To study impact on water to asphalt pavement, the solution is derived by means of the transference of matrix and integral transformation to the axis-symmetrical problems of super-pressure of the multi-layered viscoelastic body in small opening water on asphalt pavement in the FWD dynamic case.
为研究水对沥青路面的影响,利用积分变换和传递矩阵的方法推导了FWD动荷载作用下路基路面层状黏弹性体超孔隙水压力轴对称问题的解析解。
A linear oscillator with visco-elastic term under narrow-band excitations was investigated by Ariaratnam~[1], Cai, Lin and Xu~[2], using an improved stochastic averaging procedu.
讨论含线性黏弹项的Duffing振子对有界窄带随机激励的响应。
Influence of viscoelasticity and interfacial tension of non-alkali binary compound solution on recovery efficiency of residual oil after water flooding;
无碱二元体系的黏弹性和界面张力对水驱残余油的作用
Experiment study on viscoelasticity of associative polymer solution under simulated reservoir conditions;
模拟油藏条件下缔合聚合物溶液的黏弹性实验
Study of viscoelasticity-anelasticity transition in the Zn-Al eutectoid alloy by measuring the internal friction;
锌铝共析合金中黏弹性-滞弹性转变的内耗研究
This paper analyzes the factors that influence the foam stability by testing the foam entrainment capability, the dynamic surface tension, the viscoelasticity, the half life period, and the foaming capacity.
通过对泡沫携液能力、动态表面张力、黏弹模量、半衰期、发泡量的测试对影响泡沫稳定性因素进行研究,确定影响泡沫体系稳定性的因素;利用管式模型对泡沫体系在多孔介质中再生能力进行测试,研究再生能力、泡沫稳定性之间关系。
Some damping proprieties of the fractional calculus model for viscoelastic materials;
分数导数型黏弹性材料的一些阻尼特性
Flow performance of viscoelastic polymer solution in dead end of reservoir pores;
黏弹性聚合物溶液在油藏盲端孔隙中的流动特性
The tranisition from a lamellar phase formed from a nonionic surfactant mixture system LA070/C8H17OH/H2O to a viscoelastic vesicle-phase occured by adding a little amount of ionic surfactant due to the formation of the charged bilayers which led to the change of the curvature of the bilayers.
向一种非离子表面活性剂LA070(英文名AlcoholC12-C16Poly(1-6)Ethoxylate)复配体系LA070/C8H17OH/H2O形成的层状相中加入离子型表面活性剂使其电荷化,在电荷诱导下,双分子层的曲率发生变化,闭合形成具有黏弹性的囊泡相。
Also did the viscoelastic properties test on them.
方法取24具新鲜成年男性L_3-L_4腰椎标本,分别对L_3-L_5(正常组)、模拟后路间盘L_(3,4)摘除置融合器(对照1组)、模拟后路间盘L_(3、4) L_(4、5)摘除置融合器(对照2组)、模拟后路间盘L_(3、4)摘除置融合器附加椎弓根钉固定(对照3组)、模拟后路间盘L_(3、4)L_(4、5)摘除置融合器附加椎弓根钉固定(对照4组)进行前屈、后伸、扭转、轴向压缩和腰椎移位时融合器的最大拨出力实验,还对以上各组标本进行了黏弹性实验。
The generalized Maxwell model, which describes stress relaxation modulus, is usually used for analyzing the rheological characteristics of viscoelastic materials.
通过把 KWW函数和广义Maxwell模型的拟合问题转化为两矩阵相等的求解问题后,又把两矩阵的相等等价于两矩阵差值向量的一阶范数为无穷小的问题,并通过引入广义逆矩阵,求得两矩阵差值向量的一阶范数的最小值,最后以一阶范数的最小值为目标函数,松弛时间为约束条件,利用单纯形法对两矩阵差值向量的一阶范数的最小值优化,从而提出了一种针对黏弹材料的KWW函数与广义Maxwell模型转换的计算方法。
The properties of raw rubber,mixing behavior,vulcanization characteristics,physical-mechanical property of vulcanizate,viscoelasticity and aging resistance of FVBR were studied.
研究了高乙烯基质量分数大于80%的铁系聚丁二烯橡胶(FVBR)的生胶性能、混炼行为、硫化特性、硫化胶性能、黏弹性能以及耐热老化性能,并与溶聚丁苯橡胶(SSBR)的性能进行了比较。
The rheological behavior,viscoelasticity and thermal mechanical property of the WG/PLA blend were investigated.
以甘油作为增塑剂,采用熔融共混法制备了小麦蛋白/聚乳酸(WG/PLA)共混物,研究了WG/PLA共混物的流变性能、黏弹性能和热机械性能。