查询词典 automatic calculation

Secondly, interpret the water-bearing status of drainage-base substance fromTM,according to the water-bearing spectral features,using GIS and RS technologies,based on thesurveying hydrologic data,and build up the projectional mathematical model of the Karstdrainage low-flow resource, in order to solve the calculation of the amount of low-flow resourcesin no documents and data regions.

二是以实测的水文数据为基础，利用 GIS 和 RS 技术，根据赋水光谱特征，从 TM 影像判读枯季流域下垫面物质赋水状况，建立喀斯特流域枯水资源预测的数学模型，用于解决无资料、无数据地区枯水资源量的计算。

In the last chapter of this paper, several remarks of this study were discussed. Considering saving the computer memory and increasing the calculation speed, the Pseudospectral time-domain numerical method is more effective than the FDTD method.

从节约计算机内存和提高计算速度方面考虑，电磁场数值计算建议采用时域伪谱算法来代替时域有限差分法，并进行了相应的比较和分析。

In the thesis a series ofβ-pyrazolyl-α,β-unsaturated Fischer carbene complexes were synthesized and structurally characterized by NMR, IR and X-ray crystallographic determinations. Based on the dynamic nuclear magnetic resonance and density functional calculation results, a three-step mechanism is proposed for the Michael type addition of pyrazoles to the alkynyl carbene complexes.

本论文合成了一系列β-吡唑基烯基卡宾化合物，并运用核磁共振动力学实验和密度泛函理论计算方法对Michael加成反应的机理及反应速率的影响因素进行了深入探讨。

This topic made a selection and a more detailed design calculation for the Oxide reactor according to the known technical parameters, which is the core equipment for sym-Tetramethyl benzene catalyzed oxidated to Pyromellitic Dianhydride , and made a detailed description about the manufacturing process of the reactor.

本课题根据已知的均四甲苯催化氧化法制取均酐的最佳工艺参数，对其核心设备氧化反应器进行了结构选型和较为详细的结构设计计算，并对反应器的制造工艺进行了详细的说明。

the title compound was synthesized and its structure was studied in theory.the schiff base compound was synthesized by condensation of paeonol with furylfurylamine,then it was deoxidized by sodium borohydried.the energies,bound lengths,bound angles,the net charges of main atom and contributive percents of frontier orbital in the title compound have been calculated by software hyperchem 7.0 in half experience method.the yield rate of title compound was 65.6%.the result of calculation showed that the most of the bond lengths and angles in the system were in the the normal range,negative charge mainly concentrate on o1,o2,o3 and n1.the title compound behaves as quadridentate ligand.

目的合成标题化合物并对其结构进行了理论研究。方法以丹皮酚和糠胺为原料合成席夫碱，经硼氢化钠还原得标题化合物；使用hyperchem7.0程序，用半经验方法计算了化合物分子中能量分布、主要键长、键角以及主要原子的净电荷分布和前言轨道分布。结果标题化合物，收率65.6%；计算结果分析表明，分子中主要原子之间的键长、键角基本在正常的范围内；负电荷主要集中于o1，o2，o3和n1上。

By using the methods of complex representation of quaternion matrices and companion vector, we study and simplify the numerical calculation methods of quaterinon matrices, and establish new aigebraic methods in quaternionic quantum mechanics.

我们通过四元数的复表示和友向量方法，研究并解决了四元数矩阵的一系列数值计算问题，给出一套四元数量子力学中的数值计算方法。

The numerical calculations of quaternion matrices The quaternionic quantum mechanics is a new coming disciplines of physics, because of noncommutation of quaternions, some numerical calculation methods of quaternion and quaterinon matrices are complicated and tedious.

四元数矩阵的数值计算问题四元数量子力学是近十几年来才发展起来的一门新兴的物理学科，由于四元数乘法的不可交换性，使得四元数量子力学中的四元数数学理论基础，特别是有关四元数问题的数值计算方法很不完备。

Based on these, bringing forword my owner thought in two facets that is the calculation of the impedance quotiety and the attain of the soil resistivity . Both of these advanced the nicety of the academic calculative method of the parameter of the transmission line in some degree.

在此基础上，对阻抗系数的计算和土壤电阻率的获得两个方面提出了自己的想法，在一定程度上提高了线路参数理论计算的准确度。

The result of calculation show that the maximum tracking angular velocity, the f rame rate of image sensor and relative velocity were the main factors that affect tracking ability of infrared imaging seeker during endgame.

通过分析弹目平行交会模型，对影响弹道终端导引头跟踪能力的诸要素进行了定量研究，并结合某型红外成像导引头的技术参数，对其终端跟踪能力进行了计算，计算结果表明，导引头的最大跟踪角速度、导引头图像探测器的帧频、弹目相对速度是影响导引头终端跟踪能力的主要因素。

Although the EPRI give a set of the approximate engineering solution method, actually the crack of parts in engineering project mostly presents inner 3D effect. If using 2D elastic-plastic or 3D elastic analysis, the result can't be precise. Because these methods have neglected the reassignation of the stress and strain which happened at nearly the top of cracks, carrying on 3D elastic-plastic analysis and J-integral calculation become the foundational work to study the expander and safety assessment of the pressure vessel cracks.

虽然EPRI给出了一套近似的工程解法，但实际上工程中构件的裂纹大多呈现内在的三维效应，若使用二维弹塑性或三维弹性分析必然不够精确，因为对裂纹的&等效&二维表达忽视了发生在靠近裂纹端部的应力和应变的再分配，所以对压力容器裂纹进行三维弹塑性分析及其J积分是研究压力容器裂纹扩展和安全评定的基础工作之一。

We are in a good position to meet your requirements.

我们完全可以满足你方的需求。

We are all pervade d with a sense of disaster.

我们普遍有大祸降临的感觉。