نتایج جستجو برای: torque teno virus
تعداد نتایج: 418306 فیلتر نتایج به سال:
In 2018, an outbreak resulting in deaths of 28 breeding pigeons was reported north Brisbane, Australia. The affected birds had runny nasal discharge and poor body condition. Two were submitted to Biosecurity Sciences Laboratory, for investigation. A range diagnostic tests excluded a number known pathogens, no virus isolated cell culture. Histopathological examination revealed severe acute multi...
Based on the analysis of the principle of torque ripple with commutation time for brushless DC motor, this paper proposes a method to restrain commutation torque ripple. This method is an improved predictive current control. First, an expression is built about the torque ripple during commutation time. After analysis, the non-commutation phase current is related to torque ripple. Then, a kind o...
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