门捷列夫-畅读网

　　　　

门捷列夫

作者：熊伟

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mobi/epub/pdf/awz3

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德米特里・伊万诺维奇・门捷列夫（Dmitri IvanovichMendeleev，1834～1907），俄国著名的化学家、进步的社会活动家和教育家，自然科学基本定律化学元素周期律发现者之一。其研究领域包括气体定律、气象学、石油工业、农业化学、无烟火药、度量衡等。门捷列夫于1834年生于西伯利亚的托博尔斯克，1841年秋，不满7周岁的门捷列夫就读于托博尔斯克中学。1849年春，门捷列夫中学毕业，历尽周折进入圣彼得堡中央师范学院学习……

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CONNECT:[ UseTime:0.003174s ] mysql:host=127.0.0.1;port=3306;dbname=mq;charset=utf8mb4
SHOW FULL COLUMNS FROM `ls_goods_category` [ RunTime:0.005552s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 1 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.000777s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 2 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.000605s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 3 ORDER BY `sort` DESC [ RunTime:0.001888s ]
SHOW FULL COLUMNS FROM `ls_nav` [ RunTime:0.004911s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`link`,`module`,`is_show`,`is_recommend` FROM `ls_nav` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 1 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.005112s ]
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SHOW FULL COLUMNS FROM `ls_friendly_link` [ RunTime:0.004610s ]
SELECT * FROM `ls_friendly_link` WHERE `is_show` = 1 AND `del` = 0 ORDER BY `id` DESC,`sort` DESC [ RunTime:0.001763s ]
SHOW FULL COLUMNS FROM `ls_goods` [ RunTime:0.010046s ]
SELECT * FROM `ls_goods` WHERE `id` = 54842 AND `status` = 1 LIMIT 1 [ RunTime:0.005270s ]
UPDATE `ls_goods` SET `click_count` = 180 , `update_time` = 1783570416 WHERE `id` = 54842 [ RunTime:0.013280s ]
SELECT `name`,`first_category_id`,`second_category_id` FROM `ls_goods` WHERE `id` = 54842 LIMIT 1 [ RunTime:0.009089s ]
SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 46 LIMIT 1 [ RunTime:0.007657s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 1 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.007806s ]
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SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 3 ORDER BY `sort` DESC [ RunTime:0.003752s ]
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SHOW FULL COLUMNS FROM `ls_ad` [ RunTime:0.009203s ]
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SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 5 LIMIT 1 [ RunTime:0.006916s ]
SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 46 LIMIT 1 [ RunTime:0.001014s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 11 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.007041s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 14 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.006710s ]
SELECT * FROM `ls_goods` WHERE `del` = 0 AND `status` = 1 AND `create_time` <= 1783570357 ORDER BY `create_time` DESC LIMIT 5 [ RunTime:1.087766s ]

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