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找到报告 2451 篇 当前为第 162 页 共 246

所属行业:非金属矿物制品业

  • 1611.使用数字全息技术对透明材料的特征测量

    [非金属矿物制品业,信息传输、软件和信息技术服务业] [2015-07-24]

    Digital holography is applied to measure the characteristics of transparent material. A digital hologram recording system to measure the surface of transparent material was established, and the digital holograms of transparent object were obtained in high quality. For postprocessing of hologram, the least-squares phase unwrapping algorithm was used in phase unwrapping, and the phase reconstruction image of transparent object was obtained. The information of material surfaces was measured and the characteristic was presented in 3D visualization. The validation experiment was conducted by NanoMap 500LS system; the results of validation experiment are well satisfied with the measurement by digital holography, which proved the feasibility of digital holographic technology as a good measurement tool for transparent material.
    关键词:汽车;透明材料;数字全息技术
  • 1612.全球生物活性玻璃市场报告(2015-2019年)

    [非金属矿物制品业,医药制造业,科学研究和技术服务业] [2015-07-24]

    Bioactive materials refer to a group of materials including composites, ceramics, and glasses that interact with biological systems and aid in repair and replacement of diseased tissue or bone. Bioactive glasses are an important category of bioactive materials that promote self-healing by interacting with body fluids and tissues without affecting the health and tissues of living organisms. They have a wide range of applications in surgical procedures, especially in tissue replacement and tissue repair. Bioactive glasses are composed of silicon, calcium, sodium, and phosphorus. They are widely used in orthopedics, followed by dentistry and cosmetic applications. They are commercially available in various forms such as powders, nano-powders, and granules.
    关键词:生物活性材料;生物系统;修理;替换;患病组织;骨;促进;自我愈合;体液;组织
  • 1613.全球量子点市场报告(2015-2019年)

    [非金属矿物制品业,专用设备制造业] [2015-06-13]

    Quantum dots are nanocrystals made of semiconductor materials. Despite their small dimensions, they exhibit excellent optical properties when excited. These dots emit fluorescent light of different intensities depending on their tuning and size. They can be tuned according to the required emission or absorption wavelength, and this has led to their increased commercialization.
    关键词:量子点;半导体材料;纳米晶体;光学特性激发;调谐发射;吸收波长
  • 1614.中国防弹玻璃市场报告(2015-2019年)

    [非金属矿物制品业] [2015-06-01]

    Bulletproof glass, also known as bullet-resistant or ballistic glass, refers to a composite made up of glass laminates and thermoplastic layers.
    关键词:中国;防弹玻璃;安全玻璃
  • 1615.全球医疗陶瓷市场报告(2015-2019年)

    [医药制造业,非金属矿物制品业] [2015-04-07]

    Medical ceramics find extensive use in the Medical sector for a variety of applications, including treatment of cancer and related diseases, joint and hip reconstruction, and in the production of implantable electronic devices. These inorganic and non-metallic materials are also being used worldwide in various dental and orthopedic applications, and in the manufacture of surgical and diagnostic instruments. On the basis of material used, these ceramics can be classified into three: bioinert, bioactive, and bioresorbable. Bioinert ceramics such as aluminum oxide, zirconium oxide, silica oxides, and titanium oxide have been the most commonly used ceramics in the Medical sector. In recent years, however, manufacturers have been leaning toward bioactive ceramics such as bio-glass. Hydroxyapatite, a bioresorbable ceramic, has also been gaining popularity among market players in the last few years.
    关键词:医疗陶瓷;医疗部门;广泛使用;治疗癌症;相关疾病;关节;髋关节;植入式电子装置
  • 1616.英国瓷砖市场报告(2015-2019年)

    [非金属矿物制品业,建筑业] [2015-03-24]

    Ceramic tiles are made from ceramic materials such as porcelain and earthenware. Tiles are made by mixing sand, clay, and other natural products. These tiles are manufactured by molding raw materials to the required shape and design, followed by heating at high temperature in a kiln. Ceramic tiles are available in many designs and variants, and are suitable for homes, indoors, and outdoors. The aesthetic value of the tiles makes them an ideal choice for floor coverings and other decorative uses.
    关键词:陶瓷砖;陶瓷材料;成型原料;形状和设计;装饰用途
  • 1617.全球平板玻璃市场报告(2015-2019年)

    [非金属矿物制品业] [2015-02-24]

    Flat glass is a type of glass manufactured as a flat sheet and used to make windows, facades, and doors for houses and buildings, and windshields and windows for automobiles. It is also used in solar equipment such as solar thermal panels and photovoltaic modules. It finds application in interior fittings and decorations, furniture, and electronic equipment. Based on product type, flat glass is classified into three types: float, sheet, and rolled.
    关键词:平板玻璃;平片;浮子;片材;轧制
  • 1618.V掺杂Li2FeSiO4正极材料的制备与电化学性能

    [非金属矿物制品业] [2015-01-30]

    采用固相法制备了V 掺杂的锂离子正极材料Li2FeSi(1–x)VxO4(其中x=0,0.05,0.10,0.15)。通过X 射线衍射(XRD)、扫描电子显微镜、粒度分析、恒流充放电测试及交流阻抗谱测试等方法研究制备样品的结构、形貌及电化学性能。结果表明:掺杂后样品的衍射主峰与Li2FeSiO4 的XRD 谱一致,样品的一次粒径分布在200~500 nm 之间,颗粒分散较为均匀,掺杂后样品的粒度分布更为一致。电学性能测试显示:x=0.10 时,样品表现出较好的电学性能。在0.1C 下放电,Li2FeSi0.90V0.10O4的首次放电容量为163 mA·h/g,与Li2FeSiO4 相比容量增加了66.2%,循环30 次后的容量仍保持在27mA·h/g,具有良好的循环性能。
    关键词:锂离子电池;正极材料;硅酸铁锂;离子掺杂
  • 1619.锰基富锂正极材料Li1.2Ni0.2Mn0.59Co0.01O2的首次充放电曲线分析

    [非金属矿物制品业] [2015-01-30]

    采用溶胶?凝胶法制备了锰基富锂正极材料Li1.2Ni0.2Mn0.59Co0.01O2。在类似的实验条件下制备了3 组样品。分别用3组共计13 个样品作为正极、金属锂作为负极制备了扣式电池以研究其首次充放电曲线和Coulomb 效率。发现首次充电时平台容量(CP)占总充电容量(CT)的比例为首次Coulomb 效率的曲线函数。而首次放电时,在3.5V 两侧均有1 个放电平台,其微分容量曲线(dQ/dU)中2 个峰的峰值比(PB/PC)为首次Coulomb 效率的线性函数。通过分析,提出一个模型来解释锰基富锂材料的首次充放电行为。
    关键词:锰基富锂正极材料;Coulomb效率;充放电行为;充放电曲线
  • 1620.中空SiO2微球的制备及其对水性聚氨酯涂膜透水汽性能的影响

    [非金属矿物制品业] [2015-01-30]

    采用十六烷基三甲基溴化铵胶束为软模板、四乙氧基硅烷(TEOS)和γ-氨丙基三乙氧基硅烷(KH-550)为混合硅源、氨水为催化剂制备了表面亲水的中空SiO2 微球。考察了硅源总用量、硅源比例TEOS/KH-550)对中空SiO2 微球形貌的影响。然后将制备的中空SiO2 微球与水性聚氨酯乳液物理共混,考察中空SiO2 微球对水性聚氨酯涂膜透水汽性、耐水性以及力学性能的影响。结果表明:随着硅源总用量的增加,中空SiO2 微球的粒径变化不大,壳层厚度先增大后不再变化,且其中小粒径实心SiO2 微球的数目增加,复合涂膜的透水汽性呈现先升高后降低的趋势;随着硅源中TEOS 比例的增大,中空SiO2 微球的壁厚逐渐增加,复合涂膜的透水汽性先逐渐升高后逐渐降低;同时,中空SiO2 微球对复合涂膜的力学性能和耐水性能均有一定的改善作用。
    关键词:中空二氧化硅微球;软模板;水性聚氨酯;透水汽性
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