搜索结果: 1-15 共查到“理学 lead”相关记录92条 . 查询时间(0.062 秒)
Like the transistors in a classical computer, superconducting qubits are the building blocks of a quantum computer. While engineers have been able to shrink transistors to nanometer scales, however, s...
Have you ever thought about not voting because your preferred candidate’s victory seems assured? New Cornell research uses mathematical modeling to show that type of thinking can have the opposite eff...
Algorithm breakthrough may lead to new applications for quantum computers（图）
Algorithm breakthrough new applications quantum computers
2020/12/11
Researchers led by City College of New York physicist Pouyan Ghaemi report the development of a quantum algorithm with the potential to study a class of many-electron quantum systems using q...
As humans continue to send large quantities of carbon into the atmosphere, much of that carbon is absorbed by the oceans. Now researchers from the University of Connecticut and other institu...
中国地质大学科学技术发展院张军波，刘勇胜* 等，地球科学学院. Geology, Available online 27 March 2020，Archean, highly unradiogenic lead in shallow cratonic mantle
地幔高非；放射性；铅；起源；地球；动力学
2021/10/15
近日，中国地质大学地球科学学院刘勇胜教授团队在国际地学领域顶级期刊《Geology》发表了题为《浅部克拉通地幔存在太古代高放射性成因铅》的学术论文，阐释了地幔高非放射性成因铅的起源及相应的深部地球动力学过程，建立了早元古代大氧化事件(大约23~24亿年)与地球铅同位素组成之间的重要联系。论文通讯作者为刘勇胜教授，论文第一作者为张军波博士。
自然界中铅(Pb)以四种稳定同位素存在，其中仅一种为非放...
Coral-inspired biomaterials could lead to efficient biofuel production（图）
Coral-inspired biomaterials efficient biofuel production
2020/4/17
Researchers at the Scripps Institution of Oceanography and Jacobs School of Engineering at the University of California, San Diego and their colleagues have designed 3D printed, coral-inspir...
Plant-derived chemicals called cardenolides have long been used to treat heart disease and have shown potential as cancer therapies. But the compounds are toxic, making it difficult for doctors to pre...
Bees' movements may lead to new swimming, flying robots（图）
Bees movements new swimming flying robots
2020/1/21
Walking on Caltech's campus, engineer Chris Roh happened to see a bee stuck in the water of Millikan Pond. Although it was a common sight, it led Roh and his colleague Mory Gharib to a discovery about...
Whaling and climate change lead to 100 years of feast or famine for Antarctic penguins
climate change 100 years famine Antarctic penguins
2019/12/6
New NSF-funded research reveals how two penguin species, the gentoo and the chinstrap, have dealt with more than a century of human impacts in Antarctica, and why some species are winners and others a...
Environmental change in Africa:Will it lead to a drying Lake Victoria?（图）
Environmental change Africa drying Lake Victoria
2019/12/2
Global climate change could cause Africa's Lake Victoria, the world's largest tropical lake and source of the Nile River, to dry up in the next 500 years, according to new NSF-funded findings by a tea...
Deep-sea sediments lead to new understanding of solar system（图）
Deep-sea sediments new understanding solar system
2019/10/18
A day is the time for Earth to make one complete rotation on its axis, and a year is one revolution around the Sun -- reminders that basic units of time and periods on Earth are intimately linked to o...
Climate change, coastal development lead to nearshore coral declines（图）
Climate change coastal development nearshore coral
2019/10/18
New research compares the growth rates of corals in the Belize Mesoamerican Barrier Reef System, the world's second-largest reef system. Over the past decade, the growth rate of corals living closer t...
Comparative Study of Gacun and Youre Silver–Lead–Zinc–Copper Deposits in Sichuan, SW China, and their Mineralization Significance
ore-bearing horizon structure of ore-bearing belt VMS deposit Gacun–Youre ore district
2018/4/10
The large Gacun silver–lead–zinc–copper deposit in Sichuan Province is one of the largest volcanogenic massive sulfide (VMS) deposits in China. The deposit consists of western and central ore bodies, ...
Genetic mutation trade-offs lead to parallel evolution
Genetic mutation trade-offs parallel evolution
2017/7/20
Organisms in nature adapt and evolve in complex environments. For example, when subjected to changes in nutrients, antibiotics, and predation, microbes in the wild face the challenge of adapting multi...
Unexpected protein structure findings could lead to new therapies
protein structure lead to new therapies
2017/4/27
Scientists have determined unexpected characteristics of a key protein linked to blood pressure control and to nerve growth, pain control and heart tissue regeneration. The findings, published April 5...