The invention relates to a method for cooling and drying enclosed environment by a direct-expansion air conditioner, comprising the following steps: 1. setting one preset value aiming at the enclosed environment and storing the values in memory of a control mechanism; 2. acquiring measurement values.....
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The present invention teaches methods and systems for transmitting signals in a building utilizing the reinforced steel bar structure in the building. The methods and systems allow the transmission and receipt of signals in residences and offices in older buildings while avoiding system reconfigurat.....
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Apparatus for measuring the lateral yarn density distribution of a yarn uses selected radiation in the X-ray spectrum wavelength. Radiation absorption is determined in a number of narrow planes across the yarn and in two or more rotational orientations. The measuring takes place without any damage t.....
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