You don't have permission to access the page you requested.
5The same properties also contributed to Nazi Germany’s strategy against agar’s scarcity, which — besides being supplied from Japan by submarine — relied on large pre-war stocks and on recovery methods to reuse bacteriological agar by autoclaving (boiling at around 121°C, 250°F, in a pressurized container for 30 to 60 minutes), thus liquefying and sterilizing the jelly, before purifying it again.
。关于这个话题，WPS下载最新地址提供了深入分析
You will get access to training tutorials and Courses in a Gold membership.
Последние новости