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

1、

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.

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2、

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.

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3、

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.

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4、

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%.

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5、

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.

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6、

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.

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7、

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.

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8、

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.

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9、

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.

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10、

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.

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11、

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.

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12、

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.

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13、

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.

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14、

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.

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15、

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.

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16、

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.

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17、

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.

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18、

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.

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19、

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.

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20、

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.

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