어과수
2022-09-16 18:00
4차 산업혁명 시대,
반도체와 더불어 중요한 부품으로 떠오르는 이차전지!
일명 배터리라고도 하는 이차전지는 우리의 스마트폰 속에도 들어있죠.
이차전지의 원리와 그 내부에 대해서 알아보아요~.
Severity: Notice
Message: Undefined variable: total
Filename: templates/commentlist.php
Line Number: 8
Backtrace:
File: /var/www/html_dev/mkids_dongascience_com/application/views/templates/commentlist.php Line: 8 Function: _error_handler
File: /var/www/html_dev/mkids_dongascience_com/application/views/kids_tv/viewContents.php Line: 82 Function: view
File: /var/www/html_dev/mkids_dongascience_com/application/controllers/Kids_tv.php Line: 128 Function: view
File: /var/www/html_dev/mkids_dongascience_com/www/index.php Line: 301 Function: require_once
A PHP Error was encountered
Severity: Notice
Message: Undefined variable: total
Filename: templates/commentlist.php
Line Number: 8
Backtrace:
File: /var/www/html_dev/mkids_dongascience_com/application/views/templates/commentlist.php
Line: 8
Function: _error_handler
File: /var/www/html_dev/mkids_dongascience_com/application/views/kids_tv/viewContents.php
Line: 82
Function: view
File: /var/www/html_dev/mkids_dongascience_com/application/controllers/Kids_tv.php
Line: 128
Function: view
File: /var/www/html_dev/mkids_dongascience_com/www/index.php
Line: 301
Function: require_once