作者: Explosive 時(shí)間: 2025-3-21 20:43
Geld und Güter im Realsozialismusurrent and partially entrapped in the anticyclonic eddies. The CIL waters are identified by core temperatures of about 6.5 °C in the Bosphorus exit region and 7.0–7.2 °C in the southeastern part of the Black Sea. The Mediterranean underflow, crossing the the southwestern Black Sea shelf region, is s作者: Embolic-Stroke 時(shí)間: 2025-3-22 03:26 作者: 籠子 時(shí)間: 2025-3-22 06:31
Lehrmittelpolitische Subsistenzwirtschaft the transmissometer peaks. These observations could be explained by mobilization of Mn from shallow coastal sediments, a process which may greatly be enhanced by internal waves warping the pycnocline near the coast and operating a “manganese pump”. Macroflocs, present at concentrations between 0.8 作者: 苦惱 時(shí)間: 2025-3-22 10:22 作者: nonchalance 時(shí)間: 2025-3-22 13:34 作者: 脆弱帶來 時(shí)間: 2025-3-22 18:25 作者: inferno 時(shí)間: 2025-3-22 23:26
,Organisation und F?rderung des Lernens,nd returns to the dissolved pool, thus limiting net export and increasing the apparent residence time of Ru. Relatively high deep water .Ru inventories (50% of total) suggest that a substantial fraction of the .Ru transient tracer reaches the deep waters as a pulse shortly after delivery. This is an作者: Maximize 時(shí)間: 2025-3-23 04:54 作者: FEAT 時(shí)間: 2025-3-23 05:53 作者: 食料 時(shí)間: 2025-3-23 12:33
On the Dynamics of the Southern Black Sea,urrent and partially entrapped in the anticyclonic eddies. The CIL waters are identified by core temperatures of about 6.5 °C in the Bosphorus exit region and 7.0–7.2 °C in the southeastern part of the Black Sea. The Mediterranean underflow, crossing the the southwestern Black Sea shelf region, is s作者: Affectation 時(shí)間: 2025-3-23 14:42
Factors Affecting the Oxygen Isotopic Composition of the Black Sea,orus. However, the oxygen isotopic composition of the upper layer continues to change slowly over a period of 1000 years, the time needed for the lower portion of the Black Sea to approach a steady state isotopic composition. The model further predicts that the oxygen isotopic composition is relativ作者: 熱心助人 時(shí)間: 2025-3-23 19:07
Geochemical and Structural Aspects of the Pycnocline in the Black Sea (R/V KNORR 134-8 LEG 1, 1988) the transmissometer peaks. These observations could be explained by mobilization of Mn from shallow coastal sediments, a process which may greatly be enhanced by internal waves warping the pycnocline near the coast and operating a “manganese pump”. Macroflocs, present at concentrations between 0.8 作者: CYT 時(shí)間: 2025-3-23 23:55
Potential for Manganese(II) Oxidation and Manganese(IV) Reduction to Co-Occur in the Suboxic Zone oer prefiltered to remove the bacteria or exposed to oxygen, suggesting Mn(IV) reduction is mediated by both dissolved chemical constituents and microbial activity. The inhibition of Mn(IV) reduction by oxygen could largely be accounted for by the activities of Mn(II) oxidizing bacteria. These experi作者: Outspoken 時(shí)間: 2025-3-24 02:41
Sulfur and Iodine Speciation in the Water Column of the Black Sea, of water in the Black Sea. These zones in the western and central basins are (1) the oxic [0 – 65 m], (2) the anoxic and non-sulfidic [65 – 100 m] and (3) the sulfidic [> 100 m]..Thiosulfate and sulfite were below our minimum detectable limit (MDL) of 50 nM using CSSWV. Elemental sulfur (MDL 5 nM) 作者: Chameleon 時(shí)間: 2025-3-24 07:27
The Oxidation of H2S with O2 in the Black Sea, formation of MHS. ion pairs that have a higher (PbHS., CuHS., CdHS., MnHS.) or lower (ZnHS.) rate of oxidation than HS.. Only Fe. and Mn. have concentrations high enough to be effective in influencing the rate of oxidation of H.S in anoxic waters and sediments. The effect of Fe. on the rate of oxid作者: 龍卷風(fēng) 時(shí)間: 2025-3-24 13:09
Ruthenium-106 in the Black Sea,nd returns to the dissolved pool, thus limiting net export and increasing the apparent residence time of Ru. Relatively high deep water .Ru inventories (50% of total) suggest that a substantial fraction of the .Ru transient tracer reaches the deep waters as a pulse shortly after delivery. This is an作者: Granular 時(shí)間: 2025-3-24 17:45
Biogenic Aggregate Sedimentation in the Black Sea Basin,ly incorporated into the sediments. The high carbonate content of the pellets (40–60%) coupled with their abundance in the sediments, suggests that they play a significant role in the deposition of the white, coccolith-rich laminae of Black Sea Unit 1 sediments. Numerous intact diatom frustules and 作者: ingrate 時(shí)間: 2025-3-24 20:33 作者: 數(shù)量 時(shí)間: 2025-3-25 03:05 作者: resilience 時(shí)間: 2025-3-25 06:52 作者: BRIDE 時(shí)間: 2025-3-25 08:37 作者: BLAND 時(shí)間: 2025-3-25 13:44
Geochemical and Structural Aspects of the Pycnocline in the Black Sea (R/V KNORR 134-8 LEG 1, 1988)er water column in the Black Sea. Insitu TV inspection allowed us to discern - from top to bottom - three macrofauna zones in the oxygenated layer above the pycnocline: the . zone, the . zone and (existing only in coastal waters) the . zone. At a density of 16.1 to 16.4 ∑Θ a layer is present consist作者: CHURL 時(shí)間: 2025-3-25 19:03 作者: 大門在匯總 時(shí)間: 2025-3-25 21:08 作者: RENAL 時(shí)間: 2025-3-26 02:30 作者: PAC 時(shí)間: 2025-3-26 05:08
Potential for Manganese(II) Oxidation and Manganese(IV) Reduction to Co-Occur in the Suboxic Zone ong leg 3 of the US-Turkey Black Sea Expedition in June 1988. A strong potential for both microbial Mn(II) oxidation and microbial Mn(IV) reduction was measured by radioactive incubation experiments and enrichment culture techniques, throughout the suboxic zone. Rates of .Mn(II) precipitation and .Mn作者: packet 時(shí)間: 2025-3-26 10:05 作者: Stress-Fracture 時(shí)間: 2025-3-26 16:33
The Oxidation of H2S with O2 in the Black Sea,n rates were found to be ten times faster than the rates for surface seawater (Black Sea and Gulf Stream) with added H.S. Since the rates were the same for filtered (0.2 .m) and unfiltered waters, the increase in the rates appears to be abiotic and caused by dissolved solutes. To determine if this i作者: 敏捷 時(shí)間: 2025-3-26 18:43
Ruthenium-106 in the Black Sea,on in the activity distributions of these two tracers. Ruthenium-106 is found at depths below the Chernobyl .Cs, indicating that .Ru is removed via particle scavenging processes, unlike the Cs isotopes which serve primarily as tracers of physical mixing. In 1988, more detailed measurements at depths作者: hematuria 時(shí)間: 2025-3-27 00:16 作者: itinerary 時(shí)間: 2025-3-27 01:13 作者: 沉著 時(shí)間: 2025-3-27 08:18 作者: BILE 時(shí)間: 2025-3-27 12:19
On the Sulfur and Carbon Balances in the Black Sea,mental radioisotope measurements of sulfate reduction rates in the water column and sediments..Most of the dissolved H.S in the Black Sea is produced in the water column at the hydrogen- and oxygen-water interface. Total H.S production in the deep part of the sea is 84 gS m. y., with 63 gC m. y. bei作者: magnanimity 時(shí)間: 2025-3-27 14:19 作者: ANN 時(shí)間: 2025-3-27 20:08 作者: Torrid 時(shí)間: 2025-3-27 22:30
Nato Science Series C:http://image.papertrans.cn/b/image/188983.jpg作者: 獎(jiǎng)牌 時(shí)間: 2025-3-28 03:08
Tilman Heisterhagen,Rainer-W. Hoffmanntific attention. The destabilizing effects of the cooling near the surface and the influx of geothermal heat at the bottom combined with the stable salinity gradients provide an environment suitable for double-diffusion in the water column. The hydrographic data do not provide any evidence for the r作者: frivolous 時(shí)間: 2025-3-28 07:39
Geld und Güter im Realsozialismus described on the basis of hydrographic data collected during 1987–1989 surveys of the R/V Bilim. The regional circulation was found to consist of a meandering rim current conforming mainly on the topographic slope and a series of anticyclonic eddies attached to the shelf break. The eddies, observed作者: reptile 時(shí)間: 2025-3-28 11:38 作者: 擴(kuò)大 時(shí)間: 2025-3-28 17:47 作者: TIGER 時(shí)間: 2025-3-28 22:10 作者: 不幸的人 時(shí)間: 2025-3-29 01:04 作者: deceive 時(shí)間: 2025-3-29 03:35 作者: 隨意 時(shí)間: 2025-3-29 08:20
https://doi.org/10.1007/978-3-322-83826-1ember 1984. Sampling from the surface down to 2100 m was carried out. Suspended matter was collected and analysed. It was found that elements which form strong sulphide complexes show significantly lower concentration in the anoxic zone. A simple scavenging mechanism based on adsorption of sulphides作者: debunk 時(shí)間: 2025-3-29 12:54 作者: legacy 時(shí)間: 2025-3-29 17:50
https://doi.org/10.1007/978-3-322-97422-8lack Sea waters. The only reduced dissolved inorganic sulfur species detected in the water column was hydrogen sulfide. The minimum detectable limit for sulfide analysis is 0.1 nM using a cathodic stripping square wave voltammetry (CSSWV) method. Thus, the precise boundary between the “free” hydroge作者: AXIS 時(shí)間: 2025-3-29 20:01
Lernkontrollen und Beurteilungen,n rates were found to be ten times faster than the rates for surface seawater (Black Sea and Gulf Stream) with added H.S. Since the rates were the same for filtered (0.2 .m) and unfiltered waters, the increase in the rates appears to be abiotic and caused by dissolved solutes. To determine if this i作者: Engaged 時(shí)間: 2025-3-30 00:42
,Organisation und F?rderung des Lernens,on in the activity distributions of these two tracers. Ruthenium-106 is found at depths below the Chernobyl .Cs, indicating that .Ru is removed via particle scavenging processes, unlike the Cs isotopes which serve primarily as tracers of physical mixing. In 1988, more detailed measurements at depths作者: Enrage 時(shí)間: 2025-3-30 07:58 作者: jovial 時(shí)間: 2025-3-30 10:29
Kontrastive Linguistik und Sequenzierung,adionuclides as well as natural radionuclides belonging to the U and Th decay series in a series of sediment cores from the Black Sea in July 1988. Some of the cores had a high porosity or “fluff” layer several cm thick on the top which contained substantial activities of natural and Chernobyl radio作者: 開始沒有 時(shí)間: 2025-3-30 15:34
https://doi.org/10.1007/978-3-658-10998-1rface sediment composition was determined by geochemical and microscopic analyses on the sand to fine silt/clay-sized fractions of samples from the surface “fluff” or flocculent layer and on the underlying 2 cm of sediment obtained in box cores. Zooplankton fecal pellet aggregates and aggregate frag作者: 松果 時(shí)間: 2025-3-30 16:55
Zusammenfassung, übersicht und Ausblickmental radioisotope measurements of sulfate reduction rates in the water column and sediments..Most of the dissolved H.S in the Black Sea is produced in the water column at the hydrogen- and oxygen-water interface. Total H.S production in the deep part of the sea is 84 gS m. y., with 63 gC m. y. bei作者: oxidize 時(shí)間: 2025-3-30 22:53 作者: 強(qiáng)壯 時(shí)間: 2025-3-31 01:54
1389-2185 Overview: 978-94-010-5152-1978-94-011-2608-3Series ISSN 1389-2185 作者: LIMN 時(shí)間: 2025-3-31 06:10
Zusammenfassung, übersicht und AusblickBiochemical transformations catalyzed enzymatically by various metabolic types of microorganisms are discussed in connection with the specific projects to be studied during Leg 2 of the R/V KNORR Black Sea Cruise No. 134-9, May 1988.作者: 出價(jià) 時(shí)間: 2025-3-31 11:24 作者: auxiliary 時(shí)間: 2025-3-31 15:50 作者: 是貪求 時(shí)間: 2025-3-31 17:57
A Review of the General Food Web in the Black Sea,In this article, an attempt is made to briefly review the basic food web in the Black Sea. The emphasis is put primarily on the commercially important fish species, their distribution in the Black Sea and position in the food chain.作者: 冒失 時(shí)間: 2025-3-31 23:04 作者: 拒絕 時(shí)間: 2025-4-1 05:11
,Einführung in die Energietechnik,calculations were compared to the trace metal speciation measured using a unique ion-exchange chromatography column sequence designed to separate colloidal species, “inert” anionic metal complexes, and “free” metal cations. The possible role of Fe-sulfide precipitation in the scavenging of other trace metals is also addressed.
