Encyclopedia results for Vacuum (disambiguation)

1. Vacuum (disambiguation)
   In physics, Vacuum can refer to Vacuum , the absence of matter. Vacuum state in quantum mechanics. Suction ... perfect vacuum . Vacuum , in different contexts, can also refer to Vacuum cleaner , a home appliance ..
   
   
   
2. Vacuum
   wiktionary otheruses This vacuum means absent of matter for the cleaning appliance, see vacuum cleaner . A vacuum is a volume of space that is essentially empty of matter , such that its gaseous pressure ..
   
   
   
3. Vacuum engineering
   Vacuum engineering deals with technological processes and equipment that use vacuum to achieve better results than those run under atmospheric pressure . The most widespread applications of vacuum technology ..
   
   
   
4. Vacuum sewer
   Vacuum sewers were first installed in Europe in 1882 but until the last 30 years it had been relegated ... vacuum sewerage was the Dutch engineer Liernur in the second half of the 19th century. It was only ..
   
   
   
5. Vacuum chamber
   Image Vacuum chamber being opened by engineer.jpeg thumb right A large vacuum chamber. A vacuum chamber is a rigid enclosure from which air and other gases are removed by a vacuum pump . The resulting ..
   
   
   
6. Vacuum manifold
   Distinguish Manifold vacuum In quantum field theory , the vacuum state may be degenerate . Each pure vacuum state generates its own superselection sector . The space of all pure vacuum states often has ..
   
   
   
7. Vacuum pouches
   Deleted image removed Image Vacuum pouches.jpg Vacuum pouches are used in conjunction with vacuum packaging ... products, such as meat and poultry, seafood, produce and cheese. Vacuum pouches are also used to keep ..
   
   
   
8. Vacuum switch
   Orphan date May 2007 Prior to effective engine computers, engine vacuum was used for many functions in an automobile . Vacuum switches were employed to regulate this flow, and were commonly controlled ..
   
   
   
9. Vacuum grease
   Orphan date November 2006 Vacuum grease is a lubricant with low volatility and is used for applications ... pressure difficult. In electronics manufacturing processes, vacuum grease is often used to prevent ..
   
   
   
10. Vacuum splint
    A vacuum splint is a device like a small vacuum mattress that is used in emergency medicine as a temporary splint . Vacuum splints operate by extracting air from the splint itself to enable the thousands ..
    
    
    
11. Vacuum packing
    Vacuum packing is a method of storing food and presenting it for sale. Appropriate types of food are stored ... . The vacuum environment removes atmospheric oxygen, protecting the food from spoiling ..
    
    
    
12. Vacuum breaker
    A vacuum breaker is an attachment commonly placed on a bibcock valve or Flush toilet toilet or urinal ... system. This prevents contamination should the public water system s pressure drop. A vacuum breaker ..
    
    
    
13. False vacuum
    In quantum field theory , a false vacuum is a metastable sector of space which appears to be a perturbation theory perturbative vacuum but is unstable to instanton effects which may quantum tunnelling ..
    
    
    
14. Vacuum cementing
    Vacuum cementing or vacuum welding is the natural process of solidifying small objects in a hard vacuum ... of the Ranger Moon Pictures Page 4 references lunar dust vacuum welding http ntrs.nasa.gov ..
    
    
    
15. Vacuum fryer
    A Vacuum fryer is a deep frying device originally developed for potato chip production. Vacuum fryers ... available. With vacuum frying it is easier to maintain natural colors and flavours of the finished ..
    
    
    
16. Vacuum fusion
    Orphan date November 2006 Vacuum fusion is an analytical chemistry technique, used for determining the oxygen ... metals alkali or earth metals , vacuum fusion remains a viable means when applied to almost all other ..
    
    
    
17. Vacuum massage
    Vacuum massage is a type of therapeutic massage which is used for body sculpting, cellulite reduction ... of this massage is realized by means of vacuum that causes the local rush of blood and lymph to skin ..
    
    
    
18. Vacuum solution
    A vacuum solution is a solution of a field equation in which the sources of the field are taken to be identically zero. For example, in Maxwell s theory of electromagnetism , a vacuum solution would represent ..
    
    
    
19. Vacuum cleaner
    Image Vacuum cleaner.jpg right thumb Canister vacuum cleaner for home use. A vacuum cleaner in colloquial British English also hoover ref In United Kingdom Britain Hoover has become so associated with vacuum ..
    
    
    
20. Vacuum polarization
    In quantum field theory , and specifically quantum electrodynamics , vacuum polarization describes a process ... In quantum physics , if we expand about the perturbation theory perturbative vacuum , i.e., the ground ..
    
    
    
21. Vacuum flask
    Otheruses4 the vacuum insulated flask the flask used in filtration under vacuum BÃ chner flask Image ... 197 Celsius . A vacuum flask is a Container vessel which keeps its contents hotter or cooler than ..
    
    
    
22. Vacuum distillation
    image Vacuum distillation of DMSO at 70C.jpg thumb Dimethyl sulfoxide usually boils at 189 Â C. Under a vacuum, it distills off into the connected receiver at only 70 Â C. Vacuum distillation is a method ..
    
    
    
23. Vacuum consolidation
    Vacuum consolidation or vacuum preloading is a soft soil improvement method that has been successfully ... not necessarily require surcharge fill and vacuum loads of 80kPa or greater can, typically, be maintained ..
    
    
    
24. Vacuum pump
    of a vacuum pump A vacuum pump is a device that removes gas molecules from a sealed volume in order to leave behind a partial vacuum . The vacuum pump was invented in 1650 by Otto von Guericke . Types ..
    
    
    
25. Vacuum brake
    The vacuum brake is a brake braking system used on train s. It was first introduced in the mid 1860s and a variant, the automatic vacuum brake system became almost universal in British train equipment ..