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arch
arching
arching 1. In an underground
excavation, a small inward movement of the sides, roof, and floor of the cavity caused by
in situ stress around the excavation. This reduces the permeability of the rock in the immediate vicinity of the excavation.
2. Masonry or steel support in underground workings.
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Arch Chemicals Expanding and Consolidating Chinese Operations Under Arch International Trading -Shanghai- Co., Ltd.
Business Wire; 8/28/2003; 700+ words
; ...Conn.--(BUSINESS WIRE)--Aug. 28, 2003 Arch Chemicals, Inc., (NYSE: ARJ) a global specialty...strengthening its presence in China by consolidating existing Arch offices under Arch International Trading (Shanghai) Co., Ltd. The...
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Arch Coal to spin off large W.Va. operations
Newspaper article from: Charleston Gazette; 8/10/2005; ; 700+ words
; kward@wvgazette.com Arch Coal Inc. announced Tuesday that it is...publicly traded company being formed by Arch Coal and the Boston investment firm ArcLight...disclosures. "We are enthusiastic about Arch and ArcLight combining reserves and mining...
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 "Courier News (Elgin, IL)")
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Arch Madness:
Newspaper article from: Courier News (Elgin, IL); 4/4/2005; ; 700+ words
; ...engineering behind the Arch: [] The Arch was built to such detail that...by the sun's rays. [] The Arch is a catenary curve, the shape...the most structurally-sound of arches. [] The span of the Arch legs at ground level is 630 feet...
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Arch Communications and MobileMedia in Negotiations For Merger
PR Newswire; 8/19/1998; 700+ words
; ...N.J., Aug. 19 /PRNewswire/ -- Arch Communications Group, Inc. (Nasdaq...regarding a definitive merger agreement for Arch to acquire MobileMedia in a transaction...transaction, if consummated, would combine Arch's extensive nationwide presence in small...
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Arch Introduces Two-Way Messaging Service.
PR Newswire; 7/10/2000; 700+ words
; Arch Webster(TM) 100 Service Provides Wireless...Messaging Nationwide; First in New Line of Arch Messaging Services Uses Motorola's T900...WESTBOROUGH, Mass., July 10 /PRNewswire/ -- Arch Communications Group, Inc. (Nasdaq: APGR...
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Arch Two-Way Wireless Service to Be Carried by Lowe's Stores.
PR Newswire; 10/4/2000; 700+ words
; ...Second Largest Home Improvement Retailer to Offer Arch Webster(TM) 100 Service Through Stores Nationwide WESTBOROUGH, Mass., Oct. 4 /PRNewswire/ -- Arch Wireless, Inc. (Nasdaq: ARCH), one of the leading wireless Internet messaging...
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Arch in Utah national park called world's biggest
News Wire article from: AP Online; 5/19/2009; ; 700+ words
; ...What's the longest natural arch in the world? The answer, they say, is Landscape Arch in Arches National Park in southeastern...Landscape and Kolob, other arches on the group's top 10 list are Aloba Arch in the Sahara Desert; Wrather...
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Arch, Glenayre at odds over network upgrade agreement.
Magazine article from: RCR Wireless News; 8/20/2001; ; 700+ words
; ...major network-upgrade contract between Arch Wireless Inc., the nation's largest...reconciliation may be hard fought. According to Arch's 10Q financial statement filed with the Securities and Exchange Commission, Arch and Glenayre signed an agreement in March...
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Arch Wireless Provides Update on U.S. Department of Justice Review of Proposed Merger with Metrocall.
PR Newswire; 11/5/2004; 700+ words
; Arch Appoints Interim Management Pending Merger; Arch Also Appoints Replacement Director for USA Mobility Board Subject to Merger Completion Arch Wireless, Inc. , a leading wireless messaging and mobile...
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Arch Wireless Announces Filing of Preliminary Joint Proxy Statement/Prospectus for Proposed Merger with Metrocall.
PR Newswire; 5/24/2004; 700+ words
; Arch Wireless, Inc. today announced that, on...proposed business combination transaction between Arch and Metrocall Holdings, Inc., Wizards...preliminary joint proxy statement/prospectus of Arch and Metrocall. In addition, Wizards-Patriots...
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arch
Book article from: A Dictionary of Architecture and Landscape Architecture
...horizontal plane from which an arch begins to rise.Types of arches include:acute arch: see lancet -arch;anse de panier...compound arch: Order or recessed arch consisting of several concentric arches with vertical supports, successively...
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Arch Wireless, Inc.
Book article from: International Directory of Company Histories
Arch Wireless, Inc. 1800 West Park Drive, Suite...site: Public Company Incorporated: 1986 as Arch Communications Group Inc. Employees: 9...Stock Exchanges: NASDAQ Ticker Symbol: ARCH NAIC: 513321 Paging; 513322 Cellular and...
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triumphal arch
Book article from: A Dictionary of Architecture and Landscape Architecture
...building containing a large arch flanked by two smaller and lower arches (e.g. Arch of Septimius Severus, Rome...width of the Attic. Other arches of the three-arched type include the ‘Arch of Tiberius’...
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Arch Mineral Corporation
Book article from: International Directory of Company Histories
Arch Mineral Corporation City Place 1 St. Louis...1222 Bituminous Coal — Underground Arch Mineral Corporation is a private coal company...Virginia, West Virginia, and Kentucky. Arch was founded in 1969 by Merl Kelce, with backing...
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aortic arches
Book article from: A Dictionary of Biology
...the anterior end. In adult tetrapods arches I and II are lost, III gives rise...and mammals) becomes the systemic arch supplying the trunk and limbs, V is...artery ). In adult fish four to six arches persist as branchial arteries supplying...
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