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what are rocker arms?

Current automotive design favors rocker arm ratios of about 1.5:1 to 1.8:1.

what are rocker arms?

However, in the past smaller positive ratios (the valve lift is greater than the cam lift) and even negative ratios (valve lift smaller than the cam lift) have been used.

what are rocker arms?

Many pre-WW2 engines use 1:1 (neutral) ratios.

what are rocker arms?

For car engines the rocker arms are generally steel stampings , providing a reasonable balance of strength, weight and economical cost.

what are rocker arms?

Because the rocker arms are, in part, reciprocating weight , excessive mass especially at the lever ends limits the engine's ability to reach high operating speeds.

who sang the nights the lights went out

"The Night the Lights Went Out in Georgia" is a Southern Gothic song written by songwriter Bobby Russell and performed in 1972 by his then-wife Vicki Lawrence .

who sang the nights the lights went out

Reba McEntire later covered it in 1991.

who sang the nights the lights went out

Recorded in late October 1972 in United/Western Studios on Sunset in Hollywood and released less than two weeks later in November 1972, the song centers around the older brother of the narrator, falsely convicted of and executed for a murder, which the narrator herself has committed.

where does the return address go on mail

In postal mail , a return address is an explicit inclusion of the address of the person sending the message.

where does the return address go on mail

It provides the recipient (and sometimes authorized intermediaries) with a means to determine how to respond to the sender of the message if needed.

where does the return address go on mail

The return address need not include a sender's name, but should include address or P.O. box details in the same way as the delivery address should.

where does the return address go on mail

In some countries, the return address is conventionally located in the upper left hand corner of the envelope , card, or label.

where does the return address go on mail

In the United Kingdom , the return address is usually placed on the reverse of the envelope, near the top.

where does the return address go on mail

Businesses often use envelopes preprinted with a return address.

where does the return address go on mail

Many individuals have sheets of adhesive labels preprinted with their home address to affix to their correspondence.

where does the return address go on mail

Charities sometimes include such sheets in mailshots.

where does the return address go on mail

Rolls of Return Address Labels can be purchased from companies that sell personalized labels to provide individuals an easy way to peel and stick return address labels to their envelopes.

where does the return address go on mail

The return address is not required on postal mail.

where does the return address go on mail

However, lack of a return address prevents the postal service from being able to return the item if it proves undeliverable; such as from damage, postage due , or invalid destination.

where does the return address go on mail

Such mail may thus become dead letter mail .

where does the return address go on mail

Should the return address be of a different state or country, the mail may be routed through that location for ease of return.

what is a synthetic conduit

A nerve guidance conduit (also referred to as an artificial nerve conduit or artificial nerve graft, as opposed to an autograft ) is an artificial means of guiding axonal regrowth to facilitate nerve regeneration and is one of several clinical treatments for nerve injuries .

what is a synthetic conduit

When direct suturing of the two stumps of a severed nerve cannot be accomplished without tension, the standard clinical treatment for peripheral nerve injuries is autologous nerve grafting .

what is a synthetic conduit

Due to the limited availability of donor tissue and functional recovery in autologous nerve grafting, neural tissue engineering research has focused on the development of bioartificial nerve guidance conduits as an alternative treatment, especially for large defects.

what is a synthetic conduit

Similar techniques are also being explored for nerve repair in the spinal cord but nerve regeneration in the central nervous system poses a greater challenge because its axons do not regenerate appreciably in their native environment.

what is a synthetic conduit

The creation of artificial conduits is also known as entubulation because the nerve ends and intervening gap are enclosed within a tube composed of biological or synthetic materials.

what is a synthetic conduit

Whether the conduit is in the form of a biologic tube, synthetic tube or tissue-engineered conduit, it should facilitate neurotropic and neurotrophic communication between the proximal and distal ends of the nerve gap, block external inhibitory factors, and provide a physical guidance for axonal regrowth.

what is a synthetic conduit

The most basic objective of a nerve guidance conduit is to combine physical, chemical, and biological cues under conditions that will foster tissue formation.

what is a synthetic conduit

Materials that have been used to make biologic tubes include blood vessels and skeletal muscles, while nonabsorbable and bioabsorbable synthetic tubes have been made from silicone and polyglycolide respectively.

what is a synthetic conduit

Tissue-engineered nerve guidance conduits are a combination of many elements: scaffold structure, scaffold material, cellular therapies, neurotrophic factors and biomimetic materials.

what is a synthetic conduit

The choice of which physical, chemical and biological cues to use is based on the properties of the nerve environment, which is critical in creating the most desirable environment for axon regeneration.

what is a synthetic conduit

The factors that control material selection include biocompatibility , biodegradability, mechanical integrity, controllability during nerve growth, implantation and sterilization.

when does the seas second season on hardcore pawn start

Hardcore Pawn is an American reality television series produced by RDF USA (later Zodiak USA ) and Richard Dominick Productions for truTV about the day-to-day operations of American Jewelry and Loan, a family-owned pawn shop located at 20450 Greenfield Road, between 8 Mile Road and the John C. Lodge Freeway in Detroit, Michigan .

when does the seas second season on hardcore pawn start

The series premiered on August 16, 2010, delivering two million viewers, setting a record as truTV's most-watched series premiere ever.

what does a groundhog look for on groundhog day

According to folklore, if it is cloudy when a groundhog emerges from its burrow on this day, then spring will come early; if it is sunny, the groundhog will supposedly see its shadow and retreat back into its burrow, and the winter weather will continue for six more weeks.

what does a groundhog look for on groundhog day

Modern customs of the holiday involve celebrations where early morning festivals are held to watch the groundhog emerging from its burrow.

what does a groundhog look for on groundhog day

In southeastern Pennsylvania, Groundhog Lodges (Grundsow Lodges) celebrate the holiday with fersommlinge , social events in which food is served, speeches are made, and one or more g'spiel (plays or skits) are performed for entertainment.

what does a groundhog look for on groundhog day

The Pennsylvania German dialect is the only language spoken at the event, and those who speak English pay a penalty, usually in the form of a nickel , dime , or quarter per word spoken, with the money put into a bowl in the center of the table.

what does a groundhog look for on groundhog day

The largest Groundhog Day celebration is held in Punxsutawney, Pennsylvania .

what does a groundhog look for on groundhog day

Groundhog Day, already a widely recognized and popular tradition, received widespread attention as a result of the 1993 film Groundhog Day , which was set in Punxsutawney, PA (though filmed primarily in Woodstock, IL) and portrayed Punxsutawney Phil .

what does a groundhog look for on groundhog day

Groundhog Day ( Pennsylvania German : Grundsaudaag, Murmeltiertag) is a day celebrated on February 2.

what is amoxicillin for?

Amoxicillin BP

what is amoxicillin for?

Amoxicillin ( INN ), formerly amoxycillin ( BAN ), and abbreviated amox, is a moderate-spectrum, bacteriolytic, β-lactam antibiotic used to treat bacterial infections caused by susceptible microorganisms .

what is amoxicillin for?

It is usually the drug of choice within the class because it is better absorbed, following oral administration, than other β-lactam antibiotics.

what is amoxicillin for?

Amoxicillin is one of the most common antibiotics prescribed for children.

what is amoxicillin for?

The drug became available in 1972 .

what is amoxicillin for?

Amoxicillin is susceptible to degradation by β-lactamase -producing bacteria, which are resistant to a broad spectrum of β-lactam antibiotics, such as penicillin .

what is amoxicillin for?

For this reason, it is often combined with clavulanic acid , a β-lactamase inhibitor.

what is amoxicillin for?

This increases effectiveness by reducing its susceptibility to β-lactamase resistance.

who voices wolowitz mother?

The Big Bang Theory cast at Comic Con 2009, from left: Kunal Nayyar , Simon Helberg , Kaley Cuoco , Jim Parsons , and Johnny Galecki

who voices wolowitz mother?

The American sitcom The Big Bang Theory , created and executive produced by Chuck Lorre and Bill Prady , premiered on CBS on September 24, 2007.

who voices wolowitz mother?

The show centers on five characters: roommates Sheldon Cooper and Leonard Hofstadter , two Caltech physicists; Penny, a waitress and aspiring actress who lives across the hall; and Leonard and Sheldon's friends and co-workers aerospace engineer Howard Wolowitz , and astrophysicist Rajesh Koothrappali .

who voices wolowitz mother?

Over time, several supporting characters have been promoted to starring roles: Leslie Winkle (season 1 recurring; season 2 regular; season 3 guest), a physicist colleague, and, at different times, a lover of both Leonard and Howard; Bernadette Rostenkowski-Wolowitz (season 3 recurring; season 4-present regular), a microbiologist, Howard's fiancée and subsequent wife, and former part-time waitress alongside Penny; neuroscientist Amy Farrah Fowler (season 3 guest; season 4 recurring; season 4-present regular), who joins the group after being matched to Sheldon on a dating website; and comic book store-owner, Stuart Bloom (seasons 2–5 recurring; season 6-present regular), who replaces Howard as Raj's best friend when Howard is in space.

who voices wolowitz mother?

The show also features numerous supporting characters, each of whom plays a prominent role in a small group of episodes.

who is leonard in big bang

The Big Bang Theory cast at Comic Con 2009, from left: Kunal Nayyar , Simon Helberg , Kaley Cuoco , Jim Parsons , and Johnny Galecki

who is leonard in big bang

The American sitcom The Big Bang Theory , created and executive produced by Chuck Lorre and Bill Prady , premiered on CBS on September 24, 2007.

who is leonard in big bang

The show centers on five characters: roommates Sheldon Cooper and Leonard Hofstadter , two Caltech physicists; Penny, a waitress and aspiring actress who lives across the hall; and Leonard and Sheldon's friends and co-workers aerospace engineer Howard Wolowitz , and astrophysicist Rajesh Koothrappali .

who is leonard in big bang

Over time, several supporting characters have been promoted to starring roles: Leslie Winkle (season 1 recurring; season 2 regular; season 3 guest), a physicist colleague, and, at different times, a lover of both Leonard and Howard; Bernadette Rostenkowski-Wolowitz (season 3 recurring; season 4-present regular), a microbiologist, Howard's fiancée and subsequent wife, and former part-time waitress alongside Penny; neuroscientist Amy Farrah Fowler (season 3 guest; season 4 recurring; season 4-present regular), who joins the group after being matched to Sheldon on a dating website; and comic book store-owner, Stuart Bloom (seasons 2–5 recurring; season 6-present regular), who replaces Howard as Raj's best friend when Howard is in space.

who is leonard in big bang

The show also features numerous supporting characters, each of whom plays a prominent role in a small group of episodes.

where did the early humans live?

Human evolution refers to the evolutionary process leading up to the appearance of modern humans .

where did the early humans live?

While it began with the last common ancestor of all life, the topic usually covers only the evolutionary history of primates , in particular the genus Homo , and the emergence of Homo sapiens as a distinct species of hominids (or "great apes").

where did the early humans live?

The study of human evolution involves many scientific disciplines, including physical anthropology , primatology , archaeology , linguistics , evolutionary psychology , embryology and genetics .

where did the early humans live?

According to genetic studies, primates diverged from other mammals about in the Late Cretaceous period, and the earliest fossils appear in the Paleocene , around .

where did the early humans live?

The family Hominidae diverged from the Hylobatidae (Gibbon) family 15-20 million years ago, and around , the Ponginae ( orangutans ), diverged from the Hominidae family.

where did the early humans live?

Bipedalism is the basic adaption of the Hominin line, and the earliest bipedal Hominin is considered to be either Sahelanthropus or Orrorin , with Ardipithecus , a full bipedal, coming somewhat later.

where did the early humans live?

The gorilla and chimpanzee diverged around the same time, about 4-6 million years ago, and either Sahelanthropus or Orrorin may be our last shared ancestor with them.

where did the early humans live?

The early bipedals eventually evolved into the australopithecines and later the genus Homo .

where did the early humans live?

The earliest documented members of the genus Homo are Homo habilis which evolved around ; the earliest species for which there is positive evidence of use of stone tools.

where did the early humans live?

The brains of these early hominins were about the same size as that of a chimpanzee.

where did the early humans live?

During the next million years a process of encephalization began, and with the arrival of Homo erectus in the fossil record, cranial capacity had doubled to 850 cm3.

where did the early humans live?

Homo erectus and Homo ergaster were the first of the hominina to leave Africa, and these species spread through Africa, Asia, and Europe between .

where did the early humans live?

It is believed that these species were the first to use fire and complex tools.

where did the early humans live?

According to the Recent African Ancestry theory , modern humans evolved in Africa possibly from Homo heidelbergensis , Homo rhodesiensis or Homo antecessor and migrated out of the continent some 50,000 to 100,000 years ago, replacing local populations of Homo erectus, Homo denisova , Homo floresiensis and Homo neanderthalensis.

where did the early humans live?

Archaic Homo sapiens , the forerunner of anatomically modern humans , evolved between 400,000 and 250,000 years ago.

where did the early humans live?

Recent DNA evidence suggests that several haplotypes of Neanderthal origin are present among all non-African populations, and Neanderthals and other hominids, such as Denisova hominin may have contributed up to 6% of their genome to present-day humans.<ref name="10.1126/science.1209202"> Anatomically modern humans evolved from archaic Homo sapiens in the Middle Paleolithic , about 200,000 years ago.

where did the early humans live?

The transition to behavioral modernity with the development of symbolic culture, language, and specialized lithic technology happened around 50,000 years ago according to many anthropologists although some suggest a gradual change in behavior over a longer time span.

who did cuddy get engaged to on house

Lisa Cuddy, M.D. , is a fictional character on the Fox network medical drama House .

who did cuddy get engaged to on house

She is portrayed by Lisa Edelstein .

who did cuddy get engaged to on house

Cuddy was the Dean of Medicine and hospital administrator of the fictional Princeton-Plainsboro Teaching Hospital in New Jersey .

who did cuddy get engaged to on house

She also becomes House's love interest through the years to start a relationship with him in season seven.

who did cuddy get engaged to on house

Cuddy quit her job after the events of season seven's finale " Moving On ".

what track and field event for me?

Track and field is a sport comprising various competitive athletic contests based on running , jumping , and throwing.

what track and field event for me?

The name of the sport derives from the competition venue: a stadium with an oval running track around a grass field.

what track and field event for me?

The throwing and jumping events generally take place in the central enclosed area.

what track and field event for me?

Track and field falls under the umbrella sport of athletics , which also includes road running , cross country running , and race walking .

what track and field event for me?

The two most prestigious international track and field competitions are held under the banner of athletics: the athletics competition at the Olympic Games and the IAAF World Championships in Athletics .

what track and field event for me?

The International Association of Athletics Federations is the international governing body for track and field.

what track and field event for me?

Track and field events are generally individual sports with athletes challenging each other to decide a single victor.

what track and field event for me?

The racing events are won by the athlete with the fastest time, while the jumping and throwing events are won by the athlete who has achieved the greatest distance or height in the contest.

what track and field event for me?

The running events are categorised as sprints , middle and long-distance events , relays , and hurdling .

what track and field event for me?

Regular jumping events include long jump , triple jump , high jump and pole vault , while the most common throwing events are shot put , javelin , discus and hammer .

what track and field event for me?

There are also "combined events", such as heptathlon and decathlon , in which athletes compete in a number of the above events.

what track and field event for me?

Records are kept of the best performances in specific events, at world and national levels, right down to a personal level.

what track and field event for me?

However, if athletes are deemed to have violated the event's rules or regulations, they are disqualified from the competition and their marks are erased.

what track and field event for me?

In North America, the term track and field may be used to refer to athletics in general, rather than specifically track and field events.

what year was gulf war

The Gulf War (2 August 1990 – 28 February 1991), codenamed Operation Desert Storm (17 January 1991 – 28 February 1991) was a war waged by a U.N.-authorized Coalition force from 34 nations led by the United States , against Iraq in response to Iraq's invasion and annexation of Kuwait .

what year was gulf war

The war is also known under other names , such as the Persian Gulf War, First Gulf War, Gulf War I, or the First Iraq War, before the term "Iraq War" became identified instead with the 2003 Iraq War (also referred to in the U.S. as "Operation Iraqi Freedom").

what year was gulf war

Kuwait's invasion by Iraqi troops that began 2 August 1990 was met with international condemnation, and brought immediate economic sanctions against Iraq by members of the U.N. Security Council .

what year was gulf war

U.S. President George H. W. Bush deployed U.S. forces into Saudi Arabia , and urged other countries to send their own forces to the scene.

what year was gulf war

An array of nations joined the Coalition.