复合泡沫塑料

Application of artificial neural networks method on the mechanical behavior simulation of syntactic foam plastics was discussed.

对人工神经网络方法在复合泡沫塑料力学行为模拟中的应用进行了研究。

Some quasi-static compressive experiments of polyurethane syntactic foam s with different density and different volume fraction of hollow glass micro-spheres are conducted.

针对几种不同密度、不同空心球填充比的聚氨酯复合泡沫塑料进行了准静态压缩实验，研究了这类材料的宏观力学性能。

Firstly, factors influencing on the mechanical behavior and mechanical properties simulated and predicted were separately taken as input and output quantities. Secondly, Four-layer neural networks model was established to simulate and predict the mechanical properties and constitutive relationship of syntactic foam plastics by means of back-propagation algorithm.

首先，选取影响材料力学行为的因素和所需模拟、预测的力学性能作为输入、输出量；然后，利用反向传播算法建立了四层神经网络模型，对复合泡沫塑料的力学性能和本构关系进行了模拟和预测。

The elastic properties of syntactic foam s with coated hollow spherical inclusions have been studied by means of Mori and Tanaka's concept of average stress in the matrix and Eshelby's equivalent inclusion theories.

利用Mori＿Tanaka平均应力的概念和Eshelby等效夹杂的原理，研究了含涂层空心球复合泡沫塑料的弹性性质，从理论上导出了这类复合材料的有效模量预测公式·此外，基于这些理论公式，讨论了涂层厚度和泊松比变化对复合泡沫塑料有效模量性质的影响

Syntactic foam ; mechanical property ; compression ; polyurethane

复合泡沫塑料；力学性能；压缩；聚氨酯

To improve the dielectric performance of the syntactic foam ,a kind of a low density dielectric materisl with high dielectric comstant.

为改善复合泡沫塑料的介电性能，采用金属氧化物粒子填充改性双马来酰亚胺空芯玻璃微球复合泡沫塑料得到了高介电常数、低介质损耗因数、低密度、力学性能良好的电介质材料。

Nano-SiO_2; Nanocomposites ; Epoxy syntactic foam ; Ultrasonic-Wave

纳米SiO2；纳米复合材料；环氧复合泡沫塑料；超声波

The results show that the resin property is better when aldehyde/phenol molar ratio is 1.5～2.0 and the compound catalyst is used; the foam plastic property is good when solid content is h...

结果表明：醛/酚摩尔比为1.5～2.0、采用复合催化剂时，树脂性能较好；固含量较高时，泡沫塑料性能好；泡沫密度增大，强度提高，但保温性能变差

Urban families decorative quality inspection station specialists, and some households in the laying of composite or wood floors to the floor, where the possible use of formaldehyde Daxinban do liner; Some of the medium-density plate so bad quality furniture; Some tenants also purchased a sofa, under the cushions from plastic foam Nien%; Some estimates are shaving board affixed to the chest or face other furniture formaldehyde standard Draw the disaster.

市家庭装饰质检站的专家介绍，有的住户在铺设复合强化地板或木地板时，可能采用了甲醛超标的大芯板做衬垫；有的用质量不好的中密度板材做家具；也有的住户购买的沙发出了问题，其座垫下的泡沫塑料是由胶粘成的；还有的估计是刨花板贴面的柜子或其它家具甲醛超标惹的祸等。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失