Experimental research on mechanical performance of steel fiber reinforced concrete under the carbonization;
碳化作用下钢纤维混凝土力学性能的试验研究
Application of gradation-carbonization process in Production of Coarse-grained Tungsten Carbide;
钨粉分级在粗晶碳化钨粉生产中的应用
Fundamental and application of cellular automata on concrete carbonization;
细胞自动机原理及其在混凝土碳化模拟中的应用
Molybdenum carbide catalysts were prepared through temperature-programmed carburization of molybdenum trioxide with CH4/H2 gas mixture and characterized by XRD,BET,SEM,and XPS.
MoO3在CH4/H2气氛中程序升温还原碳化反应制备了Mo2C催化剂,用XRD、BET、SEM、XPS进行了表征。
The causes and mechanism of both carburization and dusting, and carburization kinetics were discussed by means of Grabke Model.
采用扫描电镜、X射线衍射、差示热分析(DTA)等方法对Ni Cr/BN混合粉末在1250℃烧结时发生的碳化和粉化行为进行了分析,借用Grabke的模型探讨了这种现象产生的原因和机理,并进行了碳化动力学的讨论,提出了预防产生这种现象的措施。
Synthesis of ultrafine WC-Co powders was investigated using WO_3, Co_3O_4 and graphite powders as starting materials by high energy ball milling followed by reduction and carburization.
研究了WO3、Co3O4和石墨混合粉末经高能球磨活化后再分步进行还原和碳化反应制备超细WC Co粉末的过程。
1D and 2D carbonation of fly ash concrete under flexural stress;
弯拉应力作用下粉煤灰混凝土的1D和2D碳化
Influence of freeze-thaw action on carbonation of concrete materials;
冻融前后混凝土碳化性能试验研究
Energy-saving ways for the production of lightweight magnesium oxide by carbonation of dolomite;
白云石碳化法生产轻质氧化镁的节能途径
Calcium carbons particles with different shapes including plate, sphere, needle, cube, chain and fiber were synthesized by using the method of carbonation affected the shapes and size of calcium carbonate particles.
利用氢氧化钙悬浮液碳化方法，通过加入不同形状的控制剂，合成了权状、球状、针状、立方体、链状和纤维状等形状的碳酸钙，研究了碳化过程中晶形控制剂种类、加入 时间和氢氧化钙悬浮液浓度等因素对碳酸钙晶体形状和大小的影响及碳酸钙合成机理。
Method for realkalisation of carbonated concrete is based on the electrochemical processes.
碳化混凝土的复碱化是用碳酸钙缓冲溶液浸渍混凝土的电化学过程,目的是使混凝土孔溶液的pH值稳定在10以上,从而防止混凝土的进一步碳化。
The paper also indicates that influence of vertical crack on reinforcement rustiness is smaller than lengthwise crack, concrete basicity, concrete carbonate and so on.
钢筋锈蚀是导致钢筋混凝土结构耐久性等级下降的主要原因之一，本文根据工程调查，分析了混凝土状况对钢筋锈蚀程度的影响，认为垂直裂缝对钢筋锈蚀的影响程度远小于纵向裂缝、混凝土碱度、碳化等其它因素。