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Article
The Micro-Structure and Electron Conduction Mechanism of Hydrogenated Nano-Crystalline Silicon Films
The hydrogenated nano-crystalline silicon (nc-Si:H) films have been deposited with PECVD method. The micro-structure of these films has been studied by TEM and HREM. The PECVD nc-Si:H films show fiber texture ...
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Article
Tantalite in Suzhou granite: Mineralogy and geological implications
Tantalite, occurring as intergranular tabular crystals, was reported for the first time in the Suzhou granite. Electron microprobe analyses show that it is rich in W and Ti, with a Ta/(Ta + Nb) ratio ranging f...
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Article
Biogenesis and binary mineralization of organism and chemism of polymetallic nodules from Pacific Ocean
The biogenic structure and biominerals in the polymetallic nodules reveal their biogenic origin. The experiment of the cation substitution capacity of synthetic 1 nm manganate suggests that chemism participate...
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Article
Influence of modifying additives on the catalytic activity and stability of Au/Fe2O3–MO x catalysts for the WGS reaction
The activity and stability of Au/Fe2O3–MO x catalysts (M = Zr, Mg, Ca, Ni, La, Cu, Zn, Al, Ba, Cr, Co, Ce, Mo, Bi, Ti, Mn) in water-gas shift reaction were investigated extensiv...
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Article
Improved Performance of Au/Fe2O3 Catalysts Promoted with ZrO2 and Nb2O5 in the WGS Reaction under Hydrogen-rich Conditions
Effect of addition of the ZrO2 and Nb2O5 promoters on the activity and stability of the Au/Fe2O3 catalysts in the WGS reaction under hydrogen-rich conditions was studied. Results showed that this new catalyst pos...
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Article
The effect of La on Au-ceria catalyst for water gas shift reaction
For Au-ceria catalysts prepared by deposition-precipitation method, catalytic performance of water gas shift reaction was studied in different La loadings. In the complete do** range, ceria retains with its ...
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Article
Water–Gas Shift Reaction Over Aluminum Promoted Cu/CeO2 Nanocatalysts Characterized by XRD, BET, TPR and Cyclic Voltammetry (CV)
A series of aluminum promoted Cu/CeO2 nanocatalysts with aluminum content in the range of 0–5wt.% were prepared by co-precipitation method and examined with respect to their catalytic performance for the water–ga...
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Article
Effect of Mg Addition on the Physical and Catalytic Properties of Cu/CeO2 for NO + CO Reduction
Copper catalysts supported on magnesia promoted ceria are synthesized and used for NO reduction by CO. The supports and the subsequent Cu catalysts are prepared by citric acid sol–gel and impregnation methods,...
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Article
Water–Gas Shift Reaction over CuO/CeO2 Catalysts: Effect of the Thermal Stability and Oxygen Vacancies of CeO2 Supports Previously Prepared by Different Methods
A series of CuO/CeO2 catalysts were prepared through a two-step process: (1) CeO2 supports were firstly prepared by precipitation (P), hydrothermal (HT) and sol-gel (SG) methods, respectively; and (2) CuO was dep...
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Article
A chemical platform for improved induction of human iPSCs
A cocktail of three small molecules improves the efficiency of reprogramming human fibroblasts to induced pluripotent stem cells and allows survival of the cells after trypsinization.
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Article
Activity of reducing steel slag of EAF
Reducing steel slag (RSS) was mainly acquired from five electric-arc furnace (EAF) steelmaking plants (among them, the products of two plants were carbon steel and those of other plants were stainless steel) f...
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Article
Clinical analysis of preoperative induction chemotherapy with gemcitabine combined with cisplatin for locally advanced non-small cell lung cancer
The purpose of this study was to assess the curative effect and adverse reaction of preoperative induction chemotherapy with gemcitabine combined with cisplatin for locally advanced non-small cell lung cancer ...
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Article
Open AccessFacile synthesis of SrCO3 nanostructures in methanol/water solution without additives
Highly dispersive strontium carbonate (SrCO3) nanostructures with uniform dumbbell, ellipsoid, and rod-like morphologies were synthesized in methanol solution without any additives. These SrCO3 were characterized...
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Article
Detection of 5-hydroxymethyl-2-furfural Levels in Selected Chinese Foods by Ultra-High-Performance Liquid Chromatograph Analytical Method
In this study, an ultra-high-performance liquid chromatography method was developed to detection the levels of 5-hydroxymethyl-2-furfural (HMF) in 227 selected food products obtained from the Chinese markets. ...
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Article
Passively Q-Switched Nd:YAG Laser with Multilayer Graphene as a Saturable Absorber
We demonstrate a passively Q-switched laser with multilayer graphene as a saturable absorber (SA). The multilayer graphene is prefabricated using the chemical vapor deposition (CVD) method and transferred onto th...
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Article
Analysis of DPPH inhibition and structure change of corn peptides treated by pulsed electric field technology
In this study, the effects on antioxidant activity and structure change of corn peptides (CPS) with 10 to 30 kDa molecular weight (MW) treated by pulsed electric field (PEF) technology were investigated. 2, 2–...
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Article
Markerless Deletion System for Escherichia coli Using Short Homologous Sequences and Positive–Negative Selectable Cassette
Red homologous recombination has been extensively used in recombineering. Because foreign sequences, such as antibiotic resistance genes, FRT-sites, or loxP-sites, are often unwanted in mutant Escherichia coli, w...
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Article
Open AccessInfection pattern and transmission potential of chikungunya virus in two New World laboratory-adapted Aedes aegypti strains
Chikungunya virus (CHIKV) is an emerging mosquito-borne virus belonging to the Togaviridae, which is transmitted to humans by Aedes aegypti and Ae. albopictus. We describe the infection pattern of CHIKV in two Ne...
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Article
Open AccessOverexpression of suppressor of zest 12 is associated with cervical node metastasis and unfavorable prognosis in tongue squamous cell carcinoma
Increased expression of suppressor of zest 12 (SUZ12), a core component of the polycomb repressive complex 2, contributes to human tumorigenesis and associates with patient prognosis. In the present study, we ...
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Article
PM2.5 emissions from different types of heavy-duty truck: a case study and meta-analysis of the Bei**g-Tian**-Hebei region
Bei**g-Tian**-Hebei (BTH) region in China is affected seriously by the hazy weather that has a large impact on human health. PM2.5 is one of the most important reasons for hazy weather. Understanding the PM2.5 ...
