• 明流反弧段容易发生部位。

    The place downstream of bucket in an open channel is easily subject to cavitation damages.

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  • 然而增加了其发生可能

    However, the possibility of occurrence of pitting is also increased.

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  • 由于酸性很差不能用于场所。

    Acid resistance due to its poor, can not be used for etching of the places there.

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  • 任何船只涂料体系都是一道屏障

    The paint system on any boat is an important first barrier against corrosion.

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  • 介绍生产励磁开关头烧解决方法

    This paper presents solution of main contact ablation of a excitation switch in production.

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  • 研究了功率气体火花开关电极基本物理过程

    The basic physical mechanisms of the electrode erosion process of high power gas switches were also studied.

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  • 比较几种测定蚀的方法,其中以丁字接头最好

    Different ways of erosion measurement were also compared with each other and the T-type joint method is the best one.

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  • 研究表明:高温高温氧化衬套主要原因

    The results shows that melting and oxidation are the main reason of corrosion at the high temperature.

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  • 本文给出二维加热具有表面发汗控制数学模型

    This paper represents a mathematical model of transpiration cooling control system with two-dimensional heating and surface ablating.

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  • 含量温度氯化物浓度蒸汽轮机叶片影响

    Pitting corrosion of steam turbine blading steels: the influence of chromium content, temperature, and chloride lon concentration.

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  • 运用最小自由原理,研究了超高温热化学计算方法

    The principle of minimum free energy method was analyzed. The calculation method of thermal chemical ablation was studed.

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  • 该类制备工艺简单从而降低了在海水中铜成本

    The preparation process of the inhibitor is very simple, and thus beneficial to decreasing the cost of corrosion inhibitor for copper.

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  • 本文研制一种耐酸蚀的孔剂对封孔材料的配比进行了优化。

    In the article, an sealant with corrosion resistance was developed, and its sealing allocated parameters were optimized.

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  • 表面发生点临界电位低于覆盖表面发生点临界电位。

    The pitting critical potential of the fresh surface is lower than that of the surface covered by passive film.

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  • 本文对泰氟隆蚀的化学平衡粘性激波层流场进行了数值模拟。

    The chemical non equilibrium viscous shock layer flows over a teflon ablative wall are calculated numerically.

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  • 最终应用指导生产焊熔进一步探讨提供理论基础

    Ultimately, it is used to guide the production and provides a theoretical basis for the further study on the erosion during brazing.

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  • 本文国内外脉冲激光气体动力学理论研究成果进行系统论述。

    In this article, the gas dynamic models of the pulsed laser ablation plume have been reviewed.

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  • 研究X70磷酸盐缓冲溶液中的亚稳态与稳态孔电化学行为特征

    The electrochemical characteristics of pitting corrosion of X70 pipeline steel in phosphate buffer solution were studied in this paper.

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  • 被高能聚焦超声15个肿块10显示完全的,均一整个肿块

    Of the 15 tumors removed after HIFU 10 showed complete, homogeneous ablation of the entire tumor.

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  • 文章分析了电接点压力表触头烧原因,提出了无触点式压力表的改进方法

    In this article, the author analysed the cause of arc tip pressure meter scorched, an improved method for contactless pressure meter.

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  • 文章分析135系列柴油机原因的基础上,给出了消除穴蚀的方案。

    In the article, the reasons for cavitation erosion in cylinder sleeve of 135s diesel engine are analyzed, and several Suggestions to against cavitation erosion are given.

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  • 分析柴油发动机湿式气缸磨损特点原因提出相应预防措施

    This paper analyses on the features and causes of the wear and cave - like corrosion on diesel motor's wet cylinder liner, and puts forward some corresponding preventive measures.

    youdao

  • 火龙陶瓷纤维性能不受蚀的影响,经过烘干即可恢复其性能物理特性

    Huolong Ceramic Fiber Blanket have excellent capability of resisting the oil, after being dried it will repossess the thermal characteristic and the physical feature.

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  • 汽器304不锈钢发生主要原因不锈钢管质量不合格使用的洗液不当。

    The major causes of pitting in the 304 stainless steel tubes for condenser are that the quality of the stainless steel tube is unsatisfactory and the acid solution is unsuitable.

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  • 综述镀锌钝化着色染色黑化处理方法重点研究了高抗黑钝化处理。

    The existing methods of zinc plating blackening by black passivating, coloring, dyeing, etc. are studied, and the high resistance to corrosion of the passivator is highlighted.

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  • 试验结果表明,在整个试验过程中,钎料表面表现均匀,点迹象明显。

    Point corrosion testing indicated that there is not point corrosion mark, and uniform corrosion characteristic was present to the filler metal.

    youdao

  • 文中提出外加控制磁场减少轨道炮炮膛烧方法,进行了相应的机理分析试验研究

    Reducing erosion of rail electrode surfaces with an external magnetic field control is put in this paper, and the study has also been investigated theoretically and experimentally.

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  • 黄铜板形貌以表面颜色逐渐产物增加蚀的增加、严重的晶界为主。

    The surface morphology of brass plate was changed too, the color of brass gradually turned red, the corrosion products and pitting increased, obvious intergranular corrosion appeared.

    youdao

  • 黄铜板形貌以表面颜色逐渐产物增加蚀的增加、严重的晶界为主。

    The surface morphology of brass plate was changed too, the color of brass gradually turned red, the corrosion products and pitting increased, obvious intergranular corrosion appeared.

    youdao

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