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The half-life periods of immobilized and free lactase were 24 and 9 d resp.

固定化乳糖酶和游离酶的半衰期分别为24和9 d。

At the natural pH value of milk, the immobilized lactase was more suitable than free lactase.

结论］在牛奶的天然pH值下，固定化乳糖酶比游离酶更适用。

BACKGROUND: Direct laryngoscopy is difficult when the cervicalspine is immobilized.

背景：直接咽喉镜在颈椎被颈套固定的病人使用是困难的。

The batch-fermentation and fed-batch fermentation of dilute-acid lignocellulose hydrolysates to ethanol using different mixed immobilized cells have been studied.

利用不同菌种的固定化细胞对木质纤维素稀酸水解液进行乙醇发酵，对2#菌进行了以木糖为底物7个批次的驯化培养。

The interactions of DNA immobilized on the HAp film with methylene blue were investigated by means of cyclic voltammetry.

采用循环伏安法系统研究了固定在HAp薄膜上的DNA与亚甲基蓝之间的相互作用。

Lipid bilayer membrane containing monomeric bovine cytochrome c oxidase was successfully immobilized in gold quartz crystal microbalance electrodes.

含有单体牛细胞色素c氧化酶的脂质双层膜，被成功地固定在金石英晶体微平衡电极上。

In this work, Nafion Xan-thine oxidase and Au colloid were immobilized on the surface of Pt microelectrode, respectively.

该文成功地将金溶胶、黄嘌呤氧化酶及Nafion依次修饰在微铂电极表面，研制成了一种新型的次黄嘌呤微生物传感器。

Immobilized on the sensor Au surface by using self-assembled monolayer technology, and then a series of dynamic change

表面抗原和乙肝表面单克隆抗体的结合、解离以及传感器敏感膜的再生等动态变化过程。

Counters:The Anti-tank Halftrack's Treadbreaker ability is invaluable for taking out Motor Pool vehicles. Keep the Anti-tank Halftrack at maximum range once the enemy vehicle is immobilized.

AT车的断腿很适合对付轻车厂的单位一旦敌军被断腿，把AT车撤到它的最远射程防止敌人困兽犹斗RP爆发打爆你的AT车

Yrica rubra tannin, extracted from myrica rubra bark, was immobilized on collagen fibre through crosslinking reaction.

以胶原纤维为基质，通过交联剂将杨梅单宁固化在胶原纤维上制备吸附材料。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。