蚀的

The surface topograph of the coatings specimen after erosion was observed under the scanning electron microscopy and the erosion mechanisms was discussed.

对冲蚀后的涂层试样表面形貌进行了扫描电子显微镜观察分析，就石英砂颗粒和催化剂颗粒冲蚀下，叶片涂层失重破坏的机理进行了分析探讨。

The elements detected by EDAX revealed that the content of Cu, Fe and Cr in etched region was obviously greater than that in an unetched region where the Cu and Fe were segregated from the foils as the impurity and the Cr was induced from formed conversion coating.

采用SEM和EDAX技术，分析了铝箔在HCl、H〓SO〓、〓、HF混合液中恒流腐蚀后的表面形貌和元素分布，发现最初的蚀孔呈团簇状分布，而随着时间增加，蚀孔转变为均匀分布。

The etching solution is composed of Potassium hydroxide, Sodium hydroxide, and additives. The window of demanding is crosshatched in certain conditions on polyimide flexible substrate.

采用化学蚀刻法，蚀刻液由氢氧化钾、氢氧化钠和添加剂组成，于一定的工艺条件下在挠性印制电路板聚酰亚胺基材上开出所需大小、形状的窗口。

The etching solution is composed of Potassium hydroxide , Sodium hydroxide and Additives . The window of demanding size is crosshatched in certain conditions on PI flexible substrate .

采用化学蚀刻法，蚀刻液由氢氧化钾，氢氧化钠和添加剂组成，在一定的工艺条件下在挠性印制电路板聚酰亚胺基材上开出所需大小，形状的窗口。

Chromium debases the corrosion rate of steel in seawater at initial stage.

含铬低合金钢在海水中短期浸泡的耐蚀性比碳钢好，长期浸泡的耐蚀性比碳钢差。

It disperses equably and never delaminates and deposites within the time of acid pickling. The static corrosion rate tor carbon steel is 0.6g-m-2-h-1 and the efficiency of corrosion inhibition is 99.02%;the dynamic corrosion rate is below 4g-m-2-h-1 and corresponding efficiency is 95.61%.

在酸洗时间内溶液分散均匀，不发生分层、沉淀现象：标准酸洗条件下，对A3钢的静态腐蚀速率为0.6g·m~(-2)·h~(-1)以下，缓蚀率为99.02％：流速为0.4m／s的动态腐蚀速率控制在4g·m~(-2)·h~(-1)以下，缓蚀效率达95.61％。

The etching liquid etches a gold or gold alloy layer formed on the surface of a substrate for a semiconductor device or a liquid crystal device evenly.

该蚀刻液均匀蚀刻在半导体器件或液晶装置用基片的表面上形成的金或金合金层。

On the basis of literature search on erosion of axial flow fan's blade, depending on the failure mechanisms, several kinds of coatings were prepared. NiWC35, Ni60, SNi46 and SNi67 spraying and fuzing coatings were prepared by spraying and fuzing. Cermet composite coating of LX88A was prepared by arc spraying. Cermet composite coatings of conventional WC/12Co and nanostructured WC/12Co were prepared by HVOF.

本文在综合国内外关于轴流式引风机叶片冲蚀领域的研究文献的基础上，以冲蚀机理为依据，采用火焰喷熔工艺制备了NiWC35、Ni60、SNi46和SNi67喷熔层，采用电弧喷涂工艺制备了LX88A金属陶瓷复合涂层，采用HVOF工艺制备出微米WC/12Co和纳米WC/12Co金属陶瓷复合涂层。

Finally, the software of ablation and heat-transfer CAD may be programed.

首先，不同的材料有不同的烧蚀机理和烧蚀率计算方法。

Corrosion resistance of the deposits in simulated vulcanized gases was measured, and effect of thermal treatment on corrosion resistance of the.

研究了镀层在模拟硫化气氛中的耐蚀性及热处理对镀层耐蚀性的影响。

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。