查询词典 corrosion resisting

Meanwhile, the coated surface was hydrophobic with a contact angle of 107.2°since the introduction of methyl groups and methylene groups. Static immersing corrosion test, potentiodynamically polarization curve and electrochemical impedance spectroscopy were conducted to evaluate the film corrosion performances. The results of potentiodynamically polarization curve and EIS in 55wt% LiBr solutions at room temperature in atmospherical pressure indicated that the corrosion current density of BMBSE film coated surface was 4 orders of magnitude smaller than that of bare SUS304 steel, and the impedance was increased by a factor of 10000. Static immersing corrosion test presented that the BMBSE film can significantly increase the corrosion resistance in 55wt%LiBr solution at 180°C compared with stainless steels.

同时由于有机组分甲基和亚甲基的引入，结构均匀致密，并具有一定的疏水性；电化学测试结果表明BMBSE膜的极化阻抗比不锈钢大4个数量级，自腐蚀电流密度也下降低了4个数量级左右，具有良好的耐腐蚀性能；成膜的影响因素优化结果表明BMBSE、EtOH、D.I.water摩尔比为1∶4∶3，热处理温度为200℃时，更有利于制备结构均匀、致密、耐腐蚀性能好的薄膜；静态浸泡腐蚀实验结果说明，在180℃、55%的高温溴化锂溶液中BMBSE膜能起到良好的腐蚀防护作用。

The failure behavior of SS316L has been investigated under environment and stress coaction by corrosion fatigue device. It is indicated that the interactive actions of many kinds of corrosion types, such as dynamic stress, pitting corrosion, intergranuler corrosion, corrosion fatigue, material failure, are exist in the process of stainless steel failure.

本工作运用自制的腐蚀疲劳试验机，研究了在环境与应力协同作用下，316L不锈钢的失效行为和过程，证实了不锈钢的失效过程中存在着多种腐蚀类型的交互作用，阐述了动应力—点腐蚀—晶间腐蚀—腐蚀疲劳—失稳断裂的内在联系和相关性。

Herein through investigation on the collected CO2 corrosion data from different CO2-contained oil and gas fields, this study analyzed the serious damage and hazards on the gas production, summarized up the general rules of CO2 corrosion and its peculiarities at different areas. According to studies on phenomena, features, mechanism, and influencing factors on CO2 corrosion, this study put forward that a few effective countermeasures should be taken for anti-corrosion technology including injecting corrosion inhibitor, adopting stainless steel or bimetallic materials for the combination casing strings or well tubings.

为此，对我国几个不同类型含CO2油气田的现场的CO2腐蚀资料进行了调查、研究，分析了CO2腐蚀给天然气生产带来的严重危害性，总结出在不同类型油气田中CO2腐蚀的一般规律和不同区域CO2腐蚀的特殊性；在对CO2腐蚀的现象、特点、类型、机理以及腐蚀的影响因素研究的基础上，提出了含CO2气井防腐工艺技术应着重解决好含CO2气井的完井、生产管柱采用不锈钢或双金属复合油管、加注缓蚀剂等几种有效的防腐蚀措施。

In acid and salt solution,TiN shows an excell ent corrosion resistance after 100 h immersing test.TiN coating acted as a physi cal barrier between the stainless steel and corrosion media.The corrosion proces s initiated from the pinhole and the corrosion process under the coating is very similar to the pit corrosion form.

结果表明：TiN涂层可以提高材料在中性和酸性溶液中的耐蚀性能，TiN涂层的保护机制为物理屏障作用；镀层的微观结构缺陷是涂层失效的主要原因，涂层下金属的腐蚀行为与孔蚀类似。

The invention discloses a rotary bending corrosion fatigue test device. The device includes a rotary bending fatigue test device and a corrosion liquor supplying system; wherein, the rotary bending fatigue test device is used for mounting a test piece and applies bending load on the test piece during the process of driving the test piece to rotate and realizes the test on the fatigue data of the test piece. The corrosion liquor supplying system includes a liquor storage tank, a transfusion pump, a flow adjusting valve and a connecting pipeline. The corrosion liquor supplying system feeds the corrosion liquor to the test piece during testing in real time from an output opening.

本发明公开了一种旋转弯曲腐蚀疲劳实验装置，该装置包括旋转弯曲疲劳实验装置及腐蚀液供给系统，其中，旋转弯曲疲劳实验装置用于试件的装卡，并在驱动试件旋转过程中对其施加弯曲载荷，以及实现对试件疲劳数据的测试；腐蚀液供给系统包括储液罐、输液泵、流量调节阀及连接管道，腐蚀液供给系统通过其输出口实时向测试中的试件输送腐蚀液。

The results indicated that 00Cr18Nil4Mo2Cu2 and 1Cr18Ni9Ti had poor corrosion resisting property, however, 00Cr25Ni22Mo4.5Cu and TA2 had good corrosion resisting property and were ideal material in Chloromethane production system.

选用了目前耐还原性腐蚀介质较好的几种工业材料，模拟现场的生产条件

Ceramic bearings can produce oxidation-ho, silicon carbide, silicon nitride and so on, diameter from 3mm-50mm, precision Machinable P0, P6, P5 level; its performance characteristics are: high temperature, oil-free self-lubricating, acid, alkali and salt corrosion , wear resistance, low noise, insulating diamagnetic, since high-speed operation; metal nano-ceramic bearing its production process for a new generation of high content of nano-particles in the heat and pressure infiltration of metal surface is activated to fill the cracks and pits the metal so that 3-5 micron metal surface is more smooth solid surface, greatly reduce the friction, improve Chennai base metals, and greatly increased the life span of bearings, and its characteristics are: long life (as an ordinary stainless steel bearings 2 -- 10-fold), low noise (as an ordinary stainless steel bearings, 70%), wear-resisting, acid, alkali, salt corrosion, high temperature, load large; ceramic bearing and metal nano-ceramic bearing design and development to meet the needs of the market for high-speed, low - noise, high load, the demand for corrosion-resistant; Machinery Production Department to produce aircraft rod end joint bearing, linear guide bearings, the fuel tank of earrings, plastic bearing, non-standard side bearing components, glass door hardware, such as high-precision control products; and provide CNC machining.

陶瓷轴承可生产氧化镐、碳化硅、氮化硅等，内径从3mm-50mm，精度可加工P0、P6、P5级；其性能特点为：耐高温、无油自润滑、耐酸、碱、盐腐蚀、耐磨、低噪音、绝缘抗磁、起高速运转；金属纳米陶瓷轴承其生产工艺为新一代的高含量纳米级微粒在热和压力的作用下被激活渗入金属表面，填补金属缝隙和凹坑，使金属表面3-5微米表面更光滑坚固，大大降低其摩擦力，提高金属的奈酸碱性，并大大提高了轴承的寿命，其特性为：长寿命（为普通不锈钢轴承的2-10倍）、低噪音（为普通不锈钢轴承的70%）、耐磨、耐酸、碱、盐腐蚀、耐高温、负载大；陶瓷轴承与金属纳米陶瓷轴承的设计开发以满足市场对高转速、低噪音、高负载、耐腐蚀的需求；机械生产部以生产机杆端关节轴承、直线导轨轴承、油缸耳环、塑料轴承、非标端轴承零部件、玻璃门控五金等高精度产品；并对外提供数控加工。

The paper is based on the theory of inter-function between water and rock, and losing energy in rock mass, brought forward that the water flow has head loss during water flow intruding through the coal seam effective water-resisting layer and energy waste concept for splitting rock mass, and analyzed the form of the remaining water pressure. Through the simulation experiment in the preventing water capability of water-resisting rocks in the coal seam scaleboard, studied the law, character of the losing in water head waste and the relation to pressure, water-resisting of hydrogeology and engineering geology character. Brought forward the new method of calculating the water inrush coefficient.

通过理论分析和实验研究，本文得出以下结论：高承压水在沿煤层底板隔水层导升过程中存在着明显的压力水头损失；同一地层条件下，煤层底板承压水水头压力越大其导升过程中的水头压力损耗就越大；同一水头压力条件下，地层的渗透性越差其阻水能力越强，水流导升过程中的水头压力损耗也越大；在同一介质中，当初始水头压力不同时，水流在导升过程中水头压力的衰减不同，在同一隔水介质中底板含水层水头压力越大其沿隔水层导升过程中的水头损耗也就越大，水头损耗随底板隔水层水头压力增加而呈递增趋势，另外它们相应的水头衰减速率也呈递增趋势，煤层底板隔

Whereas reservoir in EOR is high temperature and high degree of mineralization, polymer must take on good tractability and strong ability of resisting temperature and resisting salt, resisting shear to reach perfect effect as a kind of oil-displacing agent.

鉴于油藏温度高以及矿化度高的特点，要达到理想的效果，聚合物必须具有很好的增粘能力和很强的耐温、抗盐及抗剪切的能力。

Good aging-resisting and ozone-resisting performance to prove its heat-resisting performance.

具有优良的耐天侯老化和抗臭氧化作用，显著地提高了丁腈橡胶的耐热老化性能。

Given the language of section 102(2), the Supreme Court's rejection of substantive review under NEPA seems unjustifiable in principle

按照第102条的规定，最高法院否决《国家环境政策法》所规定的实质性复审在原则上似乎是不正当的。

ObjectiveTo explore the effect of variable hip abduction orthosis on children spastic cerebral palsy.

目的探讨髋关节矫形器在儿童痉挛型脑性瘫痪康复中的作用。