查询词典 composites

After a long time of post infiltration heat treatment, a great deal of AlaBC is produced in the boron carbide and aluminum composites and the hardness of the composites increases greatly.

对B_4C／Al复合材料的热处理工艺研究表明，经长时间热处理后，B_4C／Al复合材料中有大量的Al_3BC生成，使材料的硬度有显著提高。

In this dissertation, we are dealing with inorganicf organic Calcium Carbonate composites and Titanium-ion composites.

在本论文中，我们着重研究碳酸钙的有机复合物和二氧化钛-氧化铁复合物。

Compared with the composites made of high density polyethylene , carbon black and graphite by solution blending, the composites made of polyphenylene sulfide , polyarylethersulfone with cardo group , short carbon fiber and carbon black by mechanical blending are provided with better repeatability of electrical resistivity.

聚苯硫醚和酚酞型聚芳醚砜与碳纤维和炭黑机械共混所得复合材料和高密度聚乙烯与炭黑和石墨溶液共混所得复合材料相比，前者具有电阻率较易控制、重复性较好的特点。

Few fine pores remained in composites were helpful for reducing thermal expansion coefficient of the composites.

组织中残留的少量孔隙，对于降低复合材料的热膨胀有一定的贡献。

The lauan wood is used as a template to prepare Al/C and Al/ composites. Porous carbon is first pyrolyzed from the wood template. The final composites having wood structure are obtained by injecting aluminum alloy and silicone resin into the porous carbon. The microstructures, thermal expansions, and thermal conductivity of these products are analyzed by the scanning microscope, dilatometer, and conductometer. The model of thermal conduction is established.

该文以柳桉木材为模板，先将其转变为多孔碳，再通过铝合金和硅树脂的浸渍，制备了具有木材结构的Al/C、Al/两种铝基复合材料，并通过扫扫电镜、热膨胀仪和导热仅对复合材料的微观结构、热膨胀性能及导热性能进行了研究，建立了导热模型。

Computational algorithms of BEM for both multi connected domain and composites with particle of arbitrary geometry are derived.These BEM algorithms are used to calculate the temperature distributions for composites with both single-particle model and multi-particles models.

首先推导了多连域和含任意形状夹杂复合材料温度场问题的边界元计算格式，随后采用边界元法计算了具有不同形状和界面性能的单夹杂和多夹杂模型内的温度场。

The formation of α-quartz and cristobalite in the composites containing above 50% ceramic content during the sintering process has bad effect on thermal expansion behaviour, but has little effect on the values of dielectric properties of the composites.

锶长石含量大于50%的复合材料中α石英和方石英的析出增加了材料的热膨胀系数，但对材料的介电性能影响不大。

For the composites with a low content of TiC particle, the rupture manner was mainly the nucleation of cavity and following ductility splitting fracture. But for the composites with a high content of TiC particle, the cracking and decohesion of TiC particles were the main rupture mechanism. For the composite containing a middle TiC content, the rupture mechanism consisted of the above two styles, but the former was the dominating mechanism and the later was the subordinate mechanism.

对TiC体积分数较低的钢基复合材料，拉伸过程中TiC颗粒界面上的孔洞形核及随后塑性撕开机制是其断裂失效的主要机制；对TiC体积分数较高的钢基复合材料，拉伸过程中TiC颗粒的开裂及脱落是其断裂失效的主要机制：对TiC体积分数介于上述两者之间的钢基复合材料，拉伸过程中TiC颗粒界面上的孔洞形核及随后塑性撕开机制在其断裂失效过程中占主要地位，而TiC颗粒的开裂及脱落占次要地位。

The complete composites feature, which is available in FontCreator Professional, but not in the Home Edition , may be used to create common composites, or just as an aid to the design process.

完整的复合功能，它可在FontCreator专业，但不是在家庭版，可用于创建共同的复合材料，或者只是作为一种辅助手段的设计过程。

Those results make basis for fabricating discontinuously reinforced titanium matrix composites with high properties and broadening the application area of discontinuously reinforced titanium matrix composites.

这些研究为以后制备高性能的钛基复合材料和拓展钛基复合材料的应用领域打下了坚实的理论基础和为批量生成提供了实用途径。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。