技术
- 与 技术 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
The article exoatiats on the reasons of hole deviation; analyses a great many of recent field application of deviation control , gains a nice bit of field experience and theory on deviation control .
本文阐述了井斜产生的原因;归纳分析了今年来国内井斜控制技术在现场应用情况;结合静力学防斜理论和动力学防斜理论,总结了大量井斜控制技术现场应用的工程经验和理论,对防斜钻井技术研究及防斜钻井实践有重要参考、指导意义。
-
Digital technology in the rapid development of network technology today, access control technology has been rapid development.
在数字技术网络技术飞速发展的今天门禁技术得到了迅猛的发展。
-
a kind of design project of multifunction electric power quality gauged instrument based on virtual instrument is put forward in this article.this system integrates virtual instrument programming and power electronics together,to realize diverse signals of current electric power quality field allin one.the integrated signal generator unit which carries out the collection of high speed digital data,d/ a conversion and analog output in four channels,unsymmetrical synchro control fifo etc.by fpga are introduced,the flow of electric power system various signal which generates by vc programming is elaborated,and the structural design of signal amplification unit is analysed.the experiment text result shows that this gauged instrument has attained current advanced high grade of accuracy and it will accelerate the steps of electric power quality calibration because of its accuracy and versatility.
摘 要:提出一种基于虚拟仪器技术的多功能电能质量标定仪的设计方案,采用虚拟仪器编程技术和电力电子技术相结合实现集目前电能质量领域的多样信号于一体。介绍采用fpga实现高速数字量采集、d/a转换及4通道模拟量输出、非对称同步控制fifo等的集成信号发生单元,阐述利用vc编程实现的电力系统多样信号的产生流程,分析信号放大单元的结构设计。实验测试结果表明该标定仪达到目前先进的高精度等级,由于其准确性和多功能性将加快电能质量标定的步伐。
-
This paper introduced a set of brandnew mobile air lifting technology for acidulation and cleanup by using the mature matching skill of downhole air pumping with the mobile injection equipment of surface nitrogen gas generation system.
应用成熟的气举采油井下配套技术,结合可以移动的地面制氮注入设备,形成了一套全新的移动式气举酸化排液技术,从而发展了塔里木油田的气举采油技术,并在塔里木哈得油田试验和推广应用中见到了较好的经济效益。
-
In this dissertation, the key technologies in the development of the CAD/CAM software based on ACIS geometric engine are studied in depth.
计算机辅助设计与制造技术是近30年来迅速发展起来的新技术,是现代制造技术的重要组成部分。
-
Finally, the problems to be resolved about raw materials, low cost, design and evaluation in ACM were discussed.
最后,重点讨论了复合材料的原材料技术、低成本技术、设计/评价一体化技术等亟待解决的问题。
-
In chapter 8, the research works of the project have been summarized, and the research and application prospects in the future are forecasted. In the Part B of this dissertation, the DSP based vibration data acquisitor system for rotating machinery has been developed.
论文下篇,以工程应用为目的,以微电子技术、信号处理技术、数字信号处理器DSP和微机应用技术为手段,研制了基于DSP的振动数据采集器系统。
-
The development process of urban traffic signal control systems is simply reviewed, and the actuals and evolvement of traffic systems such as SCOOT, SCATS, UTOPIA, RHODES, OPAC and PRODYN are introduced. The above systems′ characteristics and shortages are analyzed. This paper points out that the keys for improving the performances of urban traffic signal control system are high quality detection data of traffic volume and traffic models.The development of urban traff...
简单回顾城市交通信号控制系统的发展过程;重点介绍SCOOT、SCATS、UTOPIA、RHODES、OPAC和PRODYN系统的现状和进展,分析其特点和不足;通过分析指出:提高城市交通控制系统性能的关键是高质量的交通量检测数据和交通模型,显然,把先进的智能控制技术、信息融合和处理技术与交通管理技术结合起来,才是城市交通信号控制系统发展的方向。
-
Meanwhile, the new problems of safety risk and environmental pollution caused by the addition of above mentioned organic compound to mother liquor were deeply analyzed.
同时深入分析了将上述有机物加入到母液中所带来的安全风险和环境污染问题,提出了中国保险粉企业需要在安全技术、环保技术和监控技术等方面作相应改进的具体建议。
-
With the advancement of network and multimedia technology, information technology has great development.
随着互联网和多媒体技术的技术进步,信息技术得到了飞速的发展。
- 推荐网络例句
-
In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.
。但是,在否定句或疑问句里,这种带有"do"的方法表达的效果却没有什么强调的意思。
-
Go down on one's knees;kneel down
屈膝跪下。。。下跪祈祷
-
Nusa lembongan : Bali's sister island, coral and sand beaches, crystal clear water, surfing.
Nusa Dua :豪华度假村,冲浪和潜水,沙滩,水晶般晶莹剔透的水,网络冲浪。