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Design For Manufacturability
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When was DFM Engineering created?
DFM Engineering was created in 1979.
What does dfm and Phil mean after a doctors name?
Diploma in Forensic Medicine
What kind of fuel is needed to power the ship the USS Cole?
The USS Cole, like all gas-turbine powered US Navy ships can use a number of fuels, among them JP-5, F-76 and DFM.
Physical designing in VLSI?
"Physical design" part in the VLSI flow starts from the floorplanning and ends at tapeout of GDSII file. It includes, floorplanning, power planning, placement, clock tree synthesis, routing, post routing optimizations, physical verification, DFM, DFY, SI Analysis, IR drop analysis, Signoff.
Do stock markets open on weekends?
Saturday Bangladesh India UAE Lebanon Saudi Arabia Sunday Bahrain Egypt Jordan Israel Oman Pakistan Qatar UAE - Abu Dhabi Securities Market (ADSM) and Dubai Financial Market (DFM) Kuwait Palestine Bangladesh India Lebanon Saudi Arabia
What is a product design?
Any product example it may be in cunsumer goods, industries etc if they need to launch a new product they need to design a product. the product design consists of cocept to DFM(design for Manufactring). Once the cocept designer come up with a rough design,the product prototype is build with all the product fuctinality finally the product is build as per the product design. From the product design we can know the all the study about product and its functionality
How the black hole began?
First, it starts out as a pinhole, then it starts to get smaller and smaller and later it explodes, ripping through space and it's time continuum creating a giant hole, it starts sucking up light getting more and more energy, if you got sucked in, you would die because all that pressure and energy inside it could destroy anything that goes inside it. There is little agreement. Black holes have however now been found at the centre of all galaxies, in various states of activity. In astronomy they are termed Active Galactic Nuclii (AGN's). The accrete matter from the disc and, eject it on a perpendicular axis (centreline of the electromagnetic toroid (donut). If very active these outflows are 'quasar' jets. If all galactic material has been devoured the AGN is spent and the ejected material will start to rotate bodily on the new perpendicular axis (DFM theory). This rotation would then be the start of a new black hole at it's centre. Smaller ones may be at Stellar Scale, as 'neutron stars' after a supernova. (see the core of the Crab nebula)
How much fuel does an aircraft carrier have?
Modern nuclear aircraft carriers (of which both the US and France have deployed) are powered by 2 nuclear reactors. In general, they have enough nuclear fuel rods on board to keep running for about 20-25 years. However, many other aircraft carriers are conventionally powered, and run on ordinary fuel oil. The amount of fuel oil on board varies widely, though most have a minimum range of 10,000 nm at a standard cruising speed. Long-range "fleet" carriers of world war two (the USS Essex class being the best example) typically had enough fuel oil to cruise at 15 knots (half of top speed) for around 20,000 nm. In addition to fuel for the ship itself (for propulsion and to generate power to run the ship's equipment), all aircraft carriers need to carry avgas for the aviation units. Once again, the amount varies by the size, design, and era of the carrier, and is generally tailored to meet the fuel consumption requirements for the expected aircraft carried. The USN Nimitz class, for example, carries around 3 million gallons of aviation gas, which gives it somewhere around two weeks of continuous air operations.
Emergency airway puncture?
DefinitionEmergency airway puncture is insertion of a hollow needle into the airway done to treat life-threatening choking.Alternative NamesNeedle cricothyrotomyDescriptionIn an emergency situation, when someone is choking and all other efforts to assist with breathing have failed, a hollow needle or tube can be inserted into the throat, just below the Adam's apple (cricoid cartilage).In a hospital setting, a small cut in the skin is made before inserting the needle.Why the Procedure Is PerformedA cricothyrotomy is recommended as an emergency procedure to relieve an airway obstruction until surgery can be done to place a breathing tube (tracheostomy).RisksRisks for any surgery are:BleedingInfectionAdditional risks include trauma to the voice box (larynx), thyroid gland, and esophagus, and perforation (tearing) of the lungs and other body parts in the chest, leading to a collapsed lung and air collecting around the heart.After the ProcedureEmergency airway puncture (cricothyrotomy) can be quite effective in temporarily relieving an airway obstruction, but it must quickly be replaced by a more effective means of ventilation.Outlook (Prognosis)What happens will depend on the cause of the airway obstruction and how quickly the person receives a better means of ventilation.See: TracheostomyReferencesGoldenberg D, Bhatti N. Management of the impaired airway in the adult. In: Roberts JR, Hedges JR. Clinical Procedures in Emergency Medicine. 4th ed. Philadelphia, Pa: Saunders Elsevier; 2004: chap 106.Rubin M, Sadovnikoff N. Pediatric airway management. In: Tintinalli JE, Kelen GD, Stapczynski JS, Ma OJ, Cline DM, eds. Emergency Medicine: A Comprehensive Study Guide. 6th ed. New York, NY: McGraw-Hill; 2004: chap 15.Thomas SH, Brown DFM. Foreign bodies. In: Marx J. Rosen's Emergency Medicine: Concepts and Clinical Practice. 6th ed. St. Louis, Mo: Mosby Elsevier; 2006: chap 57.
Acute upper airway obstruction?
DefinitionAn acute upper airway obstruction is a blockage of the upper airway, which can be in the trachea, voice box (laryngeal), or throat (pharyngeal) areas.Alternative NamesAirway obstruction - acute upperCauses, incidence, and risk factorsCauses of acute upper airway obstruction include:Allergic reactions in which the trachea or throat swell closed, including allergic reactions to a bee sting, peanuts, antibiotics (penicillin), and blood pressure medications (ACE inhibitors)Chemical burnsand reactionsCroupEpiglottitis(infection of the structure separating the trachea from the esophagus)Fire or burns from breathing in smokeForeign bodies -- such as peanuts and other breathed-in foods, pieces of a balloon, buttons, coins, and small toysViral or bacteria infectionsPeritonsillar abscessRetropharyngeal abscessThroat cancerTracheomalaciaTraumaVocal cord problemsSymptomsSymptoms vary depending on the cause, but some symptoms are common to all types of airway blockage. They include:Agitation or fidgetingBluish color to the skin (cyanosis)Changes in consciousnessChokingConfusionDifficulty breathingGasping for airPanicUnconsciousnessWheezing, crowing, whistling, or other unusual breathing noises indicating breathing difficultySigns and testsPhysical examination may show:Decreased breath sounds in the lungsRapid, shallow, or slowed breathingTests are usually not necessary, but may include:BronchoscopyLaryngoscopyX-raysTreatmentIf the person has a complete obstruction and is unable to speak or breathe, the Heimlich maneuver may be lifesaving.Treatment depends on the cause of the blockage.Objects stuck in the airway may be removed with a laryngoscope or bronchoscope.A tube may be inserted into the airway (endotracheal tube or nasotracheal tube).Sometimes an opening is made directly into the airway (tracheostomy or cricothyrotomy).Expectations (prognosis)Prompt treatment is often successful. However, the condition is dangerous and may be fatal, even if treated.ComplicationsInability to relieve the obstruction can cause:Brain damageBreathing failureDeathCalling your health care providerAirway obstruction is an emergency. It is a good idea to learn how to clear an airway of a foreign body by using a method such as the Heimlich maneuver.Diseases in which airway obstruction develops over a period of hours will allow time to get to a hospital. If an acute airway obstruction occurs, call 911 or your local emergency number for medical help. Do what you can to maintain breathing until medical help arrives.PreventionPrevention depends on the cause of the upper airway obstruction.The following methods may help prevent an obstruction:Eat slowly and chew food completely.Don't drink too much alcohol before or while eating.Keep small objects away from young children.Make sure dentures fit properlyReferencesManno M. Pediatric respiratory emergencies: upper airway obstruction and infections. In: Marx J, ed. Rosen's Emergency Medicine: Concepts and Clinical Practice. 6th ed. Philadelphia, Pa: Mosby Elsevier; 2006: chap 166.Thomas SH, Brown DFM. Foreign bodies. In: Marx J, ed. Rosen's Emergency Medicine: Concepts and Clinical Practice. 6th ed. Philadelphia, Pa: Mosby Elsevier; 2006: chap 57.
What oscillates in electromagnetic waves?
In a medium the wave 'signal' is transmitted by particle polarisation and atomic scattering, at a rate subject to Fresnel's refraction coefficient 'n'. Between those particles, and in a vacuum, nobody really knows. It used to be the 'luminiferous ether', but it's light transmitting properties were 'removed' as a 'stipulation' of the Special Theory of Relativity, (STR) which said motion and speed was only relative and could not be 'in relation to any 'background''. This was done to explain the constancy of light speed (CSL) with respect to moving receivers. Many have pointed out it's logical inconsistency (giving rises to paradoxes), but no alternative theory explaining CSL has yet replaced it. The only one available so far is the discrete field model (DFM), suggesting light changes speed locally to 'c' at each receiver (complying with 'n'). This allows the 'quantum field' (ex 'ether') back, resolves the paradoxes and explains the anomalies, but the STR is a 'ruling paradigm', which are almost impossible to change with current scientific thinking.
Choking - adult or child over 1 year?
DefinitionChoking is when someone can't breathe because food, a toy, or other object is blocking the airway (throat or windpipe). Alternative NamesHeimlich maneuver - adult or child over 1 yearConsiderationsA choking person's airway may be completely or partially blocked, so that not enough oxygen reaches the lungs. A complete blockage is a medical emergency. A partial blockage can quickly become life threatening if the person cannot properly breathe in and out.Without oxygen, permanent brain damage can occur in as little as 4 - 6 minutes. Rapid first aid for choking can save a life.Occasionally an object will enter the lung. While the person may appear to improve and breathe normally, in a few days symptoms may develop, such as:Persistent coughPneumoniaWheezingCausesEating too fast, failing to chew food well enough, or eating with improperly fitted denturesDrinking alcohol (even a small amount of alcohol affects awareness)Being unconscious and breathing in vomited materialBreathing in small objects (young children)Trauma to the head and face (swelling, blood, or a deformity can cause choking)SymptomsThe universal distress signal for choking is grabbing the throat with the hand.Other danger signs include:Bluish skin colorDifficulty breathingInability to speakLoss of consciousness if blockage is not clearedNoisy breathing or high-pitched sounds while inhalingWeak, ineffective coughingFirst AidHow to perform the Heimlich maneuver:First ask, "Are you choking? Can you speak?" DO NOT perform first aid if the person is coughing forcefully and able to speak -- a strong cough can dislodge the object.Stand behind the person and wrap your arms around the person's waist.Make a fist with one hand. Place the thumb side of your fist just above the person's navel, well below the breastbone.Grasp the fist with your other hand.Make quick, upward and inward thrusts with your fist.Continue these thrusts until the object is dislodged or the victim loses consciousness.IF THE PERSON LOSES CONSCIOUSNESSLower the person to the floor.Call 911 -- or tell someone to call 911.Begin CPR.If you see something blocking the airway, try to remove it.FOR PREGNANT OR OBESE PEOPLEWrap your arms around the person's CHEST.Place your fist on the MIDDLE of the breastbone between the nipples.Make firm, backward thrusts.After removing the object that caused the choking, keep the person still and get medical help. Anyone who is choking should have a medical examination. Complications can occur not only from the choking, but also from the first aid measures that were taken.Do NotDO NOT interfere if the person is coughing forcefully, able to speak, or is able to breathe in and out adequately. However, be ready to act immediately if the person's symptoms worsen.DO NOT try to grasp and pull out the object if the person is conscious.Call immediately for emergency medical assistance ifSeek medical help right away if you find someone unconscious.When the person is choking:Tell someone to call 911 or the local emergency number while you begin first aid/CPR.If you are alone, shout for help and begin first aid/CPR.After the object is successfully dislodged, the person should see a doctor because complications can arise.In the days following a choking episode, contact a doctor immediately if the person develops:Persistent coughPneumoniaWheezingThese could be signs that the object entered the lung instead of being expelled.PreventionEat slowly and chew food thoroughly.Make sure dentures fit properly.Don't drink too much alcohol before or during eating.Keep small objects away from young children.ReferencesManno M. Pediatric respiatory emergencies: upper airway obstruction and infections. In: Marx J, ed. Rosen's Emergency Medicine: Concepts and Clinical Practice. 6th ed. Philadelphia, Pa: Mosby Elsevier; 2006: chap 166.Thomas SH, Brown DFM. Foreign bodies. In: Marx J, ed. Rosen's Emergency Medicine: Concepts and Clinical Practice. 6th ed. Philadelphia, Pa: Mosby Elsevier; 2006: chap 57.Hauda WE II. Pediatric cardiopulmonary resuscitation. In: Tintinalli JE, Kelen GD, Stapczynski JS, Ma OJ, Cline DM, eds. Emergency Medicine: A Comprehensive Study Guide. 6th ed. New York, NY: McGraw-Hill; 2004:chap 14.
