铬合金

It has been used widely in the field of prosthodontics for many years. But the clinical observations discovered that some patients suffered from gingivitis such as gingival hyperemia and edema when they used Ni-Cr alloy as the material of the copings sometimes, notwithstanding the good shape of the crown margin.

但是，在临床观察中发现，有一定比例的患者在使用镍铬合金烤瓷冠一段时间后，尽管冠边缘外形良好，但在与冠接触的龈缘处仍会有充血、水肿等牙龈炎的症状出现。

Inch chrome wheel covers are now standard equipped on all four-cylinder, six-speed automatic sedans and coupes.

17英寸的铬合金车轮，现在的标准包括对所有4缸，6速自动配备轿车和跑车。

The buildings on the far side of the road that were Soviet-era apartment blocks when I started my assignment had become high-rise towers with marble foyers.

我刚上任时，长安街远端是苏联时代的公寓；任期结束时，那里则变成了拥有玻璃和铬合金外墙、大理石大堂的高耸楼群。

Methods specimens of Ni-Cr alloy with and without non-cyanogen gold-plating treatment were exposed into artificial saliva, respectively.

目的：定量检测镍铬合金经过无氰镀金后离子析出量的变化，为无氰镀金技术在口腔临床上的应用提供理论依据。

Hence, some researcher use gold-plating technique on Ni-Cr alloy base crown fabrication to improve the surface properties of Ni-Cr alloy.

本实验使用新型的FJY无氰镀金技术，对镍铬合金表面进行镀金处理。

Key words: non-cyanogen gold-plating technique; ni-Cr alloys; metal icons

关键词］无氰镀金技术；镍铬合金；金属离子

A process of applying chrome to rubber was developed during production, allowing lightsaber hilts to be made of rubber and used in stunts without hurting the actors

通过研究发展了一项应用铬合金到塑料上的方法，这就让演员在用塑制激光剑表演特技打斗时不会受到伤害了。

Blades made of high carbon stainless steel with molybdenum and vanadium, HRC 58~60

刀刃材质为高炭不锈钢钼铬合金，高断裂能力58~60

Before preparation, the volume of GCF and the amount of AST and ALP were regarded as the baseline. The amount of AST and ALP were detected by automated chemical analyzer, and analyzed the variation between the pre-restoration and post-restoration.

结果： 1。镍铬合金组PFM修复后一个月其临床指标、GCF量、GCF中AST和ALP的总量与修复前相比未出现显著性差异，而修复后三个月其临床指标、GCF量、GCF中AST和ALP的总量与修复前相比有显著性差异。

Each of them had 3 anterior maxillary teeth restored by porcelain-fused-to-nichrome crowns, without other metal fillings or protheses.

对象：选择2006-01/12在河北北方学院附属第一医院口腔修复科就诊的60例上颌前牙有3颗行镍铬合金烤瓷冠修复的患者为实验组，男28例，女32例，平均40岁，均无其他金属充填物和修复体者。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。