后表面

At the substrate surface is strong adhesion, prefilming surface hardness and high, have a good acidproof, anti－alkali, dangerouschemicals and the fast light performance.

在凹印油墨中，所选树脂应满足的条件主要有以下几点：1。在承印物表面有较强附着力，成膜后表面硬度高，有较好的耐酸、耐碱、耐化学药品和耐光的性能。

Carborundum, emery abrasive carborundum powder is applied to two kinds of dry and wet production process of the most affordable of the abrasive, especially for the more rough treatment of the workpiece surface, while the treated surface, also requested a more elaborate occasions.

金刚砂，金刚砂磨料，金刚砂微粉是一种适用于干式和湿式两种生产工艺的最经济实惠的磨料，尤其适用于对较粗糙的工件表面进行处理，而处理后表面又要求较精细的场合。

The error is bringed because the post-vertex of the eyeglasses is not superposition with the post-focus of the objective of the dioptometer.

由于被测镜片的后表面曲率各不相同，致使镜片后顶点与焦度计物镜后焦点不相重合，因而造成测量误差。

Ultrasonic cleaning is a good fit for a wide range of applications, from removing swarf and grinding and polishing residue to treating parts covered in oil, grease, or layers of paint.

超声清洗是工业领域一种广泛应用的新方法，可以去除工件表面的磨削，研磨，抛光后表面残留的碎屑，去除工件表面残留的油污，甚至可以去除油漆层。

According to the characteristic of organic matter is liable to be oxygenated and decomposed,using the oxidability of peroxide synthesized by the BDD anodes used in the electrochemical to oxidative decomposes residue organic matter and coordinates with ultrasonic cleaning,combining with physical and chemical method,thus achieves,the goal of wiping off residue organic matter.

根据有机物易被氧化分解的特性，采用金刚石膜电化学法合成过氧化物，利用过氧化物的氧化性氧化分解硅片化学机械抛光后表面的有机物残留配合特选的表面活性剂，并加超声清洗，物理化学方法结合，从而达到去除有机物污染的目的。

The results show that air plasma causes surface wettability improvement, surface roughness, surface oxidization and nitration.

结果表明：处理后表面润湿性改善，表面微结构形貌粗糙化，表面发生氧化和氮化。

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。

In this paper,the surface roughness and residual stress of 1Cr11Ni2W2MoV stainless steel after laser shock peening and shot peening were tested and analyzed.The results show that laser shock peening samples have better surface quality and larger residual stress than shot peening samples.

对不锈钢材料1Cr11Ni2W2MoV进行了激光冲击强化和喷丸强化后表面粗糙度和残余应力测试分析，与喷丸相比，激光冲击强化对试件表面形貌和表面粗糙度的影响更小，产生的残余压应力更大。

The results showed that under the same polishing parameters, the particle size exerted an important influence on MRR and surface quality during unfixed-abrasive polishing, but played a less role during fixed-abrasive polishing. A fine surface roughness of R 1.5 nm was achieved by using diamond fixed-abrasive pad, and the function of self-conditioning was well realized.

结果表明：在相同的抛光工艺参数下，磨粒粒径在游离磨料抛光中对材料去除率和抛光后表面质量作用显著，而在固结磨料抛光中作用不显著；采用金刚石固结磨料抛光垫抛光能获得表面粗糙度约为R1.5 nm的良好表面质量，并在抛光过程中较好地实现了自修整功能。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。