{"id":660,"date":"2017-05-29T11:52:16","date_gmt":"2017-05-29T08:52:16","guid":{"rendered":"https:\/\/stwww1.weizmann.ac.il\/chemtime\/?page_id=660"},"modified":"2017-05-29T11:55:14","modified_gmt":"2017-05-29T08:55:14","slug":"%d7%9e%d7%9c%d7%90%d7%9b%d7%99%d7%98","status":"publish","type":"page","link":"https:\/\/stweizmann.proj.ac.il\/chemtime\/?page_id=660","title":{"rendered":"\u05e0\u05ea\u05d5\u05e0\u05d9\u05dd \u05e0\u05d5\u05e1\u05e4\u05d9\u05dd"},"content":{"rendered":"<p><img decoding=\"async\" class=\" wp-image-662 alignright\" src=\"https:\/\/stweizmann.proj.ac.il\/wp-content\/uploads\/sites\/35\/2017\/05\/COPPER1.jpg\" alt=\"\" width=\"168\" height=\"171\" \/>\u05d1\u05de\u05e7\u05d5\u05de\u05d5\u05ea \u05e9\u05d5\u05e0\u05d9\u05dd \u05d1\u05e2\u05d5\u05dc\u05dd \u05e0\u05d9\u05ea\u05df \u05dc\u05de\u05e6\u05d5\u05d0 \u05d0\u05ea \u05d4\u05de\u05d7\u05e6\u05d1<br \/>\n\u05de\u05dc\u05d0\u05db\u05d9\u05d8 (\u05d4\u05de\u05d7\u05e6\u05d1 \u05d0\u05d5\u05ea\u05d5 \u05d0\u05e0\u05d5 \u05de\u05db\u05e0\u05d9\u05dd&quot;\u05d0\u05d1\u05df \u05d0\u05d9\u05dc\u05ea&quot;).<br \/>\n\u05d1\u05d0\u05e8\u05e6\u05d5\u05ea \u05e9\u05d5\u05e0\u05d5\u05ea \u05d1\u05d9\u05e6\u05e2\u05d5 \u05d0\u05e0\u05d0\u05dc\u05d9\u05d6\u05d4 (\u05e4\u05d9\u05e8\u05d5\u05e7 \u05d4\u05d7\u05d5\u05de\u05e8<br \/>\n\u05dc\u05e6\u05d5\u05e8\u05db\u05d9 \u05d1\u05d3\u05d9\u05e7\u05d4) \u05e9\u05dc \u05de\u05d9\u05d3\u05d2\u05de\u05d9\u05dd \u05de\u05df \u05d4\u05de\u05d7\u05e6\u05d1 \u05d4\u05d6\u05d4.<br \/>\n\u05e0\u05de\u05e6\u05d0 \u05db\u05d9 \u05db\u05d5\u05dc\u05dd \u05d4\u05d9\u05d5 \u05de\u05d5\u05e8\u05db\u05d1\u05d9\u05dd \u05de\u05e9\u05dc\u05d5\u05e9\u05d4 \u05d9\u05e1\u05d5\u05d3\u05d5\u05ea<br \/>\n\u05d1\u05dc\u05d1\u05d3 &#8211; \u05e0\u05d7\u05d5\u05e9\u05ea, \u05e4\u05d7\u05de\u05df \u05d5\u05d7\u05de\u05e6\u05df. \u05dc\u05e6\u05d5\u05e8\u05da \u05d4\u05d1\u05d3\u05d9\u05e7\u05d4<br \/>\n\u05e0\u05dc\u05e7\u05d7\u05d5 100 \u05d2\u05e8\u05dd \u05de\u05db\u05dc \u05d0\u05d7\u05d3 \u05de\u05df \u05d4\u05de\u05d9\u05d3\u05d2\u05de\u05d9\u05dd \u05d5\u05d4\u05ea\u05d5\u05e6\u05d0\u05d5\u05ea<br \/>\n\u05d4\u05d1\u05d3\u05d9\u05e7\u05d5\u05ea \u05de\u05d5\u05e6\u05d2\u05d5\u05ea \u05d1\u05d8\u05d1\u05dc\u05d4 \u05d4\u05d1\u05d0\u05d4:<\/p>\n<table>\n<tbody>\n<tr>\n<th>\u05de\u05e7\u05d5\u05e8<\/th>\n<th>\u05e0\u05d7\u05d5\u05e9\u05ea<br \/>\n(\u05d2\u05e8\u05dd)<\/th>\n<th>\u05e4\u05d7\u05de\u05df<br \/>\n(\u05d2\u05e8\u05dd)<\/th>\n<th>\u05d7\u05de\u05e6\u05df<br \/>\n(\u05d2\u05e8\u05dd)<\/th>\n<\/tr>\n<tr>\n<td>\u05d9\u05e9\u05e8\u05d0\u05dc<\/td>\n<td>51.2<\/td>\n<td>9.7<\/td>\n<td>38.9<\/td>\n<\/tr>\n<tr>\n<td>\u05e6\u05e8\u05e4\u05ea<\/td>\n<td>51.5<\/td>\n<td>9.9<\/td>\n<td>38.8<\/td>\n<\/tr>\n<tr>\n<td>\u05d3\u05e8\u05d5\u05dd \u05d0\u05e4\u05e8\u05d9\u05e7\u05d4<\/td>\n<td>51.4<\/td>\n<td>9.8<\/td>\n<td>38.8<\/td>\n<\/tr>\n<tr>\n<td>\u05e1\u05e4\u05e8\u05d3<\/td>\n<td>51.3<\/td>\n<td>9.7<\/td>\n<td>39.3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u05db\u05d9\u05e6\u05d3 \u05e0\u05d9\u05ea\u05df \u05dc\u05d4\u05d1\u05d9\u05df \u05d0\u05ea \u05d4\u05e7\u05d1\u05d9\u05e2\u05d5\u05ea \u05d4\u05d6\u05d5 \u05d1\u05d4\u05e8\u05db\u05d1 \u05d4\u05d7\u05d5\u05de\u05e8\u05d9\u05dd?<\/p>\n<p>\u05d1\u05e9\u05ea\u05d9 \u05d4\u05d8\u05d1\u05dc\u05d5\u05ea \u05d4\u05d1\u05d0\u05d5\u05ea \u05de\u05d5\u05e6\u05d2\u05d9\u05dd \u05e1\u05d9\u05db\u05d5\u05de\u05d9\u05dd \u05e9\u05dc \u05de\u05e1\u05e4\u05e8 \u05e0\u05d9\u05e1\u05d5\u05d9\u05d9\u05dd \u05d1\u05d4\u05dd \u05e0\u05d5\u05e6\u05e8\u05d5 \u05de\u05d9\u05dd<br \/>\n\u05de\u05ea\u05e2\u05e8\u05d5\u05d1\u05ea \u05e9\u05dc \u05de\u05d9\u05de\u05df \u05d5\u05d7\u05de\u05e6\u05df, \u05d5\u05e0\u05d9\u05e1\u05d5\u05d9\u05d9\u05dd \u05d0\u05d7\u05e8\u05d9\u05dd \u05d1\u05d4\u05dd \u05e4\u05d5\u05e8\u05e7\u05d5 \u05de\u05d9\u05dd \u05dc\u05de\u05d9\u05de\u05df \u05d5\u05d7\u05de\u05e6\u05df.<\/p>\n<table>\n<tbody>\n<tr>\n<th><span style=\"color: #0000ff\">\u05d7\u05de\u05e6\u05df<\/span> <span style=\"color: #ff0000\">+<\/span> <span style=\"color: #ff9900\">\u05de\u05d9\u05de\u05df<\/span> <span style=\"color: #ff0000\">-&gt;<\/span> <span style=\"color: #008000\">\u05de\u05d9\u05dd<\/span><\/th>\n<th><span style=\"color: #ff0000\">\u05d4\u05d9\u05d7\u05e1<\/span><br \/>\n<span style=\"color: #0000ff\">\u05d7\u05de\u05e6\u05df<\/span> : <span style=\"color: #ff9900\">\u05de\u05d9\u05de\u05df<\/span><\/th>\n<\/tr>\n<tr>\n<td rowspan=\"3\"><span style=\"color: #008000\">\u05ea\u05d2\u05d5\u05d1\u05ea \u05d4\u05d9\u05e6\u05d9\u05e8\u05d4 \u05e9\u05dc \u05de\u05d9\u05dd:<\/span><\/td>\n<td>\u00a0<span style=\"color: #0000ff\">16.00<\/span> : <span style=\"color: #ff9900\">2.00<\/span> <span style=\"color: #ff0000\">= 8<\/span><\/td>\n<\/tr>\n<tr>\n<td>\u00a0<span style=\"color: #0000ff\">32.00<\/span> : <span style=\"color: #ff9900\">4.00<\/span> <span style=\"color: #ff0000\">= 8<\/span><\/td>\n<\/tr>\n<tr>\n<td>\u00a0<span style=\"color: #0000ff\">48.00<\/span> : <span style=\"color: #ff9900\">6.00<\/span> <span style=\"color: #ff0000\">= 8<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table>\n<tbody>\n<tr>\n<th><span style=\"color: #0000ff\">\u00a0<\/span>\u00a0<span style=\"color: #008000\">\u05de\u05d9\u05dd<\/span> <span style=\"color: #ff0000\">-&gt;<\/span> <span style=\"color: #0000ff\">\u05d7\u05de\u05e6\u05df<\/span> <span style=\"color: #ff0000\">+<\/span> <span style=\"color: #ff9900\">\u05de\u05d9\u05de\u05df\u00a0<\/span><\/th>\n<th><span style=\"color: #ff0000\">\u05d4\u05d9\u05d7\u05e1<\/span><br \/>\n<span style=\"color: #0000ff\">\u05d7\u05de\u05e6\u05df<\/span> : <span style=\"color: #ff9900\">\u05de\u05d9\u05de\u05df<\/span><\/th>\n<\/tr>\n<tr>\n<td rowspan=\"3\"><span style=\"color: #008000\">\u05ea\u05d2\u05d5\u05d1\u05ea \u05d4\u05e4\u05d9\u05e8\u05d5\u05e7\u00a0\u05e9\u05dc \u05de\u05d9\u05dd:<\/span><\/td>\n<td>\u00a0<span style=\"color: #0000ff\">8.88<\/span> : <span style=\"color: #ff9900\">1.11<\/span>\u00a0<span style=\"color: #ff0000\">= 8<\/span><\/td>\n<\/tr>\n<tr>\n<td>\u00a0<span style=\"color: #0000ff\">17.77<\/span> :\u00a0<span style=\"color: #ff9900\">2.22<\/span> <span style=\"color: #ff0000\">= 8<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"color: #0000ff\">\u00a026.65<\/span> : <span style=\"color: #ff9900\">3.33<\/span>\u00a0<span style=\"color: #ff0000\">= 8<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u05d4\u05ea\u05d1\u05d5\u05e0\u05e0\u05d5\u05ea \u05d1\u05e2\u05de\u05d5\u05d3\u05d4 \u05d4\u05d0\u05d7\u05e8\u05d5\u05e0\u05d4 \u05d1\u05e9\u05ea\u05d9 \u05d4\u05d8\u05d1\u05dc\u05d5\u05ea \u05de\u05e2\u05dc\u05d4 \u05ea\u05d5\u05e4\u05e2\u05d4 \u05de\u05d5\u05d6\u05e8\u05d4. \u05d2\u05dd<\/strong><br \/>\n<strong> \u05d1\u05ea\u05d2\u05d5\u05d1\u05d5\u05ea \u05d4\u05d9\u05e6\u05d9\u05e8\u05d4 \u05e9\u05dc \u05de\u05d9\u05dd \u05de\u05ea\u05e2\u05e8\u05d5\u05d1\u05ea \u05e9\u05dc \u05de\u05d9\u05de\u05df \u05d5\u05d7\u05de\u05e6\u05df, \u05d5\u05d2\u05dd \u05d1\u05ea\u05d2\u05d5\u05d1\u05d5\u05ea \u05d4\u05e4\u05d9\u05e8\u05d5\u05e7<\/strong><br \/>\n<strong> \u05e9\u05dc \u05d4\u05de\u05d9\u05dd \u05dc\u05de\u05d9\u05de\u05df \u05d5\u05d7\u05de\u05e6\u05df, \u05d4\u05d9\u05d7\u05e1 \u05d1\u05d9\u05df \u05d4\u05d9\u05e1\u05d5\u05d3\u05d5\u05ea \u05e7\u05d1\u05d5\u05e2 \u05d5\u05e2\u05e8\u05db\u05d5 8 \u05d1\u05d3\u05d9\u05d5\u05e7.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u05d1\u05de\u05e7\u05d5\u05de\u05d5\u05ea \u05e9\u05d5\u05e0\u05d9\u05dd \u05d1\u05e2\u05d5\u05dc\u05dd \u05e0\u05d9\u05ea\u05df \u05dc\u05de\u05e6\u05d5\u05d0 \u05d0\u05ea \u05d4\u05de\u05d7\u05e6\u05d1 \u05de\u05dc\u05d0\u05db\u05d9\u05d8 (\u05d4\u05de\u05d7\u05e6\u05d1 \u05d0\u05d5\u05ea\u05d5 \u05d0\u05e0\u05d5 \u05de\u05db\u05e0\u05d9\u05dd&quot;\u05d0\u05d1\u05df \u05d0\u05d9\u05dc\u05ea&quot;). \u05d1\u05d0\u05e8\u05e6\u05d5\u05ea \u05e9\u05d5\u05e0\u05d5\u05ea \u05d1\u05d9\u05e6\u05e2\u05d5 \u05d0\u05e0\u05d0\u05dc\u05d9\u05d6\u05d4 (\u05e4\u05d9\u05e8\u05d5\u05e7 \u05d4\u05d7\u05d5\u05de\u05e8 \u05dc\u05e6\u05d5\u05e8\u05db\u05d9 \u05d1\u05d3\u05d9\u05e7\u05d4) \u05e9\u05dc \u05de\u05d9\u05d3\u05d2\u05de\u05d9\u05dd \u05de\u05df \u05d4\u05de\u05d7\u05e6\u05d1 \u05d4\u05d6\u05d4. \u05e0\u05de\u05e6\u05d0 \u05db\u05d9 \u05db\u05d5\u05dc\u05dd \u05d4\u05d9\u05d5 \u05de\u05d5\u05e8\u05db\u05d1\u05d9\u05dd \u05de\u05e9\u05dc\u05d5\u05e9\u05d4 \u05d9\u05e1\u05d5\u05d3\u05d5\u05ea \u05d1\u05dc\u05d1\u05d3 &#8211; \u05e0\u05d7\u05d5\u05e9\u05ea, \u05e4\u05d7\u05de\u05df \u05d5\u05d7\u05de\u05e6\u05df. \u05dc\u05e6\u05d5\u05e8\u05da \u05d4\u05d1\u05d3\u05d9\u05e7\u05d4 &hellip; <a href=\"https:\/\/stweizmann.proj.ac.il\/chemtime\/?page_id=660\">\u05dc\u05d4\u05de\u05e9\u05da \u05e7\u05e8\u05d9\u05d0\u05d4  <span class=\"meta-nav\">&larr;<\/span><\/a><\/p>\n","protected":false},"author":8,"featured_media":0,"parent":0,"menu_order":4,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[],"tags":[],"class_list":["post-660","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u05e0\u05ea\u05d5\u05e0\u05d9\u05dd \u05e0\u05d5\u05e1\u05e4\u05d9\u05dd - \u05db\u05d9\u05de\u05d9\u05d4 \u05d1\u05de\u05e0\u05d4\u05e8\u05ea \u05d4\u05d6\u05de\u05df<\/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\/chemtime\/?page_id=660\" \/>\n<meta property=\"og:locale\" content=\"he_IL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u05e0\u05ea\u05d5\u05e0\u05d9\u05dd \u05e0\u05d5\u05e1\u05e4\u05d9\u05dd - \u05db\u05d9\u05de\u05d9\u05d4 \u05d1\u05de\u05e0\u05d4\u05e8\u05ea \u05d4\u05d6\u05de\u05df\" \/>\n<meta property=\"og:description\" content=\"\u05d1\u05de\u05e7\u05d5\u05de\u05d5\u05ea \u05e9\u05d5\u05e0\u05d9\u05dd \u05d1\u05e2\u05d5\u05dc\u05dd \u05e0\u05d9\u05ea\u05df \u05dc\u05de\u05e6\u05d5\u05d0 \u05d0\u05ea \u05d4\u05de\u05d7\u05e6\u05d1 \u05de\u05dc\u05d0\u05db\u05d9\u05d8 (\u05d4\u05de\u05d7\u05e6\u05d1 \u05d0\u05d5\u05ea\u05d5 \u05d0\u05e0\u05d5 \u05de\u05db\u05e0\u05d9\u05dd&quot;\u05d0\u05d1\u05df \u05d0\u05d9\u05dc\u05ea&quot;). \u05d1\u05d0\u05e8\u05e6\u05d5\u05ea \u05e9\u05d5\u05e0\u05d5\u05ea \u05d1\u05d9\u05e6\u05e2\u05d5 \u05d0\u05e0\u05d0\u05dc\u05d9\u05d6\u05d4 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