{"id":78870,"date":"2022-05-05T15:20:35","date_gmt":"2022-05-05T12:20:35","guid":{"rendered":"https:\/\/azbuki.bg\/?p=78870"},"modified":"2025-09-10T11:09:11","modified_gmt":"2025-09-10T08:09:11","slug":"sp-obuchenie-po-prirodni-nauki-i-varhovi-tehnologii-knizhka-2-2022-godina-xxxi","status":"publish","type":"post","link":"https:\/\/strategies.azbuki.bg\/en\/chemistry\/sadarzhanie-na-sp-obuchenie-po-prirodni-nauki-i-varhovi-tehnologii-2022\/sp-obuchenie-po-prirodni-nauki-i-varhovi-tehnologii-knizhka-2-2022-godina-xxxi\/","title":{"rendered":"Natural Science and Advanced Technology Education, 2\/2022, vol. 31"},"content":{"rendered":"<h4><strong><span style=\"color: #808080;\">EXPERIMENTS<\/span><\/strong><\/h4>\n<h3 class=\"jeg_post_title\">Determining the Dependence of the Speed of Sound in Air on the Temperature Based on Properties of Standing Waves<\/h3>\n<div class=\"jeg_meta_container\">\n<div class=\"jeg_post_meta jeg_post_meta_1\"><strong>Geo Kalfov<br \/>\n<\/strong><em>First Private Mathematical High School \u2013 Sofia (Bulgaria)<\/em><\/div>\n<\/div>\n<p><a href=\"https:\/\/doi.org\/10.53656\/nat2022-2.02\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/doi.org\/10.53656\/nat2022-2.02<\/a><\/p>\n<p><strong>Abstract.<\/strong> Standing waves are a naturally arising phenomenon in many situations where sound waves propagate in an enclosed medium&#8230;<\/p>\n<p><a class=\"btn btn-default\" href=\"https:\/\/strategies.azbuki.bg\/en\/uncategorized\/determining-the-dependence-of-the-speed-of-sound-in-air-on-the-temperature-based-on-properties-of-standing-waves\/\" target=\"_blank\" rel=\"noopener noreferrer\">SEE MORE<\/a><\/p>\n<p>&nbsp;<\/p>\n<hr \/>\n<h4><strong><span style=\"color: #808080;\">NEW APPROACHES<\/span><\/strong><\/h4>\n<h3>Comets \u2013 Part 1<\/h3>\n<p><strong>Pencho Markishki<\/strong><br \/>\n<em>Institute of Astronomy and National Astronomical Observatory - BAS<\/em><\/p>\n<p><a href=\"https:\/\/doi.org\/10.53656\/nat2022-2.03\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/doi.org\/10.53656\/nat2022-2.03<\/a><\/p>\n<p><strong>Abstract.<\/strong> The appearance of a bright comet is one of the most beautiful astronomical phenomena, attracting the attention of professionals and amateur astronomers, as well as the media around the world...<\/p>\n<p><a class=\"btn btn-default\" href=\"https:\/\/strategies.azbuki.bg\/en\/uncategorized\/kometite-i-chast\/\" target=\"_blank\" rel=\"noopener noreferrer\">SEE MORE<\/a><\/p>\n<p>&nbsp;<\/p>\n<hr \/>\n<h4><strong><span style=\"color: #808080;\">SCIENCE AND SOCIETY<\/span><\/strong><\/h4>\n<h3>Analogies Between Chemical Reactions and Quality of Workplace Environment<\/h3>\n<p><strong>\u00c0ngel Berna, Gonzalo Miranda<\/strong><br \/>\n<em>University of Valencia (Spain)<\/em><\/p>\n<p><a href=\"https:\/\/doi.org\/10.53656\/nat2022-2.04\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/doi.org\/10.53656\/nat2022-2.04<\/a><\/p>\n<p><strong>Abstract.<\/strong> Analogies are useful to deepen understanding of the object of study&#8230;<\/p>\n<p><a class=\"btn btn-default\" href=\"https:\/\/strategies.azbuki.bg\/en\/uncategorized\/analogies-between-chemical-reactions-and-quality-of-workplace-environment\/\" target=\"_blank\" rel=\"noopener noreferrer\">SEE MORE<\/a><\/p>\n<p>&nbsp;<\/p>\n<hr \/>\n<h4><span style=\"color: #808080;\"><strong>EDUCATION: THEORY AND PRACTICE<\/strong><\/span><\/h4>\n<h3>Investigation of the Behavior of Conical Piles of Granules and Powder<\/h3>\n<p><strong>Dragni Dragnev<\/strong><br \/>\n<em>Technische Universit\u00e4t M\u00fcnchen, Germany<\/em><\/p>\n<p><a href=\"https:\/\/doi.org\/10.53656\/nat2022-2.01\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/doi.org\/10.53656\/nat2022-2.01<\/a><\/p>\n<p><strong>Abstract.<\/strong> When a granular material is poured on top of a surface, the formation of a cone-like pile is observed...<\/p>\n<p><a class=\"btn btn-default\" href=\"https:\/\/strategies.azbuki.bg\/en\/uncategorized\/izsledvane-povedenieto-na-konichni-kupchini-ot-granuli-i-prah\/\">SEE MORE<\/a><\/p>\n<p>&nbsp;<\/p>\n<hr \/>\n<h4><span style=\"color: #808080;\"><strong>FROM THE RESEARCH LABORATORIES<\/strong><\/span><\/h4>\n<h3>Experimental Determination of the Specific Heat Capacity of Aqueous Licl Solutions as a Function of Temperature and Concentration<\/h3>\n<p><strong>Ivo Lozanov, Yavor Yordanov<\/strong><br \/>\n<em>National high School of Science and Mathematics (Sofia)<\/em><\/p>\n<p><a href=\"https:\/\/doi.org\/10.53656\/nat2022-2.05\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/doi.org\/10.53656\/nat2022-2.05<\/a><\/p>\n<p><strong>Abstract.<\/strong> This project is focused on the experimental determination of the specific heat capacity of aqueous solutions of LiCl with different mass concentrations as a function of temperature...<\/p>\n<p><a class=\"btn btn-default\" href=\"https:\/\/strategies.azbuki.bg\/en\/uncategorized\/eksperimentalno-opredelyane-zavisimostta-na-speczifichniya-toplinen-kapaczitet-na-vodni-raztvori-na-licil-ot-temperaturata-i-konczentracziyata-im\/\" target=\"_blank\" rel=\"noopener noreferrer\">SEE MORE<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>EXPERIMENTS Determining the Dependence of the Speed of Sound in Air on the Temperature Based on Properties of Standing Waves Geo Kalfov First Private Mathematical High School \u2013 Sofia (Bulgaria) https:\/\/doi.org\/10.53656\/nat2022-2.02 Abstract. Standing waves are a naturally arising phenomenon in many situations where sound waves propagate in an enclosed medium&#8230; \u0412\u0418\u0416 \u041f\u041e\u0412\u0415\u0427\u0415 &nbsp; NEW APPROACHES [&hellip;]<\/p>","protected":false},"author":124332423427287,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jnews-multi-image_gallery":[],"jnews_single_post":{"subtitle":"","format":"standard","video":"","gallery":"","source_name":"","source_url":"","via_name":"","via_url":"","override_template":"0","override":[{"single_blog_custom":"","parallax":"0","fullscreen":"0","sidebar":"","second_sidebar":"","sticky_sidebar":"0","share_position":"","share_float_style":"","show_share_counter":"0","show_view_counter":"0","show_featured":"0","show_post_meta":"0","show_post_author":"0","show_post_author_image":"0","show_post_date":"0","post_date_format":"","post_date_format_custom":"","show_post_category":"0","show_post_reading_time":"0","post_reading_time_wpm":"","show_post_tag":"0","show_prev_next_post":"0","show_popup_post":"0","number_popup_post":"1","show_author_box":"0","show_post_related":"0","show_inline_post_related":"0"}],"override_image_size":"0","image_override":[{"single_post_thumbnail_size":"","single_post_gallery_size":""}],"trending_post":"0","trending_post_position":"","trending_post_label":""},"jnews_primary_category":{"id":""}},"categories":[4195],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u0421\u043f. \u201e\u041e\u0431\u0443\u0447\u0435\u043d\u0438\u0435 \u043f\u043e \u043f\u0440\u0438\u0440\u043e\u0434\u043d\u0438 \u043d\u0430\u0443\u043a\u0438 \u0438 \u0432\u044a\u0440\u0445\u043e\u0432\u0438 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438\u201c, \u043a\u043d\u0438\u0436\u043a\u0430 2\/2022, \u0433\u043e\u0434\u0438\u043d\u0430 XXXI - \u0410\u0437-\u0431\u0443\u043a\u0438<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/bel.azbuki.bg\/chemistry\/sadarzhanie-na-sp-obuchenie-po-prirodni-nauki-i-varhovi-tehnologii-2022\/sp-obuchenie-po-prirodni-nauki-i-varhovi-tehnologii-knizhka-2-2022-godina-xxxi\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u0421\u043f. \u201e\u041e\u0431\u0443\u0447\u0435\u043d\u0438\u0435 \u043f\u043e \u043f\u0440\u0438\u0440\u043e\u0434\u043d\u0438 \u043d\u0430\u0443\u043a\u0438 \u0438 \u0432\u044a\u0440\u0445\u043e\u0432\u0438 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438\u201c, \u043a\u043d\u0438\u0436\u043a\u0430 2\/2022, \u0433\u043e\u0434\u0438\u043d\u0430 XXXI - \u0410\u0437-\u0431\u0443\u043a\u0438\" \/>\n<meta property=\"og:description\" content=\"EXPERIMENTS Determining the Dependence of the Speed of Sound in Air on the Temperature Based on Properties of Standing Waves Geo Kalfov First Private Mathematical High School \u2013 Sofia (Bulgaria) https:\/\/doi.org\/10.53656\/nat2022-2.02 Abstract. 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