查询词典 angstrom unit

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。

The structure of adjustable aditus unit of gas wet purification and recovery system in revolving furnace steelmaking,its working principle were analyzed Compo of control unit and adjustment of control system were introduced The system could automatically adjust jaw opening of aditus of revolving furnace.

对转炉炼钢中煤气湿法净化回收系统的可调喉口系统的结构、工作原理作了分析，并介绍了控制环节的基本组成及整个系统的调试经验。

At the same time the UBHPAC unit emulation model about the underground buildings equipment such as: air cooling heating bump unit, temperature adjustable dehumidifier and air cooler is also set up.

建立了地下建筑常用设备如风冷热泵空调机组、调温除湿机、冷冻除湿机和冷风机等运行特性的计算机仿真模拟。

The unit installs, to unit part 5000 yuan of above fine 30 thousand yuan below, to the director that is in charge of directly personnel and personnel of other and direct responsibility are in 200 yuan of above 500 yuan of the following amerce.

单位设置的，对单位处5000元以上3万元以下罚款，对直接负责的主管人员和其他直接责任人员处200元以上500元以下罚款。

When the pH value of the solution contained in Cd~(2+) is near 5, the amount of Cd~(2+) exchange in analcime reaches to a summit; when the temperature increases, the amount of Cd~(2+) exchange in unit mass analcime also increases; when initial Cd~(2+) concentration decreases, the remove rate of Cd~(2+) increases while the amount of Cd~(2+) exchange in unit mass analcime also decreases; when other cations coexist in solution, there must be some influences to the Cd~(2+) exchange in analcime.

实验表明：当交换液的pH值为5左右时，方沸石对Cd~(2+)交换量较大：反应温度升高时，单位质量方沸石对Cd~(2+)交换量增大；随着溶液中Cd~(2+)初始浓度减小，方沸石对Cd~(2+)的去除率升高，但单位质量方沸石对Cd~(2+)的交换量逐渐减小；当溶液中有其他阳离子共存时，对方沸石与Cd~(2+)的交换也有一定的影响。

The studied factors respectively are: length of soil nailing, insert deepness of piles, friction force of soil nailing interface, declination angle of soil nailing, horizontal spacing of soil nailing, rows of soil nailing, unit weight of soil, friction angle, unit cohesion, overload of slope, diameter of soil nailing.

这11个因素分别为：土钉长度、土钉直径、土钉界面摩擦力、土钉下倾角、土钉水平间距、土钉排数、土体重度、内摩擦角、粘聚力、坡顶超载、板桩插入深度。

The unit cell parameter of polypropylene crystallized with different method and condition was studied:curves of wide angle X-ray diffraction are determined by stepwise scanning method,X ray multi peaks resolution program and simulation program of unit cell parameter developed by the general inverse matrix method are used as data processing of determined results.

研究了不同方式和条件下形成的等规聚丙烯结晶的晶胞参数，用步进扫描测定试样的宽角X-射线衍射，用广义逆矩阵法编的计算机分峰程序和晶胞参数拟合计算程序对测定结果进行计算和数据处理。

The technology of the invention has the advantages that: the display device comprises following mechanism; the mechanism is structured to adjust an elevation angle of the display panel unit in the condition that users need not keep and rotate the display panel unit.

本发明的技术优点在于显示装置包括如下机构，该机构构造成在用户不必保持和旋转显示面板单元的情况下调节显示面板单元的倾斜角。

In NO 1 unit, 187% of naphthalene, 71% of anthracene and 76% of fluoranthene can be filtered. In NO 2 unit, 96% of naphthalene, 42% of anthracene and 38% of fluoranthene can be filtered.

工艺1 中的萘、蒽、荧蒽等滤后水较原水去除率分别为87%、71%和76%；工艺2 中萘、蒽、荧蒽等滤后水较原水去除率分别为96%、42%和38%。

A new Weibull Stress arithmetic in which Gaussian point is as a calculation unit is proposed. It can get more accurate result than the arithmetic in which Element is as a calculation unit.

1本文提出了以高斯点为单位计算韦布尔应力的新算法，在相同的有限元网格划分情况下，该算法比目前国际上通用的以单元为单位计算韦布尔应力的算法计算精度更高。

But this is impossible, as long as it is engaging in a market economy, there are risks in any operation.

但是，这是不可能的，只要是搞市场经济，是有风险的任何行动。

We're on the same wavelength.

我们是同道中人。