Significado de "tetraethyl lead" no dicionário inglês

PRONÚNCIA DE TETRAETHYL LEAD EM INGLÊS

tetraethyl lead  [ˌtɛtrəˈiːθaɪl lɛd]

CATEGORIA GRAMATICAL DE TETRAETHYL LEAD

Tetraethyl lead e um substantivo.

O nome ou substantivo é o tipo de palavras cujo significado determina a realidade. Os substantivos denominam todas as coisas: pessoas, objetos, sensações, sentimentos, etc.

O QUE SIGNIFICA TETRAETHYL LEAD EM INGLÊS

Tetraethyllead

Tetraethyllead

Tetraethyllead, abreviado TEL, é um composto organolead com a fórmula 4Pb. Foi misturado com a gasolina a partir da década de 1920 como um impulsionador de octanas patenteado que permitiu aumentar substancialmente a compressão do motor, o que, por sua vez, aumentou o desempenho do veículo ou a economia de combustível. O etanol já era conhecido como um amplificador de octano de baixa toxicidade, barato e de baixa toxicidade, mas a TEL foi promovida porque era excepcionalmente lucrativa para os detentores da patente. O TEL foi eliminado a partir dos EUA em meados da década de 1970 devido à sua neurotoxicidade cumulativa e seu efeito prejudicial sobre os conversores catalíticos. Quando presente no combustível, a TEL também é a principal causa da incrustação da vela de ignição. O TEL ainda é usado como aditivo em alguns tipos de gasolina de aviação e em alguns países em desenvolvimento. A Innospec afirmou ser a última empresa que ainda faz o TEL, mas, a partir de 2013, parece ser ilegalmente produzido por várias empresas na China.

Tetraethyllead, abbreviated TEL, is an organolead compound with the formula 4Pb. It was mixed with gasoline beginning in the 1920s as a patented octane booster that allowed engine compression to be raised substantially, which in turn increased vehicle performance or fuel economy. Ethanol was already known as a widely available, inexpensive, low toxicity octane booster, but TEL was promoted because it was uniquely profitable to the patent holders. TEL was phased out starting in the U.S. in the mid-1970s because of its cumulative neurotoxicity and its damaging effect on catalytic converters. When present in fuel, TEL is also the main cause of spark plug fouling. TEL is still used as an additive in some grades of aviation gasoline, and in some developing countries. Innospec has claimed to be the last firm still making TEL, but as of 2013 it appears to also be illegally produced by multiple companies in China.

definição de tetraethyl lead no dicionário inglês

A definição de chumbo de tetraetilo no dicionário é um líquido incoloro insolúvel incoloro usado na gasolina para evitar bater. Fórmula: Pb4 Nome sistemático: tetraetilo de chumbo.

TRADUÇÃO DE TETRAETHYL LEAD

Conheça a tradução de tetraethyl lead a 25 línguas com o nosso tradutor inglês multilíngue.

As traduções de tetraethyl lead a outras línguas apresentadas nesta seção foram obtidas através da tradução automática estatística; onde a unidade essencial da tradução é a palavra «tetraethyl lead» em inglês.

• Tradutor português - chinês: 四乙基铅
• Tradutor português - espanhol: tetraetilo de plomo
• inglês: tetraethyl lead
• Tradutor português - hindi: tetraethyl नेतृत्व
• Tradutor português - arabe: رابع إيثيل الرصاص
• Tradutor português - russo: тетраэтилсвинец
• Tradutor português - português: chumbo tetraetila
• Tradutor português - bengali: টেট্রাইটিল সীসা
• Tradutor português - francês: le plomb tétraéthyle
• Tradutor português - malaio: Tetraethyl lead
• Tradutor português - alemão: Tetraethylblei
• Tradutor português - japonês: 四エチル鉛
• Tradutor português - coreano: 테트라 에틸 납
• Tradutor português - javanês: Tetraethil timbal
• Tradutor português - vietnamita: chì tetraethyl
• Tradutor português - tâmil: டெட்ராத்திள் ஈயம்
• Tradutor português - marata: टेट्रायथिल लीड
• Tradutor português - turco: Tetraetil kurşun
• Tradutor português - italiano: piombo tetraetile
• Tradutor português - polonês: tetraetyloołów
• Tradutor português - ucraniano: тетраетилсвинець
• Tradutor português - romeno: tetraetil de plumb
• Tradutor português - grego: τετρααιθυλιούχος μόλυβδος
• Tradutor português - africâner: tetraetiel lei
• Tradutor português - sueco: tetraetylbly
• Tradutor português - norueguês: tetraetylbly

10 LIVROS EM INGLÊS RELACIONADOS COM «TETRAETHYL LEAD»

Descubra o uso de tetraethyl lead na seguinte seleção bibliográfica. Livros relacionados com tetraethyl lead e pequenos extratos deles para contextualizar o seu uso na literatura.

Environmental Forensics

Motors Research Corporation discovered that tetraethyl lead (Pb(C,H3)4) was an effective anti-knock additive. Gasoline with tetraethyl lead (also referred to as lead tetraehide, tetraethyllead, and tetraethylplumbane) was first marketed on ...

Robert D. Morrison, 1999

Prometheans in the Lab: Chemistry and the Making of the ...

"We thereupon predicted that tetraethyl lead would solve the problem," Midgley recalled. Tetraethyl lead, Pb(C2H5)4, a rare and poisonous compound that is soluble in oil, was discovered by a German chemist in 1852. Seventy-five years later, ...

Sharon Bertsch McGrayne, 2001

Proctor and Hughes' Chemical Hazards of the Workplace

Robinson TR: The health of long service tetraethyl lead workers. J Occup Med 18 : 31-40, J976 8. Fayerweather WE, Kams ME, Nuwayhid IA, et al: Case-control smdy of cancer risk in tetraethyl lead manufacmring. AmJInd Med 31(l):28-35, ...

‎2004

Dying for Work: Workers' Safety and Health in ...

United States Public Health Service, "Proceedings of a Conference to Determine Whether or Not there is a Public Health Question in the Manufacture, Distribution or Use of Tetraethyl Lead Gasoline," Public Health Bulletin #258, (Washington, ...

David Rosner, Gerald E. Markowitz, 1987

Irreversible Phenomena: Ignitions, Combustion and Detonation ...

Finally the tetraethyl lead having the strongest antiknock ability was found and has long time been applied to increase the antiknock ability of fuel. Today, however, the tetraethyl lead is no longer used, as the lead injures human health.

Kunio Terao, 2007

Hazardous Chemicals: Safety Management and Global Regulations

Lead styphnate is harmful on accidental workplace inhalation, swallowing/ ingestion, and/or skin absorption. Tetraethyl Lead (CAS No. 78-00-2) Molecular formula: (CH3CH2)4 Pb Synonyms and trade names: Lead tetraethyl; NCI— C54988; ...

T.S.S. Dikshith, 2013

Environmental and Occupational Medicine

Hempel M, Kuballa ), lantzen E. Discovery of a transalkylation mechanism — identification of ethylmercury+ at a tetraethyl- lead-contaminated site using sodiumtetrapropylborate, GC- AED and HPLC-AFS. Fresenius I Anal Chem.

William N. Rom, Steven B. Markowitz, 2007

Suing the Tobacco and Lead Pigment Industries: Government ...

Gasoline produced from low-grade crude petroleum caused automobile en- gines to knock, resulting in poor performance and limited mileage.17 After trying a variety of gasoline additives, scientists discovered that tetraethyl lead, a lead ...

Donald G. Gifford, 2010

Brush with Death: A Social History of Lead Poisoning

Chafing at these restrictions, Standard hired its own chemist, who developed a method of producing tetraethyl lead at one-fifth the cost of the DuPont process.17 In mid-1924, Standard began work on a facility within its Bayway plant to ...

Christian Warren, 2001

Air Quality Criteria for Lead

10.5 ALKYL LEAD METABOLISM The toxic effects caused by tetraethyl lead and tetramethyl lead are not produced by the tetraalkyl compounds themselves, but rather by the tri alkyl derivatives formed by dealkylation in the liver.*“-"' Tetraethyl  ...

United States. Environmental Protection Agency. Office of Research and Development, 1977

10 NOTÍCIAS NAS QUAIS SE INCLUI O TERMO «TETRAETHYL LEAD»

Conheça de que se fala nos meios de comunicação nacionais e internacionais e como se utiliza o termo tetraethyl lead no contexto das seguintes notícias.

Old debate on lead rekindled

But the major culprit in the spread of lead is the anti-knock additive to the automobile fuel, tetraethyl lead (TEL). The history of how TEL was unnecessarily thrust ... «The Hindu, jun 15»

Corrupt Executives Sent To Prison For Pumping Toxic Leaded Fuel …

"This obviously did not happen for a number of reasons and since 1st January 2000 until the present, we have supplied 28,390 [tons] of [tetraethyl lead] ... «Huffington Post, ago 14»

Tetraethyl lead bribery case ends with four executives convicted

They relate to the company's efforts to prolong sales of the fuel additive tetraethyl lead (TEL), which was banned in the UK in 2000, after it was found to be toxic ... «Chemistry World, ago 14»

Three men jailed over the bribing of Indonesian and Iraqi officials

... Office investigation into the payment of bribes by Associated Octel, subsequently renamed Innospec, to increase sales of the toxic fuel additive tetraethyl lead. «The Guardian, ago 14»

Depleted Uranium And The Iraq War's Legacy Of Cancer

As depleted uranium is 1.67 times denser than lead, a depleted uranium projectile .... From the 1920s to the mid-1970s, tetraethyl lead was added to gasoline to ... «Mintpress News, jul 14»

'Cosmos' recap: Getting a fix on Earth's age, and the danger of lead

The same can be said for a material like lead, as we learn in this week's "Cosmos. .... The worst form was tetraethyl lead (TEL), a common additive to gasoline in ... «Los Angeles Times, abr 14»

Did removing lead from petrol spark a decline in crime?

He created tetraethyl lead - a compound that would make car engines more efficient than ever. But did the lead that we added to our petrol do something so ... «BBC News, abr 14»

'Nobody on planet untouched by impacts of climate change'

Reduced food production could lead to conflict, the report also finds. .... As Tetraethyl lead tended to block up the converters the use of unleaded petrol was ... «Channel 4 News, mar 14»

Executives 'paid bribes to sell toxic chemical'

... to secure contracts for tetraethyl lead (TEL) — the “lead” in leaded petrol. ... because it creates lead deposits that can cause severe neurological damage. «The Times, mar 14»

The Toxins That Threaten Our Brains

It wasn't news that many of the chemicals on this list (arsenic, DDT, lead) are toxic. .... In 1921, General Motors began adding tetraethyl lead to gasoline. Lead ... «The Atlantic, mar 14»