نتایج جستجو برای: severe environments
تعداد نتایج: 513838 فیلتر نتایج به سال:
The use of wireless applications in industrial environments is rapidly increasing. Examples are remotecontrolled cranes, doors and robots. The electromagnetic interference in such environments can cause severe problems and therefore has to be characterized to avoid accidents and disturbances in the production processes. In this paper it is shown how the measurements of the Amplitude Probability...
SLAM (Simultaneous Localization and Mapping) under severe occlusions in crowded environments poses challenges both from the standpoint of the sensor and the SLAM algorithm. In several approaches, the sensor is a camera pointing to the ceiling to detect the lights. Nevertheless, in these conditions the density of landmarks is usually low, and the use of omnidirectional cameras plays an important...
Aeromonas hydrophila is a Gram-negative bacterium that is particularly adapted to freshwater environments and can cause severe infections in fish and humans. Here, we report the draft genomes of three A. hydrophila catfish and tilapia isolates.
background: our hearing ability in space is critical for hearing speech in noisy environment and localization. the spatial hearing questionnaire (shq) has been devised to focus only on spatial haring tasks (e.g., lateralization, distance detection and binaural detection). the aim of the present study was to determine the reliability and validity of the persian translation of the shq (spatial he...
Environments rarely remain the same over time, and populations are therefore frequently at risk of going extinct when changes are significant enough to reduce fitness. Although many studies have investigated what attributes of the new environments and of the populations experiencing these changes will affect their probability of going extinct, limited work has been directed towards determining ...
four halotolerant fungal isolates originating from the saltwater lake urmia in iran were selected during a screening program for salt resistance and α-amylase activity. the isolates were identified based on sequencing the its region and a part of the β-tubulin gene, as penicillium chrysogenum (isolate u1; cbs 132820), fusarium incarnatum (isolate u2; cbs 132821), and penicillium polonicum (isol...
the usage and production of polychlorinated biphenyls (pcbs) was banned in argentina in2002, approximately twenty to thirty years later than in other countries. a total of 29 sediment samples (upto 14 m deep) were analyzed for a mix of seven individual pcbs in a time series for over more than one year in twelve selected locations, including harbors, recreational docks and several industrialized...
One of the problems in the case of stainless steels is their low corrosion resistance against pitting corrosion in chloride containing environments, thereby leading to severe damage to industries. In this research, the pitting corrosion of 304 austenitic stainless steel was studied in 3.5% NaCl solution at room temperature (25˚C) by performing electrochemical measurements (containing cyclic pol...
Introduction: Egyptian cockroach is one of the species of cockroaches, which has a worldwide distribution, and can live in closed human environments. In this paper, we present the first reported patient with skin reactions and dermatitis to Egyptian cockroach in Iran. Case Report: An 80-year-old man referred to the clinic with skin lesions on his right foot. The patient lived in an adobe hou...
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