105 Result(s)
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Chapter and Conference Paper
Effect of Slag Prepared with Different Cooling Methods on Cleanliness of Bearing Steel GCr15
Bearing steel required high cleanliness. During LF refining, the type of slag has obvious effect on its cleanliness. Two kinds of refining slags have been prepared with different cooling methods after pre-melt...
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Chapter
Advanced Control Techniques for PV Maximum Power Point Tracking
The Photovoltaic (PV) power has rapid growth due to it is clean, no noise and little maintenance. However, all PV systems have two major drawbacks, i.e. the efficiency of PV power generation is very low and th...
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Article
Improved ε-poly-l-lysine production of Streptomyces sp. FEEL-1 by atmospheric and room temperature plasma mutagenesis and streptomycin resistance screening
To enhance the ε-poly-l-lysine (ε-PL) productivity of Streptomyces sp. FEEL-1, a novel breeding strategy of atmospheric and room temperature plasma (ARTP) mutagenesis with streptomycin resistance screening was de...
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Open Access This content is freely available online to anyone, anywhere at any time.
Article
Automated 5-plex fluorescent immunohistochemistry with tyramide signal amplification using antibodies from the same species
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Article
Characteristics of PM2.5 in Miyun, the northeastern suburb of Beijing: chemical composition and evaluation of health risk
In recent years, the fine particulate matter pollution has become increasingly serious in Beijing, the capital of China. Being considered as an environment-friendly district of Beijing, current research concer...
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Article
Physiological mechanism of the overproduction of ε-poly-l-lysine by acidic pH shock in fed-batch fermentation
The introduction of an environmental stress of acidic pH shock had successfully solved the common deficiency existed in ε-PL production, viz. the distinct decline of ε-PL productivity in the feeding phase of t...
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Article
Wafer-scale arrayed p-n junctions based on few-layer epitaxial GaTe
Two-dimensional (2D) materials have attracted substantial attention in electronic and optoelectronic applications with the superior advantages of being flexible, transparent, and highly tunable. Gapless graphe...
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Article
Enhancement of ε-poly-lysine production in ε-poly-lysine-tolerant Streptomyces sp. by genome shuffling
ε-Poly-l-lysine (ε-PL) has been widely used as food additive. However, the self-inhibition of ε-PL on cell growth limits the accumulation of ε-PL in the wild-type strain. Here, we screened ε-PL-tolerant strain of...
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Article
Sintering, Microstructure, and Electrical Conductivity of Zirconia-Molybdenum Cermet
Monolithic zirconia-molybdenum (m-ZrO2/Mo) cermets of different compositions (5-40 vol.% Mo) and different initial Mo particles sizes (0.08-13 μm) were prepared by traditional powder metallurgy process. The influ...
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Open Access This content is freely available online to anyone, anywhere at any time.
Article
Gastrectomy in comprehensive treatment of advanced gastric cancer with synchronous liver metastasis: a prospectively comparative study
Systemic chemotherapy is the key treatment for advanced gastric cancer. The benefit of adjuvant surgery following preoperative chemotherapy in gastric cancer with liver metastasis has not been well established.
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Article
Visceral and subcutaneous fat as new independent predictive factors of survival in locally advanced gastric carcinoma patients treated with neo-adjuvant chemotherapy
Abdominal adipose distribution may be associated with tumor growth, but its impact on gastric carcinoma survival after neo-adjuvant therapies is uncertain. This retrospective study was to determine the associ...
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Open Access This content is freely available online to anyone, anywhere at any time.
Article
The strain seismograms of P- and S-waves of a local event recorded by four-gauge borehole strainmeter
At a sampling rate of 100 samples per second, the YRY-4 four-gauge borehole strainmeters (FGBS) are capable of recording transient strains caused by seismic waves such as P and S waves or strain seismograms. A...
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Article
Efficient production of ε-poly-l-lysine from agro-industrial by-products by Streptomyces sp. M-Z18
ε-Poly-l-lysine (ε-PL)—a natural food preservative with wide antimicrobial activity and high food safety—is increasingly attracting widespread attention. However, the high cost of raw materials severely impairs i...
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Article
Acidic pH shock induced overproduction of ε-poly-l-lysine in fed-batch fermentation by Streptomyces sp. M-Z18 from agro-industrial by-products
ε-Poly-l-lysine (ε-PL) is produced by Streptomyces as a secondary metabolite with wide industrial applications, but its production still needs to be further enhanced. Environmental stress is an important approach...
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Open Access This content is freely available online to anyone, anywhere at any time.
Article
Retraction Note: Meta-analysis of the effect of percutaneous coronary intervention on chronic total coronary occlusions
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Article
Optimization of the integrated citric acid–methane fermentation process by air stripping and glucoamylase addition
To solve the problem of extraction wastewater in citric acid industry, an integrated citric acid–methane fermentation process was proposed. In the integrated process, extraction wastewater was treated by mesop...
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Chapter
Community Discovery in Multi-Mode Networks
As social media becomes more feature-rich and the capability for interactions between users becomes more complex as a result, it may become necessary to expand the models used in data analysis to represent mor...
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Article
In vivo and in vitro decolorization of synthetic dyes by laccase from solid state fermentation with Trametes sp. SYBC-L4
Synthetic decolorization of dyes through solid cassava residue substrate fermentation with Trametes sp. SYBC-L4 via in vivo and in vitro processes was investigated in this study. Effects of pH and mediator (1-hyd...
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Article
Sources and the distribution of heavy metals in the particle size of soil polluted by gold mining upstream of Miyun Reservoir, Beijing: implications for assessing the potential risks
Mining has been carried out upstream of Miyun Reservoir, Beijing, for several decades, and has caused metal emissions to the environment, threatening human health. We conducted a soil survey to assess metal co...
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Article
Effect of Acetic Acid on Citric Acid Fermentation in an Integrated Citric Acid–Methane Fermentation Process
An integrated citric acid–methane fermentation process was proposed to solve the problem of extraction wastewater in citric acid fermentation process. Extraction wastewater was treated by anaerobic digestion a...
