查询词典 direct method

A differential iteration solution is presented by combining the features of bidirectional iteration method, Newton′s interpolation formula and direct differential method.

将"双向迭代"、牛顿二次差商以及直接微分等分析手段有效地结合起来，形成一种被称为"微分迭代"的波导方程解析方法。

Compared with traditional method, the dividing and numbering method introduced in this thesis is more understandable and direct.

与传统方法相比，本论文中介绍的分割编号方法更加直观、直接，能有效地实现对导体电容的多极加速提取。

Network pruning is an effective way to obtain such a small network, including direct pruning method and penalty method.

网络修剪是得到上述小网络的有效途径之一，它包括直接修剪法和惩罚项法。

The shapes and forms of tetrahedral tetrads grains may be described with a new method of polar coordinate that is more exact and more direct than with traditional measurement method of polar axis and equatorial axis.

用极坐标法描述四合体花粉的新方法可以表现其饱满度，比较传统上用极轴、赤道轴的长短表现花粉平面大小的方法，更加准确而直观。

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

Pass observation of clinical curative effect, cure can enhance Chinese traditional medicine fitness, improve immune function, control allergic source, the upper respiratory tract relapses the symptom such as infection, have main effect to reducing blood in the urine, albuminuria, draft the root of remembranous milk vetch, Asian puccoon oneself, yuan grass of armour of ginseng, madder, 37 ginseng, plain hill, horsewhip, Bai Maogen, n/bot glossy privet child group waiting for medicine square, heat up detoxify with Yu Qing, invigorate the circulation of blood whitewashs Yu, cool blood filling kidney of hemostatic, method of treating yin deficiency by reinforcing body fluid and nourishing the blood administer a law, achieve the goal that administer thoroughly. 1 data and method 1 · 1 clinical data: 186 patients all are outpatient service case of illness, accord with Minica to concern the diagnostic standard of purpuric sex nephritis, among them the male 105, female 81, come on on average age 8~13 year old, time sees a doctor after coming on 3 months ~1 year, have direct allergen 86, have apparent infection 20, the others cause of disease is same.

通过临床疗效观察，中药治疗能增强身体素质，提高免疫功能，控制过敏源，上呼吸道反复感染等症状，对减少血尿、蛋白尿起到主要功能，自拟黄芪、紫草、元参、茜草、三七参、川山甲、马鞭草、白毛根、女贞子等药组方，用于清热解毒，活血化瘀、凉血止血、滋阴补肾等治法，达到标本兼治的目的。1资料和方法1·1临床资料：186例患者均为门诊病例，符合Minica有关紫癜性肾炎的诊断标准，其中男性105例，女性81例，平均发病年龄8~13岁，发病后就诊时间3个月~1年，有直接过敏原86例，有明显感染20例，其余病因相同。

Compared by the response obtained by the traditional mode superposition method, the direct superposition method of Ritz vectors yields more accurate results with fewer vectors and the contributions of higher modes are not overlooked.

与传统模态叠加法算得的结果相比，里兹向量直接叠加法只用很少数目的向量就可以得到较精确的结果，而且高阶模态的贡献不会被忽略。

This dissertation systematically surveys the development history of stator direct self control of the induction motors. Some main problems in the DSC method are pointed out and a new kind of intelligent DSC method is put forward.

本文系统地综述了直接转矩控制的产生与发展，指出了直接转矩控制方法中存在的主要问题，提出了一种新的智能直接转矩控制方法。

In this method we considerately consider the non-linear distortion of the scene and system error in the camera model, and introduce the non-linear distortion of the lens and system error into the direct-linear calibration algorithm, and quickly realize the camera calibration through a simple linear iterative method.

该方法在摄像机模型中全面考虑了镜头的非线性畸变和系统误差，在直接线性标定法中引入了处理镜头非线性畸变和系统误差的因子，通过简单的迭代求解实现了对摄像机的快速定标。

So, When the power system is in transient, the sliding mode control rule is chose directly to make transient component decrease quickly, and when the power system is in stability, the direct current control method based on voltage space vector method is imported to make the error current reduce to zero by inches and avoid surge.

为此，当系统处于暂态时，论文直接选择滑模控制率使暂态分量迅速减小，当系统处于稳态时，引入基于电压空间矢量的直接电流控制方法，使误差电流趋于0缓慢变化，在有效补偿系统无功的同时，提高了系统的动态特性，并大大降低了系统振荡的可能性。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。