查询词典 dynamics

Based on gas dynamics,a mathematical model for the air brake system of train is established.

根据气体动力学原理建立了列车空气制动系统的数学模型，预测了制动系统紧急制动作用；陆界长度与机车大闸排气口面积、列车管定压及列车长度的关系。

The research on the rising effect of the gas is popular in the dynamics of air bubble reactors.

通过对理论膨胀率和实验膨胀率对比图形的分析，发现颗粒污泥的平均直径和湿密度是影响图形拟合度的主要参数。

A new type AMB-AB was brought forward in this paper, the film air bearing was integration in AMB. The axis space is saved and the rotors dynamics performance is improved.

本文研究了一种新型的磁气混合轴承结构，其特点是将箔片气体轴承集成在磁轴承的气隙里面，不占据轴向空间，因此与国外的研究有本质的区别。

In this paper the dynamics characteristics are analyzed theoretically at first. According to the unique configuration and mechanics characteristics, the mechanics model and kinetic differential equation of the half-tracked air-cushion vehicle are established. Algorithm of mechanics and lifting-state parameters are put forward and analyzed. And variation ranges of the driving state parameters are obtained and the corresponding influence factors are analyzed. The further qualitative studies on control model are carried out.

因此，本文首先从理论上分析了半履带式气垫车的动力学特性，根据半履带式气垫车的独特结构和力学特性，建立了半履带式气垫车的力学模型和相应的运动微分方程，提出并分析了在纵摇与升沉运动时，半履带式气垫车的力学参数和垫升状态参数的计算方法，得到了在行驶过程中各运行状态参数的变化规律，并分析了相应的影响因素，进而对控制对象模型进行了定性研究。

JNLWD has recently asked the company building the gas canister, General Dynamics, to develop methodologies to characterize the aerosols it generates, and to calculate the ground area coverage of gas clouds created by an airburst at different altitudes.

JNLWD 最近让某家公司来建立气体滤毒罐和常规动力学，来改善产生气溶胶的品质，计算在不同海拔下炸弹空爆产生的气体云雾笼罩的不同区域范围。

This paper introduces the geneses and developing of digital compass in brief. Also expatiates digital compass s background theory , including airmanship spatial orientation theory and attitude dynamics etc.

本文简要介绍了数字航向仪的起源与发展状况，并介绍了数字航向仪的相关理论背景，包括航天导航技术、空间定位学和姿态动力学等理论。

Dynamics modeling is the base of the airship control problem.

动力学模型是飞艇控制问题研究的基础。

Airstream distribution in a typical room with cold air diffusion was investigated by the method of computational fluid dynamics.

以某一典型的空调房间为研究目标，利用计算流体动力学，研究在低温送风条件下，室内气流组织的分布状况。

Manifolds occur in algebraic geometry, differential equations, and classical dynamics..

流形出现于代数几何、微分方程式和经典动力学中。

Methods: MTT and enzyme dynamics methods were used to observe the effects of CAP on cell proliferation and alkaline phosphatase activity of HDFC.

分别采用MTT比色法和酶动力学方法观察牛牙骨质附着蛋白对体外培养人牙囊细胞增殖及其碱性磷酸酶活性影响。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。