Database error: Invalid SQL: select count(id) from mol_comment where catid='1' and rid='320'
MySQL Error: 145 (Table '.\igdesiccantnet\mol_comment' is marked as crashed and should be repaired)
#0 dbbase_sql->halt(Invalid SQL: select count(id) from mol_comment where catid='1' and rid='320') called at [D:\wwwroot\desiccant_lsyfsh\web\includes\db.inc.php:54] #1 dbbase_sql->query(select count(id) from {P}_comment where catid='1' and rid='320') called at [D:\wwwroot\desiccant_lsyfsh\web\news\module\NewsContent.php:161] #2 NewsContent() called at [D:\wwwroot\desiccant_lsyfsh\web\includes\common.inc.php:526] #3 printpage() called at [D:\wwwroot\desiccant_lsyfsh\web\news\html\index.php:13] Database error: Invalid SQL: select sum(pj1) from mol_comment where catid='1' and rid='320'
MySQL Error: 145 (Table '.\igdesiccantnet\mol_comment' is marked as crashed and should be repaired)
#0 dbbase_sql->halt(Invalid SQL: select sum(pj1) from mol_comment where catid='1' and rid='320') called at [D:\wwwroot\desiccant_lsyfsh\web\includes\db.inc.php:54] #1 dbbase_sql->query(select sum(pj1) from {P}_comment where catid='1' and rid='320') called at [D:\wwwroot\desiccant_lsyfsh\web\news\module\NewsContent.php:167] #2 NewsContent() called at [D:\wwwroot\desiccant_lsyfsh\web\includes\common.inc.php:526] #3 printpage() called at [D:\wwwroot\desiccant_lsyfsh\web\news\html\index.php:13] 真假3A分子筛鉴别方法-中空玻璃干燥剂网
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3a
真假3A分子筛鉴别方法
作者:系统管理员    发布于:2010-07-06 07:40:20    文字:【】【】【
1. 将干燥剂浸泡,滤出液有涩味;或将其倒入食用碱Na2CO3溶液中,有白色沉淀者为腐蚀性氯化钙干燥剂。
2. 研碎后浸出液PH>10,为腐蚀性生石灰干燥剂。
3. 将100克左右干燥剂放入塑料袋或气球中密封不漏气,放入开水中加热10分钟,有明显胀气的是4A分子筛。
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