以稀释平板计数法,测定了臭氧对水体和空气环境的消毒杀菌作用。
The sterilization of ozone to water and atmosphere was determined by dilution method of plate counting.
漳州木版年画先在木质平板上镌刻画稿(分色版和墨线版),而后以短版法套印于纸上。
For Zhangzhou New Year wood-block prints, drawings are first engraved on wood-blocks (including coloring block and outline block), then overprinted on the paper using wood-block printing.
以5号菌株为出发菌株,经过紫外线诱变,用刚果红纤维素平板透明圈选育法得到8号菌株。
Strain 5 was continually mutagenized by ultraviolet radiation, strain 8 was selected on the cellulose-congo red medium on the ground that can shape better transparent ring.
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