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1. Insight into the Reaction Mechanism of the Reduction of NO by H₂ on the Singly Dispersed Bimetallic Pt(Rh)Co₄/Co₃O₄ Catalysts: A First-Principles Study

Author:
Jin, Xin,   et al.   ; Wen, Hong; Liu, Jing-yao;     Show all 3 Authors
Source:
Journal of physical chemistry 2020 v.124 no.18 pp. 9908-9916
ISSN:
1932-7455
Subject:
active sites; adsorption; ammonia; catalysts; catalytic activity; chemical reduction; cobalt oxide; dissociation; energy; hydrogen; hydrogenation; models; nitric oxide; nitrogen; nitrous oxide; oxygen; platinum; reaction mechanisms; rhodium
Abstract:
... The restructured singly dispersed bimetallic sites M₁Aₙ supported on the metallic oxide surface have drawn much attention due to their different catalytic performances for the reaction mechanisms of nitric oxide reduction by H₂ on the catalysts with singly dispersed bimetallic sites MCo₄ (M = Pt and Rh) anchored on Co₃O₄. They were investigated by using DFT+U methods with periodic slab models. The ...
DOI:
10.1021/acs.jpcc.0c00308

2. Properties and mechanism of hexavalent chromium removal by FeS@ graphite carbon nitride nanocomposites

Author:
Jin, Xin,   et al.   ; Su, Junjie; Hao, Han; Lv, Xiaofan; Yang, Qi;     Show all 5 Authors
Source:
Colloids and surfaces 2020 v.597 pp. 124751
ISSN:
0927-7757
Subject:
Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; adsorption; anions; aqueous solutions; bicarbonates; carbon nitride; chemical reduction; chlorides; chromium; endothermy; entropy; graphene; models; nanocomposites; nitrates; pH; recycling; scanning electron microscopy; sorption isotherms; sulfates; temperature
Abstract:
... A novel nanocomposite, named as FCN, which was synthesized by loading FeS (Mackinawite) onto graphite phase carbon nitride (g-C₃N₄), was applied to remove Cr(VI) in aqueous solutions and characterized by SEM, BET, XRD, FTIR, Zeta and XPS. The effect of adsorption parameters including temperature, initial solution pH, FCN dosage, the initial concentration of Cr(VI), recycling performance of FCN and ...
DOI:
10.1016/j.colsurfa.2020.124751

3. Transformation and toxicity of environmental contaminants as influenced by Fe containing clay minerals: a review

Author:
Jin, Xin,   et al.   ; Wang, Yi; Peng, Anping; Gu, Cheng;     Show all 4 Authors
Source:
Bulletin of environmental contamination and toxicology 2020 v.104 no.1 pp. 8-14
ISSN:
0007-4861
Subject:
clay; clay minerals; crystal structure; iron; pollution; sediments; soil; toxicity
Abstract:
... Clay minerals are ubiquitous in soil and sediments, and play important roles in environmental processes. Virtually all clay minerals contain some Fe, either in the crystal structure or adsorbed at the surface of the clay minerals, which could promote many reactions on the clay minerals. The interaction between Fe containing clay mineral and its surrounding contaminants would greatly affect the tra ...
DOI:
10.1007/s00128-019-02747-2

4. ZIF-derived ZnO/Sb composite scaffolded on carbon framework for Ni-Zn batteries

Author:
Jin, Xin,   et al.   ; Zhao, Weiyi; Liu, Ziqiang; Zhong, Chenglin; Shen, Zihan; Zhang, Huigang;     Show all 6 Authors
Source:
Journal of colloid and interface science 2020 v.579 pp. 823-831
ISSN:
0021-9797
Subject:
anodes; antimony; batteries; carbon; corrosion; encapsulation; nickel; resins; specific energy; zinc; zinc oxide
Abstract:
... Ni-Zn, Zn-MnO₂, and Zn-air batteries have the advantages of inflammability, material abundance, and high specific energy. However, their applications are limited by the poor rechargeability of zinc anodes, which are related to shape changes, dendrite growth, corrosion, passivation, dissolution, etc. In this study, we developed a zeolitic-imidazolate framework (ZIF)-based route to construct a novel ...
DOI:
10.1016/j.jcis.2020.06.120

5. Stabilization of vanadium in calcareous purple soil using modified Na-bentonites

Author:
Li, Jin-xin,   et al.   ; He, Wen-yan; Yang, Jin-yan; Li, Jia; Ai, Ying-wei;     Show all 5 Authors
Source:
Journal of cleaner production 2020 v.268 pp. 121978
ISSN:
0959-6526
Subject:
acid rain; alkalinization; aquatic environment; bioavailability; ferrous sulfate; heavy metals; nitrogen; polluted soils; pollution control; polyphenols; rain; risk reduction; soil acidification; soil organic matter; soil pollution; soil water; stabilizers; tea; vanadium
Abstract:
... Stabilization technique is regarded effective to control heavy metal pollution in soil. Traditional stabilizers have raised concerns about soil acidification/alkalization, or the stable effectiveness in a long-term. To stabilize vanadium (V) in calcareous purple soil in an environmentally friendly way, Na-bentonite (Na–B) modified by tea polyphenol (TP-B), by FeSO₄ (Fe–B), and by TP and FeSO₄ (TP- ...
DOI:
10.1016/j.jclepro.2020.121978

6. Trimethyl chitosan nanoparticles for ocular baicalein delivery: Preparation, optimization, in vitro evaluation, in vivo pharmacokinetic study and molecular dynamics simulation

Author:
Jin, Xin,   et al.   ; Li, Jinjing; Yang, Yang; Zhang, Lingling; Liu, Rui; Li, Zheng;     Show all 6 Authors
Source:
International journal of biological macromolecules 2020 v.156 pp. 749-761
ISSN:
0141-8130
Subject:
Fourier transform infrared spectroscopy; bioavailability; chitosan; drugs; in vitro studies; in vivo studies; lipids; membrane permeability; molecular dynamics; nanoparticles; particle size; pharmacokinetics; transmission electron microscopy; zeta potential
Abstract:
... To improve ocular bioavailability of baicalein (BAI), trimethyl chitosan coated lipid nanoparticles of baicalein (TMC-BAI-LNPs) were prepared, optimized and characterized. The properties of TMC-BAI-LNPs such as morphology, particle size, zeta potential and fourier transform infrared spectroscopy were investigated. Additionally, molecular dynamics simulation was applied as a new method to evaluate ...
DOI:
10.1016/j.ijbiomac.2020.04.115

7. Characteristics of flow regime adjustment enhancing carbon source recovery in activated primary sedimentation tank

Author:
Jin, Xin,   et al.   ; Shi, Xuan; Yao, Yi; Zhao, Nan; Jin, Pengkang; Wang, Xiaochang; Wang, Guanghua;     Show all 7 Authors
Source:
Chemosphere 2020 v.251 pp. 126405
ISSN:
0045-6535
Subject:
agitation; carbon; fatty acid composition; friction; mathematical models; nitrogen; oxygen; particulates; phosphorus; probability; sewage; total nitrogen; total phosphorus; volatile fatty acids; wastewater treatment
Abstract:
... In this study, different numbers of baffles were arranged in settling zone of an activated primary sedimentation tank (APST) to adjust the flow regime of sewage, and the characteristics of flow regime adjustment enhancing carbon source recovery in the APST were explored. The results showed that, compared with the APST without baffles, setting one baffle at the front end of settling zone led to the ...
DOI:
10.1016/j.chemosphere.2020.126405

8. Novel bio-based phase change materials with high enthalpy for thermal energy storage

Author:
Jin, Xin,   et al.   ; Liu, Lu; Fan, Xiaoqiao; Zhang, Yuang; Zhang, Shufen; Wang, Wentao; Tang, Bingtao;     Show all 7 Authors
Source:
Applied energy 2020 v.268 pp. 114979
ISSN:
0306-2619
Subject:
biocompatibility; biocomposites; calcium; enthalpy; insulating materials; latent heat; moieties; phase transition; polyethylene glycol; sodium alginate; storage technology; supply balance; thermal energy
Abstract:
... Phase change thermal storage technology is an effective approach to solving the mismatch between energy supply and demand. However, this technique requires considerable efforts to the successful application and popularization. In view of designing form-stable phase change materials (PCMs) with desirable latent heat enthalpy. We reported novel and eco-friendly PCMs via a simple and convenient metho ...
DOI:
10.1016/j.apenergy.2020.114979

9. Formation of brown carbon on Fe-bearing clay from volatile phenol under simulated atmospheric conditions

Author:
Jin, Xin,   et al.   ; Ling, Jingyi; Sheng, Feng; Wang, Yi; Peng, Anping; Gu, Cheng;     Show all 6 Authors
Source:
Atmospheric environment 2020 v.228 pp. 117427
ISSN:
1352-2310
Subject:
acidity; adsorption; aerosols; atmospheric chemistry; carbon; clay; climate change; dust; guaiacol; hydroxylation; iron; models; montmorillonite; oxidants; phenol; polymerization; relative humidity; spectral analysis; water content
Abstract:
... Atmospheric brown carbon (BrC) has recently attracted great concerns due to its potential contribution to climate change. It was reported that dissolved Fe(III) species can act as an efficient oxidant to catalyze the polymerization of volatile phenol substances, subsequently forming atmospheric BrC in aerosols. Since Fe in the atmosphere is commonly associated with clay mineral dusts, the transfor ...
DOI:
10.1016/j.atmosenv.2020.117427

10. Effect of pectin osmosis or degradation on the water migration and texture properties of apple cube dried by instant controlled pressure drop drying (DIC)

Author:
Jin, Xin,   et al.   ; Li, Xiao; Bi, Jinfeng; Li, Xuan; Zhao, Yuanyuan; Song, Yue;     Show all 6 Authors
Source:
Lebensmittel-Wissenschaft + [i.e. und] Technologie 2020 v.125 pp. 109202
ISSN:
0023-6438
Subject:
apples; dried fruit; drying; galacturonic acid; hardness; hydrolysis; nuclear magnetic resonance spectroscopy; osmosis; pectins; polygalacturonase; texture
Abstract:
... Hydrolysis by pectinase and pectin osmosis were applied to apple cubes before instant controlled pressure drop (DIC) drying. The water migration in the apple cubes during drying process was studied by low-field NMR. Pectin osmosis for 1 h could increase the galacturonic acid (GalA) content of the apple cubes (the maximum increase was 24%), whereas the GalA content of the apple cubes hydrolyzed by ...
DOI:
10.1016/j.lwt.2020.109202

11. Modulation of SBD-1 expression by Saccharomyces cerevisiae cell wall components in ovine ruminal epithelial cells

Author:
Jin, Xin,   et al.   ; Tian, Qiao-zhen; Zhang, Man; Cao, Gui-fang; Yang, Yin-feng;     Show all 5 Authors
Source:
Research in veterinary science 2020 v.129 pp. 28-38
ISSN:
0034-5288
Subject:
Saccharomyces cerevisiae; Toll-like receptor 2; Toll-like receptor 4; Western blotting; adaptive immunity; antibiotics; cell wall components; cell walls; enzyme-linked immunosorbent assay; epithelial cells; gene expression regulation; growth performance; messenger RNA; prebiotics; protein synthesis; quantitative polymerase chain reaction; rumen; sheep; transcription factor NF-kappa B
Abstract:
... The ovine rumen is an immune interface with the external environment, participating in host defence responses. Ovine ruminal epithelial cells (ORECs) not only have a physical barrier function, but also secrete sheep β-defensin-1 (SBD-1), which plays a key role in innate and adaptive immunity. Prebiotics are potential alternatives to infeed antibiotics. Saccharomyces cerevisiae cell wall (S.c.CW) i ...
DOI:
10.1016/j.rvsc.2020.01.004

12. Preparation of keratin/PET nanofiber membrane and its high adsorption performance of Cr(VI)

Author:
Jin, Xin,   et al.   ; Wang, Hongjie; Jin, Xu; Wang, He; Chen, Linan; Wang, Wenyu; Lin, Tong; Zhu, Zhengtao;     Show all 8 Authors
Source:
The Science of the total environment 2020 v.710 pp. 135546
ISSN:
0048-9697
Subject:
Fourier transform infrared spectroscopy; X-ray photoelectron spectroscopy; adsorption; asymmetric membranes; chromium; cysteine; disulfide bonds; hydrophilicity; keratin; nanofibers; pH; protonation; redox reactions; wool
Abstract:
... In this study, we prepared wool keratin/PET composite nanofiber membrane to adsorb the Cr(VI) in acidic solution due to its strong adsorption ability. The adsorption ability of the composite membrane with different ratios of keratin to PET was investigated. The optimum adsorption ability can be obtained when the keratin concentration was 50% in the solution with a pH value of 3. With the higher co ...
DOI:
10.1016/j.scitotenv.2019.135546

13. Effect of the moisture equilibrium process on the expansion behavior of instant controlled pressure drop (DIC) drying of dried apple cubes

Author:
Jin, Xin,   et al.   ; Li, Xiao; Bi, Jinfeng; Wu, Xinye; Lyu, Jian; Li, Xuan; Hu, Lina;     Show all 7 Authors
Source:
Journal of the science of food and agriculture 2020 v.100 no.4 pp. 1635-1642
ISSN:
0022-5142
Subject:
apples; dried fruit; drying; fruits; porosity; sensory properties; texture; vegetable products; water activity
Abstract:
... BACKGROUND: Recently, consumers' demand on high quality dried fruit or vegetable products have increased dramatically. The instant controlled pressure drop (DIC) dried products have attracted consumers' attention due to its unique sensory characteristics. The product quality, especially the appearance quality of the DIC products, is influenced closely by water status and water distribution in the ...
DOI:
10.1002/jsfa.10175

14. Characterization for the transformation of dissolved organic matters during ultraviolet disinfection by differential absorbance spectroscopy

Author:
Jin, Xin,   et al.   ; Wu, Hao; Chen, Zhanghao; Sheng, Feng; Ling, Jingyi; Wang, Chao; Gu, Cheng;     Show all 7 Authors
Source:
Chemosphere 2020 v.243 pp. 125374
ISSN:
0045-6535
Subject:
absorbance; adsorption; byproducts; carcinogenicity; disinfection; dissolved organic matter; drinking water; drinking water treatment; gel chromatography; hydrophobicity; irradiation; models; moieties; molecular weight; monitoring; spectroscopy; titration; ultraviolet radiation
Abstract:
... The transformation of dissolved organic matter (DOM) during various disinfection processes has raised great concerns due to the generation of carcinogenic disinfection by-products (DBPs). Ultraviolet (UV) irradiation is an effective method for drinking water disinfection, during which DOM undergoes changes in functional groups and molecular weight. In this study, the spectrophotometric titration a ...
DOI:
10.1016/j.chemosphere.2019.125374

15. Design and implementation of anti-leakage planting system for transplanting machine based on fuzzy information

Author:
Jin, Xin,   et al.   ; Yuan, Yanwei; Ji, Jiangtao; Zhao, Kaixuan; Li, Mingyong; Chen, Kaikang;     Show all 6 Authors
Source:
Computers and electronics in agriculture 2020 v.169 pp. 105204
ISSN:
0168-1699
Subject:
algorithms; monitoring; planting; seedlings
Abstract:
... Selective operation of potted seedlings on transplanter is the fundamental way to improve the survive rate after the transplanting operation. However, due to the problems of high transplanting speed and complicated working condition of the transplanter, higher requirements for information detection, mechanism control and their coordination are needed. In this paper, the Fuzzy C-means (FCM) method ...
DOI:
10.1016/j.compag.2019.105204

16. Additive Preparation of Conductive Circuit Based on Template Transfer Process Using a Reusable Photoresist

Author:
Jin, Xin,   et al.   ; Zhu, Yi-Min; Tang, Jie; Pan, Ting-Rui; Chang, Yu; Yang, Zhen-Guo;     Show all 6 Authors
Source:
ACS applied materials & interfaces 2020 v.12 no.6 pp. 7679-7689
ISSN:
1944-8252
Subject:
X-ray photoelectron spectroscopy; adhesion; adsorption; coatings; copper; electronics; electroplating; energy; foil; paper; peeling; pollution; radio frequency identification
Abstract:
... To solve the problems of a conventional subtractive process for preparing conductive circuits, numerous alternative additive processes have been investigated, such as screen or inkjet printing, selective electroless plating, laser-induced forward transfer, etc. They all lead to a simpler procedure, less pollution, and finer line width but are still faced with difficulties like low conductivity and ...
DOI:
10.1021/acsami.9b17694

17. CFD modeling of varying complexity for aerodynamic analysis of H-vertical axis wind turbines

Author:
Jin, Xin,   et al.   ; He, Jiao; Xie, Shuangyi; Cao, Le; Wang, Yaming; Lin, Yifan; Wang, Ning;     Show all 7 Authors
Source:
Renewable energy 2020 v.145 pp. 2658-2670
ISSN:
0960-1481
Subject:
aerodynamics; prediction; renewable energy sources; simulation models; wind tunnels; wind turbines
Abstract:
... Computational fluid mechanics (CFD) is considered as an efficient approach for studying aerodynamic characteristics of vertical axis wind turbines (VAWTs). Currently, 2D Unsteady Reynolds-Averaged Naviere Stokes (URANS) is widely applied, although previous researches revealed its limit accuracy in the aerodynamic analysis. This paper investigates the accuracy and feasibility of various CFD modelin ...
DOI:
10.1016/j.renene.2019.07.132

18. Synchronized changes in shallow water carbonate production during the Carnian Pluvial Episode (Late Triassic) throughout Tethys

Author:
Jin, Xin,   et al.   ; Gianolla, Piero; Shi, Zhiqiang; Franceschi, Marco; Caggiati, Marcello; Du, Yixing; Preto, Nereo;     Show all 7 Authors
Source:
Global and planetary change 2020 v.184 pp. 103035
ISSN:
0921-8181
Subject:
Triassic period; basins; carbon; carbon cycle; carbonates; climate change; sediments; stable isotopes; Alps region; China
Abstract:
... Quantitative petrologic analysis on carbonates was carried out on stratigraphic sections encompassing the Carnian Pluvial Episode from northwestern Sichuan Basin, South China and eastern Southern Alps. The Carnian Pluvial Episode, or CPE, is a period of climate change that occurred between the early Carnian and the beginning of the late Carnian (Late Triassic) and coincides with multiple, sharp ne ...
DOI:
10.1016/j.gloplacha.2019.103035

19. Enhanced Discrete Time Formulation for a Short-Term Batch Process Scheduling Problem with Utility Constraints

Author:
Jin, Xin,   et al.   ; Wang, Yue; Lu, Shan;     Show all 3 Authors
Source:
Industrial & engineering chemistry process design and development 2019 v.58 no.31 pp. 14559-14568
ISSN:
1520-5045
Subject:
batch systems; inventories; models; process design
Abstract:
... For a short-term production scheduling problem with utility constraints, the discrete-time modeling approach has its inherent advantages compared with the continuous-time approach. Even so, there are still some limitations to the discrete-time approach in calculating utility consumption. This paper aims to enhance the capability of the discrete-time model to calculate utility consumption more accu ...
DOI:
10.1021/acs.iecr.9b02002

20. Ecological risk assessment of cities on the Tibetan Plateau based on land use/land cover changes – Case study of Delingha City

Author:
Jin, Xin,   et al.   ; Jin, Yanxiang; Mao, Xufeng;     Show all 3 Authors
Source:
Ecological indicators 2019 v.101 pp. 185-191
ISSN:
1470-160X
Subject:
agricultural land; altitude; anthropogenic activities; case studies; cities; coasts; environmental assessment; environmental indicators; geographic information systems; global change; grasslands; land cover; land use change; landscapes; mountains; remote sensing; risk; risk assessment process; wetlands; China
Abstract:
... Land use/land cover and its change is a certain reflection of the interaction of natural factors and human activity in regional ecological environment, and the change of land use/land cover also affects the regional ecological process. Among regional ecological assessments, the landscape ecological risk assessment by land use/land cover changes is a regional ecological risk assessment method that ...
DOI:
10.1016/j.ecolind.2018.12.050