glycol
glycol , dihydric alcohol in which the two hydroxyl groups are bonded to different carbon atoms; the general formula for a glycol is (CH 2 ) n (OH) 2 . The most important glycol is the simplest, ethylene glycol, or 1,2-ethanediol, CH 2 OHCH 2 OH, a slightly sweet-tasting, somewhat viscous liquid that is miscible with water. Because of its low volatility (b.p. 197°C) and low corrosive activity, it is widely used in mixtures of automobile antifreeze . Ethylene glycol can be esterified to form polyesters, e.g., Dacron , and can be nitrated to form an explosive used in mining. It is prepared commercially by oxidation of ethylene at high temperature over a silver oxide catalyst, followed by acid-catalyzed hydrolysis of the ethylene oxide that is formed.
Cellosolves (e.g., methyl cellosolve, CH 3 OCH 2 CH 2 OH) are monoether derivatives of ethylene glycol. They are excellent solvents, having solvent properties of both ethers and alcohols; they have other uses as well. Polyethylene glycol (PEG) is used to thicken shampoo and cosmetics. It can also be attached to other molecules via a process called pegylation. When pegylated to medicinal drugs, it can alter their distribution in the body, metabolism, and excretion. Such alteration can lead to improved dosing intervals and may also have beneficial effects on safety and efficacy. Pegylation can also mask certain drugs, such as interferon, from the immune system, preventing their rejection.
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Smarandache mukti-squares (1).
Magazine article from: Scientia Magna; 1/1/2007; ; 700+ words
; ...composition table is a Latin square. There are squares in the Latin squares...themselves contain a Latin square. Such Latin squares are termed as Smarandache...Latin squares. These squares themselves contain a Latin square. We have termed such...
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Squares are hot again in decorating circles
Newspaper article from: The Milwaukee Journal Sentinel; 5/19/2002; ; 700+ words
; ...Ray (from $70 per square foot through Museo...colorful concentric squares radiating out from...Homage to the Square" series of paintings...beginning in 1949. Squares are making a mark...You can't put a square peg in a round hole...flooring, circles in squares are all the rage...
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Squares and rectangles.(DISCOVERY)
Magazine article from: Australian Mathematics Teacher; 6/22/2006; ; 700+ words
; ...Instead of building a square from rectangles...considered whereby nine squares 1 x 1, 4 x 4, 7...Figure 2 shows a square cut up into 15 smaller squares with no other shape...containing 9 small squares inside a large square. [FIGURE 4 OMITTED...
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Square Enix Delivers Games to PC Users Via Steam.
PR Newswire; 2/24/2009; 700+ words
; ...beginning April 9, 2009 LOS ANGELES, Feb. 24 /PRNewswire/ -- Square Enix, Inc., the publisher of Square Enix(R) interactive entertainment products in North America (Square Enix), and Valve Corporation (Valve), a developer of leading...
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Square Enix Announces New US Organization.
PR Newswire; 7/1/2004; 700+ words
; ...LOS ANGELES, July 1 /PRNewswire/ -- Square Enix Co., Ltd., a leading developer...several changes to their US organization. Square Enix U.S.A., Inc., which has offices...and Seattle, WA, will now be called Square Enix, Inc. This change is a part of...
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Magic squares from primary classroom to postgraduate research in 10 simple exercises: Tim Roberts invites students and their teachers to engage with the mathematics of magic squares.
Magazine article from: Australian Primary Mathematics Classroom; 12/22/2007; ; 700+ words
; ...shown that 5 must always go in the centre square. Larger magic squares are possible. A 4 by 4 magic square is illustrated in Figure 5. Of course...FIGURE 11 OMITTED] Magic 3 by 3 square of squares We have done nothing very advanced so...
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Square Enix, Inc. and Gas Powered Games Announce Strategic Partnership.
PR Newswire Europe; 11/12/2008; 700+ words
; ...Real-Time Strategy Game Supreme Commander 2 Square Enix Ltd., the publisher of Square Enix(R) interactive entertainment products in Europe and other PAL territories (Square Enix), today announces that Square Enix, Inc...
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Square foot pricing gains momentum. (Floor Covering)
Magazine article from: HFN The Weekly Newspaper for the Home Furnishing Network; 3/16/1998; ; 700+ words
; ...new system, which measures and prices carpet by square feet rather than square yards. The CRI's board voted more than a year...only flooring category that defined its products in square yards. "By the end of April, all the large mills...
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Square Enix Ships Musashi: Samurai Legend to Retailers March 15, 2005; Musashi Hacks and Slashes onto the Playstation 2 Computer Entertainment System and Mobile Phones.
Business Wire; 2/1/2005; 700+ words
; LOS ANGELES -- Square Enix, Inc., the publisher of Square Enix(TM) interactive entertainment products in North...these games," said Ichiro Otobe, president and COO of Square Enix, Inc. "Our North American fans are really important...
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 "Post-Tribune (IN)")
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SQUARE DANCING AN ENJOYABLE ACTIVITY FOR ALL AGES, ABILITY LEVELS
Newspaper article from: Post-Tribune (IN); 8/26/1999; 700+ words
; ...Jerry and Sandy Bunker love square dancing. THIS ELECTRONIC VERSION...of Hebron is with Wrong Way Squares square-dancing club. As it nears...message. We are probably out square dancing. Wrong Way Squares dance lessons start Thursday...
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square
Book article from: The Oxford Pocket Dictionary of Current English
...behavior. 5. inf. a square meal: three squares a day. • adj...of a planet) have a square aspect with (another...or position): Saturn squares the Sun on the 17th. PHRASES: back to (or at ) square one inf. back to where...
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square rig
Book article from: The Oxford Companion to Ships and the Sea
square rig, a term that refers essentially to the use of square-cornered sails, usually approximately rectangular...of war, commerce, and exploration. Vessels setting square sails are known from the earliest depictions of ships...
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Blue Square Israel Ltd.
Book article from: International Directory of Company Histories
Blue Square Israel Ltd. 2 Amal Street Afek ind, zone...site: Public Subsidiary of Co-Op Blue Square Consumer Cooperative Society Incorporated...Convenience)Stores Israeli retail leader Blue Square Israel Ltd. is helping to change the way...
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Chi-Square Test
Encyclopedia entry from: Encyclopedia of Public Health
CHI-SQUARE TEST Studies often collect data on categorical...defined by these two variables. The chi-square test statistic can be used to evaluate...Returning to our example, the chi-square statistic could be used to test whether...
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Red Square
Encyclopedia entry from: Encyclopedia of Russian History
RED SQUARE Red Square, like the Moscow Kremlin on which it borders, is one of the best known...military parades, aggressive rhetoric, and the Lenin mausoleum, Red Square came to symbolize Soviet power from 1918 until the demise of the Soviet...
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