| 1. | It is also easy to analyze by electric probe patterns that the surface of tih - j powder is coated by al2o3 通过电镜分析,包覆后颗粒形态有很大变化,由原来表面破碎态变为浑圆。 |
| 2. | Finally , irus particles were examined by electron microscopy and shown to possess the expected size and shape of hc irus particles 最终,电镜观察到病毒颗粒形态结构均达到预想状态。 |
| 3. | The effects of electroless nickel plating on the particles morphology and the electrochemical properties of low - co hydrogen storage alloy were investigated 摘要研究了化学镀镍对低钴贮氢合金粉末颗粒形态和电化学性能的影响。 |
| 4. | First , a particle size distribution ( psd ) analysis together with a detailed analysis of morphological properties of the excipient particles were performed 首先,结合辅料颗粒形态特性的细微分析,对颗粒粒径分布( psd )进行分析。 |
| 5. | The crystal pvc was crashed by jet - mill to prepare nanocrystal pvc . the crash , degradation and the change of morphology and crystalline structure changes of pvc was studied by ftir , sem , dsc , tem 用气流磨对结晶pvc进行粉碎,制备了纳米晶pvc ,研究了在高速气流作用下pvc的破碎降解、颗粒形态和微晶结构变化。 |
| 6. | In the paper , the influence of grain shape on the flow characteristic of self - flowing materials is discussed . it is considered that the flow characteristic of self - flowing materials with aggregate containning sheet - shape grains is good 本文用流体力学的观点,论述了颗粒形态对自流料的流动性的影响,认为含有片状颗粒的骨料配成的自流料流动性较好。 |
| 7. | The sheet structure of pvc was found in the rupture partical of pvc . the nanocrystalline pvc formed through jet - mill crashing . different crash condition had effect on particle morphology and melting point and crystallinity and particle size distribution 纳米晶pvc是由气流磨粉碎形成的,不同的粉碎条件对纳米晶pvc的颗粒形态、熔点、结晶度、粒径分布形成不同的影响。 |
| 8. | The crystal pvc is crashed by jet - mill to prepare nanocrystal pvc . the crash , degradation and the change of morphology and crystalline structure changes of pvc is studied by ftir , sem , dsc , tem . the self - plasticization of nanocrystal pvc is studied , too 用气流磨对结晶pvc进行粉碎,制备了纳米晶pvc ,研究了在高速气流作用下pvc的破碎降解、颗粒形态和微晶结构变化,研究了纳米晶pvc对pvc的增塑作用。 |
| 9. | In this paper , the so preparing self - compacting concrete with low and middle strength using super fine mountain sand artifical sand and phosphorus slag is studied systemically . through the study the influence of the shape , the proportion of the dust and the grade of sand to the workability and the mechanical property of self - compacting concrete , it is found that super fine mountain sand artifical sand are not suit to prepare low and middle strength self - compacting concrete , but when they are combined and the additive and assistant band material are used , c20 - c40 high performance self - compacting concrete is prepared ; the corresponding additive is developed to solve the delamination caused by the low proportion of banding material ; the evaluating system for the workability of low and middle strength self - compacting concrete is built ; the controlling method for production , construction and curing was set up . and the result of the research is applied into several projects 通过分析特细山砂和机制砂的颗粒形态、粉末含量、颗粒级配等特性对自密实混凝土的工作性能和力学性能的影响,发现特细山砂、机制砂不宜单独用于配制中低强度等级自密实混凝土,宜将特细山砂和机制砂进行合理复配,并选择合适的外加剂和矿物掺合料,优化配合比设计,可生产c20 c40中低强度等级自密实高性能混凝土;研制开发出了具有高效减水、保塑、抗离析功能的外加剂,有效解决了中低强度等级自密实混凝土由于胶凝材料用量少而出现的离析、泌水问题;应用正交设计方法,对因素和水平进行合理选择,确定了生产中低等级自密实混凝土的最优配合比;建立了中低强度等级自密实混凝土的工作性评价体系;提出了生产、施工及养护的质量控制技术方法。 |
| 10. | Ema , assumes the components distributed in highly random fashion , is a useful method to treat the transport properties of granular composites , and the effective conductance of composites could to be derived sell - consistently by substituting the actual enviroment of the studied grain with effective medium 有效介质理论能够有效地处理颗粒复合体系的输运性质。它假设体系中各种组分以颗粒形态随意分布,用等效介质替代被研究颗粒外部的介质分布,并且自洽地求出体系的等效电导率。 |