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Nơi chia sẻ tri thức, kết nối cộng đồng và giải đáp mọi thắc mắc từ A–

En.wikipedia.org

Rekha is an Indian actress who appears predominantly in Hindi films. Acknowledged as one of the finest actresses in Indian cinema.

Benzene

Benzene

Benzene is a colorless and highly flammable liquid with a sweet smell, and is partially responsible for the aroma of gasoline.Read more

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Isopropyl acetate

Isopropyl acetate

Isopropyl acetate (commonly abbreviated IPAc or iPrOAc) is an ester, an organic compound which is the product of esterification of acetic acid and isopropanol.Read more

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Binomial theorem

Binomial theorem

1 , ( x + y ) 1 = x + y , ( x + y ) 2 = x 2 + 2 x y + y 2 , ( x + y ) 3 = x 3 + 3 x 2 y + 3 x y 2 + y 3 , ( x + y ) 4 = x 4 + 4 x 3 y + 6 x 2 y 2 + 4 x y 3 + y ...Read more

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Lê Lợi Boulevard

Lê Lợi Boulevard

Lê Lợi Boulevard (Vietnamese: Đường Lê Lợi, Đại lộ Lê Lợi) is a boulevard in District 1, downtown Ho Chi Minh City, Vietnam. The boulevard stretches from ...Read more

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Zinc hydroxide

Zinc hydroxide

Zinc hydroxide Zn(OH)2 is an inorganic chemical compound. It also occurs naturally as 3 rare minerals: wülfingite (orthorhombic), ashoverite and sweetite ...Read more

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Hoa people

Hoa people

The Hoa people, also known as Vietnamese Chinese are an ethnic minority in Vietnam composed of citizens and nationals of full or partial Han Chinese ...Read more

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Viet people

Viet people

The Vietnamese are one of the four main groups of Vietic speakers in Vietnam, the others being the Mường, Thổ, and Chứt people. Diasporic descendants of the ...Read more

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Vietnamese people

Vietnamese people

The Vietnamese are one of the four main groups of Vietic speakers in Vietnam, the others being the Mường, Thổ, and Chứt people. Diasporic descendants of ...Read more

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The Kids Are All Right (film)

The Kids Are All Right (film)

The Kids Are All Right is a 2010 American comedy-drama film directed by Lisa Cholodenko and written by Cholodenko and Stuart Blumberg.Read more

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Sodium sulfite

Sodium sulfite

Sodium sulfite (sodium sulphite) is the inorganic compound with the chemical formula Na2SO3. A white, water-soluble solid, it is used commercially as an ...Read more

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Cummingtonite

Cummingtonite

Cummingtonite is a metamorphic amphibole with the chemical composition (Mg,Fe 2+ ) 2(Mg,Fe 2+ ) 5Si 8O 22(OH) 2, magnesium iron silicate hydroxide.Read more

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Pressure

Pressure

Pressure (symbol: p or P) is the force applied perpendicular to the surface of an object per unit area over which that force is distributed.Read more

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Magnesium sulfate

Magnesium sulfate

Magnesium sulfate or magnesium sulphate is a chemical compound, a salt with the formula MgSO 4 , consisting of magnesium cations Mg 2+ (20.19% by mass)Read more

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BMW X1

BMW X1

The BMW X1 is a line of cars produced by German marque BMW since 2009. It is in the subcompact luxury crossover class.Read more

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Left-Handed Girl

Left-Handed Girl

Left-Handed Girl (Chinese: 左撇子女孩) is a 2025 drama film, co-written, co-produced, and directed by Shih-Ching Tsou. It stars Janel Tsai, Ma Shih-Yuan, ...Read more

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Aluminium chloride

Aluminium chloride

Aluminium chloride, also known as aluminium trichloride, is an inorganic compound with the formula AlCl 3. It forms a hexahydrate with the formula [Al(H 2O) ...Read more

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Dalton (unit)

Dalton (unit)

mu = 1.66053906892(52)×10−27 kg. ... The value serves as a conversion factor of mass from daltons to kilograms, which can easily be converted to grams and other ...Read more

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Iron(III) chloride

Iron(III) chloride

Iron(III) chloride describes the inorganic compounds with the formula FeCl 3(H2O)x. Also called ferric chloride, these compounds are some of the most ...Read more

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Fiat X1/9

Fiat X1/9

The Fiat X1/9 is an Italian two-seater mid-engined sports car designed by Bertone and manufactured by Fiat from 1972–1982 and subsequently by Gruppo Bertone ...Read more

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Carbon dioxide

Carbon dioxide

Carbon dioxide is a chemical compound with the chemical formula CO 2. It is made up of molecules that each have one carbon atom covalently double bonded to two ...Read more

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Multiculturalism

Multiculturalism

Multiculturalism is the coexistence of multiple cultures. The word is used in sociology, in political philosophy, and colloquially.Read more

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1 + 2 + 3 + 4 +

1 + 2 + 3 + 4 +

1 + 2 + 3 + 4 + ⋯ is a divergent series. The nth partial sum of the series is the triangular number.Read more

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Member states of the United Nations

Member states of the United Nations

The United Nations comprise 193 sovereign states and the world's largest intergovernmental organization. All members have equal representation in the United ...Read more

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Place of birth

Place of birth

The place of birth (POB) or birthplace is the place where a person was born. This place is often used in legal documents, together with name and date of birth, ...Read more

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2-Methylpentane

2-Methylpentane

2-Methylpentane, trivially known as isohexane, is a branched-chain alkane with the molecular formula C 6 H 14.Read more

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Less-than sign

Less-than sign

The less-than sign is a mathematical symbol that denotes an inequality between two values. The widely adopted form of two equal-length strokes connecting in an ...Read more

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Human overpopulation

Human overpopulation

Human overpopulation (or human population overshoot) is the idea that human populations may become too large to be sustained by their environment or resources ...Read more

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12×12

12×12

12×12=144, a common times tables size in the English-speaking world · Twelve wheel drive (12x12), a vehicle configuration with 12 wheels, all of them drive ...Read more

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Hydrogen

Hydrogen

Under standard conditions, hydrogen is a gas of diatomic molecules with the formula H 2, called dihydrogen, or sometimes hydrogen gas, molecular hydrogen, or ...Read more

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Capital city

Capital city

A capital city or just capital is the municipality holding primary status in a country, state, province, department, or other subnational divisionRead more

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Going Back to Cali (The Notorious B.I.G. song)

Going Back to Cali (The Notorious B.I.G. song)

"Going Back to Cali" is a song recorded by American rapper the Notorious B.I.G. from the album Life After Death. It was produced by Easy Mo Bee and contains a ...Read more

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Combination

Combination

Number of k-combinations · ( n k ) = { ( n k − 1 ) n − k + 1 k if k > 0 ( n − 1 k ) n n − k if k < n ( n − 1 k − 1 ) n k if n , k > 0 . · ( n 0 ) = 1 = ( n n ) {\ ...Read more

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Formaldehyde

Formaldehyde

Formaldehyde (systematic name methanal) is an organic compound with the chemical formula CH 2O and structure H 2C=O. It is a pungent, colorless gas that ...Read more

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May 6

May 6

May 6 is the 126th day of the year (127th in leap years) in the Gregorian calendar; 239 days remain until the end of the year.Read more

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Papillon (2017 film)

Papillon (2017 film)

Because a fall from the cliffs would mean certain death, Papillon bags coconuts together for a raft. ... Low For Melissa McCarthy In A 'Crazy Rich' Weekend – ...Read more

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Isoamyl acetate

Isoamyl acetate

Isoamyl acetate, also known as isopentyl acetate, is an ester formed from isoamyl alcohol and acetic acid, with the molecular formula C 7H 14O 2.Read more

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Âu Lạc

Âu Lạc

Founded in 257 BCE by a figure called Thục Phán (King An Dương), it was a merger of Nam Cương (Âu Việt) and Văn Lang (Lạc Việt) but succumbed to the state of ...Read more

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When You Finish Saving the World (film)

When You Finish Saving the World (film)

When You Finish Saving the World is a 2022 American comedy-drama film written and directed by Jesse Eisenberg in his feature directorial debut.Read more

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Android (robot)

Android (robot)

An android is a humanoid robot or other artificial being, often made from a flesh-like material. Historically, androids existed only in the domain of ...Read more

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Lucien Bersot

Lucien Bersot

Lucien Jean Baptiste Bersot (June 7, 1881 - February 13, 1915) was a French soldier executed for refusing to wear trousers that had belonged to a dead person.Read more

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Home from Home (2013 film)

Home from Home (2013 film)

Home from Home is a 2013 German drama film directed by Edgar Reitz. It was screened out of competition at the 70th Venice International Film Festival.Read more

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Golden ratio

Golden ratio

In mathematics, two quantities are in the golden ratio if their ratio is the same as the ratio of their sum to the larger of the two quantities.Read more

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Stirling's approximation

Stirling's approximation

n ! = 2 π n ( n e ) n ( 1 + O ( 1 n ) ) . · It can be quickly obtained by approximating the sum ; ln ⁡ n ! = ∑ j = 1 n ln ⁡ j · with an integral: ; ∑ j = 1 n ln ⁡ j ...Read more

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August 13

August 13

August 13 is the 225th day of the year (226th in leap years) in the Gregorian calendar; 140 days remain until the end of the year.Read more

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List of battery sizes

List of battery sizes

This is a list of the sizes, shapes, and general characteristics of some common primary and secondary battery types in household, automotive and light ...Read more

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Sinking of the Titanic

Sinking of the Titanic

RMS Titanic sank on 15 April 1912 in the North Atlantic Ocean. The largest ocean liner in service at the time, Titanic was four days into her maiden voyage ...Read more

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USS Indianapolis (CA-35)

USS Indianapolis (CA-35)

At 0015 on 30 July, the ship was torpedoed by the Imperial Japanese Navy submarine I-58, and sank in 12 minutes. Of 1,195 crewmen aboard, about 300 went down ...Read more

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It's the Most Wonderful Time of the Year

It's the Most Wonderful Time of the Year

"It's the Most Wonderful Time of the Year" is a popular Christmas song written in 1963 by Edward Pola and George Wyle.Read more

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Chloromethane

Chloromethane

Chloromethane, also called methyl chloride, Refrigerant-40, R-40 or HCC 40, is an organic compound with the chemical formula CH 3 Cl.Read more

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Partial least squares regression

Partial least squares regression

Partial least squares (PLS) regression is a statistical method that bears some relation to principal components regression and is a reduced rank regression; ...Read more

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