| 1. | Study on preparation method and surface character of expanded graphite - nanometal compounds 新型低硫可膨胀石墨生产工艺的研究 |
| 2. | The model can reproduce the variations of surface characters reasonably in semi - wetness areas in summer in china 淮河流域的模拟结果表明模式能够较好地模拟出我国夏季半湿润地区陆面特征量的变化趋势。 |
| 3. | Invariant moments are used to describe the surface . the space surface character curve matching method especially the one by contour is presented 对空间曲面的匹配问题提出采用特征曲线的匹配方法,特别是利用边界曲线进行曲面匹配。 |
| 4. | Abstract : because of hard ground surface characters of big bulk densities , bare surface and be disturbed easily , the hard ground surface has its laws about sediment yield 文摘:硬地面由于具有容重大、地表完全裸露、易受人为干扰等特性,因而其产沙特性有其自身的规律。 |
| 5. | Polymeric particles have been used widely in many different fields , since they can be prepared easily and have controlled particles " sizes and good surface characters 另一方面,聚合物微球具有简便的制备工艺、可控的粒径大小以及优异的表面性质等特征,因此在众多领域得到了广泛的应用。 |
| 6. | Further more , the effect of size , shape , surface character , aggregation and refractive index of the particle on extinction characters are discussed through calculation results , and some of them are experimental studied 在此基础上讨论了微粒的形状、大小、表面特征、凝聚状态、折射率等一系列因素对消光性能的影响,并对其中的一些结论进行了实验验证。 |
| 7. | Chapter 2 presents a deformation - and - reconstruction - oriented virtual design model , which includes the representation of part attributes , surface character relationships . a milti - hierarchical pan model is used to describe the part character and geometry information 第二章给出了面向曲面变形与重建的曲面零件层次网格模型,基于分层次的零件信息模型来表达网格面的特征属性及几何属性。 |
| 8. | The single function of biological reaction filler had been applied widely , which merely supplied the reaction place and the large amounts of microbe for biological reactor , though it had the large specific area and the surface character suitable for conglutinating microbe 目前应用的生物反应填料作用单一,只是通过较大的比表面积和宜于生物附著的表面性质,为生物反应装置提供较高的生物量及为生物反应提供场所,但不能为生物反应装置创造良好的传质扩散条件。 |
| 9. | Object - oriented image analysis creates meaningful objects and builds a hierarchy levels close to surface character using multi - scale segmentation . different geography processes could be represented in corresponding image object levels . object - oriented image analysis has realized multi - scale analysis of spatial pattern and process 面向对象影像分析采用影像分割技术生成多尺度影像对象,构建与地表实体相似的层次等级结构,不同等级的地学过程可在相应尺度的影像对象层中得到反映,实现了空间格局与过程的多尺度影像分析。 |
| 10. | Consideration of the poor cytocompatibility of pla materials and excellent properties of polymeric particles , pla materials were modified by embedding with polymeric particles and the cytocompatibility of modified pla materials was studied in this work . polymeric microspheres or nanospheres with a core - shell structure and different surface characters were prepared by using different materials as the surfactants and low - molecular - weight pla as the core materials via o / w solvent evaporation 本文针对聚乳酸组织工程材料存在的生物相容性问题以及聚合物微球的优异性能,从一种新的设计手段出发,采用聚合物微球表面改性聚乳酸组织工程材料,构建得到功能微球改性聚乳酸组织工程材料表面,并研究改性后的聚乳酸组织工程材料表面的细胞相容性。 |