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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p><img src="https://img1.cnpowder.com.cn/img/daily/2024/01/29/132411_446872_procont.jpg" style="" title="132411_446872_procont.jpg"/></p><p><img src="https://img1.cnpowder.com.cn/img/daily/2024/01/29/132414_269305_procont.jpg" style="" title="132414_269305_procont.jpg"/></p><p><img src="https://img1.cnpowder.com.cn/img/daily/2024/01/29/132422_468268_procont.jpg" style="" title="132422_468268_procont.jpg"/></p><p><img src="https://img1.cnpowder.com.cn/img/daily/2024/01/29/132425_405833_procont.jpg" style="" title="132425_405833_procont.jpg"/></p><p><img src="https://img1.cnpowder.com.cn/img/daily/2024/01/29/132428_342197_procont.jpg" style="" title="132428_342197_procont.jpg"/></p><p><img src="https://img1.cnpowder.com.cn/img/daily/2024/01/29/132431_562120_procont.jpg" style="" title="132431_562120_procont.jpg"/></p><p><img src="https://img1.cnpowder.com.cn/img/daily/2024/01/29/132438_735431_procont.jpg" style="" title="132438_735431_procont.jpg"/></p><p><img src="https://img1.cnpowder.com.cn/img/daily/2024/01/29/132442_059920_procont.jpg" style="" title="132442_059920_procont.jpg"/></p><p><img src="https://img1.cnpowder.com.cn/img/daily/2024/01/29/132445_778131_procont.jpg" style="" title="132445_778131_procont.jpg"/></p><p><img src="https://img1.cnpowder.com.cn/img/daily/2024/01/29/132448_856434_procont.jpg" style="" title="132448_856434_procont.jpg"/></p><p><img src="https://img1.cnpowder.com.cn/img/daily/2024/01/29/132454_262141_procont.jpg" style="" title="132454_262141_procont.jpg"/></p><p><img src="https://img1.cnpowder.com.cn/img/daily/2024/01/29/132457_195921_procont.jpg" style="" title="132457_195921_procont.jpg"/></p><p><span style="color: rgb(86, 86, 86); font-family: Arial, 微软雅黑, Helvetica, sans-serif; font-size: 15px; text-align: justify; text-wrap: wrap;"><img src="https://img1.cnpowder.com.cn/img/daily/2024/03/18/135024_939563_procont.jpg" title="135024_939563_procont.jpg" alt="粉体�?jpg"/></span></p><p><span style="color: rgb(86, 86, 86); font-family: Arial, 微软雅黑, Helvetica, sans-serif; font-size: 15px; text-align: justify; text-wrap: wrap;">一般来说，在工艺标准一定的情况下，压实密度越大，电池的容量也变得越高。适宜的正极压实密度能够增大电池的放电容量，减小内阻，减小极化丢失，延伸电池的循环寿数，进步锂离子电池的利用率。在压实密度过大或过小时，不利于锂离子的嵌入嵌出、�/span></p> </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;"> 本仪器适用于各种粉末颗粒在单点、或多点压力/压强下被压缩后的压实密度测试� </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 class="xgfa_cont"><a href="//www.znpla.com/huayan2021/solution_333.html" target="_blank" class="xgfa_cont_img"><img src="https://img1.cnpowder.com.cn/img/daily/2021/11/22/140453_790664_solution_25872.jpg"/></a> <div class="xgfa_cont_rig"><a href="//www.znpla.com/huayan2021/solution_333.html" target="_blank">体积电阻率和表面电阻率有什么不吋�/a> <p class="xgfa_cont_txt">首先*步需要测试体积电阻值和表面电阻值，然后根据试样的尺寸和电极系数，根据计算公式得到体积电阻率和表面电阻率，体积和表面电阻测试时，对电压试样的位置不同，从而能够不同的电阻值在接和未接试样时电容的变化</p><div class="xgfa_cont_time"> <span>石油/化工</span><p>2021-11-22</p></div></div></div> </div> </div> <script> $(function(){ // 切换 $(".xgfa_tit_ul li").hover(function(){ $(".xgfa_tit_ul li").css({"color":"#4F5862","border-bottom-color":"transparent"}); 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