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Tuesday, March 13, 2012

RADIATION HAZARDS AND PRECAUTIONS


HEALTH HAZARDS AND SAFETY PRECAUTIONS: Radioactive substances emit continuously powerful radiations such as β particles, ϒ particles and α particles ray. These are high energy radiation and hence, harm to living tissues. Energy absorbed by the passage of radiation through human body gives rise to the structural change called radiation damage. This damage may lead to death of a person. M. curie and E. Fermi lost their lives because of the damage caused by these radiations. When radiations enter a living system, the cell and tissues gets damaged due to the interaction with radiations. The harmful effects on an organism caused by these radiations is called radiation hazard. The damaged cell and tissue hamper normal functioning of the living system living ultimately to the death of the organism.
Following types of the damages can be caused by the radiation hazards:
1.       The exposure to radiation induces deleterious genetic effects. When the radiation passes through genetic cells, there occur mutations of the chromosome of the cellular nuclei. The mutations are transmitted from one generation to the next and so on. The genetic effects are irreversible.
2.       The strong α-ray exposure can cause lung cancer.
3.       The exposure to fast and slow neutron can cause blindness.
4.       The exposure to neutrons, protons, and α particle can cause damage to red blood cells.
5.       The strong exposures to protons and neutrons can cause serious damage to reproductive organs.
Following are the safety precautions for radiation hazards.
1.       The radio isotopes should be transferred in thick wall lead containers and kept it rooms with thick walls of lead.
2.       The radio isotopes are handled with the help of remote control device.
3.       The workers are asked to wear lead aprons.
4.       The radioactive contamination of the working area is avoided at all casts.
5.       Nuclear explosions should be carried out far away from the public area.

11 Responses to “RADIATION HAZARDS AND PRECAUTIONS”

phương anh nguyễn said...
August 11, 2016 at 6:17 AM

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phương anh nguyễn said...
August 11, 2016 at 6:18 AM

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phương anh nguyễn said...
August 11, 2016 at 6:18 AM

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Khang Phú Đạt Audio said...
September 30, 2016 at 2:59 AM

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Khang Phú Đạt Audio said...
September 30, 2016 at 3:07 AM This comment has been removed by the author.

Khang Phú Đạt Audio said...
September 30, 2016 at 3:09 AM

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Cầu thang hà nội said...
February 8, 2017 at 11:07 PM

Interior design in 2017 is, tend to use the stairs like form of the reference you who:
toughened glass staircase =>cầu thang kính cường lực
beautiful staircase =>cầu thang đẹp
Glass stairs =>cầu thang kính
Wooden stairs =>-cầu thang gỗ
spiral staircase =>-cầu thang xoắn
iron staircase =>-cầu thang sắt
More view =>
Details of the main ingredients that make up glass staircase:
- Dear Links include: ultra durable tempered glass or laminated glass double.
- Head
- Pat double, single pat and glass clamp
- Handrail Fittings Handrails
Features of cau thang dep made of toughened glass is what?
Extremely safe and easy in hygiene and cleaning.
Beautiful and very chic deepens accents for your home space.
Very high quality, good load bearing again.
Very reasonable price affordable to the consumer.


haianh87hh said...
March 8, 2017 at 7:03 AM This comment has been removed by the author.

haianh87hh said...
March 8, 2017 at 7:04 AM

Thank you for the meaningful things that have brought your beautiful life and useful sharing. There is a new device that is being used in the marketplace, if you are a public speaker, you will need wireless instructor (thiết bị trợ giảng không dây) equipment to ensure good audio transmission with unexpected add-ons. Here are some of the assistants you are interested in:





Wireless teaching aids (máy trợ giảng không dây)

Teacher aids (máy trợ giảng cho giáo viên)

Chinese teaching assistant (máy trợ giảng trung quốc)

Cheap compact teaching aids (máy trợ giảng nhỏ gọn giá rẻ)

Cheap lecturer (máy trợ giảng giá rẻ)

Speakers are not (loa tro giang khong day)



i i said...
March 21, 2017 at 2:42 AM

máy trợ giảng , may tro giang , máy trợ giảng chất lượng tốt giá rẻ , máy trợ giảng giá rẻ , máy trợ giảng cho giáo viên , may tro giang cho giao vien , máy trợ giảng không dây , may tro giang khong day re , loa trợ giảng , loa tro giang , loa trợ giảng không dây , lao tro giang khong day , loa trợ giảng cho giáo viên , thiết bị trợ giảng , thiet bi tro giang , thiết bị trợ giảng cho giáo viên , thiết bị trợ giảng không dây , micro không dây , micro khong day , mic trợ giảng , mic tro giang , mic trợ giảng không dây , shidu


nhung coca said...
March 21, 2017 at 7:03 PM

bình lọc bể bơithiet bi ho boiđèn hồ bơixây dựng bể bơi hết bao nhiêu tiềnthang bể bơi


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