Publications by authors named "Shuangming Wang"
Article Synopsis
- * A new strategy involving iron incorporation in CoO porous structures results in excellent gas selectivity for trimethylbenzene, along with high sensitivity, stability, and quick response times.
- * Research shows that the performance of the sensor is influenced by the number of hydrogen substituents on benzene rings, and density functional theory calculations indicate that strong interactions and charge transfer significantly enhance sensing capabilities.
Article Synopsis
- The performance of semiconductor sensors depends on factors like reaction kinetics and electron mobility, which are influenced by electron motion, making electronic state regulation vital for gas sensing.* -
- Traditional methods to improve gas sensing often involve complex material changes with limited success, highlighting the need for innovative solutions.* -
- A new strategy using magnetic fields significantly enhances gas sensing performance, with InO nanocubes exhibiting a 2.5 times better response to formaldehyde when a magnetic field is applied, primarily due to improved magnetization of materials.*
A rock fracture test is a very important method in the study of rock mechanics. Based on the Mechanics Test System (MTS), the dynamic strain response of the failure process of cylindrical granite specimens under uniaxial compression was observed by using distributed optical fiber strain sensors. Two groups of tests were designed and studied for rock sample fracturing.
View Article and Find Full Text PDFConstructing p-n heterojunction is considered as an effective approach to improve gas-sensing performance of nanomaterials, and the general focus is that the formation of a p-n junction can effectively broaden the electron-depletion layer, enhancing the amount of the adsorption oxygen, and being beneficial to the improvement of the gas-sensing performance. However the widening of the depletion layer can only contribute to the improvement of the sensitivity, the effect of p-n junction on other sensing parameters is still not well understood. Herein, the InO/CoO core/shell hierarchical heterostructures (InO/CoO HHS) are investigated to discern how p-n junction alters the sensing process.
View Article and Find Full Text PDFIn situ high pressure and high temperature (HPHT) study has been carried out on C/ferrocene (Fc) in order to detect the process of polymerization and reveal the polymerization mechanism. Pristine C was also studied under same conditions for comparison. In both cases, similar types of polymers can be observed after pressure and temperature release, but with different fractions, i.
View Article and Find Full Text PDFCrystal structures of (E)-3-(furan-2-yl)-2-phenyl-N-tosyl-acryl-amide and (E)-3-phenyl-2-(m-tol-yl)-N-tosyl-acryl-amide.
Acta Crystallogr E Crystallogr Commun
June 2016
In the title N-tosyl-acryl-amide compounds, C20H17NO4S, (I), and C23H21NO3S, (II), the conformation about the C=C bond is E. The acryl-amide groups, [-NH-C(=O)-C=C-], are almost planar, with the N-C-C=C torsion angle being -170.18 (14)° in (I) and -168.
View Article and Find Full Text PDFArticle Synopsis
- Actinomorphic tubular ZnO/CoFe(2)O(4) nanocomposites were successfully created using a low-temperature solution method, characterized by various advanced techniques including XRD and TEM.
- The nanocomposites were mixed with phenolic resin and applied to a metal plate to test microwave absorption effectiveness.
- The results revealed an impressive microwave absorption performance, peaking at 28.2 dB within a frequency range of 2 to 18 Hz, indicating the composites' high efficiency for this application.