J p d hull (4 Ergebnisse)
Verlag: Atlanta: Index Printing Company, 1918
Anbieter: Zubal-Books, Since 1961, Cleveland, OH, USAZubal-Books, Since 1961
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In den WarenkorbZustand: Good. *Price HAS BEEN REDUCED by 10% until Tuesday, Sept. 8 (holiday sale item)* first edition, [vii], 229 pp., illustrated, original cloth, minor library markings, else text clean & binding tight. - If you are reading this, this item is actually (physically) in our stock and ready for shipment once ordered. We are not…bookjackers. Buyer is responsible for any additional duties, taxes, or fees required by recipient's country.
Verlag: Geological Survey of Georgia Bulletin No. 35, 1919, 295 Pp., 1919
- Hardcover
Anbieter: Eryops Books, Stephenville, TX, USAEryops Books
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EUR 31,89
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In den WarenkorbHard Cover. Zustand: Good. No Jacket. Hardcover; ex-library; minor shelfwear w/ head and heel of spine and corners bumped; light wrinkling of a few leaves; light soiling of edges; o/w in good condition.
- Softcover
Anbieter: ConchBooks, Harxheim, DeutschlandConchBooks
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In den WarenkorbConcentration distributions of heavy metals and polycyclic aromatic hydrocarbons (PAHs) were determined in sediments taken in the Oyster Grounds. Average concentrations in fine fraction (<63 ?m) of the sediments of Cd, Cu, Hg, Pb, and Zn were 0.14, 21.8, 0.23, 49.2, and 118 ?g g?1, respectively. Average ?PAH concentration was 1.…82 ?g g?1. Vertical gradients within the sediment cores varied for all compounds and did not exhibit any one particular trend, probably because of bioturbation and extensive fishery in this highly productive area. A highly significant north to south trend appeared for Cd: average values increased from 0.06 ?g g?1 in the northern part to 0.42 ?g g?1 in the southern. Most of the PAHs showed an opposite gradient: average ?PAH values decreased from 2.53 ?g g?1 in the north to 1.24 ?g g?1 in the southern part of the Oyster Grounds. Heavy-metal levels in Oyster Ground sediments were 5 to 10 times lower than in other North Sea sedimentation areas (e.g. the Wadden Sea and the German Bight) and in the river Rhine. The yearly sediment deposition in the muddy part of the Oyster Grounds was used to calculate the yearly load of the various heavy metals and PAHs. It was estimated that less than 0.03 to 0.3% of the total heavy-metal input to the North Sea reaches the sediments of the Oyster Grounds. 5 pp., 4 figs, gr. 8.
- Softcover
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EUR 118,64
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Zustand: New. Volume 10 of Advances in Disease Vector Research consists of seven chapters on vectors that affect human or animal health and six chapters on plant pathogens and their vectors. In Chapter 1, Yasuo Chinzei and DeMar Taylor discuss hormonal regulation of vite.
