纽约文化参观活动：自由女神岛、世界金融中心---华尔街、世贸大厦遗址、联合国总部、洛克非勒中心、繁华的第五大道、时代广场等。
New York culture activity: Colombia university, New York University, status of liberty island, Wall Street, World Trade Mall site, U. N mansion, Rockefeller Center, Times Plaza.
目的探讨手术、麻醉等因素对老年人非心脏手术术中心血管并发症的影响。
Objective To study the influence of different types of operation and anesthesia on intraoperative cardiovascular complication of geriatric noncardiac surgery.
这些结果表明锗导带能谷不在布里渊区中心，且具有非球形对称等能面。
Our results indicate that the energy valley of conduction band of Ge is not lying in the center of Brillouin zone and the constant energy surface possesses non-spherical symmetry.
在研究测量误差分析、模型误差统计检验、变形分析、可靠性分析和优化设计等问题中，经常需要对统计量分布的非中心参数进行估计。
The noncentral parameter of statistic distribution often needs to be estimated in error analysis, statistical test, deformational analysis, reliability analysis, and optimum design, etc.
介绍了对非晶态合金催化剂的非晶结构、表面形态、活性中心等进行表征和定性的XRD、EX AFS、DSC、SEM和XPS等方法。
The XRD, EXAFS, DSC, SEM and XPS methods for determining and characterizing amorphous structure, surface morphology and active center of the catalysts were introduced.
介绍了对非晶态合金催化剂的非晶结构、表面形态、活性中心等进行表征和定性的XRD、EX AFS、DSC、SEM和XPS等方法。
The XRD, EXAFS, DSC, SEM and XPS methods for determining and characterizing amorphous structure, surface morphology and active center of the catalysts were introduced.
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