On the base of the general theory of thin-walled members, we deduce a new critical moment formula of steel beam under transverse loads which pass the shear center and parallel to the main axis.
就国内现有的薄壁钢梁弯扭失稳理论进行了分析，从薄壁杆件的一般理论出发，推导出荷载过截面弯心并与主轴平行的受弯钢梁的临界弯矩公式。
What they saw at the McKees Rocks, Pa., metal service center was a lot of repetitive, tedious, and sometimes strenuous operator movement around the shear.
他们在宾夕法尼亚州的McKeesRocks金属服务中心看到许多操作工人围着剪板机在进行重复、枯燥和费力的工作。
TEM observation showed that the center of the adiabatic shear band (ASB) was composed of recrystallized nano-grains (about 30-70 nm in diameter).
TEM观察表明绝热剪切带(asb)中心区域由30- 70纳米的等轴晶组成。
So a split-type shear box is adopted to conduct the in-situ shear test in order to make the stress on the shear plane uniform and ensure the shear stress to running through the center o.
我们改进后采用分体式剪切盒进行原位土体试验，使剪切面上的应力分布均匀，保证剪力通过剪切缝中心，同时在试验过程中法向及剪向加载时试体稳定性得到了很好的改善。
Mother Du sits upright on the small Wu son to too the madam shear toe nail and say with smile:"As long as the day leads well" who drive who the Ye is in the center of palm is all similar.
杜妈妈正坐在小杌子上给太夫人剪脚指甲，笑道：“只要日子过得好”谁被谁拽在手心时都是一样。”
The silver- colored ring around the center of the core is at the shear line.
在锁芯中央的银色金属片就是切线！
The rain storm activities relate to the mesosynoptic systems such as the mesoscale shear line, the mesoscale convergence line and the mesoscale convergence center.
雨团活动与中尺度切交线、辐合中心、辐合线等中尺度天气系统相配合。
It is pointed out that the rainstorm center is under the wind shear, above which convergence center and the maximum positive vorticity exist.
指出暴雨中心位于风速切变的下方，同时上空也伴随辐合中心，以及正涡度极大值。
Horizontally pushing lifting jack of direct shear tests are operated on rock mass shear strength test. - center point group analysis is used for treating shear test data.
用平推法直剪试验进行岩体抗剪断强度试验，用-点群中心法处理直剪试验数据。
Horizontally pushing lifting jack of direct shear tests are operated on rock mass shear strength test. - center point group analysis is used for treating shear test data.
用平推法直剪试验进行岩体抗剪断强度试验，用-点群中心法处理直剪试验数据。
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