查询词典 angular acceleration

Based on the Hertzian contact theory, the pressure distribution on balls of a pair of angular contact ball bearing under three dimensional loading conditions was analyzed.

本文首先介绍了Hertz接触理论的基本特点与求解过程，对于实际存在的有限长线接触问题进行了详细讨论并完成了对该问题基本积分方程的一维数值求解。。。

Individuals with PC-2 may also have natal or neonatal teeth, hair abnormalities , angular cheilosis, and hidradenitis suppurativa.

两种不同类型的PC在临床上除了都具有甲肥厚、掌跖角化、掌跖多汗和毛周角化外，还具有各自特征性表现。

RESULTS: There were three functions of hamstring in gait cycle: decelerating the concentric contraction of the iliopsoas at bending hipbone; decelerating the concentric contraction of the quadriceps at knee bending; as well as making the lower limbs under the knee get certain angular momentum at toe-off, by eccentric contraction.

结果：腘绳肌在跑步周期中的作用有3个：在屈髋时通过离心收缩拮抗髂肌；在伸膝时通过离心收缩拮抗股四头肌；在支撑阶段通过向心收缩为膝关节提供动态稳固作用和使小腿和足获得一定的角动量。

Although the anatomy of these veins is variable, most vessels drain into the facial vein inferiorly and/or the angular vein as it courses toward the medial orbit.

虽然这些静脉解剖可能发生变异，但是大部分血管都引流至下方的面静脉和/或向眶内侧走行的内眦静脉。

Although the anatomy of these veins is variable, most vessels drain into the facial vein inferiorly and/or the angular vein as it courses toward the medial orbit.

虽然这些静脉的解剖位置可能发生变异，但大部分血管都回流至下方的面静脉和/或向眶内侧走行的内眦静脉。

In sagittal plane,the PPSI of each level moved from inferoposterior to superoanterior with an arc trajectory.The PPSI displacements and angular variation increased from L1 to L4,however,these two decreased in L5 simultaneously.The rotation radius had no relationship with lumbar segment.Flexion-extension ROM from L1/2 to L5/S1 increased gradually.

各腰椎屈伸运动时PPSI矢状位上呈由后下至前上的弧线轨迹，L1~L4其位移量和倾斜角度逐渐增大，L5两值同时减小；其旋转半径与腰椎序列无明确关系。L1/2至L5/S1屈伸活动度逐渐增加。

The blood supply of infraorbtal orbicularis oculi muscle mainly come from the angular artery,the infraorbital artery and the zygomaticoorbital artery,whose external diameter is 0.2～0.8 mm.

眼轮匝肌眶下部血供主要来源于内眦动脉、眶下动脉及颧眶动脉等分支，其外径在0.2～0.8 mm之间。

Based on the theorems of holography and linear system,the numerical reconstructing methods of the off-axis lensless Fourier transform hologram by Fresnel diffraction formula and by the convolution method based on Rayleigh-Sommerfeld diffraction integral and by angular spectrum theorem are studied.

根据全息理论和线性系统理论，采用离轴无透镜傅里叶变换全息记录光路，对利用菲涅耳近似法、基于瑞利—索末菲衍射积分的卷积法以及角谱理论方法数值重建全息图进行了比较研究，并做了计算机模拟验证。

Angular and elevation accuracies were +/- 1 degree with lobing turned on.

它发射功率50KW，脉冲宽度7-15usec。，频率200MHz，脉冲重复频率 4098pps。。

Female flowers: pedicels terete or angular; sepals as in male; disk saucer-shaped or patelliform, sometimes thickened, entire or lobed; ovary (2 or)3(or 4)-locular; ovules 2 per locule; styles free, spreading, apex bifid or entire.

雌花：花梗圆柱状或者具角；萼片与雄花中相似；花盘茶托状或小盘状，有时加厚，全缘或具裂；子房(2或者)室3(或4)；每室胚珠2；花柱离生，平展，先端2裂或全缘。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。