Results 81 to 90 of about 2,152,388 (314)
Location of study sites in Heilongjiang Province of Northeast China.
, 2013 Location of study sites in Heilongjiang Province of Northeast China.
Yong Zhou (23772) +3 more
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Enantioselective Access to Trifluoromethylated Spirocyclopropyl Heterocycles
Advanced Science, EarlyView.We report a rhodium‐catalyzed asymmetric [2+1] spirocyclopropanation of methylene azacycles with trifluoromethyl carbenes in situ derived from fluoroalkyl triftosylhydrazones. ABSTRACT Chiral spirocyclopropyl heterocycles have emerged as privileged three‐dimensional structural motifs in medicinal chemistry.
Yuanhao Zhu +9 more
wiley +1 more source
Remote Sensing, 2017 Evapotranspiration (ET) is a critical process for the climate system and water cycles. However, the spatiotemporal variations in terrestrial ET over Northeast China over the past three decades calculated from sparse meteorological point-based data remain
Lilin Zhang +8 more
doaj +1 more source
Establishing Energy Cooperation in Northeast Asia : Implications from the experiences of the European Union [PDF]
It is increasingly considered appropriate to deal with international energy issues, such as achieving energy market stability and energy supply security and countering climate change, on a regional or even global level.
Ann van Veestra
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Dual Nickel/Photoredox‐Catalyzed Regio‐ and Enantioselective Alkenylation of Epoxides
Advanced Science, EarlyView.Ni/photoredox‐catalyzed stereoconvergent cross‐electrophile coupling of racemic epoxides with alkenyl bromides is described, affording β‐alkenyl products with up to 95% ee, excellent E‐selectivity, and complete regiocontrol. These versatile intermediates enable diverse chiral synthons; mechanistic studies suggest a halide ring‐opening followed by ...
Hongyan Lan +4 more
wiley +1 more source
[EN] CA - A China reset in Northeast Asia - March 2015
, 2015 Summary – A CHINA RESET IN NORTHEAST ASIA – 1. China and Japan: Two steps back, one step forward? (François Prayas) 2. Is Russia driving a wedge between North Korea and China? (Angela Stanzel) 3.
sulmipark
core +1 more source
The Political Economy of Pre-industrial Trade in Northeast Asia [PDF]
This paper examines why the countries of Northeast Asia (China, Korea, and Japan) in the early nineteenth century traded much less (as measured by the proportion of trade to GDP) than most countries in other parts of the world. It is argued that the most
Hun-Chang Lee
core
Cavity‐Enhanced Eye‐Readable Detection of 0.1% H2 via Active Modulation of Charge‐Transfer Plasmons
Advanced Science, EarlyView.A cavity‐structured nanoparticle sensor is developed for highly sensitive, eye‐readable hydrogen detection. Its excellent colorimetric response arises from a hydrogen‐induced charge‐transfer mechanism: reduction of the dielectric oxide shell in H2 triggers a transition from the plasmonic gap mode to the charge‐transfer plasmon mode.
Xuemin Zhang +9 more
wiley +1 more source
Frontiers in Plant Science, 2018 The heading date is a vital factor in achieving a full rice yield. Cultivars with particular flowering behaviors have been artificially selected to survive in the long-day and low-temperature conditions of Northeast China.
Jing Ye +11 more
doaj +1 more source
, 2002 We use Landsat TM time series data for the years of 1991/1992, 1995/1996 and 1999/2000 to characterize land-cover change in northeast China. With the information on land-cover change and the density of vegetation and soil carbon, we assess the potential ...
Liu, JY +5 more
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