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Transcription is the process of synthesizing messenger RNA by RNA polymerase based on the DNA sequence of a gene and is the initial step in gene expression. In bacteria, σ factor is a key component of RNA polymerase for promoter recognition and transcription initiation.
In recent years,...more |
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Lithium-sulfur (Li-S) batteries have been regarded as a promising substitute to the current lithium-ion batteries. They have high energy density, five times higher than that of the state-of-the-art lithium-ion batteries. In addition, Li-S batteries centralize the advantages of environmental ...more |
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Batteries with lithium metal anodes have been viewed as one of the most promising candidates for the next generation of electrochemical energy storage devices. Researchers have made tremendous effort to fulfill a high areal capacity utilization of lithium metal anode and coupled it with high...more |
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With the development of renewable energy, such as wind and solar energy, various critical problems in energy and environment will be gradually improved. However, the solar energy and wind energy also exhibit the disadvantages like instability, discontinuity and uncontrollability, which often...more |
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Plant cell walls, being repositories of fixed carbon, are important sources of biomass. The biomass is mainly composed of three toughly cross-linked parts, cellulose, hemicellulose, and lignin. However, the complex lignin structure and its content make it to be used as biomass in a relativel...more |
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