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- shear strength reduction theory 强度折减理论
- FEM strength reduction theory 有限元强度折减理论
- Strength reduction theory 强度折减理论
- A novel approach to fault diagnosis in systems based on rough sets theory was presentod which can extract rules from crude data using reduction theory. 针对设备的各种故障 ,利用粗糙集优越的约简理论 ,对系统的量测数据进行诊断规则提取与简化 ,并通过对多个约简表关键信息的综合 ,形成一种混合策略的诊断规则。
- Dawson E M, Roth W H, Derscher A. Slope Stability Analysis by Strength Reduction[J]. Geotechnique,1999(6). 于学馥;郑颖人;等.;地下工程围岩稳定分析[M]
- This paper introduced first the basic concepts of rough sets theory,including rough sets knowledge representation methods and rough sets reduct theory. 首先描述了粗糙集理论的基本概念,包括粗糙集知识表示方法和粗糙集约简理论;
- The cross section area was decreased due to corrosion attack in decarburized region, resulting in the tensile strength reduction. 于已脱碳之后期反应,因腐蚀而引起的截面积减损量变,则为抗拉强度衰减之最主要作用因素。
- This paper introduced first the basic concepts of rough sets theory, including rough sets knowledge representation methods and rough sets reduct theory. 摘要首先描述了粗糙集理论的基本概念,包括粗糙集知识表示方法和粗糙集约简理论;
- According to the MOV reduction theory,the identity-based encryption scheme which is based on the bilinear map will lose the high efficiency of elliptic curve. 根据MOV归约理论,采用双线性映射构造的基于身份加密方案使得该方案不具有椭圆曲线高效的优点。
- The strength reduction FEM, taking the run-through of plastic zone as unstability criterion, can obtain actual stress distribution and simulate the process of slope failure. 以塑性区贯通为失稳判据的强度折减有限元法,可以很好的求解真实的应力分布和模拟软土边坡破坏过程,是一种值得提倡的方法。
- Because the heat exchange ratio of steel is much lower than that of aluminum alloys,HAZ only occurs for high strength steels with much smaller width and strength reduction. 而对于钢结构,由于其热导率比铝材小得多,因此只有高强钢才可能产生强度降低的热影响区,而且其强度的降低没有铝合金显著,热影响区宽度也比铝合金小得多。
- Then, a logic computational diagram is constructed for calculating diametral growth by assuming fatigue cyclic softening, namely yield strength reduction as tubing fatigues. 再通过合理的假设,建立用于计算直径增长的计算机逻辑框图。
- The stability of the jointed rock slopes is analyzed by means of the universal distinct element code(UDEC) in which the strength reduction method is included. 摘要将通用离散元UDEC与强度折减法结合,对含多结构面的岩质边坡的稳定性进行了分析。
- The nominal shear strength of the concrete will be reduced to a dependable shear strength by applying a strength reduction factor 0 of 0.85 (ACI Code, Section 9.3.2). 混凝土的有名无实的切变强度将被减少到可靠的切变强度被申请力量减少因素0 0.;85 (ACI 代码;部分9
- A interception probability reduction theory by means of comparing the RPPM with constant PRI pulse sequence is also analysised in this paper, further more the strong properties of ECCM of the RPPM is discussed and analysised. 此外,本文还介绍了随机脉位调制信号比较于等重复周期(PRI)脉冲信号来降低信号被截获概率的原理,讨论并分析了随机脉位调制脉冲多普勒雷达较强的抗干扰能力。
- A interception probability reduction theory by means of substituting randomly staggered pulse sequence for constant PRI pulse sequence is analysised to improve the existence capability of radar in ECM. 为了提高雷达在电子对抗中的生存能力,分析了随机脉位调制信号取代等重复周期(PRI)脉冲信号来降低信号被截获概率的原理。
- His strength in a crisis is an ace in the hole. 临危不惧是他的看家本领。
- Based on the direct electrochemical reduction theory (FFC Cambridge) ,direct electrochemical reduction of Dy_2O_3-Fe to prepare DyFe_2 alloy in molten CaCl_2-NaCl in the present paper. 本论文以FCC剑桥直接电脱氧制备金属的理论和方法为基础,研究在CaCl_2-NaCl熔盐中直接电解Dy_2O_3-Fe片制备DyFe_2合金;
- The Duncan E - B model and the generalized Mises model as the ideal elastic - plasticity model are adopted, and the applicability that the soil constitutive relation for slope stability estimation by FEM with shear strength reduction will be discussed. 讨论了土体采用邓肯E-B模型和理想弹塑性的广义米塞斯模型时;强度折减有限元法分析土坡稳定的适应性.
- Stability method that based on the FE (Finite Element) stress analysis of slip surface and the shear strength reduction method are two principal methods of FEM slope stability analysis. 摘要基于滑面上应力分析法和强度折减法是边坡稳定有限元分析方法中两类主要的方法。