"Some of the brightest minds in the country can be found on the last benches of the classroom" Dr. A. P. J. Abdul Kalam
Wednesday, 15 October 2014
JAPANESE ENCEPHALITIS
Today I want to talk about a killer disease named Japanese Encephalitis.
Recently many people have died of
encephalitis in West Bengal since July. The disease has first spread in north Bengal and later people of south Bengal have also become its victim. The worst has first areas are Jalpiguri, Cooch Behar and Darjeeling. Encephalitis is a serious mosquito-borne disease which occurs mainly in rural parts of Asia during the monsoon season. This is a viral infection of brain. The virus of encephalitis also originates from pigs, dirt and garbage. The patient suffering from this disease has high fever and his central nervous system is affected. Mainly children and old people are victims of the disease. There is no a specific drug to cure this disease. The government does not have adequate supply of 'testing kits' to test the virus. The Health Department has decided to use vaccine in Cooch- Behar. THE GOVERNMENT HAS APPEALED TO ALL TO BE AWARE OF THE DISEASE AND TAKE PREVENTIVE MEASURES LIKE (1) VACCINATION.
(2) KEEPING SURROUNDING OR LOCALITY CLEAN.
(3) USING MOSQUITO NETS.
(4) EATING HYGIENIC FOOD.
Causes of Japanese Encephalitis:-
This is caused by a mosquito-borne virus belonging to the family Flaviviridae. Usually, the domestic pigs and birds get affected by the virus, especially during the rainy monsoon season, leading to the growth of mosquito prone zones. The disease is spread by mosquitoes. Humans get affected by this disease by mosquito bites or by consuming contaminated food and water. The virus becomes a deadly one when it affects humans. It is usually the children and the infants who are immediately affected by the virus. However, this time, the virus has also affected the adults.
Symptoms of Japanese Encephalitis:-
Usually in most cases, the symptom of this viral infection is often considered to be flu in the initial phase. The common symptoms are: high fever, headache, muscle pain, diarrhoea and just feeling sick. Between 5 and 15 days after the infection develops, the patients develop severe symptoms like as seizures, muscle weakness, stiff neck, inability to speak and move, changes in mental state, sometimes into coma and then finally the infection spreads to the brain and causes death.
How can we prevent ourselves from the disease?:-
Like we say, “Prevention is better than Cure”. The first and foremost thing to do is to prevent mosquito bites. Apply mosquito repellents, wear full sleeve clothes to cover yourself, minimise outdoor activities from dusk to dawn because studies have shown that mosquitoes that carry JE virus feed during the cool hours. Visit the doctor whenever you develop any symptoms, be it a slight fever or a minor headache. If required, on the advice of the doctor, JE vaccine can be taken. Keep your surroundings clean. Clean the drains and water logged areas.
Tuesday, 14 October 2014
Me and my friends
https://picasaweb.google.com/114655131120796363634/Our_Royal_Team_Visiting_Kanchrapara04
https://picasaweb.google.com/114655131120796363634/Our_Royal_Team_Visiting_Kanchrapara03
https://picasaweb.google.com/114655131120796363634/Our_Royal_Team_Visiting_Kalyani
https://picasaweb.google.com/114655131120796363634/VIJAYA_2014
Against ISIA
I think today's situation is very dangerous for the whole human civilization. Today ISIS wants to capture the whole world. All countries of the world should be run together to fight against the ISIS, to meet this affliction of the world at the present time.
Friday, 3 October 2014
Tuesday, 30 September 2014
Higgs boson
The Higgs boson or Higgs particle is an elementary particle in the Standard Model of Particle physics. Its main relevance is that it is the smallest possible excitation of the Higgs field– a field that unlike the more familiar electromagnetic field cannot be "turned off", but instead takes a constant value almost everywhere. The presence of this field explains why some fundamental particles have mass while the symmetries controlling their interactions should require them to be massless, and why the weak force has a much shorter range than the electromagnetic force.
Despite being present everywhere, the existence of the Higgs field has been very hard to confirm, because it is extremely hard to create excitations (i.e. Higgs particles). The search for this elusive particle has taken more than 40 years and led to the construction of one of the world's most expensive and complex experimental facilities to date, the Large Hadron Collider, able to create Higgs bosons and other particles for observation and study. On 4 July 2012, the discovery of a new particle with a mass between 125 and 127 GeV/c2 was announced; physicists suspected that it was the Higgs boson. By March 2013, the particle had been proven to behave, interact and decay in many of the ways predicted by the Standard Model, and was also tentatively confirmed to have positive parity and zero spin,[1] two fundamental attributes of a Higgs boson. This appears to be the first elementary scalar particle discovered in nature. More data is needed to know if the discovered particle exactly matches the predictions of the Standard Model, or whether, as predicted by some theories, multiple Higgs bosons exist.
The Higgs boson is named after Peter Higgs, one of six physicists who, in 1964, proposed the mechanism that suggested the existence of such a particle. Although Higgs's name has come to be associated with this theory, several researchers between about 1960 and 1972 each independently developed different parts of it. In mainstream media the Higgs boson has often been called the "God particle", from a 1993 book on the topic; the nickname is strongly disliked by many physicists, including Higgs, who regard it as inappropriate sensationalism. On December 10, 2013 two of the original researchers, Peter Higgs and François Englert, were awarded the Nobel Prize in Physics for their work and prediction.Englert's co-researcher Robert Brout had died in 2011 and the Nobel Prize is not given posthumously except in unusual circumstances.
In the Standard Model, the Higgs particle is a boson with no spin, electric charge, or color charge. It is also very unstable, decaying into other particles almost immediately. It is a quantum excitation of one of the four components of the Higgs field. The latter constitutes a scalar field, with two neutral and two electrically charged components, and forms a complex doublet of the weak isospin SU(2) symmetry. The field has a "Mexican hat" shaped potential with nonzero strength everywhere (including otherwise empty space), which in its vacuum state breaks the weak isospin symmetry of the electroweak interaction. When this happens, three components of the Higgs field are "absorbed" by the SU(2) and U(1) gauge bosons (the "Higgs mechanism") to become the longitudinal components of the now-massive W and Z bosons of the weak force. The remaining electrically neutral component separately couples to other particles known as fermions (via Yukawa couplings), causing these to acquire mass as well. Some versions of the theory predict more than one kind of Higgs fields and bosons. Alternative "Higgsless" models would have been considered if the Higgs boson was not discovered.
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