The calcinations temperature and ageing time influence the performance of desulphurization gypsum. 研究了单掺钢渣对脱硫石膏-粉煤灰复合胶凝体系的影响。
It was demonstrated that the re-action temperature, feeding speed, ageing time affected the particle size and distribution. 同时将加料速率、陈化时间等因素对微粒粒度及其分布的影响作了研究。
The content of hydrogen in steel decreases with increasing the ageing time. 随着时效时间的延长,盘条中氢含量逐渐降低;
It is the wine processing research front and hotspot to find a way to reduce the ageing time for wine under the guarantee of quality. 所以,在保证葡萄酒品质前提下,缩短陈化时间,是酒类加工研究的前沿和热点。
The relationships between damage energies of HTPB propellants and storage ageing time were investigated by uniaxial repeated tensile test. 由单轴反复拉伸试验分别研究了含键合型防老添加剂和防老剂H的HTPB推进剂破坏能与贮存老化时间的关系。
The influences of catalyst Al/ Co ratio and ageing temperature and ageing time and usage of styrene and catalyst were studied. 研究了催化剂Al/Co配比、陈化温度、陈化时间、添加苯乙烯及催化剂加入量的影响;
The results show that the higher the ageing temperature is, the shorter the peak ageing time is. The strength and elongation of the peak-aged alloy will be lowered when the ageing temperature is higher. 结果表明:单级时效处理的温度越高,合金达到峰时效所需的时间越短,材料的峰时效强度和延伸率越低。
By tensile test and transmission electron microscopy, the ageing precipitation behavior of an experimental high purity Al-Cu-Mg-Ag type alloy was investigated during a long period of ageing time. 利用拉伸力学性能测试和透射电镜等研究了高纯Al-Cu-Mg-Ag合金在长时间时效过程中的时效析出行为。
In order to get the optimum combination of strength and ductility, the reasonable ageing time of 1420 Al-Li alloys is about 8~ 16h. 要获得较佳的强度和塑性的配合,1420Al-Li合金的时效时间为8~16h。
Other factors including reactant concentration, super-saturation, ageing time, and solvent system were also studied and analyzed. 论文同时对其他的影响因素如反应物浓度、反应体系过饱和度、陈化时间的影响、溶剂体系的影响等方面进行了分析研究。
The lattice parameter value of two RS alloys is almost the same after 100h of ageing time. 两种合金时效100h后,晶格常数趋于一致。
The properties stability of the Zn-27wt% Al alloy has been studied. The cast structure and the ageing structure have been observed with SEM and TEM. The relationship curve between hardness and ageing time has been determined. 本文采用扫描电镜、透射电镜观察了Zn&27wt%Al合金的铸态组织及其120℃的时效组织,测定了120℃时效过程中硬度随时效时间变化的关系曲线,分析了性能变化与组织转变之间的关系。
During this process, η′( MgZn_2) phase precipitates from the supersaturated solid solution, and the precipitation increases with the lengthening of ageing time. 时效过程中,过饱和固溶体分解析出η′(MgZn2)相,随时效时间的延长,析出相增加。
The width of precipitation free zone ( PFZ) increases with the increase of ageing time. 晶界无析出带的宽度随时效温度提高和时效时间的延长而增大。120℃时效24h后晶界析出相连续分布,晶界无析出带很窄。
Ageing time: above 24h; 水上种稻陈化时间24h;
The results showed that solution ageing heat treatment remarkably improves the microstructure and hardness of the new copper alloy for die, especially the ageing time. 结果表明,通过固溶时效处理可以显著改善铜合金模具材料的金相组织和硬度,其中时效时间对铜合金模具材料硬度的影响较大。
The ageing time that corresponds the maximal precipitate rate has seldom been influenced by the content of Cu. Cu含量对沉淀相达到最大析出速度所需时效时间影响不大;
The optimum processing conditions were ageing time 24 h; 最佳工艺条件为老化时间24h;
It was found that the ageing time of the water glass had a sharp effect on the synthesis of NaY zeolites. 同时也发现水玻璃放置陈化时间对合成NaY沸石有较大影响。
The effects of oxygen and thermal degradation and deforming velocity on the tensile properties of the polypropylene film for packaging are studied through the mechanical tensile test. At the same time, the effects of ageing time on the yield strength and elastic modulus are discussed. 采用拉伸实验,研究形变速率对聚丙烯包装薄膜屈服强度和断裂强度的影响,同时研究在80℃条件下热氧老化处理聚丙烯包装薄膜后,老化时间对材料屈服强度和弹性模量的影响。
In addition, the distribution of Mg in grain boundaries is inhomogeneous, which the increase with increasing of ageing time. 研究中还发现,Mg在晶界上分布是不均匀的,且这种不均匀性随时效时间的延长而增加。
Ageing time is 12h; 陈化时间为12小时;
Effects of ageing temperature, ageing time on microstructure, micro-hardness and electric conductivity of rapidly solidified Cu-Cr-Sn-Zn alloy were investigated. 研究了时效温度、时效时间对快速凝固Cu-Cr-Sn-Zn合金微观组织、显微硬度和电导率的影响规律。
The desorption amounts of phenanthrene decrease with the increasing of the ageing time. 土壤中菲的脱附量随着老化时间延长而降低。
The thermal ageing time has significant influence on strength and plasticity at room-temperature and tensile strength at high temperature of domestic steel, and so is long thermal ageing time on tensile strength at room-temperature and strength and plasticity at high temperature of French steel. 热老化时间对国产钢管的室温强塑性及高温抗拉强度有显著性影响,长时间热老化对法国钢管室温拉伸强度及高温强塑性的影响显著。
With the increase of ageing time, eucryptite humidity sensors become more sensitive, better linear. 随着老化时间的增加,锂霞石湿度传感器的灵敏度增加,线性变好。
The pore structure is determined by the dry process, and ageing time has no obvious effect on it. 样品的表面积及孔结构主要受干燥条件控制,陈化时间的改变对其没有明显的影响。
The plastically deforming area of room temperature impact macro-scope fracture gradually reduces with the prolong of the thermal ageing time. 铸造双相不锈钢的室温冲击宏观断口塑性变形区随热老化时间的延长逐渐减小。