UFD

And a small quantity of m-UFD ( surface modified UFD ) with 0.2 % weight percentage can improve the flexural strength and hardness by 35.4 % and 29.8 % respectively . The m-UFD was superior to n-UFD ( not surface modified UFD ) .

加入0.2%（质量分数）的改性纳米金刚石后，复合树脂的挠曲强度和硬度分别提高35.4%和29.8%，改性金刚石的增强作用明显优于未经改性的金刚石；

The factors that influence the synthetic UFD process are theoretically analysed .

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。

Constraint condition is advantage of the yield of UFD too .

外加约束条件可提高UFD得率。

Application of UFD on Polishing Surfaces with Sub nanometer Scale Roughness

应用纳米级金刚石抛光亚纳米级光滑表面

Ultrafine diamond ( UFD ) is a hybrid product of explosion mechanics and material science .

超微金刚石（UFD）是爆炸力学与材料科学相结合的产物。

The influence of the preserving media on pressure of the DP also is important to the yield of UFD .

外部保护介质在爆轰产物膨胀阶段的保压作用在UFD合成过程中有重要作用。

The results show that the oxidation starting temperature of UFD in air is about 500-530 ℃, lower than that of bulk diamond .

研究结果表明，纳米超微金刚石在空气氛中的热稳定性较差，其起始氧化温度为500～530℃；

Finally , a removable USB flash drive ( UFD ) can be hot-plugged , providing yet another file system .

最后，可移除的USBflash启动（UFD）是可以热插拔的，它构成另一个文件系统。

For media players or thin clients , however , you could boot from a CD , from a UFD , or over the network .

但是，对于媒体播放器或瘦客户机，您可以从CD、UFE或者通过网络启动。

The yield of UFD has exceeded 10 % using water or ice as preserving media , which is more applicable than Mach effect charge .

用水和冰作为保护介质可使UFD得率超过10%，比利用马赫效应装药更适用于实际生产。

It is emphasized that UFD with different properties obtained by adjusting the preparation parameters and modifying the surface of UFD could satisfies the requirements of various applications .

强调改变工艺条件和对金刚石表面改性可得到不同需要的纳米金刚石产品。

Auslander-Buchsbaum Nagata have proved a famous theorem using homological method , which cannot be proved by other mathematical method yet : Every regular local ring is a UFD .

Auslander-Buchsbaum-Nagata用同调代数的方法证明了用其它方法还无法证明的著名定理：每个正则局部环是唯一分解整环。

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。

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。

Under the same heating rate , the crystallization temperature of Ni P UFD composite coating is lower than that of Ni P coating , while the peak temperature of the two electroless coating are well matched .

在相同的加热速率下，NiPUFD复合镀层晶化的起始温度均低于NiP镀层，但峰值温度与NiP镀层相当；

In order to describe the mass transfer and the energy transfer when the leaves moisture transpired , a phase transition model needs to be found , to compile the UFD source program of this processing and let its data communicate with that of equation solver .

为了描述烟叶水分蒸发时产生的质量传递和能量传递过程，则还需要建立相变模型，通过编写该过程的UDF源程序与求解器实现数据交流。

In this paper , we established the synthesize mechanism of UFD , built the direct simulation Monte Carlo computing method for the generation of liquid drops from free carbon through coagulation during detonation , and constructed the computing programs for explosion thermodynamics conditions and phase transition dynamics .

建立了较完整的UFD生成机理，建立了爆轰中游离碳聚结成液滴的直接蒙特卡洛方法计算、爆炸热力学条件计算和相变动力学计算程序；

Rather than consigning an old computer to the e-waste scrap heap , give it a new , inexpensive hard disk or just boot from a CD or a USB flash drive ( UFD ) and re-purpose the computer as a thin client .

不必将旧的计算机扔到到电子污染废品站，而是为它提供全新的、便宜的硬盘或从CD或USBflash驱动（UFD）启动并将计算机重新配置为瘦客户机。