查询词典 working paper

In the paper,the working principles of the cutting tools are analyzed,the wearing of the cutting tools during the shield boring is investigated,analysis and study are made on the features of and causes for the wearing of the disc cutters and scrapers,the reasons for the wearing are summarized and some recommendations are made.

在对刀具切削原理的分析和盾构掘进中的刀具磨损情况进行了现场调查的基础上，对滚刀和刮刀的磨损特点及原因进行了分析和研究，指出了磨损的主要原因，最后提出了合理的建议和意见。

In the paper,the working principles of the cutting tools are analyzed,the wearing of the cutting tools during the shield boring is investigated,analysis and study are made on the features of and causes for the wearing of the disc cutter s and scrapers,the reasons for the wearing are summarized and some recommendations are made.

在对刀具切削原理的分析和盾构掘进中的刀具磨损情况进行了现场调查的基础上，对滚刀和刮刀的磨损特点及原因进行了分析和研究，指出了磨损的主要原因，最后提出了合理的建议和意见。

Against the load characteristic of DBD ozone generator, this paper is to design a kind of inverter working at kilowatts level to meet above needs.

本文研究的目的在于针对DBD型臭氧发生器的负载特性的，设计一种数千瓦级功率的高频高压逆变电源以满足臭氧发生器这类装置的需要。

This paper analysis Nanshan Coal Mine geology structure force condition, used in mine geology working of geology machanics.

分析了南山矿区地质构造的受力情况，把地质力学应用到矿井地质工作中。

This paper mainly discusses the life characteristic and failure mechanism of the muhilayer ceramic capacitor under various working conditions such as charge-discharge frequency, charge voltage, charge-discharge duty radio and discharge inverse peak factor.

主要研究了高储能密度多层陶瓷电容器在不同充放电频率、充电电压、充放电占空比和放电反峰系数等条件下的寿命特性，并对其失效机理进行分析。

Related to the frame of agricultural mechanized standard system, the paper analyses the characters of different kinds of standards, which include purpose, applicable object, standardized object and main content, at the same time, studies the working-out or recensing actuality of every kinds of standards, and expects the prospect of them.

结合农机化标准体系框架结构，对农机化各类标准的用途、适用对象、标准化对象及编写的主要内容等属性进行了具体分析，在研究其制、修订现状的同时初步分析了其未来的发展趋势，明确了各类标准的定位。

In this paper, on the basis of the description of the pile-driving process and the dynamic analysis of the pile and the HSPD, the relationship between the frequency and the pile-driving force has been established under the conditions of the pile strength and the HSDP working requirements. The frequency character of the ZYB200B HSPD system has been analyzed quantitatively in the vibrancy pile-driving process, therefore the frequency range and the best available frequency have been obtained.

本文首先通过对压桩过程的描述和桩与液压静力沉桩机的力学分析，确立了液压振动压桩在桩的强度条件下和液压静力沉桩机工作要求下的压桩频率与压桩力幅值之间的关系；定量分析振动压桩时系统的频率特性，得出了ZYB200B型液压静力沉桩机振动压桩时压桩频率的取值范围和系统能得到的最佳频率值。

In this paper, a new radial piston pump of self-assignment variable valve core form is introduced , which can take the corresponding variable form according to the different working condition demands.

摘 要：本文介绍一种全新的阀芯自配流变量形式的径向柱塞泵，其特点是根据不同的工况需求，可以采取相应的变量形式。

The paper provided an effective method of estimating project and improving working characteristic of loading mechanism through making mathematics model and simulating curve of track and rate and acceleration and pawls power.

通过建立适当的装载机构数学模型，模拟单、双耙爪爪尖的轨迹、速度、加速度、耙取力曲线，并且通过改变转盘速度对轨迹各段的速度、加速度、耙取力的特性进行研究，为评价设计方案、改善装载机构性能提供一种有效的手段。

This paper describes the working theory, construction design, technology rules and inspection accuracy of the precision stepper ball screw nut.

本文主要阐述精密步进滚珠丝杠副的工作原理、结构设计、制造工艺及精度检验。

It is also known as one of the most poisonous naturally occurring substances.

它也被称为一个最自然发生的有毒物质。

The greatest stress is found at the location on the cross section where V is the largest.

最大应力出现在横截面上V为最大的地方。