Scientists do not know exactly how this process prevents ice crystal formation.
科学家们还不清楚这个过程是如何阻止冰晶形成的。
A third process by which salinity may be altered is associated with the formation and melting of sea ice.
第三个可以变更盐度的过程与海洋中冰的形成和融化有关。
The main process of ice formation is the metamorphism from melting-refreezing of the seasonally accumulated snow, therefore there exists a broad belt of superimposed ice.
冰川积累区的成冰，主要是当年积雪以融化-再冻结为主要变质成冰作用，平衡线以上附加冰带宽阔；
At the moment, we also have a project funded by the European Research Council aimed at understanding ice formation at the molecular scale, and the role that impurities play in this process.
目前，我们有个欧洲研究委员会资助的项目，这个项目的主要目的是研究冰在分子尺度的形成及其杂质在这个过程中的作用。
During the process of cooling and thawing, embryos are subjected to a series of cryoinjuries such as cold shock, ice formation, cryoprotectant toxicity and osmotic effect.
超低温保存过程中所造成的冷冻损伤是制约鱼类胚胎超低温保存成功与否的关键，具体表现为渗透压影响、抗冻剂毒性、冰晶损伤等。
During the process of cooling and thawing, embryos are subjected to a series of cryoinjuries such as cold shock, ice formation, cryoprotectant toxicity and osmotic effect.
超低温保存过程中所造成的冷冻损伤是制约鱼类胚胎超低温保存成功与否的关键，具体表现为渗透压影响、抗冻剂毒性、冰晶损伤等。
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