查询词典 Poisson ratio

The effect of main screw parameters (length/ diameter ratio, helix angle, channel depth and compression ratio)of cold feed rubber extruder on extrusion temperature were investigated by orthogonal regression method on the basis of the statistical analysis of experimental results.

研究了螺杆造型（长径比，螺旋升角，螺槽深度，螺杆几何压缩比），挤出工艺和胶料种类对橡胶冷喂料挤出机挤出温度的影响，并对各实验因素及实验结果做了统计分析，得出了他们之间的定量数学模型。

The technique and process for producing differential dyeable and bi-shringkage PET textured yarn are introduced with disscussion on the differential dyeing and shringking mechanism and influence of speed in spinning,spinning temperature,lateral blowing, temperature and humidity of the quench air,spin-finish and its take-up, cold-draw ratio and ratio.

介绍了异染异缩型涤纶变形丝的生产技术及工艺流程，讨论分析了异染、异缩原理和纺丝速度、纺丝温度、侧吹风风速、风温、风湿；纺丝油剂及上油率；冷拉伸倍数、拉伸倍数、拉伸温度、定型温度等工艺参数对其品质和异染、异缩效果的影响。

This paper emphatically discusses maximum value calculation of some common weave density, cover ratio and full ratio, and these indexes have relations to fabric structure phase.

文中重点探讨了几种常见织物组织的密度、度率及充实率最大值的计算及其与织物结构相的关系。

This paper emphatically discusses maximum value calculation of some common weave density,cover ratio and full ratio,and these indexes have relations to fabric structure phase.

文中重点探讨了几种常见织物组织的密度、盖度率及充实率最大值的计算及其与织物结构相的关系。

In this design, the dimension M of the memory vector field may be not necessarily equal to the dimension N of the network vector field. This may be the usually case in applications. Designing a network with either static or oscillating behavior, after analysing the dynamical. behavior of its four-dimension subspace, we get 2-torus in the subspace. If we vary the ratio of the imagine parts of the complex conjugate eigenvalues, the periodic motion of all kinds of period ratio on 2-torus are obtained.

设计一个既具有静态平衡点又具有动态振荡的网络，其静态平衡点由多余维叉形分叉得到，动态振荡形式由多余维Hopf分叉得到，通过对其中一个具有振荡行为的四维子空间的进一步分析，可以得到网络在四维子空间中的二环面运动，适当调整约当形中共轭复特征根虚部的比值，可以得到各种周期比的二环面上的周期运动。

Based on 5% of statistics, business capital structures are apparently in direct ratio with business scale and to the state and growth of mobile capital composition, and in negative ratio with enterprises' profitability.

在5％统计学水平上，企业资本结构与企业规模、流动性资产构成状况和成长性之间均呈明显的正相关；与企业的盈利能力呈显著负相关。

This dissertation presents three segmentation algorithms for compressing image documents, with a high compression ratio of both color and monochromatic compound document images. The proposed algorithms greatly outperform the famous image compression methods, JPEG and DjVu, and enable the effective extraction of the text from a complex background, achieving a high compression ratio for compound document images.

本文中提出的切割方法应用於文件影像压缩，可以明显的看出压缩倍数与视觉品质优於JPEG或DjVu，而且在本文第三个切割方法中，提出新的区域性区块特徵分离与拼图式全图整合的方法，在解决复杂型复合式文件影像的文字切割问题时，即使在同一张完整的文件影像中，包含各种不同程度的复杂状况，也可以顺利的将不同颜色、不同复杂背景与不同交叠程度的文字切割出来，提高各种复杂型复合式文件影像的压缩品质。

Ratio and number of compound buds of crown exists between varieties Mary Washington (Taiwan with smaller ratio and less buds.

由前述现象可证明在幼苗生长上，不同品种及不同产地种子之间有所差异。

Has obtained the good compression ratio and the peak value noise ratio.

获得了较好的压缩比和峰值噪声比。

In this paper,we use the historical data to get the experiential distribution function of conditional revenue ratio when we can not determine the type of the allied distribution of the price and revenue ratio,and then we calculate the VaR under a certain price level of the price.

1研究意义VaR是目前证券投资风险管理的重要工具，在数学上，表示为投资组合收益率分布的下α分位数，表达式为：P=α(VaR 0)图1 VaR的图形表示其中，ΔP表示在Δt时间内，某个金融资产的市场价值的变化，α为给定的概率，如图1所示。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。