置换

A process of alkaline hard chromium plating on aluminum alloy was presented,including oil removal,dipping in heavy metal solution,acid pickling,dipping in zinc solution,hard chromium plating.

1前言铝合金电镀硬铬，是利用强碱性的锌酸盐溶液在置换锌层上直接镀铬，其工艺成熟，操作简便、易行。

As I know, there is no top age limitation on the Total Hip Replacement. I heard a 14 years old dog went through hip replacement before.

就我所知，人工髋关节置换手术并无年龄限制，我还听过有只14岁的狗狗动这种手术。

Free fees for processing for registration of land from collective ownership to national ownership in the district .2.All the roads and facility of water,electricity,greens ,water supply and drainage is solved by Hanting district,Also being built by developers by land changing.

六、有关政策：1、办理集体土地转为国有土地手续，免收区及区以下各类收费2、城区主次道路及和主次道路配套的水、电、绿化、供排水等设施有区政府统一配套，或由开发商以土地置换式建设3、所有建筑的地下建筑部分免缴配套费4、建筑高度大于25米（即住宅约8层，办公、金融、商务等约7层）以上建筑面积免收城市建设配套费。

The adoption of filling blast furnace dry slags,applying plastic draining board and dynamic transfer ramming strengthening method for consolidation of soft soil foundation has increased its foundation bearing capacity from 80 kPa up to 220 kPa.

经采用填高炉干渣、打塑料排水板，并进行动力置换强夯，使地基容许承载力从80kPa提高到220kPa，并消除了液化，地层内15m范围内各项指标均有所改善。

Recently, a new horizontal belt washer has been developed successfully. It can reduce the energy requirement of a pulp mill substantially as compared with drum washer, and operate very efficient as displacement washing at low dilution factor.

近年来，新发展成功之水平带状洗浆机，和筒式洗浆机比较显示，除可降低浆厂能源需求外，同时藉高效率的置换洗涤，可以於低稀释因子下操作。

For example: automatic temperature control, scattered converter (Patent No. 992398789), the modular air conditioning unit, temperature control, electrical control of the (cyclone air jet vents spherical, drum-shaped vents) and the temperature of the casual bar adjustable air volume flow, and replacement air, a pressure-type lifting-type air conditioners, high-grade muffler, all heat exchangers, air volume control valve setting, hospital operating rooms dedicated air-conditioning units and other products to improve and perfect the fan disk pipe, variable air volume air conditioners, aluminum tuyere, Pai fans and other products; to enhance the enterprise in the market's competitiveness and vitality.

自动温控散流器（专利号992398789）、组合式空调机组（拥有8项专利技术）、温控、电控的（旋流风口、射流球型喷口、鼓形喷口）和温控的条形可调风量散流器、置换风口、压出式吊装型空调器、高等级消声器、全热交换器、定风量调节阀、医院手术室专用空调机组等系列产品，改进并完善了风机盘管、变风量空调器、铝质风口、排风扇等产品；增强了企业在市场中的竞争能力和活力。

Conclusion］simultaneous multiple joint replacement is an alternative protocol to the patients with multiple joint disorders.finished under a single aesthesia and in a single hospital stay.

结论］多关节同期置换只需一次麻醉，一次住院，完成多个手术，花费少，康复快；尽管手术难度大，创伤较大，但只要严格选择病例，术前、术中、术后处理得当，并发症发生率并未过度升高。

To investigate the efficacy and safety of bone allograft in the treatment of infected total hip arthroplasty.

探讨异体骨植骨在髋关节置换术后感染治疗上的有效性及可行性。

The bone allograft is effective and safe in the treatment of infection after total hip replacement.

结论在治疗髋关节置换术后感染时使用异体植骨是有效可行的。

Objective To probe into the methods for determination of the anteverted and abducted angel of osteo-acetabula,with positive radiographs of hip joints and significance for the accurate place for the acetabu-la in total hip replacement.

目的探讨在髋关节正位X线片测量骨性髋臼前倾角、外展角的方法及对全髋关节置换手术中髋臼精确安置的指导意义。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。