نتایج جستجو برای: natural circulation

تعداد نتایج: 569108  

2010
Robert J. Allen Steven C. Sherwood

The equilibrium response of atmospheric circulation to the direct radiative effects of natural or anthropogenic aerosols is investigated using the Community Atmosphere Model (CAM3) coupled to two different ocean boundary conditions: prescribed climatological sea surface temperatures (SSTs) and a slab ocean model. Anthropogenic and natural aerosols significantly affect the circulation but in nea...

Air pollution is one of the most important natural hazards in cities that is one of the priorities of climate research.  In this research, synoptic situation of days polluted by ozone in Tehran have been studied and by environmental to circulation approach and cluster analysis. At first, was formed a matrix in 2417*41. Rows are indicated days and columns represent the number of stations. by clu...

ژورنال: مهندسی دریا 2006
زین الدینی, مصطفی, گلشنی, علی اصغر, ‌توفیقی, محمدعلی,

The Urmia Lake has distinctive nature, hydrodynamic and environmental properties that single out that from the other lakes in the world. Construction of Shahid Kalantari causeway can cause significant effects on natural regime of the lake. It may affect on environmental biology, hydraulic, water circulation regime and … . This paper deals with hydrodynamics of the lake. Two-dimensional s...

1999
Egidijus Kevelaitis Jacqueline Peynet Christian Mouas Jean-Marie Launay Philippe Menasché

Egidijus Kevelaitis, Jacqueline Peynet, Christian Mouas, Jean-Marie Launay and Philippe Preconditioning and Natural Hibernation? Opening of Potassium Channels : The Common Cardioprotective Link Between Print ISSN: 0009-7322. Online ISSN: 1524-4539 Copyright © 1999 American Heart Association, Inc. All rights reserved. is published by the American Heart Association, 7272 Greenville Avenue, Dallas...

2007
Katsumi Matsumoto

[1] The distributions of deep ocean DC data are often used to illustrate the rate of deep ocean circulation. The associated conventional C ages show a difference of 1000 years between the North Atlantic and the Southern Ocean and a difference of another 1000 years between the Southern Ocean and the North Pacific. These differences may be interpreted directly and mistakenly as the timescale of c...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2009
Kyle L Swanson George Sugihara Anastasios A Tsonis

Global mean temperature at the Earth's surface responds both to externally imposed forcings, such as those arising from anthropogenic greenhouse gases, as well as to natural modes of variability internal to the climate system. Variability associated with these latter processes, generally referred to as natural long-term climate variability, arises primarily from changes in oceanic circulation. ...

Journal: :Advanced Pharmaceutical Bulletin 2023

Although nanoparticles have many advantages as drug delivery systems, their poor stability in circulation, premature release, and nonspecific uptake non-target organs prompted biomimetic approaches to camouflage nano vehicles using natural cell membranes. Among them, which are extensively studied erythrocytes, the most abundant circulating blood cells. They specially used for coating on artific...

2005
Miquel Faig Belén Jerez

The observed low velocity of circulation of money implies that households hold more money than they normally spend. A natural explanation for this behavior is that households face uncertain expenditure needs, so they have a precautionary motive for holding money. We investigate the precautionary demand for money in a search model where households are subject to preference shocks. The model pred...

Journal: :Mathematical biosciences 2008
Hao Ge Hong Qian Min Qian

Applying the mathematical circulation theory of Markov chains, we investigate the synchronized stochastic dynamics of a discrete network model of yeast cell-cycle regulation where stochasticity has been kept rather than being averaged out. By comparing the network dynamics of the stochastic model with its corresponding deterministic network counterpart, we show that the synchronized dynamics ca...

Journal: :E3S web of conferences 2023

The article proposes a formula for calculating scheme viscosity, which manifests itself in calculations using implicit schemes the transfer of matter and momentum. study aims to substantiate structure viscosity mass momentum equation. As result study, solving equation was determined. accuracy checked on test example. It is substantiated that by all possible means, it necessary avoid when proble...

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