Adjournment sine die (from the Latin "without day") means "without assigning a day for a further meeting or hearing" to adjourn an assembly sine die is to adjourn it for an indefinite period. A legislative body adjourns sine die when it adjourns without appointing a day on which to appear or assemble again.
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- BA-136M
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- Constitutional Legal Tender
- The United States Constitution declares, in Article I, Section 10, “No State shall… make any Thing but gold and silver Coin a Tender in Payment of Debts.” State-Level Constitutional Tender laws seek to nullify federal legal tender laws in the state by authorizing payment in gold and silver or a paper note backed 100% by gold or silver.
- CS 137
- Caesium-137 is a radioactive isotope of caesium which is formed as a fission product by nuclear fission. It has a half-life of about 30.17 years, and decays by beta emission to a metastable nuclear isomer of barium-137: barium-137m (137mBa, Ba-137m). (About 95 percent of the nuclear decay leads to this isomer. The other 5.0 percent directly populates the ground state, which is stable.) Ba-137m has a half-life of about 2.55 minutes, and it is responsible for all of the emissions of gamma rays.
- CS-134
- Caesium-134 has a half-life of 2.0652 years. It is produced both directly (at a very small yield) as a fission product, but not via beta decay of other fission product nuclides of mass 134, since beta decay stops at stable Xe-134. It is also produced via neutron capture from nonradioactive Cs-133 (neutron capture cross section 29 barns) which is a common fission product.
The combined yield of Cs-133 and Cs-134Caesium-134 has a half-life of 2.0652 years. It is produced both directly (at a very small yield) as a fission product, but not via beta decay of other fission product nuclides of mass 134, since beta decay stops at stable Xe-134. It is also produced via neutron capture from nonradioactive Cs-133 (neutron capture cross section 29 barns) which is a common fission product.
The combined yield of Cs-133 and Cs-134 is given as 6.7896%. The proportion between the two will change with continued neutron irradiation. Cs-134 also captures neutrons with a cross section of 140 barns, becoming long-lived radioactive Cs-135. is given as 6.7896%. The proportion between the two will change with continued neutron irradiation. Cs-134 also captures neutrons with a cross section of 140 barns, becoming long-lived radioactive Cs-135.
- CS-136
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- I-131
- Iodine-131 (131I), also called radioiodine (though many other radioactive isotopes of this element are known), is an important radioisotope of iodine. It has a radioactive decay half life of about eight days. Its uses are mostly medical and pharmaceutical. It also plays a role as a major radioactive hazard present in nuclear fission products, and was a significant contributor to the health effects from open-air atomic bomb testing in the 1950s, and from the Chernobyl disaster, as well as being a threatening presence today in the Japanese nuclear crisis.
Iodine in food is absorbed by the body and preferentially concentrated in the thyroid where it is needed for the functioning of that gland. When 131I is present in high levels in the environment from radioactive fallout, it can be absorbed through contaminated food, and will also accumulate in the thyroid. As it decays, it may cause damage to the thyroid. The primary risk from exposure to high levels of 131I is the chance occurrence of radiogenic thyroid cancer in later life. Other risks include the possibility of non-cancerous growths and thyroiditis.
Patients receiving I-131Iodine-131 (131I), also called radioiodine (though many other radioactive isotopes of this element are known), is an important radioisotope of iodine. It has a radioactive decay half life of about eight days. Its uses are mostly medical and pharmaceutical. It also plays a role as a major radioactive hazard present in nuclear fission products, and was a significant contributor to the health effects from open-air atomic bomb testing in the 1950s, and from the Chernobyl disaster, as well as being a threatening presence today in the Japanese nuclear crisis.
Iodine in food is absorbed by the body and preferentially concentrated in the thyroid where it is needed for the functioning of that gland. When 131I is present in high levels in the environment from radioactive fallout, it can be absorbed through contaminated food, and will also accumulate in the thyroid. As it decays, it may cause damage to the thyroid. The primary risk from exposure to high levels of 131I is the chance occurrence of radiogenic thyroid cancer in later life. Other risks include the possibility of non-cancerous growths and thyroiditis.
Patients receiving I-131 radioiodine treatment are warned not to have sexual intercourse for one month (or shorter, depending on dose given), and women are told not to become pregnant for six months afterwards. "This is because a theoretical risk to a developing fetus exists, even though the amount of radioactivity retained may be small and there is no medical proof of an actual risk from radioiodine treatment. Such a precaution would essentially eliminate direct fetal exposure to radioactivity and markedly reduce the possibility of conception with sperm that might theoretically have been damaged by exposure to radioiodine." These guidelines vary from hospital to hospital and will depend also on the dose of radiation given. One also advises not to hug or hold children when the radiation is still high, and a one or two metre distance to others may be recommended. radioiodine treatment are warned not to have sexual intercourse for one month (or shorter, depending on dose given), and women are told not to become pregnant for six months afterwards. "This is because a theoretical risk to a developing fetus exists, even though the amount of radioactivity retained may be small and there is no medical proof of an actual risk from radioiodine treatment. Such a precaution would essentially eliminate direct fetal exposure to radioactivity and markedly reduce the possibility of conception with sperm that might theoretically have been damaged by exposure to radioiodine." These guidelines vary from hospital to hospital and will depend also on the dose of radiation given. One also advises not to hug or hold children when the radiation is still high, and a one or two metre distance to others may be recommended.
- I-132
- I-133
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- Plutonium
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PlutoniumPlutonium, like most metals, has a bright silvery appearance at first, much
like nickel, but it oxidizes very quickly to a dull gray, although yellow and
olive green are also reported.
It is also a radioactive poison that accumulates in bone marrow. These and other
properties make the handling of plutonium dangerous.
, like most metals, has a bright silvery appearance at first, much
like nickel, but it oxidizes very quickly to a dull gray, although yellow and
olive green are also reported.
It is also a radioactive poison that accumulates in bone marrow. These and other
properties make the handling of plutonium dangerous.
- Privilege
- A privilegeA privilege is defined as "a particular and peculiar benefit or advantage enjoyed by a person, company, or class, beyond the common advantages of other citizens; a particular right, advantage, exemption, power, franchise, or immunity held by a person or class not generally possessed by others; a temporary authority granted to you by someone of a higher authority". is defined as "a particular and peculiar benefit or advantage enjoyed by a person, company, or class, beyond the common advantages of other citizens; a particular right, advantage, exemption, power, franchise, or immunity held by a person or class not generally possessed by others; a temporary authority granted to you by someone of a higher authority".
- Sievert
- The sievertThe sievert (symbol: Sv) is the SI derived unit of dose equivalent radiation. It attempts to quantitatively evaluate the biological effects of ionizing radiation as opposed to the physical aspects, which are characterised by the absorbed dose, measured in gray.
It is named after Rolf Sievert, a Swedish medical physicist renowned for work on radiation dosage measurement and research into the biological effects of radiation.
The unit gray measures absorbed radiation which is absorbed into any material. The unit sievert specifically measures absorbed radiation which is absorbed by a person. The equivalent dose to a person is found by multiplying the absorbed dose, in gray, by a weighting factor (w). The weighting factor (sometimes referred to as a quality factor) is determined by a combination of: the radiation type, the tissue absorbing the radiation, and other pertinent factors.
(symbol: Sv) is the SI derived unit of dose equivalent radiation. It attempts to quantitatively evaluate the biological effects of ionizing radiation as opposed to the physical aspects, which are characterised by the absorbed dose, measured in gray.
It is named after Rolf Sievert, a Swedish medical physicist renowned for work on radiation dosage measurement and research into the biological effects of radiation.
The unit gray measures absorbed radiation which is absorbed into any material. The unit sievert specifically measures absorbed radiation which is absorbed by a person. The equivalent dose to a person is found by multiplying the absorbed dose, in gray, by a weighting factor (w). The weighting factor (sometimes referred to as a quality factor) is determined by a combination of: the radiation type, the tissue absorbing the radiation, and other pertinent factors.
- Sine Die
- (from the Latin "without day") means "without assigning a day for a further meeting or hearing" to adjourn an assembly sine die(from the Latin "without day") means "without assigning a day for a further meeting or hearing" to adjourn an assembly sine die is to adjourn it for an indefinite period. is to adjourn it for an indefinite period.
- TE-132
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- XE-133