[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.batiky.cz\/mikrovlnka\/#Article","mainEntityOfPage":"https:\/\/www.batiky.cz\/mikrovlnka\/","headline":"Mikrovlnka","name":"Mikrovlnka","description":"Tak t\u0159eba takov\u00e1 \u201eoby\u010dejn\u00e1\u201c mikrovlnn\u00e1 trouba. V\u011bt\u0161ina z n\u00e1s ji alespo\u0148 na oh\u0159ev b\u011b\u017en\u011b pou\u017e\u00edv\u00e1 doma nebo i v pr\u00e1ci. Jak na\u0161e ka\u017edodenn\u00ed p\u0159\u00edtelkyn\u011b funguje a k \u010demu jsou dobr\u00e9 bezpe\u010dnostn\u00ed pokyny? Vyn\u00e1lez V roce 1945 americk\u00fd vyn\u00e1lezce Percy Spencer vyr\u00e1b\u011bl magnetron pro radar. P\u0159i t\u00e9to \u010dinnosti zjistil, \u017ee se mu v kapse rozpustila tabulka […]","datePublished":"2018-01-14","dateModified":"2023-05-01","author":{"@type":"Person","@id":"https:\/\/www.batiky.cz\/author\/#Person","name":"","url":"https:\/\/www.batiky.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/6b1978a802e1d2522476d4f1a954a19e989b74ba84b3e15a182efb651cc75097?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/6b1978a802e1d2522476d4f1a954a19e989b74ba84b3e15a182efb651cc75097?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"batiky.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.batiky.cz\/wp-content\/uploads\/img_a310061_w2428_t1521018445.jpg","url":"https:\/\/www.batiky.cz\/wp-content\/uploads\/img_a310061_w2428_t1521018445.jpg","height":0,"width":0},"url":"https:\/\/www.batiky.cz\/mikrovlnka\/","about":["Produkty"],"wordCount":440,"articleBody":"\tTak t\u0159eba takov\u00e1 \u201eoby\u010dejn\u00e1\u201c mikrovlnn\u00e1 trouba. V\u011bt\u0161ina z n\u00e1s ji alespo\u0148 na oh\u0159ev b\u011b\u017en\u011b pou\u017e\u00edv\u00e1 doma nebo i v pr\u00e1ci. Jak na\u0161e ka\u017edodenn\u00ed p\u0159\u00edtelkyn\u011b funguje a k \u010demu jsou dobr\u00e9 bezpe\u010dnostn\u00ed pokyny?\t\tVyn\u00e1lezV roce 1945 americk\u00fd vyn\u00e1lezce Percy Spencer vyr\u00e1b\u011bl magnetron pro radar. P\u0159i t\u00e9to \u010dinnosti zjistil, \u017ee se mu v kapse rozpustila tabulka \u010dokol\u00e1dy. P\u0159isoudil to p\u016fsoben\u00ed mikrovln a objev byl na sv\u011bt\u011b. Prvn\u00ed mikrovlnn\u00e1 trouba byla vyrobena o dva roky pozd\u011bji. Ale byla od dne\u0161n\u00ed podoby je\u0161t\u011b hodn\u011b daleko. V\u00e1\u017eila asi 400 kg, tak\u017ee do kuchy\u0148sk\u00e9 linky by bylo asi t\u011b\u017ek\u00e9 ji za\u010dlenit, obzvl\u00e1\u0161t\u011b pak do vy\u0161\u0161\u00edch m\u00edst.\tJak oh\u0159\u00edv\u00e1?Z\u00e1kladem je p\u0159\u00edtomnost vody. Jej\u00ed molekuly se skl\u00e1daj\u00ed jak zn\u00e1mo ze dvou atom\u016f vod\u00edku a jednoho atomu kysl\u00edku. Vznikl\u00fd \u0161ipkov\u00fd tvar – dip\u00f3l nen\u00ed symetrick\u00fd a tud\u00ed\u017e ani elektrick\u00e9 n\u00e1boje nejsou vyv\u00e1\u017een\u00e9. Mikrovlny tedy p\u016fsob\u00ed to, \u017ee molekuly vody rozkmitaj\u00ed a dodaj\u00ed jim tak energii. Na rezonan\u010dn\u00ed frekvenci vody je nastavena frekvence mikrovln v troub\u011b. Tento jev p\u016fsob\u00ed uvoln\u011bn\u00ed velk\u00e9ho mno\u017estv\u00ed energie formou tepla. Jednodu\u0161e \u0159e\u010deno, v j\u00eddle prost\u011b kmit\u00e1 voda a t\u00edm ho oh\u0159\u00edv\u00e1.\tPro\u010d se j\u00eddlo to\u010d\u00ed?Proto\u017ee se uvnit\u0159 trouby mikrovlny odr\u00e1\u017e\u00ed o st\u011bny, vznikaj\u00ed tam tzv. minima a maxima. Podle toho, zda se mikrovlny v dan\u00e9m m\u00edst\u011b zeslabuj\u00ed nebo zesiluj\u00ed. Oto\u010dn\u00e1 z\u00e1kladna je nutn\u00e1 pro to, aby se eliminoval vliv maxim a minim a j\u00eddlo bylo oh\u0159\u00e1to co nejrovnom\u011brn\u011bji.\tN\u011bkolik rad\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ned\u00e1vejte tam kovy (rozkmit\u00e1n\u00edm molekul kov\u016f vznik\u00e1 siln\u00fd elektrick\u00fd proud a n\u00e1sledn\u00e9 jisk\u0159en\u00ed, sp\u00e1len\u00ed materi\u00e1lu)\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ned\u00e1vejte tam va\u0159it cel\u00e1 vejce (vnit\u0159ek se rychle za\u010dne va\u0159it a vodn\u00ed p\u00e1ra zajist\u00ed, \u017ee exploduje)\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ned\u00e1vejte tam j\u00eddlo na ledov\u00e9m tal\u00ed\u0159i (pravd\u011bpodobn\u011b praskne, proto\u017ee ho prudce oh\u0159eje hork\u00e9 j\u00eddlo)\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 mikrotenov\u00e9 s\u00e1\u010dky tam klidn\u011b d\u00e1vejte, ale prop\u00edchn\u011bte je, a\u0165 z nich m\u016f\u017ee unikat vodn\u00ed p\u00e1ra, jinak se postar\u00e1 o explozi jako u v\u00fd\u0161e uveden\u00e9ho vaj\u00ed\u010dka\u00a0Mikrovlnka prost\u011b vyu\u017e\u00edv\u00e1 poznatky modern\u00ed doby a je u\u017eite\u010dnou pomocnic\u00ed, kterou si v sou\u010dasn\u00e9 dob\u011b m\u016f\u017ee dovolit ka\u017ed\u00e1 dom\u00e1cnost. Z\u00e1rove\u0148 se m\u016f\u017ee prom\u011bnit v nebezpe\u010dnou zbra\u0148 v rukou obsluhy neznal\u00e9 princip\u016f jej\u00edho fungov\u00e1n\u00ed.                                                                                                                                                                                                                                                                                                                                                                                        4.2\/5 - (8 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Mikrovlnka","item":"https:\/\/www.batiky.cz\/mikrovlnka\/#breadcrumbitem"}]}]