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.
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。
Freezing and thawing test shows that the figuration and cross-section of cement-based materials (paste, mortar and concrete) are different after they damage because of their different pore structures.
冻融循环试验表明，由于净浆、砂浆和混凝土这三种水泥基材料孔结构的不同，使得其破坏时的外观和断面形状各不相同。
Different ways of thawing affect bacteria quantities in food and can affect food bacteria index test results directly.
解冻方式对食品中细菌数量的影响直接关系到食品中细菌指标的检测结果。
Two test methods were employed: one is loading the samples before thawing, and the other is loading the samples after completely thawed.
依据使用特点，试验采用两种方法：一是先融化后压缩，二是融化与压缩同时进行。
Based on initial study on ice thawing process, treated by the same test HPEF equipment, the experimental role of thawing process on two kinds of frozen food (bean curd and minced meat) were discussed.
利用冰解冻的高压脉冲电场的试验基础，进一步以试验方式研究了在一定电场和脉冲频率下对冻豆腐和肉丁两种食品的解冻过程。
Based on soil field infiltration test, the effects of corn straw mulch on freezing-thawing soil infiltration capacity are discussed.
基于大田土壤入渗试验，讨论了玉米秸秆覆盖对土壤冻融特点及入渗能力的影响。
This paper expounds origin and mechanism of concrete of freezing and thawing destroy. The test result validates that silicon powder have great impact on concrete frost resistance.
阐述了混凝土冻融破坏的原因、机理，并通过实验验证了硅粉对混凝土抗冻性能的影响。
The results show that the model of damage evolution is suitable for that four types of concrete of our test conditions, and it can characterize their freezing-thawing damage evolution process better.
试验结果表明，本文所选择的混凝土损伤演变模型可以较好的表征该条件下上述四种混凝土的冻融损伤演变过程。
The experimental study of plain concrete test cubes and a few prismoids, both of what classified to four ranks, suffering 0, 25, 50, 75,100 and 125 cycles of freezing and thawing were carried out.
对经过0、25、50、75、100、125次冻融循环的四个不同等级的普通混凝土立方体试块和少部分棱柱体试块进行了试验研究。
The test results indicated that the durability of freezing-thawing resistance of concrete will be improved remarkably by adding layer hybr…
结果表明，层布式混杂纤维的掺入，显著提高了混凝土的抗冻融耐久性能。
The test results indicated that the durability of freezing-thawing resistance of concrete will be improved remarkably by adding layer hybr…
结果表明，层布式混杂纤维的掺入，显著提高了混凝土的抗冻融耐久性能。
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