查询词典 corrosion resisting

In general, the corrosion rate for the alumina and chrome refractory in the iron phosphate melts was no higher than their corrosion rate in the DWPF melt now used at the Savannah River Site.

同时，氧化铝和氧化铬耐火材料在铁磷熔体中的腐蚀速度小于它们在硼硅酸盐熔体DWPF中的腐蚀速度。

The results show that the mineral admixtures can reduce C3A quantity in the cement material, and the pozzolanic reaction can consume lots of hydration product-Ca2, Which makes specimens close-grained, has obvious prevention function towards the sulfate corrosion. The anti-sulfate corrosion effects of various mineral admixtures from finer to poorer in turn are as follows: 30% fly ash, 30% fly ash + 30% slag, 60% slag, 30% steel slag + 30% slag, 30% steel slag, 30% slag, the blank type.

研究结果表明：加入矿物掺合料降低了试件的胶凝材料中的C3A含量，其火山灰反应消耗了大量的水化产物Ca2，且提高了试件的密实度，对硫酸盐侵蚀具有明显的预防缓解作用；各矿物掺合料的抗硫酸盐侵蚀效果由优到劣依次为：30%粉煤灰，30%粉煤灰＋30%矿粉，60%矿粉，30%钢渣＋30%矿粉，30%钢渣＞30%矿粉，空白样。

The research of reservoir characteristics indicate that the T_1j~2_2 reservoir's pore spaces were dominated by intercrystalline pores and corrosion pores, there have 1 ~2 high porosity section by corrasion in Mainan structure, the porosity is 6~16%,and in this area reservoirs mainly belong to type Ⅱ and typeⅢ, the reservoir type was defined as fracture-pore type. and the reservoir physical property were primarily dominated by sedimentary fades、 corrosion and dolomization.

储层特征研究表明，嘉二~2储层以白云岩的晶间孔、溶孔为主，麦南构造存在1～2个溶孔发育的高孔段，孔隙度约为6～16%，储层主要为Ⅱ、Ⅲ类，储集类型属裂缝—孔隙型，储层物性主要受沉积微相、溶蚀作用及白云岩化作用的控制。

In this paper the classification of corrosion factors and the selection of key parameters in corrosion modeling were studied.

研究了腐蚀因素的分类以及腐蚀模型中关键参数的选择等问题。

In this paper, the concept, principle, common forms and corresponding prevention measures of galvanic corrosion and crevice corrosion are introduced.

主要介绍了电偶腐蚀和缝隙腐蚀的定义、发生原理、常见形式及相应的预防措施。

The morphologies of corrosion product surfaces, cross sections and fractures were examined by means of SEM, and the element distribution in corrosion product scales was also analyzed.

测定了腐蚀动力学曲线，观察了腐蚀产物表面，横截面和脆断断口的形貌，并分析了元素的分布，确定了腐蚀产物的相组成。

The electrolysis corrosion rates in the cryolite molten salt under different current densities were measured and the corrosion mechanism was preliminarily discussed.

用X射线衍射和扫描电子显微镜对材料的组成和微观结构进行了研究，测量了样品在冰晶石熔盐中不同电流密度下的电解腐蚀速率，并对其腐蚀机理作了初步探讨。

Experiment results indicated that the anodic processes of copper, cupronickel-welded joint and brass-welded joint were similar in artificial seawater. At the same electrode potential, the corrosion current of cupronickel was the lowest and the corrosion resistance was the best, which is consistent with the EIS result.

结果表明：紫铜、白铜焊缝和黄铜焊缝在人工海水中的阳极过程类似，相同电位下，白铜焊缝的电流密度最小，耐蚀性最佳，与阻抗测试结果一致。

The corrosion rate, corrosive wear rate and polarization curves of aluminium brass and cupronickel alloy were determined in 3.5%NaCl and 3.5%NaCl+NH3(NH4+)solutions, the wear tracks of copper alloys were observed by SEM, the specific energy of the surface layer after corrosion was also measured by single pendulum scratching test.

本文通过测定HA177－2，BFe30－1－1在3.5％NaCl和3.5％NaCl＋NH3（NH4+）溶液中的腐蚀速率、腐蚀磨损率和电化学行为以及观测腐蚀磨损后铜合金的微观形貌，研究了腐蚀后样品的表层性能。

Based on the field investigation of grouting tunnels in the mountain on the left bank of the Shuibuya Dam, a sectional statistical analysis is performed on the areal corrosion ratio of grouting tunnels at different elevations of the curtain line section and the maximal diameter of solution caves, and the corrosion characteristics of rocks in the section of impervious curtain line are obtained.

利用水布垭大坝左岸山体灌浆平硐现场的调查结果，对防渗帷幕线剖面不同高程灌浆平硐的面溶蚀率和最大溶蚀洞径进行分区统计分析，获得了防渗帷幕线剖面岩体溶蚀特性。

No complex distressful things on your mind but only our love and care for each other.

无复杂痛苦的事情，对你的心，但只有我们的爱和照顾对方。

At first light, on his own initiative, Vick located the enemy emplacements andfired on them, using 15 rounds.

破晓时分，维克主动地去查找敌军的炮位并向它们开火，打了15发弹药。