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Topic: Power vacuum


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In the News (Tue 29 Dec 09)

  
  Vacuum tube - Encyclopedia.WorldSearch   (Site not responding. Last check: 2007-10-09)
Vacuum tubes, or thermionic valves, are arrangements of electrodes in a vacuum within an insulating, temperature-resistant envelope.
Unlike transistors, vacuum tubes are inherently immune to the electromagnetic pulse effect of nuclear explosions.
Vacuum tubes are still used for specialised audio amplifiers, notably for electric guitar amplification, and for very high-powered applications such as microwave ovens, industrial radio-frequency heating, and power amplification for broadcasting.
encyclopedia.worldsearch.com /thermionic_valve.htm   (3103 words)

  
 Automobile ancillary power - Open Encyclopedia   (Site not responding. Last check: 2007-10-09)
The ultimate source of power for most of them is the automobile's main power source—normally an internal combustion engine of some kind—but some way of transferring power to the vehicle's ancillary systems is required.
Because of the varying electrical power available from such a generator as engine speed changed, the generator was not connected directly to a car's electrical systems but rather through a lead-acid battery which enabled a more constant, smoothed flow of power and a limited supply of that power even with the engine off.
Therefore, rather than being connected directly, "vacuum canisters" are sometimes used to smooth things out, also to have a vacuum 'reserve' on turbo charged engines where, when the turbo is active, exists no vacuum but an overpressure in the inlet manifold.
open-encyclopedia.com /Automobile_ancillary_power   (868 words)

  
 Power vacuum -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-10-09)
A power vacuum is an expression for a political situation that can occur when a government has no identifiable central authority.
For example, the war-torn nation of (A republic in extreme eastern Africa on the Somali Peninsula; subject to tribal warfare) Somalia is currently mired in a power vacuum of sorts, with no central government or president exercising control over the supposed "Republic of Somalia".
A power vacuum can also occur following a (Click link for more info and facts about constitutional crisis) constitutional crisis in which large portions of the government resign, creating unclear issues regarding (A group of people or things arranged or following in order) succession to positions of power.
www.absoluteastronomy.com /encyclopedia/p/po/power_vacuum.htm   (144 words)

  
 Vacuum Cleaners   (Site not responding. Last check: 2007-10-09)
Vacuum cleaners have to be rated in terms of two types of power - at least one, and that's not the engine power!
Often when you see vacuum cleaner ads you will learn about the engine power (in watts) and people will tend to relate that to the actual sucking power of the vacuum cleaner.
Nilfisk and Miele vacuum cleaners for instance are known to have high suction power compared to the "overall power" of the vacuum.
www.cleaning-guide.com /vacuum-cleaners.html   (706 words)

  
 Power vacuum political - Political impact of the war   (Site not responding. Last check: 2007-10-09)
Liberian power vacuum draws US in The lack of political ideas in Liberia means that neither Taylor nor his opponents can suggest any alternative to
The Political Intelligence Briefing is a report on significant political be faced with a power vacuum if elections are not actually held as scheduled.
This left a power vacuum that was filled by the Weimar Republic, However there were other political consequences of the war that may be less obvious.
www.infomany.com /ifmn/power-vacuum-political.htm   (221 words)

  
 PINR - Readjustment to American Weakness: Signs of a Power Vacuum
The second instance of readjustment to American power loss reported on June 24 was the decision by the United States not to seek a renewal from the U.N. Security Council of a grant of immunity for its military from prosecution in the International Criminal Court (I.C.C.).
At present, that readjustment is being driven by powers around the world that believe that their interest is to craft policies tailored solely to their own particular aims -- apart from American interest -- and perceive that they have the opportunity to do so.
The other powers do not have a shared model of world politics to replace American dominance; they have similar and sometimes competing interests in filling the vacuum that has appeared with the erosion of American power.
www.pinr.com /report.php?ac=view_printable&report_id=185&language_id=1   (1336 words)

  
 Power Vacuums Must be Filled, or Else
I think we are currently floundering in a power vacuum and if we or someone else doesn't fill that void quickly enough, not only can it be dangerous for us and our neighbors, it could be the end of civilization and culture as we know it.
Let's look at some prominent power vacuums and the disasters that befell subsequent to the void's creation and failure to be filled.
The power vacuum in the West was filled by the Roman Catholic church.
www.realtime.net /~rentner/Blog/B97335170/C1760035014/E12112714   (689 words)

  
 Primedia Training Store: Power Transformer Vacuum Dry-Out
Power transformers are the central components in most substations and are essential to the operation of transmission and distribution systems.
To ensure that power transformers provide long, trouble-free service, many inspections, tests, and other procedures are performed on them before they are brought on line and throughout their operational lifetime.
Vacuum Drying - Describe the basic principles of using a vacuum to dry a transformer; Describe how heat and vacuum can be used to dry a transformer.
www.newlearningcenter.pwpl.com /catalog/viewprod.asp?catID=427&deptID=33&prodID=5913   (256 words)

  
 Big Power Vacuum Cleaners Cost   (Site not responding. Last check: 2007-10-09)
The big power vacuum eliminates dust, cleans the air and mops the floor all by remote control.
Vacuum cleaners consume large amounts of electricity, so they had to invent a new kind of low-power vacuum...
Powerful cleaning in a compactunit is this Eureka vacuum cleaner's claim to fame.
www.dearmickey.com /big-power-vacuum-cleaners-cost.php   (649 words)

  
 How to Choose a Vacuum Cleaner - eHow.com
Vacuums that have them generally cost more, but they can be effective in removing a large percentage of pollens and mites from the air.
Choose the "bells and whistles" in terms of attachments, attachment caddies, power nozzles, indicators that tell if the bag is full, air freshener systems and self-propelled uprights.
Regardless of what the salesperson tells you, the number of amps a vacuum uses has nothing to do with the power of its motor.
www.ehow.com /how_5350_choose-vacuum-cleaner.html   (424 words)

  
 Kendrick Equipment Ltd. : Vac-All Service Inc.
Sand, gravel, wet or dry asphalt millings, even catch basins packed solid are no match for the vacuum power of Vac/All.
From to catch basin cleaning, to vacuuming debris left by asphalt milling machines _ from the lightest particulates, sand, cinders, rocks, leaves, water and sludge _ there is nothing on the market today that picksup more in less time than a Vac/All.
Powerful 16,500 CFM blower provides over 40% more power than competitive makes.
www.kendrickequipment.com /vacall.php   (449 words)

  
 Samsung Quiet Storm High Power 9049R Vacuum Review at Epinions.com   (Site not responding. Last check: 2007-10-09)
The vacuum head will not clean all the way to the edge, so after I've vacuumed the middles of the rooms, I have to take off the vacuum head, and go around all the edges of all the rooms I've just vacuumed, in essence, vacuuming twice.
Despite the fact that the vacuum won't pick up what I want it to, it has a frustrating habit of lunging voraciously at anything it shouldn't vacuum up; curtain hems, delicate furniture, dangling bedspreads, etc. The one thing I try to avoid vacuuming is the one thing it will seek out.
No, there is a cord attached to the head that has an overly tight clip in the middle of the hose pipe (it's such a nuisance that I usually don't bother with it and just leave the cord loose and flapping), and that cord plugs in to the hose handle.
www.epinions.com /content_34768195204   (1057 words)

  
 World Press Review - Pollution Turkey - Yatagan Power Plant
Worsening pollution and a spate of health problems are prompting a spirited citizens’ fight against one of Turkey’s largest coal-burning power plants, which has been spewing pollutants into the air over popular tourist resorts along the Aegean coast for more than two decades.
The power plant is situated on its outskirts.
Last year, the local court in Aydin, about 50 miles from Yatagan, ruled that the power station must cease operation because it did not have official permission to run.
www.worldpress.org /1001science1.htm   (824 words)

  
 Elgee Manufacturing Elizabeth NJ - Power Vacs and Sweepers, Roof Curbs and ATMs/CTMs
Elgee is a leader in walk behind self propelled and pushed power vacs (Billy Goat type litter vacs and Parker Scavenger walk-behind type debris vacs) that are powered by gasoline, propane, electricity or battery power sources.
The gasoline powered Elgee power vac and sweeper uses a Briggs and Stratton or Honda engine.
Visit our Power Sweeper and Power Vacuum site to learn more about our floor and carpet cleaning machines and debris/litter vac product lines; read about their applications and specs, and see brief movie clips demonstrating the power of the Power Vacs and Sweepers.
www.elgee.com   (561 words)

  
 kirby vacuum cord, kirby vacuum cleaner power cord
To keep your home clean and healthy be sure to change the vacuum cleaner bags in your Kirby vacuum cleaner more often when you are vacuuming fine particles of dirt and dust.
We hope your Kirby vacuum cleaner is running fine for you but if its time for you to look at a new vacuum cleaner please click here.
Our goal is to provide you with vacuum cleaner bags, HEPA filters and all other vacuum cleaner parts you may need at the lowest price in the world.
www.onlinevacshop.com /kirby_vacuum_cleaner_power_cord.html   (333 words)

  
 EIO Vacuum Power Head   (Site not responding. Last check: 2007-10-09)
Included as standard on the 'Estate' model and on optional accessory with the 'Cottage' and 'Family' models, the exclusive EIO Power Head delivers an amazing depth of cleaning capability.
Because it is powered by a high quality re-chargable battery, the Power Head does not draw electrical current from the principal operating system of the vacuum.
When the Power Head is switched to the 'on' position by means of a foot switch, it delivers a powerful brush churning action to vigorously agitate and withdraw caked material and other debris from carpets or other surfaces.
www.eio-vacuum.com /powerhead.html   (143 words)

  
 SPI Plasma Prep II Plasma Etcher User's Manual - SPI Supplies
Power, vacuum and RF switches should be off.
Advance the power level control until the meter is indicating 100maE and again rock the tuning control until a minimum is achieved.
Operating at lower levels of power is achieved by reducing the power level but maintaining a minimum with the tuning control.
www.2spi.com /catalog/instruments/plasma-prep-II-users-manual3.html   (935 words)

  
 Power Vacuum   (Site not responding. Last check: 2007-10-09)
Politically, a power vacuum is defined as a lack of power, or more specifically, lack of a single dominant power that is capable of keeping all lesser powers more-or-less in line.
If a vacuum is defined as a lack of particles, and a power vacuum is defined as a lack of power, then obviously particles are analogous to power.
They claim it is better to maintain power in all places at all times, never allowing a power vacuum to form in the first place.
www.secretgovernmentlabs.com /page/powervacuum   (518 words)

  
 Power Brake Assist Vacuum Pump
To connect the pump to the existing vacuum hose, remove the hose from the booster (leave it attached to the intake manifold).
If the engine stalls (manifold vacuum rises to ambient air pressure), and the key is still on, the pump provides all the vacuum.
The only time the pump comes on is when the vacuum is too low and then it helps the engine vacuum.
victorylibrary.com /mopar/pump-tech-c.htm   (1524 words)

  
 Conrad-Johnson MV-60 Vacuum Tube Power Amplifier Reviews
Power (ultralinear operation): 55 watts per channel from 30 Hz to 15 kHz at no more than 1% THD, both channels driven into 4, 8, or 16 Ohms.(when re-connected for the chosen load impedance)
Power (triode operation): 25 watts per channel from 30 Hz to 15 kHz at no more than 1.5% THD, both channels driven into 4, 8, or 16 ohms.
ATSI specializes in matched power and low noise small signal tubes for the audiophile, musician and hobbyist.
www.audioreview.com /A-V,Preamplifier/Conrad-Johnson,MV-60,Vacuum,Tube,Power,Amplifier/PRD_133678_2719crx.aspx   (671 words)

  
 The Daily Star Web Edition Vol. 5 Num 82   (Site not responding. Last check: 2007-10-09)
From George Marshall to John Foster Dulles to Henry Kissinger to Madeline Albright, every one in varying degrees was convinced that the existential American power had ensured global security, notwithstanding aberrant proxy wars and sometimes direct intrusion by the super powers, for more than fifty years of the Cold War period.
Besides, in the face of revanche de Dieu (revival of God) the transatlantic alliance, despite bruised ego and seemingly deep fractures, is being refurbished.
Despite Robert Kagan's belief that China aims in the near term to replace the US as dominant power in East Asia and in the long term to challenge America's global preeminence, political analysts do not believe that China would be able to achieve "peer competitive status" vis-à-vis the United States in the twenty first century.
www.thedailystar.net /2004/08/17/d40817150197.htm   (1354 words)

  
 MV45, MV45A, MV45A-1 Vacuum Tube Power Amplifiers   (Site not responding. Last check: 2007-10-09)
The MV45 vacuum tube power amplifier was designed for audiophiles who had moderately efficient speaker systems and for less efficient speakers systems if high listening levels were not required.
The MV45A-1 upgrade incorporated circuit revisions to reduce the impedance of the regulated power supplies for the voltage amplifier and inverter stages.
Power: 45 watts per channel, RMS, at 4, 8, or16 ohms with both channels driven from 30Hz to 15kHz with no more than 1% THD or IM Distortion
www.conradjohnson.com /It_just_sounds_right/a-mv45.html   (173 words)

  
 Premier One and One-b Vacuum Tube Power Amplifier   (Site not responding. Last check: 2007-10-09)
Uncommonly powerful for a tube amplifier at 200 watts per channel, the Premier One was identified by one leading audiophile publication as the best sounding power amplifier ever made to that time.
An enormous power supply with massive computer-grade electrolytic capacitance totaling 4000 micro-farads at more than 500 volts delivered startling deep and controlled bass response not achieved by any other vacuum tube power amp.
Despite its brute power, the Premier One remained very delicate at the highest frequencies yielding extended high frequency response uncommon in vacuum tube designs and with a remarkably three dimensional soundstage.
www.conradjohnson.com /It_just_sounds_right/a-pr1.html   (253 words)

  
 VACUUM TUBES: POWER OUTPUT FOR AUDIO, GUITAR AND GENERAL PURPOSE
Power transmitting tube made in China the high quality manufacturer Shuguang.
NOS Russian surplus stock vacuum tube, electron tube, power tube: Same as the "Sovtek" 6L6WGC which is the...
High-mu power triode for use in Class AB2, Class B, Class C RF, and audio amplifiers.
www.tubeman.com /cat13_1.htm   (851 words)

  
 Rainbow Vacuum Power Nozzle
Vacuum Cleaner Latch (includes spring and pin) This price is for 1...
Rainbow Vacuum Power Nozzle - Extension Cord for Power Nozzle $6.95Extension cord for the Rainbow
Rainbow Vacuum Power Nozzle - Belt $1.40Generic Rainbow power nozzle belt.
rainbow-vacuum-power-nozzle.blogspot.com   (2055 words)

  
 Reference 600MKIII Vacuum Tube Power Amplifier by Audio Research
Factory upgrades from MKI or MKII versions are now available; new small-signal tubes and power supply tubes are included in the update price, but new output tubes are additional cost as necessary.
POWER OUTPUT: 500 watts continuous at 16 ohms from 20Hz to 20kHz with less than 1% total harmonic distortion (typically less than.05% at 1 watt).
POWER REQUIREMENTS: 105–125VAC 60Hz (210–250VAC 50Hz) 1600 watts at rated output, 2200 watts maximum, 800 watts at idle, 300 watts standby.
www.audioresearch.com /ref600.html   (530 words)

  
 BAA 68-03-01 ENTITLED - RF VACUUM ELECTRONICS   (Site not responding. Last check: 2007-10-09)
The Vacuum Electronics Branch (Code 6840) of the Naval Research Laboratory (NRL) is seeking proposals for innovative technology base development in the broad area of RF vacuum electronics.
Topics of interest include, but are not limited to, (a) innovative high power device concepts; (b) advanced high-power electron optics and millimeter wave components technology; and (c) compact high gain, moderate power (100 W typical) millimeter wave technology.
Examples of topics include but are not limited to: (a) vacuum microelectronics, (b) reduced electron affinity concepts; (c) the development of high current density, long-lived thermionic cathodes, (d) secondary emission enhancement and control for cathodes in crossed field devices; and (e) improved collector design and materials, including methods to suppress secondary electron emission in collectors.
heron.nrl.navy.mil /contracts/0304baa/680301.htm   (755 words)

  
 AllRefer.com - Nepal - The Struggle for Power at Court | Nepalese Information Resource   (Site not responding. Last check: 2007-10-09)
The premature death of Pratap Singh Shah (reigned 1775-77), the eldest son of Prithvi Narayan Shah, left a huge power vacuum that remained unfilled for decades, seriously debilitating the emerging Nepalese state.
The struggle for power at the court had unfortunate consequences for both foreign affairs and for internal administration.
At home, because power struggles centered on control of the king, there was little progress in sorting out procedures for sharing power or expanding representative institutions.
reference.allrefer.com /country-guide-study/nepal/nepal20.html   (810 words)

  
 Beam Central Cleaning System, Central Vacuum, Beam Parts Service
The Beam power unit is the heart of the system.
Usually mounted in an attached garage or a basement storage room, the power unit is connected to wall inlet valves located throughout the home via PVC vacuum tubing.
Vacuumed dust and debris is forcefully sucked into the dirt receptacle that is located on the bottom of the power unit.
www.fryessc.com /doc/fssni.html   (380 words)

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