搜索结果: 46-60 共查到“理学 record”相关记录230条 . 查询时间(0.015 秒)
Update of the Chronology of Natural Signals in the Near-Surface Mean Global Temperature Record and the Southern Oscillation Index
Climate Variability Southern Oscillation Index ENSO
font style='font-size:12px;'>
2013/3/11
Time series for the Southern Oscillation Index and mean global near surface temperature anomalies are compared for the 1950 to 2012 period using recently released HadCRU4 data. The method avoids a foc...
Fossil record holds a key to conservation
fossil ecological
font style='font-size:12px;'>
2014/7/16
UQ paleontologists have contributed to a new book that shows how to incorporate fossil data into ecological and conservation studies.
The Cadell Fault: a record of long-term fault behaviour in south-eastern Australia
The Cadell Fault record long-term fault behaviour south-eastern Australia
font style='font-size:12px;'>
2012/3/30
Australia is classified as a Stable Continental Region (SCR) in terms of its plate tectonic setting and seismicity (Johnston et al. 1994). While such settings produce only approximately 0.2% of the wo...
Testing homogeneity with the fossil record of galaxies
Early Universe Gravity
font style='font-size:12px;'>
2011/10/20
The standard Friedmann model of cosmology is based on the Copernican Principle, i.e. the assumption of a homogeneous background on which structure forms via perturbations. Homogeneity underpins both g...
Record process on the Continuum Random Tree
continuum random tree, records, cutting down a tree
font style='font-size:12px;'>
2011/9/14
Abstract: We consider the number of cuts $X_n^*$ needed to isolate the root of the sub-tree spanned by $n$ leaves uniformly chosen at random in Aldous's continuum random tree $\ct$. We prove the almos...
Long-term record of aerosol optical properties and chemical composition from a high-altitude site (Manora Peak) in Central Himalaya
aerosol optical properties chemical composition a high-altitude site (Manora Peak) Central Himalaya
font style='font-size:12px;'>
2010/12/28
A long-term study, conducted from February 2005 to July 2008, involving chemical composition and optical properties of ambient aerosols from a high-altitude site (Manora Peak: 29.4° N, 79.5° E, ~1950 ...
Aerosol mass and black carbon concentrations, a two year record at NCO-P (5079 m, Southern Himalayas)
Aerosol mass black carbon NCO-P
font style='font-size:12px;'>
2010/9/21
Aerosol mass and the absorbing fraction are important variables, needed to constrain the role of atmospheric particles in the Earth radiation budget, both directly and indirectly through CCN activatio...
Multi-year (2004–2008) record of nonmethane hydrocarbons and halocarbons in New England: seasonal variations and regional sources
nonmethane hydrocarbons halocarbons New England seasonal variations regional sources
font style='font-size:12px;'>
2010/8/13
Multi-year time series records of C2-C6 alkanes, C2-C4 alkenes, ethyne, isoprene, C6-C8 aromatics, trichloroethene (C2HCl3), and tetrachloroethene (C2Cl4) from canister samples collected during Januar...
Multidecadal climate oscillations detected in a transparency record from a subtropical Florida lake
Multidecadal climate oscillations transparency record subtropical Florida lake
font style='font-size:12px;'>
2014/4/17
Synchronous interannual variability in water transparency observed in neighboring lakes has been linked to regional precipitation and resultant runoff of dissolved organic material, but many climate f...
Ecologists receive mixed news from fossil record
ecologists mixed news fossil record
font style='font-size:12px;'>
2010/4/29
Paleontologists can’t always get what they want, to paraphrase the Rolling Stones, but sometimes they can get what they need, according to a study that will appear in the May issue of the American Nat...
Reseda globulosa (Resedaceae): a new record for the flora of Turkey
Reseda Resedaceae new record flora Turkey
font style='font-size:12px;'>
2010/3/17
Reseda globulosa Fisch. & C.A.Mey. (Resedaceae) is reported as a new record for Turkish flora. It was identified using the collected specimens and Flora Palaestina. The description, illustration, and ...
Lophanthus (Lamiaceae) in Turkey: a new generic record and a new species
Endemic Lamiaceae Lophanthus Van Turkey
font style='font-size:12px;'>
2010/3/17
The genus Lophanthus Adans. is recorded for the first time from Turkey. Specimens collected from Van province, east Anatolia, are described here as the new species Lophanthus turcicus Dirmenci, Yı...
![](http://www.firstlight.cn/upload/imgfile/20102/23/2010223164251.jpg)
New optical clock breaks accuracy record(图)
New optical clock accuracy record
font style='font-size:12px;'>
2010/2/23
A new optical clock that is twice as accurate as any other has been unveiled by physicists in the US. The clock, which is based on a single aluminium ion, could remain accurate to within one second ov...
![](http://www.firstlight.cn/upload/imgfile/20102/24/2010224171920.jpg)
Record-breaking collisions(图)
Record-breaking particle accelerator the theorized Higgs boson
font style='font-size:12px;'>
2010/2/24
In December, the Large Hadron Collider, the world’s largest particle accelerator, shattered the world record for highest energy particle collisions. This week, team led by researchers from MIT, CERN a...
![](http://www.firstlight.cn/upload/imgfile/20102/23/201022317957.jpg)
Graphene transistor breaks new record(图)
Graphene transistor new record
font style='font-size:12px;'>
2010/2/23
Physicists in the US have made the fastest graphene transistor ever, with a cut-off frequency of 100 GHz. The device can be further miniaturized and optimized so that it could soon outperform conventi...