{"id":301,"date":"2016-07-10T14:53:03","date_gmt":"2016-07-10T11:53:03","guid":{"rendered":"https:\/\/stwww1.weizmann.ac.il\/energy\/?p=301"},"modified":"2017-03-02T11:07:08","modified_gmt":"2017-03-02T09:07:08","slug":"%d7%94%d7%a4%d7%95%d7%a0%d7%a7%d7%a6%d7%99%d7%94-%d7%94%d7%90%d7%a7%d7%a1%d7%a4%d7%95%d7%a0%d7%a0%d7%a6%d7%99%d7%90%d7%9c%d7%99%d7%aa-%d7%9c%d7%9e%d7%aa%d7%a7%d7%93%d7%9e%d7%99%d7%9d","status":"publish","type":"post","link":"https:\/\/stwww1.weizmann.ac.il\/energy\/%d7%94%d7%a4%d7%95%d7%a0%d7%a7%d7%a6%d7%99%d7%94-%d7%94%d7%90%d7%a7%d7%a1%d7%a4%d7%95%d7%a0%d7%a0%d7%a6%d7%99%d7%90%d7%9c%d7%99%d7%aa-%d7%9c%d7%9e%d7%aa%d7%a7%d7%93%d7%9e%d7%99%d7%9d\/","title":{"rendered":"\u05d4\u05e4\u05d5\u05e0\u05e7\u05e6\u05d9\u05d4 \u05d4\u05d0\u05e7\u05e1\u05e4\u05d5\u05e0\u05e0\u05e6\u05d9\u05d0\u05dc\u05d9\u05ea: (\u05dc\u05de\u05ea\u05e7\u05d3\u05de\u05d9\u05dd)"},"content":{"rendered":"<p>\u05dc\u05de\u05ea\u05e2\u05e0\u05d9\u05d9\u05e0\u05d9\u05dd, \u05d4\u05de\u05ea\u05de\u05d8\u05d9\u05e7\u05d4 \u05d4\u05e7\u05e9\u05d5\u05e8\u05d4 \u05dc<span style=\"color: #804000\"><strong>\u05e4\u05d5\u05e0\u05e7\u05e6\u05d9\u05d4 \u05d4\u05de\u05e2\u05e8\u05d9\u05db\u05d9\u05ea<\/strong><\/span> (<strong><span style=\"color: #804000\">\u05d0\u05e7\u05e1\u05e4\u05d5\u05e0\u05e0\u05e6\u05d9\u05d0\u05dc\u05d9\u05ea = Exponential Function<\/span><\/strong>), \u05de\u05e4\u05d5\u05e8\u05d8\u05ea \u05d1\u05e2\u05de\u05d5\u05d3 \u05d6\u05d4. \u05d2\u05dd \u05d0\u05dc\u05d5 \u05e9\u05d0\u05d9\u05e0\u05dd \u05d9\u05db\u05d5\u05dc\u05d9\u05dd \u05dc\u05e2\u05e7\u05d5\u05d1 \u05d0\u05d7\u05e8 \u05d4\u05e4\u05d9\u05ea\u05d5\u05d7 \u05d4\u05de\u05ea\u05de\u05d8\u05d9, \u05d7\u05e9\u05d5\u05d1 \u05e9\u05d9\u05d1\u05d9\u05e0\u05d5 \u05e9\u05d4\u05de\u05ea\u05de\u05d8\u05d9\u05e7\u05d4 \u05db\u05d0\u05df \u05e0\u05db\u05d5\u05e0\u05d4, \u05d5<strong><span style=\"color: #800000\">\u05de\u05d4 \u05e9\u05d7\u05e9\u05d5\u05d1 \u05dc\u05d4\u05de\u05e9\u05da \u05d4\u05d9\u05d0 \u05d4\u05de\u05e1\u05e7\u05e0\u05d4 \u05d4\u05de\u05ea\u05e7\u05d1\u05dc\u05ea \u05de\u05d4\u05de\u05ea\u05de\u05d8\u05d9\u05e7\u05d4, \u05dc\u05d2\u05d1\u05d9 \u05d4\u05e7\u05e9\u05e8 \u05d1\u05d9\u05df \u05d0\u05d7\u05d5\u05d3 \u05d4\u05d2\u05d9\u05d3\u05d5\u05dc, \u05dc\u05de\u05e9\u05da \u05d6\u05de\u05df \u05d4\u05d4\u05db\u05e4\u05dc\u05d4<\/span><\/strong>.<\/p>\n<p dir=\"ltr\" style=\"text-align: center\"><strong>N = N<sub>0<\/sub>*e<sup>lt<\/sup><\/strong><\/p>\n<p dir=\"ltr\" style=\"text-align: center\"><strong>LnN = LnN<sub>0<\/sub>+ lt<\/strong><\/p>\n<p dir=\"ltr\" style=\"text-align: center\"><strong>Ln(N\/N<sub>0<\/sub>) = lt<\/strong><\/p>\n<p><strong><span style=\"color: #408080\">\u05d4\u05db\u05e4\u05dc\u05d4<\/span> \u05e4\u05d9\u05e8\u05d5\u05e9\u05d4 <span style=\"color: #800000\">\u05e4\u05e2\u05de\u05d9\u05d9\u05dd \u05d4\u05d2\u05d5\u05d3\u05dc \u05d4\u05de\u05e7\u05d5\u05e8\u05d9<\/span><\/strong>:<\/p>\n<p style=\"text-align: center\"><strong>N = 2N<sub>0<\/sub><\/strong><\/p>\n<p>\u05e0\u05d2\u05d3\u05d9\u05e8 \u05d0\u05ea \u05d6\u05de\u05df \u05d4\u05d4\u05db\u05e4\u05dc\u05d4 \u05db- T<sub>2<\/sub>:<\/p>\n<p dir=\"ltr\" style=\"text-align: center\"><strong>Ln2 = lT<sub>2<\/sub><\/strong><\/p>\n<p dir=\"ltr\" style=\"text-align: center\"><strong>T<sub>2<\/sub> = Ln2\/ l<\/strong><\/p>\n<p dir=\"ltr\" style=\"text-align: center\"><strong>Ln2 = 0.69315<\/strong><\/p>\n<p dir=\"ltr\" style=\"text-align: center\"><strong>l [%] = l*100<\/strong><\/p>\n<p dir=\"ltr\" style=\"text-align: center\"><strong>T<sub>2<\/sub> = Ln2*100\/ l [%] ~ 70\/ l [%]<\/strong><\/p>\n<p dir=\"ltr\" style=\"text-align: center\"><strong>T<sub>2<\/sub> ~ 70\/ l [%]<\/strong><\/p>\n<p><strong>\u05d6\u05d5\u05d4\u05d9 \u05e0\u05d5\u05e1\u05d7\u05d4 \u05de\u05e7\u05d5\u05e8\u05d1\u05ea \u05e9\u05e7\u05dc \u05dc\u05d6\u05db\u05d5\u05e8, \u05df\u05dc\u05d7\u05e9\u05d1 \u05e1\u05d3\u05e8 \u05d2\u05d5\u05d3\u05dc \u05e9\u05dc \u05d6\u05de\u05df \u05d4\u05db\u05e4\u05dc\u05d4.<\/strong><\/p>\n<p><strong>\u05d4\u05ea\u05db\u05d5\u05e0\u05d4 \u05d4\u05d7\u05e9\u05d5\u05d1\u05d4 \u05e9\u05dc \u05d2\u05d9\u05d3\u05d5\u05dc \u05de\u05e1\u05d5\u05d2 \u05d6\u05d4, \u05d4\u05d9\u05d0<\/strong> <span style=\"color: #800080\"><strong>\u05e9\u05d4\u05d6\u05de\u05df \u05d4\u05e0\u05d3\u05e8\u05e9 \u05dc\u05d4\u05d2\u05d3\u05dc\u05ea \u05d4\u05d2\u05d5\u05d3\u05dc \u05d4\u05db\u05de\u05d5\u05ea\u05d9 \u05d1\u05e9\u05d1\u05e8 \u05de\u05e1\u05d5\u05d9\u05dd \u05d4\u05d5\u05d0 \u05e7\u05d1\u05d5\u05e2<\/strong><\/span>. \u05dc\u05d3\u05d5\u05d2\u05de\u05d0, \u05d2\u05d9\u05d3\u05d5\u05dc \u05e9\u05dc 5% (\u05e9\u05d1\u05e8 \u05de\u05e1\u05d5\u05d9\u05dd) \u05d1\u05e9\u05e0\u05d4 (\u05e4\u05e8\u05e7 \u05d6\u05de\u05df \u05e7\u05d1\u05d5\u05e2), \u05d4\u05d5\u05d0 \u05d2\u05d9\u05d3\u05d5\u05dc \u05d0\u05e7\u05e1\u05e4\u05d5\u05e0\u05e0\u05e6\u05d9\u05d0\u05dc\u05d9.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/stwww1.weizmann.ac.il\/energy\/%D7%9E%D7%94%D7%95-%D7%92%D7%99%D7%93%D7%95%D7%9C-%D7%90%D7%A7%D7%A1%D7%A4%D7%95%D7%A0%D7%A0%D7%A6%D7%99%D7%90%D7%9C%D7%99-%D7%9E%D7%A2%D7%A8%D7%99%D7%9B%D7%99\/\"><img decoding=\"async\" class=\"alignnone size-full wp-image-1297\" src=\"https:\/\/stwww1.weizmann.ac.il\/energy\/wp-content\/uploads\/sites\/20\/2016\/08\/Buttons_Previous5bCircle5d-e1471853346135.png\" alt=\"\u05dc\u05e2\u05de\u05d5\u05d3 \u05d4\u05e7\u05d5\u05d3\u05dd \u05dc\u05d7\u05e5 \u05db\u05d0\u05df\" width=\"96\" height=\"35\" \/><\/a><a href=\"https:\/\/stwww1.weizmann.ac.il\/energy\/%D7%96%D7%9E%D7%9F-%D7%94%D7%A0%D7%93%D7%A8%D7%A9-%D7%9B%D7%93%D7%99-%D7%A9%D7%92%D7%95%D7%93%D7%9C-%D7%9E%D7%A1%D7%95%D7%99%D7%9D-%D7%99%D7%95%D7%9B%D7%A4%D7%9C-%D7%A4%D7%99-2\/\"><img decoding=\"async\" class=\"size-full wp-image-1192 alignleft\" src=\"https:\/\/stwww1.weizmann.ac.il\/energy\/wp-content\/uploads\/sites\/20\/2016\/08\/Buttons_Next-5bSquare5d-e1471853369695.png\" alt=\"\u05dc\u05e2\u05de\u05d5\u05d3 \u05d4\u05d1\u05d0 \u05dc\u05d7\u05e5 \u05db\u05d0\u05df\" width=\"96\" height=\"35\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u05dc\u05de\u05ea\u05e2\u05e0\u05d9\u05d9\u05e0\u05d9\u05dd, \u05d4\u05de\u05ea\u05de\u05d8\u05d9\u05e7\u05d4 \u05d4\u05e7\u05e9\u05d5\u05e8\u05d4 \u05dc\u05e4\u05d5\u05e0\u05e7\u05e6\u05d9\u05d4 \u05d4\u05de\u05e2\u05e8\u05d9\u05db\u05d9\u05ea (\u05d0\u05e7\u05e1\u05e4\u05d5\u05e0\u05e0\u05e6\u05d9\u05d0\u05dc\u05d9\u05ea = Exponential Function), \u05de\u05e4\u05d5\u05e8\u05d8\u05ea \u05d1\u05e2\u05de\u05d5\u05d3 \u05d6\u05d4. \u05d2\u05dd \u05d0\u05dc\u05d5 \u05e9\u05d0\u05d9\u05e0\u05dd \u05d9\u05db\u05d5\u05dc\u05d9\u05dd \u05dc\u05e2\u05e7\u05d5\u05d1 \u05d0\u05d7\u05e8 \u05d4\u05e4\u05d9\u05ea\u05d5\u05d7 \u05d4\u05de\u05ea\u05de\u05d8\u05d9, \u05d7\u05e9\u05d5\u05d1 \u05e9\u05d9\u05d1\u05d9\u05e0\u05d5 \u05e9\u05d4\u05de\u05ea\u05de\u05d8\u05d9\u05e7\u05d4 \u05db\u05d0\u05df \u05e0\u05db\u05d5\u05e0\u05d4, \u05d5\u05de\u05d4 \u05e9\u05d7\u05e9\u05d5\u05d1 \u05dc\u05d4\u05de\u05e9\u05da \u05d4\u05d9\u05d0 \u05d4\u05de\u05e1\u05e7\u05e0\u05d4 \u05d4\u05de\u05ea\u05e7\u05d1\u05dc\u05ea \u05de\u05d4\u05de\u05ea\u05de\u05d8\u05d9\u05e7\u05d4, \u05dc\u05d2\u05d1\u05d9 \u05d4\u05e7\u05e9\u05e8 \u05d1\u05d9\u05df \u05d0\u05d7\u05d5\u05d3 \u05d4\u05d2\u05d9\u05d3\u05d5\u05dc, \u05dc\u05de\u05e9\u05da \u05d6\u05de\u05df \u05d4\u05d4\u05db\u05e4\u05dc\u05d4. &hellip; <a href=\"https:\/\/stwww1.weizmann.ac.il\/energy\/%d7%94%d7%a4%d7%95%d7%a0%d7%a7%d7%a6%d7%99%d7%94-%d7%94%d7%90%d7%a7%d7%a1%d7%a4%d7%95%d7%a0%d7%a0%d7%a6%d7%99%d7%90%d7%9c%d7%99%d7%aa-%d7%9c%d7%9e%d7%aa%d7%a7%d7%93%d7%9e%d7%99%d7%9d\/\">\u05dc\u05d4\u05de\u05e9\u05da \u05e7\u05e8\u05d9\u05d0\u05d4  <span class=\"meta-nav\">&larr;<\/span><\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[14],"tags":[],"class_list":["post-301","post","type-post","status-publish","format-standard","hentry","category-14"],"_links":{"self":[{"href":"https:\/\/stwww1.weizmann.ac.il\/energy\/wp-json\/wp\/v2\/posts\/301"}],"collection":[{"href":"https:\/\/stwww1.weizmann.ac.il\/energy\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/stwww1.weizmann.ac.il\/energy\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/stwww1.weizmann.ac.il\/energy\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/stwww1.weizmann.ac.il\/energy\/wp-json\/wp\/v2\/comments?post=301"}],"version-history":[{"count":7,"href":"https:\/\/stwww1.weizmann.ac.il\/energy\/wp-json\/wp\/v2\/posts\/301\/revisions"}],"predecessor-version":[{"id":3108,"href":"https:\/\/stwww1.weizmann.ac.il\/energy\/wp-json\/wp\/v2\/posts\/301\/revisions\/3108"}],"wp:attachment":[{"href":"https:\/\/stwww1.weizmann.ac.il\/energy\/wp-json\/wp\/v2\/media?parent=301"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stwww1.weizmann.ac.il\/energy\/wp-json\/wp\/v2\/categories?post=301"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stwww1.weizmann.ac.il\/energy\/wp-json\/wp\/v2\/tags?post=301"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}