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Topic: Detailed balance


In the News (Sat 28 Nov 09)

  
  Method-Independent Effect in Testing for Detailed Balance in Ion Channel Gating -- The et al. 82 (4): 2275 -- ...
An ion channel in thermodynamic equilibrium is subject to the principle of detailed balance (microscopic reversibility).
The degree of violation of detailed balance is determined
The effects of non-identifiability on testing for detailed balance in aggregated Markov models for ion-channel gating.
www.biophysj.org /cgi/content/full/82/4/2275   (754 words)

  
  Detailed balance - Wikipedia, the free encyclopedia
A Markov process that satisfies the detailed balance equations is said to be a reversible Markov process or reversible Markov chain with respect to π.
Note that the detailed balance condition is stronger than that required merely for a stationary distribution.
Detailed balance is a weaker condition than requiring the transition matrix be symmetric, P
en.wikipedia.org /wiki/Detailed_balance   (279 words)

  
 Standardized Food Balance Sheets Notes   (Site not responding. Last check: 2007-10-30)
The reason for preparing standardized food balance sheets as opposed to detailed food balance sheets is firstly, to reduce the amount of data, and therefore the number of commodities involved, to a level and size more suited to analytical purposes.
The accuracy of food balance sheets, which are in essence derived statistics, is of course dependent on the reliability of the underlying basic statistics of population, supply and utilization of foods and of their nutritive value.
To overcome the former difficulty, estimates were prepared in FAO while the effect of the absence of statistics on stocks is considered to be reduced by preparing the food balance sheets as an average for a three-year period.
www.fao.org /waicent/faostat/agricult/fbs-e.htm   (1426 words)

  
 Listed below is a sample balance sheet of a simple corporation
Balance sheets can be prepared as often as desired but most companies will prepare them monthly for use by managers and at least annually for use by persons outside of the organization such as bankers and tax authorities.
Land is usually the first capital asset listed on the balance sheet because it is not amortized (this is because its useful life is unlimited).
For example if a company earned $10,000 of net income in year 1 and $15,000 of net income in year 2, the retained earnings balance would be $10,000 at the end of year 1 and $25,000 at the end of year 2.
www2.mtroyal.ab.ca /~wirvine/webcoursesept6/samplebs.htm   (2264 words)

  
 CoffeeGeek - Balance Brewers - Comparisons with Similar Devices
With balance brewers, left to brew on their own, you don't control this variable - the device does, and it decides when to kill the flame and force the kick down (or more accurately, kick sideways) for your brewed coffee.
With vac pots (including balance brewers), hot water and steam is sent through the siphon constantly during the brew phase, delivering perfect temperature stability for extraction.
Another boon for the balance brewers is the use of all metal filters - no paper to prevent the best flavour oils and colloids from getting back to the kettle and to your cup.
www.coffeegeek.com /proreviews/detailed/balancebrewers/comparisons   (1281 words)

  
 Detailed balance   (Site not responding. Last check: 2007-10-30)
is said to obey detailed balance; the stationary distribution is then often also called the equilibrium distribution.
The intuitive meaning of detailed balance is that the balance between the probability of `leaving' a state
Detailed balance then says that there is no net current in any of the wires, whereas stationarity only requires that the total current flowing into any state
www.mth.kcl.ac.uk /~psollich/StatMechNN/node6.html   (149 words)

  
 5331.0 - Balance of Payments and International Investment Position, Australia, Concepts, Sources and Methods, 1998
The ABS policy is to balance the requirements of timeliness with those of accuracy, in order to provide good quality statistics appropriate to the information need as soon as they are available.
Details of the data sources and methods used to compile balance of payments and international investment position statistics are given in the next chapter.
The general policy adopted for the Australian balance of payments and international investment position statistics is to take every practical opportunity to incorporate more accurate information into the estimates for every period.
www.abs.gov.au /ausstats/abs@.nsf/66f306f503e529a5ca25697e0017661f/e9c691f2f20c4c87ca25697e0018fd0d!OpenDocument   (1596 words)

  
 A Beginner's Guide to the Balance Sheet
The outline supplies the information that is needed to assemble and analyze an accurate and detailed balance sheet.
Liquidity is shown in the current section of the balance sheet by examining current assets and current liabilities.
Current liabilities are debts to be paid within the period between balance sheets (Table 5.) If the balance sheet is quarterly, the current portion of our liabilities, or $50,000, must be paid within the next quarter.
edis.ifas.ufl.edu /FE153   (2786 words)

  
 Sirlin.net -- Your source of shocking insights on game design
Some games end up balanced through sheer coincidence, such as the fighting game Marvel vs. Capcom 2, which is “accidentally a very good game.” Somewhere in Japan, there is a very lucky stable of monkeys who managed to type up Hamlet, or perhaps a screenplay to The Seven Samurai.
The solution is that Guilty Gear XX 1) has a game system that gives all characters equal access to an unusually large number of safeguards and abilities and 2) each character has some set of unique abilities that stray further from the standard template than they would in most other fighting games.
I think that’s the secret of capturing both diversity and balance, or at least one effective method of reaching the holy grail: a robust, shared system of defense with diverse and unique attacks for each character/race/side.
www.sirlin.net /Features/feature_GameBalancePart2.htm   (2528 words)

  
 EnergyIdeas.org - HVAC SYSTEM BALANCING: When is the best time to perform the air ba... - Energy Efficiency - Utility ...
A detailed balance is often done before occupancy because it is much easier to do measurements when the building is unoccupied.
However, a detailed air balance should be performed after the building equipment is installed and the building is fully occupied so that potential problem areas may be identified.
Balancing after occupancy gives a more accurate result because all the internal loads that are present in a large office may have a significant effect on the balance, particularly if one zone has higher occupancy or equipment loads (computer room or auditorium for example) than other zones.
www.energyideas.org /topics/default.cfm?s_qmr=20&s_qob=title&o=h,t,ts,f,fs,ds&c=h,t,3,f,1,3458   (760 words)

  
 State General Fund
The state’s projected ending fund balance for this biennium is now at $228.6 million and that’s after a December 14-15 Special Session that obligated $196.8 million to K-12 education and two retirement systems.
Legislature ended in April, 2005, it was with an estimated $76 million ending fund balance for the 2007 biennium.
More specifically, there was the budgeted $76 million original ending balance for this biennium, plus the $135 million of unanticipated 2005 biennium revenue, plus the updated additional revenue to be collected in this biennium of $253 million plus another $12.2 million in additional reversions.
www.mympea.org /GenFund.htm   (417 words)

  
 Money Market Accounts High Yield Checking Saving Accounts Online   (Site not responding. Last check: 2007-10-30)
After all deductions and adjustments have been made, if your balances are positive, an earnings credit is computed on investable balances using a rate equal to the monthly average of the weekly 91-day Treasury Bill discount rate minus 0.5%.
Negative balances are calculated at a rate of Zions Base Rate plus 2% for uncollected funds and Zions Base Rate plus 8.5% for ledger balance overdrafts that may be included in the services analyzed portion of the statement.
Detailed monthly account statements as well as a consolidated statement of activity are provided on a monthly basis.
www.zionsbank.com /cashmgt_account_management.jsp?leftNav=bf_corpservice&topNav=bfinance   (1026 words)

  
 Detailed Balance
Because it is precisely detailed balance which leads us to expect zero current in equilibrium, the spurious equilibrium current is a measure of the violation of this condition.
Another way to view the problem of detailed balance in a completely quantum-mechanical context is to note that the equilibrium distribution should satisfy the Bloch equation (6.102).
The connection between detailed balance and reversibility or Hermiticity suggests the following conjecture: that it is impossible to exactly satisfy both detailed balance and the stability condition (irreversibility) in a model with a finite number of degrees of freedom (such as a bounded, discrete model).
www.utdallas.edu /dept/ee/frensley/technical/opensyst/node26.html   (1109 words)

  
 Vew-Do Balance Boards
Because the human body is inherently designed to be in a natural and sub-consciously balanced state, balance training has long been an ignored training protocol for many athletes.
The common theory being, "if it ain't broke, I don't need to fix it." But balance and agility can quickly dissolve as soon as an athlete begins to move through their sport-specific movements and outside forces, self-movement and the environment create instability.
Try balancing on a Vew-Do Balance Board while dribbling a basketball, catching a baseball, throwing a football, bouncing a soccer ball off your head, etc. As your skill progresses, challenge yourself even further using kettlebells, resistance bands, medicine balls or whatever is required to perform your chosen sport.
www.vew-do.com /vewdo_sports_fitness_balance_training.html   (605 words)

  
 Balance Check - Do You Have any Early Signs of Disease?
The key to prevention or treatment of disease is to restore balance.
Balance should be restored to regain the health and vitality that you once had and to help prevent disease.
Proper balance is the key to a long and healthy life filled with vitality.
www.mindxpansion.com /balance   (330 words)

  
 ABREMA: glossary: audit approach
When an auditor plans to gather evidence of the completeness, validity or accuracy of a particular account balance, without detailed examination of underlying classes of transaction, the approach for that account balance assertion is referred to as a non in-depth approach.
The extent of an in-depth approach relating to a particular account balance assertion depends on the quantity and quality of evidence required by the auditor to form an opinion as to the extent of misstatements in the account balance.
If the auditor plans, in relation to a particular account balance assertion, extensive reliance on controls over management's accounting information system, the approach for that account balance assertion is referred to as a systems approach; where some reliance is planned, a part systems approach; and where no reliance is planned, a substantive (or verification) approach.
www.abrema.net /abrema/audit_approach_g.html   (1264 words)

  
 Gerassimos Orkoulas
The random selection of a particle ensures that the so-called principle of detailed balance is satisfied at all times.
However, strict detailed balance is not necessary for Monte Carlo simulations to converge to equilibrium.
In addition, strict detailed balance poses difficulties in parallel implementations of Monte Carlo simulations.
www.chemeng.ucla.edu /Orkoulas/research.html   (531 words)

  
 [No title]
Detailed balance is an extremely very useful guiding principle, because it leads us to generate a valid set of transition probabilities while considering them only a pair at a time.
Detailed balance could be used to specify all the transition probabilities, but the problem with this scheme is that it again requires us to specify all transition probabilities beforehand; it is not a just-in-time approach.
Instead, each state is accepted with a probability that ensures that the overall transition probability is, via detailed balance, consistent with the desired limiting distribution.
www.eng.buffalo.edu /~kofke/ce530/Text/Markov.doc   (1666 words)

  
 INI : Abstracts : PDS : What happens to detailed balance away from equilibrium?   (Site not responding. Last check: 2007-10-30)
The principle of detailed balance puts a number of constraints on the stochastic dynamics of any system that is ergodic, microscopically reversible, and in an equilibrium state.
If work is done to drive such a system out of equilibrium, it will, in many cases, remain ergodic, microscopically reversible, and in a statistically steady (albeit non-equilibrium) state.
By studying how such conditions give rise to the constraints of detailed balance at equilibrium, we can apply the same principles to derive a non-equilibrium counterpart to detailed balance, applicable to a wide sub-class of driven steady states, and investigate the consequences for activated processes.
www.newton.cam.ac.uk /programmes/PDS/evans.html   (123 words)

  
 JCE 2004 (81) 1206 [Aug] Principle of Detailed Balance in Kinetics
JCE 2004 (81) 1206 [Aug] Principle of Detailed Balance in Kinetics
The chemical monomolecular triangle reaction is used to illustrate the importance of the principle of detailed balance.
The simultaneous rate equations for this reaction are solved using Mathematica to show the effect that different choices of rate constants has on the changes in concentrations of the three isomers with time.
jchemed.chem.wisc.edu:8000 /journal/Issues/2004/Aug/abs1206.html   (205 words)

  
 ABN AMRO Pakistan - Balance and Transaction Services   (Site not responding. Last check: 2007-10-30)
This means that you not only need up-to-date balance and transaction information, but also that you need to be able to access that information 24 hours a day.
At the heart of BTS is the Balances screen, which shows intraday and end-of-day balances for a period of up to 3 months previously.
Details of the individual transactions are obtainable by a single mouse click, as they are with the Transactions screen.
www.abnamro.com.pk /gts/bts.htm   (803 words)

  
 [No title]   (Site not responding. Last check: 2007-10-30)
Of course, with 20 possible prisms, we can represent the conditions of detailed balance by a 400-element matrix:  EMBED Equation  Here we have labeled the regions according to the initial and final Boltzmann categories as well as the sign of the z-component of spin, which ranges over  EMBED Equation .
The condition of detailed balance is that this matrix must be symmetric, so we will call this  EMBED Equation  matrix the “balance matrix”, to avoid confusion with the transfer matrix, which is  EMBED Equation .
Another way to visualize the detailed balance condition is to consider the transitions of a given prism.
www.cbu.edu /~bbbeard/thesis/App_E.doc   (1475 words)

  
 SWEP specialises in detailed soil balance analysis using the Mikhail system   (Site not responding. Last check: 2007-10-30)
SWEP is one of the first independent agricultural testing laboratories in Australia and continues to set the standard for this industry sector.
Detailed Soil Balance tests, together with detailed advice and recommendations, are available as either Standard or Complete.
Water testing with varying levels of detail for "Irrigation, Livestock and Farm water", "Hydroponic solutions", "Aquaculture" and "Industrial or Municipal effluent".
www.swep.com.au /about.htm   (249 words)

  
 Abstract for Dr. Mervin Hanson   (Site not responding. Last check: 2007-10-30)
You are familiar with the Principle of Detailed Balance from General Chemistry.
Detailed Balance follows almost immediately from the Principle of Microscopic Reversibility.
Detailed Balance guarantees that the equilibrium state is stable.
www.humboldt.edu /~chem_dpt/events/hanson.html   (296 words)

  
 UNIVERSITY GUIDE TO SERVICES - Chief Financial Officer
Each balance sheet account includes the balance at the beginning of the reporting period, the transaction detail, a total for current month activity, and an ending balance.
It should be remembered that revenue transactions may not relate to current cash transactions posted to the Balance Sheet account 1000 in that revenue may be earned and posted prior to the actual receipt of cash.
As with the Balance Sheet, the detail of revenue transactions are preceded by a Beginning Balance and followed by Current Month and Year-To-Date totals.
www.ou.edu /aa/reports.htm   (1896 words)

  
 52 Pa. Code § 23.64. Data required in filing increases in operating revenues.
(1) A detailed balance sheet of the carrier at the end of a month not more than 45 days prior to such filing.
(4) A statement showing passenger motor vehicles owned at the date of the balance sheet required by paragraph (1), setting forth the make, date of purchase, the cost of each vehicle, the depreciation accrued on each vehicle and the basis for allocation of depreciation to interstate or intrastate operations, or both, if applicable.
(5) A statement of operating income derived from passenger transportation, setting forth the operating revenues and expenses by detailed accounts, by months, for the 12-month period which ended on the date of the balance sheet referred to in paragraph (1).
www.pacode.com /secure/data/052/chapter23/s23.64.html   (665 words)

  
 INI : Abstracts : PDSW02 : Ageing without detailed balance: The bosonic contact and pair-contact processes   (Site not responding. Last check: 2007-10-30)
Ageing phenomena and scaling behaviour have been considered in many systems with detailed balance such as simple magnetic systems.
Therefore it is an interesting question to extend these studies to systems without detailed balance, a paradigmatic example of which are reaction-diffusion systems.
In recent numerical investigations in a specific system of this type dynamical scaling behaviour was found and in turned out, that an equality between two critical exponents, known from systems with detailed balance, does not hold true any more.
www.newton.cam.ac.uk /programmes/PDS/Poster2/baumann.html   (306 words)

  
 Enerdata: detailed energy balance by country
An energy balance is a strategic tool to understand the energy market shares of a given market.
Enerdata is the only one to provide energy balances for any energy markets in the world (country or region) and for any year from 1970 until last year.
GlobalStat© provides balances for all energies and per energy for 185 countries.
www.enerdata.fr /enerdatauk/statistics/statdata/energy_balances.html   (132 words)

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