巴尔通体菌株对冷冻和反复冻融有很强的抵抗力。
Bartonella spp. is highly resistant to freezing and freeze-thaw cycles.
本文研究了普通混凝土在硬化初期受到一次冻结或反复冻融后对质量的影响。
In this article, it has made a research of the quality of an early-stage setting ordinary concrete undergoing a freezing test or repeated freezing and thawing test.
使用不同的方法将过氧化氢酶在体外载入外泌体：室温孵育、皂素透化、反复冻融、超声或者挤压。
Catalase was loaded into exosomes ex vivo using different methods: the incubation at room temperature, permeabilization with saponin, freeze-thaw cycles, sonication, or extrusion.
应用反复冻融法以衣藻原生质体为材料制备衣藻染色质，应用显微操作技术准确将衣藻染色质转移到烟草叶片外植体中，进行连续培养并镜检观察。
Then we exactly transformed the chromatin to the explants of the tobacco leaves by the micromanipulation, and then we cultured the explants, observed by the fluorescent microscope every day.
这种甜的枫树液在春季采集，反复的冻融导致它上升沿着打进树干的导管流出来。
The sweet sap is collected from maple trees in the spring when freezing and thawing cycles cause it to rise and flow from taps hammered into tree trunks.
这种甜的枫树液在春季采集，反复的冻融导致它上升沿着打进树干的导管流出来。
The sweet sap is collected from maple trees in the spring when freezing and thawing cycles cause it to rise and flow from taps hammered into tree trunks.
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