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红外热谱
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  thermal infrared spectrum
     Points out the shortage of “point for area” in commonly used average temperature measurement methods and the characteristics of solid surface temperature distribution in buildings. By using the thermal infrared spectrum of the building envelope surfaces, analyses the errors resulted from selection of the characteristic points and the area division.
     指出建筑工程中固体表面温度分布特点及常用的以点代面测量平均温度方法的不足,利用围护结构表面的红外热谱图,分析了特征点的选择及区域划分给表面平均温度测量带来的误差。
短句来源
     The research indicates that the thermal infrared spectrum correctly reflects the temperature distribution, solving the puzzle of the average temperature measurement on solid surfaces.
     研究表明,红外热谱图可以正确地反映建筑结构表面的温度场分布,解决了固体表面平均温度测量的难题。
短句来源
  相似匹配句对
     Thermal Spectrum Analysis Method for Infrared Thermogram of Transistors
     晶体管红外热像图的热谱分析方法
短句来源
     The Infrared Measuring Technology for Temperature
     红外测温技术
短句来源
     Infrared Therapy
     红外医疗
短句来源
     The structure of activated fly ash and its absorbing mechanism are studied by thermo spectrum (TGA、DTA),infrared spectra,etc.
     通过热谱红外光谱分析,探讨了活化粉煤灰的结构及吸附机理。
短句来源
     THERMO-SPECTRAL CHARACTERISTICS OF DIATOMITE
     硅藻土的热谱特征
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This paper deals with the thermal stability of nephrites in terms of DTA and TGA. In addition, their characteristic thermal IR spectra are systematically described with special reference to their IR spectra. Meanwhile, the mechanisms of thermal transformation of nephrites are investigated in detail by X-ray diffraction analyses. The results show that changes in thermal properties of nephrites are a complex outcome of changes in thermal properties of component minerals, and that the final thermal transformation...

This paper deals with the thermal stability of nephrites in terms of DTA and TGA. In addition, their characteristic thermal IR spectra are systematically described with special reference to their IR spectra. Meanwhile, the mechanisms of thermal transformation of nephrites are investigated in detail by X-ray diffraction analyses. The results show that changes in thermal properties of nephrites are a complex outcome of changes in thermal properties of component minerals, and that the final thermal transformation product is a kind of pyroxene which is similar to diopside both in composition and in structure.

本文利用差热与热重分析研究了软玉的热稳定性。通过红外光谱测定,系统地阐述了软玉的红外热谱特征,同时结合X射线衍射深入地探讨了软玉的热转变机制,认为软玉热学性质的变化是其各组成矿物热学性质变化的复合,而最终的热转变产物是一种成分和结构都类似于透辉石的Ca-Mg辉石。

Fluorescein monopyhosphate was synthesized with fluorescein and phosphorus oxychloride. The monophosphate was applied to the fluoro-metric analysis of acidic phosphatase. The reaction conditions of phos-phatase with fluorescein monophosphate, linear range for determination of the phosphatase, detection limitation and Michaelis constant were studied.

本文新合成了荧光素单磷酸酯,通过元素分析、红外、热谱确定了其结构,探讨了其生成机理,并将其应用到酸性磷酸酯的荧光分析,深入研究了它与酸性磷酸酯酶之间反应的条件、检测此酶的线性范围、检测限和米氏常效.

This article presents a pratical low noise chopper amplifier for sensor s weaksignal amplification. It is composed of precise absolute value (rectification)electric cir-cuit,chopped wave amplifier and low-pass filter electric circuit. It processes the weak,upand down (positive and negative)oscillating signal from sensor or one stage preamplifi-er,so that it reflects the probed objective physics directly perceived through the sensesby the positive direct current volt range. The 1ow noise chopper amplifier is...

This article presents a pratical low noise chopper amplifier for sensor s weaksignal amplification. It is composed of precise absolute value (rectification)electric cir-cuit,chopped wave amplifier and low-pass filter electric circuit. It processes the weak,upand down (positive and negative)oscillating signal from sensor or one stage preamplifi-er,so that it reflects the probed objective physics directly perceived through the sensesby the positive direct current volt range. The 1ow noise chopper amplifier is novel andworkable,even though the input signal has only tens or hundreds microvolt and it stillworks well. And it is useful in infrared thermal testing,the effect is fine: By using thelow noise chopper amplifier,we get the infrared thermal signal wave.of the temperaturechangs of the sample while it is heating by a laser.

本文介绍一种实用的传感器微弱信号低噪声斩波放大器.它由精密绝对值(整流)电路、电斩波放大电路和低通滤波电路三部分组成,适用于传感器或经一级前放输出的微弱波动信号需直观地由其直流电压正幅值来反映其变化的场合.输入信号即使只有几十微伏或几百微伏此放大器都能正常工作,而且在红外测温判别产品质量方面应用效果良好,获得了激光加热工件时靶点温升温降的红外热谱曲线.

 
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