| 1. | The mean particle size of ufd is measured to be 99 . 6nm
对实验制备的ufd试样进行粒度测试，平均粒径为99 . 6nm 。 |
| 2. | The process of producing ufd and the methods of purification are determined
确定了整套生产ufd的实验程序与工艺。 |
| 3. | The experimental results indicate that the yield of ufd increases with increasing the density , slenderness ratio of charge . ufd synthesis is related to the particle size of rdx
装药密度、长径比的增加都有利于ufd的得率的增加，装药粒度对合成ufd有影响。 |
| 4. | The charge used in the experiment is a mixture of tnt and rdx ; the influences of its density , slenderness ratio on the yield of ufd are experimentally investigated
并从装药的密度、装药的长径比、混合装药中rdx颗粒尺寸对爆轰合成纳米金刚石的影响作了实验研究。 |
| 5. | The ufd is characterized by transmisson electron microscopy ( tem ) and x - ray diffraction ( xrd ) ; the results showed that the ufd commonly exhibit a spherical shape , and it is cubic crystal
Ufd通过透射电镜( tem )观察和x射线衍射分析进行特性表征， tem观察到金刚石外貌大多为球形，尺寸约70nm ，但大多形成微米级的团聚体。 |
| 6. | This paper deals with the synthesis of ultrafine diamond ( ufd ) under high pressure and high temperatures generated by negative oxygen balance explosive detonation . the mechanism of synthesis ultrafine diamond by detonation standpoint is presented
本文从理论和实验两个方面对利用负氧平衡炸药爆轰产生的游离碳，在高温、高压下相变为纳米金刚石( ultrafinediamond简称ufd )作了初步探索。 |
| 7. | The process of ufd establishment is discussed according to the three stages of detonation propagation . the factors that influence the synthetic ufd process are theoretically analysed . a hermetically spheric container , which can bear internal pressure that the detonation of 100 gramme charge , is designed for the experiment
在理论方面针对爆轰合成纳米金刚石机理研究存在的两大异议进行探讨分析，提出了自己的看法；从爆轰传播的三个阶段对ufd的形成过程进行论述；对合成ufd的三个影响因素：爆压、爆温和保护介质作了定性分析。 |
