搜索结果: 1-12 共查到“理学 las”相关记录12条 . 查询时间(0.046 秒)
Keep an Eye on Venezuelan Elections! (Vigilad las elecciones venezolanas)
Venezuelan Elections Vigilad las elecciones venezolanas
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2012/11/22
Starting with the 2004 recall referendum, an important opposition sector to President Chavez has questioned the integrity of the Venezuelan electoral system, and casts doubt on the legitimacy and impa...
Brief communication "Report on the impact of the 27 February 2010 earthquake (Chile, Mw 8.8) on rockfalls in the Las Cuevas valley, Argentina"
Brief communication earthquake rockfalls Las Cuevas valley
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2010/10/21
Numerous rockfalls were detected in the Las Cuevas valley, Argentina, after the 27 February 2010 earthquake in Chile. Live rockfalls were observed during aftershocks of 11 March 2010. Many rockfall so...
Recent variation of the Las Vacas Glacier Mt. Aconcagua region, Central Andes, Argentina, based on ASTER stereoscopic images
Las Vacas Glacier Mt. Aconcagua region Central Andes ASTER stereoscopic images
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2010/1/28
This work presents the results of the ASTER stereoscopic image processing to calculate the volume changes of Las Vacas Glacier. The processing of medium resolution satellite images (ASTER level 1A – p...
Calibration and application of the MN2D dynamics model to the avalanches of Las Leñas (Argentina)
Calibration and application the MN2D dynamics model Las Leñ as (Argentina)
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2009/12/9
In this work, the MN2D dynamics model is calibrated with two different avalanches of the same magnitude: dry and wet. The importance of the topographic data in the simulation is evaluated. It is concl...
Gmt site evaluation at las campanas observatory
Gmt site las campanas observatory
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2009/6/30
Gmt site evaluation at las campanas observatory。
机载LIDAR技术作为一种高精度的三维地物探测手段,其相应的数据格式也在不断发展。美国摄影测量与遥感(ASPRS)协会下的LIDAR委员会于2003年发布了标准LIDAR数据格式LAS,经过改进,目前已有4种版本,分别是LAS 1.0、1.1、1.2与2.0(拟定版)。本文在解析4种版本的基础上,探讨了LAS标准格式的发展趋势,并采用IDL 6.2语言对该格式的LIDAR数据进行读取和转换试验,检...
目的Ribozyme两侧长片段附加序列(LAS)的去除及其转录载体构建
目的Ribozyme 顺式Ribozyme 长片段附加序列(LAS) 自身剪切
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2007/12/17
摘要 选择小鼠腺苷脱氨酶mRNA特异Ribozyme做为目的Ribozyme(Rz),在目的Ribozyme两侧分别设计5'-顺式Rz和3'-顺式Rz,在目的Ribozyme上设计BamHI酶切位点,并构建了上述Ribozyme转录载体pSCRz262,采用该质粒进行体外转录,并对转录靶RNA分子进行了切割反应。结果显示pSCRz262在转录过程中发生了自身切割,并释放出目的Ribozyme-Rz...
The Department of Physics & Astronomy at the University of Nevada, Las Vegas
Astrophysics 天体物理学 Applied Physics 应用物理学 Computational Physics 计算物理
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2007/12/14
The Department of Physics & Astronomy at the University of Nevada, Las Vegas offers Bachelor of Science degrees in Physics, Applied Physics, and Computational Physics, as well as a Minor in Physics. T...![](/images/blue.gif)
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可聚硼酸酯表面活性剂的表面化学性质及与LAS相互作用
可聚合表面活性剂 硼酸酯 临界胶束浓度 分子相互作用参数
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2010/2/23
用表面张力法研究了可聚合硼酸酯表面活性剂(BES)水溶液不同温度下(288-313 K)的表面活性和热力学函数变化;考察了BES与十二烷基苯磺酸钠(LAS)在0.5 mol·L-1 NaCl溶液中的相互作用. 结果表明, 298 K时, BES临界胶束浓度cmc达到0.066 mmol·L-1, γcmc为29.2 mN·m-1;在所考察的温度范围内BES胶束形成自由能(ΔG0m)在-22.4 -...
Electrooxidation of Linear Alkyl Benzene Sulfonate (LAS) on Pt Electrodes
Electrooxidation Linear Alkyl Benzene Sulfonate (LAS) Pt Electrodes
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2010/6/29
The electrochemical behaviour of linear alklybenzene sulfonate (LAS) on Pt electrodes was investigated in 0.05M Na2SO4 and in 0.1M NaCl at pH=8 by the potentiokinetic method and by electrolysis. The a...
Clay Deposits of Las Aguilas Formation, Barker, Buenos Aires Province, Argentina
Argentina Kaolinite Lateritic alteration Refractories Reserves
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2012/2/10
Mineralogical, chemical, and geological aspects of four types of clay deposits in Las Aguilas Formation northwest of Barker in Buenos Aires Province, Argentina, indicate that these products of laterit...
Sepiolite Deposits of the Las Vegas, Nevada Area
Fibrous Magnesium Palygorskite Sepiolite
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2011/11/18
Abstract: Four sepiolite deposits of different origin, which occur near Las Vegas, Nevada, are compared and described. They include a playa deposit, a valley terrace deposit, and two types of vein dep...