نتایج جستجو برای: such as lightning

تعداد نتایج: 5966108  

2014
Ryan Blumenthal

Key points to remember in rural practice when investigating lightning incidents is to try and get as much data as possible. Visit the scene if possible. Consult experts from other disciplines (such as electrical engineers) and try to obtain as much collateral information as possible. Even try and confirm the precise time and pinpoint location of the ‘culprit’ lightning strike with your local we...

Journal: :The British journal of venereal diseases 1947
W FOWLER

The immediate relief of lightning pains in tabetics remains a problem. Though sedatives are still the commonest drugs prescribed, medical measures such as administration of vitamin B1, ephedrine, adrenaline, and insulin have been suggested on supposed etiological grounds, but have failed to meet with general approval. Surgical procedures, such as epidural injections, division of the nerve roots...

1983
John A. Barnden

The formal expression of pro positional attitudes, especially when nested (iterated), is an important problem for A I . An interesting first-order extensional logical system for such expression has been proposed by Creary. In this system concepts (and concepts of concepts, etc.) are made explicit. The system includes "concept functions", which are special functions which act on and deliver conc...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده کشاورزی 1394

with the increasing population and the need for more food, as well as with the development of science and technology, human approach to unnatural and often chemical inputs to increase agricultural production has been a great expansion and problems such as increased cancers, chronic diseases has created environmental pollution. implementation of organic organic is a solution to these problems . ...

2010
I. UGLEŠIĆ V. MILARDIĆ B. FRANC B. FILIPOVIĆ-GRČIĆ J. HORVAT

At the end of 2008, a new lightning location system (LLS) was established as part of LINET lightning detection network, which was developed in Germany and nowadays counts over 100 sensors installed across Europe. Four sensors were installed in different parts of Croatia. Together with sensors in neighbour countries, a sensor baseline of ≈250 km has been achieved covering Croatian territory. Fir...

Journal: :ISPRS Int. J. Geo-Information 2013
Stefan Peters Liqiu Meng

Globally, most weather-related damages are caused by thunderstorms. Besides floods, strong wind, and hail, one of the major thunderstorm ground effects is lightning. Therefore, lightning investigations, including detection, cluster identification, tracking, and nowcasting are essential. To enable reliable decisions, current and predicted lightning clusterand track features as well as analysis r...

2014
TIMOTHY J. LANG STEVEN A. RUTLEDGE BRENDA DOLAN PAUL KREHBIEL WILLIAM RISON DANIEL T. LINDSEY

Pyrocumulus clouds above three Colorado wildfires (Hewlett Gulch, High Park, and Waldo Canyon; all during the summer of 2012) electrified and produced localized intracloud discharges whenever the smoke plumes grew above 10km MSL (approximately 2458C). Vertical development occurred during periods of rapid wildfire growth, as indicated by the shortwave infrared channel on a geostationary satellit...

Journal: :Journal of athletic training 2000
K M Walsh B Bennett M A Cooper R L Holle R Kithil R E López

OBJECTIVE To educate athletic trainers and others about the dangers of lightning, provide lightning-safety guidelines, define safe structures and locations, and advocate prehospital care for lightning-strike victims. BACKGROUND Lightning may be the most frequently encountered severe-storm hazard endangering physically active people each year. Millions of lightning flashes strike the ground an...

Journal: :Schizophrenia bulletin 2014
Jason A Jepson

Lightning is the result of the buildup and discharge of electrical energy. The air in a lightning strike is heated to 50,000 degrees Fahrenheit. It is this rapid heating of the air that produces the shock wave that results in thunder. A cloud-to-ground lightning strike begins as an invisible channel of electrically-charged air moving from the cloud toward the ground. When one channel nears an o...

2011
Lu ZHANG Fenglian LIU Xiaoya TAN

Lightning is one of the most serious disasters in the electrical power grid, especially in the ultra-high and extra-high voltage power systems. The measurement of the lightning current parameters is of great importance for the investigation of lightning protection. The literature shows given its significant advantages over equivalent current transducers, the Rogowski coil is an increasingly pop...

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