作者: flaunt 時(shí)間: 2025-3-21 22:31 作者: commonsense 時(shí)間: 2025-3-22 02:07 作者: 單純 時(shí)間: 2025-3-22 07:44 作者: Flatter 時(shí)間: 2025-3-22 10:18
forest trees, as evidenced by the programme of this conference. This is in stark contrast to research over the last 70 years in both Europe and North America, where emphasis has been placed on understanding the impact of air pollutants on the economic yield of major agricultural crops. The present 作者: 沒有貧窮 時(shí)間: 2025-3-22 16:36
R. Plankrial and aquatic ecosystems; but others induce stresses that change the current condition of specific plants, animals, and microorganisms or alter the health, productivity, genetic structure, and/or the geographic distribution of whole ecosystems. Recent research to determine the effects of airborne作者: assent 時(shí)間: 2025-3-22 19:19
R. Plankormer Minister of Health and Environmental Protection of the Netherlands, emphasised the need for setting up a concerted research programme including the effects of air pollution on terrestrial and aquatic ecosystems. The Council of Ministers of the European Community in 1984 adopted a revision of t作者: grieve 時(shí)間: 2025-3-22 22:38
R. Planking of pollution climates is necessary to define relationships between deposition and effects of pollutants. Knowledge of rainfall chemistry has improved in recent years so that maps of rain acidity in Europe can be prepared, but the relative contributions from natural and anthropogenic sulphur are 作者: 品牌 時(shí)間: 2025-3-23 02:49 作者: 脆弱吧 時(shí)間: 2025-3-23 09:34
I of this Symposium and during a Workshop held in Bern, Switzerland (27 – 30 April 1987). This report attempts to summarize some of the main results from these discussions and to indentify important needs for future research.作者: incubus 時(shí)間: 2025-3-23 12:45 作者: 不可侵犯 時(shí)間: 2025-3-23 15:01
http://image.papertrans.cn/h/image/424471.jpg作者: 消瘦 時(shí)間: 2025-3-23 18:23
I of this Symposium and during a Workshop held in Bern, Switzerland (27 – 30 April 1987). This report attempts to summarize some of the main results from these discussions and to indentify important needs for future research.作者: 向外供接觸 時(shí)間: 2025-3-23 22:15
,Gr??e und Bauweise der Kühlschr?nke,ung 800 bis 1200 kcal in 24 Stunden entsprechend der Schmelzw?rme von 10 bis 15 kg Eis. Davon entfallen auf die Nutzk?lteleistung etwa 500 kcal/Tag. Die Temperatur im Schrank soll auf etwa + 5. gehalten werden; eine wichtige Forderung, die nicht immer beachtet wird, ist die sorgf?ltige Isolierung des Schrankes.作者: frenzy 時(shí)間: 2025-3-24 04:52 作者: SHOCK 時(shí)間: 2025-3-24 07:09 作者: Condescending 時(shí)間: 2025-3-24 13:00 作者: 蛙鳴聲 時(shí)間: 2025-3-24 18:34
,Kritischer Vergleich von Kompressions- und Absorptionsk?ltemaschinen,Die Kühlung der Schr?nke kann entweder nach dem Kompressions- oder nach dem Absorptionssystem erfolgen. Bei den Absorptionsmaschinen unterscheidet man au?erdem zwischen solchen die periodisch und solchen die kontinuierlich arbeiten. Es fragt sich inwieweit die verschiedenen Systeme die zu Anfang aufgestellten 7 Forderungen erfüllen.作者: famine 時(shí)間: 2025-3-24 20:45
eils im historischen Kontext betrachtet werden müssen. Dieser Titel erschien in der Zeit vor 1945 und wird daher in seiner zeittypischen politisch-ideologischen Ausrichtung vom Verlag nicht beworben.978-3-662-27140-7978-3-662-28623-4作者: 殘酷的地方 時(shí)間: 2025-3-25 01:55 作者: meditation 時(shí)間: 2025-3-25 04:52
erschienen sind. Der Verlag stellt mit diesem Archiv Quellen für die historische wie auch die disziplingeschichtliche Forschung zur Verfügung, die jeweils im historischen Kontext betrachtet werden müssen. Dieser Titel erschien in der Zeit vor 1945 und wird daher in seiner zeittypischen politisch-ide作者: 學(xué)術(shù)討論會(huì) 時(shí)間: 2025-3-25 10:51
n of forest decline. However, it is difficult to escape the conclusion that a secondary cause of the switch in emphasis from crops to trees is the current surplus of many agricultural commodities within the EEC and the uncertainties concerning future agricultural policy.作者: 財(cái)產(chǎn) 時(shí)間: 2025-3-25 14:41 作者: scrape 時(shí)間: 2025-3-25 16:42 作者: Geyser 時(shí)間: 2025-3-25 21:41 作者: Acetaldehyde 時(shí)間: 2025-3-26 00:49 作者: aplomb 時(shí)間: 2025-3-26 06:45
R. Planksearcn projects carried out within the national programmes, and those undertaken at the Community level. The Commission tends to develop an integrated scientific approach, including not only the physico-chemical behaviour, the transport and the deposition of airborne pollutants but also the effects of these p978-94-010-8276-1978-94-009-4003-1作者: 落葉劑 時(shí)間: 2025-3-26 09:10
R. Plankition of soluble and insoluble materials in wind-driven cloud is also significant but has seldom been measured. Routine monitoring of cloud water chemistry is necessary as a first step, but is not sufficient for reliable occult deposition estimates. Rates of dry deposition are often strongly control作者: hieroglyphic 時(shí)間: 2025-3-26 14:30
R. Plankand deposition and the relationship between deposition and effects. The primary areas of research include: comprehensive inventories of emissions, studies in atmospheric chemistry, atmospheric modeling, deposition and air quality monitoring, and effects research on agricultural crops, plantation and作者: compose 時(shí)間: 2025-3-26 19:05 作者: 擴(kuò)大 時(shí)間: 2025-3-26 22:35
Leonardo Araújo,Rogério Gava93). Sika were introduced into the UK at around the turn of the century: with the first recorded introduction dated around 1860 and numerous further introductions documented up until the 1930s. Ratcliffe (1987a) offers a detailed review of the history of introduction and the subsequent spread of the作者: 返老還童 時(shí)間: 2025-3-27 03:38 作者: 贊成你 時(shí)間: 2025-3-27 06:10
MaskMel-Prosody-CycleGAN-VC: High-Quality Cross-Lingual Voice Conversionh again. In this way, we achieve high similarity and naturalness of cross-lingual voice conversion. The MOS test results show that MaskMel-Prosody-CycleGAN framework, we proposed, is superior to the CycleGAN-VC2 baseline in our experiments.作者: 積極詞匯 時(shí)間: 2025-3-27 11:38
Operational Research as a Social Sciencen. Schuldig seien vor allem die Akteure der US-Wirtschaft, denn über sie versuchten die USA als einzige nach dem Kalten Krieg verbliebene Supermacht ihre einstige politische Dominanz nun im Wirtschafts- und Kultursektor fortzusetzen (vgl. Rogers/Steinfatt 1999: 263).作者: RAFF 時(shí)間: 2025-3-27 13:43 作者: 松緊帶 時(shí)間: 2025-3-27 20:23