holdin相关论文
Optimal production lot sizing model in a supply chain with periodically fixed demand considering lea
This paper presents an optimal production model for manufacturer in a supply chain with a fixed demand at a fixed interv......
Properties of SiC Particulate Preforms Based on Different Pore-forming Agents and Bonding Methods fo
The preforms with high SiC volume fraction(>50%) were successfully fabricated by two bonding methods. Moreover, the dime......
Since Fazzari et al.(1988),investment-cashflow sensitivity has been one of the most important indicators for testing and......
According to the “Ranking List of Top 500 Private-owned Enterprises in China 2010” published by All-China Federation o......
Dual endotherms during differenUal scanning calorimetric (DSC) measurement occur when dried PET pellets are pretreated ......
By measuring the expansion curves of a Nb bearing steel at different cooling rates by using Gleeble-3800 thermomechanica......
Silicon nitride composite is joined to itself by heating interlayer of Y2O3-Al2O3-SiO2 mixtures above their liquidus tem......
利用热模拟试验机Gleeble-3800,热模拟试验研究了V、Mo、V+Mo等元素、加热温度、保温时间对微合金化贝氏体钢中第二相析出的影响.结......
研究了PC制品住注塑成型、整形后处理过程中的形变影响因素。结果表明:保压压力和时间的降低有利于改善PC制品的正弓形变量;模温110......
对首钢京唐生产IF钢的同一浇次前2炉的RH精炼、镇静和中间包浇铸过程进行了系统取样,并利用Aspex自动扫描电子显微镜分析统计了钢......
为了研究电力复合脂摩擦系数对导线握力的影响,对不同类型电力复合脂的摩擦系数进行了测试,并开展了涂不同类型电力复合脂导线握力试......
在真空度为10^-3Pa、加热速率为20℃/min、加热温度为565℃的条件下,使用Al-5Si-28Cu-Zn—Ti钎料,采用不同保温时间分别对体积分数20%......
试验研究了退火温度、保温时间对5A01-O合金板材组织与性能的影响,确定了合理的退火工艺制度。结果表明,按照确定的工艺制度生产的板......
Steel is the most important metallic material used in industry. This is because of the versatility of its engineering pr......
Organic Amendments with Chemical Fertilizers Improve Soil Fertility and Microbial Biomass in Rice-Ri
Medium-term changes in the labile nutrient pool of microbial biomass carbon (MBC) and nitrogen (MBN) resulting from orga......