置换的

Product 11 was transformed to the 2,6-difluoropyridine-4-carboxylic acid (12; 87%) by consecutive halogen/metal permutation and carboxylation.

产品11个，转化为2，6 -二氟- 4 -羧酸（12； 87％）的连续卤素/金属置换和羧化。

ABSTRACT］ Objective: To summarize the experience of fasttrack anaesthesia in cardia valve replacement operation.

目的：总结"快通道"麻醉在重症瓣膜置换术中的处理经验。

AIM To investigate the effect of ultrafiltration in cardiopulmonary bypass in valve replacement patients.

目的 探讨超滤在瓣膜置换术患者体外循环中应用的效果。

An increase in cation exchange capacity of the tissue should be observed .

可以观察到植物组织中阳离子置换能力的提高。

The results showed that the technique was useful for the separation of simulated protein mixture and simple cellulase compound.

结果显示，置换层析技术对模拟混合蛋白和简单纤维素酶混合物具有很好的分离作用。

Objective To explore the curative effects of exchange of cerebrospinal fluid for the treatment of subarachnoid hemorrhage.

目的 探讨脑脊液置换术治疗蛛网膜下腔出血的临床效果。

In order to produce environment-friendly cement,cement clinker was partly replaced by limestone powder in laboratory.

为生产环境型水泥，用石灰石粉置换部分水泥熟料的方法进行了实验。

We performed a retrospective review of 25 patients who underwent arthroscopic debridement after primary TKA to treat the patellar clunk syndrome (15 knees) or patellofemoral synovial hyperplasia (10 knees).

我们开展了一项回顾性研究，对象为25位在首次全膝置换术后接受过关节镜清理术的病人。其中15例是因为髌骨撞击综合征，另外10例是因为髌骨关节滑膜增生。

Consequently, when total hip arthroplasty seems indicated, patients must be ealuated carefully, especially for systemic disorders and for general debility that may contraindicate an electie major operation.

因此，当需要行全髋关节置换时，必须对病人作细致的评估，特别当患者有系统性疾病和全身衰弱时，不应行这种大手术。

From May 2007 to May 2008, 15 cases of osteoarthritis and 11 cases of rheumatoid arthritis, a total of 34 knees involved, including 7 males and 19 females, aged 52-67 years, were admitted to Depratment of Knee Joint, Luoyang Hospital of Orthopaedics and Traumatics. All patients underwent primary total knee replacements using Corin rotaglide knee replacement system.

回顾性分析2007-05/2008-05河南省洛阳正骨医院膝部损伤科收治的骨性关节炎患者15例及类风湿性关节炎患者11例（共34膝），男7例，女19例，年龄52~67岁；均为初次行膝关节置换，所用假体为英国Corin Rotaglide全膝关节假体。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐