Results After stress-corrosion test, there was no discoloration in the weld zone of the laser-welded cast samples.
不进行应力腐蚀试验的激光焊接铸钛试样作为对照组。
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。
The Inspection of concrete strength of cast in situ piles by Ultrasonic is to identify concrete strength at the same time to test uniformity and integrality of pile body.
超声检测灌注桩混凝土强度是指在超声检测桩身混凝土匀质性、完整性的同时确定桩身混凝土的强度。
The wear resistance of chilled cast iron cams with different graphite contents in the chilled layer were studied through wear contrast test.
采用磨损对比试验,研究了激冷层中不同石墨含量激冷铸铁凸轮之间的耐磨性关系。
A kind of method to evaluate and test the tension-compression fatigue strength of gray cast iron was introduced in this paper.
介绍了一种评价与测试灰铸铁铸件的拉压疲劳极限的方法。
Study metallographic structure of phosphor eutectic and boride in continuous cast iron. The microstructure of piston has been analyzed and proved after wear test.
研究水平连续铸造方式下高磷含硼铸铁中磷共晶和硼化物的分布特点,并进行超耐磨性试验,对磨损试验后材料的微观形貌进行试验验证分析。
In order to understand float resisting mechanism and its characteristic a test on the bored cast-in-place pile with enlarged bottom and up-lift resistance pile with equal section is carried out.
为了了解扩底抗拔桩的抗拔机理和抗浮特点,进行扩底抗拔桩和等截面抗拔桩的试桩试验。
According to the test result, the corrosion characteristic of flake cast iron in salt lake bittern is analyzed in this article.
根据试验结果,分析了灰铸铁在盐湖卤水中的腐蚀特点。
Combined with the distribution rules of steel fiber in spun-cast concrete, the test results are analyzed.
结合离心成型钢纤维混凝土构件的纤维分布规律,对上述试验结果进行了分析讨论。
Pile foundation is widely used in construction in Shanghai region, but the site test data on bearing capacity of pre-cast concrete pile based on cohesive soil were lower than theoretical level.
上海地区建筑工程普遍采用桩基,但以粘性土为持力层的预制桩实测承载力普遍低于理论值,主要是因为休止期较短及对端承力作用认识不足。
Based on the practice, it analyses the performance and limitation of borehole cast-in-place concrete pile, and introduces the methods of quality test: especially the stress reflection method.
结合工程实例,分析了钢筋混凝土钻孔灌注的特点及常见缺陷。介绍了基桩质量检测的常用方法及反射波法检测钻孔灌注桩的基本原理、方法。
Based on the analysis of hyperbolic model of skin friction, this paper introduces in-situ static test results of cast-in-place piles conducted in some place of Shanghai.
在对侧摩阻力双曲线模型进行分析的基础上,对上海某地区灌注桩进行了现场试验。
Select the composition of giving out heat desulphurization agent by test. It is used in the production of nodular cast iron.
通过试验对发热脱硫剂的组成进行了选择,并应用到球黑铸铁生产中。
A hot torsion test was used in this study for measuring and comparing the hot plasticity curve of as-cast and hot rolled HSS.
本研究采用热扭转法测定和比较了铸态与轧态高速钢的热塑性特征曲线。
In order to determine the influence on account of operating conditions, aeration time, DO, reflux ratio, water drainage ratio were studied by using small CAST test-bed.
为了确定运行条件的影响,采用搭建CAST小试试验台对曝气时间、DO、回流比、排水比进行了研究。
It is the basic method of understanding the performance behavior of big diameter driven cast-in-place pile by the test of stress and strain.
桩身应力应变测试是从微观上了解桩基工作性状的基本方法。
To test which areas are in light and which are in shadow, you can cast a shadow with a pencil on the object.
注意中央光和高光的位置是不一样的。明暗交界线是物体从亮部转入暗部的区域。这个就是光线和表面相切。
The effect of Si content on the corrosion wear resistance of low chromium white cast iron in the slurry with Cu2+ ion was studied by three-body corrosion wear test.
而增加含硅量后的低铬白口铸铁的腐蚀磨损耐磨性将比普通白口铸铁的高。
To concrete used to test cast-in-place concrete project and prefabricated parts quality, forming method of specimen shall be the same as method adopted in practical construction.
的宜用捣棒人工捣实。检验现浇混凝土工程和预制构件质量的混凝土,试件的成型方法应与实际施工采用的方法相同。
The test results would be helpful to the large diameter rock-socketed cast-in-place piles in the soft bedrock under lateral loads.
试验得出结论对软质基岩横向承载力桩的研究和设计具有重要参考价值。
The test results would be helpful to the large diameter rock-socketed cast-in-place piles in the soft bedrock under lateral loads.
试验得出结论对软质基岩横向承载力桩的研究和设计具有重要参考价值。
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