查询词典 hadamard criterion

In order to optimize parameters of threshing system of corn thresher with different speeds threshing parts, and minimize mechanical damage of corn seeds in the course of threshing, an experiment of second order regression orthogonal rotation design was carried out with rotating speed of straight roller, feeding quantity and kernel water contents as influence factors and broken rate of kernel as major criterion.

为优化差速式玉米种子脱粒机脱粒系统的有关参数，进而降低玉米种子在脱粒过程中的损伤，该文采用二次回归正交旋转组合设计的方法，以籽粒破碎率为主要性能指标，选取直辊转速、喂入量、籽粒含水率为试验因素，对差速式玉米种子脱粒机进行了性能试验。

Forest structure,individual quality,tree density and crown density,and structure and function of brush forest are used to construct a criterion to the LQBF.

判定低质低效林的依据是林分的结构、林木个体质量、密度和郁闭度、灌木林结构和功能。

Low quality and benefit Forest ; criterion ; ecological benefit ; crown density ; Secondary forest

低质低效林；判定标准；生态效益；郁闭度；次生林

This test uses the "method of fire resistance test for structural parts of building" of Chinese national standard CNS12514 A 3305 as the criterion and small heating furnaces to complete the following three kinds of tests:(1) different material ingredients of single layer fire curtain ,(2) different hollow layer spacing of double layer fire curtain, and (3) installation of natural smoke vent of double layer fire curtain, with a view to acquiring basic data of insulation performance and determining if it meets the requirements stipulated by related specifications.

本试验将以中国国家标准CNS12514 A3305「建筑物构造部份之耐火试验法」作标准，并利用小型加热炉完成(1)单层截火幕不同材质成份、(2)双层截火幕不同中空层间距、(3)双层截火幕设置自然排烟口之三种试验类型，以期获得阻热性能之基础资料与是否符合相关规范之要求。

But if feathers truly are the diagnostic criterion, then perhaps things should be the other way round, and Stegosaurus, Triceratops, Diplodocus, Tyrannosaurus and their kin should no longer be thought of as terrible lizards, but as overweight, flightless birds.

但如果羽毛确实是分类标准，事实就可能刚好相反：剑龙、三角龙、梁龙，暴龙和它们的同类不应该再被看成是庞大的蜥蜴，而应该被当做重得无法飞行的鸟。

A theory of optimum design for feedback line and a stability criterion for load sensing variable displacement pump are but forward.

第五章对试验中所发现的两个问题做了深入的理论分析和仿真研究，针对反馈油路和负载敏感变量泵提出了一套优化设计理论和稳定性判据。

The article is used be based on the mark method that replaces array and border to dog the diagnostic information of disease of defect of algorithmic and fast extraction, use many defect disease to detect next the result builds defect disease diagnostic information library and defect disease classify criterion, those who put forward a kind to exceed big picture is automatic and fast detect classified method.

本文采用基于替换数组的标记方法和边界跟踪算法快速提取疵病的特征信息，然后利用大量疵病检测结果建立疵病特征信息库及疵病分类准则，提出了一种超大图像的自动快速检测分类方法。

Based on numerous sample analyses of high-rise buildings with transfer storey and by considering the effects of various different kinds of structures and different shear wall thicknesses, an appropriate harmful drift angle ratio of no more than 0.9 is put forward as the control criterion of the lateral stiffness of high-rise buildings with transfer storey.

通过对大量不同结构布置、不同剪力墙厚度的带转换层的高层建筑结构的计算分析，将楼层有害位移角比小于等于0.9作为带转换层的高层建筑结构楼层侧向刚度的控制准则。

In order to analyzes the soil deformation mechanism under the impact load of the step-bit, the finite element model of impact and displacement drilling with down the hole hammer is established on the basis of adopting Drucker-Pager yield criterion, taking soil as DP materials and simulating the drilling process by applying the impact load on soils.

为了分析阶梯钻头冲击挤密作用下土体的变形机理，将土体视为DP材料，服从Drucker-Prager屈服准则，通过钻具与土体之间的接触以及施加冲击载荷来模拟钻进过程，建立了潜孔锤冲击挤密钻进的有限元模型。

In the research, the study of car impact test and numerical simulation method are both used. Based on works that have done, an impact model containing car model, dummy and restriction system model was built. According to national regulation, different types of impacts were simulated. The fuel cell auto's impact safety was analyzed, and the injury criterion for occupant can be read out directly by simulation data. The main research content of this project is to set up the fuel cell auto's frontal impact model, side-impact model, rear-impact model and the whole frontal impact model, which contains car model, dummy, restriction system model and so on, and calculating these models.

在本课题的研究过程中，博采众长，坚持创新，在综合分析总结前人研究经验的基础上，将实车碰撞试验研究与仿真计算分析方法结合起来，统一车身耐撞性有限元计算分析与乘员在约束系统作用下的运动响应的多体动力学分析，采用整车虚拟碰撞试验法进行燃料电池轿车的碰撞安全性研究，即建立一个集车辆、人体模型及乘员约束系统三者于一体的完整的车辆模型，以国家安全法规为依据，进行各种碰撞型式的整车虚拟碰撞试验，利用仿真计算结果进行燃料电池轿车的碰撞安全性分析，直接预测乘员的伤情指标。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。