Linear system of divisors - Revision history

en>Monkbot: /* References */Task 3a: Fix CS1 deprecated coauthor parameter errors

2014-07-28T19:22:31Z

References: Task 3a: Fix CS1 deprecated coauthor parameter errors

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2014-01-24T17:11:50Z

References: Fix CS1 deprecated date parameter errors

← Older revision		Revision as of 19:11, 24 January 2014
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	~~== this hit ==~~		The '''pressure gradient force''' is the force which results when there is a difference in pressure across a surface. In general, a [[pressure]] is a force per unit area, across a surface. A difference in pressure across a surface then implies a difference in [[force]], which can result in an [[acceleration]] according to [[Newton's Law\|Newton's second law]], if there is no additional force to balance it. The resulting force is always directed from the region of higher-pressure to the region of lower-pressure. When a fluid is in an equilibrium state (i.e. there are no net forces, and no acceleration), the system is referred to as being in [[hydrostatic equilibrium]]. In the case of [[atmosphere]]s, the pressure gradient force is balanced by the gravitational force, maintaining hydrostatic equilibrium. In the [[Atmosphere of Earth\|Earth's atmosphere]], for example, air pressure decreases at increasing altitudes above the Earth's surface, thus providing a pressure gradient force which counteracts the force of gravity on the atmosphere.

	~~A damaged ship, but also~~ a ~~huge motionless ......~~<br><br>~~class humanoid finally hit over~~,~~[http://www.alleganycountyfair.org/_vti_cnf/rakuten_oakley_11.htm オークリー野球サングラス].~~<br><br>'bang bang bang!!!!' First around the ship around some ship debris, pieces knocked flying far away, around the ship around the flame, electric snake, light, etc. are also foes grind Pressure annihilation, ~~followed by such ancient humanoid creature~~ and ~~impact directly on the ship together, should be humanoid upper body and ancient ship impact, and is the first to hit the head.~~<br><br>~~Boom,[http://www~~.alleganycountyfair.org/_vti_cnf/rakuten_oakley_59.htm オークリーサングラス偏光レンズ]! ! ,[http://www.alleganycountyfair.org/_vti_cnf/rakuten_oakley_66.htm オークリーサングラス]! ,[http://www.alleganycountyfair.org/_vti_cnf/rakuten_oakley_57.htm オークリーサングラスレディース]! ,~~[http://www.alleganycountyfair.org/_vti_cnf/rakuten_oakley_62.htm オークリーサングラス交換レンズ]! !~~<br><br>~~terrible impact of the first moment,[http://www~~.~~alleganycountyfair.org/_vti_cnf/rakuten_oakley_50.htm オークリーサングラス取扱店]~~, so squeezing temporal fragmentation,[http://www.alleganycountyfair.org/_vti_cnf/rakuten_oakley_10.htm オークリーサングラス野球], open to squeeze in all directions, forming a terrible shock, shock waves. Outermost weak shock waves pass the first time out, followed by a devastating shockwave ...... is the area around the crash, it is simply a nightmare land, even the strongest of the universe,[http://www.alleganycountyfair.org/_vti_cnf/rakuten_oakley_77.htm オークリーゴルフサングラス], even the Xeon treasure, fear had to destroy!<br><br>~~this hit~~, ~~the power of unmatched~~		== Formalism ==
	~~相关的主题文章：~~		Consider a cubic parcel of fluid with a density <math>\rho</math>, a height <math>dz</math>, and a surface area <math>dA</math>. The mass of the parcel can be expressed as, <math>m = \rho \cdot dA \cdot dz</math>. Using Newton's second law, <math>F = m\cdot a</math>, we can then examine a pressure difference <math>dP</math> (assumed to be only in the <math>z</math>-direction) to find the resulting force, <math> F = - dP \cdot dA = \rho \cdot dA \cdot dz \cdot a</math>.
	<ul>

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	<li>~~[http://icsd.dlmu.edu.cn/plus/feedback.php?aid~~=~~187 http://icsd.dlmu.edu.cn/plus/feedback.php?aid~~=~~187]~~</~~li>~~

	~~</ul~~>

	~~== this moment ==~~		The acceleration resulting from the pressure gradient is then,

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	~~相关的主题文章：~~
	~~<ul>~~		The effects of the pressure gradient are usually expressed in this way, in terms of an acceleration, instead of in terms of a force. We can express the acceleration more precisely, for a general pressure <math>P</math> as,

	~~<li>~~[~~http~~:~~//tadezhihui.com/plus/feedback.php?aid=16385 http://tadezhihui.com/plus/feedback.php?aid=16385~~]~~</li>~~		<math> \vec{a} = \frac{-1}{\rho} \vec\nabla P</math>.

	~~<li>~~[~~http~~:~~//www.aiyingfang.cn/bbs/showtopic-971520.aspx http://www.aiyingfang.cn/bbs/showtopic-971520.aspx~~]~~</li>~~		The direction of the resulting force (acceleration) is thus in the direction of the most rapid change of pressure.

	~~<li>[http://www.sapmed.ac.jp/~tutumix/cgi-bin/webcal/webcal.cgi http://www.sapmed.ac.jp/~tutumix/cgi~~-~~bin/webcal/webcal.cgi]</li>~~		==References==

	~~</ul>~~		* Roland B. Stull (2000) ''Meteorology for Scientists and Engineers'', Second Edition, Ed. Brooks/Cole, ISBN 0-534-37214-7.

			[[Category:Fluid dynamics]]
			[[Category:Atmospheric dynamics]]


			{{climate-stub}}

en>Phil Boswell: convert dodgy URL to ID using AWB

2012-07-18T21:21:56Z

convert dodgy URL to ID using AWB

New page

== this hit ==

A damaged ship, but also a huge motionless ...... class humanoid finally hit over,[http://www.alleganycountyfair.org/_vti_cnf/rakuten_oakley_11.htm オークリー野球サングラス]. 'bang bang bang!!!!' First around the ship around some ship debris, pieces knocked flying far away, around the ship around the flame, electric snake, light, etc. are also foes grind Pressure annihilation, followed by such ancient humanoid creature and impact directly on the ship together, should be humanoid upper body and ancient ship impact, and is the first to hit the head. Boom,[http://www.alleganycountyfair.org/_vti_cnf/rakuten_oakley_59.htm オークリーサングラス偏光レンズ]! ! ,[http://www.alleganycountyfair.org/_vti_cnf/rakuten_oakley_66.htm オークリーサングラス]! ,[http://www.alleganycountyfair.org/_vti_cnf/rakuten_oakley_57.htm オークリーサングラスレディース]! ,[http://www.alleganycountyfair.org/_vti_cnf/rakuten_oakley_62.htm オークリーサングラス交換レンズ]! ! terrible impact of the first moment,[http://www.alleganycountyfair.org/_vti_cnf/rakuten_oakley_50.htm オークリーサングラス取扱店], so squeezing temporal fragmentation,[http://www.alleganycountyfair.org/_vti_cnf/rakuten_oakley_10.htm オークリーサングラス野球], open to squeeze in all directions, forming a terrible shock, shock waves. Outermost weak shock waves pass the first time out, followed by a devastating shockwave ...... is the area around the crash, it is simply a nightmare land, even the strongest of the universe,[http://www.alleganycountyfair.org/_vti_cnf/rakuten_oakley_77.htm オークリーゴルフサングラス], even the Xeon treasure, fear had to destroy! this hit, the power of unmatched
相关的主题文章：
<ul>

<li>[http://www.020dog.com/home.php?mod=space&uid=23896 http://www.020dog.com/home.php?mod=space&uid=23896]</li>

<li>[http://www.shiboyjy.com/plus/feedback.php?aid=150 http://www.shiboyjy.com/plus/feedback.php?aid=150]</li>

<li>[http://icsd.dlmu.edu.cn/plus/feedback.php?aid=187 http://icsd.dlmu.edu.cn/plus/feedback.php?aid=187]</li>

</ul>

== this moment ==

Animals born together from the moment they are destined to devour the need to fight each other,[http://www.alleganycountyfair.org/_vti_cnf/rakuten_oakley_51.htm オークリーサングラスレーダー], only the last one alive, so they can sense each other naturally,[http://www.alleganycountyfair.org/_vti_cnf/rakuten_oakley_74.htm オークリーサングラスカタログ], even after a far longer able to pass messages. When 摩罗撒 Luo Feng slavery was the moment, all the animals are sensitive to the community ...... originally 'Mo Luosa 'life partner of one of their volatility undergone dramatic changes. all community all understand the beast,[http://www.alleganycountyfair.org/_vti_cnf/rakuten_oakley_14.htm オークリーサングラスピットブル], Mo Luosa already enslaved! without language! without a message,[http://www.alleganycountyfair.org/_vti_cnf/rakuten_oakley_54.htm オークリー度付きサングラス]! this moment, all the animals were still alive sector rely on each other's sensors are identified in the far distant that 'Mo Luosa' has been enslaved, they are no longer partners,[http://www.alleganycountyfair.org/_vti_cnf/rakuten_oakley_22.htm サングラスケースオークリー], will be their real enemy. 'roar' Brady upward issued shrill, resentment roar. 'shouted one -' That took the ax is also bounded upward beast roar,[http://www.alleganycountyfair.org/_vti_cnf/rakuten_oakley_17.htm サングラスオークリー], the sound is full of anger,[http://www.alleganycountyfair.org/_vti_cnf/rakuten_oakley_22.htm サングラスケースオークリー], resentment, crazy. 'Roar!' 'Roar!' 'Roar,[http://www.alleganycountyfair.org/_vti_cnf/rakuten_oakley_28.htm オークリーサングラスオークション]!' 'Roar!'
相关的主题文章：
<ul>

<li>[http://tadezhihui.com/plus/feedback.php?aid=16385 http://tadezhihui.com/plus/feedback.php?aid=16385]</li>

<li>[http://www.aiyingfang.cn/bbs/showtopic-971520.aspx http://www.aiyingfang.cn/bbs/showtopic-971520.aspx]</li>

<li>[http://www.sapmed.ac.jp/~tutumix/cgi-bin/webcal/webcal.cgi http://www.sapmed.ac.jp/~tutumix/cgi-bin/webcal/webcal.cgi]</li>

</ul>