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Location techniques are crucial in many engineering and medical applications. The paper attempts to assess sensor network localization techniques in an indoor environment based on range measurements. As the range measurements are often subject to errors due to sensor and environment. Different methods may result in different positioning performance. In the(More)
The discriminator base N73 is a key identity element of tRNAHis. In eukaryotes, N73 is an “A” in cytoplasmic tRNAHis and a “C” in mitochondrial tRNAHis. We present evidence herein that yeast histidyl-tRNA synthetase (HisRS) recognizes both A73 and C73, but somewhat prefers A73 even within the context of mitochondrial tRNAHis. In contrast, humans possess two(More)
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