Results 1 to 10 of about 4,831 (156)
Visualization Research on Flow Pattern of R290 Flow Boiling in Horizontal Micro-tubes [PDF]
, 2023 This study conducts visualization research on the flow pattern of R290 flow boiling in horizontal micro-tubes. The main flow patterns and influence factors of flow boiling heat transfer under different pipe diameters were analyzed, in addition to the ...
Jiang Jinzhou +2 more
core +1 more source
Conservation Biology, Volume 37, Issue 1, February 2023., 2023 Abstract Invasive species can dramatically alter ecosystems, but eradication is difficult, and suppression is expensive once they are established. Uncertainties in the potential for expansion and impacts by an invader can lead to delayed and inadequate suppression, allowing for establishment.
Brian D. Healy +5 more
wiley +1 more source
Conservation Biology, Volume 36, Issue 5, October 2022., 2022 Abstract As agricultural land use and climate change continue to pose increasing threats to biodiversity in sub‐Saharan Africa, efforts are being made to identify areas where trade‐offs between future agricultural development and terrestrial biodiversity conservation are expected to be greatest. However, little research so far has focused on freshwater
Cody Danaher +3 more
wiley +1 more source
Experimental Study on Atomizing Performance of Nucleator Nozzle for Outdoor Snow Makers [PDF]
, 2023 This study investigates the atomizing law of the nucleator nozzles, which are an important atomizing device for domestic outdoor snow-making units. Air and water are used as the medium, and the Sauter mean diameter, atomization flux, and spray angle of ...
Hao Yahui +5 more
core +1 more source
A systematic review of 20 years of crisis and disaster research: Trends and progress
Risk, Hazards &Crisis in Public Policy, Volume 12, Issue 4, Page 374-392, December 2021., 2021 Abstract The field of crisis and disaster studies has proliferated over the past two decades. Attention is bound to grow further as the world negotiates the prolonged challenges of the Covid‐19 pandemic. In this review, we provide an overview of the main foci, methods, and research designs employed in the crisis and disaster research fields in the ...
Jeroen Wolbers +2 more
wiley +1 more source
Complex and nonlinear climate‐driven changes in freshwater insect communities over 42 years
Conservation Biology, Volume 34, Issue 5, Page 1241-1251, October 2020., 2020 Abstract The ongoing biodiversity crisis becomes evident in the widely observed decline in abundance and diversity of species, profound changes in community structure, and shifts in species’ phenology. Insects are among the most affected groups, with documented decreases in abundance up to 76% in the last 25–30 years in some terrestrial ecosystems ...
Viktor Baranov +4 more
wiley +1 more source
Conservation Biology, Volume 34, Issue 1, Page 194-206, February 2020., 2020 Abstract Stand structure develops with stand age. Old‐growth forests with well‐developed stand structure support many species. However, development rates of stand structure likely vary with climate and topography. We modeled structural development of 4 key stand variables and a composite old‐growth index as functions of climatic and topographic ...
Yuichi Yamaura +6 more
wiley +1 more source
Study on moisture re-absorption characteristics and equilibrium prediction model of coal dust with different rank [PDF]
, 2023 Moisture re-absorption is an effective method to measure wettability of coal dust, but for different types of coal dust, there are difference in their hydrophilicity.
Fei WANG +5 more
core +1 more source
Synthesis, Separation and characterization of Fullerenes and Their Perchlorinated Fragments [PDF]
, 2000 回顾富勒烯科学的发展历程，不难看出宏量合成在其发展过程中的的重要地位。为了寻找高产率的宏量制备方法，人们进行了广泛的探索和深入的研究。经过多年的努力，富勒烯的合成已经有多种方法，但这些制备方法几乎都难以选择性地合成某一种富勒烯，所以分离仍是一个必要而关键的步骤。在富勒烯科学上，另一个至今仍令人迷惑不解的是富勒烯的形成机理，虽然，象C60、C70等都已经可以方便地商业购得，但其形成过程仍旧是一个值得推敲和争论的问题。人们提出了多种机理来解释富勒烯的形成，但没有一个能解释所有的实验现象 ...
谢索原
core +3 more sources
Resistance characteristics of gas-liquid two-phase flow in stick venturi scrubbers [PDF]
, 2017 In order to grasp the resistance characteristics of gas-liquid two-phase flow in stick venturi scrubbers, based on the multiphase flow theory, a three-dimensional CFD model was established.
BU Ying-yong +4 more
core +1 more source