMT+10
BEIJING, May 28 (Xinhua) China s 2021 box office revenue topped 25 billion yuan (about 3.90 billion U.S. dollars) as of Friday morning. Eight of the top 10 earners this year at China s box office are domestic productions, according to the China Movie Data Information Network. Comedian and actress Jia Ling s maiden directorial project Hi, Mom and Wanda Pictures comedy Detective Chinatown 3 led the yearly chart, with total earnings of 5.41 billion yuan and 4.52 billion yuan respectively. U.S. movie Godzilla vs Kong currently ranks third with a total revenue of 1.23 billion yuan. The other foreign film that has made it among the top ten earners is Universal Pictures F9: The Fast Saga.
黑龙江勇闯新路五年间_龙江_黑龙江网络广播电视台
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