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In chemistry, initiation is a chemical reaction that triggers one or more secondary reactions. Often the initiation reaction generates a reactive intermediate from a stable molecule which is then involved in secondary reactions. In polymerisation, initiation is followed by a chain reaction and termination.

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  • Amorçage (chimie) (fr)
  • Initiation (chemistry) (en)
  • Initiatie (scheikunde) (nl)
  • Iniciação química (pt)
  • 起始反應 (zh)
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  • In chemistry, initiation is a chemical reaction that triggers one or more secondary reactions. Often the initiation reaction generates a reactive intermediate from a stable molecule which is then involved in secondary reactions. In polymerisation, initiation is followed by a chain reaction and termination. (en)
  • En chimie, l'amorçage (en anglais : initiation) est une réaction chimique qui déclenche une ou plusieurs réactions secondaires. La réaction d'amorçage génère souvent un intermédiaire réactionnel issu d'une molécule stable qui est alors impliqué dans les réactions secondaires. Au cours d'une polymérisation en chaîne, l'amorçage est suivi d'une réaction de propagation ; des réactions de terminaison et de transfert de chaîne peuvent intervenir. (fr)
  • Initiatie is een proces waarbij reactieve tussenproducten ontstaan die een kettingreactie op gang brengen. Initiatie wordt gevolgd door propagatie; de kettingreactie wordt afgesloten door terminatie. (nl)
  • Em química, iniciação é uma reação química que tenha um ou mais reações secundárias. Propriamente a iniciação das reações é geral uma reação intermediária de uma molécula onde é envolvida em uma transformação química secundária. Na polimerização, a iniciação é abaixo por uma reação em cadeia e por um radical. (pt)
  • 在化學中,起始反應是指會引發一個或多個反應的化學反應。一般起始反應會使穩定的分子分解,產生中間產物,再由中間產物產生其他的反應。在聚合反應中,起始反應後會有链反应及。 以利用烷氧基自由基催化的溴化氫和烯烴反應為例,其中前二步產生溴的自由基,而自由基再參與後續的反應,此二步即為起始反應。 (zh)
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  • In chemistry, initiation is a chemical reaction that triggers one or more secondary reactions. Often the initiation reaction generates a reactive intermediate from a stable molecule which is then involved in secondary reactions. In polymerisation, initiation is followed by a chain reaction and termination. (en)
  • En chimie, l'amorçage (en anglais : initiation) est une réaction chimique qui déclenche une ou plusieurs réactions secondaires. La réaction d'amorçage génère souvent un intermédiaire réactionnel issu d'une molécule stable qui est alors impliqué dans les réactions secondaires. Au cours d'une polymérisation en chaîne, l'amorçage est suivi d'une réaction de propagation ; des réactions de terminaison et de transfert de chaîne peuvent intervenir. (fr)
  • Initiatie is een proces waarbij reactieve tussenproducten ontstaan die een kettingreactie op gang brengen. Initiatie wordt gevolgd door propagatie; de kettingreactie wordt afgesloten door terminatie. (nl)
  • Em química, iniciação é uma reação química que tenha um ou mais reações secundárias. Propriamente a iniciação das reações é geral uma reação intermediária de uma molécula onde é envolvida em uma transformação química secundária. Na polimerização, a iniciação é abaixo por uma reação em cadeia e por um radical. (pt)
  • 在化學中,起始反應是指會引發一個或多個反應的化學反應。一般起始反應會使穩定的分子分解,產生中間產物,再由中間產物產生其他的反應。在聚合反應中,起始反應後會有链反应及。 以利用烷氧基自由基催化的溴化氫和烯烴反應為例,其中前二步產生溴的自由基,而自由基再參與後續的反應,此二步即為起始反應。 (zh)
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