In this article, a semi-empirical parametric model of high-pressured water-jet cutting depth with water-cement ratio, stand-off distance, treating times was established, using multiple nonlinear regression analysis of experimental results.
结合高压水射流技术处理砂浆试块表面的实验数据，采用多元非线性回归分析方法建立了砂浆水灰比、靶距、处理次数与处理深度关系的半经验模型，利用该模型可建立一个适用于更大参数范围和多种工程材料处理深度估算的实用模型。
Key words: storage cistern, crack width, crack resistance checking computations, parametric analysis
对于大偏心受压或大偏心受拉构件，下面推导得到满足抗裂验算要求的截面最小有效受拉区配筋率的计算公式。文献[2]给出的裂缝计算公式为
The Parametric Structure Calculation and Analysis Platform of Lattice Mobile Port Tyre Crane.
格构式动臂港口轮胎起重机结构参数化计算分析平台。
Deformation characteristics of CSW box-girder are studied and compared with that of general concrete box-girder through parametric analysis.
在此基础上通过参数分析进一步讨论了波形钢腹板箱梁的弯曲变形特性以及与普通腹板箱梁的差异。
Analysis of influence of phase conjugate laser upon the threshold of optical parametric oscillator.
相位共轭激光对光学参变振荡器阈值影响的分析。
Methods The program algorithm was based on non-parametric and parametric ROC curve analysis theory.
但是这些指标受主观选定分界点的影响，难以准确反映诊断方法的优劣。
By analyzing systematic characteristic of pumping well, on the basis of nodal analysis of overall pumping well system, by researching inflow performance relationship, multiphase piping flow in wellbore, parametric properties of oil-gas-water, pumping parameter, well track, complexity of suck rod string and sliding friction force for suck rod with tube, thus formulae is established for Sucker-Rod pumping, formation optimal design mathematical model suitable to optimizing design the suck-rod pumping system, design soft is compiled.
聚合物驱抽油机井参数优化设计模型在对传统经验模型进行聚合物驱影响的校正基础上，以能耗指标和系统效率指标等油井经济运行指数为目标函数，对抽油系统中的能量消耗进行了分解计算，并从现场试验中进行验证，充分结合了油井实际生产水平的变化，从而优选机杆泵和抽汲参数组合。
In addition, through non-parametric analysis method results indicate that there is no significantly difference between with and without interest distribution of the REITs performance in terms of relative efficiency.
而无母数的魏氏-曼-惠特尼检定方法结果表示各REITs不论是配息或者不配息之方式，因为未达显著水准皆不具有显著性，故在各相对效率上并无统计上的显著差异。
The long-term trend of annual runoff series of Geheyan Reservoir is analyzed with non-parametric methods, such as wavelet analysis and Mann-Kendall test.
根据月降水、径流资料进行水循环要素分解，并应用 Mann-Kendall 方法分析了7个主要的水循环要素的变化趋势。
Optimization; parametric quadratic convex programming; set-valued map; directional derivative; linear stability; solution-set map; parametric linear programming; error bound; subdifferential map; lower locally directionally Lipschitzian; upper locally di-rectionally Lipschitzian; locally directionally Lipschitzian; convex function; quasidiferential; kernelled quasidiferential; quasi-kernel; star-kernel; star-diferential; Penot diferential; subderivative; superderivative; epiderivative; set-valued optimization; set-valued analysis; subdifferential; optimization condition; ε-dual; scalization; generalized subconvexlike-cone; ε-Lagrange multiplier
基础科学，数学，运筹学最优化；集值映射；方向导数；线性稳定；最优解集映射；参数线性规划；参数凸二次规划；误差界；次微分映射；下局部方向Lipschitzian；上局部方向Lipschitzian；局部方向Lipschitzian；凸函数；拟微分；核拟微分；拟核；星核；星微分； Penot-微分；上导数；下导数； Epi-导数；集值优化；集值分析；集值映射的次微分；最优性条件；广义锥次类凸；ε-对偶；数乘；ε-Lagrange乘子
Parametric analysis of performance, such as:thrust, specific fuel consumption, energy efficiency...
提出了一个能简便准确地判断微型发动机顶层设计方案是否能产生推力的判别准则，并得出了高、中、低性能的三种气动热力参数顶层设计方案。
Based on the results, parametric study was also made to optimize the design. The simulation results and theoretical analysis could provide guidance for practical work.
通过对系统的动态模拟和理论分析，证实了以硅胶－水为工质对的吸附式系统更适合利用太阳能，研究结果为进一步实验和改进系统性能提供理论指导。
A parametric analysis was conducted to study the influence of the soil permeability and the wall thickness of the pipe pile on the isolation effectiveness.
数值算例分析了饱和土体的渗透性和管桩的壁厚等参数对管桩隔离效果的影响。
The method comprises the following steps: arranging the microcomputer machine network parametric comprehensive measurement device in a power plant, collecting field data of the steam turbine, the power generator and the dynamic process of the power grid, transmitting the data to the data center via the network or the communication means, carrying out a series of analysis processing of the data to obtain the machine network dynamic coupling model and parameters, and completing the dynamic safety assessment and the time-domain simulation and verification of the power system.
所述方法是将微机型机网参数综合测量装置安装在发电厂现场，对汽轮机、发电机和电网动态过程的现场数据进行采集，通过网络或通讯把数据送到数据中心，然后对数据进行一系列分析处理，得到机网动态耦合模型及参数，并最终实现电力系统动态安全评估和时域仿真验证。
If the application conditions of the analysis of variance were not met, a non parametric test was used.
如果不满足方差分析的应用条件，则利用非参数检验。
Function and limit, one-variable calculus and its application, ABC of progression and multiple-variable calculus, determinant, matrix and its calculation, system of linear equations and quadratic form, probability of occurrence, chance variable, law of large numbers and central limit theorem, sample and parametric estimation, variance analysis, regression analysis.
Advanced Mathematics 1 [Course Code 1040008 MAT114] 本课程主要介绍函数和极限，一元微积分和它的应用，ABC 级数和多元微积分，行列式和矩阵的应用，线性方程和二次方程式，事件的概率，偶然性变量，大数定律和中心极限定理，样本和参数估计，方差分析，回归分析。
This article that focuses on the systematic and in-depth research in the current primal problem about abnormal burst pressure reservoir depress burst pressure has procured following main fruits:1 It forms the method which could obtain massive vertical static state mechanics parameters.2 In a foundation of acquisition of rock mechanics parameters, apply bent lamella that as mechanical model along with characteristic of actual geologic characteristics to analysis curvature for anticlinal strcture, get homologous tectonic stress value throug relation between the curvature and stress and different principal curvature in anticlinal structure, consequently set up laminational stress model for anticline reservoir. The block lamination for existed fracturing date has formed method of setting up mechanical model of lamination terrestrial stress by abtaining the block tectonic stress coefficients which are got by complex utilization test, laboratory test and fracturing date playback.3 Analysesing the main reason which lead to high burst pressure by considering the characteristic of reservoir geology, reservoir, and rock mechanics and reservoir damage, etc. Establishing burst pressure quantitative prediction model which provide gist for depressing construction risk and optimizing construction craft under the condition of open hole completion, gun-perforated completion and damaged reservoir.4 Provding theoretical basis for interpreting acidification pretreatment which could depress busrt pressure by finding the relation between the influencing factors and rock machanics parameters and analysing the factors that have effect on rock mechanics parameters. Expounding the mechanism of reaction of mixed monomineral and acid from the angle of microcosmic element, evaluating quantitatively acid sensilility of different kinds of mineral effectively, and determing the first-order reaction dynamical equation of each mineral.5 Revealing rock mechanics property chage as a result of acid flooding in different condition by sandstone traumata experiment in different temperatures which combined with rock mechanics triaxial stress experiment.6 Associating damage mechanics with sandstone acidizing, established sandstone damage mechanics model in the foundation of the recognition on the rock mechanics parametric variation which is caused by acid-rock reaction in both macroscopic view and microscopic view, also demonstrated those processes and quantitative estimated the acid busrt pressure to direct the site operation.
本文针对目前异常破裂压力储层降低破裂压力的主要问题展开较为系统和深入的研究，取得了以下主要成果：1形成了利用测井资料，结合室内岩芯测试结果，获取静动岩石力学参数的相关性特征，从而获得纵向上大量静态力学参数的方法。2在获取了岩石力学参数的此基础上，利用弯曲薄板作为力学模型，结合区块实际地质特征对背斜构造进行曲率分析，通过曲率与应力的关系，利用背斜构造不同部位的主曲率求得相应的构造应力值，从而建立起背斜储层的分层应力模型；对已有压裂资料的区块分层，形成了综合利用测试、室内实验、压裂资料反演获得该区块构造应力系数，建立起分层地应力的力学模型的方法。3综合考虑储层地质、油藏、岩石力学特性和储层伤害等因素，分析造成高破裂压力的主要原因，综合利用岩石力学、弹性力学等知识，建立了裸眼完井、射孔完井条件下以及储层受到伤害后的储层破裂压力定量预测模型，为降低施工风险和优化施工工艺提供了依据。4完成了物性、岩性影响岩石力学参数的因素分析，找出了各影响因素和岩石力学参数之间的关系，为从机理上解释酸化预处理降低破裂压力提供了理论基础；从微观元素的角度阐述了单矿物与酸反应的机理；并在此基础上，有效评价了各种矿物的酸敏感性，定量确定了岩石中各矿物的一级反应动力学方程。5完成了不同温度下的酸液类型、酸液浓度、注酸量等一系列砂岩损伤实验，结合岩石力学三轴应力实验，系统揭示了在不同条件下注酸而引起的岩石力学性质变化。6将损伤力学与砂岩酸化相结合，在宏观、微观两个方面认识酸岩反应引起岩石力学参数变化基础上，建立了砂岩损伤力学模型，并对其进行验证，在此基础上定量计算酸化后的破裂压力，有效指导现场施工
Based on the collaborative simulation environment ANSYS Workbench, the collaborative CAD/CAE for design simulation was realized and the parametric model for the frame of impact hammer crusher was established. Also, the finite element analysis with multiple loading conditions and variable parameters was carried out. The results can provide an important foundation for the improvement and optimization of this hammer crusher.
讨论了协同仿真分析方法，并基于协同仿真环境ANSYS Workbench，针对某反击式破碎机机架，实现CAD/CAE设计－仿真的同步协同，对其进行参数化建模并进行多工况变参数有限元分析，对其强度与刚度作了相应的评价，为后续的优化改进提供了依据，为协同仿真分析技术在复杂产品设计中的应用作了有益的尝试。
It is also discussed that the semi-parametric STLS regression is more relevant than the classical Tobit analysis in testing DEA estimate of efficiency.
讨论半参数对称修剪最小二乘回归分析在DEA结果检验问题上比经典的Tobit分析更为适切。
The parametric finite element model of a Changhong telerision set was established using the finite element analysis software ANSYS/LS-DNNA, and its dropping emulation was completed. The stress and strain cloud diagrams and acceleration dynamic response of TV set structure were obtained. Parameter integrity was provideo for the structure improvement and the package design for this type of TV sets. In virtue of thd analysis with this mothod, the under-strength and over-strength probtems in TV structure design can be avoided.
利用有限元分析软件ANSYS/LS-DYNA，建立长虹电视机的参数化有限元模型并实现跌落仿真模拟；分析电视机结构对跌落的响应，获得应力、应变云图和加速度响应等结构动态特性；为该产品结构改进和包装设计提供全面的参数；减少或避免在电视产品结构设计过程中依靠经验造成的强度不足或过盈。