Nowadays precision dew point hygrometers are mostly the type of light-electricity detection,thermoelectric refrigeration and specula-surface condensation dew point instrument internationally.
目前国际上
精密露
大多为光电检测且
电制冷镜面冷凝式露。
电
;，量;;力;;,不用真空管;;;
差电势率；电动力电冷却器Nowadays precision dew point hygrometers are mostly the type of light-electricity detection,thermoelectric refrigeration and specula-surface condensation dew point instrument internationally.
目前国际上精密露大多为光电检测且电制冷镜面冷凝式露。
Cobaltite has attracted much attention as it is with excellence of stable in air at high temperature, toxic to environment and difficult to manufacture, compared to the traditional thermoelectrics.
对传统电材料，钴酸盐具有高下较稳定，对环境一般无污染，制备较方便等优而受关注。
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