Acylase I was immobilized on Y-type molecular sieve by using 4 kinds of methods, namely, adsorption, adsorption-crosslink, coupling and coupling-diazotization.
以Y型分子筛为载体，分别采用吸附法、吸附-戊二醛交联法、偶联法和偶联-重氮法4种方法对氨基酰化酶i进行固定化。
Objective: to investigate the effects of 4 kinds of myocardial protection methods on the myocardial membrane-proteins (MMPs), and to evaluate their cardioprotective effects.
目的：研究4种心肌保护方法对心肌细胞质膜蛋白结构和功能的影响，评价其心肌保护效果。
Methods 301 children with asthma were tested using 14 kinds of inhalation allergens and 4 kinds of food allergens.
方法应用阿罗格点刺液，对301例支气管哮喘患儿进行14种吸入性变应原及4种食物变应原测试。
Methods: Review analysis the image of 58 cases 4 kinds of familiar thyroid nodules pathologic change performance confirmed by operation and pathology.
方法：回顾性分析经手术及病理证实的58例4种常见的甲状腺结节病变的影像表现。
Methods: the proposed method of the microbial limit tests of 4 kinds of oral cefradine was compared and verified by 2 strains of bacterium and 2 strains of fungus.
方法：以2株细菌、2株真菌对4种口服头孢拉定制剂做了微生物限度检查方法学的比较和验证实验。
Methods: Proteins of C. albicans were extracted step-by-step with 4 kinds of solutions with different solubilities.
方法：利用四种溶解能力不同的溶液分步提取白念珠菌总蛋白。
Methods: Proteins of C. albicans were extracted step-by-step with 4 kinds of solutions with different solubilities.
方法：利用四种溶解能力不同的溶液分步提取白念珠菌总蛋白。
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