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横向测量

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To reveal aft end internal flow feature of a solid rocket motor with submerged nozzle, a two dimension cold flow test model with rectangular channel was designed The cold gas simulation was based on geometric similarity and aerodynamic analogy Mean and fluctuating velocity field was measured using phase doppler particle analyzer It showed that the flow separates at upstream of the submerged nozzle and reattaches on the tip of the nozzle nose A relatively steady recirculation zone formed in...

为了揭示含潜入喷管的固体火箭发动机尾部流动特征,按照几何相近和气动相似原则设计了通道为矩形的二维冷流实验模型,利用相位多普勒粒子分析仪对燃烧室尾部气流的时均速度和湍流脉动速度进行了测量。实验结果表明气流在潜入喷管入口上游发生分离,再附点位于喷管前端部外侧,背壁空腔内形成一个较为稳定的回流区,流场的轴向和横向湍流强度都比较大

Angular displacement measurement based on lateral shearing interferometer using plane-parallel plate [J].

一种基于平板横向剪切干涉的角位移测量方法[J]。

On the experimental device of metallic membrane bulging, the measuring of in-plane true strain, transverse plastic strain at the pole of sheet, and the contour shape of sheet can be done. So that the relationship between true stress and true strain in the all deformation range of metallic sheets can thus be built up. Furthermore, the changing pattern of elasto-plastic and plastic Poisson's ratio can also be obtained.

在平膜鼓胀装置上,通过测量膜片极顶的面内真应变和横向塑性应变以及膜片的轮廓形状,并计人泊松比随变形过程发生的变化,可建立二向应力状态下箔材从弹性经塑性至破裂的整个变形范围内真应力和真应变的关系,同时还可以得到弹塑性泊松比和塑性泊松比的变化规律。

The interference, which has much to do with shimmy and handling characteristic and directional stability of vehicle, between the suspended structure, the front axle and steering system is described accurately In the models, the concrete component parameters or the design parameters are adopted to make it easy that the models are directly used in optimization design of real products. In order to make mathematical simulation and optimum analysis accurately with a particular vehicle and to study the influence of tyre characteristics on the lateral dynamic performance of vehicle, not only are the whole structure parameters in the models measured, but also is the test of the tyre cornering characteristics done, the accurate parameters of the tyre cornering characteristics are obtained and the practical tyre models of both steady state and dynamic state are selected.

为了提高仿真计算与优化分析的精度,和进一步分析有关轮胎特性对汽车横向动力学特性的影响,除了测量了模型中的全部结构参数外,特别做了轮胎侧偏特性试验,获得了比较准确的轮胎特性参数,并选用了比较实用的轮胎动态和稳态侧偏特性模型。

This paper introduces the general situation of water conveyance project of Dahuofang Tunnel,analyzes the horizontal run-through error,and determines the effective construction survey scheme.

简要介绍了大伙房隧洞输水工程的概况,重点对其横向贯通误差进行了分析,确定了有效的施工测量方案。

Frequency stabilization laser based on transverse Zeeman effect provides several characters such as high stabilization frequency.

基于横向塞曼效应的稳频激光器,频率稳定度高,抗干扰能力强,输出功率大,差拍信号频率低、易于接收和处理,可直接输出相干性和偏振度都很好的线偏振光,便于测量偏振、双折射等物理量。

Dynamic measurement; Millikan oil-drop; uniform movement; balance voltage; horizontal drift

中文关键词:动态法测量;密立根油滴;匀速运动;平衡电压;横向漂移

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Results showed that 0.01g/mL extract of Oxalis corniculata L. had obvious antimicrobial effect on S. aureus, but all extract of Oxalis corniculata L has not any antimicrobial effect on E.

结果表明,0.01g/ml的提取物对摇床培养的金黄色葡萄球菌生长具有明显的抑制作用;但各种浓度的提取物对摇床培养的大肠杆菌生长均无抑制作用。

This will be totally different from Zaro's texture mod, it will be desaturated, dirty etc.

这会和Zaro的那个材质补丁有很大不同,这边是更多的不饱和色,整个都灰扑扑的。

This will be a major step forward for our country's aerospace technology.

这将是国家航空科技的一个重大的进步。