Fracture mechanics parameters of new brands of cemented carbide are studied.
对两种国产新牌号硬质合金的断裂力学参数进行了研究。
These mechanics parameters were the base of dynamic simulation of mining overburden.
反演得到的力学参数是覆岩移动动态模拟的基础数据。
This paper introduces the artificial frozen earth's mechanics parameters and property.
文中进一步介绍了人工冻土的力学参数和特性。
The rotation performance of fuze ball rotor is determined mostly by its mechanics parameters.
引信球转子的运动特性主要取决于其力学参数。
Variation laws of dynamic mechanics parameters of frozen silty-clay and fine-sand are the same.
试验发现，冻结粉质粘土和冻结细砂的动力学参数随频率、温度和含水量的变化规律相同。
So, the study of mechanics parameters of rocks under formation condition is a worthy subject of study.
因此，地层条件下的岩石力学特性是一项值得研究的课题。
Several aspects are studied, including: 1 Research on experiential methods of rock mechanics parameters.
主要工作包括以下几个方面：1、岩体力学参数经验方法的研究。
The variation of lateral displacement affects extremely the geometry and mechanics parameters in contact zone.
横移量的变化将极大地影响接触斑上的几何参数和力学参数。
Also the ice mechanics parameters obtained under such conditions are employed to calculate ice thermal expansion stress.
并把此条件下得到的力学特性参数用于冰温度膨胀应力的计算。
Whole structural dimension series of the steel and mechanics parameters of the profiles have been chosen by optimization.
在计算机上用最优化方法优选出了全系列异型角钢的结构尺寸和截面力学参数。
The probabilistic model of rock and soil mechanics parameters affects the results and precision of reliability analysis and design.
岩土力学参数的概率分布类型直接影响岩土工程可靠性分析的计算结果和精度。
This article introduces a measurement circuit for Respiratory Mechanics Parameters which is based on differential pressure sensor.
一种压差式呼吸力学参数测量系统的硬件电路。
The fracturing pressure of "Z41" well has been calculated by the established model using rock mechanics parameters from logging data.
由测井资料提取岩石力学参数，通过建立的破裂压力模型计算了中41井施工井段地层破裂压力。
This paper presents a method which not only takes the consideration of economic benefit of the bit but also rock mechanics parameters of the...
应用该方法既可以对钻头的预期表现进行评价，也可以进行钻头优选。
Experiential methods of rock mechanics parameters are discussed, all kinds of experiential methods and criterions of rock mechanics parameters are summarized.
讨论了岩体力学参数的经验处理方法，总结了各种经验公式和各类规范标准对岩石力学参数的规定。
The new back analysis method of mechanics parameters of surrounding rock was established by calculus of differences and artificial neural networks in this paper.
基于差分法和人工神经网络建立了新的硐室围岩力学参数反分析方法。
Combination of logging information and data, the method was identified which was in line with the use of rock mechanics parameters to strike a formation pressure.
结合测井资料数据和有效应力原理，确定出符合基于岩石力学参数的地层孔隙压力模型。
On the basis of analyses of wellbore unstability mechanism, the changing law of shale mechanics parameters was established after shale hydration by the experimentation.
在井眼失稳机理分析的基础上，经室内实验得出泥页岩水化后岩石力学参数的变化规律。
Mathematical statistic methods of rock mechanics parameters are studied, mostly including abnormal data preprocessing, random-fuzzy method, test on probability distributing.
研究了力学参数的数理统计方法，主要包括力学参数异常数据预处理、随机-模糊处理方法和力学参数的概型检验。
Aiming at practice in site, the new back analysis method of mechanics parameters of surrounding rock was established by calculus of differences and artificial neural networks.
结合现场实践，基于差分法和人工神经网络建立了新的围岩力学参数反分析方法。
Finally, using the front rock mechanics parameters of two slopes, it has established the analog modeling to forecast the distortion of slope in area which has not excavated coal.
最后，利用前面两个边坡的岩体力学参数，建立模拟模型对未采区的边坡变形进行预测。
The theory of strengthening surrounding rock supported with bolting is applied in this paper. Then the strengthening model of mechanics parameters of bolting body is established.
应用锚杆支护围岩强度强化理论，建立了锚固体力学参数强化模型。
At present, the domestic and international study of mechanical properties of rock is not so much, and the study of mechanics parameters of rocks under formation condition is even less.
目前，国内外对岩石力学特性的研究并不多，而地层条件下岩石力学特性的研究更少。
The study of dam stability is a very complicated issue and involves a series of variables difficult to accurately determine such as underwater level, rainfall, mechanics parameters etc.
坝体稳定性的研究是一个非常复杂的问题，尤其是涉及到地下水位、降雨、物理力学参数等一系列难以准确确定的变量。
Bottom hole pressure and the models of considered 3d crack propagation model in situ rock mechanics parameters, have made the assessment of situ rock mechanics parameters more realistic.
井底压力与考虑三维裂缝扩展模型时的就地岩石力学参数模型的建立，使得就地岩石力学参数的评估结果更符合实际。
We did studies about the correlation of logging data and mechanics parameters of stratum by doing experiments so that the theory of fracture pressure and collapse pressure can become practical.
为了使坍塌压力和破裂压力理论变成一项可操作的技术，我们通过室内实验进行了测井参数与地层力学参数相关性研究。
The new back analysis method of physics and mechanics parameters of surrounding rock was established by uniform design, calculus of differences and fuzzy artificial neural networks in this paper.
基于均匀设计、差分法和模糊人工神经网络建立了新的隧道围岩物理力学参数反分析方法。
The rock mechanics parameters, such as Yangs modulus and Poisson's ratio, are determined on the basis of surface fracturing treatment pressure and instantaneous shut-in pressure during PAD stage.
应用常规的地面压裂施工压力资料和前置液阶段的瞬时停泵压力测试等资料，初步探讨了求取储层原位岩石力学参数的新方法。
The finite element methods used in simulation on hot rolling of strip are introduced as well as the instances of revealing mechanics parameters, temperature field, and development of new process.
介绍了板带钢轧制过程中常用的有限元模拟方法的类型，及其近年来在揭示轧制力能参数、温度场、板形控制及板带轧制新技术和新工艺开发中的一些应用实例，并指出其存在的问题和发展前景。
It is pointed that numerical values of rock mechanics parameters acquired by any methods must accord with the criterions. 2 Research on mathematical statistic methods of rock mechanics parameters.
指出了不论使用何种方法得到的岩石力学参数值，都必须符合各行业工程规范标准对力学参数取值方法和范围的规定。2、力学参数数理统计方法的研究。
应用推荐