Then hardness of coatings and substrate was measured. By means of bend-rotation fatigue tests, fatigue strength of coating and uncoating specimens was compared after hardening and tempering.

1、

After hardening 4h and 8h the compressive strength of the patched concrete is bigger than 20 MPa, which can satisfy the request of fast patching.

修补混凝土硬化后4h、8h抗压强度大于20MPa，能满足快速修补的要求；

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2、

By means of bend-rotation fatigue test, the fatigue strength of Ni based alloy-WC composite coating and uncoatings specimens were compared after hardening and tempering.

通过旋转弯曲疲劳试验，比较涂层试样与未涂层试样在调质处理后的疲劳强度。

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3、

Physi-cal properties of cement paste and fresh concrete must be emphasized because of their decisive determination of the properties of cement and concrete after hardening.

特别需要重视水泥浆体和新拌混凝土的物理性质，因为就是它们，决定了水泥与混凝土硬化后的一系列性能。

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4、

At the strong base, the surface of sand would been dissolved partly, and form a double salt with alkali in binder after hardening.

在强碱性粘结剂的作用下，砂粒表面会部分溶解，溶解部分固化后与粘结剂中的碱一起形成复盐；

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5、

Mechanical properties of three after-forged heat treatment samples are all meet or exceed the demands of performance index after hardening and tempering.

三种热处理工艺调制后的试样力学性能均达到或超过生产指标要求。

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6、

Variation of Thickness and Density of Metal-Grinding Disks before and after Hardening

浅析烤制前后金属磨片厚度和密度的变化

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7、

Construction practice and tests show that the lime content is a direct factor for the after hardening strength of the base course.

工程实践及试验表明：石灰的掺量对路面基层后期成型强度有直接影响。

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8、

Behind The Wheel Research on Hardening and Soften Treatment after Hardening of the Train Wheel Bruise

车轮踏面的硬化及硬化后的软化处理研究

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9、

Rolling bearing manufacturers eliminate such dimensional changes by a defined tempering process after hardening.

滚动轴承制造商通过界定回火过程等来消除淬火后的尺寸变化。

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10、

It emphasizes the reasons and features of cracks development of wall concrete before and after hardening.

本文对住宅墙体混凝土的早期与长期裂缝的出现原因进行了分析，着重论述了墙体混凝土硬化前后的裂缝发展的机理及特征。

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11、

The performance and service life of blade can be greatly improved after hardening.

经过激光处理后的锯片使用性能和寿命大幅度提高。

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12、

And the concrete has good intensity and durability after hardening.

硬化后强度高，耐久抗性好。

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13、

Experiment achievement analysis of detecting the strength of concrete after hardening

事后检测混凝土强度实验结果分析

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14、

Screw Filling Machine and Air Current Distributing Machine are Relative Researched in the Application of Producing Sterile Powders for Injection

螺杆分装机与气流分装机在粉针生产中的对比应用

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15、

The internal structure of the arc control device could be determined approximately as the finish of the design of the air current field.

在气流场设计完成后，灭弧室的内部结构也就基本确定。

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16、

Analysis on air current and presure field of process of land sandy and coarse desertification in arid region of China

中国干旱区土地沙砾化过程的空气流压场分析

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17、

Effects of Combustion Chamber Shape of the Direct Injection Type Diesel Engine on the Air Current Movement and the Emission Characteristic

直喷式柴油机燃烧室形状对气流运动及其排放特性的影响

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18、

The air current water extractor is gluten flour produces the widespread application drying apparatus.

气流干燥器是谷朊粉生产广泛应用干燥装置。

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19、

Wind Tunnel Simulation to Determine the Effect of Underlying Sand-laden Layer Surface Characteristics on Air Current Turbulence

下垫面条件对风沙活动层气流紊动性影响的风洞模拟

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20、

The meridional structure of the vertical circulation over the path of cross equatorial air current

越赤道气流通道上的经向垂直环流结构

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