{"id":120,"date":"2016-06-30T11:51:57","date_gmt":"2016-06-30T08:51:57","guid":{"rendered":"https:\/\/stwww1.weizmann.ac.il\/energy\/?p=120"},"modified":"2019-11-25T15:53:58","modified_gmt":"2019-11-25T13:53:58","slug":"4-%d7%a6%d7%a8%d7%99%d7%9b%d7%aa-%d7%90%d7%a0%d7%a8%d7%92%d7%99%d7%94","status":"publish","type":"post","link":"https:\/\/stweizmann.proj.ac.il\/energy\/4-%d7%a6%d7%a8%d7%99%d7%9b%d7%aa-%d7%90%d7%a0%d7%a8%d7%92%d7%99%d7%94\/","title":{"rendered":"4. \u05e6\u05e8\u05d9\u05db\u05ea \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4"},"content":{"rendered":"<h2>\u05de\u05d4\u05d9 \u05e6\u05e8\u05d9\u05db\u05ea \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05d1\u05e8\u05de\u05ea \u05d4\u05e4\u05e8\u05d8, \u05d4\u05de\u05d3\u05d9\u05e0\u05d4, \u05d5\u05d4\u05e2\u05d5\u05dc\u05dd \u05db\u05d5\u05dc\u05d5?<\/h2>\n<p><strong><span style=\"color: #800000\">\u05d0\u05e0\u05e9\u05d9\u05dd \u05de\u05ea\u05e8\u05d1\u05d5\u05d9\u05d5\u05ea \u05e9\u05d5\u05e0\u05d5\u05ea \u05e6\u05d5\u05e8\u05db\u05d9\u05dd \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05d1\u05db\u05de\u05d5\u05d9\u05d5\u05ea \u05e9\u05d5\u05e0\u05d5\u05ea<\/span><\/strong>. \u05d1\u05de\u05d4\u05dc\u05da \u05d4\u05d4\u05d9\u05e1\u05d8\u05d5\u05e8\u05d9\u05d4 \u05d4\u05d0\u05e0\u05d5\u05e9\u05d9\u05ea \u05d4\u05de\u05ea\u05d5\u05e2\u05d3\u05ea, \u05d7\u05d9\u05e4\u05e9\u05d5 \u05ea\u05de\u05d9\u05d3 \u05d1\u05e0\u05d9 \u05d4\u05d0\u05d3\u05dd \u05d3\u05e8\u05db\u05d9\u05dd \u05dc\u05e0\u05d9\u05e6\u05d5\u05dc \u05d4\u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05d4\u05d6\u05de\u05d9\u05e0\u05d4, \u05db\u05d3\u05d9 \u05e9\u05ea\u05d1\u05e6\u05e2 \u05e2\u05d1\u05d5\u05e8\u05dd \u05e2\u05d1\u05d5\u05d3\u05d4.<\/p>\n<p>\u05e0\u05d5\u05d7 \u05dc\u05d4\u05ea\u05d9\u05d9\u05d7\u05e1 <strong><span style=\"color: #551a8b\">\u05dc\u05e6\u05e8\u05d9\u05db\u05ea \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05e2\u05dc \u05e4\u05d9 \u05e1\u05d5\u05d2\u05d9 \u05d4\u05e6\u05e8\u05db\u05e0\u05d9\u05dd<\/span><\/strong> \u05d4\u05e9\u05d5\u05e0\u05d9\u05dd, \u05d1\u05d4\u05ea\u05d0\u05dd \u05dc\u05e4\u05d9\u05e8\u05d5\u05d8 \u05d4\u05d1\u05d0:<\/p>\n<h3>4.1 <a href=\"https:\/\/stweizmann.proj.ac.il\/energy\/4-1-%D7%A6%D7%A8%D7%99%D7%9B%D7%AA-%D7%97%D7%A9%D7%9E%D7%9C-%D7%91%D7%99%D7%AA%D7%99%D7%AA\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u05e6\u05e8\u05d9\u05db\u05ea \u05d7\u05e9\u05de\u05dc \u05d1\u05d9\u05ea\u05d9\u05ea<\/a>.<\/h3>\n<h3>4.2 <a href=\"https:\/\/stweizmann.proj.ac.il\/energy\/4-2-%D7%9B%D7%99%D7%A6%D7%93-%D7%94%D7%AA%D7%A2%D7%A9%D7%99%D7%99%D7%94-%D7%A6%D7%95%D7%A8%D7%9B%D7%AA-%D7%90%D7%A0%D7%A8%D7%92%D7%99%D7%94\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u05e6\u05e8\u05d9\u05db\u05ea \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05d1\u05ea\u05e2\u05e9\u05d9\u05d9\u05d4<\/a>.<\/h3>\n<h3>4.3 <a href=\"https:\/\/stweizmann.proj.ac.il\/energy\/4-3-%D7%A6%D7%A8%D7%99%D7%9B%D7%AA-%D7%90%D7%A0%D7%A8%D7%92%D7%99%D7%94-%D7%A9%D7%9C-%D7%90%D7%9E%D7%A6%D7%A2%D7%99-%D7%AA%D7%97%D7%91%D7%95%D7%A8%D7%94\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u05e6\u05e8\u05d9\u05db\u05ea \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05e9\u05dc \u05d0\u05de\u05e6\u05e2\u05d9 \u05ea\u05d7\u05d1\u05d5\u05e8\u05d4<\/a>.<\/h3>\n<p>\u05d0\u05e4\u05e9\u05e8\u05d5\u05ea \u05d0\u05d7\u05e8\u05ea \u05dc\u05d4\u05ea\u05d9\u05d9\u05d7\u05e1\u05d5\u05ea <span style=\"color: #551a8b\"><strong>\u05dc\u05e6\u05e8\u05d9\u05db\u05ea \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4, \u05d4\u05d9\u05d0 \u05e2\u05dc \u05e4\u05d9 \u05d4\u05de\u05e7\u05d5\u05de\u05d5\u05ea \u05d1\u05e2\u05d5\u05dc\u05dd<\/strong><\/span>:<\/p>\n<h3>4.4 <a href=\"https:\/\/stweizmann.proj.ac.il\/energy\/4-4-%D7%A6%D7%A8%D7%99%D7%9B%D7%AA-%D7%90%D7%A0%D7%A8%D7%92%D7%99%D7%94-%D7%91%D7%A2%D7%95%D7%9C%D7%9D\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u05e0\u05ea\u05d5\u05e0\u05d9 \u05e6\u05e8\u05d9\u05db\u05ea \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05d1\u05e2\u05d5\u05dc\u05dd<\/a>:<\/h3>\n<ul>\n<li>4.4.1 <a href=\"https:\/\/stweizmann.proj.ac.il\/energy\/4-4-1-%D7%9E%D7%94%D7%9D-%D7%A0%D7%AA%D7%95%D7%A0%D7%99-%D7%A6%D7%A8%D7%99%D7%9B%D7%AA-%D7%94%D7%90%D7%A0%D7%A8%D7%92%D7%99%D7%94-%D7%91%D7%A2%D7%95%D7%9C%D7%9D-%D7%95%D7%91%D7%99%D7%A9%D7%A8%D7%90\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u05e6\u05e8\u05d9\u05db\u05ea \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05d1\u05e2\u05d5\u05dc\u05dd<\/a>.<\/li>\n<li>4.4.2 <a href=\"https:\/\/stweizmann.proj.ac.il\/energy\/4-4-2-%D7%A6%D7%A8%D7%99%D7%9B%D7%AA-%D7%A0%D7%A4%D7%98-%D7%91%D7%A2%D7%95%D7%9C%D7%9D\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u05e6\u05e8\u05d9\u05db\u05ea \u05e0\u05e4\u05d8 \u05d1\u05e2\u05d5\u05dc\u05dd<\/a>.<\/li>\n<li>4.4.3 <a href=\"https:\/\/stweizmann.proj.ac.il\/energy\/4-4-3-%D7%A6%D7%A8%D7%99%D7%9B%D7%AA-%D7%A4%D7%97%D7%9D-%D7%91%D7%A2%D7%95%D7%9C%D7%9D\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u05e6\u05e8\u05d9\u05db\u05ea \u05e4\u05d7\u05dd \u05d1\u05e2\u05d5\u05dc\u05dd<\/a>.<\/li>\n<li>4.4.4 <a href=\"https:\/\/stweizmann.proj.ac.il\/energy\/4-4-4-%D7%A6%D7%A8%D7%99%D7%9B%D7%AA-%D7%92%D7%96-%D7%98%D7%91%D7%A2%D7%99-%D7%91%D7%A2%D7%95%D7%9C%D7%9D\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u05e6\u05e8\u05d9\u05db\u05ea \u05d2\u05d6 \u05d8\u05d1\u05e2\u05d9 \u05d1\u05e2\u05d5\u05dc\u05dd<\/a>.<\/li>\n<li>4.4.5 <a href=\"https:\/\/stweizmann.proj.ac.il\/energy\/4-4-5-%D7%A6%D7%A8%D7%99%D7%9B%D7%AA-%D7%90%D7%A0%D7%A8%D7%92%D7%99%D7%94-%D7%9E%D7%9E%D7%A7%D7%95%D7%A8%D7%95%D7%AA-%D7%90%D7%A0%D7%A8%D7%92%D7%99%D7%94-%D7%97%D7%9C%D7%95%D7%A4%D7%99%D7%99%D7%9D\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u05e6\u05e8\u05d9\u05db\u05ea \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05de\u05de\u05e7\u05d5\u05e8\u05d5\u05ea \u05d7\u05dc\u05d5\u05e4\u05d9\u05d9\u05dd<\/a>.<\/li>\n<li>4.4.6 <a href=\"https:\/\/stweizmann.proj.ac.il\/energy\/4-4-6-%D7%9E%D7%94%D7%9D-%D7%A0%D7%AA%D7%95%D7%A0%D7%99-%D7%A6%D7%A8%D7%99%D7%9B%D7%AA-%D7%94%D7%90%D7%A0%D7%A8%D7%92%D7%99%D7%94-%D7%91%D7%90%D7%A8%D7%A6%D7%95%D7%AA-%D7%94%D7%91%D7%A8%D7%99%D7%AA\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u05e6\u05e8\u05d9\u05db\u05ea \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05d1\u05d0\u05e8\u05d4&quot;\u05d1<\/a>.<\/li>\n<li>4.4.7 <a href=\"https:\/\/stweizmann.proj.ac.il\/energy\/4-4-7-%D7%A6%D7%A8%D7%99%D7%9B%D7%AA-%D7%90%D7%A0%D7%A8%D7%92%D7%99%D7%94-%D7%91%D7%9E%D7%93%D7%99%D7%A0%D7%95%D7%AA-%D7%9E%D7%AA%D7%A4%D7%AA%D7%97%D7%95%D7%AA-%D7%94%D7%95%D7%93%D7%95-%D7%A1%D7%99\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u05e6\u05e8\u05d9\u05db\u05ea \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05d1\u05de\u05d3\u05d9\u05e0\u05d5\u05ea \u05de\u05ea\u05e4\u05ea\u05d7\u05d5\u05ea (\u05d4\u05d5\u05d3\u05d5, \u05e1\u05d9\u05df)<\/a>.<\/li>\n<li>4.4.8 <a href=\"https:\/\/stweizmann.proj.ac.il\/energy\/4-4-8-%D7%A6%D7%A8%D7%99%D7%9B%D7%AA-%D7%94%D7%90%D7%A0%D7%A8%D7%92%D7%99%D7%94-%D7%91%D7%99%D7%A9%D7%A8%D7%90%D7%9C\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u05e6\u05e8\u05d9\u05db\u05ea \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05d1\u05d9\u05e9\u05e8\u05d0\u05dc<\/a>.<\/li>\n<\/ul>\n<h3>4.5 <a href=\"https:\/\/stweizmann.proj.ac.il\/energy\/%D7%9E%D7%A9%D7%91%D7%A8-%D7%94%D7%90%D7%A0%D7%A8%D7%92%D7%99%D7%94-%D7%94%D7%A2%D7%95%D7%9C%D7%9E%D7%99-%D7%9E%D7%A9%D7%9E%D7%A2%D7%95%D7%AA-%D7%94%D7%92%D7%99%D7%93%D7%95%D7%9C-%D7%94%D7%9E%D7%A2\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u05db\u05d9\u05e6\u05d3 \u05e7\u05e9\u05d5\u05e8\u05d4 \u05e6\u05e8\u05d9\u05db\u05ea \u05d4\u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05e9\u05dc \u05d4\u05d0\u05e0\u05d5\u05e9\u05d5\u05ea \u05dc&quot;\u05de\u05e9\u05d1\u05e8 \u05d4\u05d0\u05e0\u05e8\u05d2\u05d9\u05d4&quot;?<\/a><\/h3>\n<h3>4.6 <a href=\"https:\/\/stweizmann.proj.ac.il\/energy\/4-6-%D7%9E%D7%94%D7%9D-%D7%94%D7%90%D7%9E%D7%A6%D7%A2%D7%99%D7%9D-%D7%9C%D7%90%D7%92%D7%99%D7%A8%D7%AA-%D7%90%D7%A0%D7%A8%D7%92%D7%99%D7%94-%D7%91%D7%A8%D7%9E%D7%94-%D7%9C%D7%90%D7%95%D7%9E%D7%99\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u05de\u05d4\u05dd \u05d4\u05d0\u05de\u05e6\u05e2\u05d9\u05dd \u05dc\u05d0\u05d2\u05d9\u05e8\u05ea \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 &#8211; \u05d1\u05e8\u05de\u05d4 \u05dc\u05d0\u05d5\u05de\u05d9\u05ea \u05d5\u05e2\u05d5\u05dc\u05de\u05d9\u05ea?<\/a><\/h3>\n<p>\u05d1\u05e0\u05d5\u05e1\u05e3, \u05db\u05d3\u05d0\u05d9 \u05dc\u05d7\u05e9\u05d5\u05d1 \u05d2\u05dd \u05e2\u05dc <a href=\"https:\/\/stweizmann.proj.ac.il\/energy\/%D7%9B%D7%99%D7%A6%D7%93-%D7%A0%D7%99%D7%AA%D7%9F-%D7%9C%D7%94%D7%A7%D7%98%D7%99%D7%9F-%D7%90%D7%AA-%D7%A6%D7%A8%D7%99%D7%9B%D7%AA-%D7%94%D7%90%D7%A0%D7%A8%D7%92%D7%99%D7%94\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u05d4\u05e9\u05d9\u05d8\u05d5\u05ea \u05d1\u05d0\u05de\u05e6\u05e2\u05d5\u05ea\u05df \u05e0\u05d9\u05ea\u05df \u05dc\u05d4\u05e7\u05d8\u05d9\u05df \u05d0\u05ea \u05e6\u05e8\u05d9\u05db\u05ea \u05d4\u05d0\u05e0\u05e8\u05d2\u05d9\u05d4<\/a>.<\/p>\n<p>\u05db\u05d3\u05d9 \u05dc\u05d4\u05d1\u05d9\u05df \u05de\u05d4 \u05de\u05e9\u05de\u05e2\u05d5\u05ea\u05d4 \u05e9\u05dc \u05e6\u05e8\u05d9\u05db\u05d4 \u05de\u05d5\u05d2\u05d1\u05e8\u05ea \u05e9\u05dc \u05de\u05e9\u05d0\u05d1\u05d9\u05dd \u05e9\u05db\u05de\u05d5\u05ea\u05dd \u05e1\u05d5\u05e4\u05d9\u05ea, \u05d0\u05d5 \u05e9\u05dc \u05d2\u05d9\u05d3\u05d5\u05dc \u05de\u05e2\u05e8\u05d9\u05db\u05d9 (\u05d0\u05e7\u05e1\u05e4\u05d5\u05e0\u05e0\u05e6\u05d9\u05d0\u05dc\u05d9) \u05e9\u05dc \u05d0\u05d5\u05db\u05dc\u05d5\u05e1\u05d9\u05d9\u05d4, \u05de\u05d5\u05de\u05dc\u05e5 \u05ea\u05d7\u05d9\u05dc\u05d4 \u05dc\u05e2\u05d9\u05d9\u05df \u05d1\u05e0\u05d5\u05e9\u05d0:<\/p>\n<p><a href=\"https:\/\/stweizmann.proj.ac.il\/energy\/%D7%9E%D7%A9%D7%91%D7%A8-%D7%94%D7%90%D7%A0%D7%A8%D7%92%D7%99%D7%94-%D7%94%D7%A2%D7%95%D7%9C%D7%9E%D7%99-%D7%9E%D7%A9%D7%9E%D7%A2%D7%95%D7%AA-%D7%94%D7%92%D7%99%D7%93%D7%95%D7%9C-%D7%94%D7%9E%D7%A2\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u05de\u05d4\u05d5 &quot;\u05de\u05e9\u05d1\u05e8 \u05d4\u05d0\u05e0\u05e8\u05d2\u05d9\u05d4&quot;?<\/a><\/p>\n<ul>\n<li>\u05de\u05d5\u05de\u05dc\u05e5 \u05dc\u05e9\u05dc\u05d1 \u05dc\u05d9\u05de\u05d5\u05d3 \u05e0\u05d5\u05e9\u05d0 \u05d6\u05d4, \u05e2\u05dd <span style=\"color: #003366\"><strong>\u05e4\u05e2\u05d9\u05dc\u05d5\u05d9\u05d5\u05ea \u05d1\u05d2\u05d9\u05dc\u05d9\u05d5\u05df \u05d0\u05dc\u05e7\u05d8\u05e8\u05d5\u05e0\u05d9<\/strong><\/span> \u05dc\u05d2\u05d1\u05d9 \u05e6\u05e8\u05d9\u05db\u05ea \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05d1\u05d9\u05e9\u05e8\u05d0\u05dc.<\/li>\n<\/ul>\n<p><a href=\"http:\/\/agribio.snunit.k12.il\/main\/upload\/.ab\/id_hashmal97.html\" target=\"_blank\" rel=\"noopener noreferrer\">\u05e4\u05e2\u05d9\u05dc\u05d5\u05ea \u05d2\u05d9\u05dc\u05d9\u05d5\u05df \u05d0\u05dc\u05e7\u05d8\u05e8\u05d5\u05e0\u05d9 &quot;\u05d7\u05e9\u05de\u05dc \u05d5\u05d0\u05e0\u05e8\u05d2\u05d9\u05d4&quot;<\/a>, \u05e9\u05e4\u05d5\u05ea\u05d7\u05d4 \u05d1\u05e4\u05e7\u05d5\u05dc\u05d8\u05d4 \u05dc\u05d7\u05e7\u05dc\u05d0\u05d5\u05ea \u05e9\u05dc \u05d0\u05d5\u05e0\u05d9\u05d1\u05e8\u05e1\u05d9\u05d8\u05ea \u05d9\u05e8\u05d5\u05e9\u05dc\u05d9\u05dd, \u05de\u05d0\u05e4\u05e9\u05e8\u05ea \u05e0\u05d9\u05ea\u05d5\u05d7 \u05e6\u05e8\u05d9\u05db\u05ea \u05d7\u05e9\u05de\u05dc \u05d1\u05d1\u05d9\u05ea \u05de\u05d2\u05d5\u05e8\u05d9\u05dd, \u05d5\u05e6\u05e8\u05d9\u05db\u05ea \u05d7\u05e9\u05de\u05dc \u05e9\u05dc \u05de\u05d3\u05d9\u05e0\u05ea \u05d9\u05e9\u05e8\u05d0\u05dc.<\/p>\n<p>\u05e4\u05e2\u05d9\u05dc\u05d5\u05ea \u05e9\u05dc <strong><span style=\"color: #551a8b\">\u05d7\u05e9\u05d9\u05d1\u05d4 \u05d1\u05e1\u05d3\u05e8\u05d9 \u05d2\u05d5\u05d3\u05dc \u05e2\u05dc \u05e6\u05e8\u05d9\u05db\u05ea \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05d5\u05d0\u05e1\u05e4\u05e7\u05ea\u05d4<\/span><\/strong>, \u05e0\u05d9\u05ea\u05df \u05dc\u05de\u05e6\u05d5\u05d0 \u05d1\u05e7\u05d9\u05e9\u05d5\u05e8 \u05d4\u05d1\u05d0.<\/p>\n<p>\u05e0\u05d5\u05e9\u05d0 \u05d7\u05e9\u05d5\u05d1, \u05d4\u05e7\u05e9\u05d5\u05e8 \u05d1\u05d9\u05d9\u05e9\u05d5\u05dd \u05de\u05e7\u05d5\u05e8\u05d5\u05ea \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05d7\u05dc\u05d5\u05e4\u05d9\u05d9\u05dd \u05dc\u05e9\u05d9\u05de\u05d5\u05e9 \u05d4\u05d0\u05e0\u05d5\u05e9\u05d5\u05ea, \u05d4\u05d5\u05d0 <a href=\"https:\/\/stweizmann.proj.ac.il\/energy\/4-6-%D7%9E%D7%94%D7%9D-%D7%94%D7%90%D7%9E%D7%A6%D7%A2%D7%99%D7%9D-%D7%9C%D7%90%D7%92%D7%99%D7%A8%D7%AA-%D7%90%D7%A0%D7%A8%D7%92%D7%99%D7%94-%D7%91%D7%A8%D7%9E%D7%94-%D7%9C%D7%90%D7%95%D7%9E%D7%99\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u05d4\u05d0\u05de\u05e6\u05e2\u05d9\u05dd \u05dc\u05d0\u05d2\u05d9\u05e8\u05ea \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4, \u05d4\u05de\u05ea\u05d5\u05d0\u05e8\u05d9\u05dd \u05d1\u05e1\u05e2\u05d9\u05e3 4.6<\/a>.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/stweizmann.proj.ac.il\/energy\/\"><img decoding=\"async\" class=\"alignnone size-full wp-image-1297\" src=\"https:\/\/stweizmann.proj.ac.il\/wp-content\/uploads\/sites\/56\/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:\/\/stweizmann.proj.ac.il\/energy\/%D7%A6%D7%A8%D7%99%D7%9B%D7%AA-%D7%90%D7%A0%D7%A8%D7%92%D7%99%D7%94-%D7%A2%D7%9C-%D7%99%D7%93%D7%99-%D7%94%D7%A4%D7%A8%D7%98\/\"><img decoding=\"async\" class=\"size-full wp-image-1192 alignleft\" src=\"https:\/\/stweizmann.proj.ac.il\/wp-content\/uploads\/sites\/56\/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>\u05de\u05d4\u05d9 \u05e6\u05e8\u05d9\u05db\u05ea \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05d1\u05e8\u05de\u05ea \u05d4\u05e4\u05e8\u05d8, \u05d4\u05de\u05d3\u05d9\u05e0\u05d4, \u05d5\u05d4\u05e2\u05d5\u05dc\u05dd \u05db\u05d5\u05dc\u05d5? \u05d0\u05e0\u05e9\u05d9\u05dd \u05de\u05ea\u05e8\u05d1\u05d5\u05d9\u05d5\u05ea \u05e9\u05d5\u05e0\u05d5\u05ea \u05e6\u05d5\u05e8\u05db\u05d9\u05dd \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05d1\u05db\u05de\u05d5\u05d9\u05d5\u05ea \u05e9\u05d5\u05e0\u05d5\u05ea. \u05d1\u05de\u05d4\u05dc\u05da \u05d4\u05d4\u05d9\u05e1\u05d8\u05d5\u05e8\u05d9\u05d4 \u05d4\u05d0\u05e0\u05d5\u05e9\u05d9\u05ea \u05d4\u05de\u05ea\u05d5\u05e2\u05d3\u05ea, \u05d7\u05d9\u05e4\u05e9\u05d5 \u05ea\u05de\u05d9\u05d3 \u05d1\u05e0\u05d9 \u05d4\u05d0\u05d3\u05dd \u05d3\u05e8\u05db\u05d9\u05dd \u05dc\u05e0\u05d9\u05e6\u05d5\u05dc \u05d4\u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05d4\u05d6\u05de\u05d9\u05e0\u05d4, \u05db\u05d3\u05d9 \u05e9\u05ea\u05d1\u05e6\u05e2 \u05e2\u05d1\u05d5\u05e8\u05dd \u05e2\u05d1\u05d5\u05d3\u05d4. \u05e0\u05d5\u05d7 \u05dc\u05d4\u05ea\u05d9\u05d9\u05d7\u05e1 \u05dc\u05e6\u05e8\u05d9\u05db\u05ea \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05e2\u05dc \u05e4\u05d9 \u05e1\u05d5\u05d2\u05d9 \u05d4\u05e6\u05e8\u05db\u05e0\u05d9\u05dd \u05d4\u05e9\u05d5\u05e0\u05d9\u05dd, &hellip; <a href=\"https:\/\/stweizmann.proj.ac.il\/energy\/4-%d7%a6%d7%a8%d7%99%d7%9b%d7%aa-%d7%90%d7%a0%d7%a8%d7%92%d7%99%d7%94\/\">\u05dc\u05d4\u05de\u05e9\u05da \u05e7\u05e8\u05d9\u05d0\u05d4  <span class=\"meta-nav\">&larr;<\/span><\/a><\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[7],"tags":[],"class_list":["post-120","post","type-post","status-publish","format-standard","hentry","category-7"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>4. \u05e6\u05e8\u05d9\u05db\u05ea \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 - \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05d1\u05d4\u05d9\u05d1\u05d8 \u05e8\u05d1 \u05ea\u05d7\u05d5\u05de\u05d9<\/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:\/\/stweizmann.proj.ac.il\/energy\/4-\u05e6\u05e8\u05d9\u05db\u05ea-\u05d0\u05e0\u05e8\u05d2\u05d9\u05d4\/\" \/>\n<meta property=\"og:locale\" content=\"he_IL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"4. \u05e6\u05e8\u05d9\u05db\u05ea \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 - \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05d1\u05d4\u05d9\u05d1\u05d8 \u05e8\u05d1 \u05ea\u05d7\u05d5\u05de\u05d9\" \/>\n<meta property=\"og:description\" content=\"\u05de\u05d4\u05d9 \u05e6\u05e8\u05d9\u05db\u05ea \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05d1\u05e8\u05de\u05ea \u05d4\u05e4\u05e8\u05d8, \u05d4\u05de\u05d3\u05d9\u05e0\u05d4, \u05d5\u05d4\u05e2\u05d5\u05dc\u05dd \u05db\u05d5\u05dc\u05d5? \u05d0\u05e0\u05e9\u05d9\u05dd \u05de\u05ea\u05e8\u05d1\u05d5\u05d9\u05d5\u05ea \u05e9\u05d5\u05e0\u05d5\u05ea \u05e6\u05d5\u05e8\u05db\u05d9\u05dd \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05d1\u05db\u05de\u05d5\u05d9\u05d5\u05ea \u05e9\u05d5\u05e0\u05d5\u05ea. \u05d1\u05de\u05d4\u05dc\u05da \u05d4\u05d4\u05d9\u05e1\u05d8\u05d5\u05e8\u05d9\u05d4 \u05d4\u05d0\u05e0\u05d5\u05e9\u05d9\u05ea \u05d4\u05de\u05ea\u05d5\u05e2\u05d3\u05ea, \u05d7\u05d9\u05e4\u05e9\u05d5 \u05ea\u05de\u05d9\u05d3 \u05d1\u05e0\u05d9 \u05d4\u05d0\u05d3\u05dd \u05d3\u05e8\u05db\u05d9\u05dd \u05dc\u05e0\u05d9\u05e6\u05d5\u05dc \u05d4\u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05d4\u05d6\u05de\u05d9\u05e0\u05d4, \u05db\u05d3\u05d9 \u05e9\u05ea\u05d1\u05e6\u05e2 \u05e2\u05d1\u05d5\u05e8\u05dd \u05e2\u05d1\u05d5\u05d3\u05d4. \u05e0\u05d5\u05d7 \u05dc\u05d4\u05ea\u05d9\u05d9\u05d7\u05e1 \u05dc\u05e6\u05e8\u05d9\u05db\u05ea \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05e2\u05dc \u05e4\u05d9 \u05e1\u05d5\u05d2\u05d9 \u05d4\u05e6\u05e8\u05db\u05e0\u05d9\u05dd \u05d4\u05e9\u05d5\u05e0\u05d9\u05dd, &hellip; \u05dc\u05d4\u05de\u05e9\u05da \u05e7\u05e8\u05d9\u05d0\u05d4 &larr;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/stweizmann.proj.ac.il\/energy\/4-\u05e6\u05e8\u05d9\u05db\u05ea-\u05d0\u05e0\u05e8\u05d2\u05d9\u05d4\/\" \/>\n<meta property=\"og:site_name\" content=\"\u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 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