The research results show that the iron oxide has apparent catalytic action in coke solution loss reaction,it make the coke reactivity index rise and the coke solution loss starting temperature decrease,meanwhile the change of coke sample porosity rate and the distribution and existence state of iron metal and its oxide were analyzed after the coke is loaded with iron oxide.
研究结果表明,铁氧化物对焦炭溶损反应具有明显的催化作用,铁氧化物会使焦炭反应性指数升高,溶损反应开始温度降低,同时分析了焦炭中负载铁氧化物后气孔率的变化、金属铁及其氧化物的分布规律及赋存状态。
Some illustrative examples of anisotropic multi-material wedges are given in which the stress singularities and the angular variations of singular displacement and stress fields surrounding the tips of wedges and junctions are solved.
运用该方法给出了求解正交各向异性复合材料尖劈端部附近奇性应力指数、奇性位移和应力角分布函数的算例。
s: In this paper a new non-confirming finite element eigenanalysis method based on displacement is developed to solve the stress singularities surrounding a wedge tip.
提出了一个新的、基于位移的、求解三维尖劈端部奇性应力指数问题的非协调元特征分析法。
In this paper a finite element eigen-analysis method is applied to solve the stress singularities,also is used to calculat the angular dependences of the stress and displacement fields near crack tip of anisotropic material under in-plane loading.
利用有限元特征分析法研究了平面各向异性材料裂纹端部的奇性应力指数以及应力场和位移场的角分布函数,以此构造了一个新的裂纹尖端单元。
