Residual stress profile state and surface roughness are the two important parameters for evaluating machined surface layer quality.
残余应力分布状态及表面租糙度是评定加工表面层质量的两个重要参数。
The technology of acquiring precise modified layer on construction material surface by light beam cladding was investigated and its effect on cladding layer quality was revealed.
研究了采用聚焦光束熔覆方法在结构材料表面获得精密改性层的工艺及其对熔覆层质量的影响。
In order to improve surface quality of the electrospark hardening layer, JDQ 1 type equipment of pulse electrospark hardening was devised.
为了改善电火花强化层的表面质量，研制了JD Q -1型脉冲电火花强化机。
By varying cast-penetration technics, the influence of thickness and quality in composite layer with si by casting on the surface of cast steel were studied.
研究了不同铸渗工艺对铸钢件表面铸渗硅复合层厚度和质量的影响。
The results show that the better boronizing layer on the surface of steel can be obtained by using the boronizing supply agent, and re can improve the quality of boriding layer.
结果表明：采用该渗硼剂可使钢件表面获得较好的渗硼层，且稀土可以提高渗层的质量。
A layer of chemical film can be formed on the surface of solid through chemical reaction. The quality of film is decided by the speed of chemical reaction of film surface.
通过化学反应可以在某些固体表面上形成一层化学薄膜，膜的质量是由成膜时膜表面的化学反应速率决定的。
The results are that the structure and properties of cladding layer are determined by the laser surface cladding processing parameter and quality of the cladding before laser heating.
认为在低碳钢表面涂覆硬质合金的涂层组织性能取决于激光涂覆工艺与预涂层的质量。
The results showed that the compaction treatment measure conducted could be efficient to improve the moisture of the surface layer soil and improve the quality of the coal rejects reclaimed farmland.
结果表明，通过压实层处理措施可有效改善表层土壤水分，提高矸石复垦耕地质量。
The said method can compound alloy layer with high quality and adjustable thickness on the surface of casting with different shape.
本方法可以在不同形状的铸件表面复合合金层，保证了铸件合金层质量，合金层的厚度可以调节，因而有很强的适应性。
The Al-free grating surface permits the re-growth of a high-quality cladding layer that yields excellent device performance.
由于采用无铝光栅，保证了二次外延质量，从而得到较好的器件性能。
The methods to improve the quality of the surface of extrusion materials by removing the defects on the surface layer of casting ingot are reviewed in this paper.
本文综述了清除铸锭表层缺陷，以提高挤压材表面质量的方法。
The effect of the added rare earths on the thickness, surface quality, hardness and corrosion resistance of the layer were studied.
研究了稀土对镀层厚度、表面质量、镀层硬度和耐腐蚀性的影响。
The metaphor comes from woodworking, where a veneer is a thin layer of good quality wood glued to the surface of a cheaper piece of wood to improve the appearance.
这个比喻来自于木匠行业，镶板就是一薄层的高端木料用胶水贴到廉价木料上面，来提高视觉效果。
The results show that a certainty thickness' intensified layer and satisfying surface quality with high micro-hardness and go…
研究结果表明，合适的工艺参数和加工时间，能使工件的表面获得具有一定的厚度、较高硬度和耐磨性的强化层。
The results show that a certainty thickness' intensified layer and satisfying surface quality with high micro-hardness and go…
研究结果表明，合适的工艺参数和加工时间，能使工件的表面获得具有一定的厚度、较高硬度和耐磨性的强化层。
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