National Repository of Grey Literature 58 records found  beginprevious49 - 58  jump to record: Search took 0.01 seconds. 
Optical fibers for chemical sensing
Matějec, Vlastimil ; Chomát, Miroslav ; Kašík, Ivan
The paper deals with performance of optical fibers for the development of chemical fibers. In its first part, there are physical basis shown are employed for the sensor design. Characteristics of particular types of fibers used in fiber-optic chemical sensors, namely polymer-clad silica /PCS/ fibers, sectorial fibers or fibers with special graded-index profiles are discussed in the next parts of the paper.
Kolísání napětí dodávaného větrnými turbínami s asynchronními generátory a s dvojitě napájenými stroji
Chomát, Miroslav ; Schreier, Luděk ; Bendl, Jiří
The impact of wind turbines and wind farms on the power grid is becoming increasingly important and much attention has recently been paid to the issues associated with operation of wind turbines in power systems. One of the most important power quality problems caused by wind power plants are large fluctuations of generated power due to varying wind speed and due to the construction of the wind turbine itself

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