The activation simba

Nemakemikari anogona kutora nzvimbo panguva aimhanya-siyana. Vamwe vavo apera mukati masekonzi mashoma, apo vanogona vamwe kugara kwemaawa, mazuva kana kunyange emakore. Kuti tizive kuita uye kukura anodiwa zvokushandisa, uyewo uwandu chigadzirwa anogadzirwa, zvakakosha kuziva mwero panguva iyo nemakemikari kuitika. Inogona kuva netsika dzakasiyana, zvichienderana:
wevasungwa of reactants;
ndiye tembiricha wegadziriro.

musayendisiti Swedish S. Arrhenius mukupera namapfumbamwe remakore, zvakanzi vakaturikira vachiti mukana wokuti vanhu vanga unoratidza kutsamira pane makemikari maitiro mwero iri parameter yakadai activation simba. mufananidzo uyu kugara ukoshi pakutsvaga hunhu uye namakemikari kudyidzana pakati zvinhu.
By pfungwa musayendisiti vakaita pamwe rupinde chete mamorekuru avo achiumbwa kubva kwakajairika uye vari kufamba. nezvimedu kwakadaro makadanirwa vachishingaira. The activation simba - ndiro simba chinodiwa kuenda vanhuwo mamorekuru ari mamiriro umo sangano ravo uye kuva uchitsanya apindure.

Mukuita kwemakemikari kusakarongeka pakati tudonhwe nefuma vaparadzwa, uye vamwe muka. Panyaya iyi, kushandura kubatana pakati pavo, kuti, zviri Erekitironi arambe achirema iri redistributed. kuerera mwero makemikari maitiro umo kukurukurirana yekare raizoparadzwa zvachose, vaizova muzasizasi ukoshi. Kana mari iyi simba anofanira kuipa kumusoro. kuongorora kwesayenzi kwakaratidza kuti mukufamba nekuita pakati zvinhu, chero maitiro unoumba ane kusashanda yakaoma, iyo kwayo Transitional mamiriro. Panyaya iyi, akare ukama vari simba uye zvitsva chete apa. Nguva iyi iduku kwazvo. Ndiye chikamu chechipiri. Mugumisiro pokuwa uyu paumbwe zvakaoma pokutangira zvokuvakisa, kana kuti makemikari kudyidzana zvigadzirwa.

Kuti yezwi rokuti akasimuka kudiwa kuti basa hurongwa. Ndizvo zvakaita activation nesimba makemikari kuita. Education Kuchinja kunzwisisa kunotsanangurwa simba, vane mamorekuru. Uwandu inoramba yakadaro hurongwa kunobva tembiricha. Kana zviri kumusoro zvakakwana, iyo chikamu vanoshingaira mamorekuru yakakura. Kukosha kwesimba nekuita yavo yakakwirira kana akaenzana indekisi, anotaurwa so "activation simba." Saka, panguva zvakakwana yakakwirira tembiricha nhamba mamorekuru vanokwanisa wezvamatongerwe kuchinja yakaoma kumusoro. Somugumisiro, makemikari zvakaitwa mwero kunowedzera. Mukupesana, kana activation simba kwakakosha, nhamba inoramba anokwanisa kuwirirana diki.
Kuva mukuru simba chipingamupinyi ndiye chipingamupinyi nemakemikari yakaderera tembiricha asi fungidziro dzavo ariko. Exothermic uye endothermic mukukurukurirana vane unhu hwakasiyana. Wokutanga wavo kuitika yakadereresa activation simba, uye wechipiri - pamwe kupfuura.

Richishandiswa pfungwa iyi wefizikisi. The activation simba pamusoro semiconductor kuri shoma simba zvinofanira kupa kumhanyisa maerekitironi kupinda conduction bhendi. The zvisungo pakati maatomu panguva kwacho. Uyezve, imwe Erekitironi atama kubva Valence boka kusvika conduction zvekutepfenyura. Tembiricha kuwedzera mhaka chafariz misha amplification inoramba. Muchikamu ichi Erekitironi achipinda akasununguka mutariri vatakuri. Dzomunyika kwokubatana inogona kutyorwa nokuda yemagetsi munda, chiedza, etc. The activation simba zviri yepamusoro tsika dziri mukati semiconductors tichienzanisa kusachena.