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This paper introduces a Large scale Cold-roll deep cooling reinforce equipment which is the equipment can ultralow temperature reinforce for high alloy steel,high-speed steel roller. It use the advanced technology by liquidnitrogen-boilaway,through the patented design of case cover structure ,locking equipment and sealability(had registered two utility model patent)which is assured the technical target like temperature uniformity and etc.

本文介绍了一种大型超低温强化处理装置，它是高合金钢、高速钢轧辊进行超低温强化处理的工艺装备，它采用先进的液氮气化制冷技术，通过箱盖结构和锁紧装置及密封性能方面的专利设计（注册了两项实用新型专利）保证了该装置在温度均匀性等方面的技术指标，可以及时、有效地对冷轧辊进行超低温强化处理。

The gaseous impurities in the alloys were well controlled with the sum of C, N and O less than 500wppm. For the first time it was found the strong interaction between Cr-Ti-CON, which reduces the mobility of Ti and CON, enhancing high-temperature strength and the aging-hardening property, and keeping the cold-work induced hardening at higher temperature. Aging-hardening could increase the tensile strength of V-4Cr-4Ti by 30% and could be utilized at 00 C for better economical performane of a vanadium structure. Hydrogen release will occur for the alloys tensile loaded at room temperature, which will affect the safety of a vanadium structure due to the resulting dimensional instability. For hydrogen embrittlement, impact toughness and fracture toughness of the alloy showed higher sensitivity than the tensile test elongation,so the toughness should be used as a new standard for the assessment of the embrittlement. Vanadium alloys were easily oxidized in air.

合金的气体杂质含量得到有效控制，C、N、O总量低于500wppm；首次发现Cr-Ti-CON之间的强相互作用，它使Ti、CON的高温可移动性降低，提高合金的高温强度、增强时效强化特性、使冷加工强化保持到更高温度；时效强化可使V-4Cr-4Ti的强度提高30%，可在低温（00C）下应用，提高构件的经济性；室温下，钒合金在拉应力的作用下，存在着氢释放，带来部件使用中的尺寸不稳定性，影响构件安全；氢脆是钒合金聚变应用的一个关键问题，合金的冲击韧性和断裂韧性表现出比拉伸延伸率更强的氢脆敏感性，应作为评价合金氢脆行为的新标准。

Developed for the aluminum alloy castings, offering excellent collapsibility.

是为轻铝合金铸造所开发的溃散性极好的树脂。

The working table is very strength by using AL Alloy Honey Comb, it is no need to install extra lock system because of installation of handle of micro head type, and it is very simple and precise to adjust micro size.

它具有铝合金蜂窝组成的高强度工作台，装有微型调节按钮，因此无须有LOCK装置，调节更加精确方便。

Oslash; The working table is very strength by using AL Alloy Honey Comb, it is no need to install extra lock system because of installation of handle of micro head type, and it is very simple and precise to adjust micro size.

Oslash；它具有铝合金蜂窝组成的高强度工作台，装有微型调节按钮，因此无须有LOCK装置，调节更加精确方便。

With the help of a new technique called accelerated-pressure shot peening which is the combination of common shot peening equipment with a pressurizing vessel,a nanocrystalline layer with ultrafine grains(average diameter 30 nm)was fabricated on the surface of 7050 aluminum alloy.

在普通喷丸设备上增加增压罐，采用增压喷丸方法在7050铝合金表面制备出平均直径约为30 nm的纳米晶层。

In this work, the digital analysis of six Al-based standard alloy samples with different content of Mg has been performed. Using spectra of Mg 518.36 nm as the analysis spectrum line, Cu 510.55 nm and Fe 510.75 nm as comparison spectrum lines separately, quantitative analysis has been made.

对6种不同镁元素含量的铝合金标准样品进行了数字化分析测定，探索了选用Mg 518.36 nm作为分析谱线，分别选用Cu 510.55 nm和Fe 510.75 nm作为比较谱线进行定量测定的方法。

The digital analysis of the three standard samples of the Al-based alloy with different content of Cu, and the probe into the quantitative analysis that employs the spectrums of Cu 510.55 nm and Fe 510.75 nm as the analysis spectrum and comparison spectrum, indicate the positive relationship between the content of copper and the intensity ratio of the analysis and comparison of spectrum.

对3种不同Cu元素含量的铝合金标准样品进行数字化分析测定，探索选用Cu 510.55nm谱线和Fe 510.75nm谱线分别作为分析谱线和比较谱线进行定量测定的方法，数据显示分析谱线和比较谱线的强度比值与Cu元素含量呈正比关系。

After analyzing five samples of the nickel based alloy, with different content of element Co, it was found that the intensity ratio of the analysis spectrum, Co393.60nm, and the comparison spectrum, Fe 393.03nm, is of strong linear and positive relationship with the content of the element Co.

使用Co393.60nm谱线为分析谱线，Fe 393.03nm谱线为比较谱线，对5种不同Co元素含量的镍基高温合金标准样品进行了分析测定。

The digital analysis of the six standard samples of the Al-based alloy with different content of Cd, and the probe into the quantitative analysis that employs the spectrums of Cd 508.5 nm as the analysis spectrum, Cu510. 55 nm and Fe510.75 nm as comparison spectrum separately, indicate the positive relationship between the content of cadmium and the intensity ratio of the analysis and comparison of spectrum.

对6种不同Cd元素含量的铝合金标准样品进行了数字化分析测定，探索了选用Cd 508.58nm谱线作为分析谱线，分别选用Cu510.55nm和Fe510.75nm谱线作为比较谱线进行定量测定的方法，数据显示分析谱线和比较谱线的强度比值与Cd元素含量成正比关系。

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