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Enhanced performance of InGaN/GaN multiple quantum well solar cells with patterned sapphire substrat
In this paper,the enhanced performance of InGaN/GaN multiple quantum well solar cells grown on patterned sapphire substr......
There is understanding to date that Pi2 pulsations have two sources. One source is a high-latitude one and is due to flu......
The origin and distribution of natural gas in the frontal uplift area of the Kuqa depression,Tarim B
The frontal uplift of the Kuqa depression is an important oil and gas producing area. In this study, the distribution an......
In this paper, 197 samples were gathered from a 820 cm profile in Donganchi of Fangshan, Beijing. They provided a contin......
Based on some composite indices, this paper proposes a classification of kerogen in theSongliao Basin and the four stag......
A preliminary study on benthos food web structure oftidal zone in the Laoshan Bay by using stable ca
By anayses of carbon isotopic composition (δ13C values) of the benthos collected in the Laoshan Bay in August 1993 and ......
本文首先对天球参考标架和地球参考标架作了一般叙述。其次较详细地说明地球参考标架究竟是什么,它是如何形成的,直到现在它的发展......
阿尔奇公式中的地层水电阻率R。应有严格的使用条件。R。选用不当是造成解释符合率降低的主要原因。“低阻油层”是一个不妥当的概......
针对W12-1北油田2003年底的第一批钻井中，因泥岩地层水化膨胀、地应力作用和钻井轨迹设计的合理性等多种原因引发的10多起较严重的......
根据光磁共振原理,通过光抽运,形成原子的能级分布偏极化,再加入射频信号打破塞曼能级偏极化分布,形成并输出光磁共振信号.然后,同......
根据下扬子区５０余口井温测量资料，从中选取能代表地层温度的井温数据计算地温梯度，在实验室中测量中，新生界的１１０余块砂岩和泥岩热导率及古......
