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The strength, acidproof and basicproof stability, conductivity and performance of isolating high-voltage electric field of the joint were investigated in detail.

本文采用激光烧蚀、HF腐蚀和阴离子膜封堵的方法制作了一高压电场隔离接口,并对该接口的强度、耐酸碱稳定性、导电率及隔离电场性能等进行了详细研究,结果表明采用激光烧蚀、HF腐蚀和阴离子膜封堵的方法制作的高压电场隔离接口性能优良,有一定潜在的商业价值,可望推广应用。

The coating's protective efficiency and hydrophobicity were investigated by water absorption by capillarity and contact angle respectively.

使用毛细管吸收量评价防护涂料的保护程度,使用接触角评价防护涂料的疏水性,使用离子色谱测定石灰岩腐蚀层中形成的硫酸盐,根据硫酸盐的量决定石灰岩的腐蚀程度。

Secondly the fatigue test is carried out under the constant amplitude cyclic loading for the specimens which are exposed in the corrosive environment for equivalent calendar time of zero year, 3 years, 8 years and 13 years.

飞机结构日历寿命的确定与腐蚀环境对飞机结构寿命的影响紧密相连,材料抗疲劳性能随日历年限的变化规律和腐蚀环境作用后的疲劳累积损伤理论是科学地确定飞机结构日历寿命的基础。

This paper in view of present crude oil units running situation and the existence prominent question, in cooer with progress of production has carried out the corrosion mechanism research, the anticorrosion measure and the corrosion actually tests and analysis, the security and reliability analysis and the life forecast research, with the research of out and inner our country and the production actuality ,which provides a practical and feasible base for guaranteeing the equipment in the long-term and steady safe operation.

本文针对目前国内稠油加工常减压装置的生产运行现状和存在的突出问题,结合国内外研究工作和生产实际开展了稠油加工装置故障树分析、腐蚀机理、防腐措施、腐蚀实验、安全可靠性分析和寿命预测等方面的研究工作,为提高我国石油炼化装置的安全可靠性提供了理论基础和新的方法。

The stress corrosion cracking experiments were conducted using SUS 304 L stainless steel WOL samples in 3.0% NaOH solution by mass fraction at 280℃in order to study the anti-stress corrosion performance of PD-201 hydrogenator made of SUS 304 L stainless steel of purified terephthalic acidplant during alkaline washing without stopping production.

通过用SUS304L不锈钢制作的楔形张开加载预裂纹试样,在280℃、质量分数为3.0%的NaOH溶液的条件下进行应力腐蚀试验,以模拟对苯二甲酸装置的加氢反应器PD-201不停车碱洗工作过程中SUS304L不锈钢在该介质环境下的抗应力腐蚀性能。

The experimental results show that, the depositional rate increases with the increase of the concentrations of nickel sulfate, sodium hypophosphite and complexing agent and the pH value, and it is also concerned with the category of comlexing agent.

据油田相关资料的分析,油气管线内部介质对管道的腐蚀已经成为油气管线正常输送的很大障碍。在美国输气干线和集气管线的泄漏事故中,有74%是因腐蚀造成的。

Based on the mechanisms for stress-assisted corrosion problem in oil-pipe system, authors have carried out numerical simulation, with application of Charles-Hillig Model 10 to study the behavior of crack propagation, where the advanced front-tracking method has been employed for finite element mesh construction and re-construction.

基于油气管道表面微裂缝在应力和腐蚀耦合作用下的扩展机理,根据Charles-Hillig模型用数值方法模拟了裂缝的动态扩展过程。研究的重点是确定裂缝扩展时的形态以及可以避免应力腐蚀现象的载荷和环境条件。

The results indicated that the dejects was caused by pitting corrosion of impurity element iron in silver coin by environmental chloride compound .

结果表明,在银币缺陷部位的腐蚀坑内存在以铁元素为主的物质,基材中的铁元素与外界的氯引起银币的腐蚀,造成了表面缺陷。

The paper solved the problems of less valid data in thermal infrared imager,impurity being on surface of specimen and uneasy dipartite corrosion area in image which happened in detection of structure parts' hidden corrosion by thermal wave imaging.Firstly,the contrast of one unheated image was enhanced by self-adaptive mathematical morphology sharpening,and then location of the impurity was confirmed by change of the image grads.

针对飞机结构隐藏腐蚀热波成像检测中出现的试件表面存在杂物、热像仪中有用数据较少、图像序列中腐蚀区域不明显等情况,首先通过对加热前的一幅图像进行自适应形态学锐化处理,提高图像的对比度,并根据图像梯度的变换情况确定出杂物的位置。

Product formation lined face, smooth and strong, with the traditional steel-lined tank plastic board, glass-steel-lined steel tank, it has a better corrosion-resistant, non-leaking, non-peeling, wear-resistant, long life, etc., corrosive liquid is ideal for shipping container storage and transportation, can be applied to 100 ℃ the following motor transport tanks, piping, low pressure tanks, vacuum tanks, reactor, fermentation tanks, ion-exchange columns, pickling tank, sedimentation tanks, and cans , the crystallization of cans, cans enrichment, plating tank, pickling tank and so on.

产品内衬面平整、光滑、坚固,与传统的钢衬塑料板储槽、钢衬玻璃钢贮槽相比,具有更良好的耐腐蚀、不渗漏、不剥离、耐磨损、寿命长等优点,是装运腐蚀液体的理想储运容器,可应用于100℃以下的汽车运输槽罐、管道、低压罐、真空罐、反应釜、发酵罐、离子交换柱、酸洗槽、沉淀罐、中和罐、结晶罐、浓缩罐、电镀槽、酸洗槽等。

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What would he tell Judith and the children?

他将怎样告诉朱迪丝和孩子们呢?

I this is at that time, the opinion with peacockish true girl is full of in a heart.

这就是当时的我,一个心中布满虚荣的女孩子真实的想法。

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