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固体材料
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    The device uses solid heat storage material and has many advantages over the currently hot water heat storage boilers,including smaller size (approximately 1/7),lower price,normal pressure,and is capable of work automatically,it is an ideal new type of heat supply device.
    它采用固体材料蓄热 ,较目前已有的热水蓄热电锅炉有显著优点 :体积小 (约为其 1 7)、造价低、常压、可自动运行 ,是一种新型清洁供热设备
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  soil material
The distribution of strongly magnetic nodules in soils and the absence of correlation between the content of magnetite and the magnetic parameters of the enclosing soil material indicate that the nodule magnetite is of soil origin.
      
In the case of 3D pile model the moment or couple developed by the side shear around the perimeter can be taken into account, where this moment can be significant especially in strong soil material or in the case of large diameter pile/shafts.
      
The result shows that many different distributions (uniform distribution, concentrated distribution and random distribution) of fractures in rock and soil material are the essential reasons of the daedal constitutive relations.
      
On account of α-ray emission from rocks and other soil material the ionization within the first 10 cm above ground is more intense than further up.
      
The examples are taken from the index sections "atomic absorption spectrometry" (method), "phenols" (substance) and "soil" (material).
      
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A precision adiabatic calorimeter for heat-capacity measurements of solids and liquids from 80 to 400 K has been constructed. The sample container of the calorimeter is made of pure silver, 0.3mm thick, gold-plated and polished, with a volume of about 40 ml and a total weight of about 50 g.The temperature and the electric energy supplied are seperately measured by two sets of precision potentiometer. The heating interval is controlled and measured automatically with an electronic timer. The control of adiabatic...

A precision adiabatic calorimeter for heat-capacity measurements of solids and liquids from 80 to 400 K has been constructed. The sample container of the calorimeter is made of pure silver, 0.3mm thick, gold-plated and polished, with a volume of about 40 ml and a total weight of about 50 g.The temperature and the electric energy supplied are seperately measured by two sets of precision potentiometer. The heating interval is controlled and measured automatically with an electronic timer. The control of adiabatic condition is carried out automatically by the Model DWT-702 precision temperature controller. The temperature difference between the thermal shield and the sample container could be kept within ±0.001 K.The measurements of heat capacity of a-Al2O3 (Purity 99.993%) prove the precision to be ±0.04% and give an accuracy of±0.2%. With this calorimeter we have measured the heat capacities of 11 complex thermal control coatings, thermo-inaulation and ablative materials for, spacecraft. All the figures and tables of the data are given and a formula for estimating error has been derived in this paper.

本文建立了-190—120℃温区内精密测定各种固体材料真比热的自动绝热量热装置.测试了十一种用于航天器热控技术的复合材料低温比热参数,绘制了曲线图,编列了数据表.用量热标准物质α-氧化铝检验了仪器装置的性能,确证其精密度为±0.04%,准确度为±0.2%.分析了测量误差,导出了误差估计公式.

This paper described the principles and the methods of heat conduction coefficient measurement of wood based panels by a conductometer with the steady state thermal flow. The measuring results of two kinds of wood based panels were analysed and compared. The results showed the time for steady state was short, and the measurement was convenient. It could be applied to measuring heat conduction coefficient of solid, fiber, and porous materials.

叙述了稳态热流计法导热仪测试人造板导热系数的原理和方法,讨论分析和比较了两种人造板的测试结果。结果表明:稳态热流计法导热仪具有稳定时间短、测试方便等优点,可用于测定固体材料、纤维材料和多孔隙材料的导热系数

Solid material heat storage eclectric boiler utilizes off peak dlectricity and helps to reduce the ever worseening gap between the peak and off ripeak power usage.The device uses solid heat storage material and has many advantages over the currently hot water heat storage boilers,including smaller size (approximately 1/7),lower price,normal pressure,and is capable of work automatically,it is an ideal new type of heat supply device.

固体材料蓄热式电锅炉使用低谷电作能源 ,对电网日益严重的峰谷差削峰填谷有积极贡献。它采用固体材料蓄热 ,较目前已有的热水蓄热电锅炉有显著优点 :体积小 (约为其 1 7)、造价低、常压、可自动运行 ,是一种新型清洁供热设备

 
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