Wyniki wyszukiwania dla: Chenglong Yu

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Optimization design of a new hybrid magnetic circuit motor

Mingling Gao, Shilong Yan, Chenglong Yu, Wenjing Hu, więcej

Archives of Electrical Engineering > 2024 > Vol. 73, nr 1 > 201--218

The combination of permanent magnets and electrically excited windings creates an air gap magnetic field. The development of a hybrid magnetic circuit motor with an adjustable magnetic field is of great significance. This article introduces a hybrid magnetic circuit motor design that combines salient pole electromagnetic and permanent magnets. A tubular magnetic barrier has been designed to reduce...

artykuł

Reply to: Comments on “Methylation scores for smoking, alcohol consumption and body mass index and risk of seven types of cancer”

Pierre‐Antoine Dugué, Chenglong Yu, Allison M. Hodge, Ee Ming Wong, więcej

International Journal of Cancer > 153 > 8 > 1545 - 1546

artykuł

Synthesis of corncob biochar with high surface area by KOH activation for VOC adsorption: effect of KOH addition method

Dan He, Jianfu Wu, Chenglong Yu, Bichun Huang, więcej

Journal of Chemical Technology & Biotechnology > 98 > 8 > 2051 - 2064

BACKGROUND Carbon materials have been regarded as valuable adsorbents for removal of volatile organic compounds (VOCs) owing to their high specific surface area and abundant pore structure. However, the complexity and high cost of the process used to treat the feedstock to produce commercial activated carbon has limited its application. In this reported study, a series of biochar materials was prepared...

artykuł

Methylation scores for smoking, alcohol consumption and body mass index and risk of seven types of cancer

Pierre‐Antoine Dugué, Chenglong Yu, Allison M. Hodge, Ee Ming Wong, więcej

International Journal of Cancer > 153 > 3 > 489 - 498

Methylation marks of exposure to health risk factors may be useful markers of cancer risk as they might better capture current and past exposures than questionnaires, and reflect different individual responses to exposure. We used data from seven case‐control studies nested within the Melbourne Collaborative Cohort Study of blood DNA methylation and risk of colorectal, gastric, kidney, lung, prostate...

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Lotus leaves‐derived MnO_x/biochar as an efficient catalyst for low‐temperature NH₃‐SCR removal of NO_x: effects of modification methods of biochar

Xuehui Jia, Ruosi Peng, Huajun Huang, Junhui Dan, więcej

Journal of Chemical Technology & Biotechnology > 97 > 11 > 3100 - 3110

In this reported work, lotus leaves‐derived biochar (LBC) was modified using various chemical methods. LBC prepared by different modification methods was used as the carrier for the development of low‐temperature selective catalytic reduction (SCR) catalysts. A comparative study of low‐temperature SCR manganese catalysts based on LBC chemically modified using NaOH, HNO₃ and hexadecylcetyltrimethylammonium...

artykuł

The sedimentary characteristics and depositional evolution in the Middle Jurassic Xishanyao Formation, Southeastern Xiayan Rise, Junggar Basin, NW China

Jing Chen, Naixiang He, Yi Wang, Lei Fu, więcej

Geological Journal > 57 > 6 > 2221 - 2234

The significant hydrocarbon discoveries have been found during the past few years in Middle Jurassic Xishanyao Formation in Southeastern Xiayan Rise, Junggar Basin. The braided delta front deposits and shore‐shallow lacustrine deposits are well preserved in Xishanyao Formation, their history being documented by integrated analysis of seismic volumes and borehole datasets (wireline logs, cores, grain...

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Surface modification of polyvinyl alcohol (PVA)/polyacrylamide (PAAm) hydrogels with polydopamine and REDV for improved applicability

Yufen Wu, Chenglong Yu, Meiyi Xing, Lu Wang, więcej

Journal of Biomedical Materials Research Part B: Applied Biomaterials > 108 > 1 > 117 - 127

Developing a small‐diameter vascular graft with a satisfactory performance in terms of mechanical and biological properties remains a challenging issue because of comprehensive requirements from clinical applications. Polyvinyl alcohol (PVA)/polyacrylamide (PAAm) hydrogels exhibit many desirable characteristics for small‐diameter vascular grafts because of their tunable mechanical properties, especially...

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On a two-dimensional risk model with time-dependent claim sizes and risky investments

Ke-Ang Fu, Chenglong Yu

Journal of Computational and Applied Mathematics > 2018 > 344 > C > 367-380

Consider a two-dimensional risk model, in which two insurance companies divide between them the claims in some specified proportions. Suppose that the claim sizes and inter-arrival times form a sequence of independent and identically distributed random pairs, with each pair obeying a dependence structure, and the surpluses of the two companies are invested into portfolios whose returns follow two...

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A prediction model for frequency spectrum of blast‐induced seismic wave in viscoelastic medium

Chenglong Yu, Zhongqi Wang, Wengong Han

Geophysical Prospecting > 66 > S1 > 87 - 98

A prediction model for frequency spectrum of blast‐induced seismic waves is established. The effect of explosive sources is considered in this model. Our model implies that the frequency spectrum of blast‐induced seismic wave is mainly influenced by the initial pressure and the adiabatic exponent of explosives. The dominant frequency increases with the decreasing of initial pressure or the increasing...

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Response of the water use efficiency of natural vegetation to drought in Northeast China

Dan Liu, Chenglong Yu, Fang Zhao

Journal of Geographical Sciences > 2018 > 28 > 5 > 611-628

Drought has become a problem that is universally faced by global terrestrial ecosystems. Northeast China is located in a region sensitive to global climate changes, and one of the main impacts of climate changes in Northeast China is manifested as drought in growing seasons. This study analyzes the spatio-temporal evolution law of the water use efficiency (WUE) of the main natural vegetation (i.e...

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The synergistic effects of cerium presence in the framework and the surface resistance to SO2 and H2O in NH3-SCR

Yinming Fan, Wei Ling, Bichun Huang, Lifu Dong, więcej

Journal of Industrial and Engineering Chemistry > 2017 > 56 > C > 108-119

Mn-Ce/CeAPSO-34 was prepared, in which cerium was incorporated in the SAPO-34 framework through using a one-step hydrothermal method, while manganese and cerium were supported on the surface by the Ethanol dispersion method. The conversion of NO_x in selective catalytic reaction with NH₃(NH₃-SCR) over Mn-Ce/CeAPSO-34 catalyst reached nearly 97.7% at 140°C and remained about 100% in the temperature...

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Evaluating Nonlinear Sorption of Four Substituted Phenols to Agriculture Soils Using Expanded Polyparameter Linear Free Energy Relationship

Chenglong Yu, Erping Bi

Water, Air, & Soil Pollution > 2017 > 228 > 11 > 1-11

Nonlinear sorption of substituted phenols (degradation products of several pesticides) onto soils was often observed. This sorption nonlinearity at low solute concentration ranges could result in higher soil organic carbon-water distribution coefficient (K_oc) values than those predicted by their hydrophobicity (K_ow). In this study, nonlinear sorption characteristic of four substituted phenols (2,6-dimethylphenol,...

artykuł

Investigation of copy number variation in subjects with major depression based on whole-genome sequencing data

Chenglong Yu, Bernhard T. Baune, Ma-Li Wong, Julio Licinio

Journal of Affective Disorders > 2017 > 220 > C > 38-42

Despite recent intensive research using genome-wide association studies, the underlying biological basis of major depressive disorder (MDD) still remains unknown. In contrast to genotyping platforms which identify specific variations, whole-genome sequencing (WGS) allows us to detect all private genetic variations within an individual. So far there have been no studies investigating copy number variations...

artykuł

A CeO2-MnOx core-shell catalyst for low-temperature NH3-SCR of NO

Shihui Li, Bichun Huang, Chenglong Yu

Catalysis Communications > 2017 > 98 > C > 47-51

A CeO₂-MnO_x catalyst with a core-shell structure was prepared by a chemical deposition method and tested towards the low-temperature selective catalytic reduction of NO by NH₃. The catalyst with a molar ratio of CeO₂/MnO_x=0.6, exhibited a relatively high conversion values of NO in the 110–220°C range and good resistance to SO₂ and H₂O at the space velocity of 40,000h⁻¹. The excellent catalytic performance...

artykuł

Whole-genome single nucleotide variant distribution on genomic regions and its relationship to major depression

Chenglong Yu, Bernhard T. Baune, Julio Licinio, Ma-Li Wong

Psychiatry Research > 2017 > 252 > C > 75-79

Recent advances in DNA technologies have provided unprecedented opportunities for biological and medical research. In contrast to current popular genotyping platforms which identify specific variations, whole-genome sequencing (WGS) allows for the detection of all private mutations within an individual. Major depressive disorder (MDD) is a chronic condition with enormous medical, social and economic...

artykuł

Effect of Pr/Ce addition on the catalytic performance and SO2 resistance of highly dispersed MnOx/SAPO-34 catalyst for NH3-SCR at low temperature

Chenglong Yu, Bichun Huang, Lifu Dong, Feng Chen, więcej

Chemical Engineering Journal > 2017 > 316 > C > 1059-1068

Based on ionic polarization, a series of MeO_x-MnO_x/SAPO-34 (Me=Pr or Ce) catalysts were prepared by a simple solvent dispersion method and their low temperature ammonia-selective catalytic reduction (SCR) performance were tested with and without SO₂. The highly dispersed MnO_x/SAPO-34 catalyst was doped with Pr and showed better low temperature catalytic activity (140–280°C) than that of the Ce-modified...

artykuł

A new approach to improve the local compressive properties of PPDO self-expandable stent

Fan Zhao, Wen Xue, Fujun Wang, Chenglong Yu, więcej

Journal of the Mechanical Behavior of Biomedical Materials > 2017 > 68 > C > 318-326

The radial performance of bioabsorbable polymeric intravascular stents is extremely important in assessing the efficiency of these devices in expanding narrow lumen, reducing stent recoil, and recovering to their original states after suffering from pulsating pressure. However, these stents remain inferior to metallic stents. Several thermal treatment conditions (60°C, 80°C, and 100°C for 1h) were...

artykuł

In situ FT-IR study of highly dispersed MnOx/SAPO-34 catalyst for low-temperature selective catalytic reduction of NOx by NH3

Chenglong Yu, Bichun Huang, Lifu Dong, Feng Chen, więcej

Catalysis Today > 2017 > 281 > P3 > 610-620

To investigate the mechanism of low temperature selective catalytic reduction (SCR) of NO_x by NH₃, highly dispersed MnO_x/SAPO-34 catalyst was prepared by an improved molecularly designed dispersion (MD) method and evaluated at 100–300°C. The 20wt.% MnO_x/SAPO-34 showed both high SCR activity and N₂ selectivity over a broad temperature window of 150–300°C. Also, the catalyst was characterized by X-ray...

artykuł

Manganese-rich MnSAPO-34 molecular sieves as an efficient catalyst for the selective catalytic reduction of NO_x with NH₃: one-pot synthesis, catalytic performance, and characterization

Chenglong Yu, Feng Chen, Lifu Dong, Xiaoqing Liu, więcej

Environmental Science and Pollution Research > 2017 > 24 > 8 > 7499-7510

Manganese-rich MnSAPO-34 molecular sieves were prepared by one-pot synthesis method for NO_x abatement using the ammonia-selective catalytic reduction (NH₃-SCR) technology and characterized using ICP, BET, XRD, FE-SEM, H₂-TPR, NH₃-TPD, XPS, and DR UV-Vis analyses. The experimental results indicate that the Mn content and chemical state, as well as the surface acidity, of the MnSAPO-34 molecular sieves...

artykuł

NaSr2Nb5O15:0.03Eu3+ phosphors via the molten salt synthesis: Morphology evolution and luminescence properties

Shuyao Cao, Qingju Ning, Chenglong Yu, Changjun Qiao, więcej

Journal of Alloys and Compounds > 2017 > 691 > C > 323-338

The rod-like NaSr₂Nb₅O₁₅: 0.03Eu³⁺ phosphors have been synthesized via the molten salt synthesis (MSS). The as-prepared phosphors were characterized by X-ray diffraction (XRD), Field emission scanning electron microscope (FE-SEM), Energy dispersive X-ray analysis (EDAX), Transmission electron microscope (TEM), High-resolution transmission electron microscope (HRTEM), UV–Vis–NIR spectrophotometer and...

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