نتایج جستجو برای: cold zones

تعداد نتایج: 150279  

2014
Joontaek Park

Disclaimer The contents of this report reflect the views of the author(s), who are responsible for the facts and the accuracy of information presented herein. This document is disseminated under the sponsorship of The influence of the rebar configuration on the occurrence of dead zones (= zero velocity) during flow of Self-Consolidating Concrete in formworks has been investigated by single flui...

2004
Clinton P. Conrad Carolina Lithgow-Bertelloni

[1] Although mantle slabs ultimately drive plate motions, the mechanism by which they do so remains unclear. A detached slab descending through the mantle will excite mantle flow that exerts shear tractions on the base of the surface plates. This ‘‘slab suction’’ force drives subducting and overriding plates symmetrically toward subduction zones. Alternatively, cold, strong slabs may effectivel...

2016
Takayoshi Nagaya Andrew M. Walker James Wookey Simon R. Wallis Kazuhiko Ishii J. -Michael Kendall

It is widely accepted that water-rich serpentinite domains are commonly present in the mantle above shallow subducting slabs and play key roles in controlling the geochemical cycling and physical properties of subduction zones. Thermal and petrological models show the dominant serpentine mineral is antigorite. However, there is no good consensus on the amount, distribution and alignment of this...

2015
Shanjun Wei Zhenlin Du Fei Gao Xiang Ke Jing Li Jianxiu Liu Yijun Zhou Zhong-Hua Chen

A long green period is essential for a turfgrass species with high ornamental value and a wide area of use. Zoysiagrasses (Zoysia spp. Willd.) are perennial turfgrass species popular in tropical, subtropical and temperate zones, possessing many properties necessary to be economically useful turfgrass. They do not have a long green period because of cold sensitivity. A main focus in zoysiagrass ...

Journal: :Agriculture 2021

With the extreme changes of global climate, winter freezing injury has become an important limiting factor for development grape industry. Therefore, there is a significant need screening cold-resistant wine germplasms and cold regionalization breeding grapevine cultivation in regions. In this study, low-temperature half-lethal temperature (LT50) values were determined annual dormant branches 1...

Journal: :Diversity 2021

The spurge hawkmoth Hyles euphorbiae L. (Sphingidae) comprises a remarkable species complex with still not fully resolved taxonomy. Its extensive natural distribution range covers diverse climatic zones. This predestinates particular populations to cope different local seasonally unfavorable environmental conditions. ability of the pupae overcome outer frosty conditions is well known. However, ...

2014
Duo Ye Yukun Hu Minghua Song Xu Pan Xiufang Xie Guofang Liu Xuehua Ye Ming Dong

Plant clonality, the ability of a plant species to reproduce itself vegetatively through ramets (shoot-root units), occurs in many plant species and is considered to be more frequent in cold or wet environments. However, a deeper understanding on the clonality-climate relationships along large geographic gradients is still scarce. In this study we revealed the clonality-climate relationships al...

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