Database error: Invalid SQL: select count(id) from pwn_comment where catid='1' and rid='328'
MySQL Error: 145 (Table '.\a0907135953\pwn_comment' is marked as crashed and should be repaired)
#0 dbbase_sql->halt(Invalid SQL: select count(id) from pwn_comment where catid='1' and rid='328') called at [D:\wwwroot\test2037\web\includes\db.inc.php:73] #1 dbbase_sql->query(select count(id) from {P}_comment where catid='1' and rid='328') called at [D:\wwwroot\test2037\web\news\module\NewsContent.php:163] #2 NewsContent() called at [D:\wwwroot\test2037\web\includes\common.inc.php:518] #3 printpage() called at [D:\wwwroot\test2037\web\news\html\index.php:15] Database error: Invalid SQL: select sum(pj1) from pwn_comment where catid='1' and rid='328'
MySQL Error: 145 (Table '.\a0907135953\pwn_comment' is marked as crashed and should be repaired)
#0 dbbase_sql->halt(Invalid SQL: select sum(pj1) from pwn_comment where catid='1' and rid='328') called at [D:\wwwroot\test2037\web\includes\db.inc.php:73] #1 dbbase_sql->query(select sum(pj1) from {P}_comment where catid='1' and rid='328') called at [D:\wwwroot\test2037\web\news\module\NewsContent.php:169] #2 NewsContent() called at [D:\wwwroot\test2037\web\includes\common.inc.php:518] #3 printpage() called at [D:\wwwroot\test2037\web\news\html\index.php:15] Database error: Invalid SQL: select * from pwn_comment where iffb='1' and catid='1' and pid='0' and rid='328' order by dtime desc limit 0,5
MySQL Error: 145 (Table '.\a0907135953\pwn_comment' is marked as crashed and should be repaired)
#0 dbbase_sql->halt(Invalid SQL: select * from pwn_comment where iffb='1' and catid='1' and pid='0' and rid='328' order by dtime desc limit 0,5) called at [D:\wwwroot\test2037\web\includes\db.inc.php:73] #1 dbbase_sql->query(select * from {P}_comment where iffb='1' and catid='1' and pid='0' and rid='328' order by dtime desc limit 0,5) called at [D:\wwwroot\test2037\web\news\module\NewsComment.php:48] #2 NewsComment() called at [D:\wwwroot\test2037\web\includes\common.inc.php:518] #3 printpage() called at [D:\wwwroot\test2037\web\news\html\index.php:15] 种子含水量的测定-天天正品,天天折扣!
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种子含水量的测定
作者:管理员    发布于:2014-06-05 08:41:07    文字:【】【】【
种子含水量是指按规定程序将测定样品烘T后失去的质量与供检样品质虽的
白分率。它是影响种子寿命的重要因素之一,含水量的高低直接影响种子的调运
和贮藏的安全,为妥善调运种子提供可靠的参考数据。种子含水量测定必须使种
子水分中自出水和束缚水全部除左,出于自由水易受外界环境条件的影响,所以应
采取‘些措施尽虽防止水分的丧失。如送验样品必须装在防湿容器中,并尽可能
排除其少的空气;样品接收后立即测定:测定过程中的取样、磨碎和称重须操作迅
速;避免磨碎蒸发等。同时要尽最大呵能减少氧化、分解或其他挥发性物质的损
失。测定方法主要有低恒温烘干法、快速烘下达和购次烘1:法二种。
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