The sample was taken out from the refrigerator at -80 ℃, weighed about 0.2 grams of tissue sample into a liquid nitrogen pre-cooled mortar, and added liquid nitrogen to fully grind to powder.
The sample was taken from the refrigerator at -80 degrees C, and the tissue sample was taken about 0.2 grams to the liquid nitrogen pre-cooled in the research, with liquid nitrogen fully ground to the powder.
The sample is taken out of the refrigerator at - 80 ℃, weighed Zero point two G or so tissue samples to liquid nitrogen precooled mortar, add liquid nitrogen to fully grind to powder.<br>