分析混凝土碳化机理和影响因素,总结混凝土碳化深度的多种预测模型,并根据工程实例对碳化模型进行比对和分析。
The mechanism and influencing factors of concrete carbonation are analyzed, and various predictive models of concrete carbonation depth are discussed.
对石灰颗粒,单个煤球的碳化过程,以新观点解释了煤球碳化机理,研究了成型压力与煤球质量、碳化速率及预干燥的关系。
Based on the carbonization process of lime particles and individual piece of briquet, the carbonization mechanism of briquet is to be explained by new viewpoint.
文中还讨论了提高碳化钛骨架筋的致密度的机理。
The mechanism of increase in density of the sinew of was discussed.
本文研究了挤嵌碳化硅工艺过程和机理,并提出了一个理论挤嵌模型。
This paper makes a study of the process and mechanism of the technology and brings forward a theoretical impregnation model.
研究了真空熔铸法制备的锰白铜基铸造碳化铬复合材料的二体磨料磨损机理。
The abrasion wear mechanism of Mn copper-nickel alloy matrix-cast chromium carbide composite was studied.
通过对水泥主要矿物及水泥熟料碳化养护,研究其碳酸化过程中的矿物变化及碳化效果和机理。
Though carbonated curing main cement minerals and clinker, the change of minerals after carbonation, the effect and mechanism of carbonation was studied.
本文对同质外延碳化硅单晶材料的生长机理和外延生长层的表征方法进行了研究。
This thesis focuses on growth mechanism of SiC homogeneity epitaxy and electrical characterization methods of epilayer.
高钒高速钢干滑动磨损机理为显微切削和疲劳磨损的复合,并且有应力作用下碳化物的碎裂及脱落。
The wear mechanism of high vanadium high-speed steel is combined micro-cutting and fatigue wear with carbide particle breaking and peeling off under stress.
对共晶碳化物团球化机理进行了深入分析,并讨论了共晶碳化物团球化对力学性能和耐磨性能的影响。
Moreover, the mechanism of carbide spheroidizing was analyzed, the influences of carbide spheroidizing on the impact toughness and wear resistance of TAWCI were also studied.
重点阐述了骨架材料、碳化物形成元素、稀土、非金属元素等在金属结合剂的作用及其影响机理。
The effect and working mechanism of skeleton material, carbide-forming elements, rare-earth and non-metallic elements in the bond are discussed.
分析和探讨了各相介质对碳化硅材料的腐蚀机理以及腐蚀产物的相组成。
The corrosive mechanism of different medium on silicon carbide materials and the phases constitute of corrosively formed materials were analyzed.
讨论了碳化硅纳米纤维的气-固生长机理。
Vapor-solid growth mechanism of the SiC nanofibers was discussed.
流变性能的影响,并分析了添加硫后的沥青碳化产物的X—射线衍射参数的变化及其碳化过程的机理。
The X-ray diffraction parameters of carbonization products and the mechanism of chemical reaction of pitch have been analyzed.
本文从空间形貌上说明姜块状碳化物的形成机制,并从微观机理分析姜块状碳化物提高刀片耐磨性的原因。
The ginger like Sorbite forming mechanism and the high wear resistance of ginger like carbide cutter blade were studied in this paper.
采用砂型和金属型铸造制备m 2高速钢铸锭,研究了冷却速度变化对高速钢m 2c共晶碳化物形态及性质的影响,探讨了M2C共晶碳化物形态变化的机理。
The cast ingots prepared using sand mould and metal mould were analyzed to investigate the effect of cooling rates on morphologies and characters of M2C eutectic carbides in M2 high speed steel.
研究了聚碳矽烷(PCS)熔体在Y型喷丝孔中的挤出胀大机理、膨胀模型以及膨胀比对Y型碳化矽纤维异形度的影响。
The die-swell mechanism of polycarbasilane(PCS) melt for a spinneret with Y-shaped orifice and the effect of die swelling of PCS on the profile degree (PD) of Y-shaped SiC were investigated.
研究了钙矾石表面碳化反应机理,该反应分三步进行,其中水的吸附为控制步骤。
Mechanism of carbonation on the surface of ettringite was studied. Carbonation is carried out in three stages, in which adsorption of water is a controlling procedure.
进行了碳化环境下预应力混凝土试件弯曲受拉和直接受压的耐久性试验研究,阐述了碳化作用对预应力混凝土结构的损伤机理。
The durability experiment of prestressed concrete specimens in the bending tensile status or in the directly compressive status in carbonation environment has been carried out.
其烧结机理以碳的溶解及碳化硅的淀析过程为主。
The sintering mechanism is characterized by the carbon dissolved in melt silicon and precipitation of SiC from melt silicon.
本文综述了材料在高温含碳气氛中的腐蚀,包括金属粉化和碳化,讨论了材料在含碳气氛中的腐蚀机理和腐蚀动力学。
In this paper, the corrosion of materials in carbonaceous atmospheres at high temperatures is reviewed, including metal dusting and internal carburization.
目前,碳化硅的研究仍然处于起步阶段,尤其是对缺陷的表征、形成机理和分布都没有深入的研究。
The research about silicon carbides was at the initial stage, especially the characterization, formation mechanism and distribution of defects.
该文从钢筋腐蚀的原因出发,根据电化腐蚀理论,讨论了氯盐及碳化对钢筋产生腐蚀的机理,为有效保护钢筋提供了更为清晰的理论依据。
The paper discusses the mechanism of chloride and carbonization to reinforcement bar corrosion in accordance with the theory of electrochemical corrosion from the cause of reinforcement bar corrosion.
文摘:对含碳化锆为主的陶瓷纤维织物保暖机理进行了分析,从理论上探讨了此类织物结构参数设计的规律。
Abstract: the thermal insulation property of fabrics with ceramic fiber is studied, the rule of structure of fabric is discussed. The result of test is accordant with the theoretic analysis.
有机化学是研究有机化合物的结构、性质、合成、反应机理和碳化合物间相互转变规律的一门学科。
Organic chemistry is the study of carbon-containing compounds. It is included that the structure, properties, reaction mechanisms, synthesis and transformation of organic compounds.
有机化学是研究有机化合物的结构、性质、合成、反应机理和碳化合物间相互转变规律的一门学科。
Organic chemistry is the study of carbon-containing compounds. It is included that the structure, properties, reaction mechanisms, synthesis and transformation of organic compounds.
应用推荐