center of buoyancy是什么意思

用法例句

Precise calculation of buoyancy and its center for launching Jackets;

导管架下水过程中浮力及浮心精确计算

Model Test of Underground Structure Buoyancy;

地下结构浮力模型试验研究

Structures and Properties of Kapok Fiber and the Wettability and Buoyancy Characteristics of Kapok Fibrous Assemblies;

木棉纤维结构和性能及其集合体的浸润与浮力特征研究

Effects of buoyance on oil droplets migration in waterflood process;

水驱油过程中浮力对油滴运移的影响

Based on a two-phase flow momentulm equation and a mechanical energy balance equation, an expression for the buoyance on the fluidized partiles has been derived.

表明了广泛应用的拟均相模型的不合理性，提出了应采用分离流模型来分析散式流态化中颗粒的受力情况，证明了流化颗粒所受浮力符合阿基米德原理，即， 还推导了流化颗粒所受流体曳力的表达式：并用实验对其进行了验证。

Based on the experiment of sand and clay,the computing method of buoyance without seepage is analyzed.

通过对砂土和粘土的试验,研究了无渗流条件下地下结构浮力的计算方法。

Using small road wheel on the tracklayer could increase both the buoyant force and inner space of vehicle.

采用小负重轮可以增加车辆的内部空间 ,进而增加车辆在水上的浮力 ,解决发动机增重带来的问题 。

A buildings basement rose up at Foshan city because of groundwater buoyant force action, maximum springing deflection was 213mm, which caused 1 0～2 5mm width cracks on the beams and columns of the basement.

某大厦地下室受地下水浮力作用不均匀上浮 (最大上浮值 2 13mm) ,造成地下室梁、柱出现宽度达 1 0～ 2 5mm的裂缝 ,结构处于极限破坏状态。

The unit of hydrostatics takes the concept of buoyant force as its base, the Archimedes theory as its kernel, and the condition of sink or emerge as its representation.

“浮力”是流体静力学中应用性较强的基础知识之一,也是初中物理教学的重要内容。

Applying Differential Value of Buoyancy Force and Capillary Pressure to Research Oil Migration-Accumulation Law: Taking Zhanhua Depression as Example;

利用浮力与毛细管力差值研究油气运聚规律——以沾化凹陷为例

Based on theoretical analysis,the ratio of the maximal drag force of unit area D0 to the maximal buoyancy force of unit area B0 in the spray region is proposed as a new criterion for predicting the stability of smoke layer under sprinkler spray.

利用PolyU/USTC大空间实验厅内的水-烟耦合作用实验台,测量了不同喷淋压力下的烟气层温度和厚度;结合理论分析,提出了以喷头正下方单位面积总拖曳力和总浮力之比D0/B0作为烟气层稳定性判据,得到了烟气层状态与D0/B0之间的关系。

As a long distance pipeline crosses rivers or water network and swamp areas where water tables are higher, buoyancy control measures must be taken.

长输管道穿越河流或水网沼泽等地下水位较高地段,必须采取浮力控制措施。