通过对轴承结构中的滚子尺寸、滚子数量、外圈滚道直径、止动槽直径公差及有效壁厚的改进，提高其使用的可靠性。
By the way of improving roller dimensions, roller number, outer roller path diameter, stop groove diameter and the effective thickness, the using reliability of the bearing is advanced.
实践表明，反变形法和加支撑刚性固定是控制这种大型特厚壁结构焊接变形的有效方法。
The practice have proved that the anti -distortion plus with rigid fixing are the effective measures for controlling the distortions of this huge welding structure.
计算结果表明：在转臂上施加一定的反向弯矩，能有效减小弯管的壁厚减薄率。
It shows that pipe bending by using induction heating applied a counter torque can efficiently reduce the thinning ratio of pipe wall thickness.
得出液氮研磨-超声波破碎法是一种稻曲病菌厚垣孢子破壁的有效、简便、适宜在实验室应用的方法。
Therefore, liquid nitrogen grinding plus ultrasonic crushing method is an effective, economic, convenient wall-breaking method for U. virens in the laboratory.
研究及实践表明，目前已有多种技术用于抑制、减缓上述壁厚减薄现象。其中，选用抗fac性能优良的管道材料能有效地降低壁厚减薄速率并已在设计或设计变更中得到广泛应用。
Using of the excellent FAC-resistant piping materials can effectively reduce the rate of wall-thinning, as a result, it has been widely used in design or later design alteration.
研究及实践表明，目前已有多种技术用于抑制、减缓上述壁厚减薄现象。其中，选用抗fac性能优良的管道材料能有效地降低壁厚减薄速率并已在设计或设计变更中得到广泛应用。
Using of the excellent FAC-resistant piping materials can effectively reduce the rate of wall-thinning, as a result, it has been widely used in design or later design alteration.
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