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Abstract: Many factors affecting laminal airtight vessel life have, this complex，uncertain and changeable characteristics method of dynamic two-grade fuzzy comprehensive decision is introduced to estimate the vessel life, the mathematical model and proces
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文摘:针对影响薄壁密封容器寿命的许多因素具有复杂性、非确定性以及时变性的特点，提出了用动态二级模糊综合评判的方法对其寿命进行评估，建立了评估的数学模型和评估流程。 |
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Abstract: Many methods for flue gas desulfuration was described,of which mainly introduces three new technique.SO2 removal from gas by ziolites、activated coke and pulse cozona.
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文摘:叙述了几种烟气脱硫方法，其中重点介绍了3种新的技术，即用沸石、活性焦和脉冲电晕来脱除烟气中的SO2。 |
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Abstract: Many renowned brands not only use the rules of war in marketing, but also practise marketing in the real wars, performing the exciting field marketing.
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摘要：不少著名品牌不仅将战争中的某些规律移植于营销活动之中，而且将营销触角延伸到实战之中，演绎出惊心动魄的战地营销。 |
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Abstract: Many scholars starts the study of the works by Luxun often with macroscopic point,yet this paper,taking the opposite way,seeks the hidden relation between the brothers' estrangement and Luxun's creation with the individual life experiences as th
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文摘:研究鲁迅作品，论者多从宏观入手，本文取相反视角，以生命个体经历为参照系数，追寻兄弟失和与鲁迅创作之潜隐关系，透视鲁迅在这一时期充满矛盾挣扎的心灵世界，为解读鲁迅作品提供新的思维空间。 |
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Abstract: Mathematical Model of governing system's dynamic characteristicfor condensing turbine、 reheat turbine、 extraction turbine and power frequency turbine are introduced in this paper.
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文摘:介绍了研究凝汽式汽轮机调节系统、中间再热式汽轮机调节系统、调整抽汽式汽轮机调节系统及功频电液调节系统的动态特性的数学模型。 |
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Abstract: Mathematical models of Stelmor process have been developed to predict the rod co oling behavior of steel wire under the action of water spray and air flow in the cooling system of stelmor machine.
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文摘:建立了斯太尔摩控制冷却过程数学模型，目的是研究生产工艺参数对线材冷却过程中温度变化及横断面上温度分布的影响。 |
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Abstract: Measures for waste water management from re co very processing of Zhushanxia uranium deposit of Wengyuan Mine is analyzed in th is paper,which include improving process flow,recycling process water used in ur anium mill as much as possible and c
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文摘:翁源铀矿竹山下矿井采冶工程恢复生产过程中，通过改进生产工艺流程、实行工艺水闭路循环及选择合适的废水处理方法等综合措施加强废水管理，减少了废水产生量和排放量，降低了废水处理成本，改善了环境质量。 |
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Abstract: Mechanical seal is the key part of submersible sewage pump, the reliability of it decide the submersible sewage pump life.
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文摘:作为潜水污水泵关键部件的机械密封，其可靠性决定潜水污水泵的使用寿命。 |
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Abstract: Melting behavior of silica flux in the converting process of high grade copper matte was investigated.
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文摘:研究了高品位铜冰铜转炉吹炼石英熔剂熔化行为。 |
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Abstract: Metallic foam or porous materials were developed at the end of the 80s and applied to industry at the beginning of the 90s.They have excellent physical properties,especially damping characteristis,so they are widely used for vibration insulation
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文摘:金属泡沫或金属多孔材料是80年代后期国际上迅速发展起来的一种物理功能与结构一体化的新型工程材料.它所具备的多种优异物理性能特别是阻尼性能已引起广泛关注，并在消声、减震、分离工程、催化载体、屏蔽防护、吸能缓冲等一些高技术领域获得了广泛应用.文章着重介绍了铸造发泡法制造铝泡沫材料的技术难点.对金属泡沫材料的力学性质和阻尼特性进行了详细介绍.为金属泡沫材料开发、应用提供基础知识和信息. |
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Abstract: Methanesulfonic acid method was used to prepare five acylated chitins.Except heptanoyl chitin, four of them,i.e.acetyl chitin,propionyl chitin,butyryl chitin and hexanoyl chitin,had high degree of substitution(from 1.5 to 2.0)and exhibited lyotr
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文摘:四种羧酰化甲壳素即乙酰化、丙酰化、丁酰化和己酰化甲壳素在二氯乙酸溶液中均呈现胆甾型溶致液晶相.临界浓度随侧基长度增加而略有增加，衍生物的临界浓度明显都比原甲壳素高许多，这些规律都可以用链刚性的变化来解释.四种羧酰化甲壳素在剪切时均能形成条带织构，而且能形成条带织构的最低浓度有明显差别，随侧基长度增加而提高，进一步表明侧基较长，液晶性减少. |
