纳米羟基磷灰�?参数-价格-中国粉体罐�/title>

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} }); function showliuyan(me, showtype){ if(showtype==0){ //$("#Content").val($("#Content").attr('placeholder')); Content= document.getElementById('PopMsgFrom').Content.getAttribute('placeholder'); document.getElementById('PopMsgFrom').Content.value=Content; } if(showtype==1){ // $("#Content").val($(me).text()); alert($(me).text()); document.getElementById('PopMsgFrom').Content.value=$(me).text(); } $(".fxp").css("display","flex"); } function close_popwin(){ $(".fxp").css("display","none"); // 关闭虚拟电话后的留言� $(".dhxj").css("display","none"); $(".dhxjbox").css("display", "none"); $(".dhxjbox2").css("display", "none"); return false; } </script>  <div class="cpjs"> <div class="cpjs_tab"> <div class="js_cpjj" style="border-bottom: 3px solid #1479d7; color: #1479d7;">产品介绍</div> <div class="js_cxd">创新炸�/div> <div class="js_xgfa">相关方案</div> <div class="js_xgzl">相关资料</div> <div class="js_yhpl">用户评论</div> <div class="js_gsdt">公司动�?/div> <div class="js_wsj">问商宵�/div> </div> <script> $(function(){ // 切换 $(".cpjs_tab a").click(function(){ $(".cpjs_tab a").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p>纳米羟基磷灰石系列产品（MH-HAP（�br/> <br/>性能特点９�br/> <br/>羟基磷灰石的组成和晶体结构羟基磷灰石的理论组成为Ca10(PO4)6(OH)2，Ca/P �?.67，但由于受到制备过程的影响，其真正的组成是相当复杂的。HA 晶体为六方晶系，属L6PC 对称型和P63/m空间群，其结构为六角柱体，与c 轴垂直的面是一个六边形，a、b 轴夹�?20º；，其晶胞参数为a�?.43~9.38Å；，c�?.88�?.86Å�?z�?，单位晶胞含�?0 个Ca2+�? 个PO43-�? 个OH-。HA 微晶表面具有几种可能的表面状态：�?）当OH 位于晶体表面时，OH �?个Ca（Ⅱ）离子相连，当HA 在水溶液中时，这个表面OH 位置至少在某一瞬间空缺，由�? 个Ca（Ⅱ）离子带正电荷，形成了一个吸附位置，这个位置能吸附PO43-或大分子上的磷酸根基团或羧基基团。（2）当Ca 离子位于晶体的表面时，由于Ca（Ⅰ）与6 个带负电电荷的O 原子相连，当HA 在水溶液中，表面的Ca（Ⅰ）位置在某一瞬间空缺时，就在Ca（Ⅰ）位置形成较强的吸附位置，能吸附Sr3＋、K＋等阳离子及蛋白质分子的基团，而在Ca（Ⅱ）位置则形成一个较弱的吸附位置。（3）PO43-位于晶体的表面时，H2O 通过氢键与PO43-离子结合、�/p><p>参数指标９�br/> <br/>平均粒径� �?0nm 元素含量� Ca10(PO4)6(OH)2 �?9.5% 重金� �?ppm � �?ppm 干燥失重 0.59% 灼烧失重 2.59% 白度 96 PH� 7.41 盐酸不溶� 0.02%</p><p>主要用途：<br/> <br/>1�?nbsp; 羟基磷灰石植入骨后，因其对骨组织有亲和作用，能诱导未分化间充质细胞分化成骨细胞，后者直接附着于羟基磷灰石表面<br/>2�?nbsp; 从化学构成上讲羟基磷灰石是由钙磷构成，这两种成份是骨组织*常见成份，且骨组织钙盐是以结晶基磷灰石和无定型磷酸构成，因而羟基磷灰石骨代用材料不仅在成份上，而且在结构上与人体骨组织中钙盐是一致的，所以可以用于人造关节、替代骨<br/> 3、生物陶瓷材料的临床应用范围 人造关�?替代�?牙膏,食品等应� <br/></p><p></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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