查询词典 alloy

It's found that th e activation of alloy was improved with increasing the concentration,temperature and immersing time of alkaline solution,the reason is that the Zr-rich surface of alloy was conversed to Nirich surface because of the strong erodent action of alkaline solution,this catalyzes ...

实验发现：储氢合金电极的活化性能随碱液浓度增大、温度升高以及浸泡时间的延长得到改善，主要由于KOH的强腐蚀性使合金表面由富Zr层转化为富Ni层，为氢的吸附离解起到催化作用，总结出最佳KOH处理液的实验参数：6mol/L、80℃、浸泡 2 4h ，在此条件下合金电极循环两周即达最大放电容量。

Instead, the erosion resistance is increased after FSP. The refined and uniformly distributed second phases, which are resulted from the FSP, can help to increase the hardness and further reduce the brittle fracture of the specimens. Si and nvAl3CuNi phases are usually found near or end of the grooves with little fracture. But the τ1 (Al9FeNi) phase is easier to be removed by the erodent cutting. It can be inferred that Si and nvAl3CuNi are useful to improve the erosion resistance of A384 aluminum alloy, but τ1 (Al9FeNi) phase is detrimental for the erosion resistance of A384 aluminum alloy.

经摩擦搅拌制程改质后，硬度提升，晶出相细化且均匀分布，降低脆性龟裂的现象发生，有助於改善A384铝合金的磨耗性质，其中，亦发现在冲蚀沟槽附近有残留和脆性破裂之共晶Si颗粒和nvAl3CuNiw晶出相，推测此两相为A384铝合金中有助提升磨耗阻抗的第二相；而τ1(Al9FeNi)晶出相则容易受到冲蚀颗粒的切削而被冲蚀颗粒移除，增加材料的重量损失，推测τ1(Al9FeNi)晶出相为A384铝合金中较不耐磨耗的晶出相。

Methods: Co-Cr alloy,Ni-Co alloy and casting titanium were respectively proc essed into size of 10 mm×10 mm×1 mm in tablets.

将 Co-Cr合金、Ni-Cr合金、纯钛分别铸造制备成10 mm×10 mm×1 mm板片，将每组30片随机分空白对照组、培养基对照组、实验组各10片。

In this paper, the electroplating of bright Zn-Ni alloy process was studied, the effect of (1-hydroxy ethylidene diphosphonate acid coordinating agent, chloride content, [Zn2+]/[Ni2+] mole ratio, cathode current density, temperature, a class of aldehyde compound (abbreviated as ZNP additive agent) and supplementary coordinating agent on Ni content, and brightness of plating layer was discussed, the physical phase of alloy plating layer and stability of plating solution were determined.

研究了用有机多膦酸盐作络合剂，ZNP作添加剂电镀光亮锌镍合金，探讨了络合剂、氯化物含量、[Zn2+]/[Ni2+]比、阳极电流密度、温度、辅助络合剂对合金中镍含量的影响，测定了合金镀层中物相组成及镀液稳定性，通过筛选得出最佳最镀光亮锌镍合金的镀液组成及工艺条件，并讨论了锌镍合金的异常共沉积机理。

The DTA result shows that the Ni-Ce-B nano-amorphous alloy has four exothermal peaks located at 275, 330, 423 and 528℃, and the Ni-Ce-P nanoamorphous alloy has three exothermal peaks (278, 410 and 528℃). The temperature of the highest exothermal peak increases by 150 and 170℃ respectively, compared with Ni-B and Ni-P nano-amorphous alloys.

DTA结果表明，Ni-Ce-B纳米非晶态合金有275、330、423和528℃四个晶化峰，Ni-Ce-P纳米非晶态合金有3个晶化峰（其晶化峰分别在278、410和528℃），其最高晶化峰温度较相应Ni-B和Ni-P纳米非晶态合金的分别升高150℃，170℃。

The results show that, the structure of as received alloy was fibriform, and the recovery and the recrystallisation procedure occurred during annealing in the alloy.

结果表明，合金的供货态组织为冷拉纤维组织，退火时发生回复与再结晶。

OBJECTIVE: To compare the effects of titanium alloy and gold-platinum alloy porcelain-fused-to-metal on ultrastructure of canine gingival tissue.

目的：比较钛合金和金铂合金两种金属烤瓷修复体对犬牙龈组织超微结构的影响。

Methods Twenty-four extracted teeth block were bonded with Ni-Cr alloy and 24 resin block were bonded with Ni-Cr alloy by two kinds of adhesive material. Those were Gluma comfort bond and Single bond. Those bonding complexes were stored in normal saline solution for 72 hours.

用两种通用型粘结剂（G1uma comfort bond与Single bond）分别将24颗离体牙试块与Ni-Cr合金粘结，24个树脂试块与Ni-Cr合金粘结，生理盐水中储存72h后分别测量抗拉伸强度和抗剪切强度。

The results show that Si element has an effect on facilitating carbon atoms to solute in Fe-Al-C liquid alloy and to graphitize in the process of solidification, which can solution strengthen the alloy matrix.

结果表明：Si可以促进C原子在Fe-Al-C液态合金中熔入及凝固过程中的石墨化，对Fe3Al基体有固溶强化作用。

Hot corrosion behavior of Na2SO_4 coated B-1900 alloy was studied in air at 827 and 750℃.Corrosion kinetics of the coated alloy was gravimetrically measured,and contents of water soluble ions in the reaction products were chemically analyzed.X-ray diffraction and EMP techniques were employed to determine the components and morphology of the corrosion product scale.

用涂 Na_2SO_4盐膜法研究高温合金 B-1900在827℃和750℃于空气中的热腐蚀行为，测定其腐蚀动力学曲线，用 X -射线衍射和电子探针元素面扫描方法分析腐蚀产物的相组成和成份，还对其中的水溶性离子进行化学定量分析。

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。