查询词典 micro-climate

However, because of the natural characteristics of the micro and small hole EDM, such as weak discharge energy, high pulse power supply frequency, unstable spark discharge states and small discharge gap, etc., there are still some key technical difficulties in its machining process need to be solved: the difficulties in real-time discharge states detection, in accurate control of machining process, in prediction of discharge states, in improvement of machining system precision and in on-line preparation of micro electrode, etc.

但是由于微细及小孔电火花加工自身具有的放电能量极微、脉冲电源频率高、难以获得稳定的火花放电状态以及放电间隙极小等固有特性，决定了其加工过程仍然存在放电状态实时检测方法单一、加工过程难于准确控制、放电状态难于预测、加工系统精度提高困难和微小电极在线制备困难等关键性技术难点，亟待突破和解决。

Results show that the multi micro-structure units coexist in the potassium silicate glasses,and with the increase of SiO2 content,the micro-structure from silicon-oxygen tetrahedron monomer to dimmer,chain,sheet and network step by step.

结果表明：钾硅酸盐玻璃有多种微结构单元共存，并且随二氧化硅含量的增加，微结构逐步由硅氧四面体单体向二聚体、链状、层状和网络状转化。

Installation of two outer openings each staggered 180b, the inner and outer openings staggered opening 90b, and pin the three rings with a fixed, outer and inner expansion force in self-expansion force of working together, close to the surface of the pump cylinder run, inflation is not only the axial ring sealed, and the radial seal Ye Hao, it prevents micro-fine sand and into the axial friction pair, can also prevent the micro-fine sand and into the internal voids in the inner ring 3, the operation will not impede expansion ring breathing.

安装时2个外环开口互错开180b，内环开口与外环开口错开90b，并用销钉将3个环固定，外环在自身胀力和内环胀力共同作用下，紧贴泵筒内表面运行，胀圈不但轴向密封好，而且径向密封也好，故阻止微细砂进入轴向摩擦副，也可阻止微细砂进入内环3的内部空隙中，不会阻碍胀圈运行中呼吸。

Micro-scale effect and multi-field coupling are characteristics of the design of micro-electro-mechanical system. However, the current macroscopic structure-oriented CAD systems have not been able to meet the increasing requirements for the design in micrometer scale. Therefore, a flexible design modeling methodology for MEMS based on Petri net is put forward.

微机电系统设计具有微尺度效应和多物理场耦合的特点，而现有的面向产品宏观结构的CAD系统难以满足微米尺度设计需求，为此提出一种基于Petri网的MEMS柔性设计建模方法。

Carbon micro-coils were modified with ruthenium oxide(RuO2) by gel method,the RuO2/carbon micro-coils electrodes were prepared and button type supercapacitors were assembled.

利用凝胶法在碳微线圈上进行氧化钌(RuO2)修饰，制备RuO2/碳微线圈电极，组装成纽扣式超级电容器，比较了两种电极材料的循环伏安及恒流充放电特性。

Through theoretical analysis, experimental research and numerical simulation, this thesis studied not only in the micro-pressure drip irrigation system itself, but also the effects of micro-pressure drip irrigation to soil water movement and crop growth.

本文正是围绕目前微压滴灌技术存在的一些问题，对微压滴灌技术的应用问题作了大量的基础性研究。

The experimental results show that this method can realize the measurement of micro-vibration, and the micro-vibration displacements measuring range can be up to 5～775 nm.

实验结果表明，该方法能实现微振动信号的测量，对微振动位移的测量范围可以达到5～775 nm。

Micro-water jurisdiction, Wuli shop, a new micro-Chong, sesame valley, Nagaoka, Luojhuang, Nanhe head up Ge Shi, Jian ditch, the village chair, Yan Feng, Ma Village, Paragraphs village in the north are good in the south are good, square-off Ling, Liang Dong, Ha Tay good, all good stores, Dongzhuang, Hujiayu East Water, high Chuang, Luan Jia Yao, Royal, after the palm, skin Zhuang 27 administrative villages with a total area of 100.2 square kilometers , The town authorities in the Government Jingxing about 1 km to the west.

辖微水、五里铺、微新庄、芝麻峪、长岗、罗庄、南河头、石圪达、涧沟、椅子村、岩峰、马村、段庄、北良都、南良都、帐方岭、良河东、良河西、良都店、东庄、胡家峪、东水、高家庄、栾家窑、皇都、后掌、虎皮庄27个行政村，总面积为100.2平方公里，镇机关设在井陉县政府西边约1公里处。

In this research, the micro optical pick-up head is composed of a micro optical bench and a focusing lens mounted on a two-axis actuator. The study of focusing lenses is the major topic in this thesis.

在本研究中，微光学读取头是由微光学平台及固定在双轴致动器的聚焦透镜所组成的，其中的聚焦透镜正是本论文研究的主要方向。

The ultimate target of this research is to realize a focusing microlens with a diameter of 600 μm and N.A. of 0.65, integrated with the micro optical bench in a micro pick-up head.

本研究的最终目标是欲在微光学读取头中，实现一个整合於微光学平台之微透镜，而其直径大小为600微米，数值孔径为0.65。

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。