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Artificial mechanical cardiac valve was produced by Lanzhou Flight Control Instrument Factory. Prosthetic valve frame was acid-resisting chrome-nickel alloy of high intensity, valve ring was polyester filament fabric, valve was consisted of graphite matrix in interior and deposited hydrolytic carbon on surface.

人工机械心脏瓣膜由兰州飞控医疗仪器厂生产，为C-LⅠ型短柱人工机械心脏瓣膜，瓣架为高强度耐酸铬镍合金，瓣片的内部为石墨基体，表面为沉积热解碳，瓣环为涤纶长丝织物。

Of equipment; without a motor and intended for hand operation("a manual keypunch";"a manual typewriter").

对设备而言，指无马达和用手操作的设备（如人工键穿孔机、人工打字机）。

Is it direct against artificial reproduction development history, meaning, type attitude of technology offer introduction to come and then, can is it analyse why artificial reproduction technology will bring to law of the child of legitimate birth and strike quite to go thoroughly after not understanding, especially surrogate mother's technology.

再来就是针对人工生殖技术的发展史、意义以及型态给予介绍，当了解之后方能更加深入去剖析为什麼人工生殖技术会给婚生性带来冲击，特别是代理孕母技术。

Methods Five patients with leucoma induced by chemical burn and blast received Yakimenko keratoprothesis implantation.

应用Yakimenko型人工角膜对4例化学烧伤后角膜白斑和1例爆炸伤后的角膜白斑进行了穿透人工角膜植入术。

INTERVENTIONS: Right femoral stem was exposed under aseptic operation for the establishment of osseous defect model with a 10 mm defect. HA mass artificial osseous graft + HA-coated titanium plate fixation were used in study group; HA mass artificial osseous graft + common titanium plate or stainless steel plate were used in control group.

干预：动物在无菌操作下显露右股骨干，造成一长约10 mm的骨缺损模型，实验组用HA块状人工骨植骨+HA涂层钛板固定，对照组用或不用HA块状人工骨植骨+普通钛板或不锈钢骨板固定，分别于术后2，4，6，8，12，16周取出标本进行大体形态观察和组织学观察。

To objectively evaluate the surgical trauma to the basilar membrane of the cochlea after cochlear implant electrode insertion through analyzing the thresholds of cochlear microphonic of round window electrocochleography recording pre and post cochlear implant operation.

分析人工耳蜗电极植入前后圆窗耳蜗电图中耳蜗微音电位阈值的变化，以客观评估人工耳蜗植入手术是否对耳蜗基底膜造成损伤。

BP model in artificial nerve net model is adopted to predict stuck operating mode in drilling well and artificial nerve net software in predicting system is developed in the paper.

采用人工神经网络模型中BP模型对现场的钻井工况进行卡钻预测，并开发了人工神经网络实时卡钻预测系统软件。

Aim To study the biocompatibility of Dacron vascular prosthesis surface in rabbit model coated with 2-methacryloyloxyethyl phosphorylcholine by ozonization.

目的 通过臭氧活化的方法在涤纶人工血管表面接枝2-甲基丙稀酰氧基乙基磷酰胆碱，进行接枝后人工血管血液相容性研究。

Objective To research and develop the preoperative super-selection system for selecting proper prosthesis for patients.

目的研究开发人工髋关节术前优选系统，为患者选择最优的人工髋关节。

Methods The causes and managements of posterior chamber IOL dislocation in 23 eyes were analyzed. The managements included pupillary dilatation with 1% tropicamide, replacement, operative reduction, reimplantation after vitrectomy and removement of IOLs.

对23例23眼后房型人工晶状体脱位的原因进行分析；采用托吡卡胺散瞳复位、单纯手术复位、前段玻璃体切除单纯取出再植入、更换和取出人工晶状体等方法进行处理。

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