查询词典 angular acceleration

After the analysis this paper holds that the conclusion in line with Bohr Theory can be drawn only if one employs the symmetry satisfied by standing wave condition of circinal string vibration to strength the condition of forming the standing wave when handling angular momentum of the motion of electron going round nucleus in a circle.

提出应该利用封闭弦振动的驻波条件满足的对称性，以加强形成驻波的条件，来处理电子绕核作圆周运动角动量的量子化问题，才能得出与玻尔理论一致的结论。

These results reveal that, as an intrinsic property of the wave function of atoms, the angle of the probability distribution of the angular two-electron density is approximately equal to the bond angle of the molecular which usually can be explained by the hybridization theory.

结果显示，作为原子波函数的内禀性质，双电子密度最可几角分布的角度与通常由分子杂化轨道理论解释的相关原子的分子的结合键角近似相等。

The inelastic scattering angular distributions of discrete levels and double differential cross sections were calculated and analyzed by using the distorted wave Born approximation theory ,the unified Hauser-Feshbach model and the exciton model.

应用得到的光学模型势参量，根据光学模型、统一的Hauser-Feshbach和激子模型理论以及扭曲波玻恩近似理论，系统计算和分析了中子与58，60Ni反应的非弹散射角分布和双微分截面，理论结果与实验很好地一致。

Si content have been found by analyzing a large number of samples of the cast Ductile Iron Angular bearing box.

通过对铸态球铁角型轴承箱大量取样分析，找出产生石墨漂浮的原因及适合的C、Si含量范围值。

There is more to the boxfish than meets the eye: despite its angular body, it is an excellent swimmer whose cube-shaped structure is by no means a hindrance.

除了呈现在我们眼前的这一切， boxfish 还具有很多的特点：它虽然身体瘦小，但却是出色的游泳健将，立方形的身体结构并没有成为阻力。

The power required during a turn can be expressed by [6.6] where V is the speed of the center of gravity of the vehicle during a turn, is the frictional torque of the brake in the steering system, and is the relative angular velocity of the frictional elements in the brack.

所需功率在一转，可以表达[ 6.6 ] 如果v是速度，质心的车辆在转弯，是摩擦力矩制动，在助力转向系统，是相对角速度的摩擦因素在brack 。

The elementary principle of the method is to get out acoustic information from acoustic solid medium firstly through Bragg diffraction ,and then to measure the difference of deflection angular from reference beam of light.

该方法的核心是通过声光布喇格作用，把SAW陀螺效应引起的声速变化信息寄载到布喇格衍射光中，通过检测布喇格衍射角度推算出固体介质的旋转角速度。

The result shows that the canard parameters and angular velocity are the main factors which influence the dynamic stability of the controllable projectile and should be controlled reasonably in the process of the design of aerodynamic configuration and trajectory.

结果表明，舵面参数与弹丸转速是影响有控弹道动稳定的主要因素，须在气动布局参数设计和弹道设计时加以合理控制。

And, four kinds of typical reflecting systems were discussed in detail. Comparing the results, it is found that the angular blur spots in a Dall-Kirkham system and an inverse Dall-Kirkham system are at the same order of magnitude, which is almost ten times of a Cassegrain system′s.

详细讨论了四种典型的反射系统，Dall-Kirkham系统和反Dall-Kirkham系统的弥散斑角宽尺寸在一个数量级上，大约为卡塞格林系统的十倍。R-C系统的弥散斑角宽最小，几乎是卡塞格林系统的十分之一。

The problem of a curved rigid line or crack crossing the interface of the circular inclusion are studied by the principal part analysis method of Cauchy type integral equation. The singular stress index at the intersection and the singular stress at the angular regions near the intersection are obtained. The singular stress coefficients of rigid line at intersection and the stress intensity factors of crack at intersection are defined by using the singular stress.

利用Cauchy型奇异积分方程的主部分析方法对曲线型刚性线和曲线裂纹和圆夹杂界面的相交问题进行了研究，得出刚性线以及裂纹和界面交点处的奇性应力指数以及交点处角形域内的奇性应力，并利用奇性应力分别定义了刚性线在交点处的应力奇异因子和裂纹在交点处的应力强度因子。

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。