силикон

силикон

Silicon is a chemical element known as a 'metalloid' (because it has intermediate properties between a metal and a non-metal). It is used as a semiconductor, for example in microchips in computers, and to make photovoltaic cells for solar panels.

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Settore/Dominio: Ambiente naturale
Categoria: Cambiamento climatico
Company: BBC
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силикон моноксиді

Chimica; Chimica inorganica

SiO A hard, abrasive, amorphous solid used as thin surface films to protect optical parts, mirrors, and aluminum coatings.

силикон нитриді

Chimica; Chimica inorganica

Si 3 N 4 A white, water-insoluble powder, resistant to thermal shock and to chemical reagents; used as a catalyst support and for stator blades of high-temperature gas turbines.

дизель

Ambiente naturale; Cambiamento climatico

Ordinary diesel, like regular petrol, is refined from oil but it is a thicker, heavier liquid with a higher 'energy density' - meaning it offers better fuel economy. On the down ...

диоксиндер

Ambiente naturale; Cambiamento climatico

Dioxins are chlorine-containing chemical compounds formed and emitted into the atmosphere usually as byproducts of human activity - waste incineration and fuel combustion being ...

экожүйе

Ambiente naturale; Cambiamento climatico

An ecosystem is the term applied to the interaction of a community of different living (organic) species - plants, animals and micro-organisms - with non-living (or inorganic) ...

кірленулер

Ambiente naturale; Cambiamento climatico

Emissions are the CO2 (and other greenhouse gases) produced by energy use, usually calculated and stated as an annual tally: also referred to as your carbon footprint. Your ...

энергия әсерлілігі

Ambiente naturale; Cambiamento climatico

Something that is energy efficient achieves the greatest useful output for the least expenditure of energy, or improves the ratio between the two. For example, energy efficient ...

энергия қарқындылығы

Ambiente naturale; Cambiamento climatico

An energy-intensive process uses a great deal of energy - and therefore produces high emissions - relative to its useful output. As an example, beef production, has recently been ...

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Settore/Dominio: Festival Categoria: Halloween

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Also known as All Hallow's Eve, Halloween is an annual holiday celebrated on October 31st in America, Canada, and the UK. It is supposedly the one day ...