搜索结果: 1-15 共查到“理学 decades”相关记录25条 . 查询时间(0.093 秒)
Decades of research brings quantum dots to brink of widespread use
LED colloidal quantum dots semiconductor LSC
2021/8/9
A new article gives an overview of almost three decades of research into colloidal quantum dots, assesses the technological progress for these nanometer-sized specs of semiconductor matter, and weighs...
Study of Belize Barrier Reef Shows Nitrogen Enrichment from Land-based Sources Doubled in Four Decades：What’s killing coral reefs in Florida is also killing them in Belize
coral reef nitrogen concentration algal blooms ecological system
2021/8/5
Only 17 percent of live coral cover remains on fore-reefs in Belize. A study finds new evidence that nitrogen enrichment from land-based sources like agriculture run-off and sewage, are significantly ...
Like matryoshka dolls: One insect species introduced decades ago to a small island had an effect on several insect populations
insect bacterial symbiont genetic ecological system
2021/8/5
Researchers thought 30 years ago that they just introduced some Glanville fritillary butterfly larvae on a small island in the Åland islands, Finland. Little did they know that within the butterf...
Depleted seamounts near Hawaii recovering after decades of protection（图）
Depleted seamounts Hawaii decades protection
2019/10/21
For decades, overfishing and trawling -- dragging the ocean bottom with heavy nets -- devastated parts of an underwater mountain range in the Pacific Ocean near Hawaii, wrecking deep-sea corals and de...
Tricky grass genome sequenced after two decades of investment and research（图）
Tricky grass genome sequenced after two decades investment research
2017/12/19
Imagine if as you read this article, blocks of text kept rearranging themselves, recombining and repeating, seemingly at random. Now imagine those blocks of text are genes. You might have some idea of...
Where did those electrons go? Decades-old mystery solved（图）
those electrons Decades-old mystery solved
2017/11/23
The concept of “valence” – the ability of a particular atom to combine with other atoms by exchanging electrons – is one of the cornerstones of modern chemistry and solid-state physics.Valence control...
Decades of Data on World’s Oceans Reveal a Troubling Oxygen Decline
Decades of Data World’s Oceans Oxygen Decline
2017/7/19
A new analysis of decades of data on oceans across the globe has revealed that the amount of dissolved oxygen contained in the water – an important measure of ocean health – has been declining for mor...
Researchers confirm decades-old theory describing principles of phase transitions
Researchers decades-old theory describing principles phase transitions
2016/11/29
New research conducted at the University of Chicago has confirmed a decades-old theory describing the dynamics of continuous phase transitions.The findings, published in the Nov. 4 issue of Science, p...
Ecologists test stability of Maine ecosystem over two decades
Ecologists Maine ecosystem over two decades
2016/2/23
Working on a lobster boat in Swan's Island, Maine, typically means an early wake-up call. The boats head out around 5:30 in the morning.For University of Pennsylvania ecologist Peter Petraitis, Califo...
Ecologists test stability of Maine ecosystem over two decades
Ecologists test stability Maine ecosystem
2016/3/2
Working on a lobster boat in Swan's Island, Maine, typically means an early wake-up call. The boats head out around 5:30 in the morning.For University of Pennsylvania ecologist Peter Petraitis, Califo...
Four decades of European geomagnetic secular variation and acceleration
European secular variation secular acceleration geomagnetic jerks
2015/8/28
Geomagnetic secular variation, the generally slow, continuous change in the core magnetic field, is characterized by occasional rapid variations known as geomagnetic jerks. Recent studies on magnetic ...
Rare nautilus sighted for the first time in three decades（图）
nautilus sighted first time three decades
2015/9/9
In early August, biologist Peter Ward returned from the South Pacific with news that he encountered an old friend, one he hadn’t seen in over three decades. The University of Washington prof...
Carl Wunsch has written a compelling and important editorial in Science (15 Jan 93, p. 296–297), "Marine Sciences in the Coming Decades," which is based on a 1992 study by the Ocean Studies Board of t...
tWo decadeS of pelagic ecology of the WeSterN aNtarctic peNiNSula
WeSterN aNtarctic peNiNSula pelagic ecology
2015/7/15
Significant strides in our understanding of the marine pelagic
ecosystem of the Western Antarctic Peninsula (WAP) region have been made over
the past two decades, resulting from research conducted...
Like Sleeping Beauty, some research lies dormant for decades,IU study finds
Like Sleeping Beauty lies dormant
2015/6/2
Why do some discoveries fade into obscurity while others blaze a new trail the moment they are published? More mysteriously, why do some research papers remain dormant for years and then suddenly expl...