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It is used in chemistry and biology laboratories and consists of a tee fitting which is attached to a tap and has a hose barb at one side .
It has a hose barb on one side .
An aspirator , is a type of ejector-jet pump , that produces vacuum by means of the Venturi effect .
An aspirator is a device that makes vacuum , because of the Venturi effect .
The industrial steam ejector ( also called the ` steam jet ejector ' , ` steam aspirator ' , or ` steam jet aspirator ' ) uses steam as a working fluid .
The aspirator is also known as an ejector or a filter pump .
Polycyclic aromatic hydrocarbons are molecules containing two or more simple aromatic rings fused together by sharing two neighboring carbon atoms ( see also simple aromatic rings ) .
Polycyclic aromatic hydrocarbons are molecules with two or more simple aromatic rings fused together by sharing two neighboring carbon atoms .
Examples are naphthalene , anthracene , and phenanthrene .
Examples are naphthalene , anthracene and phenanthrene .
In heterocyclic aromatics ( heteroaromats ) , one or more of the atoms in the aromatic ring is of an element other than carbon .
In heterocyclic aromatics one or more of the atoms in the aromatic ring is of an element other than carbon .
Other examples include pyridine , pyrazine , imidazole , pyrazole , oxazole , thiophene , and their benzannulated analogs ( benzimidazole , for example ) .
Examples include pyridine , pyrazine , imidazole , pyrazole , oxazole , thiophene , for example ) .
Many chemical compounds are aromatic rings with other functional groups attached .
Many chemical compounds are aromatic rings with other things attached .
It was discovered in 1881 during British rule by a tenant of Mian Un-Wan-Udin , a police inspector ; the manuscript was discovered while the tenant was digging in an abandoned building .
It was discovered in 1881 during British rule by a tenant of Mian An-Wan-Udin , a police inspector .
The village is notable for being the location of what is now known as the Bakhshali manuscript ; this is an ancient mathematical work written on birch bark and is the oldest surviving document in South Asia of Indian mathematics .
This is an ancient mathematical work written on birch bark and is the oldest surviving document in South Asia of Indian mathematics .
It is located at 34 ° 17 ' 0N 72 ° 9 ' 0E and has an altitude of 307 metres ( 1010 feet ) .
It is at 34 ° 17 ' 0N 72 ° 9 ' 0E and has a height of 307 metres ( 1010 feet ) .
Bakhshali is a village and union council in Mardan District of Khyber-Pakhtunkhwa in Pakistan .
Bakhshali is a village and Union Council of Mardan District in the Khyber Pakhtunkhwa province of Pakistan .
He also made important contributions to proof theory by clarifying the connections between classical logic , intuitionistic logic , and modal logic .
He did this by clarifying the connections between classical logic , intuitionistic logic , and modal logic .
He also showed that neither the axiom of choice nor the continuum hypothesis can be disproved from the accepted axioms of set theory , assuming these axioms are consistent .
He also showed that the continuum hypothesis can not be disproved from the accepted axioms of set theory , if those axioms are consistent .
Considered with Aristotle and Gottlob Frege to be one of the most significant logicians in history , Gödel made an immense impact upon scientific and philosophical thinking in the 20th century , a time when others such as Bertrand Russell , A. N. Whitehead , and David Hilbert were pioneering the use of logic and set th...
Many people , such as Bertrand Russell , A. N. Whitehead , and David Hilbert , tried to use logic and set theory at that time .
Gödel published his two incompleteness theorems in 1931 when he was 25 years old , one year after finishing his doctorate at the University of Vienna .
He was 25 years of age , and had just finished his doctorate at the University of Vienna one year earlier .
In hindsight , the basic idea at the heart of the incompleteness theorem is rather simple .
Gödel is best known for his two incompleteness theorems .
Wavelets are defined by the wavelet function ψ ( t ) ( i.e. the mother wavelet ) and scaling function φ ( t ) ( also called father wavelet ) in the time domain .
Function is called mother wavelet .
In 1999 , he was appointed music director of the Orquesta Sinfónica Simón Bolívar , the national youth orchestra of Venezuela , and toured several countries .
In 1999 , he became music director of the Orquesta Sinfónica Simón Bolívar , the national youth orchestra of Venezuela , and toured several countries .
On April 16 , 2007 , Gustavo Dudamel conducted the Stuttgart Radio Symphony Orchestra in a concert in commemoration of the 80th birthday of Pope Benedict XVI , with Hilary Hahn as solo violinist , with the Pope and many other church dignitaries among the audience .
On April 16 , 2007 , Gustavo Dudamel conducted the Stuttgart Radio Symphony Orchestra in a concert to celebrate the 80th birthday of Pope Benedict XVI , with Hilary Hahn as solo violinist .
Dudamel was born in Barquisimeto , Venezuela , the son of a trombonist and a voice teacher .
Dudamel was born in Barquisimeto , Venezuela .
He made his debut at La Scala , Milan , with Don Giovanni in November 2006 .
He conducted Don Giovanni at La Scala , Milan , in November 2006 .
In 2005 , Gustavo Dudamel first conducted the Gothenburg Symphony at the BBC Proms , on short notice as a replacement for the indisposed Neeme Järvi .
In 2005 , Gustavo Dudamel conducted at the BBC Proms when Neeme Järvi was ill .
He is the music director of the Orquesta Sinfónica Simón Bolívar and the Los Angeles Philharmonic .
He became famous as the conductor of the Venezuelan youth orchestra Orquesta Sinfónica Simón Bolívar .
In March 2008 , he made his debut with the San Francisco Symphony .
In March 2008 , he first conducted the San Francisco Symphony .
He is honorary conductor of the Gothenburg Symphony in Gothenburg , Sweden .
Today he is the principal conductor of the Gothenburg Symphony in Gothenburg , Sweden , and music director of the Los Angeles Philharmonic in Los Angeles , California .
In 2006 , Dudamel was named Principal Conductor of the Gothenburg Symphony .
He became Principal Conductor of the Gothenburg Symphony .
He soon began to study composition .
He also studied composition .
Dudamel debuted with the Philharmonia , the Israel Philharmonic , and the Los Angeles Philharmonic , among others , in 2005 , and also signed a recording contract with Deutsche Grammophon .
He signed a recording contract with Deutsche Grammophon .
Before them , Mikhail Glinka and Alexander Dargomyzhsky had gone some way towards producing a distinctly Russian kind of music , writing operas on Russian subjects , but The Mighty Handful represented the first concentrated attempt to develop such a music , with Stasov as their artistic adviser and Dargomyzhsky as an e...
Before The Five were established as a group , Mikhail Glinka and Alexander Dargomyzhsky were trying to create a Russian kind of music .
The Five , also known as The Mighty Handful ( Russian : Могучая кучка , Moguchaya kuchka ) , The Balakirev Circle , and The New Russian School , refers to a circle of composers who met in Saint Petersburg , Russia , in the years 1856-1870 : Mily Balakirev ( the leader ) , César Cui , Modest Mussorgsky , Nikolai Rimsky-...
The five composers were : Mily Balakirev , César Cui , Modest Mussorgsky , Nikolai Rimsky-Korsakov and Alexander Borodin .
They are listed below , with their capitals and the territory of the former provinces that they mostly incorporated : After only three years , following a coup d'etat , the borders of the former provinces were restored , though not their autonomous status .
They are listed below , with their capitals and the territory of the former provinces they mostly incorporated : After only three years , following a coup d'état , the borders of the former provinces were restored , though not their autonomous status .
During the Batavian Republic , the Netherlands was from 1798 to 1801 completely reorganised into eight new departments , most named after rivers , inspired by the French revolutionary example , in an attempt to do away with the old semi-autonomous status of the provinces .
During the Batavian Republic , the Netherlands were from 1798 to 1801 completely reorganised into 8 new departments , most named after rivers , inspired by the French revolutionary example , in an attempt to do away with the old autonomous provincial status .
The modern Netherlands is divided into twelve provinces ( provincies in Dutch ) and three overseas public bodies ( openbare lichamen ) that are not part of any province .
The modern day Netherlands are divided into twelve provinces ( provincies in Dutch ) .
The twelve provinces are listed below .
The twelve provinces are listed below with their capital city : A Dutch province is the administrative layer in between the national government and the local municipalities .
The government of each province consists of three major parts : the Provinciale Staten which is the provincial parliament elected every four years ; the Gedeputeerde Staten , a college elected from among the members of the Provinciale Staten and charged with most executive tasks ; and the Commissaris van de Koning , wh...
The government of each province is made of three major parts : the Provinciale Staten which is the provincial parliament elected every four years .
A Dutch province represents the administrative layer in between the national government and the local municipalities , having the responsibility for matters of subnational or regional importance .
It has the responsibility for matters of regional importance .
The Pittsburgh Penguins repeated as Stanley Cup champions , winning a best of seven series four games to none against the Chicago Blackhawks .
The Stanley Cup winners were the Pittsburgh Penguins , who won the best of seven series 4-0 against the Chicago Blackhawks .
Note : W = Wins , L = Losses , T = Ties , Pts = Points , GF = Goals For , GA = Goals Against P - Clinched Presidents Trophy P - Clinched Presidents Trophy , ADM - Adams Division , PAT - Patrick Division
Note : W = Wins , L = Losses , T = Ties , Pts = Points , GF = Goals For , GA = Goals Against
The oldest of the Watkins children , Sean was only twelve years old at the time .
The oldest of the children , Sean Watkins , was only twelve years old at the time .
Nickel Creek ( formerly known as The Nickel Creek Band ) is an American progressive acoustic music trio consisting of Chris Thile ( mandolin ) , Sara Watkins ( fiddle ) and Sean Watkins ( guitar ) .
The band has three people : Chris Thile ( mandolin ) , Sean Watkins ( guitar ) , and Sara Watkins ( violin ) .
During their 2002 and 2003 tour Nickel Creek opened five shows for John Mayer in November 2002 , and toured with Gillian Welch and David Rawlings earlier in the year .
Chris Thile described the album in 2002 : On the This Side tour of 2002 and 2003 , Nickel Creek played shows as the main act for the most part , but also opened five shows for John Mayer in November 2002 in Upstate New York and New England , and played with Gillian Welch and David Rawlings earlier in the year .
Nickel Creek 's first performance was at That Pizza Place in Carlsbad , California in 1989 with Scott Thile , Chris 's father , playing string bass .
The band started in California in 1989 with Scott Thile , Chris ' father , playing the double bass .
Their seven-month Farewell ( For Now ) Tour started in April 2007 and ended in November .
The tour started in April 2007 and ended in November 2007 in Nashville , Tennessee .
The group received two Grammy nominations : Best Bluegrass Album and Best Country Instrumental for the song `` Ode to a Butterfly '' .
Nickel Creek got two Grammy Award nominations for the album : Best Bluegrass Album and Best Country Instrumental for `` Ode to a Butterfly '' .
The tour featured numerous guest appearances by Glen Phillips , Jon Brion , Fiona Apple , Bruce Molsky , Bela Fleck , Tom Brosseau and Tift Merritt , among others .
The tour had many guest appearances by musicians like Fiona Apple , Glen Phillips , Jon Brion , Bruce Molsky , Béla Fleck , and Tift Merritt .
Nickel Creek 's first two albums were Little Cowpoke ( 1993 ) and Here to There ( 1997 ) .
In the early days , Nickel Creek made two albums : Little Cowpoke in 1993 , and Here to There in 1997 .
In 2002 the band released their fourth album , This Side , produced by Alison Krauss .
In 2002 , This Side came out and it was also produced by Alison Krauss .
Nickel Creek met Alison Krauss at one of their shows and later invited her to produce their next album .
Alison Krauss produced the album Nickel Creek , which came out in 2000 on Sugar Hill Records .
In 2003 , Nickel Creek appeared on the Béla Fleck and the Flecktones album Little Worlds .
In 2003 , Nickel Creek was on Béla Fleck 's album Little Worlds .
Some of her most notable works include Quinceañera ( 1987 ) , Dulce desafío ( 1989 ) , María Isabel ( 1997 ) , El privilegio de amar ( 1999 ) , El Manantial ( 2001 ) and Amor real ( 2003 ) .
Some of her most famous works include Quinceañera ( 1987 ) , Dulce Desafío ( 1989 ) , María Isabel ( 1997 ) , El Privilegio de Amar ( 1999 ) , El Manantial ( 2001 ) and Amor Real ( 2003 ) .
Shortly after , she began to work as a fashion model and started appearing in TV commercials and music videos .
She started working as a child model and appearing in commercials and music videos .
Adela Amalia Noriega Méndez ( born 24 October 1969 ) , better known as Adela Noriega ( Spanish pronunciation : ( aˈðela noɾˈjeɣa ) ) , is a Mexican actress .
Adela Noriega ( how to say : \ / aˈðela noˈɾjeɣa \ / ) , born Adela Amalia Noriega Méndez on October 24 , 1969 , in Mexico City , Mexico , is a Mexican television actress .
Her most recent starring role was as the lead female character Sofía Elizondo in the telenovela Fuego en la sangre , from 2008 .
Her most recent starring role was in the telenovela , Fuego en la sangre , from 2008 .
El privilegio de amar is officially the highest-rated television program in Mexico to date , according to IBOPE .
A year after , she played the leading female character in El Privilegio de Amar , the highest rated television program in Mexico to date .
Her father passed away when she was in her early adolescence , and her mother died in 1995 , after a battle with cancer .
Her mother died in 1995 from cancer .
Adela Noriega was born and raised in Mexico City , Mexico .
Noriega was born in Mexico City , Mexico , on October 24 , 1969 .
Autolycus ' surviving works include a book on spheres entitled On the Moving Sphere and another On Risings and Settings of celestial bodies .
Autolycus ' surviving works include a book on spheres ( called On the Moving Sphere ) and another on the rising and setting of celestial bodies .
He wrote that `` any star which rises and sets always rises and sets at the same point in the horizon . ''
Autolycus studied the relationship between the rising and the setting of the celestial bodies , and wrote that `` any star which rises and sets always rises and sets at the same point in the horizon . ''
In his Sphere , Autolycus studied the characteristics and movement of a sphere .
Autolycus studied the movements of a sphere .
Autolycus was born in Pitane , a town of Aeolis within Western Anatolia .
He was born in Pitane , a town of Aeolis , in Asia Minor .
Autolycus ' works were translated by Maurolycus in the sixteenth century .
Maurolycus translated Autolycus ' works in the sixteenth century .
Euclid references some of Autolycus ' work , and Autolycus is known to have taught Arcesilaus .
Autolycus also taught Arcesilaus .
- Line 7 , colored brown ( currently known as Plaça Catalunya - Avinguda Tibidabo ) , is a metro-like commuter train line in the Barcelona Metro network operated by FGC , and part of the ATM fare-integrated transport system .
Line 7 or L7 colored brown ( currently known as Plaça Catalunya - Avinguda Tibidabo ) , is a metro in the Barcelona Metro network that is ran by FGC .
Also known as Línia de Balmes , as it climbs Carrer de Balmes uphill into Tibidabo , it shares three stations with FGC L6 .
It is also called Línia de Balmes , because it climbs Carrer de Balmes uphill into Tibidabo .
While the Bombyliidae include a large number of species in great variety , most species do not often appear in abundance , and for its size this is one of the most poorly known families of insects .
The Bombyliidae include a large number of species , but for its size this is one of the most poorly known families of insects .
Possibly the resemblance is aposematic , affording the adults some protection from predators .
Probably the resemblance is aposematic , affording the adults some protection from predators .
The adult females usually deposit eggs in the vicinity of possible hosts , quite often in the burrows of beetles or wasps\/solitary bees .
The adult females usually deposit eggs near the nests of possible hosts , often in the burrows of solitary bees , wasps or beetles .
Adults generally feed on nectar and pollen , some being important pollinators , often with spectacularly long proboscises adapted to plants such as Lapeirousia species with very long , narrow floral tubes .
Those with spectacularly long proboscises are adapted to plants such as Lapeirousia which have long , narrow floral tubes .
Many Bombyliidae superficially resemble bees and accordingly the prevalent common name for a member of the family is bee fly .
Many Bombyliidae superficially look like bees and so a common name for the family is the bee flies .
In 2008 , researchers at Tufts University uncovered what they believe is the world 's oldest known full-body impression of a primitive flying insect , a 300 million-year-old specimen from the Carboniferous Period .
In 2008 , researchers uncovered what they believe is the world 's oldest known full-body impression of a primitive flying insect , a 300 million-year-old specimen from the Carboniferous period .
This gigantism may have been due to higher atmospheric oxygen levels that allowed increased respiratory efficiency relative to today .
This gigantism may have been due to higher atmospheric oxygen levels , which allowed increased respiratory efficiency .
This species already possessed dicondylic mandibles ( two articulations in the mandible ) , a feature associated with winged insects , suggesting that wings may already have evolved at this time .
This species already possessed mandibles of a type associated with winged insects , suggesting that wings may already have evolved at this time .
As of 2009 , there is no evidence that suggests that the insects were a particularly successful group of animals before they evolved to have wings .
It seems the insects were not a particularly successful group of animals before they evolved wings .
Late Carboniferous and Early Permian insect orders include both extant groups and a number of Paleozoic species , now extinct .
Upper Carboniferous and Lower Permian insect orders include both living groups and a number of Palaeozoic groups , now extinct .
Insects are the only invertebrates to have evolved flight .
Insects were the first animals capable of flight .
The oldest definitive insect fossil is the Devonian Rhyniognatha hirsti , from the 396-million-year-old Rhynie chert .
The oldest known insect fossil is the Devonian Rhyniognatha , from the 396 million year old Rhynie chert .
It then proceeds along Nicoll Highway , Stamford Road and Saint Andrew 's Road around the Padang , past the City Hall .
It then proceeds along Nicoll Highway , Stamford Road and Saint Andrew 's Road around the Padang , and past the City Hall .
Several drivers , including Sébastien Bourdais and Fernando Alonso , expressed their concern about the high and harsh kerbs at the chicane at turn 10 of the street circuit .
Other drivers , including Sébastien Bourdais and Fernando Alonso , expressed their concern about the high and harsh kerbs ( curbs ) at the turn 13 hairpin and the chicane at turn 10 of the street circuit .
2008 World Champions Lewis Hamilton commented that it was twice as hard to negotiate as the more famous Monaco street circuit , and unexpectedly physical - requiring double the amount of energy over a single lap as compared to the Monaco circuit .
Lewis Hamilton commented that it was twice as hard to negotiate as the Monaco street circuit , and very physical - requiring twice the amount of energy over a single lap .
Turn 1 was named Sheares after Benjamin Henry Sheares , the second president of Singapore ; Turn 7 was named Memorial due to its proximity to a Second World War civilian memorial ; and Turn 10 was named Singapore Sling .
Turn 1 was named Sheares after Benjamin Henry Sheares , the second president of Singapore .
The drivers were worried that hitting the bumps could cause suspension damage or even damage a tub .
The drivers were worried that hitting the bumps could cause damage to the car .
The controversial pit entry at Singapore was then modified ahead of Saturday 's official Qualifying round by extending the pit entry line away from the pits .
The pit entry was then modified before Saturday 's official Qualifying round .
The pit area of the circuit is located in an empty plot of land off Republic Boulevard and beside the Singapore Flyer .
The pit area of the circuit is in an empty plot of land off Republic Boulevard .
In March 2009 , three of the circuit 's corners were given names after a competition amongst local F1 fans to submit ideas .
In March 2009 , three of the circuit 's corners were given names .
The circuit is designed by KBR , Inc. , a modification of the original one first proposed by Hermann Tilke .
The circuit is designed by KBR Inc. .
The entry of the pit lane , which begins at the penultimate corner of the 23-turn layout , was deemed to be `` difficult and incredibly dangerous '' by several drivers due to the fast nature of the corners where they were situated .
The entry of the pit lane was called `` difficult and incredibly dangerous '' by several drivers .
They also raised concerns that the bumps would pitch them into the wall on the outside of the corner .
They were also worried that the bumps would force them into the wall on the outside of the corner .
The Marina Bay Street Circuit ( otherwise known as the Singapore GP Street Circuit ) is a street circuit around Singapore 's Marina Bay and is the venue for the Singapore Grand Prix .
It is the track for the Singapore Grand Prix .
Whilst the FIA had been involved in the development of these kerbs , in response to the drivers ' concerns FIA race director and safety delegate Charlie Whiting agreed to lower the kerbs at the turn 10 chicane ahead of Friday 's free practice .
Responding to the drivers ' feedback , FIA race director and safety delegate Charlie Whiting ordered the high kerbs at Singapore 's turn 10 hairpin be modified .
The track was widely criticised by F1 drivers to be excessively bumpy , particularly on Raffles Boulevard between turns 5 and 7 , resulting in a very unforgiving circuit , especially given the hot and humid conditions of the Singapore climate .
The track was criticised by F1 drivers as being excessively bumpy .
Turn 10 chicane , known as ` Singapore Sling ' has been removed and replaced with a single-apex left-hand bend .
Turn 10 was named Singapore Sling .
George Andrew Davis Jr. was born in Dublin , Texas , on December 1 , 1920 .
George Andrew Davis Jr. was born in Dublin , Texas on December 1 , 1920 .
After completing a degree , he returned to Texas .
After completing a degree he returned to Texas .
George Andrew Davis , Jr. ( December 1 , 1920 - February 10 , 1952 ) was a highly decorated flying ace of the United States Army Air Forces in World War II , and later of the US Air Force during the Korean War .
George Andrew Davis , Jr. ( December 1 , 1920 - February 10 , 1952 ) was a highly decorated flying ace of the United States ( US ) Army in World War II .
With a total of 21 victories , Davis is one of only seven US military pilots to become an ace in two wars , and one of only 31 to be credited more than 20 victories .
With a total of 21 victories he is one of only seven US military pilots to become an ace in two wars .
Davis rose to the rank of lieutenant colonel and was posthumously awarded the Medal of Honor for his actions in `` MiG Alley '' during the war .
He was posthumously awarded the Medal of Honor for his actions in `` MiG Alley '' during the war .
In four months in Korea , Davis had scored 14 confirmed victories , 1 probable victory and 2 aircraft damaged , bringing his career total victory count to 21 .
Throughout his career , Davis was credited with 21 confirmed victories , 1 probable victory and 2 aircraft damaged .
Davis was the highest ranking US Korean War ace at the time and he was the only US ace killed in action during the war .
He was later part of the US Air Force during the Korean War .
Equatoria divided into East and Western Equatoria .
Equatoria divided into East and West Equatoria .