Traditionally discontinuous deformation analysis ( DDA ) method adopts linear displacement mode, which has many defects.

Described the principle of 2-D discontinuous deformation analysis ( DDA ) and the numerical model of bolt.

阐述了二维非连续变形分析方法 ( DDA ) 与锚杆数值模型的基本原理,开发了考虑锚杆单元的DDA程序.

This paper analyzes extended DDA circle interpolation method.

本文分析了扩展的DDA园弧插补方法,给出了终判公式.

As the Exchange has strengthened supervision of sunshine yesterday CWB 1 only half an hour of trading.

由于交易所加强了监管,日照CWB1昨日仅交易了半个小时.

CWB 1 and Jiangxi Copper Sinopec CWB 1 two largest species, or both more than 2 %.

石化CWB1和江铜CWB1两支规模最大的品种, 涨幅双双超过2%.

The experiment research of this DCV method is also discussed briefly in this paper.

文中对该方法理论和实验研究做了简要介绍.

The experimental results demonstrate that the proposed KDCV achieve better performance than the DCV method.

实验验证了所得KDCV方法的识别性能优于DCV方法.

The output properties of copper vapor laser ( CVL ) have been studied experimentally in this paper.

实验研究了外延腔铜蒸气激光器 ( CVL ) 的输出特性.

The incoming power of this DCU is fed from Drive Power Supply Equipment.

该DCU的输入电源是驱动电源设备提供的.

For high correlation signal, its performance is superior to those of NLMS algorithm and DCR-LMS algorithm.

对于强相关性信号, 新算法的稳态失调小于NLMS算法和DCR-LMS算法.

DCR instrument: TH 2512 B or DCR test equipment equivalent.

电阻测试仪: TH2512B或同等的DCR测试设备.

Mechanism of its synthesis is discussed based on micro process of the nucleation of CVD diamond.

结合CVD金刚石成核的微观过程,探讨了定向金刚石膜的形成机理.

The results suggest that electrically conductive CVD diamond has excellent property lin micro and fine EDM.

研究结果初步表明导电CVD金刚石有着优异的电火花加工性能.

Preparation and field electron emission of diamond films grown on porous silicon substrates MW-CVD are studied.

研究了多孔硅衬底微波CVD金刚石薄膜的制备工艺及其场电子发射特性.

Finally, the development direction of polishing technology for CVD diamond thin film was forecasted.

并展望了CVD金刚石薄膜抛光技术的发展方向.

Surface characterization and microstructure studies are performed on chemical vapor deposited ( CVD ) tungsten coating.

研究CVD钨涂层的表面形貌和结构、断面性能、涂层的抗热震性能及高温扩散性能.

The influence of surface diffusion on CVD diamond nucleation was found very important.

表面扩散对CVD金刚石成核有重要影响.

In the paper a new method working life of the die-CVD diamond coating is introduced.

本文介绍了一种通过CVD金钢石涂层大幅度提高模具寿命的新方法.

Experiments were conducted using electrically conductive CVD diamond thick film as Electrode in die sinking EDM.

将导电CVD金刚石厚膜用作电火花加工的电极,研究了其精微加工特性.

SWCNTs are produced by three main techniques: arc discharge, laser ablation and chemical vapor deposition ( CVD ).

SWCNTs的 制备方法很多,包括电弧放电法 、 激光蒸发法、化学气相沉积法 ( ChemicalVapor Deposition,CVD ) 等.

Carbon nanotubes ( CNTs ) were prepared from acetylene at 923 K with Ni as catalysts by chemical vapor deposition ( CVD ).

以乙炔为原料气,采用Ni粉为催化剂,在923K下,由化学气相沉积法 ( CVD ) 制得了碳纳米管.