查询词典 theoretical

The learning theories of behaviorism, cognitivism and constructivism have established theoretical foundation for the use of computer in teaching.

行为主义、认知主义和建构主义学习理论为计算机在教育中的运用奠定了理论基础。

Constructivism is the further development of the theoretical study when behaviorism has already developed into cognitions .

建构主义是学习理论中行为主义发展到认知主义后的进一步发展。

But,in the real engineering application,this technique is based on some experients,theoretical research is behindhand of engineering practice.

然而该项技术在工程中的运用仍带有较大的经验性，理论研究远远落后于工程实践。

Thus provide a theoretical foundation for designing belleville springs.

从而为碟形弹簧的设计提供了理论依据。

The bench test results show that the speed-responding assist characteristic curve is reasonable and correct, aims to provide theoretical references for improving the performance of the Electric Power Steering system.

经过台架试验，结果表明所提出的车速感应型助力特性曲线的合理性和正确性，为EPS系统性能的提高及后续研究提供了理论依据和参考。

It could reliably and beneficially provide technical and methodological helps for further investigations of LABR, such as theoretical analysis, design, control and optimization, and so on.

通过对LABR模型的仿真实验研究，可以大大减少实际研究所需时间和投入，为对BLSS中的其他子系统的类似研究提供理论和方法上的借鉴。

Olivine-type LiFePO4 are recently expected to have a bright future as a potential cathode material of large scale moveable lithium ion batteries for its high theoretical capacity(170 mAh/g)and voltage(about 3.5 V versus Li/Li+),good stability both at room temperature and high temperature,low cost and environmental benignancy.

橄榄石型LiFePO4具有170 mAh/g的理论比容量和约3.5 V的电压、较好的常温和高温稳定性、低廉的价格和优良的环保性能，有望作为大型移动式锂离子电池的正极材料。

The olivine lithium iron phosphate (LiFePO4) has the potential to be a new commercial cathode material for lithium ion battery due to its abundant resources,low cost,non-toxicity,environmental benignancy,high theoretical capacity,good thermal stability and excellent cycling performance.

橄榄石型磷酸铁锂正极材料具有原料来源丰富、价廉、无毒、环境友好、理论容量高、热稳定性和循环性能好等特点，有望成为新一代锂离子电池正极材料。

The theoretical analysis and optimizing design were implemented to the structuralparameters of major working components, such as the clearance between cutter heads, thearrange of bent blade, grass removing angle and setting angle.

本文通过上述的试验和分析，给出了刀盘间距、机器前进速度以及刀滚旋转速度这三个因素在满足作业要求(覆盖率、埋草深度、碎土率)的前提下，降低功耗的最优组合方案，为进一步进行整机参数优化设计提供了重要的理论依据。

The objective was to study the target of benzimidazole carbamate drugs against Cysticerci cellulosae and give theoretical basis for type evolution and new drug design.

研究苯并咪唑氨基甲酸酯类抗囊药物对猪带绦虫囊尾蚴的作用靶点，为药物的类型衍化和新药开发提供理论依据。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。