冻结温度

The Boletus aereus freezing pattern was studied through analyzing the freezing curve at different temperature, freezing speed and juice leakage by liquid nitrogen flash freezer .

采用液氮速冻，研究在不同的冻结温度下黑牛肝菌的冻结温度曲线及其冻结速度和汁液流失率之间的关系等。

The frozen soil mechanics behaviour is the essential parameter of frozen soil engineering design, there are very many affects factors on it, for example the loading way, the loading speed, the freezing temperatures, the soil nature, the sample size, maintains time, encircles presses the size, the experimental stress way and so on.

冻土的力学性能是冻土工程设计的关键参数，影响冻土力学性能的因素很多，有试验的加载方式、加载速率、冻结温度、土的性质、样品尺寸、养护时间、围压大小、试验应力路径等。

Owing to being lack of uniform freezing temperature and frost heaving tester at present in China, in the paper, the author has developed the freezing temperature and frost-heaving device which introduces computer to gather data.

由于目前国内缺乏统一的冻结温度及冻胀试验装置，本文自行研制了可实现微机数据采集的冻结温度及冻胀试验装置。

To study the effects of different freezing temperatures on the cells structures and texture of kiwi fruit dices.

为研究不同冻结温度对猕猴桃果丁细胞结构和质构特性的影响，将猕猴桃果丁分别在温度-20，-25，-30℃速冻温度下冻结，研究速冻前后猕猴桃果丁细胞结构、穿刺力、VC和汁液流失率的变化。

This article analyses the application conditions of freezing method, current research status and the problems in this field. It points that it's necessary to study deep freezing temperature field deeply and discusses the factors which influence the freezing wall such as soil's nature, moisture content, geological conditions, etc. It introduces the theory, process of freezing method, the distribution of temperature field of freezing method and key thermotics parameters influencing freezing temperature field. It simplifies the deep freezing temperature field model. Through ANSYS, this article founds the deep freezing temperature field model, and simulates the field on vary heat conductivities. It analyzes the results of ANSYS simulation, gains the theoretical value of thermometric holes which is needed by back-analysis. Using the simulation temperature and actual value, it gets the equivalent heat conductivity. Then it solves the deep freezing temperature field by the equivalent value, simulates the freezing wall development process and temperature change curve. Against the actual project, the results are favorable.

文中分析了冻结法施工的应用条件，目前对冻结法施工的研究现状和在此领域内存在的问题，指出了对深土冻结温度场进行深入研究分析的必要性；对影响冻结壁形成发展的因素如冻土土性、含水量、地质条件及施工方法等因素进行了论述；对冻结法施工的原理、过程，冻结法温度场的分布情况，影响冻结温度场分布的主要热学参数进行了综述；对深土冻土温度场模型进行了合理的简化，通过ANSYS大型有限元分析软件，建立了深土冻结温度场的模型，对不同导热系数情况下的深土冻结温度场进行了模拟；对ANSYS的模拟结果进行了定性的分析，通过对ANSYS结果的后处理取得了反分析时需要用到的测温孔理论温度值；经过对测温孔模拟温度值和实测温度值的分析，得到了冻结温度场的等效导热系数；使用等效导热系数对深土冻结温度场进行了求解，模拟了冻结壁发展情况和温度场中的温度变化曲线，用所得结果对比工程实际情况，取得了较好的效果。

This article analyses the application conditions of freezing method, current research status and the problems in thisiold. It, points that it" s necessary to study deep freezing temperature field deeply and discusses the factors which influence the freezing wall such as soil" s nature, moisture content, geological conditions, etc. It introduces the theory, process of freezing method, the distribution of temperature field of freezing method and key thermotics parameters influencing freezing temperature field, it simplifies the deep freezing temperature field model. Through ANSYS, this article founds the deep freezing temperature field model, and simulates the field on vary heat conductivities. It analyzes the results of ANSYS simulation, gains the theoretical value of thermometric holes which is needed by back analysis. Using the simulation temperature and actual value, it gets the equivalent heat conductivity. Then it solves the deep freezing temperature field by the equivalent value, simulates the freezing wall development process and temperature change curve. Against the actual project, the results are favorable.

文中分析了冻结法施工的应用条件，目前对冻结法施工的研究现状和在此领域内存在的问题，指出了对深土冻结温度场进行深入研究分析的必要性；对影响冻结壁形成发展的因素如冻土土性、含水量、地质条件及施工方法等因素进行了论述；对冻结法施工的原理、过程，冻结法温度场的分布情况，影响冻结温度场分布的主要热学参数进行了综述；对深土冻土温度场模型进行了合理的简化，通过ANSYS大型有限元分析软件，建立了深土冻结温度场的模型，对不同导热系数情况下的深土冻结温度场进行了模拟；对ANSYS的模拟结果进行了定性的分析，通过对ANSYS结果的后处理取得了反分析时需要用到的测温孔理论温度值；经过对测温孔模拟温度值和实测温度值的分析，得到了冻结温度场的等效导热系数；使用等效导热系数对深土冻结温度场进行了求解，模拟了冻结壁发展情况和温度场中的温度变化曲线，用所得结果对比工程实际情况，取得了较好的效果。

The cantharellus cibarius freezing technics was studied through analyzing the freezing curve at different temperature,freezing speed and juice leakage by liquid nitrogen flash freezer .

采用液氮速冻，探讨在不同冻结条件下鸡油菌的冻结温度曲线及冻结温度与解冻后鸡油菌的汁液流失率之间的关系。

It is shown that the strengths for frozen pastes are increased in relation to unfrozen ones. The increment of the strengths is raised with increasing the content of freezable water and decreasing freezing temperature.

为了评价破坏应力的大小，研究了不同水灰比的硬化水泥浆体在不同冻结温度下抗压强度和抗折强度的变化，发现冻结状态下浆体的强度有所增加，并且可冻水量越多，冻结温度越低，强度增长越显著。

Thermal characteristics of salty soil are researched by TG-DSC technique. The results show that soluble salts have great influence on thermal characteristics of salty soil; water content gets higher, phenomena gets acuter. Freezing force depends on water content and freezing temperature; the more water content or the less temperature is, the more intensive of freezing force is.

运用TG-DSC技术对冻区盐渍土热特性进行分析并研究环境变化对冻土强度的影响，结果表明：易溶盐对盐渍土热特性有着重要影响，随含水率增大影响愈剧烈；冻结强度随着含水率的增大而增大，随冻结温度的降低而升高。

The coupling fields are analyzed with FEM method. The laws of frost heave and thawing settlement from this analysis are consistent with that from model simulation, which has proved that the analysis is correct.

建立了人工冻结土体冻结温度场、水分场、应力场及位移场的耦合数学模型，揭示了温度、水分、应力、位移相互作用的基本规律及其对冻胀融沉的影响；利用有限元方法进行了耦合场的分析，获得的冻胀融沉规律和实际结果具有完全相同的规律，证明了分析方法的正确性。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。