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Topic: Intensity


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In the News (Sun 22 Nov 09)

  
  Intensity   (Site not responding. Last check: 2007-11-06)
Intensity is a measure of the time averaged energy flux.
To find the intensity, take the energy density (that is, the energy per unit volume) and multiply it by the velocity at which the energy is moving.
Where I is the intensity at the surface of the sphere, and r is the radius of the sphere (note: enclosed in parentheses is the expression for the surface area of a sphere).
www.bidprobe.com /en/wikipedia/i/in/intensity.html   (337 words)

  
 Earthquake Shaking Intensity
In general, intensities are largest close to the earthquake and decrease with distance from the earthquake and thus provide a means of locating and comparing the size of shallow earthquakes.
One aspect of intensity that is difficult to quantify is the effect of the near-surface geology on the intensity of seismic shaking.
The subjective nature of intensity measurements, their dependence on building practices, population distribution, earthquake depth, etc. lead seismologists to develop the magnitude scale, which is based on measurements from seismograms.
eqseis.geosc.psu.edu /~cammon/HTML/Classes/IntroQuakes/Notes/intensity.html   (1540 words)

  
 Luminous intensity - Wikipedia, the free encyclopedia   (Site not responding. Last check: 2007-11-06)
Luminous intensity is a measure of the energy emitted by a light source in a particular direction.
In 1881, Jules Violle proposed the Violle as a unit of luminous intensity, and it was notable as the first unit of light intensity that did not depend on the properties of a particular lamp.
It is worth noting that luminous intensity and other derived quantities are not objective physical quantity but depends on the physiology of the human eye, especially its sensitivity to light of different wavelengths.
en.wikipedia.org /wiki/Luminous_intensity   (187 words)

  
 Encyclopedia: Capital intensity
Since the use of tools and machinery makes labor more effective, rising capital intensity (or "capital deepening") pushes up the productivity of labor, so a society that is more capital intensive tends to have a higher standard of living over the long run than one with low capital intensity.
With the emphasis on raising capital intensity, diminishing returns were hit; the Soviet Union's weak ability to use new technologies meant that this problem was not solved in the same way as in the rich Western countries.
This controversy points out that measure of capital intensity is not independent of the distribution of income, so that changes in the ratio of profits to wages lead to changes in measured capital intensity.
www.nationmaster.com /encyclopedia/Capital-intensity   (938 words)

  
 Intensity   (Site not responding. Last check: 2007-11-06)
The intensity of color is the number fixing the propotion of the amount of light for the highest ability of source.
When the efficiency of source is not known, then the intensity is generally measured by the amount of power on solid angle or on unit of surface (as on lumination).
In RGB model the intensity of color is defined as a propotion of the length of vector in the Euclidean meaning from the point (0,0,0) to the point (r,g,b) to the highest length of such vector.
semmix.pl /color/models/emo173.htm   (609 words)

  
 Earthquake Intensity
Intensity ratings are expressed as Roman numerals between I at the low end and XII at the high end.
The Intensity Scale differs from the Richter Magnitude Scale in that the effects of any one earthquake vary greatly from place to place, so there may be many Intensity values (e.g.: IV, VII) measured from one earthquake.
Intensities typically increase close to an earthquake's epicenter, allowing seismologists to interpret maps such as this for the general location of historical earthquakes.
www.seismo.unr.edu /ftp/pub/louie/class/100/mercalli.html   (468 words)

  
 Quake: Predictive Intensity Maps
Intensity is a measure of the effects of earthquakes.
Intensity is not the same as magnitude, although it is influenced by earthquake magnitude.
Intensity is also influenced by distance from the fault, ground conditions, and, sometimes, directivity.
quake.wr.usgs.gov /study/strongmo/boatseek   (280 words)

  
 Bodybuilding.com - Increasing Intensity Articles!
Intensity is a very broad expression, and can be explained in terms of many measures such as a percentage of maximum heart rate, maximum oxygen consumption, or performing until physical failure takes place.
Intensity techniques are among the greatest weapons in your arsenal for building a truly astonishing physique.
Intensity techniques allow you to push beyond conventional failure in order to work your muscles harder, providing an irresistible stimulus for the muscles to get larger and stronger.
www.bodybuilding.com /fun/bbinfo.php?page=Intensity   (959 words)

  
 Introduction to the Earthquake Intensity Database
Earthquake intensities are numerical values assigned to the effects of earthquakes on people and their works, and on the natural environment.
Intensities are evaluated using the Modified Mercalli Intensity Scale of 1931, which contains levels of effects ranging from intensity I, barely perceptible, to intensity XII, total damage.
Earthquake intensity information is a unique and valuable data source for the research seismologist, the structural engineer, the actuary, and the earth science instructor.
www.ngdc.noaa.gov /seg/hazard/intintro.shtml   (2874 words)

  
 Inverse Square Law for Sound
The sound intensity from a point source of sound will obey the inverse square law if there are no reflections or reverberation.
A plot of the drop of sound intensity according to the inverse square law emphasizes the rapid loss associated with the inverse square law.
It's intensity in decibels can be calculated by comparing the intensity to the threshold of hearing.
hyperphysics.phy-astr.gsu.edu /hbase/acoustic/invsqs.html   (132 words)

  
 Bodybuilding.com - Big Cat - I.C.E. Program #4 - A Question Of Intensity!   (Site not responding. Last check: 2007-11-06)
If you aim to keep intensity high, nothing gets the job done as a bellowing maniac screaming insults in your ear as you crank out your last reps. Nothing is as satisfying as being able to squeeze out more reps, knowing that you are safe with someone to aid you.
I usually teach people intensity the proper way, meaning that as soon as they are properly warmed up (1 or 2 light sets) they should jump in to their Heaviest weight for the desired number of reps for a working set.
The intensity is enormous, the rewards are there shortly, often times in the form of extra striation and cuts.
www.bodybuilding.com /fun/ice4.htm   (6122 words)

  
 Ground Motion & Intensity
They paid particular attention to the effect of the surficial geology on the intensity of the ground motion; in general, the intensities were greater in the major river valleys and the regions of thick alluvium, compared to other sites at similar epicentral distances.
Fortunately, Gutenberg and Richter (1956) published all of their intensity and ground motion data, so that it is possible to compare their California earthquake data with that of the Illinois earthquake of November 9, 1968.
If MM intensity VII is taken as the threshold of structural damage, then, from Figure 6, it corresponds to a particle velocity of about 10 mm/sec (vertical component of motion at a hard-rock recording site).
www.eas.slu.edu /New_Earthquake/Nuttli.1973/Relations.html   (1398 words)

  
 Intensity Alternatives   (Site not responding. Last check: 2007-11-06)
Intensity Alternatives: The consultants have also recommended three conceptual alternatives of development intensity.
Alternative A approximates the intensity in central Kirkland; Alternative C approximates the intensity of downtown Bellevue; Alternative B is similar to downtown Olympia.
These intensity alternatives can be matched with any of the plan alternatives; for example, Plan A could be developed at intensity 1, 2 or 3.
www.ci.lynnwood.wa.us /Content/Business.aspx?id=167   (98 words)

  
 INTENSITY FORECASTS AND FORECAST PROCEDURES
Intensity forecast procedures vary between forecast agencies both in what parameters are emphasized and how the forecasts are developed.
According to Sheets (1990), intensity forecasts are developed at NHC using empirical synoptic pattern recognition, satellite and aircraft data, and two statistical models, SHIFOR (Jarvinen and Neumann, 1979) and SHIPS (DeMaria and Kaplan,1994), the latter still being classified as an experimental model.
The intensity forecast has a mean absolute error of approximately 11 kt at 24 hours, 18 kt at 48 hours, and 24 kt at 72 hours (see Table 6.3).
www.nrlmry.navy.mil /~chu/chap6/se600.htm   (1214 words)

  
 Light Intensity Measurements in Poultry Houses
The measured intensity relationship within a light source between footcandles and photons is proportional and linear.
It becomes apparent that in a practical measurement situation where light intensity is equalized in footcandles for incandescent and any other alternative light source, a higher light intensity in photons (M/sec/m2) will be observed in the incandescent than any of the other light sources.
If intensities are equalized in terms of footcandles, these results demonstrate that some of the energy efficient light sources can reduce actual light intensity in photon energy by approximately 50% if incandescent light sources are replaced.
www.ces.ncsu.edu /depts/poulsci/tech_manuals/light_intensity_measurements.html   (732 words)

  
 Sound Intensity
The usual context is the measurement of sound intensity in the air at a listener's location.
To assess sound loudness, as distinct from an objective intensity measurement, the sensitivity of the ear must be factored in.
Since audible sound consists of pressure waves, one of the ways to quantify the sound is to state the amount of pressure variation relative to atmospheric pressure caused by the sound.
hyperphysics.phy-astr.gsu.edu /hbase/sound/intens.html   (493 words)

  
 Physics 20: Characteristics of Sound - Intensity
The intensity of sound is a measure of the average rate of sound energy flow per unit area across a surface perpendicular to the direction of propagation.
Explain that the intensity of a sound, as well as its duration, determine the extent of hearing damage that could occur from it.
Also, the ear is responsive to sound intensities over a range of about 14 orders of magnitude (but roughly a 25% increase in intensity is required to perceive a change).
www.sasked.gov.sk.ca /docs/physics/u5c12phy.html   (1290 words)

  
 PNNL Global Energy Technology Strategy Project (GTSP): Research Programs - Energy Intensity   (Site not responding. Last check: 2007-11-06)
Energy intensity improvements therefore accounted for cumulative emissions reductions of 22 billion metric tons of carbon in the U.S. alone over this period.
Scenarios of the future in which energy intensity improvement is the largest single source of emissions reduction anticipate a continuation of such relationships throughout the 21st century.
The goal of the deep dive in energy intensity is to explore that assumption-to decompose aggregate energy intensity improvements and assess the conditions necessary to attain assumed levels of reference scenario energy-intensity improvements and to accelerate this trend over century time scales.
www.pnl.gov /gtsp/research/intensity.stm   (391 words)

  
 Light Intensity and Photosynthesis.
As light intensity increases, the photosynthetic rate is being limited by certain factors, such as carbon dioxide and temperature.
As light intensity increases further, so the rate of photosynthesis is being limited by other factors more and more, until the rate of photosynthesis is constant, and so is almost certainly limited in full by another factor.
This is because a higher light intensity involves a greater level of light energy, which can then be transferred to a special protein environment designed to convert the energy.
www.coursework.info /i/65331.html   (574 words)

  
 Trends in U.S. Carbon Intensity and Total Greenhouse Gas Intensity   (Site not responding. Last check: 2007-11-06)
From 2002 to 2003, the greenhouse gas intensity of the U.S. economy fell from 684 to 668 metric tons per million 2000 dollars of GDP (2.3 percent), continuing a trend of decreases in both carbon intensity (see figure at right) and total greenhouse gas intensity.
The carbon intensity of the economy can largely be decomposed into two basic elements: (1) energy intensity, defined as the amount of energy consumed per dollar of economic activity; and (2) carbon intensity of energy supply, defined as the amount of carbon emitted per unit of energy.
This has meant that over the second half of the 20th century economic growth was less tied to growth in energy demand than it was during the period of industrialization in the 19th and early 20th century.
www.eia.doe.gov /oiaf/1605/ggrpt/trends.html   (573 words)

  
 Intensity   (Site not responding. Last check: 2007-11-06)
Intensity of a wave is power per unit area.
This difference is reflected in the measurement of the intensity or the power.
Since the measurement of sound level was given in the problem, the distance from the window was not necessary.
www.scientia.org /cadonline/physics/sound/intensity.asp   (210 words)

  
 Forget the Fat-Burn Zone
As explained in the nearby FAQ (Low intensity aerobics?), high intensity aerobics burns the same amount of fat as low intensity, but the expenditure of calories is substantially greater; plus, intense aerobics produces a higher level of fitness.
The intensity in the first protocol (70% of V0 max) did not stress anaerobic components (lactate production and oxygen debt) and, therefore, it was predictable that anaerobic capacity would be unchanged.
The intensity of the short intervals was initially fixed at 60% of the maximal work output in 10 seconds, and that of the long bouts corresponded to 70% of the individual maximum work output in 90 seconds.
www.cbass.com /FATBURN.HTM   (1518 words)

  
 Couch Potatoes Overestimate Exercise Intensity
To arrive at their findings, researchers evaluated the frequency, intensity, and duration of activity among inactive adults and then compared the findings with the participants' logs of their physical activity.
Exactly why adults may overestimate the intensity at which they exercise is not fully understood, but Duncan says "it is hard for most adults who have not exercised for some time to gauge the intensity of their activity," he says.
While any physical activity is better than none at all, higher levels of exercise intensity are better for the heart, so that's why getting a person to gradually build up to a higher intensity level may lead to the greatest health benefits, Duncan says.
my.webmd.com /content/article/34/1728_88597   (387 words)

  
 High Intensity Strength Training
A high intensity of effort is characterized by performing each exercise to the point of momentary muscular failure, or MMF.
Because it is necessary to train with an extreme level of intensity, it is not possible to utilize a high volume of sets and exercises.
In almost all cases, one per exercise is sufficient provided that the intensity is high enough.
www.angelfire.com /pa2/damato   (815 words)

  
 Amazon.com: Books: Intensity   (Site not responding. Last check: 2007-11-06)
This is basically a two-character novel, and both principals are compelling: the spirited Chyna, a youngish psychology student, and her nemesis, homicidal maniac Edgler Vess, who revels in sensation, be it pain or pleasure?in the intensity of experience.
I finished reading Intensity a few days ago, it is a very good book that has you holding your breath through a lot of it.
Anyway, Intensity is a fantastic read with MANY thrilling scenes especially in the last 1/3 of the book.
www.amazon.com /exec/obidos/tg/detail/-/0783816782?v=glance   (1893 words)

  
 Analysis of President Bush's Climate Change Plan
A new climate change strategy for the United States announced by President Bush on February 14, 2002, sets a voluntary "greenhouse gas intensity" target for the nation, expands existing programs encouraging companies to voluntarily report and reduce their greenhouse gas emissions, and proposes increased federal funding for climate change science and technology development.
Theoretically a GHG intensity target can lead to a net reduction in emissions, but only if it is sufficiently stringent.
Prior experience has shown that despite the existence of a range of voluntary government programs to encourage early reductions, despite significant actions by individual companies, and despite improvements in greenhouse gas intensity, emissions continue to rise as these gains are outpaced by economic expansion, changing consumer preferences, and population growth.
www.pewclimate.org /policy_center/analyses/response_bushpolicy.cfm   (1489 words)

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