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.....
[Detail]
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.....
[Detail]
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.....
[Detail]
An apparatus for grinding an organic material into a power includes a first grinding member with a first grinding surface and a second grinding member with a second grinding surface. The first and second grinding members are rotatably positioned adjacent each other for grinding an organic material b.....
[Detail]
A tool that can screen bacteria for .beta.-lactamases against a panel of various antibiotics is desirable. A biosensor incorporating an indicator molecule into .beta.-lactamases may achieve this purpose, but it requires that the attached indicator molecule must not impair the binding affinity of the.....
[Detail]
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