Study on Spatial Change of the Center of Gravity of Manufacturing Employment Distribution in Beijing——Based on Economic Unit Census;
北京市制造业就业分布重心变动研究——基于基本单位普查数据的分析
Measure technology of the center of gravity of ejection seat-pilot system;
弹射座椅与飞行员系统重心测量技术
Analysis about Parameter of Body Center of Gravity for Toeloop Jump;
后外点冰跳人体重心各参数的研究
The theorems of barycenter and volume of simplex;
单纯形的重心定理和体积定理
According to the theorem about triangle barycenter and other practical situations, this paper introduced a geometry method of designing the location of force sensors of weighing hopper in automatic mixing and feeding system.
介绍根据三角形重心定理结合现场实际情况用几何作图方法确定连续自动配料系统中称重料斗的实际重心及弹性受力元件的安装位置,使两者尽量重合于同一垂直轴线,达到减少重量测量误差,提高测量精度和配料效果的目的。
With MasterCAM software, this paper analyzes the barycenter, mass, superficial area and rotary inertia of the figure with with irregular plane or the object with complex form, which provides an effective approach to calculate these parameters.
用MasterCAM软件分析了平面不规则图形或复杂物体重心、质量、表面积和转动惯量,为准确计算这些参数提供了一种有效的途径。
As the jack-up platform has a higher centre of gravity and a larger windward area, owner, designers and operators are extremely concerned for its floating stability.
自升式平台由于重心高、受风面积大,它的漂浮稳性一直是业主、设计者和操作者最为关注的问题之一。
By applying "the visual environment analytical method" and "the approxiamate centre of gravity",the visual environment in city plaza,setting the construction of the Bell and Drum Tower is mainly discussed as an example,it points out that great attention must be payed on visual environment of architecture during the renewing and protection process of the historical areas.
以“近似重心法”为手段，运用视觉环境分析方法，结合西安市钟鼓楼广场建设工程，探讨了城市广场的视觉环境问题。
according four original movements of Taijiquan experimented by the author for many years, the author cliscorers the exertion sequence, centre of gravity, the exercise muscles and joints.
从中研究出掩手肱捶动作的用力顺序、重心移动路线以及参与发力肌肉与关节部位。
To determine the pilot dimensions on which the kinetic stabilization adjustment design of ejection seat depends,regression analysis of 292 pilots dimensions and their combined gravity centers of pilot-seat systems were conducted.
为确定火箭弹射座椅动力稳定调节方法设计所应依据的人体参数,对292例飞行员的人体参数及人椅系统组合重心数据进行了回归分析研究,综合确定了以体重和身高作为调节依据参数,并求出了该参数与人椅系统组合重心的回归方程。
Based on the railway transportation data from 1978 to 2005,the four targets,such as passenger,passenger kilometers,freight traffic,freight ton kilometers are analyzed;and gravity center model,coefficient of variation and the weighted coefficient of are applied to in order to measure and evaluate the regional railway transportation disparities.
利用1978~2005年的铁路运输数据,采用重心模型、变异系数和加权变异系数,从客运量、客运周转量、货运量和货运周转量4个方面,对中国铁路运输的区域差异进行了统计分析和评价。
The horizontal movement of body′s gravity center can be tested and used to analyse the relationship between human body stability and automobile parameters.
通过测试人体重心的水平运动,可以分析人体的稳定性与车辆参数的关系,有助于在车辆设计中提高乘坐舒适性。
A Centre of Gravity Detecter Based on 80C198 Single Chip Microcomputer;
基于80C198单片机的重心测试仪
Two main issues should be solved to investigate tilting mechanism: one is the relation between stroke of hydraulic cylinders and body tilting angle involving whether the control and bodies can reach the tilting angle required or not; the other is the relation between body gravity and tilting center directly influencing riding comfortability and vehicle stability.
倾摆机构的研究要解决两个主要问题 :一是液压缸行程与车体倾摆角之间的关系 ,它涉及控制及车体能否达到所要求的倾摆角 ;二是车体重心与摆心的关系 ,它直接影响乘客乘坐舒适性及车辆稳定性。
This article presents an analysis of the bordering condition of the overbroken block in an opening, the determination of types and characters of the overbroken block, and estimation of the volume and the center of gravity, on the basis of the investigation of overbreaking in an opening at a hydroplant.
通过某电站勘探平洞的超挖测绘 ,分析了平洞超挖块体的边界条件 ,确定了超挖块体的类型及其特征 ,推导了各类型超挖块体体积及其有关重心位置的计算公式 ,评价了各类型超挖块体的体积及其相关分布模型 ,以及块体重心位置的分布特征 ,这对于节理岩体地下洞室稳定性评价以及加固处理方案的确定具有一定指导意义 。