Results 11 to 20 of about 25,420 (276)

Platinum Group Element Traces of CAMP Volcanism Associated With Low‐Latitude Environmental and Biological Disruptions

open access: yesGeophysical Monograph Series, Page 263-304., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Jessica H. Whiteside   +3 more
wiley  

+2 more sources

Some Questions on the Beidi Huns

open access: yesЖурнал Фронтирных Исследований, 2020
Because of a fierce battle among crown princes of the Huns, the great Hunnic Empire was divided into two parts in 53 BC, when two brother, Huhanye [呼韓邪] and Zhizhi [郅支] fought for the throne of the Huns.
Borbala Obrusanszky
doaj   +1 more source

The Influence of Travel Expectation Theory on RV Travel Consumption Decision [PDF]

open access: yesE3S Web of Conferences, 2021
With the improvement of people’s quality of life, driven by consumer demand such as “self-drive tour” and “RV travel”, the RV market in China is growing rapidly.
Xuefeng Yang   +5 more
doaj   +1 more source

Optical fiber sensors for coal mine shaft integrity and equipment condition monitoring [PDF]

open access: yes, 2019
Shaft is an important structure of mine. Deep mining increases mine pressure, induces shaft deformation and affects mine normal lifting. How to improve the inspection efficiency, reduce the maintenance cost and ensure the normal operation of the shaft is
Fu, J.   +9 more
core   +1 more source

Phylogenetic structure and formation mechanism of shrub communities in arid and semiarid areas of the Mongolian Plateau [PDF]

open access: yes, 2019
The mechanisms of species coexistence within a community have always been the focus in ecological research. Community phylogenetic structure reflects the relationship of historical processes, regional environments, and interactions between species, and ...
Dong, Lei   +9 more
core   +1 more source

Dynamic changes in the body composition during chemotherapy for gastrointestinal tumors in the context of active nutrition intervention

open access: yesFrontiers in Oncology, 2022
ObjectiveTo explore the dynamic changes in the body composition during chemotherapy in patients with gastrointestinal malignancies in the context of active nutrition intervention.MethodsPatients with gastrointestinal malignancies receiving first-line ...
Ting Xu   +7 more
doaj   +1 more source

Vegetation response to extreme climate events on the Mongolian Plateau from 2000 to 2010 [PDF]

open access: yes, 2013
Climate change has led to more frequent extreme winters (aka, dzud) and summer droughts on the Mongolian Plateau during the last decade. Among these events, the 2000–2002 combined summer drought–dzud and 2010 dzud were the most severe on vegetation.
Batkhishig, Ochirbat   +8 more
core   +3 more sources

Mapping the interactions between rivers and sand dunes: Implications for fluvial and aeolian geomorphology [PDF]

open access: yes, 2014
The interaction between fluvial and aeolian processes can significantly change Earth surface morphology. When rivers and sand dunes meet, the interaction of sediment transport between the two systems can lead to change in either or both systems. However,
Coulthard, Tom J., Liu, Baoli
core   +1 more source

U-Pb and Hf isotopic study of detrital zircons from the Wulashan khondalites: Constraints on the evolution of the Ordos Terrane, Western Block of the North China Craton [PDF]

open access: yes, 2006
Detrital zircons from the Wulashan khondalites in the Ordos Terrane, western block of the North China Craton, give U-Pb ages between 1.84 and 2.32 Ga, showing that their provenance was dominated by Paleoproterozoic rocks, much younger than those exposed ...
Luo, Y   +6 more
core   +1 more source

Major tectonic units of the North China Craton and their Paleoproterozoic assembly [PDF]

open access: yes, 2003
The basement of the North China Craton can be divided into the Eastern and Western Blocks and the Central Zone (Trans-North China Orogen). The West Block formed by the amalgamation of the Ordos Block in the south and the Yinshan Block in the north 1.9-2 ...
Sun, M, Wilde, SA, Zhao, G
core   +1 more source

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