Search results for: Jin-yan Li

Items from 1 to 20 out of 36 results

article

Cover Image, Volume 95, Number 1, January 2023

Qiong Wang, Sheng‐Bao Ye, Zhi‐Jian Zhou, Jin‐Yan Li, more

Journal of Medical Virology > 95 > 1 > n/a - n/a

Front Cover Caption: The cover image is based on the Research Article Key mutations on spike protein altering ACE2 receptor utilization and potentially expanding host range of emerging SARS‐CoV‐2 variants by Qiong Wang et al., https://doi.org/10.1002/jmv.28116.

article

Key mutations on spike protein altering ACE2 receptor utilization and potentially expanding host range of emerging SARS‐CoV‐2 variants

Qiong Wang, Sheng‐Bao Ye, Zhi‐Jian Zhou, Jin‐Yan Li, more

Journal of Medical Virology > 95 > 1 > n/a - n/a

Increasing evidence supports inter‐species transmission of SARS‐CoV‐2 variants from humans to domestic or wild animals during the ongoing COVID‐19 pandemic, which is posing great challenges to epidemic control. Clarifying the host range of emerging SARS‐CoV‐2 variants will provide instructive information for the containment of viral spillover. The spike protein (S) of SARS‐CoV‐2 is the key determinant...

article

Receptor utilization of angiotensin‐converting enzyme 2 (ACE2) indicates a narrower host range of SARS‐CoV‐2 than that of SARS‐CoV

Qiong Wang, Ye Qiu, Jin‐Yan Li, Ce‐Heng Liao, more

Transboundary and Emerging Diseases > 68 > 3 > 1046 - 1053

Coronavirus (CoV) pandemics have become a huge threat to the public health worldwide in the recent decades. Typically, severe acute respiratory syndrome CoV (SARS‐CoV) caused SARS pandemic in 2003 and SARS‐CoV‐2 caused the ongoing COVID‐19 pandemic. Both viruses are most likely originated from bats. Thus, direct or indirect inter‐species transmission from bats to humans is required for the viruses...

article

Detection and genome characterization of two novel papillomaviruses and a novel polyomavirus in tree shrew (Tupaia belangeri chinensis) in China

Ping Liu, Ye Qiu, Cheng Xing, Ji-Hua Zhou, more

Virology Journal > 2019 > 16 > 1 > 1-12

Background Papillomaviruses (PVs) and polyomaviruses (PyVs) infect diverse vertebrates including human and cause a broad spectrum of outcomes from asymptomatic infection to severe disease. There has been no PV and only one PyV detected in tree shrews, though the genomic properties of tree shrews are highly similar to those of the primates. Methods Swab and organ samples of tree shrews collected...

article

Thermodynamic evaluation of reaction abilities of structural units in Fe–C binary melts based on atom–molecule coexistence theory

Xue-min Yang, Jin-yan Li, Dong-ping Duan, Fang-jia Yan, more

Journal of Iron and Steel Research International > 2018 > 25 > 1 > 37-56

The reaction abilities of structural units in Fe–C binary melts over a temperature range above the liquidus lines have been evaluated by a thermodynamic model for calculating the mass action concentrations N_i of structural units in Fe–C binary melts based on the atom–molecule coexistence theory (AMCT), i.e., the AMCT-N_i model, through comparing with the predicted activities a_R,i of both C and Fe by...

article

Critical assessment of three kinds of activity coefficients of carbon and related mixing thermodynamic functions of Fe–C binary melts based on atom–molecule coexistence theory

Xue-min Yang, Jin-yan Li, Fang-jia Yan, Dong-ping Duan, more

Journal of Iron and Steel Research International > 2018 > 25 > 2 > 181-199

Raoultian activity coefficients $${\gamma}_{\text{C}}^{0}$$ γC0 of C in infinitely dilute Fe–C binary melts at temperatures of 1833, 1873, 1923, and 1973 K have been determined from the converted mass action concentrations $$N_{\text{C}}^{\prime}$$ NC′ of C in Fe–C binary melts by the developed AMCT-N_i model based on the atom–molecule coexistence theory (AMCT). The obtained expression of $$\gamma_{\text{C}}^{0}$$...

article

Luminescence properties of Eu3+ doped BaCa2MgSi2O8 phosphor and the influence of charge compensator in the host

Dejian Hou, Haizhen Lai, Xixiang Pan, Bin Zhu, more

Optik - International Journal for Light and Electron Optics > 2017 > 147 > C > 321-327

The Eu³⁺ singly doped and Eu³⁺-R⁺ (R=Li, Na, K) codoped BaCa₂MgSi₂O₈ phosphors were prepared through high temperature solid state reaction technique. The phase structures, morphologies and luminescence properties were investigated. The phosphors can be excited by 396nm radiation and exhibit red emission, the most intense emission locates at 614nm. The CIE (Commission Internationale de l’Eclairage,...

article

Ultrahigh Temperature Sensitivity Using Photonic Bandgap Effect in Liquid-Filled Photonic Crystal Fibers

Lan Cheng, Jian-jun Wu, Xiong-wei Hu, Jing-gang Peng, more

IEEE Photonics Journal > 2017 > 9 > 3 > 1 - 7

We theoretically and experimentally investigate the temperature responses of two liquid-filled polarization maintaining photonic crystal fibers (PM-PCFs). The guidance mechanism of liquid-filled PM-PCFs is a hybrid of the modified total internal reflection and photonic bandgap (PBG) principles. According to the wavelength shifting of photonic band edges, a sensitivity of −10.033 nm/°C from 38 °C to...

article

Luminescence, energy transfer and thermal stability of Eu2+ and Tb3+ in the BaCa2MgSi2O8 host

Dejian Hou, Xixiang Pan, Haizhen Lai, Jin-Yan Li, more

Materials Research Bulletin > 2017 > 89 > C > 57-62

Eu²⁺ and Tb³⁺ doped BaCa₂MgSi₂O₈ phosphors were prepared by a solid state reaction technique. The structure and morphology of the phosphors were investigated. The excitation and emission spectra from the ultraviolet to the visible region as well as decay curves have been measured and discussed. The temperature quenching properties were studied in the temperature range of 300–500K, which showed that...

article

Recent advances in guest effects on spin-crossover behavior in Hofmann-type metal-organic frameworks

Zhao-Ping Ni, Jun-Liang Liu, Md. Najbul Hoque, Wei Liu, more

Coordination Chemistry Reviews > 2017 > 335 > C > 28-43

The incorporation of spin-crossover (SCO) properties into metal-organic frameworks (MOFs) is an appealing subclass of multifunctional MOFs with potential applications in molecular sensing. This review focuses on the design of SCO Hofmann-type MOFs, with emphasis on the guest effect on their SCO properties. The influences of guest size, dielectric constant, π⋯π interaction, hydrogen bonding interactions,...

article

Energy transfer and downconversion near-infrared material of Tb3+ and Yb3+ doped Ca5(BO3)3F

Dejian Hou, Jin-Yan Li, Huihong Lin, Jingxiang Zhang

Physica B: Condensed Matter > 2016 > 500 > C > 44-47

Yb³⁺ and Tb³⁺ singly doped and Tb³⁺–Yb³⁺ co-doped Ca₅(BO₃)₃F phosphors were prepared by a solid state reaction method. The luminescence emission and excitation spectra as well as the luminescence decay curves were investigated. The emission bands of Yb³⁺ ion are located around 1000nm, matching well with the optimal response of Si-based solar cells. Tb³⁺ can be a sensitizer for Yb³⁺ in the host. The...

article

Detection of Trace Elements in Active Luminescent Glass Using Laser-induced Breakdown Spectroscopy Combined with Laser-induced Fluorescence

Jia-Ming LI, Ying-Bo CHU, Nan ZHAO, Ran ZHOU, more

Chinese Journal of Analytical Chemistry > 2016 > 44 > 7 > 1042-1046

In the preparation of active luminescent glass, trace elements are generally co-doped to improve the properties. To overcome the poor sensitivity of laser-induced breakdown spectroscopy (LIBS) on detecting trace elements in glass, LIBS combined with laser-induced fluorescence was utilized to detect trace Yb, Al and P. A wavelength-tunable laser was used to excited Yb ions, Al atoms, and P atoms. The...

article

Critical Assessment of P₂O₅ Activity Coefficients in CaO-based Slags during Dephosphorization Process of Iron-based Melts

Xue-min Yang, Jin-yan Li, Guo-Ming Chai, Dong-ping Duan, more

Metallurgical and Materials Transactions B > 2016 > 47 > 4 > 2330-2346

According to the experimental results of hot metal dephosphorization by CaO-based slags at a commercial-scale hot metal pretreatment station, activity $$ a_{{{\text{P}}_{ 2} {\text{O}}_{ 5} }} $$ a P 2 O 5 of P₂O₅ in the CaO-based slags has been determined using the calculated comprehensive mass action concentration $$ N_{{{\text{Fe}}_{t} {\text{O}}}}^{{}} $$ N Fe t O ...

article

A Thermodynamic Model for Predicting Phosphorus Partition between CaO-based Slags and Hot Metal during Hot Metal Dephosphorization Pretreatment Process Based on the Ion and Molecule Coexistence Theory

Xue-min Yang, Jin-yan Li, Guo-ming Chai, Dong-ping Duan, more

Metallurgical and Materials Transactions B > 2016 > 47 > 4 > 2279-2301

A thermodynamic model for predicting phosphorus partition L _P between a CaO-based slags and hot metal during hot metal dephosphorization pretreatment process has been developed based on the ion and molecule coexistence theory (IMCT), i.e., the IMCT–L _P model. The reaction abilities of structural units or ion couples in the CaO-based slags have been represented by the calculated...

article

Thermodynamic Evaluation of Reaction Abilities of Structural Units in Fe-O Binary Melts Based on the Atom–Molecule Coexistence Theory

Xue-min Yang, Jin-yan Li, Meng-fang Wei, Jian Zhang

Metallurgical and Materials Transactions B > 2016 > 47 > 1 > 174-206

A thermodynamic model for calculating the mass action concentrations $$ N_{i} $$ N i of structural units in Fe-O binary melts based on the atom–molecule coexistence theory, i.e., AMCT- $$ N_{i} $$ N i model, has been developed and verified to be valid through comparing with the calculated activities $$ a_{{{\text{R,}}i}} $$ a R, i of both O and Fe over a temperature...

article

Critical Evaluation of Prediction Models for Phosphorus Partition between CaO-based Slags and Iron-based Melts during Dephosphorization Processes

Xue-Min Yang, Jin-Yan Li, Guo-Ming Chai, Dong-Ping Duan, more

Metallurgical and Materials Transactions B > 2016 > 47 > 4 > 2302-2329

According to the experimental results of hot metal dephosphorization by CaO-based slags at a commercial-scale hot metal pretreatment station, the collected 16 models of equilibrium quotient $$ k_{\text{P}} $$ k P or phosphorus partition $$ L_{\text{P}} $$ L P between CaO-based slags and iron-based melts from the literature have been evaluated. The collected 16 models for predicting...

article

Phosphate enrichment mechanism in CaO–SiO₂–FeO–Fe₂O₃–P₂O₅ steelmaking slags with lower binary basicity

Jin-yan Li, Mei Zhang, Min Guo, Xue-min Yang

International Journal of Minerals, Metallurgy, and Materials > 2016 > 23 > 5 > 520-533

The addition of silica to steelmaking slags to decrease the binary basicity can promote phosphate enrichment in quenched slag samples. In this study, we experimentally investigated phosphate enrichment behavior in CaO–SiO₂–FeO–Fe₂O₃–P₂O₅ slags with a P₂O₅ content of 5.00% and the binary basicity B ranging from 1.0 to 2.0, where the (%Fe_tO)/(%CaO) mass percentage ratio was...

article

Over Octave-Spanning Supercontinuum Generation in Tapered Seven-Core Photonic Crystal Fiber

Xing Luo, Jing-gang Peng, Lan Cheng, Lu-yun Yang, more

IEEE Photonics Journal > 2015 > 7 > 5 > 1 - 9

Broadband supercontinuum (SC) spanning more than an octave was obtained in tapered seven-core photonic crystal fibers (PCFs) upon pumping with a 150-fs mode-locked fiber laser. The appearance of the second zero dispersion wavelength in the tapered section of the PCF limited the solitons' self-frequency shift. The simulations and experiments suggested that the unique group velocity in the tapered section...

chapter

Tapered seven-core photonic crystal fiber for flat supercontinuum generation

Xing Luo, Jing-gang Peng, Lan Cheng, Lv-yun Yang, more

2015 Conference on Lasers and Electro-Optics (CLEO) > 1 - 2

2015 Conference on Lasers and Electro-Optics (CLEO)

We report the broadband supercontinuum (SC) generation in a tapered seven-core photonic crystal fiber (PCF). The introducing of a section of taper waist dramatically alters the group velocity and making the SC flatter.

article

Time Reversal of Electromagnetic Waves Using the Dispersion Compensation Approach

Mu-Sheng Liang, Bing-Zhong Wang, Shuai Ding, Jin-Yan Li, more

IEEE Photonics Journal > 2015 > 7 > 4 > 1 - 7

A new electronic system to realize time reversal (TR) of electromagnetic waves is proposed in this paper. By utilizing the dispersion compensation approach, the system mainly contains a chirped pulse generator, a wideband multiplier, and a chirped delay line (CDL). The TR transformation is achieved by dispersing the modulated chirped pulse through a single microwave CDL. The chirped electromagnetic...

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INFONA - science communication portal

Search results for: Jin-yan Li

Cover Image, Volume 95, Number 1, January 2023

Key mutations on spike protein altering ACE2 receptor utilization and potentially expanding host range of emerging SARS‐CoV‐2 variants

Receptor utilization of angiotensin‐converting enzyme 2 (ACE2) indicates a narrower host range of SARS‐CoV‐2 than that of SARS‐CoV

Detection and genome characterization of two novel papillomaviruses and a novel polyomavirus in tree shrew (Tupaia belangeri chinensis) in China

Thermodynamic evaluation of reaction abilities of structural units in Fe–C binary melts based on atom–molecule coexistence theory

Critical assessment of three kinds of activity coefficients of carbon and related mixing thermodynamic functions of Fe–C binary melts based on atom–molecule coexistence theory

Luminescence properties of Eu3+ doped BaCa2MgSi2O8 phosphor and the influence of charge compensator in the host

Ultrahigh Temperature Sensitivity Using Photonic Bandgap Effect in Liquid-Filled Photonic Crystal Fibers

Luminescence, energy transfer and thermal stability of Eu2+ and Tb3+ in the BaCa2MgSi2O8 host

Recent advances in guest effects on spin-crossover behavior in Hofmann-type metal-organic frameworks

Energy transfer and downconversion near-infrared material of Tb3+ and Yb3+ doped Ca5(BO3)3F

Detection of Trace Elements in Active Luminescent Glass Using Laser-induced Breakdown Spectroscopy Combined with Laser-induced Fluorescence

Critical Assessment of P₂O₅ Activity Coefficients in CaO-based Slags during Dephosphorization Process of Iron-based Melts

A Thermodynamic Model for Predicting Phosphorus Partition between CaO-based Slags and Hot Metal during Hot Metal Dephosphorization Pretreatment Process Based on the Ion and Molecule Coexistence Theory

Thermodynamic Evaluation of Reaction Abilities of Structural Units in Fe-O Binary Melts Based on the Atom–Molecule Coexistence Theory

Critical Evaluation of Prediction Models for Phosphorus Partition between CaO-based Slags and Iron-based Melts during Dephosphorization Processes

Phosphate enrichment mechanism in CaO–SiO₂–FeO–Fe₂O₃–P₂O₅ steelmaking slags with lower binary basicity

Over Octave-Spanning Supercontinuum Generation in Tapered Seven-Core Photonic Crystal Fiber

Tapered seven-core photonic crystal fiber for flat supercontinuum generation

Time Reversal of Electromagnetic Waves Using the Dispersion Compensation Approach

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