Numerical Simulation and Analysis of the Sampling Process of Wetness Measurement Probe 加热法测量湿度探针取样过程的数值模拟与分析
As to the circuit, simultaneous sampling A/ D converters are used in order to replace traditional demodulation and decrease the errors caused by analog circuit, which can improve the differentiate of the probe. 电路设计方面,测头位移测量采用电感测量原理,并以两路同步A/D转换电路代替了以前采用的传统的检波方法,从而减小了模拟电路的误差,提高了测头的分辨率。
It was proved that the chemical reaction of the flow in the sampling probe was quenched by the analysis of 1-D. Application of Air-Cooled Particle Sampling Probe in Circulating Fluidized Bed Boiler 对取样探针内的流场进行了一维分析,证明气流中的化学反应能够被成功冻结。风冷式颗粒取样装置在循环床锅炉上的应用
A periodic multi-sampling method and a periodica average sampling method both suitable for five-hole probe measurement are presented. An automatic acquisition and a real-time processing and measuring system with five-hole probe has been developed and used to measure the inlet and outlet flow fields of a centrifugal impeller. 本文提出了适合于五孔探针测量的周期多点采样方法和周期平均采样方法,开发了一套数据自动采集和实时处理系统,并用之于离心风机叶轮进出口流场的测量。
Based on the two dimensional sampling law, two methods of nonuniformly sampling x-ray images on an electron probe are proposed. 本文基于二维采样定理,提出两种非等间距采集电子探针X射线像方法。
Design Method of the Sampling Probe of Ridge Waveguides 脊波导取样探头设计方法
The sampling probe connected with optical fiber cable can be inserted into the solution of industrial process directly for real-time analysis. 用光缆连接的测样探头能直接插入工业过程溶液,进行实时在线分析。
The determination of tin in geological samples with slurry sampling and Probe Furnace Atomic Absorption Spectrometry 悬浮液进样探针炉原子吸收法测定地质样品中的锡
In this paper a methane diffusion flame experiment system is introduced to synthesize CNTs, involving diffusion flame nozzle, mixture section, mass meter, sampling probe and alloy substrate as well as high pressure fuel gas. 我们采用甲烷扩散火焰用于实验研究炭纳米管的合成条件。实验系统包括扩散火焰喷嘴,混和段,质量流量计,取样探针和基板,气源。
Application of Air-Cooled Particle Sampling Probe in Circulating Fluidized Bed Boiler 风冷式颗粒取样装置在循环床锅炉上的应用
The influence of gas sampling rates on the measurement results and the effect on the state of measured gas in the presence of the enthalpy probe are studied. The measurement accuracy of the enthalpy probe is tested in low and high temperature regions in thermal plasma jets. 研究了不同气体采样速率对焓探头测量结果的影响,以及焓探头置入后对被测气体状态的影响,并分别检验了焓探头在热等离子体射流的低温区和高温区的测量精度。
The control system deals with the signal sampling and control of motors, pump, valve switch, probe, molecule concentration electric signal. 控制系统涉及到电机、泵、阀门开关、采样针、分子浓度信号等的检测与控制,对模拟信号的采样、各输出I/O进行了说明。
Based upon the sampling of 60 college students who major in foreign languages about their character tendency, primary probe has been made into whether character tendency has any influence on spoken foreign language grades and the degree of such influence by using the study method of Psychological Linguistics. 文章借助心理语言学的实验研究方法,通过对高校外语专业60名随机抽取的大学生进行的性格倾向测定,初步探讨了性格倾向对外语学习者口语成绩是否有影响,以及影响的程度。
In addition, the measured values of soil water content by soil sampling method and neutron prob method have been compared, the results show that the error from the probe measuring can be controlled within the permissible error level. 文中还给出了用取土法和中子仪测定法的比较结果,表明中子仪法的误差可控制在允许误差范围内。
Technique of Nonuniformly Sampling Images on an Electron Probe 电子探针图像的非等间距采样技术
A sampling probe of hot particle mass flux applied in dilute zone of circulating fluidized bed boilers 循环床锅炉热态颗粒质量流率测量装置
A new method using an on-chip sampling probe was proposed to introduce different cell samples, which simplified the operation and also prevented the cell sedimentation. 系统采用在芯片上加工取样探针的方法,实现不同细胞样品的引入,实验操作简单方便,而且解决了细胞容易沉积的问题。
Besides the sampling probe, the system also includes motion control system, sampling pipeline switch systems and data acquisition and processing systems. 根据排风过滤装置的性能要求,研发了线扫描自动检漏系统,整个扫描系统除了包括上述的采样探头之外,还包括运动控制系统、采样管路切换系统以及数据采集处理系统。
The design of the logic data sampling channel, including the design of the logic probe, the digital process of the signal, as well as the design of analog and digital signal multiplexing circuit. 2. 本文的主要工作内容有:1.数据采集通道部分设计:包括逻辑探头的设计、信号的数字化处理和数字模拟信号复用电路的设计。