Results 1 to 10 of about 216,212 (263)

How volatile components stabilize bulk nanobubbles: a model study [PDF]

open access: yesFrontiers in Chemistry
IntroductionAlthough bulk nanobubbles have been widely studied, the contribution of volatile components to their stability remains largely unexplored.MethodsThis work investigates the stabilizing effect of volatile components (e.g., CO2, short-chain ...
Jing Li   +4 more
doaj   +2 more sources

Nature and Causes of Economic Fluctuations: Evidence from the U.S. Based on a Nonlinear Autoregressive Integrated Process

open access: yesInternational Journal of Empirical Economics, 2023
Business cycles and economic growth have long been studied separately, hindering understanding of the nature and causes of economic fluctuations and growth.
Xiang Li, Zonglu He
doaj   +1 more source

Synergistic approach to the study of stability and mobility of the word meaning (on the material of polysemant red)

open access: yesНеофилология, 2022
We analyze the semantic structure of the polysemant red. The purpose of study is synergistic understanding of semantic stability and mobility of a polysemantic word.
G. I. Kanakina, S. V. Kezina
doaj   +1 more source

Capital Megacity Syndrome in the Russian Economic Space [PDF]

open access: yesProstranstvennaâ Èkonomika, 2007
The dynamic model of interaction between labor markets of Moscow and the rest of Russia is given. Prognostic-analytical calculations show that in the nearest 3-6 years the developed tendency of labor inflow to the capital may be expected to reverse.
Evgeny Vsevolodovich Balatskiy   +1 more
doaj   +1 more source

Study on Heavy Metal Migration and Optimal Allocation of Water Resources in Tailing Pond

open access: yesKuangchan zonghe liyong, 2022
Based on the potential threat of heavy metal pollution from a metal tailings pond in Tongling, Anhui Province to the mining area and the surrounding underground aquifer, the leaching test analysis of soil samples, the modeling of water quality and the ...
Jie Xiang, Xinyu Wang
doaj   +1 more source

Multi-agent game analysis on standardized discretion of environmental administrative penalty

open access: yesFrontiers in Environmental Science, 2023
An environmental administrative penalty is a powerful tool to regulate environmental pollution and ecological destruction by punishing intentional violations. Still, unchecked discretion may lead to excessively low or high penalties, breaking our balance
Xiaohong Ma, Baogui Xin, Gaobo Wu
doaj   +1 more source

The Quest for System-Theoretical Medicine in the COVID-19 Era

open access: yesFrontiers in Medicine, 2021
Precision medicine and molecular systems medicine (MSM) are highly utilized and successful approaches to improve understanding, diagnosis, and treatment of many diseases from bench-to-bedside. Especially in the COVID-19 pandemic, molecular techniques and
Felix Tretter   +8 more
doaj   +1 more source

Modelling of Sediment Transport in Beris Fishery Port [PDF]

open access: yesCivil Engineering Infrastructures Journal, 2015
In this paper, the large amount of sedimentation and the resultant shoreline advancements at the breakwaters of Beris Fishery Port are studied. A series of numerical modeling of waves, sediment transport, and shoreline changes were conducted to predict ...
Samira Ardani, Mohsen Soltanpour
doaj   +1 more source

Research of dynamic equilibrium of pear

open access: yes浙江大学学报. 农业与生命科学版, 2001
Dynamic equilibrium is critical aspect of fruit quality and ripeness. Dynamic equilibrium is determined according to sinusoid stress-strain. Pear fruit makes marked effects on dynamic modulus and phase position in different pre-load, active power and ...
LU Qiu-jun   +3 more
doaj   +1 more source

Do ecosystems have functions?

open access: yesEcology and Evolution, 2023
‘Ecosystem function’ and ‘ecosystem functioning’ became core keywords in the ecological literature on ecosystems, their structure, development and integrity.
Ulrich Krohs, Martin Zimmer
doaj   +1 more source

Home - About - Disclaimer - Privacy