Search Results - Wang, Qian

In this survey, we provide a review of recent progresses in the local well-posedness problem of Einstein equations in (3+1)-D with low regularity and its applications.

The bevel gear of transmission of ball mill in a mine cracked affer 10 d of use, for this, the chemical composition, mechanical properties, microstructure and fracture morphology of ball mill gears were studied by means of direct reading spectrometer, tensile tester, Vickers hardness tester, metallo...

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[Objective] To explore the mental health status of medical personnel after occupational exposure by establishing two-factor mental health model, in order to provide empirical evidence for accurate assessment and graded intervention in the future. [Methods] From October 2019 to October 2022, convenie...

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In this study, a fluorescence sensor based on carbon dots was constructed for sensitive visual detection of heme chloride (HC) in foods. The new double-emission yellow-emitting carbon dots (y-CDs), synthesized by a one-step hydrothermal method using L-glutamic acid and o-phenylenediamine (OPD) as pr...

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In order to explore the electron spin and magnetic properties of amorphous alloy Fe-Ni binary system, and provide theoretical support for its macroscopic excellent magnetic properties, the cluster Fe3 Ni3 was designed as a local structure model. Based on density functional theory, full parameter opt...

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To solve the problem that fetal electI·ocardiogram is difficult to extract when there are motlier electrocardiogram and fetal electrocardiogram coincidence in the time domain of maternal abdominal electrocardiography, a modified matched filtering method is proposed for coincidence detection. The met...

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Rice should be harvested in the best harvest period, either too early or too late, as this can affect quality. In this study, Nanjing 3908 was used to investigate the differences in basic component contents, gelatinization characteristics, thermodynamic characteristics, molecular weight, short-range...

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Based on density functional theory (DFT),the clusterNiCo2S4was optimized at B3LYP/Lan12dz level in order to determin eleven optimized configurations and analyze their polarity and bonding properties.The results showed that the polarity of configuration 1(3) is the largest and the polarity of conf...

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[Objective] With the rapid development of urban rail transit in China, the excavation depth of station foundation pit diaphragm wall is increasing continuously, and the soil layers that are excavated through is becoming more complex. The direct object of diaphragm wall grab trenching is the soil, an...

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In order to explore the paramagnetic properties of CrPS4 at a temperature of 298.15K, and to contribute theoretical basis for subsequent research and applications. The article is based on density functional theory, using B3LYP functional and def2-tzvp basis set, using Gaussian09 quantum chemistry...

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Objective To investigate the distribution patterns and risk factors for multidrug-resistant bacterial pulmonary infections in patients with oral squamous cell carcinoma (OSCC) undergoing flap reconstruction surgery, and to provide evidence for infection prevention and treatment in this population. M...

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Glycoside hydrolases such as glucanase and xylanase are important components of enzyme preparations that can hydrolyze and ablate non-starch polysaccharide antinutritional factors in feed. According to the metatranscriptomic data obtained previously from rumen microbiota in Hu sheep, a novel bifunct...

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Glucanase is an important additive with significant application value in feed, food, and textile industries. In this study, the IDSGH5-50 gene was amplified from the rumen microbiota cDNA of Hu sheep and heterologously expressed in Escherichia coli BL21 (DE3) to investigate its enzymatic properties...

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