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  1. Article ; Online: Research on the Performance of Recycled-Straw Insulating Concrete and Optimization Design of Matching Ratio

    Jun-Xi Deng / Xiao Li / Xiao-Juan Li / Tai-Bing Wei

    Sustainability, Vol 15, Iss 9608, p

    2023  Volume 9608

    Abstract: Construction solid waste and agricultural waste, as renewable resources, have gained increasing attention recently. This research aims to explore the mechanical and thermal properties of recycled-straw insulating concrete commonly made with construction ... ...

    Abstract Construction solid waste and agricultural waste, as renewable resources, have gained increasing attention recently. This research aims to explore the mechanical and thermal properties of recycled-straw insulating concrete commonly made with construction waste and straw in northern Fujian, which can provide useful suggestions for the practical use of recycled-straw insulating concrete. The effects of recycled coarse aggregate, fly ash, and straw on the mechanical and thermal properties of recycled-straw insulating concrete were investigated by orthogonal tests. The results of the orthogonal tests were optimized by the total efficacy coefficient method to obtain the optimal mix ratio of recycled-straw insulating concrete. Combined with the finite element analysis software ANSYS Workbench, the heat transfer performance of the recycled-straw insulating concrete walls was analyzed to simulate the insulation performance of the walls. The compressive strength of the recycled-straw insulating concrete with the optimal ratio was found to be 30.93 MPa, and the thermal conductivity was 0.5051 W/(m·K). The steady-state thermal analysis of the recycled-straw insulating concrete wall and the plain concrete wall was carried out by finite element software, and the simulation results showed that the insulation performance of the recycled-straw insulating concrete walls was improved by 145% compared with the plain concrete wall. These results indicate that the recycled-straw insulating concrete wall has better thermal insulation performance and can be applied to building envelopes to save heating costs in winter and reduce carbon dioxide emissions, which has significant economic and environmental significance for areas with low outdoor temperatures in winter and long heating periods.
    Keywords construction solid waste ; straw fiber ; mechanical properties ; thermal properties ; ANSYS Workbench ; steady-state thermal analysis ; Environmental effects of industries and plants ; TD194-195 ; Renewable energy sources ; TJ807-830 ; Environmental sciences ; GE1-350
    Subject code 690
    Language English
    Publishing date 2023-06-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  2. Article ; Online: Angle effects of vegetation indices and the influence on prediction of SPAD values in soybean and maize

    Zhi-Hui Mao / Lei Deng / Fu-Zhou Duan / Xiao-Juan Li / Dan-Yu Qiao

    International Journal of Applied Earth Observations and Geoinformation, Vol 93, Iss , Pp 102198- (2020)

    2020  

    Abstract: To study the anisotropy of vegetation indices (VIs) and explore its influence on the retrieval accuracy of canopy soil-plant analyzer development (SPAD) value, the bidirectional reflectance distribution function (BRDF) models of soybean and maize are ... ...

    Abstract To study the anisotropy of vegetation indices (VIs) and explore its influence on the retrieval accuracy of canopy soil-plant analyzer development (SPAD) value, the bidirectional reflectance distribution function (BRDF) models of soybean and maize are calculated from the multi-angle hyperspectral images acquired by UAV, respectively. According to the reflectance extracted from the BRDF model, the dependences of 16 commonly-used VIs on observation angles are analyzed, and the SPAD values of maize and soybean canopy are predicted by using the 16 VI values at different observation angles and their combinations as input parameters. The results show that the 16 VIs have different sensitivity to angle in the principal plane: green ratio vegetation index (GRVI), ratio vegetation index (RVI), red edge chlorophyll index (CIRE), and modified chlorophyll absorption in reflectance index/optimized soil-adjusted vegetation index (MCARI/OSAVI) are very sensitive to angles, among which MCARI/OSAVI of maize fluctuated the most (138.83 %); in contrast, the green optimal soil adjusted vegetation index (GOSAVI), normalized difference vegetation index (NDVI), and green normalized difference vegetation index (GNDVI) hardly change with the observation angles. In terms of SPAD prediction, the accuracy of different VI is different, the mean absolute error (MAE) showed that MCARI1 provided the highest accuracy of retrieval for soybean (MAE=1.617), while for maize it was MCARI/OSAVI (MAE=2.422). However, when using the same VI, there was no significant difference in the accuracy of the predicted results, whether the VI from different angles was used or the combination of multi-angles was used. The present results provide guiding significance and practical value for the retrieval of SPAD value in vegetation canopies and in-depth applications of multi-angular remote sensing.
    Keywords Vegetation index ; BRDF ; SPAD ; Angle effect ; Multi-angular hyperspectral remote sensing ; Unmanned aerial vehicle ; Physical geography ; GB3-5030 ; Environmental sciences ; GE1-350
    Subject code 580
    Language English
    Publishing date 2020-12-01T00:00:00Z
    Publisher Elsevier
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  3. Article ; Online: Flue-cured tobacco confirmed as a reservoir host plant for Tomato yellow leaf curl virus by agro-inoculation and Bemisia tabaci MED-mediated transmission.

    Meng Li / Xiao-Juan Li / Yun-Lin Su

    PLoS ONE, Vol 12, Iss 12, p e

    2017  Volume 0190013

    Abstract: Tomato yellow leaf curl virus (TYLCV) causes great losses in tomato production. In addition to tomato, TYLCV infects many crops or weeds as alternative hosts. These alternative hosts may serve as reservoirs for TYLCV survival and spread. Here, we tested ... ...

    Abstract Tomato yellow leaf curl virus (TYLCV) causes great losses in tomato production. In addition to tomato, TYLCV infects many crops or weeds as alternative hosts. These alternative hosts may serve as reservoirs for TYLCV survival and spread. Here, we tested the capability of cultivated, flue-cured tobacco to act as a reservoir host plant for TYLCV. TYLCV DNA was detected in nine flue-cured tobacco cultivars inoculated with an infectious TYLCV clone, although no visible symptoms developed on TYLCV-infected tobacco plants. The percentage of whiteflies with viral DNA increased with an increasing acquisition access period (AAP) and reached 100% after a 12 h AAP on infected tobacco plants. Using infected tobacco plants as virus resources, TYLCV was capable of being transmitted to tobacco and tomato plants by whiteflies, and typical symptoms of TYLCV infection were observed on infected tomato plants but not on infected tobacco plants. Our results suggest that flue-cured tobacco can serve as a reservoir host plant for TYLCV and may play an important role in the spread of TYLCV epidemics in China.
    Keywords Medicine ; R ; Science ; Q
    Subject code 580
    Language English
    Publishing date 2017-01-01T00:00:00Z
    Publisher Public Library of Science (PLoS)
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  4. Article ; Online: Correction

    Chen-Yue Liu / Jian-Bei Chen / Yue-Yun Liu / Xue-Ming Zhou / Man Zhang / You-Ming Jiang / Qing-Yu Ma / Zhe Xue / Zong-Yao Zhao / Xiao-Juan Li / Jia-Xu Chen

    Chinese Medicine, Vol 18, Iss 1, Pp 1-

    Saikosaponin D exerts antidepressant effect by regulating Homer1-mGluR5 and mTOR signaling in a rat model of chronic unpredictable mild stress

    2023  Volume 4

    Keywords Other systems of medicine ; RZ201-999
    Language English
    Publishing date 2023-11-01T00:00:00Z
    Publisher BMC
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  5. Article ; Online: Identification of novel variants and the genotype–phenotype relationship in patients with Okur–Chung neurodevelopmental syndrome

    Ruo-hao Wu / Wen-ting Tang / Kun-yin Qiu / Xiao-juan Li / Dan-xia Tang / Zhe Meng / Zhan-wen He

    Journal of International Medical Research, Vol

    a case report and systematic literature review

    2021  Volume 49

    Abstract: De novo germline variants of the casein kinase 2α subunit (CK2α) gene ( CSNK2A1 ) have been reported in individuals with the congenital neuropsychiatric disorder Okur–Chung neurodevelopmental syndrome (OCNS). Here, we report on two unrelated children ... ...

    Abstract De novo germline variants of the casein kinase 2α subunit (CK2α) gene ( CSNK2A1 ) have been reported in individuals with the congenital neuropsychiatric disorder Okur–Chung neurodevelopmental syndrome (OCNS). Here, we report on two unrelated children with OCNS and review the literature to explore the genotype–phenotype relationship in OCNS. Both children showed facial dysmorphism, growth retardation, and neuropsychiatric disorders. Using whole-exome sequencing, we identified two novel de novo CSNK2A1 variants: c.479A>G p.(H160R) and c.238C>T p.(R80C). A search of the literature identified 12 studies that provided information on 35 CSNK2A1 variants in various protein-coding regions of CK2α. By quantitatively analyzing data related to these CSNK2A1 variants and their corresponding phenotypes, we showed for the first time that mutations in protein-coding CK2α regions appear to influence the phenotypic spectrum of OCNS. Mutations altering the ATP/GTP-binding loop were more likely to cause the widest range of phenotypes. Therefore, any assessment of clinical spectra for this disorder should be extremely thorough. This study not only expands the mutational spectrum of OCNS, but also provides a comprehensive overview to improve our understanding of the genotype–phenotype relationship in OCNS.
    Keywords Medicine (General) ; R5-920
    Language English
    Publishing date 2021-05-01T00:00:00Z
    Publisher SAGE Publishing
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  6. Article ; Online: Mixing Efficiency Analysis on Droplet Formation Process in Microchannels by Numerical Methods

    Jin-yuan Qian / Xiao-juan Li / Zhi-xin Gao / Zhi-jiang Jin

    Processes, Vol 7, Iss 1, p

    2019  Volume 33

    Abstract: Liquid–liquid two-phase flow in microchannels has attracted much attention, due to the superiority of mass transfer enhancement. One of the biggest unresolved challenges is the low mixing efficiency at the microscale. Suitable mixing efficiency is ... ...

    Abstract Liquid–liquid two-phase flow in microchannels has attracted much attention, due to the superiority of mass transfer enhancement. One of the biggest unresolved challenges is the low mixing efficiency at the microscale. Suitable mixing efficiency is important to promote the mass transfer of two-phase flow in microchannels. In this paper, the mixing efficiency in three junction configurations, including a cross-shaped junction, a cross-shaped T-junction, and a T-junction, is investigated by the volume of fluid (VOF) method coupled with user-defined scalar (UDS) model. All three junction configurations are designed with the same hydraulic diameter of 100 μm. Mixing components are distributed in the front and back parts of the droplet. The mixing efficiency in the droplet forming stage and the droplet moving stage are compared quantitatively. Results show that different junction configurations create very different mixing efficiencies, and the cross-shaped T-junction performs best, with relatively lower disperse phase fractions. However, with an increase of the disperse phase fraction, the cross-shaped junction is superior.
    Keywords VOF method ; mixing efficiency ; junction configuration ; disperse phase fraction ; Chemical technology ; TP1-1185 ; Chemistry ; QD1-999
    Subject code 669 ; 612
    Language English
    Publishing date 2019-01-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  7. Article ; Online: Saikosaponin D exerts antidepressant effect by regulating Homer1-mGluR5 and mTOR signaling in a rat model of chronic unpredictable mild stress

    Chen-Yue Liu / Jian-Bei Chen / Yue-Yun Liu / Xue-Ming Zhou / Man Zhang / You-Ming Jiang / Qing-Yu Ma / Zhe Xue / Zong-Yao Zhao / Xiao-Juan Li / Jia-Xu Chen

    Chinese Medicine, Vol 17, Iss 1, Pp 1-

    2022  Volume 14

    Abstract: Abstract Background Many studies about depression have focused on the dysfunctional synaptic signaling in the hippocampus that drives the pathophysiology of depression. Radix Bupleuri has been used in China for over 2000 years to regulate liver-qi. ... ...

    Abstract Abstract Background Many studies about depression have focused on the dysfunctional synaptic signaling in the hippocampus that drives the pathophysiology of depression. Radix Bupleuri has been used in China for over 2000 years to regulate liver-qi. Extracted from Radix Bupleuri, Saikosaponin D (SSD) is a pharmacologically active substance that has antidepressant effects. However, its underlying mechanism remains unknown. Materials and methods A chronic unpredictable mild stress (CUMS) paradigm was used as a rat model of depression. SD rats were randomly assigned to a normal control (NC) group or one exposed to a CUMS paradigm. Of the latter group, rats were assigned to four subgroups: no treatment (CUMS), fluoxetine-treated (FLU), high-dose and low-dose SSD-treated (SSDH and SSDL). SSD was orally administrated of 1.50 mg/kg and 0.75 mg/kg/days for three weeks in the SSDH and SSDL groups, respectively. Fluoxetine was administrated at a dose of 2.0 mg/kg/days. SSD’s antidepressant effects were assessed using the open field test, forced swim test, and sucrose preference test. Glutamate levels were quantified by ELISA. Western blot and immunochemical analyses were conducted to quantify proteins in the Homer protein homolog 1 (Homer1)-metabotropic glutamate receptor 5 (mGluR5) and mammalian target of rapamycin (mTOR) pathways in the hippocampal CA1 region. To measure related gene expression, RT-qPCR was employed. Results CUMS-exposed rats treated with SSD exhibited increases in food intake, body weight, and improvements in the time spent in the central are and total distance traveled in the OFT, and less pronounced pleasure-deprivation behaviors. SSD also decreased glutamate levels in CA1. In CA1 region of CUMS-exposed rats, SSD treatment increased mGluR5 expression while decreasing Homer1 expression. SSD also increased expressions of postsynaptic density protein 95 (PSD95) and synapsin I (SYP), and the ratios of p-mTOR/mTOR, p-p70S6k/p70S6k, and p-4E-BP1/4E-BP1 in the CA1 region in CUMS-exposed rats. Conclusions SSD ...
    Keywords Saikosaponin D ; Chronic unpredictable mild stress ; Homer1-mGluR5 ; mTOR ; Other systems of medicine ; RZ201-999
    Subject code 571
    Language English
    Publishing date 2022-05-01T00:00:00Z
    Publisher BMC
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  8. Article ; Online: Anomaly Detection and Degradation Prediction of MOSFET

    Li-Feng Wu / Yong Guan / Xiao-Juan Li / Jie Ma

    Mathematical Problems in Engineering, Vol

    2015  Volume 2015

    Keywords Mathematics ; QA1-939 ; Science ; Q ; Engineering (General). Civil engineering (General) ; TA1-2040 ; Technology ; T
    Language English
    Publishing date 2015-01-01T00:00:00Z
    Publisher Hindawi Publishing Corporation
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  9. Article ; Online: Xiaoyaosan Exerts Therapeutic Effects on the Colon of Chronic Restraint Stress Model Rats via the Regulation of Immunoinflammatory Activation Induced by the TLR4/NLRP3 Inflammasome Signaling Pathway

    Hui-Zheng Zhu / Yu-Dan Liang / Wen-Zhi Hao / Qing-Yu Ma / Xiao-Juan Li / Yu-Ming Li / Jia-Xu Chen

    Evidence-Based Complementary and Alternative Medicine, Vol

    2021  Volume 2021

    Abstract: Depression is the neurological manifestation most commonly associated with gastrointestinal diseases. The release of inflammatory cytokines mediated by TLR4/NLRP3 inflammasome signaling-induced immunoinflammatory activation may represent a common ... ...

    Abstract Depression is the neurological manifestation most commonly associated with gastrointestinal diseases. The release of inflammatory cytokines mediated by TLR4/NLRP3 inflammasome signaling-induced immunoinflammatory activation may represent a common pathogenic process underlying the development of gastrointestinal diseases and depression. Clinical studies have indicated that Xiaoyaosan (XYS) can relieve depressive behavior by improving gastrointestinal symptoms. We previously demonstrated that XYS can reduce colonic inflammation in a rat model of chronic unpredictable mild stress; however, the precise anti-inflammatory mechanisms involved remain unclear. Here, we investigated whether XYS can ameliorate depressive behavior through regulating the TLR4/NLRP3 inflammasome signaling pathway, thereby inhibiting immunoinflammatory activation and reducing colonic proinflammatory cytokine levels. Fifty-two healthy male Sprague–Dawley rats were randomly divided into four groups (control, model, XYS, and fluoxetine). The latter three groups were subjected to 21 days of chronic restraint stress to generate a model of stress-induced depression. XYS and fluoxetine were administered intragastrically. Behavioral changes in the rats were assessed after 21 days. Serum and colon samples were collected, and the relative levels of the inflammation indicators IL-6, IL-1β, and TNF-α were determined by ELISA. Pathological changes in colon tissue were assessed by hematoxylin and eosin staining. The levels of TLR4, MyD88, NF-κB-p65, TAK1, IRAK1, and TRAF6 were detected by immunohistochemistry, while the gene and protein expression levels of TLR4, MyD88, NF-κB-p65, TAK1, IRAK1, TRAF6, NLRP3, ASC, and caspase-1 were detected by quantitative polymerase chain reaction (qPCR) and Western blotting. The results indicated that XYS could improve the depressive-like behavior and the weight loss of rats with stress-induced depression. Furthermore, depressed rats treated with XYS exhibited decreased expression levels of TLR4, MyD88, NF-κB-p65, TAK1, ...
    Keywords Other systems of medicine ; RZ201-999
    Subject code 610
    Language English
    Publishing date 2021-01-01T00:00:00Z
    Publisher Hindawi Limited
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  10. Article: The effect of acclimation on heat tolerance of Lasioderma serricorne (Fabricius) (Coleoptera: Anobiidae)

    Li, Meng / Xiao-Juan Li / Jian-Hua Lü / Ming-Fei Huo

    Journal of Thermal Biology. 2017,

    2017  

    Abstract: Lasioderma serricorne (Fabricius) (Coleoptera: Anobiidae) is an important economic insect of various stored products worldwide. With the restricted use of methyl bromide and the increasing negative effects of repeated use of phosphine fumigation, heat ... ...

    Abstract Lasioderma serricorne (Fabricius) (Coleoptera: Anobiidae) is an important economic insect of various stored products worldwide. With the restricted use of methyl bromide and the increasing negative effects of repeated use of phosphine fumigation, heat treatment becomes the main approach to control stored-product insects. We investigated effect of the acclimation to sublethal high temperature of 36°C and 42°C for different times on heat tolerance of L. serricorne adults, pupae, larvae, and eggs to lethal high temperature of 50°C in laboratory. The acclimation of L. serricorne pupae, larvae, and eggs, but not adults, to 36°C improved their survival when exposed to lethal high temperature of 50°C. The acclimation of all life stages of L. serricorne to 42°C significantly improved their survival when exposed to 50°C. For eggs, larvae, and adults, the protective effectiveness of acclimation to 42°C was much more profound than that of to 36°C. LT50 and LT90 of all life stages increased with increasing acclimation time to 42°C in general. The LT50 of L. serricorne adults, pupae, larvae, and eggs acclimation to 42°C for 20h were 2.2, 2.2, 3.4, and 4.8 times higher than that of insects without acclimation, respectively. The results suggest that acclimation to sublethal high temperatures can significantly improve the heat tolerance of L. serricorne by the means of increasing their survival when confronting lethal high temperatures. In the face of global warming, the protective effects induced by acclimation to sublethal high temperatures should be fully considered when design or apply heat treatment to control L. serricorne.
    Keywords Lasioderma serricorne ; acclimation ; adults ; eggs ; fumigation ; global warming ; heat tolerance ; heat treatment ; larvae ; methyl bromide ; phosphine ; protective effect ; pupae ; storage insects ; stored products ; temperature
    Language English
    Size p. .
    Publishing place Elsevier Ltd
    Document type Article
    Note Pre-press version
    ZDB-ID 1498364-3
    ISSN 1879-0992 ; 0306-4565
    ISSN (online) 1879-0992
    ISSN 0306-4565
    DOI 10.1016/j.jtherbio.2017.11.007
    Database NAL-Catalogue (AGRICOLA)

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