查询词典 corrosion inhibitor

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。

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 water treatment chemicals investigated in this work include flocculating agent, germicide, corrosion inhibitor and scale inhibitor. The green properties of water treatment chemicals are determined according to pollution resulted from their uses in oil field and their production processes, while their treatment performences are done from the experimental effects in oil field. The evaluation results are given for flocculating agents, germicides, corrosion inhibitors and scale inhibitors used in Daqing Oil Field.

对于水处理剂产品，本文主要考虑产品的使用和生产过程对环境的污染，以确定产品的绿色属性；通过详细调研，给出了一些产品在使用过程中的处理性能，最终确立油田用水处理剂产品的综合性能，同时针对水处理剂中的四大类产品—絮凝剂、杀菌剂、缓蚀剂和阻垢剂分类进行了比较，为油田用水处理剂产品的使用提供了较有说服力的数据，也为其它油田化学品的使用和评价提供了借鉴。

Via the reacher on LJ-1, we know its water solubility is good,without emulsion inclination, has temperature＆salt-resistant ability,when it used with Zinc dihydrogen phosphate, sodium sulfite and scale inhibitors, the corrosion inhibitor effectiveness can enhanced,when used with Thiourea the corrosion inhibitor effectiveness can decrease,so it can not used with thiourea.

通过对LJ-1缓蚀剂进行性能评价，发现本品水溶解性较好；无乳化倾向性；具有一定的抗温性和抗盐性；将它与磷酸二氢锌、亚硫酸钠和阻垢剂进行复配时，能提高缓蚀剂的缓蚀效果，说明它的配伍性良好，当与硫脲复配时，它的缓蚀效果有所降低，说明它与硫脲不能复配使用。

Acetone, cyclohexanone, formaldehyde and ethylene diamine were adopted to synthetise HLZ corrosion inhibitor by means of Mannich reaction.Then LZ-620 salts corrosion inhibitor was synthetised on HLZ condensating chloroacetic acid.

针对盐类腐蚀采用丙酮、环酮A、甲醛、乙二胺通过曼尼希反应生成缓蚀剂后再与氯乙酸缩合生成盐类缓蚀剂(LZ-620)。

By confecting simulation corrosion solution of pressuring air cooler system of Maoming Petrification and using CMB-1510B portable instantaneous corrosion rate meter, the experimental inhibition efficiency of organic corrosion inhibitor of Na2S and its compound was evaluated.

在实验室模拟茂名石化加压空冷器系统的腐蚀溶液，运用CMB-1510B便携式瞬时腐蚀速度测量仪评价了多硫化钠复合缓蚀剂的缓蚀性能。

Medium added inhibitor, could slow down the corrosion of equipment and valves, such as chrome-nickel stainless steel in sulfuric acid containing no oxygen, the great state of cremation within the range of solubility, corrosion more serious, but a small amount of copper sulfate or nitric acid and other oxidants, can change the passive stainless steel surface generates a layer of protective film to prevent the medium of etching, in hydrochloric acid, if a small amount of oxidant, which reduces the corrosion of titanium.

介质中添加缓蚀剂，可使设备和阀门的腐蚀减缓，如铬镍不锈钢在不含氧的硫酸中，很大的溶度范围内成火化态，腐蚀较严重，但加入少量硫酸铜或硝酸等氧化剂，可使不锈钢转变钝态，表面生成一层保护膜，阻止介质的的浸蚀，在盐酸中，如果加入少量氧化剂，可降低对钛的腐蚀。

The results show that DFR-corrosion-influence-factors are decreasing as the increasing of ground-corrosion-time and the aggravating of environments causticity. The influence of corrosion fatigue is much serious than that of ground-corrosion. The example of structure fatigue analysis with DFR method under corrosive environment shows the detail steps and data requirements.

通过试验测定了各种典型情况的DFR腐蚀影响系数，试验结果说明DFR腐蚀影响系数随着地面停放腐蚀时间的增加和环境腐蚀性的增强而降低，腐蚀疲劳的影响较停放腐蚀的影响更严重。

Combining with the National Natural Science Foundation ofChina(No.50478032), following researches were done in this thesis: 1 The variation regularity of the ultimate anti-bending capacity of therectangular-sectioned beam with different corrosion has been obtained through thequalitative analysis of 48 beams (32 corroded beams and 12 comparing beams) withaccelerated corrosion; 2 The conclusion has been obtained that the strain of corroded steel bar andconcrete no longer fit in with the assumption of plane section through the analysis ofthe strain data, the strain relation of steel bar and concrete in the mid-span section ofvariously corroded beams at ultimate has been obtained. Through the building of newgeometric relation, the expression of the height of compressive area in the corrodedbeam with rectangular section has been deduced, and the formula with corrosion rateas the main variable for the anti-bending capacity of the corroded concrete beam hasbeen suggested and verified by experiment.; 3 The influence of steel bar corrosion and the concrete regression to the flexureductility coefficient of the corroded structure component has been analyzed. Based onthe relation of steel bar and concrete at yield and ultimate, the expression for theflexure at yield and ultimate of corroded reinforced concrete beam, and the model forthe calculation of the flexure ductility has been built.

本文结合国家自然科学基金项目(50478032)"既有钢筋混凝土桥梁时变可靠度研究"，主要进行了以下研究工作： 1通过对48根快速锈蚀钢筋混凝土矩形截面梁(32根锈蚀梁和12根对比试验梁)数据的定性分析，得到了不同锈蚀率下，锈蚀钢筋混凝土矩形截面梁极限抗弯承载力的变化规律； 2通过对应变数据的分析，论证了锈蚀构件钢筋和混凝土的应变不再符合平截面假定的结论，并通过回归分析得出了不同锈蚀率的螺纹钢筋梁和光圆钢筋梁在极限弯矩作用下，跨中截面处钢筋应变和钢筋处混凝土应变的关系，通过构造新的几何关系，得出了锈蚀钢筋混凝土矩形截面梁计算受压区高度的表达式，既而得出了以锈蚀率为主要变量的锈蚀钢筋混凝土矩形截面梁的正截面抗弯计算建议公式，并通过试验数据加以验证； 3分析了钢筋锈蚀和混凝土劣化对锈蚀构件曲率延性系数的影响，结合钢筋屈服和极限弯矩两种状态下钢筋和混凝土的应变关系，分别得到了锈蚀钢筋混凝土矩形截面梁屈服曲率和极限曲率的计算表达式；既而推导出曲率延性系数的计算模型。

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。