Search results for: Yinsheng Li

Items from 1 to 20 out of 110 results

article

High‐purity stoichiometric Si₃N₄ ceramics through trimethylsilyl‐substituted polysilazanes

Tianhao Li, Wei Zhang, Liantai Duan, Ke Chen, more

Journal of the American Ceramic Society > 106 > 6 > 3329 - 3335

Trimethylsilyl‐substituted polysilazanes were designed and successfully synthesized. They were used to fabricate high‐purity stoichiometric Si₃N₄ ceramics through pyrolysis process. Trimethylsilyl groups improved the stability of polysilazanes and easily escaped during pyrolysis, which effectively reduced oxygen and carbon content in the final polymer‐derived Si₃N₄. The C content of Si₃N₄ ceramic...

article

A novel method to uniquely determine the parameters in Gurson–Tvergaard–Needleman model

Tairui Zhang, Kai Lu, Akihiro Mano, Yoshihito Yamaguchi, more

Fatigue & Fracture of Engineering Materials & Structures > 44 > 12 > 3399 - 3415

The Gurson–Tvergaard–Needleman (GTN) model is promising in failure prediction as it takes the micromechanical behavior of ductile metals into consideration. However, its engineering applications have scarcely progressed due to the difficulty in determining its eight strongly coupled parameters. Taking the physical background of GTN model into consideration, a set of methods was established to determine...

article

Influence of Fe‐modified Mn–Ce–Fe–Co–O_x/P84 catalytic filter materials for low‐temperature NO removal synergistic Hg⁰ oxidation

Guangwei Shi, Meng Liu, Yinsheng Li, Tao Li, more

Asia‐Pacific Journal of Chemical Engineering > 16 > 5 > n/a - n/a

A series of Mn–Ce–Fe–Co–O_x/P84 (polyimide) catalytic filter materials by in situ method (ISM) were investigated for the low‐temperature catalytic activities for NO and elemental mercury Hg⁰ in the simulated flue fixed‐bed system, especially under mixed atmosphere conditions with water and sulfur. The influence of Fe and Co doping ratio, Fe of loading sequence, and the types of precursors are systematically...

article

Performance and reaction mechanism for low‐temperature NO_x catalytic synergistic Hg⁰ oxidation of catalytic polyphenylene sulfide filter materials

Tao Li, Meng Liu, Yufeng Duan, Yinsheng Li, more

Asia‐Pacific Journal of Chemical Engineering > 15 > 1 > n/a - n/a

An in situ method (ISM), impregnation calcination method, and coating method were proposed to prepare catalytic polyphenylene sulfide (PPS) filter materials, and the low‐temperature catalytic activities for nitrogen oxides (NO_x) and Hg⁰ were investigated in fixed bed system. Furthermore, the surface morphology characteristics, crystalline structure, and NO_x interaction mechanisms were studied by scanning...

article

Emerging blockchain-based applications and techniques

Yinsheng Li

Service Oriented Computing and Applications > 2019 > 13 > 4 > 279-285

The primary mission of the blockchain is to establish a creditworthy ecosystem among independent participants in a non-trustable distributed environment. A blockchain system is secure and autonomous based on its chained blocks, peer–peer nodes, consensus-based ledger mechanism, anonymous accounts, self-regulated data ownership, and programmable smart contracts. There are continuous arguments at which...

article

Sodium arsenite modified burrowing behavior of earthworm species Metaphire californica and Eisenia fetida in a farm soil

Yali Wang, Hao Tang, Cory Matthew, Jiangping Qiu, more

Geoderma > 2019 > 335 > C > 88-93

Arsenic (As) is a widely distributed contaminant in soil and is toxic to plants, animals and humans. Many studies have explored the effects of As on various physiological and biochemical processes in soil fauna. However, there is no report on the effect of sodium arsenite on the behavior of soil fauna such as earthworms. In this study, two earthworm species, Metaphire californica and Eisenia fetida,...

article

Enhanced thermal conductivity in Si₃N₄ ceramic with the addition of Y₂Si₄N₆C

Yinsheng Li, Ha‐Neul Kim, Haibo Wu, Mi‐Ju Kim, more

Journal of the American Ceramic Society > 101 > 9 > 4128 - 4136

Si₃N₄ ceramic was densified at 1900°C for 12 hours under 1 MPa nitrogen pressure, using MgO and self‐synthesized Y₂Si₄N₆C as sintering aids. The microstructures and thermal conductivity of as‐sintered bulk were systematically investigated, in comparison to the counterpart doped with Y₂O₃‐MgO additives. Y₂Si₄N₆C addition induced a higher nitrogen/oxygen atomic ratio in the secondary phase by introducing...

article

Identification of a cytochrome P450 gene in the earthworm Eisenia fetida and its mRNA expression under enrofloxacin stress

Yinsheng Li, Chun Zhao, Xiaoxu Lu, Xiaojie Ai, more

Ecotoxicology and Environmental Safety > 2018 > 150 > C > 70-75

Cytochrome P450 (CYP450) enzymes are a family of hemoproteins primarily responsible for detoxification functions. Earthworms have been used as a bioindicator of soil pollution in numerous studies, but no CYP450 gene has so far been cloned. RT-PCR and RACE-PCR were employed to construct and sequence the CYP450 gene DNA from the extracted mRNA in the earthworm Eisenia fetida. The cloned gene (EW1) has...

article

Effect of enrofloxacin and roxarsone on CYP450s in pig

Yinsheng Li, Meilin Jiang, Michelle Thunders, Xiaojie Ai, more

Research in Veterinary Science > 2018 > 117 > C > 97-98

Enrofloxacin (ENR) and roxarsone (ROX) have been widely used in animal breeding. In this study, the daily clinical dosage of ENR and daily additive amount of ROX were administrated to Bama pigs. After 5days, the activity and protein expression of three important enzymes in the cytochrome P450 family were measured in the porcine liver. CYP1A2 was induced by both ENR and ROX independently. CYP2E1 and...

article

Influence evaluation of loading conditions during pressurized thermal shock transients based on thermal-hydraulics and structural analyses

Jinya Katsuyama, Shumpei Uno, Tadashi Watanabe, Yinsheng Li

Frontiers of Mechanical Engineering > 2018 > 13 > 4 > 563-570

The thermal hydraulic (TH) behavior of coolant water is a key factor in the structural integrity assessments on reactor pressure vessels (RPVs) of pressurized water reactors (PWRs) under pressurized thermal shock (PTS) events, because the TH behavior may affect the loading conditions in the assessment. From the viewpoint of TH behavior, configuration of plant equipment and their dimensions, and operator...

article

Effect of enrofloxacin on the proteome of earthworms

Xiaoxu Lu, Yinsheng Li, Michelle Thunders, Cory Matthew, more

Science of The Total Environment > 2018 > 616-617 > C > 531-542

The environmental and human health risks of veterinary drugs are becoming public health issues. Enrofloxacin (EF) is an extensively used animal-specific antibacterial agent that leaves drug residues in the environment. This study investigated the proteomic response of the earthworm Eisenia fetida to EF exposure. Earthworms were exposed to EF in soil at 1–500mg·kg⁻¹, and samples were collected at intervals...

article

Toxicity of arsenite to earthworms and subsequent effects on soil properties

Yali Wang, Yizhao Wu, Jo Cavanagh, Ayizekeranmu Yiming, more

Soil Biology and Biochemistry > 2018 > 117 > C > 36-47

Arsenic (As) is widely distributed in soil and is toxic to plants, animals and humans. In this study, earthworms (Eisenia fetida) were exposed to five concentrations of sodium arsenite (5, 10, 20, 40, and 80 mg As kg⁻¹) in farm soils for 28 d. With increasing soil As(III) concentrations, As bioaccumulation in earthworms increased (maximum bioaccumulation factor 3.77), and levels of reactive oxygen...

article

Effects of particle grading on porous gelcasted and solid-state-sintered SiC ceramics with improved connectivity

Haibo Wu, Yinsheng Li, Shan Yun, Xuejian Liu, more

Journal of Alloys and Compounds > 2018 > 732 > C > 547-554

Porous gelcasted and solid-state-sintered SiC (S-SiC) ceramics with significantly improved connectivity were successfully prepared through the synergistic pore-forming mechanism of direct foaming and particle packing, using fine (D₅₀ = 0.5 μm) and coarse (D₅₀ = 5.0 μm) graded SiC powders as the main raw materials. As the proportion of coarse SiC powder increased, the viscosities of aqueous SiC-B₄C-C...

article

Radiation Dose Reduction in CT Myocardial Perfusion Imaging Using SMART-RECON

Yinsheng Li, Michael A. Speidel, Christopher J. Francois, Guang-Hong Chen

IEEE Transactions on Medical Imaging > 2017 > 36 > 12 > 2557 - 2568

In this paper, a newly developed statistical model-based image reconstruction [referred to as Simultaneous Multiple Artifacts Reduction in Tomographic RECONstruction (SMART-RECON)] is applied to low dose computer tomography (CT) myocardial perfusion imaging (CT-MPI). This method uses the nuclear norm of the spatial-temporal image matrix of the CT-MPI images as a regularizer, rather than a conventional...

article

Improved thermal conductivity of sintered reaction-bonded silicon nitride using a BN/graphite powder bed

Yinsheng Li, Ha-Neul Kim, Haibo Wu, Mi-Ju Kim, more

Journal of the European Ceramic Society > 2017 > 37 > 15 > 4483-4490

Sintered reaction-bonded silicon nitride (SRBSN) with improved thermal conductivity was achieved after the green compact of submicron Si powder containing 4.22wt% impurity oxygen and Y₂O₃-MgO additives was nitrided at 1400°C for 6h and then post-sintered at 1900°C for 12h using a BN/graphite powder bed. During nitridation, the BN/10wt%C powder bed altered the chemistry of secondary phase by promoting...

chapter

I2I: A Balanced Ecommerce Model with Creditworthiness Cloud

Yinsheng Li, Shuai Xue, Xu Liang, Xiao Zhu

2017 IEEE 14th International Conference on e-Business Engineering (ICEBE) > 150 - 158

2017 IEEE 14th International Conference on e-Business Engineering (ICEBE)

Very few ecommerce participants are observed to be satisfied with ecommerce-raised business expenses, profit sharing, fake products, or user privacy. In this article, a new ecommerce concept, i.e., Balanced Commerce, is proposed to address the concerns through innovative trading paradigms and principles. The balanced ecommerce promotes direct trades with no intermediary merchants, public and sharing...

article

Improved connectivity of gelcasted and solid-state-sintered SiC foams through synergetic poring mechanism

Haibo Wu, Yinsheng Li, Xuejian Liu, Zhengren Huang, more

Journal of Alloys and Compounds > 2017 > 712 > C > 633-639

In order to improve the connectivity between pores of gelcasted and solid-state-sintered SiC (S-SiC) foams, we utilized the synergetic poring mechanism of direct foaming and sacrificial solid template through introducing organic micro-beads into aqueous foamed SiC-B₄C-C suspensions. The addition of micro-beads accelerated the formation of more bubble-derived pores in S-SiC foams, and generated abundant...

article

Physicochemical properties, in vitro cytotoxic and genotoxic effects of PM_1.0 and PM_2.5 from Shanghai, China

Yajuan Zou, Yizhao Wu, Yali Wang, Yinsheng Li, more

Environmental Science and Pollution Research > 2017 > 24 > 24 > 19508- 19516

Exposure to ambient particulate matter (PM) links with a variety of respiratory diseases. However, compared with coarse particles (PM₁₀) and fine particles (PM_2.5), submicrometer particles (PM_1.0) may be a more important indicator of human health risks. In this study, the cytotoxic and genotoxic effects of PM_1.0 samples from Shanghai were examined using A549 cells, and compared with the effects of...

article

Differential protein expression and localization of CYP450 enzymes in three species of earthworm; is this a reflection of environmental adaptation?

Xiaoxu Lu, Yinsheng Li, Michelle Thunders, Jo Cavanagh, more

Chemosphere > 2017 > 171 > C > 485-490

Cytochrome P450 (CYP450) is a hemoprotein superfamily, among which CYP1, CYP2 and CYP3 play a major role in the metabolism of vast array of xenobiotics and endobiotics. This paper reports on three CYP enzyme variants (CYP1A2, CYP2E1 and CYP3A4) in three species of earthworm (Eisenia fetida, Metaphire guillelmi and Amynthas carnosus). The relative expression levels and localization of the three associated...

article

De novo transcriptome assembly, functional annotation and differential gene expression analysis of juvenile and adult E. fetida, a model oligochaete used in ecotoxicological studies

Michelle Thunders, Jo Cavanagh, Yinsheng Li

Biological Research > 2017 > 50 > 1 > 1-5

Background Earthworms are sensitive to toxic chemicals present in the soil and so are useful indicator organisms for soil health. Eisenia fetida are commonly used in ecotoxicological studies; therefore the assembly of a baseline transcriptome is important for subsequent analyses exploring the impact of toxin exposure on genome wide gene expression. Results This paper reports on the de novo transcriptome...

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INFONA - science communication portal

Search results for: Yinsheng Li

High‐purity stoichiometric Si₃N₄ ceramics through trimethylsilyl‐substituted polysilazanes

A novel method to uniquely determine the parameters in Gurson–Tvergaard–Needleman model

Influence of Fe‐modified Mn–Ce–Fe–Co–O_x/P84 catalytic filter materials for low‐temperature NO removal synergistic Hg⁰ oxidation

Performance and reaction mechanism for low‐temperature NO_x catalytic synergistic Hg⁰ oxidation of catalytic polyphenylene sulfide filter materials

Emerging blockchain-based applications and techniques

Sodium arsenite modified burrowing behavior of earthworm species Metaphire californica and Eisenia fetida in a farm soil

Enhanced thermal conductivity in Si₃N₄ ceramic with the addition of Y₂Si₄N₆C

Identification of a cytochrome P450 gene in the earthworm Eisenia fetida and its mRNA expression under enrofloxacin stress

Effect of enrofloxacin and roxarsone on CYP450s in pig

Influence evaluation of loading conditions during pressurized thermal shock transients based on thermal-hydraulics and structural analyses

Effect of enrofloxacin on the proteome of earthworms

Toxicity of arsenite to earthworms and subsequent effects on soil properties

Effects of particle grading on porous gelcasted and solid-state-sintered SiC ceramics with improved connectivity

Radiation Dose Reduction in CT Myocardial Perfusion Imaging Using SMART-RECON

Improved thermal conductivity of sintered reaction-bonded silicon nitride using a BN/graphite powder bed

I2I: A Balanced Ecommerce Model with Creditworthiness Cloud

Improved connectivity of gelcasted and solid-state-sintered SiC foams through synergetic poring mechanism

Physicochemical properties, in vitro cytotoxic and genotoxic effects of PM_1.0 and PM_2.5 from Shanghai, China

Differential protein expression and localization of CYP450 enzymes in three species of earthworm; is this a reflection of environmental adaptation?

De novo transcriptome assembly, functional annotation and differential gene expression analysis of juvenile and adult E. fetida, a model oligochaete used in ecotoxicological studies

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