缩量

运用BP神经网络对船用钢焊接收缩量建模研究

Study of mathematical models construction method for shrinkage of welded steel by BP neural network

支持Dryad（大伸缩量，数据密集型的并行计算）（即将提供）

Support for Dryad ( large scale , data-intensive parallel programming )( soon )

压电陶瓷微纳米伸缩量测试系统

The testing system of micro-nano dilation of the piezoelectric ceramics

材料拉伸过程径缩量非接触检测方法的研究

Studies on Non-Contact Testing of Necking in Material Extending Process

作用于两球体间的力与它们的总压缩量有关。

The force of acting between the spheres is related to their total compression .

提出了支架合理的工作特性、阻力和缩量。

The optimum working characteristics , such as resistance and yield of the supports , are proposed .

以内缩量为评价标准，分析了这些工艺参数对减径挤压的影响规律。

The influence law of the technological parameters on ironing has been analyzed in accordance with criterion to neck-in .

并对在实际工程中通过钢丝内缩量来控制和计算传递长度的方法提出了建议。

Method of control and evaluation of the transfer length through the shortening value of wire is also suggested .

隔振器的性能受预压缩量和钢板层数等参数的影响。

Furthermore , the isolator performance is influenced by the pre-compression and the number of steel plate layers of isolator .

最后利用最小二乘法对模拟结果进行曲线拟合得出收缩量与影响因素之间的函数关系，给出了数学表达式。

Finally , the mathematical expression be given outby curve fitting the simulation result base on the polynomial least square method .

采用温差拉深可有效提高筒壁承载能力，减少颈缩量。

Adopt the difference in temperature to draw and effectively to raise a wall bearing capacity deeply , and reduces the neck down .

干燥过程中产生的应力与含水率梯度、干缩量和含水率、应力指标，存在一定的相关关系。

The stress produced during the process of drying had a certain relation with moisture gradient , shrinkage , moisture and stress index .

此计算方法可用于炉内张力分布的计算和带钢宽度拉缩量的估计。

This method is helpful to the prediction of the tension distribution and the estimation of the width shrink of the strip in CAPL .

推导出了中等稳定顶板条件下计算支护系统所需阻力和可缩量的公式，并进行了相应的模拟实验研究。

The formula of calculation of support system resistance and yieldability under condition of medium stable roof is derived and proved through eguivalent model testing .

用平衡分析法对透胶率、翘曲度及宽度方向单位干缩量进行分析。

It also analyses the rate of penetrated adhesive and the warp degree and unit content of shrinkage in the width by the comprehensive method .

并从翻折线缩量的计算方法、分配比例及具体的操作方法几个方面对翻折领挖领座结构处理进行了探讨。

It also studies the handling of stand structure from the calculation of the roll line 's variation , allocating scale and specific operation methods , etc.

在薄煤层工作面中使用单体液压支柱，在支护强度、初撑力、可缩量、安全保障及操作人员安全上，都优于其它单体支护材料。

Using individual hydraulic prop in thin coal seam face is better than the others in the aspect of support strength , premary supporting force , shrink amount and safety .

非预期交易行为对市场波动的冲击存在显著的非对称特征，正的交易量冲击（交易量放量冲击）比同等程度的负交易量冲击（交易量缩量冲击）对市场波动的影响更大。

The impact of unexpected trading behaviors on market volatility takes on obvious asymmetrical features and the positive trading volume impact generate greater impact on market volatility than negative one .

实验测试了织物缝制时的缝缩量，并分析了缝线细度、针距、面料厚度、材质这4种因素对缝缩的影响。

This experiment shows the seam shrinkage in fabric seaming and analyses the influence of the four factors as thread thinness , needle span , material thickness and material quality on seam shrinkage .

研究表明，涂胶量、单位压力、添加剂分别是影响透胶率、翘曲度及宽度方向单位干缩量的最重要因素。

The results show that adhesive content is vital to the rate of penetrated adhesive , unit press to the warp degree , the added-material to unit content of shrinkage in the width .

应用这一方法对一典型的辐射形索穹顶算例进行分析，得到了其初始预应力分布环形预应力束的有效预应力分布及回缩量计算

A typical cable dome was analysed and the prestress value was computed with this method . Calculation of the Distribution of Effective Prestressing Force and the Set-back Amount of a Loop Prestressed Cable

模拟研究了焊接电流、离子气流量、弧长、钨极内缩量等工艺参数对电弧特性的影响，以及钨极形状和喷枪结构等对电弧的影响。

And the influence of current , ionized gas flow rate , arc length etc on plasma arc character are also studied numerically , as well as the nozzle configuration and electrode shape .

采用多元非线性曲线拟合的方法，建立了凸筋拉缩的数学模型，可用于凸筋拉缩量的预测及管坯规格的选择。

By means of multiple non-linear curve fitting method , was established the mathematic model of rib reduction , which can be applied to production of rib reduction and size selection of cold-drawing materials .

通过加载铸坯的实时温度场分布，对铸坯连铸过程进行热力耦合计算，获得了铸坯在整个过程的热收缩量。

The real-time temperature distribution of bloom was loaded , and the thermal coupling calculation was proceeded in the bloom continuous casting process . The shrinking volume of bloom was calculated during the whole CC process .

同时还分析了喷嘴直径、钨极内缩量以及离子气流速在相应的焊接电流下对等离子弧功率与电弧力的影响，并绘出曲线图。

Also , the influence of nozzle diameters , tungsten setback and plasma gas flow rate on the arc power and force of the welding plasma with the respective currents was analyzed , and curves are drawed .

在有限元分析中考虑了预压缩量对静刚度的影响，结果表明，各向刚度均随预压缩量的增大而增大。

The influence of the pre-compression amount on the static stiffness is taken into account in the finite element analysis . The results show that all stiffness increases with the increment of the pre-compression amount . 3 .

文章系统总结了后张预应力板梁主要施工工序质量控制，重点强调了预应力损失、伸长值计算、内缩量控制三个容易被忽视的问题。

The article has systematically summarized the quality control of the construction procedures of post-tensioned prestressed precast concrete beams with the emphasis laying on three easily ignored problems as loss of prestress , calculation of extension and control of contraction .

因此，本文首先从理论上分析充液后低温储罐内罐的冷缩量，提出了内罐当量长度的概念，进而得出夹层体积变化量计算模型。

Therefore , firstly , this paper theoretically analyzed the contraction of inner vessels of the cryogenic tank after filling , put forward the concept of equivalent length of inner vessel and get the calculating model of the interspace volume change .

干燥过程中锯材的含水率梯度、表层应力和干缩量均以连续加热干燥试验最大，波动2时干燥试验次之，波动6时干燥试验最小。

The MC grade , shrinkage and wood surface stress during drying progress was the largest in consecution heating , and was least in fluctuating-heats ( 6h ) . The effect of heating methods on dry quantity of small-diameter lumbers was significant .

结果表明，橡胶球铰的疲劳寿命随预压缩量的增大是先提高后降低，由此可以确定橡胶球铰预压缩量的优选方案。

The results show that the fatigue life of the rubber bushing increases firstly and decreases subsequently with the increment of the radial pre-compression amount . Therefore , the optimum scheme of the pre-compression amount of the rubber bushing can be determined .