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所属行业:化学原料和化学制品制造业

  • 25931.国内对苯二甲酸产业市场分析及预测

    [化学原料和化学制品制造业] [2014-08-15]

    对国内近10 年对苯二甲酸行业市场进行分析,并对国内对苯二甲酸产业后期发展走势进行预测,为国内对苯二甲酸企业发展提供参考。
    关键词:纯对苯二甲酸;聚酯;二甲苯;国内市场;预测;市场调查
  • 25932.国内氯碱市场波动频繁

    [化学原料和化学制品制造业] [2014-08-14]

    关键词:氯碱;市场
  • 25933.下半年全球钾肥出货量将达5600万吨

    [化学原料和化学制品制造业] [2014-08-13]

    关键词:钾肥;出货量
  • 25934.全球化工并购市场活力增强

    [化学原料和化学制品制造业] [2014-08-13]

    关键词:化工;并购;市场
  • 25935.2013年中国航空煤油市场回顾及2014年展望

    [化学原料和化学制品制造业,石油加工、炼焦和核燃料加工业] [2014-08-13]

    2013年,中国航煤市场价格先降后升,同比有所下降;消费量在成品油需求整体放缓的形势下同比仍呈两位数增长态势;产量随着炼油能力的增长和航煤收率的上升继续显著增长;国际贸易仍“大进大出”,净出口量较快增长;年末库存同比基本持平。展望2014年,航空运输量较快增长将继续推动需求平稳增长;炼油产能和航煤收率的上升将促使航煤产量继续快速增长;航煤价格同比将小幅回落。
    关键词:中国;航空煤油;市场;价格;供应;消费;回顾;展望
  • 25936.加国油砂开采或可借力中国技术

    [化学原料和化学制品制造业,石油加工、炼焦和核燃料加工业] [2014-08-12]

    关键词:油砂开采;中国技术
  • 25937.我国沥青市场供需两旺——沥青市场2013年回顾与2014年展望

    [化学原料和化学制品制造业] [2014-08-12]

    2013年,我国沥青总产量为1999万吨,同比增幅为7.4%;沥青净进口量为315万吨,同比增长19.6%;全年沥青表观消费量为2315万吨,同比增幅为9.6%,需求总量创历史新高。2013年,沥青价格随着市场供需形势的变化而上下波动,前三季度有升有降,但总体波动不大,四季度随着需求的转淡开始步入下行通道。2014年,在国家利好政策的推动下,我国的公路建设将进入新一轮的施工高峰期,预计全年需求继续维持较高水平,需求总量约为2200万吨;预计全年国产沥青总量为1800万~1900万吨,进口量约为315万吨;价格受利好因素的影响为主,预计重交沥青均价约为4850元/吨。
    关键词:中国;2013年;2014年;沥青;需求;供应;进口;价格
  • 25938.全球非轮胎橡胶制品50强张榜

    [橡胶和塑料制品业,化学原料和化学制品制造业] [2014-08-12]

    关键词:橡胶制品;50强
  • 25939.采用大面积光折变聚合物装置制成的可更新的3D显示器

    [化学原料和化学制品制造业,计算机、通信和其他电子设备制造业] [2014-08-09]

    The overall goal of this program was to develop a large area updateable 3D color display using unique and innovative photorefractive (PR) polymers with fast writing times (ms), long persistence (hours) and rapid erasure (several seconds). A multi-pronged approach was used to integrate the presently established materials, find new photorefractive materials, and electronics and photonics techniques to achieve the following goals: (1) 3D display devices: we developed large area PR polymer devices for updateable 3D display; (2). Materials optimization: we designed and synthesized a PR polymer with high figures of merit for 3D display applications; (3) Nanosecond pulse recording: recording setups based on a high repetition rate nanosecond pulsed laser to increase the recording speed were developed; (4) Color holograms: A color 3D display system was implemented by angular multiplexing.
    关键词:全息光折变材料;彩色摄影;聚合物;三维流
  • 25940.由于织造和后整理量化多个加载速率损害芳纶纤维KM2

    [化学原料和化学制品制造业] [2014-08-08]

    Numerical simulation of impact events on fabric-based protective systems requires accurate mechanical characterization of the constituent material at similar strain rates as the impact event. Because Kevlar (Kevlar is a registered trademark of DuPont Company) yarn is woven into fabric to make protective equipment, the strength of the individual filaments may become compromised as a result of the crimping, weaving process, or finishing process. To elucidate and quantify any damage to the fibers as a result of the weaving or post treatment finishing process, single fibers were extracted from the warp and weft directions of plain woven, hydrophobically treated Kevlar cloth and the strength was measured over a wide range of strain rates and compared to the response of fibers extracted from an unwoven yarn. The tensile strength of fibers from the warp, weft, and unwoven Kevlar were evaluated at 0.001 s 1, 1 s 1, and approximately 1000 s 1 using a Bose Electroforce test setup and a Hopkinson tension bar modified for fiber experiments. A wide range of gage lengths from 2 to 150 mm was investigated to find the effect of defect distribution on the tensile strength of the single fibers. The results show that fibers taken from the weft direction of the woven fabric decreased in strength 38compared to the unwoven fiber. The warp fibers were a minimum of 20weaker than unwoven and weft fibers at all loading rates. Measured Young s Modulus as a function of strain rate and tensile strength as a function of gage length are also presented in this technical report.
    关键词:纤维;负载力;;聚合物;高分子材料
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