Inorganics

A Novel Criterion of Mixing Time in Gas-Stirred Ladle Systems
A novel criterion of mixing time in gas-stirred ladle systems was proposed in this paper. The essential difference between the previous criterion and the present one is that the former is based on the concentration itself while the latter is based on the variation rate of the concentration, which reflects the mixing efficiency directly. Experiment was carried out in an acrylic glass vessel with...


Effects of lactoferrin on intestinal epithelial cell growth and differentiation: an in vivo and in vitro study
This study was designed to analyse the effects of human (h) and bovine lactoferrin (bLF) on the growth and differentiation of intestinal cells using the mice model supplemented with Lactoferrin (LF) and the enterocyte-like model of Caco-2 cells which spontaneously differentiate after confluency. In mice, bLF supplementation increased jejunal villus height and the expression of several intestina...
Hot deformation behavior and constitutive model of TC18 alloy during compression
The hot deformation behavior of TC18 alloy at strain rates ranging from 1 × 10−4 to 1 × 10−2 s−1 and temperatures ranging from 25 to 800 °C was studied using a WDW-300 electronic universal testing machine. The relationships between true stress and true strain show that flow stress decreases with the increase of temperature and increases as strain rate increases. The effect of str...


Significance and interaction of bonding parameters with bonding ratio in press bonding of TC4 alloy
The variation of bonding ratio in the press bonding of TC4 alloy at temperatures from 850 to 900 °C, pressures from 10 to 30 MPa, and time from 5 to 15 min was investigated. The bonding ratio increases with the increase of temperature, time and pressure. The maximum bonding ratio, i.e. 98 %, can be obtained at 900 °C, 30 MPa and 15 min. The significance and interaction of bonding param...
Technological conditions for purification of hafnium by iodide process
In nuclear industry, the purity of hafnium control rod is usually significant, and the process parameters will affect the impurity contents. In this study, the four key factors (filament temperature, retort materials, feeds, and iodide reaction time) were investigated. It is found that the impurity contents of Fe, Ni in the hafnium crystal bar decrease with the K value rising. Both the retort m...


Reduction of Fe concentration in Al–4Si–1Fe–1Cu–0.5Zn–0.5Mn alloys with S
In this article, the effect of sulfur on the reduction of Fe concentration in aluminum alloy scraps was investigated. The iron content decreases from 1.224 wt% to ...
Improvement of photocatalytic activity of high specific surface area graphitic carbon nitride by loading a co-catalyst
Graphitic carbon nitride (g-C3N4) was synthesized by heating melamine and was then treated with sodium hydroxide solution under a hydrothermal condition to obtain g-C3N4 with a large specific surface area (HSSA). HSSA shows higher photocatalytic activity for decomposition of acetaldehyde than that of original g-C3N4. HSSA was modified with RuO2 as a co-catalyst by the impregnation method. HSSA ...

Morphology evolution and crystallographic feature of Nb nanowire in an in-situ NiTi-Nb nanocomposite
In–situ NiTi shape memory alloy–Nb nanowire nanocomposite was revealed to exhibit exceptional mechanical properties. The properties of high strength and ultra-large elastic strains are closely related with the high performance of in situ-formed Nb nanowire reinforcements. In this study, the morphology evolution and crystallographic feature of Nb nanowires in NiTi shape memory alloy matrix d...
Fabrication of LSGM thin films on porous anode supports by slurry spin coating for IT-SOFC
La0.9Sr0.1Ga0.8Mg0.2O3−δ (LSGM) and La0.7Sr0.3Cr0.5Mn0.5O3−δ (LSCM) powders were synthesized by glycine-nitrate process, and LSGM electrolyte thin film was successfully fabricated on porous anode substrate of LSCM by slurry spin coating technology. Some technical parameters for the preparation of LSGM thin films were systematically investigated, including ink composition, sintering temper...

Preparation of Mo2C nanoparticles dispersion-strengthened copper-based composite by EB-PVD
In this research, a nano-Mo2C particle dispersion-strengthened copper alloy was prepared by a novel method, i.e., electron beam physical vapor deposition (EB-PVD) which has advantages of simple technical process and low cost compared with the conventional mechanical alloying method. And the microstructure and properties of the material were investigated. The results show that the copper matrix ...
Improved mechanical properties of Ni-rich Ni3Al coatings produced by EB-PVD for repairing single crystal blades
Active control of turbine blade tip clearance for aircraft engine continues to be a concern in engine operation, because turbine blades are subjected to wear and therefore cause an increasing tip clearance between the rotating blades and the shroud and also reduce the engine efficiency. In this work, a Ni-rich Ni3Al coating with γ′/γ two-phase microstructure was deposited by electron beam p...

Solubility Enhancement of Ezetimibe by a Cocrystal Engineering Technique
The present study illustrates the formation and characterization of three different cocrystals of ezetimibe using methyl paraben as a coformer, employing three different processes, namely, solution crystallization, liquid assisted grinding, and reaction crystallization. Thermal analysis by differential scanning calorimetry (DSC) and thermogravimetric analysis were used as a primary analytical t...
Steroidal Wheel-and-Axle Host Type Molecules: Insights from Awkward Shape, Conformation, Z′ > 1 and Packing
The synthesis and crystal structure of three new molecular rotors derived from levonorgestrel and norethisterone are reported. The conformation, close contacts, and shape characteristics of these molecules exhibiting Z′ = 2 and the inclusion of solvent molecules were analyzed together with the crystal structures of parent molecules retrieved from the Cambridge Structural Database. For the set...
Application of the Donor–Acceptor Concept to Intercept Low Oxidation State Group 14 Element Hydrides using a Wittig Reagent as a Lewis Base
This article outlines our attempts to stabilize the Group 14 element dihydrides, GeH2 and SnH2, using commonly employed phosphine and pyridine donors; in each case, elemental Ge and Sn extrusion was noted. However, when these phosphorus and nitrogen donors were replaced with the ylidic Wittig ligand Ph3P═CMe2, stable inorganic methylene complexes (EH2) were obtained, demonstrating the utility...
Heteroepitaxy of Ga2(1-x)In2xO3 layers by MOVPE with two different oxygen sources
Ga2(1-x)In2xO3 epitaxial layers have been grown on (0001) Al2O3 substrates by metal organic vapour phase epitaxy (MOVPE). The process parameters were optimized and the effects related to the use of two alternative oxygenation sources like O2 and H2O were studied. Different In content x [x = In/(In + Ga)] were investigated in order to determine the In solubility limit in β-Ga2O3. By using p...