HU Ya

Wuhan University of Science and Technology

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Lin Wu

Singapore University of Technology and Design

Kui‐Qing Peng

Beijing Normal University

Baoguo Zhang

Wuhan University of Science and Technology

Zhiyuan Liao

Chinese Academy of Sciences

Yilai Zhou

Nanjing University of Aeronautics and Astronautics

Shuit‐Tong Lee

Soochow University

Ling Tong

Huainan Normal University

Shasha Shu

Wuhan University of Science and Technology

Xiaoyu Yang

Tianjin University

Jinhui Xu

National University of Singapore

Cooperative Institutions

Wuhan University of Science and Technology

Chinese Academy of Sciences

University of Chinese Academy of Sciences

Zhejiang University

Sichuan University

Huazhong University of Science and Technology

Guangxi University

Xi'an Jiaotong University

Chongqing University

Ministry of Agriculture and Rural Affairs

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Study on preparation and corrosion resistance of graphene oxide modified polyurethane resin

IOP Conference Series Materials Science and Engineering (2018)

Shasha Shu Lin Wu HU Ya Kun Tong Qi Zhang

In this paper, isophorone diisocyanate is used to modified with graphene oxide, in which the isocyanate group can react with the oxygen-containing functional group in the graphene oxide. Then we can obtain the modified graphene oxide, thereby allowing the occurrence of grafting reaction on the graphene oxide and the polyurethane resin. Scanning electron microscopy, Fourier transform infrared spectroscopy, neutral salt spray test and electrochemical test are used to characterize the structure and properties of the modified graphene oxide and polyurethane coatings.

Isophorone diisocyanate

Isocyanate

Salt spray test

10.1088/1757-899x/423/1/012081

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Citations (1)

ガスジェットによるロケット発射システムの振動特性解析【JST・京大機械翻訳】

Huoli Yuzhihui Kongzhi (2016)

Li Jun Yu Simiao Liu Qing HU Ya Zhou Weihao

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Comparative study on mirtazapine and paroxetine in the treatment of depression

The Journal of Clinical Psychiatry (2006)

HU Ya

Objective:To evaluate the efficacy and side effect of mirtazapine in the treatment of depression. Method:56 out-patients and in-patients were divided to two groups,treated by mirtazapine and paroxetine respectively for 6 weeks.Hamilton depression scale (HAMD),clinical global inpression scale severity of illness (CGI-SI) and treatment emergent symptom scale(TESS)were used to evaluate the effecacy and side effect. Results:Scores of HAMD and CGI-SI were significantly lower in mirtazepine group than those in paroxetine group in 1 and 2 weeks after treatment (P005).Both groups were similar in efficacies at the end of treatment.Side effects of both groups were mild. Conclusion:Mirtazapine is a safe and effective antidepressant.It has faster efficacy.

Mirtazapine

Paroxetine

Hamilton depression scale

Depression

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Energy-saving Principle and Application of Far Infrared Radiation Heating Technology

Infrared Technology (2002)

HU Ya

Properties of far infrared radiation heating technology were introduced.Application of far infrared enerey saving coating can raise the radiative efficiency of heated surface,strenthen the radiant heat exchange, then save the energy. Combining the pratice in Daqing oil filed,far infrared radiation energy saving coating was propected.

Radiant energy

Infrared heater

Radiant heat

Radiative Cooling

Thermal Radiation

Energy exchange

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Implication of peripheral blood thymus-and activation-regulated chemokine determination in children with bronchiolitis

Huazhong yixue zazhi (2009)

HU Ya

Objective To explore the clinical significance of peripheral blood thymus-and activation-regulated chemokine(TARC)determination in infants with bronchiolitis.Methods The level of TARC was determined in the infants with bronchiolitis in the acute and recovery stages,and the infants with no-wheezing pneumonia by ELISA.Results TARC levels in the infants with bronchiolitis in acute stage were higher than those in no-wheezing pneumonia group(P0.01).The TARC levels in the infants with bronchiolitis in the convalescent stage were lower than those in acute stage(P0.01),but higher than those in no-wheezing pneumonia group(P0.05).Conclusion The TARC is elevated in bronchiolitis,and TARC may participate in the pathogenesis of bronchiolitis.TARC receptor antagonist may play an important role in the treatment of bronchiolitis.

Pathogenesis

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Analysis of affecting factors of wearing resistance of surfacing layer

Shenyang Gongye Daxue xuebao (2002)

HU Ya

In general, the hardness is considered as a standard of wearing resistance of surfacing layer, but there is not a simple corresponding relation between hardness and wearing resistance. Hardness can not be regarded as the criterion of wearing resistance of surfacing layer. Wearing resistance of surfacing alloy is affected by many factors, including hardness, alloying element and structure. In this article these factors are analyzed systematically.

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Component Design of Environmentally Friendly High-Temperature Resistance Coating for Oriented Silicon Steel and Effects on Anti-Corrosion Property

Coatings (2022)

Ying Liu Lin Wu Ao Chen Chang Xu Xiaoyu Yang

Oriented silicon steel is vital for power transformer cores, while the high-temperature annealing process limits the industrialization of environmentally friendly coatings on the surface. In this paper, the high-temperature binders Al(H2PO4)3 solution and silica sol were introduced innovatively. They condensed into macromolecular polymer chains, network structures and SiO2 particles at high temperatures, providing high-temperature stability and adhesion. The influence of types of silica sol, additives and functional fillers on the corrosion resistance of the coating was studied. The prepared environmentally friendly inorganic insulating coating for oriented silicon steel has excellent corrosion resistance after curing at 475 °C and annealing at 800 °C, which was matched with the currently rolling process of oriented silicon steel. The salt-spray resistance can last for more than 24 h and up to 72 h.

Environmentally Friendly

10.3390/coatings12070959

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Multifunctional carboxylated cellulose nanofibers/exfoliated bentonite/Ti3C2 aerogel for efficient oil adsorption and recovery: The dual effect of exfoliated bentonite and MXene

Chemical Engineering Journal (2023)

Rui Tang HU Ya Jingyuan Yan Shiqi Xu Yinlong Wang

BTEX

Bentonite

Thermal Stability

Nanocellulose

Halloysite

10.1016/j.cej.2023.145412

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Citations (23)

Pragmatic wave equations and their potential equations of a saturated porous micropolar medium

Chinese Journal of Geophysics (2005)

HU Ya

Soil is a porous medium made of rigid grains in the microscale and has an obvious grain behavior. It becomes a saturated soil when pores between soil grains are filled with water or oil. When the porous solid skeleton is approximately taken as a micropolar medium and the fluid in the pores a point medium, the elastic pragmatic wave equations in a saturated porous micropolar medium are obtained from the results of the micropolar theory and those of Biot's pragmatic wave theory. The relations between the parameters of the saturated porous micropolar theory and those of the corresponding one_phase medium are established by means of the Greetsma theory. It has merits that the physics parameters in our dynamic equations of the saturated porous micropolar medium have a definite physics meaning and are easy to be tested in laboratory. The dynamical equations are then simplified as the potential equations with the aid of the field theory and the dispersion equations of five elastic waves propagating in the saturated porous micropolar medium are established. Finally, the propagating characteristics of the five harmonic body waves in the saturated micropolar porous medium are investigated by numerical methods. The result showns that the dispersion curves of the velocities of P_1 wave, P_2 wave and shear S_1 wave are similar to those in the classical saturated porous medium. When frequency is lower than the critical frequency ω_0,either the rotation longitude θ wave or the rotation transverse S_2 wave does not exist. When the frequency is greater than the critical frequency ω_0,θ wave and S_2 wave both arise and their velocities decrease with increasing frequency.

Biot number

Microscale chemistry

Dispersion relation

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In situ reduction of graphene oxide to improve the thermal and wettability properties of urea-melamine-modified phenol formaldehyde resin composites

Materials Research Express (2018)

Cao Wu Zhaofeng Chen Fei Wang HU Ya Enhui Wang

In this article, the samples of graphene oxide-urea-melamine-modified phenol formaldehyde resin (GO/UMPF) were prepared by in situ polymerization and co-condensation reactions with enhanced properties. Fourier transform infrared (FTIR), Xray photoelectron spectroscopy (XPS), Raman spectroscopy (Raman), and x-ray diffraction (XRD) analyses shown that the graphene oxide (GO) reduced by urea-melamine-modified phenol formaldehyde resin (UMPF). Scanning electron microscopy (SEM) and optical investigation were used to analyze the morphology and dispersibility of GO/UMPF. Thermogravimetry analysis (TG) and water contact angle (WCA) were used to research the thermal and anti-wettability performances of GO/UMPF with different GO contents. The results presented that the GO was reduced to reduced graphene oxide (RGO) due to phenol and adhesive phenol on the surface of RGO, which leads to the generation of UMPF on the RGO cover and the well dispersibility of RGO/UMPF solution. The RGO has improved the thermal and anti-wettability properties of UMPF significantly. It was found that only 0.5 wt % loading of GO could increase the carbon residual value of pure UMPF by 20%. WCA of GO/UMPF increased by 19.23° with the GO loading increasing to 0.3 wt%.

Urea-formaldehyde

Melamine resin

10.1088/2053-1591/aaeaaf

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Citations (12)