沉积

The four-divided system tracts in a complete terrigeous sequence were sedimentational response to accommodation change resulting from a sedimentary baselevel cyclicity.

陆相层序四分体系域是一个沉积基准面旋回所引起的可容空间旋回性变化的沉积响应。

The results show that a surface layer of stable cobalt borides of CoB, CoW2 B2 and CoW3B3 formed at 950 ℃ can effectively reduce the diffusion of Co to the surface of cemented carbide substrates when diamond films are deposited.

结果表明，基体经硼化预处理后表面形成CoB、CoW2 B2、CoW3B3相；当沉积温度为750~800 ℃，碳源浓度为3.3%时，薄膜表面形貌和生长织构随着沉积气压改变有明显的变化；硼化预处理后所得样品在1 500 N载荷下压痕表现出良好的附着性能，较二步法预处理更加有效地改善了膜基附着性能。

The results show that a surface layer of stable cobalt borides of CoB, CoW2 B2 and CoW3B3 formed at 950 ℃ can effectively reduce tKey words: diamond films; cemented carbide; boronizing pretreatment; adhesion

结果表明，基体经硼化预处理后表面形成CoB、CoW2B2、CoW3B3相；当沉积温度为750～800℃，碳源浓度为3.3%时，薄膜表面形貌和生长织构随着沉积气压改变有明显的变化；硼化预处理后所得样品在1500N载荷下压痕表现出良好的附着性能，较二步法预处理更加有效地改善了膜-基附着性能。

Upon the ionic deposition of natural rubber latex with coagulants.

沉积方法与凝固剂的附型剂对沉积过程有明显影响。

Technology of galvanoceramic is a process of fabricating ceramometal restorations utilizing 99.9% pure gold copings by electroforming techniques, electrodepositing a metal onto a suitable substrate in specific electroforming apparatus.

金沉积烤瓷修复技术是指通过专用的电镀仪，利用电铸原理，在模型上电镀出含99.9％纯金的金沉积冠，然后在其表面进行烤瓷的修复技术。

The electroformed copings and interfacial area were examined by SEM and EDS analysis. Results: Surface roughness increased by sandblasting, O content had not been greatly improved by preoxidation, the coping surface formed a porous structure after applying gold bonder. The gold and porcelain combined tightly, mechanical chimera and simple diffusion of Al, O elements were observed in interfacial area.

结果：喷砂可以增加金沉积表面的粗糙度，预氧化没有使氧元素含量得到很大提高，涂布金黏结剂后金沉积表面形成了多孔样的结构：金瓷结合紧密，可见明显的机械嵌合结构，金瓷界面出现了铝、氧元素的单纯扩散。

The gold bonder can increase mechanical bonding between porcelain and electroformed copings. The copings and porcelain combined tightly, simple elements diffusion was observed obviously in interfacial area.

喷砂使金沉积基底表面粗糙度增加，涂金黏结剂后表面形成了多孔样结构，有利于机械结合；金沉积烤瓷金瓷结合紧密，界面存在元素的扩散。

Different surface treatments were taken on round gold surface, including no treatment, 50μm Al_2O_3 sand blasting, 110μm Al_2O_3 sand blasting, gold bonder applying after 50μm Al_2O_3 sand blasting, gold bonder applying after 110μm Al_2O_3 sand blasting, and the same nine Ni-Cr alloys were cast as contrast, the gold copings and Ni-Cr alloys were both received two layers of opaque and two layers of body porcelain. Shear tests were performed in a universal testing machine. After loading the sections were examined by SEM and EDS analysis.

第一部分金沉积基底不同表面处理对金瓷剪切强度的影响材料与方法：制作直径4.0 mm，高度为8.0 mm的圆柱形Ni-Cr合金试件45个，表面电镀形成金沉积帽状基底，随机平均分成5组，分别为表面未处理组、50μm、110μm Al_2O_3喷砂组、50μm Al_2O_3喷砂+金黏结剂组、110μm Al_2O_3喷砂+金黏结剂组；另铸造同样规格的Ni-Cr合金试件9个，作为对照。

Crinoids, ammonoids and bivalves dwelt on the stems and lived on pseudoplanktons. They were gradually deposited on the sea bottom with increasing biomass of the dwelling organisms and lime content, and at last concretions were formed.

海百合、双壳类和菊石类栖息在植物茎干上营假浮游生活，随着栖息生物量和化学沉积物灰泥的增加，逐渐沉积在海底形成结核。

Cyclicity character is one of the most important attributes of depositional strata, and it looks more important in the terrestrial sediments.

旋回性特征是沉积岩层最为重要的属性之一，尤其在对于区域地质背景波动做出敏感响应的陆相盆地沉积序列当中更是如此。

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