This paper investigates the effect of annealing process on discharge performance aluminum air battery anode, results show that. The treatment after rolling can make grain anode be refined, and surface with lower morphology has Bi Pb precipitation, resulting in pitting corrosion. With increase morphology, element distribution is uniform, precipitated phase dissolved matrix, corrosion improved. At same time, fine reduces internal potential difference improves resistance anode. microstructure...

In this work, TiO 2 (B) nanotubes with uniform diameter were prepared by the simple route of hydrothermal synthesis, and graphene nanosheets added to form (B)/graphene nanocomposites, two kinds materials comparatively studied as anode materials. The morphology crystal structure X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM) transmission (TEM). electrochemical performance was evaluated galvanostatic chargedischarge tests. results show that nanocomposite...

Biomorphic hydroxyapatite (Bio-HA) was fabricated using extracted beech wood that impregnated with HA sol followed by sintering at 600~1300 °C for 2 hours. The extraction boiling 5% ammonia solution helpful to bring more pores benefit impregnation of the into templates. weight changes exacted sample gel, phase formation and microstructures evolution resulting products were investigated TGA, XRD SEM. main loss occurred below 600 °C. biomorphic sintered 1100~1300 three dimensions connective...

Hydrotalcites known as anionic clays are found in nature. Hydrotalcites, hydrotalcite-like compounds, and calcined hydrotalcites (as mixed or complex oxides) highly active, selective catalysts play an important role many base/catalyzed reactions. Mg/Al hydrotalcite (MAH) precursor was used to prepare metal oxides (MAO), epoxidation the current research. In this paper, some primary physical catalytic properties of MAH MAO were investigated. The results indicated that qualified (Mg/Al mol...

<i>Toxoplasma gondii</i> is a microscopic parasite that may infect humans, so there an increasing concern on the early detection of latent gondii </i>infection in recent years. We currently report rapid and sensitive method for based molecular beacon (MB) probe. The probe fluorescence resonance energy transfer (FRET) with stem-loop DNA oligonucleotide was labeled CdTe/ZnS quantum dots (energy donor) at 5' end BHQ-2 acceptor) 3' end, respectively. synthesized PBS buffer pH 8.2, room...

Objective To investigate the clinical and imaging features of myelin oligodendrocyte glycoprotein antibody(MOG) encephalomyelitis in children. Methods The clinical, laboratory finding, follow-up data 13 children with MOG (MOG-EM) diagnosed by Children′s Hospital Nanjing Medical University from December 2016 to 2018 were retrospectively analyzed. Results Among children, 4 cases male 9 female, median age was 8 years old 1 month.Symptoms first episode included fever, drowsiness 2...

In this paper, a novel bionic preparation of anode materials for lithium-ion batteries was reported. Butterfly wings were used as template to prepare three-dimensional (3D) TiO 2 materials. The final product maintained the 3D structure butterfly perfectly. morphology and crystal studied by X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM). electrochemical performance evaluated galvanostatic chargedischarge tests. results showed that porous is benefit high

In this study, different appearances, structures and morphologies of macro-clay G105-Polymer grade montmorillonite (PMMT) nanoclay Lithium magnesium silicate (LMSH) were compared analyzed, which used in conditions non-adsorption adsorption crystal violent (CV). Adsorption kinetics properties the macro/nanoclay CV solution studied, time, dye concentration environmental pH main factors on inspection work. The mechanisms macro-/nanoclay investigated. results showed that actions PMMT LMSH some...

Ni-B amorphous alloy particle is a newly promising candidate of catalyst for methanol electrooxidation in Direct Methanol Fuel Cell (DMFC). For enhancing catalytic activity and increasing surface area, mesoporous nanoparticles was manufactured by chemical reduction NiCl 2 KBH 4 via surfactant hexadecyltrimethyl ammonium bromide (CTAB) as an soft template. The effects the CTAB content feeding order on phase evolution, microstructure, area resulting products were investigated. Phase structure...

Three layers polyethylene (3PE) anti-corrosion coating was widely used in oil or gas transmission pipelines the world. Special HDPE (SHDPE) outer layer of 3PE coating, which is very important to performance whole system. However, till now fewer study about SHDPE crystallization have been reported. In this paper, characteristic and were investigated by differential scanning calorimetry (DSC), wide-angle X-ray diffraction (WAXD), modulated (MDSC). The results showed that, crystallinity lamella...

Chrome-free Dacromet coating is a green anti-corrosion technology. This paper studied the effects of nanoparticles TiO2 and SiO2 on coatings. The results shown addition nano-TiO2 (T-coating )improved physical properties corrosion resistance. nano-SiO2 (S-coating )was week bonded with zinc aluminium powders, resulting in poor properties.

A kind of novel magnetic fluorescent hollow nanoparticles with multi-layer shells by layer-by-layer self-assembly process was presented in this paper. Non-crosslinking poly(acrylic acid) (PAA) as core 250 nm diameters were prepared distillation-precipitation polymerization acetonitrile 2, 2'-Azobisisobutyronitrile (AIBN) initiator and without any stabilizer crosslinker. Then 4-vinylpyridine (4-VPy) monomer selfassembled on the surface PAA because hydrogen-bonding effect between carboxyl...

A polymer microspheres carried DNA probe, which was based on resonance energy transfer, presented in this paper when CdTe quantum dots(QDs) were as donors, Au nanoparticles accepters and poly(4- vinylpyrindine-co-ethylene glycol dimethacrylate) carriers. Polymer with functional group surfaces prepared by distillation-precipitation polymerization ethylene dimethacrylate crosslinker acetonitrile. QDs 3-mercaptopropionic acid(MPA) the stabilizer aqueous solution. Because of hydrogen-bonding...

<i>Toxoplasma Gondii</i> infection is widespread in humans worldwide and reported rates range from 3%-70%, depending on the populations or geographic areas, it has been recognized as a potential food safety hazard our daily life. A magnetic molecular beacon probe (mMBP), based theory of fluorescence resonance energy transfer (FRET), was currently to detect Toxoplasma Gondii DNA. Nano-sized Fe₃O₄ were primarily prepared by coprecipitation method aqueous phase with NaOH...

Orderly TiO 2 nanotube arrays (TNTs) with high surface area became a prospective catalyst support. TNTs were obtained by anodizing Ti plate, and then the Ni-Cu-B/TNTs electrodes prepared cyclic voltammetry electrodeposition (CVE) method. SEM, EDS electrochemical testing used to investigate microstructure catalytic performance for methanol electro-oxidation. Effects of time, CVE scanning rate times on electrooxidation studied. The results show shape Ni-Cu-B particles change from fusiform-like...

Ni foam with 3D porous structure has attracted attention in the field of catalysis. Expanding specific surface area is an important method to enhance its chemical properties. In this study, Cu-Ni/Ni were obtained by electroless plating copper on and then heat treatment for homogenizing at 750°C. The dealloying was carried out electrochemical etching obtaining hierarchical pore structure. microstructure, phase performance characterized SEM, XRD testing. results showed that optimized...