jrc

jrc

1. JRC -JCS model

JRC-JCS模型

2. MAETHEMATICAL EXPRESSION OF JRC MODIFIED STRAIGHT EDGE

JRC修正直边法的数学表达

3. Joint Roughness Coefficient (JRC ) is an equivalent index which describes mechanical effect of rock joint surface angle of ascent.

JRC是反映爬坡角力学效应的岩体结构面表面形态等效描述指标。

4. Calculation of the Reaction Force in JRC System

JRC系统中反作用力的计算

5. The analysis results show that determining JRC value by quantifying Barton standard outline curve in fractal dimension is an efficient method,and this method can avoid errors by visual evaluation.

分析表明 ,将 Barton标准轮廓曲线通过分形维定量化是确定 JRC值的有效方法 ,能避免目视产生的误差。

6. Jet Reaction Control (JRC) is a kind of method for controling some device, which depends on the reaction force generated by the high-speed air flowing out the jet.

喷气反作用控制(JRC)是依靠气体从喷嘴中高速喷出产生的反作用力来控制某种装置的方法。它可以应用于高空低动压条件下或者低速飞行条件下飞行器的姿态控制。

7. Based on a review of JRC measurement methods, according to the specific characteristics of rock joint, a piece of profilogragh and roughness rulerare a introduced in the paper.

在回顾粗糙度测量方法的基础上,从岩石节理的具体特点出发,研制了轮廓曲线仪和粗糙度尺,为节理粗糙度系数的统计测量提拱了一种快速测量手段。

8. Recent development of the joint roughness coefficient (JRC)

岩体结构面粗糙度系数JRC的研究现状

9. The joints in rock mass are discussed with fractal geometric theory. The fractal dimensions are obtained, and the relationship betwecn d_i & JRC is established.

应用分形几何理论对岩体节理进行描述,求得了节理的分维数d_1,并建立了节理分维数d_f与其粗糙度JRC的关系。

10. Farther more, a method of evaluating fractal dimension (D) of JRC scalc effects is given. Fractnl dimension (D) gotten by this method has a definite physiccal meaning.

本文介绍了一种确定JRC尺寸效应分维数D的方法,由此确定的分维数D具有明确的物理意义。

11. JRC; Joint Research Centre of the European Commission;

欧洲委员会联合研究中心;

12. Based on these curves which completed by simple profile instument, we can analyze statistically JRC and shear strength of discontinuity, so that the defects of bad representative caused by less samples can be overcome.

用简易纵剖面仪可快速绘制大量结构面表面轮廓曲线,以便进行JRC统计分析和结构面抗剪强度的统计估算,克服了由于样本数少而估算结果代表性差的缺陷;

13. joint roughness coefficent(JRC)

粗糙度系数

14. The JRC plan includes fuel cells and hydrogen, clean coal, second generation biofuels, nuclear fusion, wind, nuclear fission and smart grids.

联合研究中心出版的计划书收录了燃料电池、氢、清洁煤炭、第二代生物能源、核子融合、风能、核子分裂和大电网。

15. FRACTAL SIMULATION OF JOINT PROFILES AND RELATIONSHIP BETWEEN JRC AND FRACTAL DIMENSION

节理面分形模拟及JRC与分维的关系