freezing and thawing

Wet abrasion test under the conditon of freezing and thawing cycle shows that slurry seal can keep good durability in drastic temperature change.

冻融循环的湿轮磨耗试验表明了稀浆封层能在剧烈的温度条件的变化中保持良好的耐久性。

A variety of physical and mechanical properties of gravelly soil in the high altitude, high stress and seasonal freezing and thawing with ordinary gravel soil showed a greater difference.

这类在高海拔、高地应力和季节性冻融作用下所形成的碎石土的各种物理力学性质与普通碎石土表现出较大差异。

Study on Soil Water Movement With Changeable Groundwater Level During Soil Freezing and Thawing.

冻融期地下水位变化情况下土壤水分运动的初步研究.

Experimental Study on Main Factors Influencing Water Infiltration Features of Freezing and Thawing Soils.

影响冻融土壤水分入渗特性主要因素的试验研究.

Study on the Effect of Freezing and Thawing Action to Soil Physical and Chemical Characteristics.

冻融作用与土壤理化效应的关系研究.

On the same adding level, the fixation amount and fixation rate show an increasing tendency with the increase in freezing and thawing tensity.

在同一施钾水平上，随冻融强度的加大，速效钾固定量和固定率呈现出上升的趋势。

With the application of continuum theory of mixture, a mathematical model for the coupled seepage, stress and temperature for freezing and thawing of water saturated porous media has been established.

应用混合物的连续介质理论，建立了冻融过程中饱和多孔介质的渗流场、应力场和温度场耦合作用的数学模型。

The damage propagation of rock under the freezing and thawing condition is a new direction of rock damage mechanics.

岩石冻融过程的细观损伤研究是近年来冻融损伤研究的一个新方向。

The periglacial Aeolian landform and deposition is the desert physiognomy formed by the blown sand under cold and arid environment, always accompanied with the impact of glaciers and freezing and thawing.

冰缘风沙地貌与沉积是在冰缘寒冷干旱气候环境中，伴有冰川或冻融作用影响，主要由风沙作用形成的荒漠地貌。

The preliminary study of delayed rehydration of normal human fibroblast after freezing and thawing

低温处理成纤维细胞复苏过程延迟再水化的初步研究

Environmental effects of carbonation, chloride ion penetration, mainly concrete sidewall surface damage within the matrix gradually freezing and thawing, steel corrosion and alkali-aggregate reaction damage factor, is a direct result of the micro-structural damage within the concrete shaft lining.

碳化、氯离子侵蚀等环境作用下，主要是混凝土井壁表层向基体内部逐渐造成损伤，而冻融、钢筋锈蚀和碱&集料反应等损伤因素，是直接造成混凝土井壁内部微结构的破坏。

Adding polyacrylic fibre to concrete of face-plate for rockfill dam will prevent from or reduce cracking of concrete, raise deformability of concrete and improve its impermeability, toughness and resistance to freezing and thawing.

聚丙烯纤维的加入能防止和减少混凝土开裂，提高混凝土的变形性能并使防渗、抗冻融性和韧度指标显著提高，因而适用于堆石坝的面板混凝土。

Coupled model of moisture and heat reaction during soil freezing and thawing under environmental climate condition

环境气候条件下土壤冻融过程中湿热耦合作用模型研究

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.

Analysis on the characteristics of soil moisture transfer during freezing and thawing period.

冻结期和冻融期土壤水分运移特征分析.

The freezing and thawing resisting durability index, permeability resistance index, and control value for permeability coefficient is given.

给出了混凝土的抗冻融耐久性指标、抗渗能力指标、Cl-渗透系数控制值等。

The content of nitrate nitrogen demonstrates a significantly decreasing tendency with the increase in freezing and thawing tensity and frequency.

随着冻融强度的加大和冻融频次的增加，土壤中的硝态氮的含量呈现出显著下降的趋势。

Freezing and thawing of water will lead to uneven frost, thawing and pumping of the subgrade.

水分的冻结与融化会引发路基的不均匀冻胀、融沉和翻浆。

The sound velocity of the concrete with waste slag was tested before and after freezing and thawing in water, 3.5% NaCl and 3.5% NaCl+ 5.0 Na_2SO_4 solutions.

用超声波法检测了掺废渣混凝土在水溶液、3.5%氯化钠溶液以及3.5%氯化钠与50%硫酸钠复合溶液中冻融前后的声速变化。

Salt Expansion Accumulation of Sulphate Salty Soil under Freezing and Thawing Cycles

硫酸盐渍土在多次冻融循环时的盐胀累加规律

The size of liposomes prepared by freezing and thawing was measured using laser scattering ( LS ) .

采用激光散射 法测量 了以冻融法制得的脂质体的粒度.

Effects of Wetting Rate and Aggregate Size on Erosion Processes at Hillslope in Three Red Soils; Coupled model of moisture and heat reaction during soil freezing and thawing under environmental climate condition

湿润速率和表土团聚体粒径对红壤坡面侵蚀过程的影响环境气候条件下土壤冻融过程中湿热耦合作用模型研究

Effect of Electrostatic Field on Process of Freezing and Thawing of Distilled Water and Tofu

电场对蒸馏水、豆腐冻结与解冻过程的影响

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.

Research on Mechanism of Soil Moisture Migration under Freezing and Thawing Condition

冻融条件下封闭体系中土壤水分运移规律模拟研究

The traditional repeated freezing and thawing method group material is in plain colors, wall slightly collapse, smooth surface and in the lumen.

传统反复冻融法组材料颜色浅白，管壁稍有塌陷，管腔内表面光滑。

In many cases, concrete structures are exposed to some mechanical and environmental loadings, such as the compression and tension strain, drying shrinkage, freezing and thawing, and so on.

在实际工程中的混凝土结构经常遭受荷载和环境等因素的作用，如拉、压加载，环境作用产生的干缩、冻融循环等。

The change of thermal thawing sensibility corresponds to the changes of seasonally freezing and thawing process.

冻土热融蚀敏感性变化也与冻融过程的变化相一致。

Its remarkably stable with freezing and thawing, he said.

他说,相对于冻结和融化来说, 它非常稳定.

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.