Through permeability resistance test, sulfate corrosion test and abrasion resistance test, the relationship of construction techniques, concrete surface quality and durability was reached.
通过混凝土抗渗性试验、抗硫酸盐腐蚀试验和耐磨性试验，得出施工工艺和混凝土表面质量与混凝土耐久性的关系。
The surface morphology progression of grey cast iron due to cavitation erosion induced by tap water has been studied carefully by cavitation corrosion test and SEM observation in turn.
采用空泡腐蚀与定位跟踪观察交替进行的方式，研究了灰口铸铁在自来水中空泡腐蚀过程的表面形貌演变。
Salt spray test machine for a variety of surface materials by electroplating, anodizing, painting, rust-proof oil, anti-corrosion treatment, testing its products on the corrosion resistance.
盐水喷雾试验机针对各种材质之表面经电镀、阳极处理、喷涂、防锈油等防腐蚀处理后、测试其制品之耐腐蚀性。
The test results showed this material had proper hardness, free of ridging defect on the surface, and had a stronger corrosion resistance to chloride than that of SUS430 steel.
试制结果显示该材料的硬度适中、抗皱性好并且抗氯化物腐蚀能力比SUS430钢强。
The salt spray test results of piston rods with different surface qualities showed that superfinish process of piston rods before plating can improve corrosion-resistance of piston rods significantly.
不同表面质量的连杆盐雾试验对比表明：镀前对汽车减振器连杆进行表面超精加工可显著提高连杆的耐蚀性。
Corrosion resistance of aluminum tube surface with silane-rare earth composite coating was studied by electrochemical means, weight loss and salt spray test respectively.
采用电化学、失重和盐雾实验对铝管表面硅烷稀土复合膜的耐蚀性进行考察。
This test has been shown that the hardness and the anti-corrosion properties of the Ta-surface will be greatly improved by use of the N-ion implantation.
实验研究证实，通过氮离子注入的方法对钽基材进行表面强化，可大大提高钽材的表层硬度及耐蚀性能。
The results show that the laser surface melting treatment improves greatly the homogenization, compaction and the corrosion resistance of rare earth permeating layer under the condition of test.
结果表明，在一定条件下，激光熔凝处理可进一步提高纯铁渗稀土层组织的致密性与均匀性，显著提高稀土渗层的耐蚀性。
The surface condition (roughness) of corrosion test sample has a pronounced influence on the pitting resistance of the base metal.
腐蚀试样的表面状态（粗糙程度）对母材金属的耐点蚀性能有明显的影响。
The surface condition (roughness) of corrosion test sample has a pronounced influence on the pitting resistance of the base metal.
腐蚀试样的表面状态（粗糙程度）对母材金属的耐点蚀性能有明显的影响。
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