{"id":351,"date":"2023-02-11T20:58:57","date_gmt":"2023-02-11T17:58:57","guid":{"rendered":"https:\/\/blogs.e-me.edu.gr\/sniavis\/?p=351"},"modified":"2023-02-12T22:34:17","modified_gmt":"2023-02-12T19:34:17","slug":"8-3-%ce%b9%ce%b4%ce%b9%cf%8c%cf%84%ce%b7%cf%84%ce%b5%cf%82-%cf%84%ce%bf%cf%85-%ce%be%cf%8d%ce%bb%ce%bf%cf%85","status":"publish","type":"post","link":"https:\/\/blogs.e-me.edu.gr\/sniavis\/2023\/02\/11\/8-3-%ce%b9%ce%b4%ce%b9%cf%8c%cf%84%ce%b7%cf%84%ce%b5%cf%82-%cf%84%ce%bf%cf%85-%ce%be%cf%8d%ce%bb%ce%bf%cf%85\/","title":{"rendered":"8.3. \u0399\u03b4\u03b9\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03c4\u03bf\u03c5 \u03be\u03cd\u03bb\u03bf\u03c5"},"content":{"rendered":"<p><strong>8.3.1. \u03a0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1<\/strong><\/p>\n<p><strong>\u0397 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03c3\u03c7\u03ad\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03bc\u03ac\u03b6\u03b1\u03c2 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03bf\u03bd \u03cc\u03b3\u03ba\u03bf \u03ba\u03b1\u03b9 \u03bc\u03b5\u03c4\u03c1\u03b9\u03ad\u03c4\u03b1\u03b9 \u03c3\u03b5 gr\/cm<sup>3<\/sup><\/strong>. \u0397 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03be\u03cd\u03bb\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03bf\u03c2\u00a0\u03b4\u03b5\u03af\u03ba\u03c4\u03b7\u03c2 \u03c4\u03c9\u03bd \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ce\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03ce\u03bd \u03b9\u03b4\u03b9\u03bf\u03c4\u03ae\u03c4\u03c9\u03bd \u03c4\u03bf\u03c5.<\/p>\n<p>\u0395\u03c0\u03b5\u03b9\u03b4\u03ae \u03cc\u03bc\u03c9\u03c2 \u03c4\u03bf \u03b2\u03ac\u03c1\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03bf \u03cc\u03b3\u03ba\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03be\u03cd\u03bb\u03bf\u03c5 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c5\u03b3\u03c1\u03b1\u03c3\u03af\u03b1, \u03c0\u03b1\u03af\u03c1\u03bd\u03bf\u03c5\u03bc\u03b5\u00a0<strong>\u03c3\u03c9\u03c3\u03c4\u03ac \u03c3\u03c5\u03b3\u03ba\u03c1\u03b9\u03c4\u03b9\u03ba\u03ac \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03b1<\/strong>, \u03bc\u03cc\u03bd\u03bf \u03cc\u03c4\u03b1\u03bd \u03c0\u03c1\u03cc\u03ba\u03b5\u03b9\u03c4\u03b1\u03b9 \u03c0\u03b5\u03c1\u03af \u03c5\u03bb\u03b9\u03ba\u03ce\u03bd \u03bc\u03b5 \u03cc\u03bc\u03bf\u03b9\u03b1 \u03c5\u03b3\u03c1\u03b1\u03c3\u03af\u03b1 \u03ae, \u03b1\u03ba\u03c1\u03b9\u03b2\u03ad\u03c3\u03c4\u03b5\u03c1\u03b1, \u03cc\u03c4\u03b1\u03bd \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5\u00a0<strong>\u03c4\u03b7 \u03c3\u03c7\u03ad\u03c3\u03b7 \u03c4\u03bf\u03c5 \u201c\u03be\u03b7\u03c1\u03bf\u03cd\u201d \u03b2\u03ac\u03c1\u03bf\u03c5\u03c2 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03bf\u03bd \u201c\u03be\u03b7\u03c1\u03cc\u201d \u03cc\u03b3\u03ba\u03bf<\/strong>.<\/p>\n<p><strong>\u0391\u03ba\u03cc\u03bc\u03b7 \u03cc\u03bc\u03c9\u03c2 \u03ba\u03b1\u03b9 \u03be\u03cd\u03bb\u03b1 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03bf\u03ad\u03c1\u03c7\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03af\u03b4\u03b9\u03bf \u03ba\u03bf\u03c1\u03bc\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03bd \u03bd\u03b1 \u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03b9\u03ac\u03b6\u03bf\u03c5\u03bd \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ae \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1,<\/strong>\u00a0\u03b5\u03c0\u03b5\u03b9\u03b4\u03ae\u00a0<strong>\u03c4\u03bf \u03c3\u03bf\u03bc\u03c6\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c1\u03b1\u03b9\u03cc\u03c4\u03b5\u03c1\u03bf \u03b1\u03c0\u03cc \u03c4\u03bf \u03b5\u03b3\u03ba\u03ac\u03c1\u03b4\u03b9\u03bf<\/strong>.\u00a0\u0386\u03c1\u03b1, \u03cc\u03c3\u03bf \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03bf\u03c7\u03ae \u03c4\u03bf\u03c5 \u03b5\u03b3\u03ba\u03ac\u03c1\u03b4\u03b9\u03bf\u03c5 \u03be\u03cd\u03bb\u03bf\u03c5 \u03c3\u03c4\u03bf \u03b4\u03b5\u03af\u03b3\u03bc\u03b1 \u03c0\u03bf\u03c5 \u03bc\u03b5\u03bb\u03b5\u03c4\u03ac\u03bc\u03b5, \u03c4\u03cc\u03c3\u03bf \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b1\u03bd\u03b1\u03bc\u03ad\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03ac \u03c4\u03bf\u03c5.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>8.3.2. \u03a0\u03b5\u03c1\u03b9\u03b5\u03ba\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c3\u03b5 \u03c5\u03b3\u03c1\u03b1\u03c3\u03af\u03b1<\/strong><\/p>\n<p>\u039c\u03b9\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03b2\u03b1\u03c3\u03b9\u03ba\u03ad\u03c2 \u03b9\u03b4\u03b9\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03c4\u03bf\u03c5 \u03be\u03cd\u03bb\u03bf\u03c5 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bf\u03c0\u03c9\u03c3\u03b4\u03ae\u03c0\u03bf\u03c4\u03b5 \u03bd\u03b1 \u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c5\u03c0\u03cc\u03c8\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03c0\u03b5\u03c1\u03b9\u03b5\u03ba\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03ac \u03c4\u03bf\u03c5 \u03c3\u03b5 \u03c5\u03b3\u03c1\u03b1\u03c3\u03af\u03b1, \u03b4\u03b7\u03bb\u03b1\u03b4\u03ae\u00a0<strong>\u03c4\u03bf \u03c0\u03bf\u03c3\u03bf\u03c3\u03c4\u03cc \u03c4\u03bf\u03c5 \u03bd\u03b5\u03c1\u03bf\u03cd \u03c0\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03be\u03cd\u03bb\u03bf<\/strong>.<\/p>\n<p>\u0391\u03c0\u03cc \u03c4\u03b7\u03bd \u03c5\u03b3\u03c1\u03b1\u03c3\u03af\u03b1\u00a0\u03b5\u03be\u03b1\u03c1\u03c4\u03ce\u03bd\u03c4\u03b1\u03b9 \u03cc\u03bb\u03b5\u03c2 \u03c3\u03c7\u03b5\u03b4\u03cc\u03bd \u03bf\u03b9 \u03b9\u03b4\u03b9\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03c6\u03bf\u03c1\u03bf\u03cd\u03bd \u03c4\u03b7 \u03c3\u03c4\u03b5\u03c1\u03b5\u03cc\u03c4\u03b7\u03c4\u03b1, \u03c4\u03b7 \u03c1\u03af\u03ba\u03bd\u03c9\u03c3\u03b7, \u03c4\u03b7\u03bd \u03b1\u03bd\u03b8\u03b5\u03ba\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03ac \u03c4\u03bf\u03c5 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03b2\u03b9\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03bf\u03cd\u03c2 \u03c0\u03b1\u03c1\u03ac\u03b3\u03bf\u03bd\u03c4\u03b5\u03c2 \u03c6\u03b8\u03bf\u03c1\u03ac\u03c2\u00a0\u03ba\u03c4\u03bb.<\/p>\n<p><strong>\u0397 \u03c5\u03b3\u03c1\u03b1\u03c3\u03af\u03b1 \u03c4\u03bf\u03c5 \u03c6\u03c1\u03ad\u03c3\u03ba\u03bf\u03c5 \u03be\u03cd\u03bb\u03bf\u03c5 \u03ba\u03c5\u03bc\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc<\/strong>\u00a0<strong>60-200%<\/strong>. \u039c\u03b5\u03c4\u03ac \u03c4\u03b7\u03bd \u03ba\u03bf\u03c0\u03ae \u03c4\u03bf\u03c5 \u03b4\u03ad\u03bd\u03c4\u03c1\u03bf\u03c5, \u03c4\u03bf \u03be\u03cd\u03bb\u03bf \u03b1\u03c1\u03c7\u03af\u03b6\u03b5\u03b9 \u03bd\u03b1 \u03be\u03b7\u03c1\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9, \u03bf\u03c0\u03cc\u03c4\u03b5 \u03b5\u03bb\u03b1\u03c4\u03c4\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03b2\u03ac\u03c1\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03bf \u03cc\u03b3\u03ba\u03bf\u03c2 \u03c4\u03bf\u03c5.<\/p>\n<p>\u03a4\u03b1 \u03be\u03cd\u03bb\u03b1, \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1 \u03bc\u03b5 \u03c4\u03bf \u03c0\u03bf\u03cd \u03b8\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b7\u03b8\u03bf\u03cd\u03bd, \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03bf\u03c5\u03bd \u03ad\u03bd\u03b1 \u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf \u03c0\u03bf\u03c3\u03cc \u03c5\u03b3\u03c1\u03b1\u03c3\u03af\u03b1\u03c2. \u0394\u03b5\u03bd \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03be\u03b5\u03c7\u03bd\u03ac\u03bc\u03b5, \u03b2\u03ad\u03b2\u03b1\u03b9\u03b1, \u03cc\u03c4\u03b9 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03bf\u03cd\u03bd \u03ad\u03bd\u03b1\u00a0<strong>\u201c\u03b1\u03bd\u03bf\u03b9\u03c7\u03c4\u03cc \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1\u201d, \u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03b1\u03bd\u03c4\u03b1\u03bb\u03bb\u03ac\u03c3\u03c3\u03b5\u03b9 \u03c5\u03b3\u03c1\u03b1\u03c3\u03af\u03b1 \u03bc\u03b5 \u03c4\u03bf \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd \u03c4\u03bf\u03c5, \u03ad\u03c9\u03c2 \u03cc\u03c4\u03bf\u03c5 \u03b2\u03c1\u03b5\u03b8\u03b5\u03af \u03c3\u03b5 \u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b9\u03c3\u03bf\u03c1\u03c1\u03bf\u03c0\u03af\u03b1\u03c2 \u03bc\u03b5 \u03b1\u03c5\u03c4\u03cc<\/strong>. \u0391\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u03bc\u03b1 \u03c4\u03c9\u03bd \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9 \u03b1\u03bb\u03bb\u03b1\u03b3\u03ce\u03bd \u03c4\u03b7\u03c2 \u03c5\u03b3\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03b5\u03bd\u03cc\u03c2 \u03be\u03cd\u03bb\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bf\u03bb\u03ae \u03c4\u03c9\u03bd \u03c4\u03c1\u03b9\u03ce\u03bd \u03b4\u03b9\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03ce\u03bd \u03c4\u03bf\u03c5, \u03b5\u03af\u03c4\u03b5 \u03bc\u03ad\u03c3\u03c9 \u03b4\u03b9\u03cc\u03b3\u03ba\u03c9\u03c3\u03b7\u03c2 \u03b5\u03af\u03c4\u03b5 \u03bc\u03ad\u03c3\u03c9 \u03c1\u03af\u03ba\u03bd\u03c9\u03c3\u03b7\u03c2.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>8.3.3. \u0395\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ae \u03b1\u03bd\u03c4\u03bf\u03c7\u03ae<\/strong><\/p>\n<p>\u0393\u03b5\u03bd\u03b9\u03ba\u03ac, \u03c4\u03b1 \u03be\u03cd\u03bb\u03b1 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03b1\u03c1\u03ba\u03b5\u03c4\u03ac \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7\u00a0<strong>\u03b5\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1<\/strong>. \u0397 \u03b5\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b1\u03c5\u03c4\u03ae \u03b1\u03c5\u03be\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9, \u03cc\u03c3\u03bf \u03b1\u03c5\u03be\u03ac\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b7 \u03c5\u03b3\u03c1\u03b1\u03c3\u03af\u03b1 \u03ba\u03b1\u03b9 \u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03c4\u03bf\u03c5 \u03be\u03cd\u03bb\u03bf\u03c5, \u03ba\u03b1\u03b9 \u03bc\u03b5\u03b9\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9, \u03cc\u03c4\u03b1\u03bd \u03b1\u03c5\u03be\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b7 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1.<\/p>\n<p>\u0397 \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03b4\u03c5\u03bd\u03b1\u03c4\u03ae \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c0\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b1\u03c3\u03ba\u03b7\u03b8\u03b5\u03af \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03be\u03cd\u03bb\u03bf, \u03c7\u03c9\u03c1\u03af\u03c2 \u03b1\u03c5\u03c4\u03cc \u03bd\u03b1 \u03c3\u03c0\u03ac\u03c3\u03b5\u03b9, \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03af\u03b6\u03b5\u03b9 \u03c4\u03b7\u03bd\u00a0<strong>\u03b1\u03bd\u03c4\u03bf\u03c7\u03ae<\/strong>\u00a0\u03c4\u03bf\u03c5.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>8.3.4. \u03a3\u03ba\u03bb\u03b7\u03c1\u03cc\u03c4\u03b7\u03c4\u03b1<\/strong><\/p>\n<p>\u039c\u03b5 \u03c4\u03bf\u03bd \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9 \u03cc\u03c1\u03bf \u03b5\u03bd\u03bd\u03bf\u03bf\u03cd\u03bc\u03b5 \u03c4\u03b7\u03bd\u00a0<strong>\u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03bf\u03b2\u03ac\u03bb\u03bb\u03b5\u03b9 \u03c4\u03bf \u03be\u03cd\u03bb\u03bf, \u03cc\u03c4\u03b1\u03bd \u03c4\u03bf \u03ba\u03b1\u03c4\u03b5\u03c1\u03b3\u03b1\u03b6\u03cc\u03bc\u03b1\u03c3\u03c4\u03b5 \u03bc\u03b5 \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03b1 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1.<\/strong>\u00a0\u038c\u03c3\u03bf \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03c0\u03bf\u03c3\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf \u03b5\u03b3\u03ba\u03ac\u03c1\u03b4\u03b9\u03bf \u03be\u03cd\u03bb\u03bf \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03b4\u03b5\u03af\u03b3\u03bc\u03b1 \u03bc\u03b1\u03c2 \u03ba\u03b1\u03b9, \u03b5\u03c0\u03bf\u03bc\u03ad\u03bd\u03c9\u03c2, \u03cc\u03c3\u03bf \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03ad\u03c7\u03b5\u03b9, \u03c4\u03cc\u03c3\u03bf \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03c3\u03ba\u03bb\u03b7\u03c1\u03cc\u03c4\u03b7\u03c4\u03ac \u03c4\u03bf\u03c5. \u03a3\u03ba\u03bb\u03b7\u03c1\u03ac \u03bc\u03ad\u03c7\u03c1\u03b9 \u03c0\u03bf\u03bb\u03cd \u03c3\u03ba\u03bb\u03b7\u03c1\u03ac \u03be\u03cd\u03bb\u03b1 \u03b8\u03b5\u03c9\u03c1\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b7 \u03b4\u03c1\u03c5\u03c2, \u03b7 \u03bc\u03b5\u03bb\u03b9\u03ac \u03ae \u03ba\u03cc\u03ba\u03ba\u03b9\u03bd\u03b7 \u03bf\u03be\u03b9\u03ac \u03ba.\u03ac. \u0391\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b1, \u03bc\u03b1\u03bb\u03b1\u03ba\u03ac \u03be\u03cd\u03bb\u03b1 \u03b4\u03af\u03bd\u03bf\u03c5\u03bd \u03b7 \u03b5\u03bb\u03ac\u03c4\u03b7, \u03b7 \u03b5\u03c1\u03c5\u03b8\u03c1\u03b5\u03bb\u03ac\u03c4\u03b7, \u03b7 \u03c8\u03b5\u03c5\u03b4\u03bf\u03c4\u03c3\u03bf\u03cd\u03b3\u03ba\u03b1 \u03ae \u03bb\u03ac\u03c1\u03b9\u03be, \u03b7 \u03c3\u03b7\u03bc\u03cd\u03b4\u03b1 \u03ba.\u03ac.<\/p>\n<p>\u03a4\u03b1 \u03bc\u03b1\u03bb\u03b1\u03ba\u03ac \u03be\u03cd\u03bb\u03b1 \u03c4\u03b1 \u03ba\u03b1\u03c4\u03b5\u03c1\u03b3\u03b1\u03b6\u03cc\u03bc\u03b1\u03c3\u03c4\u03b5 \u03b5\u03c5\u03ba\u03bf\u03bb\u03cc\u03c4\u03b5\u03c1\u03b1 \u03b1\u03c0\u2019 \u03cc,\u03c4\u03b9 \u03c4\u03b1 \u03c3\u03ba\u03bb\u03b7\u03c1\u03ac, \u03b5\u03bc\u03c6\u03b1\u03bd\u03af\u03b6\u03bf\u03c5\u03bd \u03cc\u03bc\u03c9\u03c2 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b7 \u03b1\u03bd\u03c4\u03bf\u03c7\u03ae \u03c3\u03b5 \u03c6\u03b8\u03bf\u03c1\u03ac.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>8.3.5. \u0398\u03b5\u03c1\u03bc\u03bf\u03b1\u03b3\u03c9\u03b3\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1<\/strong><\/p>\n<p>\u03a4\u03bf \u03be\u03cd\u03bb\u03bf \u03ad\u03c7\u03b5\u03b9\u00a0<strong>\u03b5\u03bb\u03ac\u03c7\u03b9\u03c3\u03c4\u03b7 \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b8\u03b5\u03c1\u03bc\u03bf\u03b1\u03b3\u03c9\u03b3\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2<\/strong>, \u03b4\u03b7\u03bb\u03b1\u03b4\u03ae \u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03b9\u03ac\u03b6\u03b5\u03b9 \u03ac\u03c1\u03b9\u03c3\u03c4\u03b5\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03bc\u03bf\u03bd\u03c9\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b9\u03b4\u03b9\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2. \u0397 \u03b8\u03b5\u03c1\u03bc\u03bf\u03b1\u03b3\u03c9\u03b3\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b5\u03bd\u03cc\u03c2 \u03c5\u03bb\u03b9\u03ba\u03bf\u03cd \u03b5\u03ba\u03c6\u03c1\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03bf \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03b1\u03b3\u03c9\u03b3\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2. \u03a9\u03c2 \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03b1\u03b3\u03c9\u03b3\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03bf\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c4\u03bf \u03c0\u03bf\u03c3\u03cc \u03c4\u03b7\u03c2 \u03b8\u03b5\u03c1\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c0\u03bf\u03c5 \u03b4\u03b9\u03ad\u03c1\u03c7\u03b5\u03c4\u03b1\u03b9 \u03b4\u03b9\u03b1\u03bc\u03ad\u03c3\u03bf\u03c5 \u03b5\u03bd\u03cc\u03c2 \u03ba\u03cd\u03b2\u03bf\u03c5 \u03c7\u03c9\u03c1\u03b7\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 1 m<sup>3<\/sup>, \u03c3\u03b5 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03cc \u03b4\u03b9\u03ac\u03c3\u03c4\u03b7\u03bc\u03b1 \u03bc\u03b9\u03b1\u03c2 \u03ce\u03c1\u03b1\u03c2, \u03cc\u03c4\u03b1\u03bd \u03b7 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03c9\u03bd \u03b4\u03cd\u03bf \u03b1\u03c0\u03ad\u03bd\u03b1\u03bd\u03c4\u03b9 \u03b5\u03b4\u03c1\u03ce\u03bd \u03c4\u03bf\u03c5 \u03ba\u03cd\u03b2\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 1\u00b0C.<\/p>\n<p><a href=\"https:\/\/blogs.e-me.edu.gr\/kpatsialou\/wp-content\/uploads\/sites\/390\/2020\/02\/%CE%98%CE%B5%CF%81%CE%BC%CE%B9%CE%BA%CE%AE-%CE%B1%CE%B3%CF%89%CE%B3%CE%B9%CE%BC%CF%8C%CF%84%CE%B7%CF%84%CE%B1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-531 aligncenter\" src=\"https:\/\/blogs.e-me.edu.gr\/kpatsialou\/wp-content\/uploads\/sites\/390\/2020\/02\/%CE%98%CE%B5%CF%81%CE%BC%CE%B9%CE%BA%CE%AE-%CE%B1%CE%B3%CF%89%CE%B3%CE%B9%CE%BC%CF%8C%CF%84%CE%B7%CF%84%CE%B1.jpg\" alt=\"\" width=\"272\" height=\"266\" \/><\/a><\/p>\n<p><strong>\u039f \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03b1\u03b3\u03c9\u03b3\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03be\u03cd\u03bb\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03cc 0,09 \u03ad\u03c9\u03c2 0,28 Kcal\/mh\u00b0C<\/strong>. \u0393\u03b9\u03b1 \u03bd\u03b1 \u03b3\u03af\u03bd\u03b5\u03b9 \u03b1\u03bd\u03c4\u03b9\u03bb\u03b7\u03c0\u03c4\u03cc \u03c4\u03bf \u03bc\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03bc\u03cc\u03bd\u03c9\u03c3\u03b7\u03c2 \u03c0\u03bf\u03c5 \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03c4\u03bf \u03be\u03cd\u03bb\u03bf, \u03b1\u03c2 \u03bb\u03ac\u03b2\u03bf\u03c5\u03bc\u03b5 \u03c5\u03c0\u03cc\u03c8\u03b7 \u03bc\u03b1\u03c2 \u03cc\u03c4\u03b9 \u03bf \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03b1\u03b3\u03c9\u03b3\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf \u03b1\u03bb\u03bf\u03c5\u03bc\u03af\u03bd\u03b9\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 1400, \u03b3\u03b9\u03b1 \u03c4\u03bf \u03c3\u03af\u03b4\u03b7\u03c1\u03bf 350, \u03b3\u03b9\u03b1 \u03c4\u03b1 \u03c4\u03bf\u03cd\u03b2\u03bb\u03b1 4,5 \u03ba\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03bf \u03bd\u03b5\u03c1\u03cc 4!<\/p>\n<p>\u039f\u03b9\u00a0<strong>\u03ac\u03c1\u03b9\u03c3\u03c4\u03b5\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03bc\u03bf\u03bd\u03c9\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b9\u03b4\u03b9\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2<\/strong>\u00a0\u03c4\u03bf\u03c5 \u03be\u03cd\u03bb\u03bf\u03c5\u00a0\u03bf\u03c6\u03b5\u03af\u03bb\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c0\u03bf\u03c1\u03ce\u03b4\u03b5\u03c2 \u03c4\u03b7\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03ae\u03c2 \u03c4\u03bf\u03c5\u00a0\u03ba\u03b1\u03b9\u00a0\u03ad\u03c7\u03bf\u03c5\u03bd \u03c0\u03b1\u03af\u03be\u03b5\u03b9 \u03bc\u03b5\u03b3\u03ac\u03bb\u03bf \u03c1\u03cc\u03bb\u03bf \u03c3\u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03c4\u03bf\u03c5 \u03be\u03cd\u03bb\u03bf\u03c5 \u03c9\u03c2 \u03bf\u03b9\u03ba\u03bf\u03b4\u03bf\u03bc\u03b9\u03ba\u03bf\u03cd \u03c5\u03bb\u03b9\u03ba\u03bf\u03cd.<\/p>\n<div class=\"fluid-width-video-wrapper\"><\/div>\n<p><strong>8.3.6. \u0391\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b9\u03b4\u03b9\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03c4\u03bf\u03c5 \u03be\u03cd\u03bb\u03bf\u03c5<\/strong><\/p>\n<p>\u039f\u03b9 \u03be\u03cd\u03bb\u03b9\u03bd\u03b5\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03ad\u03c2 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc\u00a0<strong>\u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u03ba\u03b1\u03bb\u03ae \u03c0\u03c1\u03cc\u03c3\u03bb\u03b7\u03c8\u03b7 \u03ba\u03b1\u03b9 \u03bc\u03b5\u03c4\u03b1\u03b2\u03af\u03b2\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03ae\u03c7\u03bf\u03c5<\/strong>. \u03a7\u03ac\u03c1\u03b7 \u03c3\u03b5 \u03b1\u03c5\u03c4\u03ad\u03c2 \u03ba\u03c5\u03c1\u03af\u03c9\u03c2 \u03c4\u03b9\u03c2 \u03b1\u03ba\u03bf\u03c5\u03c3\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b9\u03b4\u03b9\u03cc\u03c4\u03b7\u03c4\u03ad\u03c2 \u03c4\u03bf\u03c5 \u03c4\u03bf \u03be\u03cd\u03bb\u03bf \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03b8\u03b7\u03ba\u03b5 \u03b5\u03c5\u03c1\u03cd\u03c4\u03b1\u03c4\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03ae \u03bc\u03bf\u03c5\u03c3\u03b9\u03ba\u03ce\u03bd \u03bf\u03c1\u03b3\u03ac\u03bd\u03c9\u03bd.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>8.3.7. \u039f\u03c0\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03c4\u03cd\u03c0\u03c9\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03be\u03cd\u03bb\u03bf\u03c5<\/strong><\/p>\n<p>\u039c\u03b5 \u03c4\u03bf\u03bd \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9 \u03cc\u03c1\u03bf \u03b5\u03bd\u03bd\u03bf\u03bf\u03cd\u03bc\u03b5 \u03c4\u03b7\u03bd\u00a0<strong>\u03b5\u03b9\u03ba\u03cc\u03bd\u03b1 \u03c0\u03bf\u03c5 \u03b5\u03bc\u03c6\u03b1\u03bd\u03af\u03b6\u03b5\u03b9 \u03c4\u03bf \u03be\u03cd\u03bb\u03bf \u03bb\u03cc\u03b3\u03c9 \u03c4\u03bf\u03c5 \u03c7\u03c1\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03c9\u03bd \u03c3\u03c7\u03b5\u03b4\u03af\u03c9\u03bd \u03c4\u03bf\u03c5<\/strong>. \u03a4\u03b1 \u03c7\u03c1\u03ce\u03bc\u03b1\u03c4\u03b1 \u03c4\u03c9\u03bd \u03be\u03cd\u03bb\u03c9\u03bd \u03ba\u03c5\u03bc\u03b1\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03b1\u03c3\u03c0\u03c1\u03bf\u03ba\u03af\u03c4\u03c1\u03b9\u03bd\u03bf (\u03c0.\u03c7. \u03b5\u03c1\u03c5\u03b8\u03c1\u03b5\u03bb\u03ac\u03c4\u03b7), \u03ba\u03b9\u03c4\u03c1\u03b9\u03bd\u03bf\u03ba\u03ac\u03c3\u03c4\u03b1\u03bd\u03bf (\u03c0.\u03c7. \u03b4\u03c1\u03c5\u03c2, \u03c3\u03ba\u03bb\u03ae\u03b8\u03c1\u03b1 \u03ba.\u03ac.), \u03c0\u03c1\u03b1\u03c3\u03b9\u03bd\u03c9\u03c0\u03cc (\u03c0.\u03c7. \u03c8\u03b5\u03c5\u03b4\u03b1\u03ba\u03b1\u03ba\u03af\u03b1), \u03c3\u03ba\u03bf\u03cd\u03c1\u03bf \u03ba\u03b1\u03c3\u03c4\u03b1\u03bd\u03cc (\u03c0.\u03c7. \u03ba\u03b1\u03c1\u03c5\u03b4\u03b9\u03ac, \u03c1\u03b5\u03af\u03ba\u03b9), \u03b2\u03b9\u03bf\u03bb\u03b5\u03c4\u03af (\u03c0.\u03c7. \u03b4\u03b1\u03bc\u03b1\u03c3\u03ba\u03b7\u03bd\u03b9\u03ac, \u03c0\u03b1\u03bb\u03af\u03c3\u03c3\u03b1\u03bd\u03b4\u03c1\u03bf) \u03bc\u03ad\u03c7\u03c1\u03b9 \u03bc\u03b1\u03cd\u03c1\u03bf (\u03ad\u03b2\u03b5\u03bd\u03bf\u03c2).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-384 aligncenter\" src=\"https:\/\/blogs.e-me.edu.gr\/kpatsialou\/wp-content\/uploads\/sites\/390\/2020\/02\/Wood-286x300.jpg\" alt=\"\" width=\"477\" height=\"500\" \/><\/p>\n<p><strong>\u03a3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03c4\u03bf \u03c3\u03bf\u03bc\u03c6\u03cc \u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03b5\u03b9 \u03ba\u03b1\u03c4\u03ac \u03c4\u03bf \u03c7\u03c1\u03ce\u03bc\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03ac\u03bb\u03bb\u03b1 \u03bc\u03ad\u03c1\u03b7 \u03c4\u03bf\u03c5 \u03af\u03b4\u03b9\u03bf\u03c5 \u03be\u03cd\u03bb\u03bf\u03c5<\/strong>. \u0397 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03b1\u03c5\u03c4\u03ae \u03c3\u03b5 \u03ac\u03bb\u03bb\u03b1 \u03b4\u03ad\u03bd\u03c4\u03c1\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7 (\u03c0.\u03c7. \u03b4\u03c1\u03c5\u03c2), \u03c3\u03b5 \u03ac\u03bb\u03bb\u03b1 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b7 (\u03c0.\u03c7. \u03bf\u03be\u03b9\u03ac, \u03ba\u03b1\u03c1\u03c5\u03b4\u03b9\u03ac) \u03ba\u03b1\u03b9 \u03c3\u03b5 \u03ac\u03bb\u03bb\u03b1 \u03b1\u03bc\u03b5\u03bb\u03b7\u03c4\u03ad\u03b1 (\u03c0.\u03c7. \u03b5\u03bb\u03ac\u03c4\u03b7).<\/p>\n<p><strong>\u03a4\u03b1 \u03c3\u03c7\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03b5\u03bc\u03c6\u03b1\u03bd\u03af\u03b6\u03bf\u03c5\u03bd \u03c4\u03b1 \u03be\u03cd\u03bb\u03b1 \u03c0\u03bf\u03b9\u03ba\u03af\u03bb\u03bb\u03bf\u03c5\u03bd<\/strong>. \u0391\u03bb\u03bb\u03bf\u03cd \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03bb\u03ac \u03ba\u03b1\u03b9 \u03ba\u03b1\u03bd\u03bf\u03bd\u03b9\u03ba\u03ac \u03c3\u03c7\u03ad\u03b4\u03b9\u03b1, \u03b1\u03bb\u03bb\u03bf\u03cd \u03bc\u03b5 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03ba\u03c5\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03bb\u03bb\u03bf\u03cd \u03b6\u03c9\u03b7\u03c1\u03ac \u03ba\u03b1\u03b9 \u03b1\u03ba\u03b1\u03bd\u03cc\u03bd\u03b9\u03c3\u03c4\u03b1.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>8.3.8. \u03a6\u03c5\u03c3\u03b9\u03ba\u03ae \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03be\u03cd\u03bb\u03bf\u03c5<\/strong><\/p>\n<p><strong>\u03a4\u03bf \u03b5\u03b3\u03ba\u03ac\u03c1\u03b4\u03b9\u03bf \u03be\u03cd\u03bb\u03bf<\/strong>\u00a0\u03c0\u03bf\u03bb\u03bb\u03ce\u03bd \u03b5\u03b9\u03b4\u03ce\u03bd \u03be\u03c5\u03bb\u03b5\u03af\u03b1\u03c2 \u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03b9\u03ac\u03b6\u03b5\u03b9\u00a0<strong>\u03b1\u03c5\u03be\u03b7\u03bc\u03ad\u03bd\u03b7 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ae \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03b2\u03b9\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03bf\u03cd\u03c2 \u03c0\u03b1\u03c1\u03ac\u03b3\u03bf\u03bd\u03c4\u03b5\u03c2 \u03c6\u03b8\u03bf\u03c1\u03ac\u03c2<\/strong>.\u00a0\u0391\u03bd\u03c4\u03b9\u03b8\u03ad\u03c4\u03c9\u03c2,\u00a0<strong>\u03c4\u03bf \u03c3\u03bf\u03bc\u03c6\u03cc<\/strong>\u00a0\u03cc\u03bb\u03c9\u03bd \u03c4\u03c9\u03bd \u03be\u03cd\u03bb\u03c9\u03bd \u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03b9\u03ac\u03b6\u03b5\u03b9\u00a0<strong>\u03bc\u03b5\u03b9\u03c9\u03bc\u03ad\u03bd\u03b7 \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7<\/strong>\u00a0\u03c3\u03c4\u03bf\u03c5\u03c2 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9 \u03c0\u03b1\u03c1\u03ac\u03b3\u03bf\u03bd\u03c4\u03b5\u03c2.<\/p>\n<p>\u03a4\u03ad\u03bb\u03bf\u03c2, \u03b5\u03af\u03bd\u03b1\u03b9 \u03b3\u03bd\u03c9\u03c3\u03c4\u03cc \u03cc\u03c4\u03b9\u00a0<strong>\u03c4\u03bf \u03be\u03cd\u03bb\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03b9\u03b4\u03b9\u03b1\u03af\u03c4\u03b5\u03c1\u03b1 \u03b5\u03cd\u03c6\u03bb\u03b5\u03ba\u03c4\u03bf \u03c5\u03bb\u03b9\u03ba\u03cc<\/strong>.<\/p>\n<p>&nbsp;<\/p>\n<div class=\"fluid-width-video-wrapper\"><\/div>\n<p>\u0394\u03b5\u03af\u03c4\u03b5 \u03b5\u03b4\u03ce \u03bc\u03af\u03b1\u00a0<a href=\"https:\/\/www.wood-database.com\/\" target=\"_blank\" rel=\"noopener\">\u03b2\u03ac\u03c3\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd<\/a>\u00a0\u03bc\u03b5 \u03b5\u03af\u03b4\u03b7 \u03be\u03cd\u03bb\u03bf\u03c5 \u03b1\u03c0\u03cc \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf \u03c4\u03bf\u03bd \u03ba\u03cc\u03c3\u03bc\u03bf<\/p>\n","protected":false},"excerpt":{"rendered":"<p>8.3.1. \u03a0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u0397 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03c3\u03c7\u03ad\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03bc\u03ac\u03b6\u03b1\u03c2 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03bf\u03bd \u03cc\u03b3\u03ba\u03bf \u03ba\u03b1\u03b9 \u03bc\u03b5\u03c4\u03c1\u03b9\u03ad\u03c4\u03b1\u03b9 \u03c3\u03b5 gr\/cm3. \u0397 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03be\u03cd\u03bb\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03bf\u03c2\u00a0\u03b4\u03b5\u03af\u03ba\u03c4\u03b7\u03c2 \u03c4\u03c9\u03bd \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ce\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03ce\u03bd \u03b9\u03b4\u03b9\u03bf\u03c4\u03ae\u03c4\u03c9\u03bd \u03c4\u03bf\u03c5. \u0395\u03c0\u03b5\u03b9\u03b4\u03ae \u03cc\u03bc\u03c9\u03c2 \u03c4\u03bf \u03b2\u03ac\u03c1\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03bf \u03cc\u03b3\u03ba\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03be\u03cd\u03bb\u03bf\u03c5 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 &hellip; <\/p>\n<div class=\"more-link-wrapper\"><a href=\"https:\/\/blogs.e-me.edu.gr\/sniavis\/2023\/02\/11\/8-3-%ce%b9%ce%b4%ce%b9%cf%8c%cf%84%ce%b7%cf%84%ce%b5%cf%82-%cf%84%ce%bf%cf%85-%ce%be%cf%8d%ce%bb%ce%bf%cf%85\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;8.3. \u0399\u03b4\u03b9\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03c4\u03bf\u03c5 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