测高

The Wide Area Measurement System is based on Synchronized Phasor Measurement and the technology of modern communication.

基于同步相量测量和现代通信技术的广域测量系统(Wide Area MeasurementSystem，WAMS)可以提供电力系统多个节点的同步信号，这些广域信号均是实时测得的，具有较高的精度和可信度。

Based on the Re-Os isochron method of molybdenites, this paper measured directly the ore-forming age from skarn ore in the Huangshaping deposit, and got a Re-Os age of (153.8±4.8)Ma, which is in accordance with the previous K-Ar age of 153~157 Ma obtained from phlogopite in the ore-bearing skarn of the deposit.

文章采用高精度的辉钼矿Re-Os等时线定年法，直接测得硅卡岩型矿体的矿化年龄为(153.8±4.8)Ma，与前人获得的含矿硅卡岩中金云母的K-Ar年龄(153~157Ma)一致。

For the low linear saturation threshold of photoelectric detector,a new and reliable method used in diagnostic system is introduced to attenuate high energy laser power density using multilayer dielectric coating.

针对环形光刀取样式高能激光束在线测量系统应用中光电探测器线性饱和功率密度低而被测高能激光功率密度高的特点，采用对取样激光扩束和介质膜衰减片级联衰减的方式，实现了数千倍的线性光强衰减。

The thesis starts with literature survey, analyzes the requirement put forward in special dynamic condition, demonstrates research advancement in modern flash ranging mechanics, selects digital speckle correlation measurement, which has low requirement for measuring condition and object's surface photology condition, with fine resolution power, has prospect of non-contact measurement, develops the ZM-DF-1 dynamic displacement and frequency measurement system.

较充分地论证了现代光测力学领域中主要方向的研究进展，选择对测量环境和对象表面光学条件要求不高，分辨力强、有实现非接触测量前景的数字散斑相关测量方法，开发ZM-DF-1型动态位移与频率测量系统。

The authors think that it is untenable for restraining the application of slotted-pipe piezometer by dam height and delay reaction ruled in the technical specification for fill-dam monitoring.The appropriate methods used should be selected upon practical effects.Furthermore,the sensitivity,accuracy and long period stability have been discussed,the performance of long period stabilit...

土石坝安全监测技术规范中不应以坝高和渗压滞后作为限制采用测压管的理由，采用何种监测方式应注重实际效果；对渗压监测仪器就灵敏度、精度、长期稳定性等多项指标进行讨论，指出长期稳定性应作为埋设仪器选型的主要指标。

How to get the most precise three_dimensional cartesian coordinates of the station occupied by a totalstation through GPS unit integrated in it is emphasized,and then they are transferred to the local two_dimensional plane coordinates and the orthometric height by a series of mathematical models.

在讨论GPS与TPS两大测量技术特点的基础上，研究了两者的集成技术和数据转换问题，重点是如何利用GPS技术实时求得TPS的测站空间直角坐标，再通过合适的数学模型转换为地方坐标系的二维直角坐标和正常高。

An optimal nonlinear compensation transmiting circuit of temperature measure was designed,which measuring using platina resistor stimulated by constant current source.

设计铂热电阻恒流激励测温的最佳非线性补偿变送电路，同时利用半导体致冷器件即可加热又可致冷的双向特性，制成以半导体致冷器为冷/热源的高精度控温系统，在20~40℃，控温精度高达±0。

Our research indicates that the change of precipitable water for the GPS stations nearby has no difference at the same time period in one day, showing that the change of moisture is the same for the stations nearby.

研究发现邻近GPS测站於逐日同时刻可水变化一致，具有高的正相关，显示当地的水气变化相同。

The difficulties during developing this technique is that dielectric loss tangent measured is very small, and many factors influence the high-precision measuring, such as the excursion of the primary wave on power line, the existence of the harmonious wave, and the electromagnetic interference in the field and so on.

该检测技术的难点在于待测介质损耗角很小，电网基波频率不稳、高次谐波的存在以及现场电磁干扰等因素都会影响测量准确度的提高。

This article describes that, instead of a Si-PIN detector , a domestic TX410 thin window high resolution proportional counter is used in an SZ-2 X-ray fluorescence analyzer to determine the Cu,Fe,S,SiO2 contents of the copper ores in a copper mine situated in yunnan prorice, south-west China.

给出了一台SZ-2X射线荧光分析仪上的 Si-PIN 探测器用国产TX410薄窗高分辨正比计数管替代，测云南某铜矿Cu、Fe、S、SiO2的含量。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。