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纯金

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Soldiers were marching outside the gate, blowing trumpets beating tympani drums.

於是,渔夫往回走,到家时一看,整座宫殿都由研磨抛光的大理石砌成,石膏浮雕和纯金装饰四处可见。

Unalloyed, it is used in high-temperature applications, as a target in X-ray applications, and as a catalyst .

纯金属钒适用于高温,如X射线的目标和催化剂。

The unique designs and the pure gold from which it is made have to be up to the mark.

独特的设计和它是由纯金须达到广交会。

Using the one-atom theory, the electronic structures of Pt-electrocatalyst with fcc structure was determined as follows:(5dn)6.48 (5dc)2.02 (6sc)1.48(6sf)0.02. Compared to the result obtained by the first-principle method such as FP-LMTO, CASTEP, their results are in good agreement with each other. Comparing the calculations of physical properties such as lattice constants, cohesive energy and bulk modulus by OA method and first-principle method, the result obtained by OA method is in excellent agreement with experimental value, but the result obtained by first-principle method is not accordable. The relationship between the electronic structures and catalytic performance was explained qualitatively by OA method and first principle method according to its electronic structures. Because the d-orbital vacancies increases and static density is high around Fermi energy band, Pt has good catalytic performance.

摘 要:依据纯金属单原子理论确定面心立方结构电催化剂Pt的电子结构为(5dn)6.48(5dc)2.02-(6sc)1.48(6sf)0.02,与采用第一原理的FP-LMTO和CASTEP等方法所计算的电子结构相比较,其结果非常相近;由OA理论和第一原理方法计算的晶格常数、结合能、体弹性模量等物理参数进行比较,OA理论计算的结果与实验值较符合,而第一原理方法计算的结果与实验值相差较大;在此基础上用OA理论和第一原理方法研究了Pt的电子结构与催化性能的关系,由于d带空穴增多和费米能级附近态密度较高,导致金属Pt的催化性能很好。

The deformation of conductive particles in pure metal connected by anisotropically conductive adhesives has been investigated using finite element analysis. The results indicate that the increment in stresses of the conductive particles begins at the contact area toward the boundary through the centers of conductive particles when the reduction in height increases. When stress is over the yield strength, the similar behavior was observed. So the deformation of conductive particles is not uniform, which means that the deformation of conductive particles is the same as the stress does.

采用有限元模拟分析了各向异性导电胶连接的纯金属导电颗粒的变形过程,研究结果表明,随着压下量的增加,导电颗粒的应力增加由接触面开始,经中心区域向导电颗粒的周边扩展,大于屈服强度的应力变化与此相似,因此导电颗粒的变形是不均匀的,即导电颗粒的变形由接触面开始,经中心区域向周边区域进行。

There are many merits of autofrettage of the composite material barrel with metal inner. One of them is that it can increase the elastic-plastic strength limits and possesses higher anti-plastic failure properties than pure metal barrels.

对带金属内衬的复合材料身管,自紧有许多优点,一方面可以提高身管的弹塑性强度极限,且经处理后的复合材料身管比纯金属身管具有更高的抗塑性破坏能力。

Because silver particles are stabilized by the other thermal decomposition products of silver behenate, in the range of 193°C~320°C, the formed film is not pure silver.

通过控制山嵛酸银的热分解温度可以构筑不同形态的银薄膜,在190°C~320°C,金属银被有机产物钝化,形成了掺杂有机物的金属银薄膜;当温度高于500°C时,有机产物进一步分解可以形成纯金属银薄膜。

On the basis of inheriting the traditional handicrafts,our company-makes the craftwork by using the well-known porcelain from jingdezhen,boccaro and precious jade as the principal part, at the same time, gold,silver,copper and tinas the main inlays as well and by the process of decades of crafts like purify-ing ,chasing,inlaying,polishing and plating 24 karta bullion .

该产品采用举世闻名的景德镇瓷器、宜兴紫砂、名贵玉器为主要载体,以金、银、铜、锡为主要镶料,经过提纯、雕镂、抛光、镀24K纯金等数十道工艺精工制作。使产品华贵高雅具有显明的民族文化特色和艺术魅力,集观赏、实用、收藏于一身,是现代技术与古老手工艺的完美结合。

The purchasing thereof is better than the merchandise of silver, and her fruit than the chiefest and purest gold

因为赚得智慧胜于赚得银钱;智慧的果实胜于纯金

THE Danaan children laugh, in cradles of wrought gold

妲娜的孩子们在纯金制造的摇篮中大笑

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Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

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