铝合金

A high performance and decorative coatings for aluminum alloy railway carriage was developed.

研制了铝合金列车车厢用的高性能、高装饰性涂料。

In the theatre roofing system,Kalzip alluminum alloy desk was used as rainproof roofing board,and decoration layer was fixed onto the board rib by fastenings.

杭州大剧院屋面系统采用Kalzip铝合金板作为防水屋面板，装饰层通过连接件固定于屋面板的板肋上。

Role of rare earth in aluminum alloy .

稀土在铝合金中的行为。

The results show that the recrystallization activation energy of both materials is larger than that of aluminum self-diffusion activation energy.

结果表明，两种材料的再结晶激活能均大于纯Al的自扩散激活能，并且复合材料的再结晶激活能略大于铝合金基体的再结晶激活能。

The review about the recent research results and the development status of grain refiner is presented.

综述近些年来铝合金晶粒细化剂的研究与应用状况。

And semi-continuous casting of Al alloys, the grain refiner of Al-Ti-B, Al-Ti-C will be used more widely.

随着铝合金半连续和连续铸造的发展，Al-Ti-B、Al-Ti-C细化剂将得到更加广泛的应用。

Mm x 1.4 mm profile, and finished with an RAL 9010 white powder coat then applied with bright red reflective tape strips.

圆形挡杆(？ 74 mm x1.4 mm)用铝合金制成，外加白色喷粉处理，加上明亮的红色反射带。

This boom is extruded from highly stable aluminum alloy to produce an octagonal profile of 100 mm x 55 mm x 1.6 mm and finished with an RAL 9010 white powder coat then applied with bright red reflective tape strips.

八角型挡杆(100 mm x 55 mm x 1.6 mm)用铝合金制成，外加白色喷粉处理，加上明亮的红色反射带。

During that time, Germany莱兹, Carolina, Zeiss and other companies to develop and produce a small volume, such as aluminum alloy body and two-lens single-lens reflex camera.

这段时间内，德国的莱兹、罗莱、蔡司等公司研制生产出了小体积、铝合金机身等双镜头及单镜头反光照相机。

The main research content is: Using the experimental of cutting force and roughness of high speed face milling cutter and high speed end milling cutter mill aluminium alloy and cast iron, analyze the rules of the high speed milling velocity, feed rate per tooth, milling depth and milling width to high speed processing. Use multiple linear regression method, set up surface roughness and the cutting force fluctuation models. Certify the regression model notability, and provide a reliable guarantee for the accuracy of function optimization. Based on the targets of productivity, manufacturing cost, surface roughness, cutting force fluctuation optimization model, according to research of the high speed milling parameters selecting restrict of work piece, machine, tool and safety, set up high speed milling parameters multi-object optimization system.

本文以已有的高速铣削机理及高速刀具技术研究成果为基础，结合高速铣削试验，进行了基于遗传算法的高速铣削参数优化研究与系统开发，主要的研究内容为：通过高速面铣刀和高速立铣刀加工铝合金和铸铁等材料的切削力和表面粗糙度试验，进行了铣削速度、每齿进给量、铣削深度和铣削宽度对高速铣削加工过程影响的研究；采用多元线形回归的方法，建立了切削力及其振幅和表面粗糙度模型，并对模型的显著性进行验证，为高速铣削参数优化模型的建立奠定了基础。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。