研究了竹材热压干燥过程中的水分迁移特性。
The characteristic of water movement during the process of hot-press drying of bamboo timber was studied.
因热扩散、含水率梯度引起的水分迁移可以忽略不计。
Moisture transfer caused by heat diffusion and a moisture content gradient could be neglected.
这种冻融失稳与冻融过程中的水分迁移有密切的关系。
Theseshallow slide are closely related to the water migration in soil during the freeze-thaw process.
应用有限元法对路基内的水分迁移规律进行数值模拟。
The rule of the water migrating in subgrade is studied with finite element method, its numerical modelling results are given.
对土壤中热和水分迁移过程进行了数值模拟及实验验证。
Coupled heat and water transfer in unsaturated soil was studied both theoretically and experimentally.
非饱和土中水分迁移通常有液态水和气态水迁移两种形式。
Usually there is two forms of water transfer which is water vapor transfer and liquid water transfer in unsaturated soil.
分析路基冻害产生的原因，阐述路基冻结过程中水分迁移的特征。
Analyse the causes of the roadbed freeze-harm, and expatiate on the characteristic of the moisture transfer during freezing.
对计算结果分析表明，水分迁移和相变对土壤的传热有一定影响。
The results show that the moisture transfer and the phase change have definite effects on heat transfer of the soils, which should be considered in calculation.
在季节冻土区，路基水分迁移变化是道路冻害最积极活跃的因素。
Water migration and variation in subgrade soils is the most active and live factor to the road frost damage in seasonally frozen ground regions.
冷冻预油炸春卷经微波加热后，由于内部水分迁移，产品脆性下降。
Water transferring in springrolls on microwave reheating is a main factor that affects the crispness of frozen pre- fried springrolls.
实验上，对大气对流环境条件下土壤内热、水分迁移过程进行了研究。
Experimental investigation of heat and water transfer of sandy soil with air convection was done.
通过扫描图像可以看出，土颗粒的重新排列直接反映了水分迁移的状态。
From scanning pattern, we can draw that the fresh arrange of soil grain directly reflects the state of moisture transfer.
本试验用环境扫描电镜观察了刨花内部的水分迁移过程，分析了刨花湿迁移特性。
The water transfer process inside wood particles was observed with the help of environment scanning microscope, and the wet transfer characteristics of wood particles are analyzed.
在季节性冻土分布区，土壤水分的冻结和融化必将会伴随着热量交换、水分迁移等物理过程。
Freezing and thawing of soil moisture is accompanied with a series of physical processes in seasonal freezing-thawing areas, such as moisture transfer and heat exchange.
综合论述了混凝土在不同环境条件下水分迁移机理与理论模型，以及国外在该领域的最新研究进展。
This paper deals with comprehensively moisture transfer mechanism, theoretical model in concrete in different ambient conditions and the latest research progress.
水合物分解过程表现出的水分迁移规律与水合物常规分解事实相悖，其具体原因仍需做进一步研究。
During hydrate dissociation processes, the water transfer rules were abnormal and inconsistent with the conventional methane dissociation facts, which needed more studies to find out the real reasons.
在次级冻胀现象中，对处于已冻土和未冻土之间的冻结缘地带，研究其中的水分迁移是一个重要的课题。
As to the phenomenon of secondary frost heave, the behavior of water flux in frozen fringe is one of the major subjects to study.
土中水分迁移的动力势问题是探讨水分迁移成冰机理以及研究冻胀、冻土内应力等冻土工程问题的关键所在。
The driving force of moisture migration in soil is the key of discussing the mechanism of freezing ice and frost heave and the stress of freezing soil.
利用土壤水分迁移方程和热传导方程，采用中心差分格式并在一定假设前提下建立起冻土水热耦合迁移数学模型。
Based on the basic equations of simultaneous soil water and heat transfer during soil freezing, the coupled equation of moisture and heat is deduced.
研究结果表明：时间和温度决定了水分迁移的充分性，温度的变化随深度的增加而具有衰减性，并且在冻结峰面附近形成一个冻结含水量峰值；
The results indicate that a peak of frozen moisture content is formed in frozen peak surface, which is developed for depth change with time increased.
在微波真空干燥过程中，就整个板材而言，热扩散效应对木材中水分迁移的影响不大，但在局部的有限范围内，它对自动平衡木材内含水率具有显著的作用。
During the drying process of MV, for the whole board, the effect of thermal diffusion on moisture movement is not significant, but it can cause a leveling of moisture profile in a local range of wood.
假定无限介质内热源的存在引起周围多孔介质内温度的瞬态变化和水分的迁移和扩散。
A transient state distribution of temperature within the infinite medium is assumed to induce the moisture transfer process.
田间土壤水分、盐分和温度变化使水、盐、热耦合迁移的过程极其复杂。
The variation of soil water, salinity and temperature in the field makes the coupled transport processes of them very complicated.
土壤水和溶质迁移的数学模型，可分别由水分运动、溶质运移两个方程耦合组成。
The mathematical model of solute and water transport is composed of two coupled equations of water movement and solute transfer.
它具有很强的吸附能凝聚水分，使包气带水和潜水从液态、汽态向冻结层迁移富集，形成季节性固态地下水。
The high absorption energy makes ground water in air containing zone move towards the freezing layer and produce seasonal frozen perched ground water.
为土壤水分适时调控、节水定量灌溉及分析养分迁移提供依据。
The results provide theoretical basis for water-saving irrigation, soil moisture real-time control and nutrient transport analysis.
而水分是影响其贮存的一个重要因素，NG迁移则和包覆层与推进剂的粘结具有密切关系。
Moisture is an important factor influencing storage and ng's migration is related to the adhesion between coating and propellant.
滴灌施肥作为一种先进的水分调控技术，近年来国外已开始广泛采用，但对滴灌施肥条件下肥料养分在土壤中迁移转化规律的了解尚十分有限。
Fertigation by drip irrigation as an advanced technology to control the supply of water and nutrients has been applied by other countries in recent years.
试验结果表明：边界补排条件控制了土壤水分的迁移转化；
The testing results shows the following:(1) supply and drainage conditions on the boundary control water move and translation in the soil.
土的冻结，引起水分向冻结区迁移，由此引发的问题在农业、水资源、环境及人类工程的研究中占有相当重要的地位。
Freezing in soil makes water transfer to frozen area, and it plays a very important role in the research of agriculture, water resources, environment and engineering.
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