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Phenol In June 2008,because of the increase of production cost,major domestic phenol producers lifted their ex-factory ......
DISPLACING EXPERIMENTS OF TRUE MICROMODELS OF SANDSTONE AND FORMATIVE MECHANISMS OF MICROSCOPIC RESI
Based on experiments of true micromodels of sandstone, the microscopic manner of water displacing oil and the formative ......
In 2010 the sulfuric acid market presented a relatively stable performance,with the price level stronger than that of th......
Process Control for Structure of Martensite/Austenite Islands of 15.3 mm X100 Pipeline Steel in BX S
This paper mainly studies the influence of deformation amount and cooling rate,which existed in X100 pipeline steel roll......
黄鳍金枪鱼(Thunnus albacares)是全球远洋渔业的重要目标鱼种,要实现有效的管理,对其进行科学的资源评估是必不可少的。本文以大......
劳动密集型产业的主体多为中小企业和非公有制企业,它具有不可替代性、发展阶段性、存在广泛性、低成本性、高适应性的特点.发展劳......
以大多数研究者认可的马克思经济学的统一理论模型为基础,构建一个关于国际价值问题的模型,从国际分工和国别贸易利益的得失的角度......
考虑一类广义离散双险种风险模型,其一类险种的索赔为复合负二项分布,另一类险种的索赔为复合二项分布,保费收取为复合负二项分布,讨论......
对空调负荷的变化特性进行了分析,研究了发动机驱动空调的能量调节方法及性能系数随转速的变化规律,对机组的负载匹配进行了说明。研......
火力发电厂汽轮机房内部存在很多高温散热设备以及走向复杂的热力管道,导致大量余热聚集在机房顶部.对于此类特殊的高大空间建筑,......
由于市场上存在着机会主义,导致以节约交易费用的企业出现;企业的出现又把机会主义从市场带到企业内部。为减少企业内的机会主义,必须......