指出了在严格的冰力学实验中直接测量试样表面变形并在试验机上对加载进行闭环反馈控制的必要性。
And the paper recommends the necessity of measuring sample deformation directly under feedback control system in the critical ice mechanical properties tests.
对冰点以下的增长动力学,讨论了冰熔融模型、冰核收缩反应模型和水合物原位偏离模型。
As for hydrate growth kinetics below ice point, the melting model of ice, shrinking ice-core model and delocalization model were discussed.
合理地选取结构物工作海域的环境条件和冰的物理力学特性,直接关系到结构物的设计、使用和安全。
The reasonable selection of environmental condition and ice physical mechanical properties in the region are direct relating to the structure design, operation and safety.
在一个小型工业化水合物生成装置上,对由冰和天然气反应生成天然气水合物的过程及动力学进行了研究。
The reaction process and the reaction kinetics of forming a hydrate from natural gas and ice are studied on a small sized industrial unit.
并把此条件下得到的力学特性参数用于冰温度膨胀应力的计算。
Also the ice mechanics parameters obtained under such conditions are employed to calculate ice thermal expansion stress.
本文用力学观点阐明多层重叠冰的形成机制,介绍了弹性板壳压曲破坏模型。
In this paper, the forming mechanism of the multilayer rafted ice is described from mechanics view, and the buckling failure of a plate on an elastic foundation is introduced.
准确地评判物质平衡变化趋势则需将物质平衡与冰体动力学结合起来,并建立冰-海-气耦合模型。
It is necessary to combine the mass balance with the ice sheet dynamics and to develop the couple model of ice-ocean-atmosphere for accurate estimate of the mass balance state and its variability.
本文研究了低硫高冰镍常压选择性浸出的动力学过程。
In present work, a kinetic study on selective leaching of low-sulfur Ni-Cu matte at atmospheric pressure was conducted.
在对冰转化为水合物控制步骤分析的基础上,引入符号函数并提出一个改进的未反应核收缩模型来描述冰转化为水合物的动力学。
On the basis of analyzing the control step for ice conversing to hydrate and introducing the sign function, the unreacted core shrinking model for hydrate formation was proposed.
鉴于目前固体破坏力学不能准确描述冰的挤压破碎过程,理论和数值方法的应用非常困难。
Since modern damage mechanics is not able to describe the crushing process of ice sheet accurately, it is fairly difficult to study crushing ice force using theoretical or numerical methods.
本文首先概要介绍了冰的物理力学特性,探讨了单桩及多桩冰荷载的几种研究方法及其现状。
The mechanic characters of ice were first introduced, several analysis methods of ice load on single pipe and multi-pipes were then discussed.
本文分析讨论了在设计寒冷海域结构物时,考虑冰载荷的影响、海冰物理力学特性对冰载荷的影响以及计算冰载荷的公式选用和有关参数的选取。
In this paper, the sea ice force acting on the structure, the ice physical mechanical properties and the parameters selecting in calculation equation proposed by API (RP2N) and others are discussed.
由试验结果获得的模型冰物理和力学指标等值图,可作为选择模型冰指标的基础。
The isograms of the parameters help to find out the cement content and curing duration for the suitable synthetic ice according the requirement of the model test.
由试验结果获得的模型冰物理和力学指标等值图,可作为选择模型冰指标的基础。
The isograms of the parameters help to find out the cement content and curing duration for the suitable synthetic ice according the requirement of the model test.
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