Severity: Warning
Message: file_get_contents(https://ipinfo.io/3.133.131.159/geo): failed to open stream: HTTP request failed! HTTP/1.0 429 Too Many Requests
Filename: controllers/Portal.php
Line Number: 547
Severity: Warning
Message: file(./assets/file/counter.txt): failed to open stream: No such file or directory
Filename: controllers/Portal.php
Line Number: 550
Severity: Warning
Message: fopen(./assets/file/counter.txt): failed to open stream: No such file or directory
Filename: controllers/Portal.php
Line Number: 552
Severity: Warning
Message: fputs() expects parameter 1 to be resource, bool given
Filename: controllers/Portal.php
Line Number: 553
Severity: Warning
Message: fclose() expects parameter 1 to be resource, bool given
Filename: controllers/Portal.php
Line Number: 554
16 Agustus 2021
Tujuan penelitian ini adalah untuk mengidentifikasi konsentrasi nitrogen nitrat dan intensitas cahaya yang optimal pada kultur chaetoceros sp. skala laboratorium