查询词典 construction engineering

On the other hand, the design optimization of heat conduction for engineering structures has wide range applications in practice.

在数值分析基础上的热传导与结构耦合系统优化设计，具有重要的工程应用价值，是一个具有重要意义的研究领域，而其在理论研究方面却缺乏系统的研究。

ABSTRACT Flow pattern is of great importance in scientific research and engineering practice for two-phase flow and its heat transfer.

流型在汽液两相流及其传热的科研和工程实际中都是非常重要的。

The development of ground-source heat pump's application in engineering were introduced.

介绍了地源热泵技术在工程中的应用，分析了地源热泵在中国的发展前景。

This paper has analyzed several basic problems in the engineering thermodynamics course especially,including the conception of "spontaneous course"、"balanceable state",and the issue of temperature summing、single heat reservoir thermodynamic cycle .

本文重点分析了工程热力学课程中的几个基本问题，包括"自发过程"的概念、"平衡状态"的概念，以及温度的相加计算问题、单一热源的热力循环等，对这些概念的本质进行了深入阐述。

Different industries in order to adapt to the needs of my company's chain of materials used have carbon steel, alloy steel, heat-resistant, acid-resistant stainless steel and engineering plastics, etc..

为了适应不同行业的需要，我公司生产的链条所用的材料有碳素钢、合金钢、耐热、耐酸的不锈钢以及工程塑料等。

As the application of the methods given, involute helicoid, which is widely applied in engineering, is developed into plane. And the problem in plate metalwork, which is t he development of square-circle tie-in, is also solved by the method.

其一是钣金工中方-圆类接头的展开问题，该问题的解决是锥面展开方法的成功应用；其二是螺旋输送器的核心部件——铰龙的展开问题，它是切线曲面展开方法应用的典型实例。

For building the ecological engineering to purify the eutrophic water, six economic plants ,which are Cress,Ipomoea aqutica,leek,Chinese chives,Celery and Hemerocallis respectively,were selected,and the purification ability and the bio-ecological character of them were studied.

为建立净化富营养化水体的生态工程，本试验选择水芹、水蕹菜、韭菜、葱、黄花菜、芹菜等6种经济植物，研究了各种植物的净化能力及其生物学特性。

Hendricks, an associate professor of engineering, was in his office on the third floor when he heard 40 to 50 shots from what sounded like the second floor.

Hendricks在他位于三楼的办公室中听到了四、五十声枪响，声音似乎来自二层。

This article investigated the situation of five-year students in Henna Mechanical and Electrical Engineering College.

本文调查了河南省机电高等专科学校05级五年制学生体育锻炼活动的情况。

We get the two parameters hereinbefore successfully, and they can be used in the ocean weather forecast, ocean fisheries and ocean engineering.

本论文的研究工作是在国家高技术研究发展计划(863计划)课题模块化海洋遥感信息提取技术下开展的。

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。