{"id":128447,"date":"2024-06-06T20:05:30","date_gmt":"2024-06-06T17:05:30","guid":{"rendered":"https:\/\/milliycha.uz\/?p=128447"},"modified":"2024-06-06T20:05:35","modified_gmt":"2024-06-06T17:05:35","slug":"kremniy-2","status":"publish","type":"post","link":"https:\/\/milliycha.uz\/ru\/kremniy-2\/","title":{"rendered":"Kremniy"},"content":{"rendered":"\n<p>Kremniy (1U)-oksid, kremniy dioksid, (qumtuproq), SiO2 \u2014 rang- siz kristall, amorf yoki shishasimon modda. Er yuzida eng ko&#8217;p tarqalgan birikma; kvars, tog&#8217;xrustali, kum- tuprok va b. shakllarda uchraydi. Bir necha polimorf shakl o&#8217;zgarishi (mo- difikasiya) ga ega. a-kvars, R-kvars, a-tridimit, r-tridimit, a-kristobalit, r-kristobalit, kitit, koesit, stishovit, talasimon SiO2 va shishasimon SiO2. Ta- biatda eng ko&#8217;tt tarqalgan kvars, u kvars qumi (qumtuproq), agat, ametist va b. mi- nerallar ko&#8217;rinishida bo&#8217;ladi. SiO2 ning kristall shakllari SiO4 tetraedrlari- dan tuzilgan, a va r-shakllarda esa tetra- edrlar birmuncha surilgan va burilgan holda bo&#8217;ladi. Suyuqlanish t-rasi 1723\u00b0, suvda eruvchanligi 10 3% (massasiga nisbatan) mineral kislotalar (ng&#8217;dan tashqari) va organik kislotalarda eri &#8212; maydi. Silikat shisha va shishasimon ma- teriallar, chinni, fayans, sopol buyumlar, olovbardosh va silikat gishtlar, tsement va abraziv materiallar i.ch.da qo&#8217;llanadi. Kvars monokristallari radiotexnikada (turli sozlovchi asboblar, filtrlar, re- zovatorlar va b.), elektronikada va optic asboblar tayyorlashda ishlatiladi.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kremniy (1U)-oksid, kremniy dioksid, (qumtuproq), SiO2 \u2014 rang- siz kristall, amorf yoki shishasimon modda. Er yuzida eng ko&#8217;p tarqalgan birikma; kvars, tog&#8217;xrustali, kum- tuprok va b. shakllarda uchraydi. Bir necha &hellip; <a href=\"https:\/\/milliycha.uz\/ru\/kremniy-2\/\" class=\"more-link\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":99837,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[201],"tags":[],"class_list":["post-128447","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-k-harfi","entry"],"translation":{"provider":"WPGlobus","version":"3.0.2","language":"ru","enabled_languages":["uz","kr","ru"],"languages":{"uz":{"title":true,"content":true,"excerpt":false},"kr":{"title":false,"content":false,"excerpt":false},"ru":{"title":false,"content":false,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/posts\/128447","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/comments?post=128447"}],"version-history":[{"count":1,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/posts\/128447\/revisions"}],"predecessor-version":[{"id":128459,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/posts\/128447\/revisions\/128459"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/media\/99837"}],"wp:attachment":[{"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/media?parent=128447"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/categories?post=128447"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/tags?post=128447"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}