全文获取类型
收费全文 | 368篇 |
免费 | 12篇 |
国内免费 | 6篇 |
专业分类
测绘学 | 4篇 |
大气科学 | 34篇 |
地球物理 | 106篇 |
地质学 | 107篇 |
海洋学 | 41篇 |
天文学 | 63篇 |
综合类 | 3篇 |
自然地理 | 28篇 |
出版年
2023年 | 1篇 |
2021年 | 2篇 |
2020年 | 6篇 |
2019年 | 3篇 |
2018年 | 18篇 |
2017年 | 10篇 |
2016年 | 16篇 |
2015年 | 18篇 |
2014年 | 12篇 |
2013年 | 20篇 |
2012年 | 22篇 |
2011年 | 18篇 |
2010年 | 17篇 |
2009年 | 31篇 |
2008年 | 18篇 |
2007年 | 31篇 |
2006年 | 16篇 |
2005年 | 22篇 |
2004年 | 12篇 |
2003年 | 10篇 |
2002年 | 8篇 |
2001年 | 11篇 |
2000年 | 9篇 |
1999年 | 7篇 |
1998年 | 9篇 |
1997年 | 2篇 |
1996年 | 1篇 |
1995年 | 7篇 |
1993年 | 2篇 |
1992年 | 3篇 |
1991年 | 1篇 |
1990年 | 2篇 |
1989年 | 2篇 |
1987年 | 1篇 |
1983年 | 5篇 |
1982年 | 3篇 |
1981年 | 2篇 |
1980年 | 1篇 |
1979年 | 2篇 |
1978年 | 1篇 |
1977年 | 1篇 |
1976年 | 1篇 |
1960年 | 1篇 |
1944年 | 1篇 |
排序方式: 共有386条查询结果,搜索用时 15 毫秒
41.
42.
Pérez-Bella José M. Domínguez-Hernández Javier Cano-Suñén Enrique del Coz-Díaz Juan J. Alonso-Martínez Mar 《Stochastic Environmental Research and Risk Assessment (SERRA)》2018,32(6):1783-1797
Stochastic Environmental Research and Risk Assessment - The joint action of wind-driven rain and wind pressure is the main cause of water penetration in building facades, which causes various... 相似文献
43.
The water vapour continuum is characterised by absorption that varies smoothly with wavelength, from the visible to the microwave. It is present within the rotational and vibrational–rotational bands of water vapour, which consist of large numbers of narrow spectral lines, and in the many ‘windows’ between these bands. The continuum absorption in the window regions is of particular importance for the Earth’s radiation budget and for remote-sensing techniques that exploit these windows. Historically, most attention has focused on the 8–12?μm (mid-infrared) atmospheric window, where the continuum is relatively well-characterised, but there have been many fewer measurements within bands and in other window regions. In addition, the causes of the continuum remain a subject of controversy. This paper provides a brief historical overview of the development of understanding of the continuum and then reviews recent developments, with a focus on the near-infrared spectral region. Recent laboratory measurements in near-infrared windows, which reveal absorption typically an order of magnitude stronger than in widely used continuum models, are shown to have important consequences for remote-sensing techniques that use these windows for retrieving cloud properties. 相似文献
44.
A. M. Gurnell M. Rinaldi B. Belletti S. Bizzi B. Blamauer G. Braca A. D. Buijse M. Bussettini B. Camenen F. Comiti L. Demarchi D. García de Jalón M. González del Tánago R. C. Grabowski I. D. M. Gunn H. Habersack D. Hendriks A. J. Henshaw M. Klösch B. Lastoria A. Latapie P. Marcinkowski V. Martínez-Fernández E. Mosselman J. O. Mountford L. Nardi T. Okruszko M. T. O’Hare M. Palma C. Percopo N. Surian W. van de Bund C. Weissteiner L. Ziliani 《Aquatic Sciences - Research Across Boundaries》2016,78(1):1-16
45.
46.
The drift velocity of an auroral arc is compared with the component of F-region plasma velocity in the same direction for ten cases where the arc is seen to move steadily equatorward for several minutes without any major change in appearance or orientation. In most cases the two velocities are close, but on two occasions the drift velocity of the arc is much higher than the plasma velocity. From the cases studied it appears that during the growth and recovery phase of the substorm cycle the arc moves with a velocity close to the convection velocity, but during the expansion phase this is not the case. 相似文献
47.
Accoroni S Romagnoli T Colombo F Pennesi C Di Camillo CG Marini M Battocchi C Ciminiello P Dell'Aversano C Dello Iacovo E Fattorusso E Tartaglione L Penna A Totti C 《Marine pollution bulletin》2011,62(11):2512-2519
Intense blooms of the benthic dinoflagellate Ostreopsis cf. ovata have occurred in the northern Adriatic Sea since 2006. These blooms are associated with noxious effects on human health and with the mortality of benthic organisms because of the production of palytoxin-like compounds. The O. cf. ovata bloom and its relationships with nutrient concentrations at two stations on the Conero Riviera (northern Adriatic Sea) were investigated in the summer of 2009. O. cf. ovata developed from August to November, with the highest abundances in September (1.3 × 106 cells g−1 fw corresponding to 63.8 × 103 cells cm−2). The presence of the single O. cf. ovata genotype was confirmed by a PCR assay. Bloom developed when the seawater temperature was decreasing. Nutrient concentrations did not seem to affect bloom dynamics. Toxin analysis performed by high resolution liquid chromatography-mass spectrometry revealed a high total toxin content (up to 75 pg cell−1), including putative palytoxin and all the ovatoxins known so far. 相似文献
48.
49.
50.