AW1000T水分活度�?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><strong><span>水分活度原理介绍</span></strong></p><p><span>水分活度<span>(Water Activity</span>，简冘�span>aw</span>，也称为水活性，水活�?span>)</span>是表征样品中水的能量状态的参数，通过测定样品的水分活度，可以判断样品的稳定性和微生物是否被抑制生长，从而对产品的安全货架期进行评估，对包装材料进行评估，对产品配方进行评估、�/span></p><p><span>水分活度的测定原理：在密闭空间中，样品的平衡蒸气压与相同温度下纯水的饱和蒸气压的比值，即为样品的水活度，单位为<span>aw</span>、�/span></p><p><strong><span>水分活度的应用范図�/span></strong></p><p><span>水分活度测定仪已被广泛应用在食品<span>/</span>药品<span>/</span>化妆品等领域，已纳入众多标准体系：如<span>GB</span>中国国家标准＋�span>FDA</span>�?span>USDA</span>法规咋�span>GMP</span>�?span>HACCP</span>等、�/span></p><p><span>通过测定产品的水分活度，可进行以下方面的研究９�/span></p><p><span>控制微生物生镾�/span></p><p><span>计算产品货架朞�/span></p><p><span>包装方式<span>/</span>材料的选择</span></p><p><span>调整产品配方</span></p><p><span>水分迁移<span>/</span>化学反应</span></p><p><strong><span>水分活度和微生物生长的关糺�/span></strong></p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td><p><span>Aw</span><span>范围</span></p></td><td><p><span>在此范围内的*低水分活度一般所能抑制的微生�?/span></p></td></tr><tr><td><p><span>1.00</span><span>｝�/span><span>0.95</span></p></td><td><p><span>假单胞菌、大肠杆菌变形杆菌、志贺氏菌属、克雷伯氏菌属、芽孢杆菌．产气荚膜梭状芽孢杆菌、一些酵毌�/span></p></td></tr><tr><td><p><span>0.95</span><span>｝�/span><span>0.91</span></p></td><td><p><span>沙门氏杆菌属、溶副血红蛋白弧菌、肉毒梭状芽孢杆菌、沙雷氏杆菌、乳酸杆菌属、足球菌、一些霉菌、酵毌�/span><span>(</span><span>红酵母、毕赤氏酵母</span><span>)</span></p></td></tr><tr><td><p><span>0.91</span><span>｝�/span><span>0.87</span></p></td><td><p><span>许多酵母</span><span>(</span><span>假丝酶母、球拟酵母、汉逊酶毌�/span><span>)</span><span>小球菋�/span></p></td></tr><tr><td><p><span>0.87</span><span>｝�/span><span>0.80</span></p></td><td><p><span>大多数霉菋�/span><span>(</span><span>产生毒素的青霉菌</span><span>)</span><span>，金黄色葡萄球菌、大多数酵母菌属</span><span>(</span><span>拜耳酵毌�/span><span>)SPP</span><span>、德巴利氏酵母菌</span></p></td></tr><tr><td><p><span>0.80</span><span>｝�/span><span>0.75</span></p></td><td><p><span>大多数嗜盐细菌、产真菌毒素的曲霈�/span></p></td></tr><tr><td><p><span>0.75</span><span>｝�/span><span>0.65</span></p></td><td><p><span>嗜旱霉菌</span><span>(</span><span>谢瓦曲霉、白曲霉�?/span><span>WallemiaSebi</span><span>）、二孢酵毌�/span></p></td></tr><tr><td><p><span>0.65</span><span>｝�/span><span>0.60</span></p></td><td><p><span>耐渗透压酵母</span><span>(</span><span>鲁酵毌�/span><span>)</span><span>，少数霉菋�/span><span>(</span><span>刺孢曲霉、二孢红曲霉</span><span>)</span></p></td></tr><tr><td><p><span><</span><span>0.60</span></p></td><td><p><span>微生物不增殖</span></p></td></tr></tbody></table><p><span>引用�?span>Beuchat，L.R</span>＋�span>1981</span>水分活度对微生物的影哌�/span></p><p><span><strong><span>AW1000T</span></strong><strong><span>水分活度仪技术特炸�/span></strong></span></p><p></p><p><span>5</span><span>英寸触摸屏，分辨玆�span>480*854</span>像素</span></p><p><span>中文界面，操作简侾�/span></p><p><span>样品提前预热，节省检测时闳�/span></p><p><span>采用快速平衡方式，快速检测样品的水分活度� </span></p><p><span>内置帕尔贴，精确控制检测温�?/span></p><p><span>红外温度传感器测定样品温�?/span></p><p><span>检测数据可储存<span>2000</span>练�/span></p><p><span>操作者权限分�?/span></p><p><span>多点校正，可使用<span>11</span>种标准溶液全范围校正</span></p><p><span>检测精度：<span>0.005aw @25</span><span>ℂ�/span></p><p><span>分辨率：<span>0.001aw</span></span></p><p><span>温度控制精度９�span>0.2</span><span>ℂ�/span></p><p><span>温度分辨率：<span>0.1</span><span>ℂ�/span></span></p><p><span>订货信息</span></p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td><p><span>订货叶�/span></p></td><td><p><span>详细描述</span></p></td></tr><tr><td><p><span>1000T-01</span></p></td><td><p><span>AW1000T</span><span>水分活度仪主朹�span>1</span>台，电源纾�span>1</span>根，样品�?span>10</span>个，样品杯盖<span>10</span>�?/span></p></td></tr><tr><td><p><span>尺寸</span></p></td><td><p><span>镾�span>34*</span>宼�span>23*</span>髗�span>17CM</span></p></td></tr><tr><td><p><span>重量</span></p></td><td><p><span>4.7KG</span></p></td></tr></tbody></table> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; font-size: 14px; margin: 10px 0 0; line-height: 26px;"> 暂无数据� </p> </div>  <div class="xgfa"> <div class="xgfa_tit"> <div> <span></span>相关方案 </div> </div> <div class="xgfa_box" style="display: block;"><div style="padding:10px;">暂无相关方案、�/div> </div> </div> <script> $(function(){ // 切换 $(".xgfa_tit_ul li").hover(function(){ $(".xgfa_tit_ul li").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); var _index = $(this).index(); $(".xgfa_box").css("display","none"); $(".xgfa_box").eq(_index).css("display","block"); }); }); </script>  <div class="xgzl"> <div class="cxd_tit"><span></span>相关资料</div> <div class="xgzl_box"><div style="padding:10px;">暂无数据、�/div> </div> </div>  <div class="yhpl"> <div class="cxd_tit"><span></span>用户评论</div> <form id="FormComments" action="" method="post" onsubmit="return false"> <input name="SaveProComments" id="SaveProComments" type="hidden" value="yes" /> <input name="ProductID" id="ProductID" type="hidden" value="283806" /> <input name="ProQuality" id="ProQuality" type="hidden" value="10" /> <input name="ProService" id="ProService" type="hidden" value="10" /> <input name="ProUsability" id="ProUsability" type="hidden" value="10" /> <input name="ProCostperformance" id="ProCostperformance" type="hidden" value="10" /> <div class="yhpl_pf"> <div> <p>产品质量</p> <div><span id="Quality" class="stars star10"></span><span id="Quality_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>售后服务</p> <div><span id="Service" class="stars star10"></span><span id="Service_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>易用�?/p> <div><span id="Usability" class="stars star10"></span><span id="Usability_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>性价毓�/p> <div><span id="Costperformance" class="stars star10"></span><span id="Costperformance_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> </div> <div class="yhpl_pftit">评论内容</div> <textarea name="Comments" id="ProComments" onfocus="checklogin();" placeholder="分享产品使用经验/采购评价（不超过500字）">