合金的

In this dissertation, Al-Cu-Mn ternary alloy ultrafine powders with 99% relative content of AlCu〓Mn compound phase were prepared. But only binary compound phases of Al-Cu and Al-Cr systems formed in the Al-Cu-Cr ternary alloy ultrafine powders, without any ternary compound phase.

本研究在蒸发Al-Cu-Mn合金时，制得了AlCu〓Mn相对含量达到99％的合金超微粉末；在蒸发Al-Cu-Cr合金时，制备的超微粉末中只生成了Al-Cr和Al-Cu二元化合物相，无Al-Cu-Cr三元化合物合金相生成。

Under the protection of fusing agent or gas, melting commercial-purity magnesium completely in copple, adding alloying element in formation of Al-Be hardener, commercial-purity aluminum, Al-Mn hardener, Mg-Re hardener and commercial-purity antimony, agitates to achieve uniform mixing, refining and casting.

在熔剂或气体保护熔炼条件下，工业纯镁在坩埚中完全熔化后，分别以Al-Be中间合金、工业纯铝、Al-Mn中间合金、Mg-Re中间合金，工业纯锑的形式加入合金化元素，搅拌混合均匀并进行精炼后浇注。

The company has vertical semi-continuous casting production lines, capable of producing all kinds of diameter of the circle and a square with deep processing of high-quality magnesium alloy billets deformation; extrusion production line can produce all types of magnesium alloy extrusion sacrificial anode, the sacrificial anode aluminum, zinc alloy sacrifice Anode and a variety of magnesium alloy extrusion products.

公司拥有立式半连续铸造生产线，能够生产各种直径的圆形和方形高品质深加工用变形镁合金坯料；挤压生产线可生产各类挤压镁合金牺牲阳极、铝合金牺牲阳极、锌合金牺牲阳极和各种镁合金挤压产品。

Calculations of the density of alloys based on Bernal-type models of the alloys metal component agreed fairly well with the experimentally determined values from measurements on alloys consisting of a noble metal together with a metalloid,such as alloys of palladium and silicon,or alloys consisting of iron,phosphorus,and carbon,although small discrepancies remained.

以伯纳尔所建立的旨在研究合金中金属成分的那类模型为基础，研究人员对合金密度进行了计算，这些计算相当程度上与某些合金测量中通过实验确定的数据趋於一致，尽管一些细小的差异依然存在。实验中测量的那类合金由一贵金属和一准金属构成，例如，钯和的合金，或由铁、磷、和碳组成的合金。

The results point out that the values of kinetic parameters are altered with the addition of Ti and C, which change the crystallization type from difficult nucleation and easy growth pattern to easy nucleation and difficult growth pattern, and this difficult nucleation and easy growth pattern may be the main reason why fine and even microstructure is gained in Ti and C doped alloys.The influences of Nd content, B content, partial substitution of Nd by Pr on the microstructure and magnetic properties have also been researched.

文章从动力学理论的观点揭示了合金显微结构与合金晶化动力学特性之间的关系，指出Ti和C添加改变了Nd9.4Fe79.6B11合金晶相析出时的动力学参量值，使合金晶化时晶相的析出方式由难形核易长大型加热管转变为易形核难长大型，这种易形核而难长大的晶化动力学特征，是Ti和C添加合金获得细小均匀的纳米晶结构的根本原因。

In order to find a technique that can obviously improve the strength of magnesium-lithium alloy ,an alpha-beta biphase coexistent magnesium-lithium alloy was designed according to the Mg-Li phase diagram and the effect of Al.

为了找到一种可以显著提高镁锂合金强度的工艺，根据镁-锂二元合金相图及铝元素在合金中的作用，设计了一种α、β两相共存的镁锂合金(Mg-6Li-3Al)，并进行了挤压和轧制；用光学显微镜和X射线衍射仪对合金不同状态的组织及性能进行了研究。

The result shows that modification can make the β-Si phase thin when the joining amount is 0.3wt%, making the best modification result. Alloying elements Mn and Ni are always used to neutralize iron"s harm in aluminum alloys. They can form many kinds of complicated metallically compounds with Fe and Al, and eliminate needle-like iron-rich phases to reduce iron"s harm in Al-Fe alloy. Copper makes the alloy microstructure thick and electromagnetic stirring obviously makes the alloy microstructure thin, round the second phase, when the stirring voltage is 200V, making the best result; Reheat makes liquid phases emerge in the alloy, when the warming temperature is 650?

研究结果表明：红磷可以明显细化合金中的初晶硅，当加入量为0.3wt%时，取得最佳变质效果；锰、镍合金中加入后，通过形成多种复杂金属间化合物，细化针片状富铁相，减小铁对铝硅合金性能的危害；铜使合金微观组织发生粗化；电磁搅拌明显细化合金组织，使第二相圆整化，搅拌电压为200V时，取得最佳细化效果；二次加热使合金组织中产生部分液相，在650？

In this thesis, the phase diagram of Zn-Al binary system on 10~69.5 w% was reinvestigated by using differential scanning calorimeter, X-ray diffraction and pushrod dilatometer. The process of isothermal transformation during the aging of high-Aluminum-Zinc-based alloy was studied by using differential scanning calorimetry, and the aging behavior of the alloy was analyzed at the aspect of thermal analysis kinetics. The change of microstructure which the alloy was being heated was observed on high-temperature metallurgical microscope. The microstructure and wear-friction properties were compared among the alloys treated with several different heat treatment processes, and a model for heat treatment processes was proposed based on artificial neural network,so as to predict the relationship between friction coefficient and parameters of aging treatment such as aging temperature and time.

本文采用高温X射线衍射、示差扫描量热分析、热膨胀等方法重新测定含锌量范围为10％～69.5％的Zn-Al系二元相图，利用示差扫描量热分析法，研究高铝锌基合金时效等温转变过程，并从热分析动力学的角度分析高铝锌基合金合金时效行为；使用高温金相显微镜观察合金加热时的组织变化；比较几种不同热处理工艺对高铝锌基合金显微组织与耐磨性能的影响并利用人工神经网络建立高铝锌基合金热处理工艺模型，预测合金摩擦系数随时效温度及时间变化规律。

Objective To compare the clinical effect of the Ni-Cr alloy,Gold-plating Ni-Cr alloy,Titanium alloy and Au-Pd alloy coping of the porcelain-fused-to-metal.

目的 评价镍铬合金、镀金镍铬合金、钛合金、金钯合金4种金属烤瓷冠的临床应用效果。

Our main products are magnesium wheels of automobile or autobike, magnesium steerings, magnesium fans, magnesium bonnets and brackets.

目前公司的主要产品包括镁合金卡丁车车轮、镁合金摩托车车轮、镁合金汽车车轮、镁合金方向盘、支架等汽车零部件，产品外销欧美等国家和地区。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。