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 conditions 条件(152029)工况(4011)
 条件
 Optimality Conditions for Set-Valued Optimization Problems 集值优化问题的最优性条件 短句来源 Results on Some Problems in Quasi-Differentiable Analysis and Optimization: Kernels·Convexificators·Optimality Conditions 拟可微分析与优化中某些问题的研究结果：核·凸化集·最优性条件 短句来源 Global Optimality Conditions and Global Optimization Algorithms for Quadratic 0-1 Problems 0-1二次规划的全局最优性条件及算法 短句来源 Optimal Control for Discrete-Time Markov Processes: New Optimality Conditions and Approaches 离散时间马氏过程的最优控制——新的最优性条件和新的方法 短句来源 Critical Point Quantities and Integrability Conditions for Complex Planar Resonant Polynomial Differential Systems 复平面多项式共振微分系统的奇点量与可积性条件 短句来源 更多
 工况
 A method of topological optimization design for the truss structures under multiple loading conditions 一种多工况下桁架结构的拓扑优化设计方法 短句来源 The common characteristic features of this method is to deal with the working conditions of the designed maximum discharge of closed circuit and then to determine the pipe diameters and water head. 方法的共同特点是先找出管网输配最大流量的工况,然后确定管径及水压。 短句来源 In order to strengthen the energy density of wind flowing through the wind turbine, a system which can highly collect wind energy is presented and the author analysed the optimal conversion rate of wind energy under various working conditions. 为增强通过风力透平的能量密度,本文提出了一种可以高度聚集风能的系统,并对此系统进行了理论分析,给出了各种工况条件下的风能最佳提取率,并得到了风能名义利用系数的理论极值和实际极值。 短句来源 Secondly, the topology optimization problem under multiple loading conditions is mathematically stated as a nonsmooth programming problem and the latter is then transformed into a smooth one by means of variable transformation, so that the solution of primary problem is finally changed into the solution of several linear programming problems. 第二,将多工况的拓扑优化问题描述为一个非光滑的数学规划问题,再通过一个变量代换将其转化为一般的规划为题,进而将原问题的求解又转化为几个线性规划问题的求解; 短句来源 The paper presents an effective method of topology optimization for truss structures under multiple loading conditions, by which the member force and structural weight are considered as a design variable and an objective function respectively, while the topology optimization is described as a non-smoothing programming problem at first, and then, transfromed into a smoothing one by means of the variable transformation. 论文提出了一种桁架结构在多工况作用下满足平衡条件的拓扑优化设计方法。 在该方法中,以杆件内力为设计变量,结构重量为目标函数,将拓扑优化模型描述为一个非光滑的数学规划问题,而后通过变量代换将其转化为光滑的非线性规划问题,进而将原问题的解转化为几个线性规划问题的解。 短句来源 更多
 “conditions”译为未确定词的双语例句
 NECESSARY AND SUFFICIENT CONDITIONS FOR GLOBAL ASYMPTOTIC STABILITY OF SECOND ORDER DIFFERENTIAL EQUATIONS 二阶微分方程全局渐近稳定性的充要条件 短句来源 Necessary and Sufficient Conditions for the Uniqueness of the Global Solutions of Ordinary Differential Equations 微分方程整体解的唯一性的充要条件 短句来源 The Complete Frequency Characterization of Transistors Operated under Small Signal Conditions 小信号下晶体管频率特性的完整表达 短句来源 THE NECESSARY AND SUFFICIENT CONDITIONS FOR A PLANE GRAPH G WITH X(G) =3 平面图G有X(G)=3的充要条件 短句来源 A Discussion of Necessary and Sufficient Conditions for the(0,1)Matrix to be Cut-Set Matrix in the Literature[1] 关于(0,1)矩阵是割集矩阵充要条件的商榷 短句来源 更多

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 conditions
 As a consequence, the action is linearizable if certain topological conditions are satisfied. An algebraicG-varietyX is called "wonderful", if the following conditions are satisfied:X is (connected) smooth and complete;X containsr irreducible smoothG-invariant divisors having a non void transversal intersection;G has 2r orbits inX. Here we provide certain conditions (more general than those in [Ka1]) which guarantee preservation of the topology under a modification. We express the vanishing conditions satisfied by the correlation functions of Drinfeld currents of quantum affine algebras, imposed by the quantum Serre relations. We discuss the relation of these vanishing conditions with a shuffle algebra description of the algebra of Drinfeld currents. 更多
 In this paper some cases of optimum control are studied when the conditions at the ends of trajectories are constrainted. The boundary conditions of the system of the differential equations (19), (22), etc. are determined; the formulae of functional variation (20) are derived; and the sufficient conditions of optimality and necessary conditions in some cases are proved. 当軌线末端受有条件限制时,将使最优控制系統有关的微分方程的边界条件变得复杂。本文考虑了各种受限情形,提出了确定边界条件的方法,得到泛函改变量公式,討論了控制最优性的充分条件以及在某些情形下的必要条件。 The problem of large deflection of a clamped circular plate under uniform pressure is studied by the method of successive approximation in terms of the parameter representing the ratio of the center deflection to the thickness. The tedious numerical computations, involved in Way's power series solution are thus avoided. The yielding condition at the edge checks very well with the experimental results given by McPherson, Ramberg and Levy. The method may be easily extended to any other boundary conditions... The problem of large deflection of a clamped circular plate under uniform pressure is studied by the method of successive approximation in terms of the parameter representing the ratio of the center deflection to the thickness. The tedious numerical computations, involved in Way's power series solution are thus avoided. The yielding condition at the edge checks very well with the experimental results given by McPherson, Ramberg and Levy. The method may be easily extended to any other boundary conditions and loading details. 本文所研究者,为一周缘夹紧之圆板,在匀布之侧向重压下所生之巨大挠曲。本文用圆板中点之挠曲距离与板厚之比率为参数,逐步求得本题之近似解答,藉此避免前人Way氏之幂级数法中繁重之数字计算。圆板周缘呈现委屈现象之条件,亦可求得,其结果与McPherson,Ramberg及Levy诸氏之实验,完全吻合。本法亦可适用于一圆板在其它周缘条件及其它荷重情况下之诸问题。 The dependence of the entropy of a homogeneous system on the composition is investigated with the help of a reversible adiabatic process which allows the change of composition by means of a semipermeable wall. The conditions of equilibrinm for phase transition and for homogeneous chemical reaction are derived in a new way. Next the criterion of minimum energy for constant entropy and volume is derived from the principle of increase of entropy. This criterion is then applied to obtain the conditions... The dependence of the entropy of a homogeneous system on the composition is investigated with the help of a reversible adiabatic process which allows the change of composition by means of a semipermeable wall. The conditions of equilibrinm for phase transition and for homogeneous chemical reaction are derived in a new way. Next the criterion of minimum energy for constant entropy and volume is derived from the principle of increase of entropy. This criterion is then applied to obtain the conditions of equilibrium and stability with the help of Lagrange's multipliers. The conditions of stability are expressed in several alternative forms. Next the equilibrium properties of a binary system arc considered, and some types of phase diagram are explained by means of equations. The theory is extended to the general heterogeneous equilibrium of a system consisting of any number of independent components. A system of equations for the change of temperature, pressure, and composition are obtained and are solved by means of determinants. Next Planck's theory of a binary solution is extended to a solution consisting of several solnte components, with the same conclusion regarding the lowering of freezing point as for a binary solution. Finally Planck's theory on the number of coexisting phases for aone-component system is extended to a system consisting of k components with the result that a state with, σ coexisting phases is more stable than one with σ-1 phases: where σ is an integer not greater than k + 2. 本文首述如何应用一半渗透之壁使一物体所包含各种分子之数改变,因之决定此物体之熵与其各种分子数之关系,由此关系极易推出一物体在改变其形态时,如汽化凝结等,所应适合之平衡条件。且若形态不变,而发生内部化学作用时,其平衡条件亦易推得。 次述如何由熵之增加原理推出能量最小之法则,然後应用此法则,辅以拉革兰氏之不定乘子,以求得一物体之普遍平衡与稳定之条件。其稳定之条件且以各种不同之形式表示之。 继讨论二元物体在平衡时之性质,随之以多元物体之性质,求得一组方程式以决定当此物体之性质改变时,其温度压力及各种分子之数如何改变。曾特别注意及溶液之性质,对於融点之降低与沸点之升高有一普遍之证明。 最後推广卜朗克氏关於并存形态之理论於多元物体,得与卜氏相似之结论。 << 更多相关文摘
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