收缩系数

Zr-4管截面收缩系数的测量方法

A measurement method of the cross-sectional reduction coefficient of Zr-4 tubes

本文研究了引发剂浓度、反应温度及反应时间对表观接枝率（Ga）和抗收缩系数（ASE）值的影响。

In this paper , the concentration of initiators , reaction temperature , reaction time and their effects on apparent grafting efficiency ( G_a ) and anti-shrinkage efficiency ( ASE ) value have been studied .

探讨了Zr-4管截面塑性（收缩系数CSR）测定的基本原理及试验方法，为全面研究核燃料包套材料的力学性能提供了重要依据。

The principles and the test method have been studied for the measurement of cross-sectional plasticity ( cross-sectional reduction CSR ) of Zr-4 tubes . The work is worthy of studying on the mechanical properties of nuclear-fuel cladding materials .

用逐步非线性回归的方法，推导出广泛用于塔板设计与核算的泛点负荷系数及Bolles液流收缩系数关联式。

The correlation formulas of both flooding capacity and Bolles liquid flow contraction coefficients which extensively applied in the tray design and checking calculation were deduced with the method of gradual nonlinear regression .

用高掺量矿渣稳定的碎石，其无侧限抗压强度和抗折强度高，回弹模量小、收缩系数小及抗裂性能好，各项性能均优于参照对象&P·O32.5水泥稳定土。

The cement stabilizing aggregate mixture including the base course binder with high added GGBS have higher compressive strength and flexural strength , crack coefficient , smaller compressive modulus , flexural modulus and better drying shrinkage coefficient than cement stabilizing aggregate mixture with P .

耐火砖残留线膨胀和收缩系数试验方法

Testing method for residual linear expansion and contraction of fire brick

水工沥青混凝土低温线收缩系数试验研究

Test Research on the Linear Contractive Modulus of Hydraulic Asphalt Concrete

贫砼基层材料温度收缩系数的研究

Study on property of temperature contraction coefficient of lean concrete for roadbase

泛点负荷系数及液体收缩系数关联

Correlations of both Flooding Capacity and Liquid Flow Contraction Coefficients

膨胀土的膨胀系数、收缩系数求解及应用

Derivation and Application on Expansion Coefficient and Contraction Coefficient of Expansion Soil

试验结果表明，掺纤维水泥稳定碎石具有良好的柔韧性能和较小的收缩系数。

The test result indicates that cement-stabilized aggregate mixture with fiber possesses good performance .

高水头船闸反弧门后水流流态和收缩系数研究

Study on flow patterns and contraction coefficients behind reversed tainter valve for ship locks

改进可变容差法中放大系数与收缩系数的取法，提高了寻优速度，可满足在线优化对寻优速度的要求。

The online optimization calculation is accelerated by improving magnifying and contracting coefficients of flexible tolerance method .

试验结果表明，试样收缩系数和土水特征曲线密切地依赖于净平均应力；

The results show that shrinkage index and the soil-water characteristic curve are dependent on net mean stress .

回流区变化幅度与收缩系数变化幅度随开度的增大不断缩小；

With increasing of the valve opening the range of the recirculation zone length and the contraction coefficient was reduced continuously ;

该模型避免了直接用煤体收缩系数和εl/β来计算储层孔隙度和渗透率所引起的误差。

The model avoids the reservoir porosity and permeability error that are brought by the inaccurate coal matrix coefficient and 1 / .

研究一种收缩系数和扩展系数适时适当变化的单纯形优化学习算法。

A kind of simplex algorithm that its constringency coefficient and expanding coefficient are been changing appropriately in the process of searching optimization values is developed .

本文结合实际工程，对沥青混凝土进行低温段线收缩系数的试验研究。

The experimental research on the linear contractive quotiety of asphalt concrete which is used in an asphalt concrete slab project is presented in this paper .

此外，本文提出了闸墩收缩系数及流量系数的计算式，可供设计应用。

Besides , formula ( 2 ) for pier contraction coefficient ε _p and formula ( 5 ) for discharge coefficient m_p are applied in design .

两种材料通过高分子尼龙件连接，解决了木材和金属收缩系数不同的问题。

The two kinds of materials are connected together by macro-molecular nylon pieces , which eliminate the problem of the coefficient difference of shrinkage of wood and metal .

研究了阀门后时均情况下的回流区长度、收缩系数、涡量场以及主流的变化情况和回流区、收缩系数的变化特性。

The recirculation zone length , contraction coefficient and vorticity as well as the variety of main flow and the intense fluctuation of recirculation zone and contraction coefficient were studied .

提出了剪切流场中液滴形变的三维力学模型，初步建立了拉伸率、收缩系数和剪切应力之间的关系。

A three-dimensional mechanical model of deformation of a liquid drop was propounded in a shear flow , and the relation among stretching rate , shrinkage coefficient and shear stress were established .

最后分别讨论了钢种、结晶器长度、拉坯速度、铸坯断面尺寸与结晶器锥度、凝固收缩系数的关系。

In the end the relationship of steel grades , mould length , drawing speed and sectional dimensions of the billet with mould taper and solidification and contraction coefficient has been discussed .

射流的偏转角主要受阀口角度的影响，几乎与阀口尺寸无关；但射流的收缩系数则与两者都有关系。

The deflection angle of injection mainly depends on the valve port angle and almost has no relation to the valve size , but the reduction coefficient vavies with both of them .

试验内容主要包括沥青品种、沥青含量、以及不同温度段中沥青混凝土线收缩系数的测试。

There are many facts affect the linear contractive quotiety of asphalt concrete , such as the type of asphalt , the asphalt content in asphalt concrete and the temperature period of the asphalt concrete worked in .

针对沥青品种、沥青含量以及温度等多种因素，在不同试验条件下，设计多种试验方案研究水工沥青混凝土的线收缩系数。

With an aim at many factors such as asphalt varieties , contents and temperatures , the different kinds of test schemes are designed to study the linear contractive modulus of hydraulic asphalt concrete in the case of different test conditions .

通过室内试验，系统地研究了6种不同沥青的混合料低温性能，着重分析了收缩系数、抗拉强度和蠕变模量随温度变化的规律。

The authors discussed systematically the low temperature behaviour of six types of the different asphalts mix with tests in room , and analysed the variation regulation of shrinkage coefficient , tensile strength and creep modulus with the change of temperature .

本文利用源、汇分布法，通过将流动平面保角映射为新的复平面而得到了在不同阀口角度、不同阀口相对尺寸时射流的偏转角与射流的收缩系数。

The flow diagram is transformed into new complex plan with conformal mapping and then the deflection angles and reduction coeficient of injection with different valve port angles and different relative sizes can be found by using source and sink distribution method .

完善了半刚性基层材料的收缩系数测定系统，提出了半刚性基层材料温缩系数测定方法和半刚性基层材料干缩系数测定方法；

Secondly shrinkage coefficient measuring system for semi-rigid base course material is improved , and " Testing Method of temperature shrinkage coefficient for semi-rigid base course material " and " Testing Method of drying shrinkage coefficient for semi-rigid base course material " are given .

在此基础上开发成功的神经网络专家系统已应用于SLS制件收缩补偿系数的自动优化中，取得了良好的效果。

This expert system is applied to HRPS III rapid prototyping system developed by Huazhong University of Science and Technology in order to automatically optimize the shrinkage compensation coefficient of the SLS parts , and good results is obtained .