標(biāo)題: Titlebook: UV Radiation and Arctic Ecosystems; Dag O. Hessen Book 2002 Springer-Verlag Berlin Heidelberg 2002 Arctic.Arktis.Ozonloch.Sea ice.UV radia [打印本頁] 作者: 使無罪 時間: 2025-3-21 18:21
書目名稱UV Radiation and Arctic Ecosystems影響因子(影響力)
書目名稱UV Radiation and Arctic Ecosystems影響因子(影響力)學(xué)科排名
書目名稱UV Radiation and Arctic Ecosystems網(wǎng)絡(luò)公開度
書目名稱UV Radiation and Arctic Ecosystems網(wǎng)絡(luò)公開度學(xué)科排名
書目名稱UV Radiation and Arctic Ecosystems被引頻次
書目名稱UV Radiation and Arctic Ecosystems被引頻次學(xué)科排名
書目名稱UV Radiation and Arctic Ecosystems年度引用
書目名稱UV Radiation and Arctic Ecosystems年度引用學(xué)科排名
書目名稱UV Radiation and Arctic Ecosystems讀者反饋
書目名稱UV Radiation and Arctic Ecosystems讀者反饋學(xué)科排名
作者: 矛盾心理 時間: 2025-3-21 20:48
e major reason for this has been a lack of demand by British industry for highly qualified staff. What would now be called professional engineers were, until recently, mostly ill-educated and received their training largely by apprenticeship. The only qualification available to the great majority wa作者: Circumscribe 時間: 2025-3-22 01:42 作者: 人造 時間: 2025-3-22 06:10 作者: 小母馬 時間: 2025-3-22 10:37 作者: 繁重 時間: 2025-3-22 15:08 作者: 投票 時間: 2025-3-22 17:22
L. O. Bj?rnose several health hazards to non-target organisms. Moreover due to their short half-life, they are also used in large amounts, increasing the risk of environmental contamination. Hence development of?novel approaches are required to protect plants with minimal detrimental impact on the environment 作者: burnish 時間: 2025-3-22 23:56 作者: MOAN 時間: 2025-3-23 01:27
W. F. Vincent,C. Belzileinzigen, der v?llig frei von Fettstoffen, also von mit Wasser nicht mischbaren Substanzen ist, und es gibt andererseits keine Art der Nahrung, bei deren Aufnahme nicht Wasser zugegen w?re. Jede Speise enth?lt demnach, auch wenn man ihr bei der Zubereitung keine Fettstoffe zusetzt, die Bestandteile e作者: Ondines-curse 時間: 2025-3-23 06:17 作者: 密切關(guān)系 時間: 2025-3-23 13:30
r, die Tiere bekommen keine Masern, das Rind ist unempfindlich gegen Rotz. Die natürliche Immunit?t in den angeführten F?llen kann durch keine Ma?nahmen aufgehoben werden, sie ist eine absolute, w?hrend gegenüber den meisten Krankheiten nur ein relativer natürlicher Schutz besteht. Man bezeichnet ih作者: 詳細目錄 時間: 2025-3-23 15:38 作者: Brocas-Area 時間: 2025-3-23 21:07 作者: 改革運動 時間: 2025-3-24 02:13 作者: accordance 時間: 2025-3-24 06:20
A. Dahlbackith from three to five times as many from the lower-level engineering schools: a total of at least 150,000 (Ludwig, 1974). This was more than the members enrolled on the Technical and Scientific Register of the Ministry of Labour in this country during the Second World War (Board of Education, 1944).作者: CRASS 時間: 2025-3-24 08:50
D. K. Perovichn in animal models over the past two decades, but several impediments, in part based on an inadequate understanding of the biology of the effector cells potentially useful in adoptive immunotherapy, have hindered clinical applications and impacted on the success of the initial attempts at adoptive therapy for human diseases.作者: 避開 時間: 2025-3-24 11:05
E. W. Helbling,V. E. Villafa?eandeln, da beide, wie erwiesen, in ?hnlichem Sinne in den Atmungsorganen zur Wirkung kommen. Es folgen die Apparate zur Erzeugung von Flüssigkeitsstaub und Schwaden, welche ebenfalls ihrem physikalisch-physiologischen Verhalten nach eng zueinander geh?ren.作者: Debility 時間: 2025-3-24 15:34 作者: Extemporize 時間: 2025-3-24 20:38
UV Effects on Aquatic Microbial Food Webs in Northern Lakes and Riverseper lakes and rivers this microbial community is mostly planktonic and is distributed throughout the water column In shallow-water systems, which are especially abundant throughout the North (e.g., thaw ponds on the tundra, polar desert streams), these diverse functional groups are most abundant in作者: 散開 時間: 2025-3-25 01:52 作者: 無聊的人 時間: 2025-3-25 05:37
UV Radiation and the Pelagic Food Web of Arctic Freshwaterscomplex and unexpected like those reported by Bothwell et al. (1994) where periphytic diatom communities gained increased biomass under UV exposure due to the high susceptibility of the grazers. One point of departure for such analysis are the concepts of “top-down” or “bottom-up” regulation. These 作者: heirloom 時間: 2025-3-25 09:03
UV Radiation and Arctic Marine MacroalgaeUVR) and high intensities of photosynthetically active radiation (PAR). In contrast, species restricted to deep waters (such as .) are hardly exposed to high irradiance as they are protected by the water column above.作者: WAIL 時間: 2025-3-25 13:16 作者: 熒光 時間: 2025-3-25 17:05
ber of ground tests. Moreover, the relative achievements were applied to the demonstration project and validate the feasibility of indicators and countermeasures. It is of practical and leading significance for highway construction and improving the traffic level in the Qinghai-Tibet Plateau..978-981-99-0622-2978-981-99-0620-8作者: galley 時間: 2025-3-25 20:20
E. Aas,J. H?kedal,N. K. H?jerslev,R. Sandvik,E. Sakshaug.?.The book is intended for students, graduate students and archaeologists who are interested in the specifics of underwater archaeological research and are planning to conduct it.?.978-3-031-27504-3978-3-031-27502-9Series ISSN 2730-6674 Series E-ISSN 2730-6682 作者: GRAIN 時間: 2025-3-26 03:44
rformed on healthcare assets. The book offers a valuable tool for technical professionals, public administrations and healthcare managers engaged in maintenance and performance assessment of healthcare facilities..978-3-030-80175-5978-3-030-80173-1Series ISSN 2366-259X Series E-ISSN 2366-2603 作者: 起草 時間: 2025-3-26 04:49 作者: 歸功于 時間: 2025-3-26 08:41
H. P. Leinaasity of vocational education and training; the inspiring outcomes are given: the enriched educational resources, the strengthened teaching ability of teachers, the enhanced employment rate of students and the established quality assurance system.作者: palliate 時間: 2025-3-26 12:59 作者: 車床 時間: 2025-3-26 20:18
K. Bischof,D. Hanelt,C. Wienckeg des Allenthesenmaterials einen wichtigen Forschungszweig darstellt, da? aber das zentrale Problem der Osteosynthese in der Garantierung einer physiologisch-mechanischen Konstellation bis zur Konsolidierung des Bruchs liegt“.作者: garrulous 時間: 2025-3-26 23:30 作者: MOTTO 時間: 2025-3-27 02:17
D. O. Hessenraucher den leistungsf?higsten Apparat liefern zu k?nnen. Dies gilt z. B. von.denen wir auch an dieser Stelle nochmals unseren Dank für die uns zur Verfügung gestellten Apparatzeichnungen Abb. 8, 24, 25, 28, 29, 30, 34, 36, 39, 41, 42, 61 zum Ausdruck bringen.作者: GIBE 時間: 2025-3-27 05:46
0070-8356 .Includes supplementary material: Although there are some biological processes that are supported by UV radiation, most organisms are stressed by it in various ways, e.g. through DNA damage..Top international experts present an integrated overview of UV radiation and its effects on terrestrial, fres作者: 廢墟 時間: 2025-3-27 10:00
Spectral Properties and UV Attenuation in Arctic Freshwater Systemsdamaging UV radiation, especially in the Arctic (.). Since the Antarctic ozone hole was discovered (.), significant ozone depletion events have been detected within the Arctic polar stratospheric vortex during the recent years (.). As a consequence, the surface UV radiation has also increased (., .).作者: Vulnerable 時間: 2025-3-27 14:51 作者: Promotion 時間: 2025-3-27 19:24 作者: 溫和女孩 時間: 2025-3-28 01:58 作者: 一個攪動不安 時間: 2025-3-28 04:41
Book 2002key ecological factor in the Arctic spring and summer are discussed in detail. Additionally, basic information on Arctic ecosystems is given. The volume provides not only an excellent account of present-day knowledge of the subject, but also describes the state of the art on which future research can be built.作者: rheumatology 時間: 2025-3-28 07:54 作者: 燦爛 時間: 2025-3-28 11:08
Recent Changes in Surface Ultraviolet Solar Radiation and Stratospheric Ozone at a High Arctic Sitef the spectrum was set at 2922 A. Cornu concluded that the lack of measurable radiation below this limit was due to strong absorption in the atmosphere above. . suggested that the atmosphere contained ozone. This was later confirmed by Fabry and Buisson in 1913. They performed accurate measurements 作者: Flat-Feet 時間: 2025-3-28 18:08 作者: 富饒 時間: 2025-3-28 19:18 作者: entice 時間: 2025-3-29 00:03
Ultraviolet Radiation and the Optical Properties of Sea Ice and Snowt the earth’s surface. Indeed, a recent analysis of incident ultraviolet irradiance measured at Barrow, Alaska, from 1991 to 1995 demonstrates a continuing increase in ultraviolet light levels (.). Much of the area most affected by stratospheric ozone depletion is covered by a seasonal or perennial 作者: 輕推 時間: 2025-3-29 05:05
Effects of Ultraviolet-B Radiation on Terrestrial Organisms and Ecosystems with Special Reference toast few decades due to the depletion of stratospheric ozone, and fear that it may have adverse effects. Thus, attention has been focused on inhibiting and destructive effects of the radiation. Recently, increased attention has been paid also to other effects.作者: AORTA 時間: 2025-3-29 08:08 作者: PLE 時間: 2025-3-29 11:58
UV Effects on Aquatic Microbial Food Webs in Northern Lakes and Riversn, insects, fish and birds. The base of the food webs supporting these animal populations is still poorly understood, but at many sites examined to date the biomass and energy flow in the lower food web is mostly associated with microscopic species of diverse nutritional modes: photosynthetic bacter作者: FOIL 時間: 2025-3-29 18:20 作者: confederacy 時間: 2025-3-29 19:59 作者: Pudendal-Nerve 時間: 2025-3-30 00:43 作者: 使成核 時間: 2025-3-30 06:05
UV Radiation and Arctic Marine Macroalgaehanges in nutrient concentrations in the water column and stabilise sediments. Macroalgae show distinct zonation patterns, with a preference to establish on hard bottom at different water depths. The environment of Arctic coastal ecosystems is highly variable (.). Especially, algae from the intertid作者: 血友病 時間: 2025-3-30 10:56 作者: Gesture 時間: 2025-3-30 15:03
