Closed-type wing for drones: Positive and negative characteristics

Fixed-wing drones for communication networks

In the last decade, drones became frequently used to provide eye-in-the-sky overview in the outdoor environment. They are widely used for surveillance, mapping and exploring unknown terrains. Their main advantage compared to the other types of robots is that they can fly above obstacles and rough terrains and they can quickly cover large areas. These properties also open a new application; dron...

Extension of TOPICS for group DM based on the type two fuzzy positive and negative ideal solutions

positive and negative feminism

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EEG characteristics in depression, "negative" and "positive" schizophrena.

OBJECTIVE qEEG investigations present differences in the comparison of schizophrenic patients and healthy examinees, as well as of depressive patients and healthy controls. The comparison of "positive" and "negative" schizophrenia also presents differences in the qEEG parameters. Changes in qEEG are various in these studies, but not always consistent. In this research we wanted to compare "posi...

Correlation of job characteristics with positive (optimism, vitality and positive affect) and negative (tension and impulsivity) components of psychological well-being among employees of Isfahan Gas Transmission Company

Introduction: Jobs have different characteristics that they can have different outcomes and effects on employee. The purpose of this study was to determine the Correlation of job characteristics with positive (optimism, vitality and positive affect) and negative (tension and impulsivity) components of psychological well-being among employees of Isfahan Gas Transmission Company. Methods: This i...