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星辰雨

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[交流] 【求助】什么是收缩未反应芯模型

什么是收缩未反应芯模型,怎样建模?谢谢大家
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ZANCAI

新虫 (著名写手)

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星辰雨(金币+20,VIP+0):~~唉,金币真少都给你吧,呵呵 9-28 11:39
2楼2009-09-21 14:52:59
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ZANCAI

新虫 (著名写手)

1.It does the compared experiment of concrete using polycarboxylate water reducing agent,ettringite,magnesio expansion agent,and researches the affection progress of admixture types to the shrink of concrete,to accelerate the research of the shrink function of concrete and supply reference to the selection of self water proof concrete material of Jiuhua mountain tunnel.
对混凝土用聚羧酸类减水剂、钙矾石类、镁质类膨胀剂作对比试验,研究了外加剂类型对混凝土收缩的影响程度,以促进对混凝土收缩性能的研究,为九华山隧道自防水混凝土材料选择提供依据。
2.In order to reveal its peculiar physical characteristics, the water invade test and the soil body shrink test on the red clay are respectively carried out in aboriginal and air-dried state.
该土与石灰岩及粘土在化学成分上进行了对比,分析了某些元素流失与聚集的原因,并对其特有的物理特征进行了原始状态、风干状态的水浸试验与土体的收缩试验。
3.The shrinking deformation is the key factor which causes forming non -loading cracking of concrete structure.
收缩变形是导致混凝土结构非荷载裂缝产生的关键因素,泵送施工、高强混凝土、高效减水剂和超细掺合料的应用,使得混凝土的裂缝问题越来越严重。3)  Contraction
收缩
1.With the finite element method,the main factors that affecting the cooling contraction of the bent steel plate of medium thickness are simulated.
运用有限元工具,对影响中厚钢板热弯曲成形中冷却收缩的主要因素进行了有限元数值模拟。
2.The contraction and expansion pattern of ductile iron was established which was used to analyze the formation mechanism of small ductile iron castings.
根据国内外有关研究结果,阐述了球墨铸铁件冷却凝固过程中的体积变化规律,建立了球墨铸铁的收缩和膨胀模型,用以分析球墨铸铁小件的缩孔缩松形成机理。
3.The characteristics of dilatation and contraction of the cold-pressed briquette made of Hebi coal during carbonization was studied with a shrinkage indicator in this paper.
用型块收缩仪研究了由鹤壁煤制取的冷压型煤在炭化过程中的膨胀与收缩特性。4)  shrinkage
收缩
1.The shrinkage and creep of LWAC were measured with average 28-day compressive strength ranging from 48.
对大跨桥梁等结构中强度等级为48.7-72.2MPa的高强轻骨料混凝土的收缩和徐变进行应力试验。
2.Orthogonal testes have studied the effects of drying parameters on shrinkage and the mutual influences between them.
研究胡萝卜片微波真空干燥过程中物料的收缩变形,利用正交试验,得出各因素对胡萝卜片干燥变形的影响程度大小及因素之间的相互影响关系,通过数学回归,得到胡萝卜片微波真空干燥过程收缩变形的数学模型方程,并对方程的显著性检验以及参数进行了综合优化,提出了胡萝卜收缩变形较小的微波真空干燥工艺参数的最佳组合。
3.The density characteristics and shrinkage characteristics of PVC injection mouldings were analyzed.
分析了PVC注塑件的密度特征和收缩特征,结果表明VC注塑件的密度及其分布与PVC注塑件的收缩相互影响。5)  Postsystolic shortening
收缩后收缩
3楼2009-09-21 14:53:36
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