Gray Donald M (54 results)
Language: English
Published by Better Homes & Gardens Books September 1980, 1980
- Hardcover
Seller: Colorado's Used Book Store, Englewood, CO, U.S.A.Colorado's Used Book Store
Contact seller4-star sellerCondition: Used - As new
£ 4.97
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Hardcover. Condition: Like New. No Jacket. Like New. May have some shelf wear from being out in store. All Orders Shipped With Tracking And Delivery Confirmation Numbers.
- Hardcover
Seller: World of Books (was SecondSale), Montgomery, IL, U.S.A.World of Books (was SecondSale)
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£ 8.73
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Condition: Very Good. Item in good condition. Textbooks may not include supplemental items i.e. CDs, access codes etc. Keith M. Gray (illustrator).
- Hardcover
Seller: ThriftBooks-Atlanta, AUSTELL, GA, U.S.A.ThriftBooks-Atlanta
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£ 8.74
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Hardcover. Condition: Very Good. No Jacket. May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less. Keith M. Gray (illustrator).
Language: English
Published by Water Information Center, Denver, Colorado, U.S.A., 1973
- Softcover
Seller: A Few Books More. . ., Billings, MT, U.S.A.A Few Books More. . .
Contact seller5-star sellerCondition: Used - Good
£ 15.28
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Soft cover. Condition: Good. No Jacket. 2nd Edition. fat 8vo, pages numbered by sections. 23 sections, 1.5 inches thick. Book has been out in the field, some water stain and soil, plus a little scraping to covers and edges only. Interior is clean, no underlining, notes. Corners thumbed. Weight just over two pounds.
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The National Geographic Magazine, Volume CXI, Number Four (April, 1957)
Grosvenor, Melville Bell (ed.); Kane, Harnett T.; Stewart, B. Anthony; Grosvenor, Gilbert; Marden, Luis; Mann, William M.; Sisson, R. F.; McBain, Donald; Platt, Rutherford; Gray, Ralph; Bumstead, Newman
Published by National Geographic Society, Washington, 1957
- Softcover
Seller: Cat's Cradle Books, Archdale, NC, U.S.A.Cat's Cradle Books
Contact seller5-star sellerSoft Cover. Square, tight binding. Wraps are yellow and white with general soiling and light shelf wear. Pages clean, bright. Contents: Kane and Stewart, "Rome: Eternal City with a Modern Air"; Grosvenor, G. & Marden, "Hydrofoil Ferry 'Flies' the Strait of Messina"; Mann, Sisson & McBain, "The Wild Animals in My Life"; Platt, "A… Visit to the Living Ice Age"; Gray, "Three Roads to Rainbow"; Bumstead, "Rockets Explore the Air Above Us." Back of wraps displays a Coca-Cola ad, "When you come to Hawaii.," with art in color by Jack Potter (1927-2008). 10.0" tall. Very Good in No Dust Jacket dust jacket. Illustrated by Jack Potter (Coca Cola ad on back o (illustrator).
How to Try to Find an Oil Field
Doris M. Curtis; Patricia Wood Dickerson; Donald M. Gray; Helen M. Klein
- Hardcover
Seller: ThriftBooks-Dallas, Dallas, TX, U.S.A.ThriftBooks-Dallas
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£ 23.24
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Hardcover. Condition: Good. No Jacket. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less.
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Published by USGS, Washington, D.C., 1992
Seller: Crossroads Books, Reno, NV, U.S.A.Crossroads Books
Contact seller5-star sellerAssociation member: IOBA
Encompassing about 21,000 km in southwestern Arizona, the Ajo an Lukeville 1º by 2º quadrangles have been the subject of mineral resource investigations utilizing field and laboratory studies in the disciplines of geology, geochemistry, geophysics, and Landsat imagery. DH4. stapled binding, 11" Tall, cover clean, 27 pages.
- Hardcover
- First Edition
Seller: PEND BOOKS, Newton Stewart, United KingdomPEND BOOKS
Contact seller4-star sellerCondition: Used - Very good
£ 4.00
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Cloth. Condition: Very Good. Dust Jacket Condition: Very Good. First Edition. 289pp. How to treat yourself at home and how to make the best of your GP's time . Dj slightly faded to spine.
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Language: French
Published by Comité National Canadien, Ottawa, Ontario, Canada, 1972
- Hardcover
- First Edition
Seller: MisterSeekersBook.Store, Edmonton, AB, CanadaMisterSeekersBook.Store
Contact seller5-star sellerCondition: Used - Very good
£ 39.69
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Add to basketHardcover. Condition: Very Good. 1st Edition. In Very Good Used Condition. May Have Minor Shelf Wear To Edges. For More Information On Condition. Please See All Photos. ~ En Très Bon État D'usage. Peut Avoir Une Usure Mineure De L'étagère Sur Les Bords. Pour Plus D'informations Sur L'état. Veuillez Voir Toutes Les Photos. Heavy…Item - No Additional Shipping Charges. Vintage 1972.
How to Try to Find an Oil Field
Doris M. Curtis; Patricia Wood Dickerson; Donald M. Gray; Helen M. Klein
- Hardcover
Seller: SHIMEDIA, Brooklyn, NY, U.S.A.SHIMEDIA
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£ 76.38
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Condition: New. Satisfaction Guaranteed or your money back.
Published by Water Information Center, Plainview
- Softcover
Seller: Burton Lysecki Books, ABAC/ILAB, Winnipeg, MB, CanadaBurton Lysecki Books, ABAC/ILAB
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£ 36.10
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[0-912394-07-2] 1973. (Oversize paperback) Very good. Maps, graphs, tables, bibliography, index. Locale: Canada. (Science, Hydrology).
- Softcover
Seller: PBShop.store UK, Fairford, GLOS, United KingdomPBShop.store UK
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£ 122.76
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PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000.
- Softcover
Seller: GreatBookPrices, Columbia, MD, U.S.A.GreatBookPrices
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£ 127.49
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Condition: New.
- Softcover
Seller: PBShop.store US, Wood Dale, IL, U.S.A.PBShop.store US
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£ 129.52
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PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000.
- Softcover
Seller: PBShop.store US, Wood Dale, IL, U.S.A.PBShop.store US
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PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000.
- Softcover
Seller: PBShop.store UK, Fairford, GLOS, United KingdomPBShop.store UK
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PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000.
- Softcover
Seller: GreatBookPricesUK, Woodford Green, United KingdomGreatBookPricesUK
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£ 122.75
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Condition: New.
- Softcover
Seller: GreatBookPrices, Columbia, MD, U.S.A.GreatBookPrices
Contact seller5-star sellerCondition: Used - As new
£ 141.76
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Condition: As New. Unread book in perfect condition.
- Softcover
Seller: Brook Bookstore On Demand, Napoli, NA, ItalyBrook Bookstore On Demand
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£ 145.19
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Condition: new.
- Softcover
Seller: Ria Christie Collections, Uxbridge, United KingdomRia Christie Collections
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£ 134.65
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Condition: New. In.
- Softcover
Seller: Grand Eagle Retail, Bensenville, IL, U.S.A.Grand Eagle Retail
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£ 154.02
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Paperback. Condition: new. Paperback. The purpose of this research was to evaluate and compare various thermophilic anaerobic digestion processes for meeting U.S. EPA biosolids Class A pathogen standards. The project was split into three phases. Phase 1 screened three bench-scale thermophilic anaerobic process configurations at…three different thermophilic temperatures based on their fecal coliform destruction efficiency. All three of the thermophilic process configurations tested were capable of achieving the Class A fecal coliform standard and were included in Phase 2. In Phase 2, bench-scale anaerobic digesters were fed primary sludge seeded with E.coli, helminth ova, poliovirus, and Salmonella to evaluate pathogen destruction. Two process configurations, the thermophilic single-stage and the two-stage mesophilic acid-phase/thermophilic methane-phase system, met Class A requirements at 50oC. In Phase 3, the single-stage thermophilic anaerobic digestion process was compared to the single-stage mesophilic process at full scale (1.5-MG digesters) based on fecal coliform and pathogen destruction, process performance, digested sludge dewaterability, and odor generation.Pathogen destruction and process performance comparisons of the various process configurations are presented for each phase of the study. Based on the fecal coliform data presented here, an empirical model was developed for quantitatively comparing multiple stage and single-stage thermophilic anaerobic digester performance. The model demonstrates that various combinations of thermophilic temperatures, staging, and residence times can achieve the Class A fecal coliform requirement. This study also suggests that anaerobic digesters operating in the lower thermophilic temperature range (approximately 50degreeC) are not only capable of achieving Class A requirements but may also produce digested sludges with less odor and lower volatile solids than digesters operating at higher thermophilic temperatures. The purpose of this research was to evaluate and compare various thermophilic anaerobic digestion processes for meeting U.S. EPA biosolids Class A pathogen standards. The project was split into three phases. Phase 1 screened three bench-scale thermophilic anaerobic process configurations at three different thermophilic temperatures based on their fecal coliform destruction efficiency. All three of the thermophilic process configurations tested were capable of achieving the Class A fecal coliform standard and were included in Phase 2. In Phase 2, bench-scale anaerobic digesters were fed primary sludge seeded with E.coli, helminth ova, poliovirus, and Salmonella to evaluate pathogen destruction. Two process configurations, the thermophilic single-stage and the two-stage mesophilic acid-phase/thermophilic methane-phase system, met Class A requirements at 50oC. In Phase 3, the single-stage thermophilic anaerobic digestion process was compared to the single-stage mesophilic process at full scale (1.5-MG digesters) based on fecal coliform and pathogen destruction, process performance, digested sludge dewaterability, and odor generation. Pathogen destruction and process performance comparisons of the various process configurations are presented for each phase of the study. Based on the fecal coliform data presented here, an empirical model was developed for quantitatively comparing multiple stage and single-stage thermophilic anaerobic digester performance. The model demonstrates that various combinations of thermophilic temperatures, staging, and residence times can achieve the Class A fecal coliform requirement. This study also suggests that anaerobic digesters operating in the lower thermophilic temperature range (approximately 50A0C) are not only capable of achieving Class A requirements but may also produce digested sludges with less odor and lower volatile solids than digesters operating at higher Shipping may be from multiple locations in the US or from the UK, depending on stock availability.
- Softcover
Seller: Grand Eagle Retail, Bensenville, IL, U.S.A.Grand Eagle Retail
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Paperback. Condition: new. Paperback. Successful operation of the activated sludge process relies heavily on the ability to effectively separate mixed liquor into return activated sludge (RAS) and a high quality final effluent. Solids separation efficiency is dictated in large part by the relative population of floc-forming and…filamentous microorganisms present in the activated sludge. During normal operation, mixed liquor will be composed primarily of floc-formers with relatively low levels of filamentous organisms. Some population of filamentous organisms is necessary to promote the formation of larger flocs and prevent development of a "pin-floc" condition, which often results in high effluent turbidities (Jenkins, 2004). However, when conditions favoring the growth of filaments over floc-formers occur, a condition commonly referred to as filamentous "bulking" may occur. Successful operation of the activated sludge process relies heavily on the ability to effectively separate mixed liquor into return activated sludge (RAS) and a high quality final effluent. Solids separation efficiency is dictated in large part by the relative population of floc-forming and filamentous microorganisms present in the activated sludge. During normal operation, mixed liquor will be composed primarily of floc-formers with relatively low levels of filamentous organisms. Some population of filamentous organisms is necessary to promote the formation of larger flocs and prevent development of a "pin-floc" condition, which often results in high effluent turbidities (Jenkins, 2004). However, when conditions favoring the growth of filaments over floc-formers occur, a condition commonly referred to as filamentous "bulking" may occur. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.
Develop and Demonstrate Fundamental Basis for Selectors to Improve Activated Sludge Settleability
Gray Donald M. D. De Lange Vincent P. Gray (Gabb) Donald M. D.
- Softcover
Seller: Majestic Books, Hounslow, United KingdomMajestic Books
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£ 150.01
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Condition: New. pp. 220 Illus.
- Softcover
Seller: Majestic Books, Hounslow, United KingdomMajestic Books
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Condition: New. pp. 196 6:B&W 8.25 x 11 in or 280 x 210 mm Perfect Bound on White w/Gloss Lam.
- Softcover
Seller: GreatBookPricesUK, Woodford Green, United KingdomGreatBookPricesUK
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£ 138.78
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Condition: As New. Unread book in perfect condition.
- Softcover
Seller: Rarewaves USA, OSWEGO, IL, U.S.A.Rarewaves USA
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£ 162.19
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Paperback. Condition: New. The purpose of this research was to evaluate and compare various thermophilic anaerobic digestion processes for meeting U.S. EPA biosolids Class A pathogen standards. The project was split into three phases. Phase 1 screened three bench-scale thermophilic anaerobic process configurations at three diff…erent thermophilic temperatures based on their fecal coliform destruction efficiency. All three of the thermophilic process configurations tested were capable of achieving the Class A fecal coliform standard and were included in Phase 2. In Phase 2, bench-scale anaerobic digesters were fed primary sludge seeded with E.coli, helminth ova, poliovirus, and Salmonella to evaluate pathogen destruction. Two process configurations, the thermophilic single-stage and the two-stage mesophilic acid-phase/thermophilic methane-phase system, met Class A requirements at 50oC. In Phase 3, the single-stage thermophilic anaerobic digestion process was compared to the single-stage mesophilic process at full scale (1.5-MG digesters) based on fecal coliform and pathogen destruction, process performance, digested sludge dewaterability, and odor generation. Pathogen destruction and process performance comparisons of the various process configurations are presented for each phase of the study. Based on the fecal coliform data presented here, an empirical model was developed for quantitatively comparing multiple stage and single-stage thermophilic anaerobic digester performance. The model demonstrates that various combinations of thermophilic temperatures, staging, and residence times can achieve the Class A fecal coliform requirement. This study also suggests that anaerobic digesters operating in the lower thermophilic temperature range (approximately 50?C) are not only capable of achieving Class A requirements but may also produce digested sludges with less odor and lower volatile solids than digesters operating at higher thermophilic temperatures.
- Softcover
Seller: Books Puddle, New York, NY, U.S.A.Books Puddle
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Condition: New. pp. 196.
- Softcover
Seller: Rarewaves USA, OSWEGO, IL, U.S.A.Rarewaves USA
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£ 162.55
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Paperback. Condition: New. Successful operation of the activated sludge process relies heavily on the ability to effectively separate mixed liquor into return activated sludge (RAS) and a high quality final effluent. Solids separation efficiency is dictated in large part by the relative population of floc-forming and filamentous… microorganisms present in the activated sludge. During normal operation, mixed liquor will be composed primarily of floc-formers with relatively low levels of filamentous organisms. Some population of filamentous organisms is necessary to promote the formation of larger flocs and prevent development of a "pin-floc" condition, which often results in high effluent turbidities (Jenkins, 2004). However, when conditions favoring the growth of filaments over floc-formers occur, a condition commonly referred to as filamentous "bulking" may occur.
- Softcover
Seller: Kennys Bookshop and Art Galleries Ltd., Galway, GY, IrelandKennys Bookshop and Art Galleries Ltd.
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£ 156.81
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Condition: New. 2007. paperback. . . . . .
- Softcover
Seller: Kennys Bookshop and Art Galleries Ltd., Galway, GY, IrelandKennys Bookshop and Art Galleries Ltd.
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£ 156.95
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Condition: New. 2004. paperback. . . . . .
