论文部分内容阅读
宜兴东方公司石油支撑剂技术领先
【出 处】
:
精细与专用化学品
【发表日期】
:
2002年18期
其他文献
,Stable Single Polarization, Single Frequency, and Linear Cavity Er-Doped Fiber Laser Using a Satura
Continuous-wave single frequency (SF),narrow bandwidth optical fiber lasers have attracted much research interest in the past decades due to their potential app
期刊
本文通过文献调研确定配方(1-x)SrBi4Ti4O15-xNa0.5Bi4.5Ti4O15具有较好的压电性能,再通过CeO2的掺杂进行性能调整.与纯0.9SBT-0.1NBT相比,掺杂CeO2后压电性能有明显的改善,
以广州地铁9号线3标2台三菱泥水平衡盾构在岩溶地层掘进为例,通过分析施工过程中盾构刀盘刀具的磨损损耗情况,对盾构在岩溶地区中掘进的刀盘配置与应用技术的关键进行探讨,为
以乌鲁木齐南湖北路站-王家梁站地铁区间隧道为工程背景,采用调查问卷咨询现场技术指导和专家组成员,建立各层次影响因素判断矩阵,并对各影响因素权重向量进行一致性检验,采
Titanium dioxide (TiO2) nanotubes have attracted much attention because of their unique chemical properties,including high photocatalytic activity,strong oxidiz
期刊
We demonstrate experimentally the Doppler cooling of 40Ca+ ions using the S1/2 → D3/2 electric quadrupole transition,in which the scattering light that is much
期刊