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half-life
half-life
The Oxford Pocket Dictionary of Current English
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2009
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© The Oxford Pocket Dictionary of Current English 2009, originally published by Oxford University Press 2009. (Hide copyright information)
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half-life
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n.
the time taken for the radioactivity of a specified isotope to fall to half its original value.
∎
the time required for any specified property (e.g., the concentration of a substance in the body) to decrease by half.
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For Stephanopoulos, It's Officially 'Good Morning'
Transcript from: NPR All Things Considered; 12/10/2009; ; 700+ words
; ...the anchor's chair at the more prestigious "World News," a half hour show with an emphasis on hard news. Network morning shows...fashion to gossip to entertainment to domestic politics to home life. As former ABC news correspondent Judy Muller says, the morning...
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TRIBAL LAW AND ORDER:MARCUS LEVINGS
Transcript from: Congressional Testimony; 12/10/2009; 700+ words
; ...communities are shockingand unacceptable. Lives are at stake, and we have a duty to find...implement those solutions. For two and a half years,NCAI has worked in a bi-partisan...rate on Indian reservations is two and a half times thenational average, Indian women...
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Got (Good) Milk? Ask The Dairy Evangelist
Transcript from: NPR Morning Edition; 12/10/2009; ; 700+ words
; ...have 235 cows on 300 acres. They sell half their milk to Snowville Creamery, which...long-distance marketing and a long shelf life. Most importantly, Taylor says his milk...and let them do whatever, and produce half what they're doing today, but where...
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Garth Brooks Returns To The Stage
Transcript from: NPR All Things Considered; 12/11/2009; ; 700+ words
; ...weekend, he flies to Vegas for four shows. Mr. BROOKS: My life is not going to change for the next five years, except I'm...computers and a couple of phone lines, then waited for an hour and a half. Ms. TAMMY GUADAGNOLI: Yeah, I got the golden ticket...
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Move Over MacGyver, Other Shows Make Science Fun
Transcript from: NPR Morning Edition; 12/7/2009; ; 700+ words
; ...JAMIE HYNEMAN: I don't even think those things got up to half speed. Mr. ADAM SAVAGE: Well, why don't we survey the damage...I really wanted daily science that you encounter every day in life. And something that models asking questions. BLAIR: Now Sid...
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Saudis Flee Border Fighting With Yemen Rebels
Transcript from: NPR Morning Edition; 12/3/2009; ; 700+ words
; ...There's also a media trailer, equipped with computers and half a dozen TV screens. Inside, everyone is on message. We don...have been dealt with and it's just a matter of time before life goes back to normal. But after touring the camp late last month...
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SEN. HARRY REID, D-NEV., MAJORITY LEADER SEN. HARRY REID, D-NEV., DELIVERS REMARKS ON THE SENATE FLOOR OR NELSON AMENDMENT TO THE PATIENT PROTECTION AND AFFORDABLE CARE ACT
Transcript from: Washington Transcript Service; 12/8/2009; 700+ words
; ...My belief in the sanctity of life is why I have repeatedly votedagainst...Congressmen and Senators who arepro-life like I am, and those who are...all industrialized nations. Half of all pregnancies in America...other. In this case, a pro-life Democrat and a pro-choice...a bill that will affect the ...
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BREAST CANCER SCREENING RECOMMENDATIONS:NED CALONGE
Transcript from: Congressional Testimony; 12/2/2009; 700+ words
; ...Quality and to other federal government entities.Two and a half weeks ago, the Task Force published, in the Annals of InternalMedicine...physicians and academics and scientists who havededicated their lives to studying medical evidence. We are the husbandsor daughters...
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SEN. MIKE JOHANNS, R-NEB., SEN. MIKE JOHANNS, R-NEB., HOLDS A NEWS TELECONFERENCE
Transcript from: Washington Transcript Service; 12/3/2009; 700+ words
; ...facilities, and hospice programs. The half- trillion dollarsin cuts, just under...referral from-- or for a patient that lives 90 miles away. The drive time is threehours. To do the admission takes one and a half to two hours. Then youcome back to the...
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SESSIONS COMMMENTS ON LETTER TO NAVY REGARDING THE LITTORAL COMBAT SHIP
Transcript from: Capitol Hill Press Releases; 12/3/2009; 700+ words
; ...performanceof the ship and save American lives should not be discredited. A low- priceshootout...ships - technologythat could help save the lives of our men and women in uniform - are...differential between the two designs' life cyclecosts. We believe upfront acquisition...toproject force globally for ...
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SIC 2421 Sawmills and Planing Mills, General
Encyclopedia entry from: Encyclopedia of American Industries
...Saginaw River produced 14 million board feet during the first half of 1874 and employed 150 men. Circular saws replaced the old...repairing worn or broken teeth greatly extended their useful lives. Electric power began to replace steam power in the early twentieth...
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SIC 2891 Adhesives and Sealants
Encyclopedia entry from: Encyclopedia of American Industries
...The problem was that a sacrifice was usually made in shelf life, toughness, or curing flexibility; the development of these...industrial sectors, including appliance manufacturing. In the latter half of the 1990s, the sealants industry continued to suffer from...
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SIC 3915 Jewelers' Findings and Materials, and Lapidary Work
Encyclopedia entry from: Encyclopedia of American Industries
...shipments in 2000. Precious metal finding accounted for more than half of this total. Production in this industry is centered in New...grew in popularity. The interest in the possible healing and life-enhancing effects of various semiprecious stones and crystals...
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SIC 4493 Marinas
Encyclopedia entry from: Encyclopedia of American Industries
...marinas. Marinas are usually very small operations, with about half of marinas employing between five and nine workers, most of...development bonds, investment banking, pension funds, and life insurance companies. Full-service marinas have broad profit...
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SIC 5192 Books, Periodicals, and Newspapers
Encyclopedia entry from: Encyclopedia of American Industries
...and newspaper distributors tend to be small, with more than half of the 3,345 in operation in 2003 employing fewer than six...long-running publications—including Time Inc.'s Life, —ceasing publication, and some publishers, such...
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