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- The polygonal cracking is believed to have resulted from seasonal freezing and thawing of surface ice. 这种多边状裂痕被认为是表面冰季节性的冻结和融解导致的。
- The Uses of Pressure in Freezing and Thawing. 应用压力冷冻与解冻。
- seasonal freezing and thawing 季节性冻融
- A new Way of food freezing and thawing was set up by high pressure technique. 高压技术为食品冻结和解冻开辟了新的途径。
- Hazard and Prevention of Freezing and Thawing to Hydraulic Structure Engineering in the Seasonally Frozen Soil Region 季节性冻土区冻融对水工建筑物的危害及防治
- Test for thermal and weathering properties of aggregates - Part 1: determination of resistance to freezing and thawing. 集料的热性能和气候老化性能试验。第1部分:耐冻性和耐解冻性测定。
- The products belong to microbial agents, to room temperature preservation, no repeated freezing and thawing. 本产品属于微生物制剂,需常温保存,严禁反复冻融。
- The result shows that the strength of rock evidently reduces with the increase of number of freezing and thawing cycle. 此外也分析了岩石边坡侵蚀过程的机理及影响因素,随着冻融次数的增加,岩石的抗压强度显著降低。
- Freezing and thawing actions greatly change the mechanical properties of soil by influencing its microstructure. 冻融作用对土的力学性质改变很大,而这又是源于冻融作用对微结构的影响;
- It is concluded that the freezing and thawing process and the thickness of active layers change with the changes of ground characteristics, affecting the permafrost further. 结果表明,由于工程活动改变了场地下垫面性质,造成了不同场地活动层冻融过程、活动层厚度等的差异,进而影响了多年冻土变化。
- Trucks bump along its cracked and undulating surface, which is being ravaged by the freezing and thawing of the tundra beneath. 公路之下的冻土凝结又解冻,公路因此受到破坏,表面皲裂,起起伏伏,卡车沿路颠簸前行。
- Methods:The tests about the three key techniques:cryoprotective medium,freezing and thawing methods of Capella?s method were comparatively studied. 方法 :对经典的 Capella四步冻贮法的冷冻保护液、降温冷冻速率和复温方法 3项关键技术做了全面简化和改进。
- The effect of High Electrostatic Voltage Field on the freezing and thawing process of the fish is studied in this paper. 本文以青鱼为研究对象,实验研究了其在高压静电场中冻结、解冻的过程。
- The success of subfreezing temperatures producing cell death rather than cell preservation depends somewhat on rates of freezing and thawing. 而用低温杀灭细胞和用低温保存细胞的成功与降温和升温的速率有关。
- Through the analysis of the damage mechanism of concrete freezing and thawing, the article puts forward some measures to improve the durability of hydraulic structures. 摘要文章分析了混凝土冻融破坏的机理、碱-集料的反应及影响因素,提出了提高水工建筑物耐久性的措施。
- This article mainly reviewed researches on heat-transfer modeling during ultrahigh pressure processing, freezing and thawing process under ultrahigh pressure and low temperature. 本文综述了食品在超高压处理过程中的传热模型和相转变的研究进展,对超高压低温条件下的冻结和解冻过程也进行了讨论。
- The freezing and thawing resistance of concrete mixture was investigated with the addition of such highly active RHA at ratios of water to binder in mass of 0. 65的掺高活性稻壳灰混凝土的抗冻融特性,分析了气泡及空气量对高活性稻壳灰混凝土的抗冻融特性的影响。
- And these studies may give some help to the engineering calculations and computer simulation in the course of freezing and thawing of Muraenesox cinereus. 这一结果可为研究鳗冻结、解冻过程的工程计算提供准确的热物理性质参数, 并可为今后研究冷冻或解冻过程的计算机模拟提供基础。
- In addition,air void parameters for BNS concrete and PCE concrete and combinations of PCE with AVCs were tested to verify which one takes advantages to resist to cyclic freezing and thawing. 另外,对混凝土分别单掺萘系减水剂(BNS)和聚羧酸系减水剂(PCE),以及混掺AV C与PCE后的孔隙系统质量的优劣情况,本文也作了比较。
- Forst Heaving and Thawing Settlement of Subgrade in Seasonal Frozen Soil Zone 季节性冻土地区路基的冻胀与融沉