程欢，华北理工大学，副教授，硕士生导师。长期致力于低碳煤焦化领域的科学与技术研究，获河北省科技进步二等奖1项，主持纵向项目3项，承担横向课题11项。在《Fuel》、《International Journal of Coal Preparation and Utilization》等国内外重要杂志上发表论文30余篇。研发的炼焦煤与焦炭质量评价新方法在多家焦化企业实施应用，累计为地方企业创造经济效益4.56亿元。
[8]Trying to access array offset on value of type null[/websites/wwwroot/www.china-mcc.com/runtime/temp/a3376a7c134a97a00a572c954fadd9cc.php:163]
[8]Trying to access array offset on value of type null[/websites/wwwroot/www.china-mcc.com/runtime/temp/a3376a7c134a97a00a572c954fadd9cc.php:167]
[8]Trying to access array offset on value of type null[/websites/wwwroot/www.china-mcc.com/runtime/temp/a3376a7c134a97a00a572c954fadd9cc.php:186]
[8]Trying to access array offset on value of type null[/websites/wwwroot/www.china-mcc.com/runtime/temp/a3376a7c134a97a00a572c954fadd9cc.php:367]
[8]Trying to access array offset on value of type null[/websites/wwwroot/www.china-mcc.com/runtime/temp/a3376a7c134a97a00a572c954fadd9cc.php:367]
[2]Use of undefined constant meet_doc_title - assumed 'meet_doc_title' (this will throw an Error in a future version of PHP)[/websites/wwwroot/www.china-mcc.com/runtime/temp/a3376a7c134a97a00a572c954fadd9cc.php:487]
[2]Use of undefined constant meet_doc_title - assumed 'meet_doc_title' (this will throw an Error in a future version of PHP)[/websites/wwwroot/www.china-mcc.com/runtime/temp/a3376a7c134a97a00a572c954fadd9cc.php:487]
[2]Use of undefined constant meet_doc_title - assumed 'meet_doc_title' (this will throw an Error in a future version of PHP)[/websites/wwwroot/www.china-mcc.com/runtime/temp/a3376a7c134a97a00a572c954fadd9cc.php:487]
[2]Use of undefined constant meet_doc_title - assumed 'meet_doc_title' (this will throw an Error in a future version of PHP)[/websites/wwwroot/www.china-mcc.com/runtime/temp/a3376a7c134a97a00a572c954fadd9cc.php:487]
[2]Use of undefined constant meet_doc_title - assumed 'meet_doc_title' (this will throw an Error in a future version of PHP)[/websites/wwwroot/www.china-mcc.com/runtime/temp/a3376a7c134a97a00a572c954fadd9cc.php:487]
[2]Use of undefined constant meet_doc_title - assumed 'meet_doc_title' (this will throw an Error in a future version of PHP)[/websites/wwwroot/www.china-mcc.com/runtime/temp/a3376a7c134a97a00a572c954fadd9cc.php:487]
[2]Use of undefined constant meet_doc_title - assumed 'meet_doc_title' (this will throw an Error in a future version of PHP)[/websites/wwwroot/www.china-mcc.com/runtime/temp/a3376a7c134a97a00a572c954fadd9cc.php:487]
[2]Use of undefined constant meet_doc_title - assumed 'meet_doc_title' (this will throw an Error in a future version of PHP)[/websites/wwwroot/www.china-mcc.com/runtime/temp/a3376a7c134a97a00a572c954fadd9cc.php:487]
[2]Use of undefined constant meet_doc_title - assumed 'meet_doc_title' (this will throw an Error in a future version of PHP)[/websites/wwwroot/www.china-mcc.com/runtime/temp/a3376a7c134a97a00a572c954fadd9cc.php:487]
[2]Use of undefined constant meet_doc_title - assumed 'meet_doc_title' (this will throw an Error in a future version of PHP)[/websites/wwwroot/www.china-mcc.com/runtime/temp/a3376a7c134a97a00a572c954fadd9cc.php:487]
[ DB ] CONNECT:[ UseTime:0.001206s ] mysql:host=pc-m5epcw1px949b110u.rwlb.rds.aliyuncs.com;port=3306;dbname=yousedb;charset=utf8
[ SQL ] SHOW COLUMNS FROM `tb_guest` [ RunTime:0.001838s ]
[ SQL ] SELECT * FROM `tb_guest` WHERE `id` = 798 LIMIT 1 [ RunTime:0.000878s ]
[ SQL ] UPDATE `tb_guest` SET `hit`=`hit`+1 WHERE `id` = 798 [ RunTime:0.000861s ]
[ SQL ] SELECT * FROM `tb_guest` WHERE `id` = 798 LIMIT 1 [ RunTime:0.000920s ]
[ SQL ] SHOW COLUMNS FROM `tb_admin` [ RunTime:0.001060s ]
[ SQL ] SELECT * FROM `tb_admin` WHERE `id` = 4 LIMIT 1 [ RunTime:0.000690s ]
[ SQL ] SHOW COLUMNS FROM `tb_anchor` [ RunTime:0.000887s ]
[ SQL ] SELECT * FROM `tb_anchor` ORDER BY `id` ASC [ RunTime:0.001597s ]
[ SQL ] SELECT * FROM `tb_guest` WHERE `id` > 798 AND `status` = 1 ORDER BY `add_date` ASC LIMIT 1 [ RunTime:0.003272s ]
[ SQL ] SELECT * FROM `tb_guest` WHERE `id` < 798 AND `status` = 1 ORDER BY `add_date` DESC LIMIT 1 [ RunTime:0.001401s ]
[ SQL ] SHOW COLUMNS FROM `tb_mcc` [ RunTime:0.001038s ]
[ SQL ] SELECT * FROM `tb_mcc` WHERE `classify` = 1 [ RunTime:0.001706s ]
[ SQL ] SELECT * FROM `tb_mcc` WHERE `classify` = 2 [ RunTime:0.002468s ]
[ SQL ] select * from tb_meet_view WHERE start_date>DATE_FORMAT(now(),'%Y-%m-%d') order by start_date asc limit 5 [ RunTime:0.007212s ]
[ SQL ] SHOW COLUMNS FROM `tb_area` [ RunTime:0.001140s ]
[ SQL ] SELECT * FROM `tb_area` WHERE `id` = 263 LIMIT 1 [ RunTime:0.000707s ]
[ SQL ] SELECT * FROM `tb_area` WHERE `id` = 22 LIMIT 1 [ RunTime:0.000794s ]
[ SQL ] SELECT * FROM `tb_area` WHERE `id` = 320 LIMIT 1 [ RunTime:0.000714s ]
[ SQL ] SELECT * FROM `tb_area` WHERE `id` = 27 LIMIT 1 [ RunTime:0.000602s ]
[ SQL ] SELECT * FROM `tb_area` WHERE `id` = 170 LIMIT 1 [ RunTime:0.000701s ]
[ SQL ] SELECT * FROM `tb_area` WHERE `id` = 16 LIMIT 1 [ RunTime:0.000627s ]
[ SQL ] SELECT * FROM `tb_area` WHERE `id` = 58 LIMIT 1 [ RunTime:0.000722s ]
[ SQL ] SELECT * FROM `tb_area` WHERE `id` = 7 LIMIT 1 [ RunTime:0.000715s ]
[ SQL ] SELECT * FROM `tb_area` WHERE `id` = 172 LIMIT 1 [ RunTime:0.000664s ]
[ SQL ] SELECT * FROM `tb_area` WHERE `id` = 16 LIMIT 1 [ RunTime:0.000688s ]
[ SQL ] select table_id,count(*) as num from tb_download group by table_id order by count(*) desc limit 10 [ RunTime:0.013018s ]
[ SQL ] SHOW COLUMNS FROM `tb_meet_doc` [ RunTime:0.001251s ]
[ SQL ] SELECT * FROM `tb_meet_doc` WHERE `id` = 524 LIMIT 1 [ RunTime:0.000759s ]
[ SQL ] SELECT * FROM `tb_meet_doc` WHERE `id` = 532 LIMIT 1 [ RunTime:0.000716s ]
[ SQL ] SELECT * FROM `tb_meet_doc` WHERE `id` = 390 LIMIT 1 [ RunTime:0.000787s ]
[ SQL ] SELECT * FROM `tb_meet_doc` WHERE `id` = 523 LIMIT 1 [ RunTime:0.000776s ]
[ SQL ] SELECT * FROM `tb_meet_doc` WHERE `id` = 533 LIMIT 1 [ RunTime:0.000845s ]
[ SQL ] SELECT * FROM `tb_meet_doc` WHERE `id` = 662 LIMIT 1 [ RunTime:0.001453s ]
[ SQL ] SELECT * FROM `tb_meet_doc` WHERE `id` = 530 LIMIT 1 [ RunTime:0.000752s ]
[ SQL ] SELECT * FROM `tb_meet_doc` WHERE `id` = 531 LIMIT 1 [ RunTime:0.000774s ]
[ SQL ] SELECT * FROM `tb_meet_doc` WHERE `id` = 667 LIMIT 1 [ RunTime:0.000722s ]
[ SQL ] SELECT * FROM `tb_meet_doc` WHERE `id` = 233 LIMIT 1 [ RunTime:0.000774s ]
[ SQL ] SHOW COLUMNS FROM `tb_good` [ RunTime:0.001024s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `tb_good` WHERE `table_name` = 'guest' AND `table_id` = 798 LIMIT 1 [ RunTime:0.001023s ]
[ SQL ] SHOW COLUMNS FROM `tb_bad` [ RunTime:0.001155s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `tb_bad` WHERE `table_name` = 'guest' AND `table_id` = 798 LIMIT 1 [ RunTime:0.000771s ]
[ SQL ] SHOW COLUMNS FROM `tb_collect` [ RunTime:0.001089s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `tb_collect` WHERE `table_name` = 'guest' AND `table_id` = 798 LIMIT 1 [ RunTime:0.000959s ]
[ SQL ] SHOW COLUMNS FROM `tb_report` [ RunTime:0.001136s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `tb_report` WHERE `table_name` = 'guest' AND `table_id` = 798 LIMIT 1 [ RunTime:0.001292s ]
[ SQL ] SHOW COLUMNS FROM `tb_share` [ RunTime:0.001409s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `tb_share` WHERE `table_name` = 'guest' AND `table_id` = 798 LIMIT 1 [ RunTime:0.003158s ]
[ SQL ] SHOW COLUMNS FROM `tb_comment` [ RunTime:0.001002s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `tb_comment` WHERE `table_name` = 'guest' AND `table_id` = 798 AND `parent_id` = 0 LIMIT 1 [ RunTime:0.012389s ]
[ SQL ] SHOW COLUMNS FROM `tb_tag` [ RunTime:0.001218s ]
[ SQL ] SELECT * FROM `tb_tag` WHERE `hit` > 10 ORDER BY rand() LIMIT 0,16 [ RunTime:0.050314s ]
[ SQL ] SELECT * FROM `tb_comment` WHERE `table_name` = 'guest' AND `table_id` = 798 AND `parent_id` = 0 AND `isdelete` = 0 ORDER BY `add_date` DESC [ RunTime:0.009906s ]
[ SQL ] SHOW COLUMNS FROM `tb_meet` [ RunTime:0.001222s ]
[ SQL ] SELECT * FROM `tb_meet` ORDER BY `hit` DESC,`add_date` DESC LIMIT 0,5 [ RunTime:0.000986s ]
[ SQL ] SELECT * FROM `tb_area` WHERE `id` = 273 LIMIT 1 [ RunTime:0.000713s ]
[ SQL ] SELECT * FROM `tb_area` WHERE `id` = 23 LIMIT 1 [ RunTime:0.000695s ]
[ SQL ] SELECT * FROM `tb_area` WHERE `id` = 272 LIMIT 1 [ RunTime:0.000648s ]
[ SQL ] SELECT * FROM `tb_area` WHERE `id` = 23 LIMIT 1 [ RunTime:0.000657s ]
[ SQL ] SELECT * FROM `tb_area` WHERE `id` = 32 LIMIT 1 [ RunTime:0.000631s ]
[ SQL ] SELECT * FROM `tb_area` WHERE `id` = 1 LIMIT 1 [ RunTime:0.000677s ]
[ SQL ] SELECT * FROM `tb_area` WHERE `id` = 204 LIMIT 1 [ RunTime:0.000650s ]
[ SQL ] SELECT * FROM `tb_area` WHERE `id` = 18 LIMIT 1 [ RunTime:0.000699s ]
[ SQL ] SELECT * FROM `tb_area` WHERE `id` = 272 LIMIT 1 [ RunTime:0.000726s ]
[ SQL ] SELECT * FROM `tb_area` WHERE `id` = 23 LIMIT 1 [ RunTime:0.000688s ]
[ SQL ] SHOW COLUMNS FROM `tb_meet_news` [ RunTime:0.000969s ]
[ SQL ] SELECT * FROM `tb_meet_news` ORDER BY `hit` DESC,`add_date` DESC LIMIT 0,10 [ RunTime:0.002641s ]
[ SQL ] SELECT `id`,`title`,`pic`,`city_id`,`start_date`,`end_date`,`tag`,`guest_ids` FROM `tb_meet` WHERE ( FIND_IN_SET(798,guest_ids) ) [ RunTime:0.000996s ]
[ SQL ] SHOW COLUMNS FROM `tb_photo` [ RunTime:0.000919s ]
[ SQL ] SELECT `item_id`,`guest_id` FROM `tb_photo` WHERE ( FIND_IN_SET(798,guest_id) ) [ RunTime:0.001617s ]
[ SQL ] SHOW COLUMNS FROM `tb_met_item` [ RunTime:0.000991s ]
[ SQL ] SELECT `met_id` FROM `tb_met_item` WHERE `id` IN (0) [ RunTime:0.000689s ]
[ SQL ] SHOW COLUMNS FROM `tb_met` [ RunTime:0.000982s ]
[ SQL ] SELECT `id`,`title`,`pic`,`city_id`,`start_date`,`end_date`,`tag` FROM `tb_met` WHERE `id` IN (0) [ RunTime:0.000812s ]
[ SQL ] SELECT * FROM `tb_area` WHERE `id` = 47 LIMIT 1 [ RunTime:0.000714s ]
[ SQL ] SELECT * FROM `tb_area` WHERE `id` = 6 LIMIT 1 [ RunTime:0.000797s ]
[ SQL ] SELECT * FROM `tb_guest` WHERE ( `id` <> 798 AND `id` IN (0,770,771,772,773,774,779,780,781,782,783,784,785,786,787,788,789,790,791,792,793,794,795,796,797,798,799,800,801,802,803,804,805,806,807,808,809,810,811,812,813,814,815,816,817,818) ) AND `status` = 1 ORDER BY rand() LIMIT 0,5 [ RunTime:0.001786s ]
[ SQL ] SHOW COLUMNS FROM `tb_para` [ RunTime:0.001071s ]
[ SQL ] SELECT * FROM `tb_para` WHERE `id` = 1 LIMIT 1 [ RunTime:0.000864s ]
[ SQL ] SHOW COLUMNS FROM `tb_advert` [ RunTime:0.000979s ]
[ SQL ] SELECT * FROM `tb_advert` WHERE `id` = 133 LIMIT 1 [ RunTime:0.000806s ]
[ SQL ] SELECT * FROM `tb_advert` WHERE `id` = 132 LIMIT 1 [ RunTime:0.000732s ]
[ SQL ] SHOW COLUMNS FROM `tb_category` [ RunTime:0.001132s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 5 ORDER BY `sortid` ASC [ RunTime:0.000918s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 36 ORDER BY `sortid` ASC [ RunTime:0.000899s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 37 ORDER BY `sortid` ASC [ RunTime:0.000880s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 38 ORDER BY `sortid` ASC [ RunTime:0.000764s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 39 ORDER BY `sortid` ASC [ RunTime:0.000803s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 40 ORDER BY `sortid` ASC [ RunTime:0.000806s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 41 ORDER BY `sortid` ASC [ RunTime:0.000823s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 5 ORDER BY `sortid` ASC [ RunTime:0.000894s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 5 ORDER BY `sortid` ASC [ RunTime:0.000821s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 5 ORDER BY `sortid` ASC [ RunTime:0.000824s ]
[ SQL ] SELECT * FROM `tb_advert` WHERE `id` = 134 LIMIT 1 [ RunTime:0.000781s ]
[ SQL ] SELECT * FROM `tb_advert` WHERE `id` = 135 LIMIT 1 [ RunTime:0.000704s ]
[ SQL ] SELECT * FROM `tb_advert` WHERE `id` = 136 LIMIT 1 [ RunTime:0.000702s ]
[ SQL ] SELECT * FROM `tb_advert` WHERE `id` = 137 LIMIT 1 [ RunTime:0.000708s ]
[ SQL ] SELECT * FROM `tb_advert` WHERE `id` = 138 LIMIT 1 [ RunTime:0.000777s ]
2641
责任编辑：北方有色网
来源：北京科技大学
我要联系
山西 - 太原 
2024年06月28日 ~ 30日
评论 （0条）