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Topic: Boundary


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  Boundary (Stanford Encyclopedia of Philosophy)
On closer inspection, the spatial boundaries of physical objects are imaginary entities surrounding swarms of subatomic particles, and their exact shape and location involve the same degree of arbitrariness as those of a mathematical graph smoothed out of scattered and inexact data (or those of the figures of an impressionist painting).
For boundaries of the fiat sort a de dicto account suggests itself naturally: insofar as the process leading to the definition of a boundary may not be precise, the question of whether something lies inside or outside the boundary may be semantically indeterminate.
Boundaries cannot exist in isolation from the entities they bound, though there may be disagreement as to whether this ontological dependence is generic (a boundary cannot exist except as a boundary of something) or specific (the boundary of something cannot exist except as a boundary of that thing) (Brentano 1976; Chisholm 1984).
plato.stanford.edu /entries/boundary   (5762 words)

  
 The World Taekwondo Federation
The position of the 1st Judge shall be marked at a point 0.5m from the corner of boundary line #1 and boundary line #2.
The position of the 4th Judge shall be marked at a point 0.5m from the corner of boundary line #4 and boundary line #1.
The position of the Recorder shall be marked at a point 2m back from boundary line #1 facing the Competition Area 2m adjacent to the corner of boundary line #1 and boundary line#2.
www.wtf.org /site/rules/competition.htm   (3596 words)

  
  Chicxulub and the Cretaceous Tertiary Boundary
The K-T boundary separates the age of the reptiles and the age of the mammals, which was first recognized over one hundred years ago by geologists who realized that there was a dramatic change in the types of fossils deposited on either side of this boundary.
This boundary also separates two of the three eras of the Phanerozoic (see time scale at left), which is the time in earth history that began with the origin of complex life and extends to the present.
The abbreviation for the boundary between the Cretaceous and Tertiary periods is the K-T boundary, where K is the abbreviation for the German form of the word Cretaceous.
www.lpl.arizona.edu /SIC/impact_cratering/Chicxulub/Chicx_title.html   (476 words)

  
 Boundary County Comprehensive Plan ~ Chapter 2
Boundary County Road and Bridge is currently in the process of adopting a proposed set of road construction standards to set minimum standards for major collectors, minor collectors and local access roads, as well as set approach standards, utility placement, drainage, signage, guardrail and mailbox placement and other standards.
Developers in Boundary County establishing commercial or industrial uses or who are seeking to establish multiple-family residential developments shall include in their application measures to be taken to mitigate the danger of fire, to include proposed fire suppression systems, and which shall include participation in the Boundary County Fire Safe Program.
Boundary County’s rural lifestyle is a valued asset, and it is the desire of the people of Boundary County to live within a sparsely populated, relatively undeveloped agricultural community surrounded by an unspoiled wooded countryside.
www.boundarycountyid.org /planning/compplan/plan_drft/ch2implement.htm   (3583 words)

  
 Boundary Layer
The details of the flow within the boundary layer are very important for many problems in aerodynamics, including wing stall, the skin friction drag on an object, and the heat transfer that occurs in high speed flight.
For lower Reynolds numbers, the boundary layer is laminar and the streamwise velocity changes uniformly as one moves away from the wall, as shown on the left side of the figure.
The effects of the boundary layer on lift are contained in the lift coefficient and the effects on drag are contained in the drag coefficient.
www.grc.nasa.gov /WWW/K-12/airplane/boundlay.html   (785 words)

  
 Boundary Conflicts and Preventive Diplomacy
Borders refers to the area surrounding a boundary, and frontier is the area where two states meet in interests and penetration, while not necessarily with an agreed territorial limit for their aspirations.
A boundary conflict is over a boundary line that, as a minimum, is defined, or in the process of being defined, by the parties, by implicit consent or explicit agreement.
In 1998, finally, the parties were able to conclude a comprehensive boundary agreement, defining the boundary in the new disputed areas, creating a nature park along the border, allowing non-sovereign access for Ecuador to the upper tributaries of the Amazon, and providing for joint development of the isolated border area.
wwics.si.edu /subsites/ccpdc/pubs/zart/ch2.htm   (7148 words)

  
 International Boundary Commission   (Site not responding. Last check: )
The boundary vista must be entirely free of obstruction and plainly marked for the proper enforcement of customs, immigration, fishing and other laws of the two nations.
The boundary from the source of the St. Croix River to the St. Lawrence was surveyed from 1843 to 1847, and through the Great Lakes from 1817 to 1824.
The boundary survey from Lake of the Woods to the Red River Settlement was completed in the winters of 1872 and 1873 and the balance to the mountains in the summers of 1873 and 1874.
www.internationalboundarycommission.org /ibcpg2.htm   (2395 words)

  
 Wind-US User's Guide - Boundary Conditions
Proper specification of the flow boundary conditions is aided by a basic understanding of characteristic theory of the incoming and outgoing waves normal to the boundary.
The use of implicit boundary conditions with an implicit solver is known to improve the stability of the method and lead to faster convergence at the expense of greater computational effort and complexity.
boundary condition may be used for internal flows at boundaries where subsonic flow is leaving the computational domain, such as at the exit plane of an inlet, diffuser, or auxiliary flow duct.
www.grc.nasa.gov /WWW/winddocs/user/bc.html   (3003 words)

  
 Chapter 330 — Boundary Changes; Mergers
The district boundary board shall have jurisdiction over all school districts in the county and over all joint districts, the administrative offices of which are in the county.
The district boundary board shall complete all action on a request or petition for boundary change or a merger required under ORS 330.101 within 100 days of the date of receipt of the request or petition if the boundary change or merger requested or petitioned lies totally within the jurisdiction of that board.
However, if the boundaries of the enlarged school district are the same as the boundaries of the county, the official name of the enlarged school district shall be ______ (name of county) County School District.
www.leg.state.or.us /ors/330.html   (5053 words)

  
 Boundary Layers
We define the thickness of this boundary layer as the distance from the wall to the point where the velocity is 99% of the "free stream" velocity, the velocity in the middle of the pipe or river.
As the boundary layer thickness becomes greater, so the velocity gradient become smaller and the shear stress decreases until it is no longer enough to drag the slow fluid near the surface along.
At points very close to the boundary the velocity gradients become very large and the velocity gradients become very large with the viscous shear forces again becoming large enough to maintain the fluid in laminar motion.
www.cartage.org.lb /en/themes/Sciences/Physics/Mechanics/FluidMechanics/RealFluids/BoundaryLayers/BoundaryLayers.htm   (2263 words)

  
 Boundary Behavior
If the boundary is merely an obstacle implanted within the medium, and if the dimensions of the obstacle are smaller than the wavelength of the wave, then there will be very noticeable diffraction of the wave around the object.
In that unit, it was mentioned that the passage of the energy from the incident medium into the transmitted medium was accompanied by a change in speed and wavelength.
In the case of a pulse crossing the boundary from a less dense medium into a more dense medium, the speed and the wavelength are both decreased.
www.glenbrook.k12.il.us /gbssci/phys/class/refrn/u14l1a.html   (871 words)

  
 Proposed Boundary Changes
Boundaries for the schools will be changed in preparation for the opening of new buildings in the fall of 2008.
The BSD Large Boundary Committee is composed of parent representatives, principals from affected schools, area directors, central office administrators and three Board members from the BSD Board of Trustees.
The Individual School Boundary Committees are specific to each affected school and consist of the school's principal and representative parents and representative teachers.
www.boiseschools.org /bus/boundaries/changes.html   (599 words)

  
 Boundary Standards
Boundary Assurance is a non-survey alternative which can be used by BIA, Tribes, and BLM for the purpose of assuring the boundary location either prior to or after a transaction and resource activity.
The Boundary Assurance process is the result of the latest innovative and advanced boundary management techniques, supported by automated survey and land records, photography, mapping, and computer software, which provides the BIA or Tribe with sufficient detail to satisfy their boundary management requirements.
While it is true that the Boundary Assurance process cannot furnish the kind of detail that would be available through an official survey, it is, as already noted, sufficiently specific and detailed to satisfy the BIA or Tribe's boundary management requirements in many cases.
www.blm.gov /cadastral/truststd/trust.htm   (1773 words)

  
 AeroNet: Fluid Dynamics: Boundary Layers
According to this principle, the boundary layer can be defined as the area close to the airplane where the airflow’s velocity goes from zero to the surrounding airspeed.
By sucking the air from the boundary layer, the flow is forced to follow the curvature of the airfoil, thus delaying the transition into turbulent flow.
Since turbulent flows are chaotic and relatively low in kinetic energy due to their loss in momentum, a pump near the middle of the airfoil blows out a uniform jet of high pressure air onto the surface of the airfoil.
library.thinkquest.org /25486/english/fluid/boundary.shtml   (531 words)

  
 Seattle City Light | Boundary Project
Discover the Boundary Hydroelectric Project nestled in the foothills of the Selkirk Mountains and situated along the banks of the scenic Pend Oreille (pronounced "pond-ah-ray") River.
Boundary Dam, which is nestled in the foothills of the Selkirk Range, arches between two massive rock cliffs.
Boundary's six giant turbines sit in an enormous limestone cavern connected to the outside world by numerous tunnels and passageways.
www.seattle.gov /light/tours/boundary   (497 words)

  
 Boundary Examination - Mycoted
The problem boundary is the notional 'container', which separates highly relevant features (inside the boundary) from less relevant ones (outside the boundary).
It is easy for the area outside the boundary to become ignored ‘background’.
The aim is not necessarily to change the position of the boundary but rather to understand more clearly how the wording of the problem is affecting our assumptions about the boundary.
www.mycoted.com /Boundary_Examination   (261 words)

  
 Boundary Canyon - Zion National Park - Canyoneering
The technical section of canyon begins at the boundary of Zion National Park and if you haven't figured it out yet that is how the canyon received its name.
Boundary Canyon is a refreshing, lush and green slot canyon that is worth the effort to visit.
A Zion Backcountry Permit is not required for this route because the technical section is outside of Zion National Park.
www.climb-utah.com /Zion/boundary.htm   (320 words)

  
 November 06 Boundary Proposals
After the boundary proposals are presented, those in attendance will be invited to comment either verbally or in writing.
The boundary committee was formed by the Superintendent and charged to use the Board-adopted guidelines and criteria to develop a proposal for adjusting the current high school attendance boundaries within the metropolitan Bakersfield area to accomplish the following:
Complete boundaries at least one year in advance of implementation so students will be able to plan for any school boundary changes.
www.kernhigh.org /boundary/november-06-boundary-proposals.htm   (1003 words)

  
 NSCBC Boundary Conditions   (Site not responding. Last check: )
Consider a boundary such that normal direction n is perpendicular to face and s,r direction are tangential to boundary.
While at the boundary, flow equations are solved using Finite-difference formulation and are solved for actual variables on boundary face (see figure 1).
When boundary is aligned with one of axis and interior cells are lying in curvilinear direction normal to boundary face, then $1d$ stencil can be used to compute normal derivatives of variables.
www.ae.uiuc.edu /~mparmar/nscbc.html   (1246 words)

  
 Boundary Waters Canoe Area Wilderness Vacation Ely Minnesota BWCA
This Minnesota resort is located in the Boundary Waters Canoe Area Wilderness and offers some of the best canoeing, cross country skiing and most unspoiled wilderness in the world.
Northern Minnesota is home to the famous Boundary Waters Canoe Area Wilderness the largest canoeing wilderness in the United States.
The BWCA - Boundary Waters Canoe Area Wilderness of northeastern Minnesota and the Quetico Provincial Park of Ontario, Canada consists of more than two million acres of International border lakes that are interconnect by portages, and canoe trails, which Voyageurs crossed hundreds of years ago.
www.grandelylodge.com /editorials/bwcaw.html   (521 words)

  
 Seattle City Light | Boundary Project
Discover the Boundary Hydroelectric Project nestled in the foothills of the Selkirk Mountains and situated along the banks of the scenic Pend Oreille (pronounced "pond-ah-ray") River.
Boundary Dam, which is nestled in the foothills of the Selkirk Range, arches between two massive rock cliffs.
Boundary's six giant turbines sit in an enormous limestone cavern connected to the outside world by numerous tunnels and passageways.
www.cityofseattle.net /light/tours/boundary   (497 words)

  
 Boundary Canyon - Zion National Park - Canyoneering
The technical section of canyon begins at the boundary of Zion National Park and if you haven't figured it out yet that is how the canyon received its name.
Boundary Canyon is a refreshing, lush and green slot canyon that is worth the effort to visit.
A Zion Backcountry Permit is not required for this route because the technical section is outside of Zion National Park.
climb-utah.com /Zion/boundary.htm   (320 words)

  
 Boundary conditions
If the Dirichlet boundary conditions are given only at the end points, an extrapolated boundary routine can be used to compute the values at a ghost boundary.
Periodic boundary conditions are different from the others, because information is needed at both ends, while other boundary conditions need information at only one end.
Another simple method to treat periodic boundary conditions is to perform the copying from one end to the other only when both ends have patches.
www.cs.ucsb.edu /~shengtai/AMR/1D/html/node5.html   (610 words)

  
 Atmospheric Boundary Layer Structure
The boundary layer from sunset to sunrise is called the nocturnal boundary layer.
The analysis of the boundary layer structure is not usually that straightforward in the case of low pressure.
The undulations of the top of the convective boundary layer are due to thermals rising to the free atmosphere and clearer air sinking to the CBL.
lidar.ssec.wisc.edu /papers/akp_thes/node6.htm   (608 words)

  
 Boundary Behavior
In Unit 10 of The Physics Classroom, the boundary behavior of a pulse on a rope was discussed.
The end of the tube represents a boundary between the enclosed air in the tube and the expanse of air outside of the tube.
That is, a portion of the energy carried by the sound wave will pass across the boundary and out of the tube (transmission) and a portion of the energy carried by the sound wave will reflect off the boundary, remain in the tube and travel in the opposite direction (reflection).
www.glenbrook.k12.il.us /gbssci/phys/Class/sound/u11l3c.html   (1142 words)

  
 K-T Boundary Bed, Hell Creek Formation
Quoting from Retallack (1996), the 'impact bed' is "one centimeter thick, gray, smectitic, and layered, with shocked quartz and an iridium anomaly." This layer is not acid-leached as the underlying layer was, and it probably settled-out of the atmosphere over a longer period of time, thereby avoiding the prolonged effects of acid-rainfall.
This rock formation boundary is, for all practical purposes, arbitrary, and was defined in the early part of this century as "the lowest persistent bed of lignite" that is above the highest in-place dinosaur (Calvert, 1912; Brown, 1952).
Paleocene erosion of the iridium-containing boundary clay layer is probably the most likely culprit, although the effects of burrowing animals (called "bioturbation") during the earliest Paleocene also could destroy any sign of the clay layer.
www.scn.org /~bh162/k-t_boundary.html   (900 words)

  
 Boundary Functions
Boundary Functions is realized as a set of lines projected from overhead onto the floor which divide each person in the gallery from one another.
The title of the piece, Boundary Functions, refers to Theodore Kaczynski's 1967 Phd thesis at the University of Michigan.
Better known as the Unabomber, Kaczynski is a pathological example of the conflict between the individual and society - the conflict and compromise of engaging in society versus solitude and individuality uncompromised by the thoughts or presence of others.
www.snibbe.com /scott/bf/index.htm   (437 words)

  
 Boundary Bay Airport - Vancouver BC - Home
Located just 30 minutes from downtown Vancouver, Boundary Bay Airport is one of Canada's busiest airports with approximately 200,000 takeoffs and landings every year.
The airport is owned by the Corporation of Delta who transferred the operational responsibility for the airport to Alpha Aviation Inc. on December 1, 2004.
On February 22nd, members of the Alpha Aviation team and regulars from the Skyhawk Restaurant at the Boundary Bay Airport surprised long time airport supporter Gordon Huff with an 85th birthday cake.
www.czbb.com   (207 words)

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