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Energy Efficiency of a Solar Green Building Using Bio-Sourced Materials for Indoor Temperature and Humidity Optimization

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Energy Engineering 2025年第1期122卷 41-62页

作者： Soumia Mounir Youssef Maaloufa Abdelhamid Khabbazi Elina Mohd Husini Nurul Syala Abdul Latip Yakubu Aminu Dodo Rime EL Harrouni Mina Amazal Asma Souidi Malika Atigui Ahmed Aharoune National School of Architecture Agadir New Complex Ibn ZohrAgadirBP 20732Morocco EMDD CERNE2DUniversity of Mohammed V in RabatEst SaleSaleBP 227Morocco Thermodynamics and Energetics laboratory Faculty of ScienceIbn Zohr UniversityAgadirBP 8106Morocco Faculty of Built Environment University Sains Islam MalaysiaNilaiBP 71800Malaysia Architectural Engineering Department Najran UniversityNajranBP 1988Saudi Arabia The Centre of Scientific and Engineering Research Najran UniversityNajranBP 1988Saudi Arabia Euro-Mediterranean School of Architecture Design and UrbanismEuro-Mediterranean University of FezFezBP 51Morocco

A clean environment with low carbon emissions is the goal of research on the development of green and sustainable buildings that use bio-sourced materials in conjunction with solar energy to create more sustainable *** is particularly true in Africa,where there aren’t many studies on the *** current study suggests a 90 m^(2) model of a sustainable building in a dry climate that is movable to address the issue of housing in remote areas,ensures comfort in harsh weather conditions,uses solar renewable resources—which are plentiful in Africa—uses biosourced materials,and examines how these materials relate to temperature and humidity control while emitting minimal carbon *** order to solve the topic under consideration,the work is split into two sections:numerical and experimental *** TRNSYS and Revit,the suggested prototype building is examined numerically to examine the impact of orientation,envelope composition made of bio-sourced materials,and carbon *** a hygrothermal investigation,experiments are conducted to evaluate this prototype’s ***,an examination of the photovoltaic system’s production,consumption,and several scenarios used tomaximize battery life is included in the *** the biosourcedmaterial achieves a thermal transmittance of 0.15(W.m^(-2).K^(-1)),the results demonstrate an intriguing finding in terms of *** value satisfies the requirements of passive building,energy autonomy of the dwelling,and injection in-network with an annual value of 15,757 ***,compared to the literature,the heating needs ratio is 6.38(kWh/m^(2).an)and the cooling needs ratio is 49(kWh/m^(2).an),both of which are good *** to international norms,the inside temperature doesn’t go above 26℃,and the humidity level is within a comfortable range.

关键词： Bio-sourced materials energy sustainability green architecture built environment

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The Method of Mixtures Design for the Formulation of the Pastes Intended for Self-Compacting Concrete

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材料科学与工程（中英文A版） 2013年第6期3卷 415-420页

作者： Mustapha Khadir Guellil Fouad Ghomari Sidi Mohammed El Amine Boukli Hacene Omar Taleb eole laboratory bp230 Depatement of Civil Engineering University of Tlemcen FT Tlemcen 13000 Algeria

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Structural, electronic, and optical studies of chalcogenides stannite Cu_(2)CdSnX_(4)(X=S, Se, and Te): insights from the DFT study

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Optoelectronics Letters 2025年第2期21卷 69-76页

作者： Jamal GUERROUM Mohamed AL-HATTAB Lhoucine MOUDOU Khalid RAHMANI Youssef LACHTIOUI Omar BAJJOU laboratory of Engineering in Chemistry and Physics of Matter Faculty of Sciences and TechnicsSultan Moulay Slimane UniversityBeni Mellal BP 52323000Morocco Ecole Normale Supérieure Mohammed V University in RabatMorocco College of Graduate Studies University of South AfricaPretoriaSouth Africa

In this paper,we have calculated the structural,electronic,and optical properties of chalcogenide stannite Cu_(2)CdSnX4(X=S,Se,Te) *** calculations are based on the density functional theory (DFT) method and are performed using the Cambridge sequential total energy package (CASTEP) code included in the Biovia Material Studio 20 *** optical properties have been studied in a domain that extends energetically from 10 meV to 40 *** results show that Cu_(2)CdSnX4(X=S,Se,Te) stannite exhibits absorption in the visible region,the refractive index decreases with increasing energy,and the refractive index values are n=3.2,3.73 and 3.75 for Cu_(2)CdSnS_(4),Cu_(2)CdSnSe_(4)and Cu_(2)CdSnTe_(4),*** show also high conductivity,which implies that this material is promising for solar *** results argue in favor of the use of these materials in various potential *** density of state,band structures,and structural properties of Cu_(2)CdSnX4(X=S,Se,and Te) stannite are also studied in this work.

关键词： materials electronic refractive

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Identifying Suitable Sites for CSP Plants Using AHP,Fuzzy AHP,and Full Consistency Method:A Case Study of CHAD

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Energy Engineering 2025年第3期122卷 943-969页

作者： Bernard Bayangbe Ababacar Thiam El hadji I.Cissé Kory Faye Efficiency and Energetic Systems Research Group Physics DepartmentAlioune Diop UniversityBambeyBP 30Senegal Water EnergyEnvironment and Industrial Processes LaboratoryPolytechnic SchoolCheikh Anta Diop UniversityDakarBP 5085Senegal

Concentrating Solar Power(CSP)is one of the most promising solar technologies for sustainable power generation in countrieswith high solar potential,*** suitable sites is of great importance for deploying solar power *** work focuses on the identification of potential sites for the installation of solar power plants in Chad as well as a comparative analysis using the Analytical Hierarchy Process(AHP),Fuzzy Analytical Hierarchy Process(FAHP),and Full Consistency Method(FUCOM).The results show that 35%of the Chadian territory,i.e.,an area of 449,400 km2,is compatible with the implementation of Concentrating Solar *** North,North,East,Southeast,and East zones are the most *** main criteria for influence are direct normal irradiation,the soil slope,and the water *** gave a weight of 41.9%for Direct Normal Irradiation(DNI)compared to 32.71%and 31.81%for AHP and *** method can be applied to other renewable energy technologies such as photovoltaics,wind power,and *** its different analyses will be a valuable tool for planning any renewable energy project in *** work should also facilitate the techno-economic analysis of future CSP plants in Chad.

关键词： Concentrating solar power analytical hierarchy process fuzzy analytical hierarchy process full consistency method geographic information system direct normal irradiation

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The Mechanical and Crystallographic Evolution of Stipa tenacissima Leaves During In-Soil Biodegradation

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Journal of Renewable Materials 2018年第3期6卷 336-346页

作者： Zakia Khelifi Mohammed Amine Allal Nabil Abou-bekr Said Taibi Benoit Duchemin Normandy University ULHCNRSLOMC76600 Le HavreFrance University of Tlemcen Lab-EOLEBP 23013000 TlemcenAlgeria

The in-soil biodegradation of Stipa tenacissima(alfa)leaves was ***-linear mechanical testing was performed at various biodegradation *** strength,loading and unloading Young’s moduli and dissipation energy decreased with the burial time,whereas plasticity ***-emission scanning electron microscopy(FE-SEM)showed that the fracture cracks propagated in the longitudinal direction in the raw material,resulting in a fracture mode consisting of a mixture of middle lamella delamination and fiber *** contrast,the cracks were perpendicular to the stem axis in the biodegraded material,demonstrating an important strength loss of the load-bearing *** strength loss was correlated with rapid cellulose degradation.A novel X-ray diffraction(XRD)model was implemented in order to take into account anisotropic size *** the first time,XRD demonstrated the action of biodegradation on unrefined plant tissues under quasi in-situ *** induced a progressive loss of crystalline cellulose accompanied with anisotropic crystallite thinning.

关键词： Alfa mechanical testing FE-SEM XRD biodegradation

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Near-perfect replication on amorphous alloys through active force modulation based on machine learning/neural network parameter prediction

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Science China(Physics,Mechanics & Astronomy) 2025年第1期68卷 177-187页

作者： Senkuan Meng Zheng Wang Ruisong Zhu Ruijie Liu Jiang Ma Lina Hu Weihua Wang Key laboratory for Liquid-Solid Structural Evolution and Processing of Materials(Ministry of Education) School of Materials Science and EngineeringShandong UniversityJinan 250061China College of Mechatronics and Control Engineering Shenzhen UniversityShenzhen 518060China Songshan Lake Materials laboratory Dongguan 523808China Institute of Physics Chinese Academy of SciencesBeijing 100190China

As a microforming technique,micro/nano-structural replication possesses advantages of high precision and *** the remarkable superplasticity in the supercooled liquid region,amorphous alloys or metallic glasses(MGs)are regarded as ideal materials for miniature ***,due to the intrinsic metastable nature of supercooled liquids,the design of imprinting processes for MGs poses a *** the past,process parameters have largely relied on trial-and-error *** this work,a low-frequency active force modulation system is employed to apply a stable,precise,and real-time feedback stress field for imprinting of MG ***-frequency vibrations can facilitate the filling of microstructures on the template surface by reducing the effective viscosity of the supercooled *** the dataset composed of orthogonal experiments,a machine learning strategy based on back-propagation(bp)neural networks was utilized to construct a 3D parameter space for temperature,stress,and time,and to predict the corresponding filling ***,the optimal combination of imprinting process parameters was identified,and its filling ratio was experimentally validated to reach as high as *** near-perfect replication of microstructures confirms the superiority of the active force modulation system and the data-driven strategy of machine learning-assisted parameter *** the same time,this one-step microforming process provides a new approach to addressing the accuracy-cost trade-off dilemma in precision manufacturing.

关键词： metallic glass amorphous alloy microforming imprinting machine learning

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Synergistic effect of nitrocellulose coating on structural and reactivity stabilization of ammonium nitrate oxidizer

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Defence Technology(防务技术) 2025年第1期43卷 35-43页

作者： Amir Abdelaziz Djalal Trache Ahmed Fouzi Tarchoun Hani Boukeciat Yash Pal Sourbh Thakur Weiqiang Pang Thomas M.Klapötke Energetic Materials laboratory(EMLab) Teaching and Research Unit of Energetic ProcessesEcole Militaire PolytechniqueBP 17 Bordj El-BahriAlgiers 16046Algeria School of Aeronautical Science Hindustan Institute of Technology and ScienceChennai 603103India Department of Organic Chemistry Bioorganic Chemistry and BiotechnologySilesian University of TechnologyB.Krzywoustego 4Gliwice 44–100Poland Xi'an Modern Chemistry Research Institute 168 Zhangba Rd.EastXi'an 710065China Energetic Materials Research Department of ChemistryLudwig-Maximilian UniversityMunich Butenandtstrasse 5-13(D)Munich D-81377Germany

The present work aims to stabilize the room temperature allotropic transition of ammonium nitrate(AN)particles utilizing a microencapsulation technique,which involves solvent/non-solvent in which nitrocellulose(NC)has been employed as a coating *** SEM micrographs revealed distinct features of both pure AN and NC,contrasting with the irregular granular surface topography of the coated AN particles,demonstrating the adherence of NC on the AN *** analysis via infrared spectroscopy(IR)demonstrated a successful association of AN and NC,with slight shifts observed in IR bands indicating interfacial *** X-ray Diffraction(PXRD)analysis further elucidated the structural changes induced by the coating process,revealing that the NC coating altered the crystallization pattern of its pure *** analysis demonstrates distinct profiles for pure and coated AN,for which the coated sample exhibits a temperature increase and an enthalpy decrease of the room temperature allotropic transition by 6℃,and 36%,***,the presence of NC coating alters the intermolecular forces within the composite system,leading to a reduction in melting enthalpy of coated AN by~39%compared to pure *** thermal decomposition analysis shows a two-step thermolysis process for coated AN,with a significant increase in the released heat by about 78%accompanied by an increase in the activation barrier of NC and AN thermolysis,demonstrating a stabilized reactivity of the AN-NC *** findings highlight the synergistic effect of NC coating on AN particles,which contributed to a structural and reactive stabilization of both AN and NC,proving the potential application of NC-coated AN as a strategically advantageous oxidizer in composite solid propellant formulations.

关键词： Ammonium nitrate Nitrocellulose Stabilization Coating Thermolysis kinetics

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TavWA1 is critical for wheat growth by modulating cell morphology and arrangement

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Journal of Integrative Plant Biology 2025年第1期67卷 71-86页

作者： Guowei Chang Yue Li Lei Peng Chuncai Shen Yipeng Lu Wan Teng Yangyang Liu Yingchun Wang Weiqi Zhu Cuimin Liu Xue He Yiping Tong Xueqiang Zhao Key laboratory of Seed Innovation Institute of Genetics and Developmental BiologyThe Innovative Academy of Seed DesignChinese Academy of SciencesBeijing 100101China University of Chinese Academy of Sciences Beijing 100049China Key laboratory of Plant Molecular Physiology Institute of BotanyChinese Academy of SciencesBeijing 100093China State Key laboratory of Molecular Developmental Biology Institute of Genetics and Developmental BiologyChinese Academy of SciencesBeijing 100101China Zhaoxian Experiment Station Shijiazhuang Academy of Agricultural and Forestry SciencesZhaoxian 515300China

Plant growth is determined by the production of cells and initiation of new *** genes that control cell number and cell size is of great significance for understanding plant growth *** this study,we characterized two wheat mutants,ah and dl,with abnormal *** ah mutant is a naturally occurring variant characterized by severe dwarfism,increased tiller number,and reduced grain length,while the dl mutant is derived from an ethyl methane sulfonate(EMS)-mutagenized population and exhibits smaller grain size and slightly reduced plant *** analyses revealed abnormal cell number,cell morphology and arrangement in the stems and leaves of the ah mutant,along with reduced cell length in the grains of the dl ***-based cloning identified that both mutants carry mutations in the same gene TavWA1-7D,which encodes a protein with a von Willebrand factor A(vWA)*** ah mutant harbors a 174-bp insertion in the 1,402-bp coding sequence(CDS)of TavWA1-7D,causing premature termination of protein translation,while the dl mutant contains a Glu420Lys *** the TavWA1-7D ahthrough clustered regularly interspaced short palindromic repeats(CRISPR)/CRISPR-associated nuclease 9-mediated genome editing leads to a severe dwarfism *** C-terminus of the protein is crucial for its correct subcellular localization and interaction,supporting its critical role for TavWA1-7D *** analysis showed that the dwarf phenotype of the ah mutant is associated with impaired photosynthesis,ribosome function,and nucleosome ***,TavWA1-7D interacts with an E3 ligase,Ta VIP1-3B,the expression levels of which are elevated in both *** and knockout studies of TaVIP1-3B demonstrated its negative regulatory role in cell length and grain ***,our findings suggest that TavWA1-7D plays a vital role in regulating wheat growth and yield-related traits,with the dl mutant's short grain phen

关键词： grain size severe dwarf TaVIP1 TavWA1 wheat

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Tailoring BaCe0.7Zr0.1(Dy0.1|Yb0.1)0.2O3-δ electrolyte through strategic Cu doping for low temperature proton conducting fuel cells:Envisioned theoretically and experimentally

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Journal of Energy Chemistry 2025年第2期101卷 692-701页

作者： Zaheer Ud Din Babar Muhammad Bilal Hanif Yan'an Li Wan-Ting Wang Hanchen Tian Cheng-Xin Li State Key laboratory for Mechanical Behavior of Materials School of Materials Science and Engineering Xi'an Jiaotong University Department of Inorganic Chemistry Faculty of Natural Sciences Comenius University Bratislava

This study addresses the challenge of high sintering temperatures in proton-conducting fuel cells（PCFCs）with BaCeO3-doped *** demonstrate that 1 mol% copper（Cu） doping at the B-site of BaCe0.7Zr0.1(Dy0.1|Yb0.1)0.2O3-δ（BCZDYb） improves sintering behavior,enabling densification at1400℃.However,Cu doping disrupts stoichiometry,creating barium vacancies and reducing protonaccepting cations,affecting overall *** mechanism is confirmed through density functional theory（DFT） calculations and various experimental techniques,including crystal structure analysis using X-ray diffraction（XRD） and morphology and elemental analysis via field emission scanning electron microscopy（FESEM） and energy-dispersive X-ray spectroscopy（EDS）.Electrochemical measurements are performed using the electrochemical impedance spectroscopy（EIS）.The ionic conductivity of1 mol% Cu-doped BCZDYb（BCZDYb-1） is 1.49×10-2S cm-1at 650℃,which is～3.58 times higher than that of BCZDYb sintered at 1200℃.The BCZDYb-1 exhibits ～16 times higher grain boundary conductivity when sintered at 1400℃,compared to undoped *** single cell employing BCZDYb-1 as the electrolyte achieved a power density of ～606 mW cm-2at 550℃.These results indicate that a controlled amount of Cu doping can enhance densification while maintaining high ionic co nductivity,making it suitable for practical applications in PCFCs operating at lower temperatures.

关键词： BaCe0.7Zr0.1(Dy0.1|Yb0.1)0.2O3−δ (BCZDYb) Cu-doping Densification Electrical conductivity Proton conducting fuel cells (PCFCs) Sintering

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Harnessing the Streptomyces-originating type I-E CRISPR/Cas system for efficient genome editing in Streptomyces

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Science China Life Sciences 2025年

作者： Yuhui Xie Xiaoyan Liu Tingting Wu Yunzi Luo Frontiers Science Center for Synthetic Biology and Key laboratory of Systems Bioengineering (Ministry of Education) School of Chemical Engineering and TechnologyTianjin University Department of Gastroenterology State Key Laboratory of BiotherapyWest China HospitalSichuan University Georgia Tech Shenzhen Institute Tianjin University Haihe laboratory of Sustainable Chemical Transformations

Since their discovery,CRISPR/Cas systems have significantly expanded the genetic toolbox,aiding in the exploration and enhanced production of natural products across various *** these,class 2 CRISPR/Cas systems are simpler and more broadly used,but they frequently fail to function effectively in many Streptomyces *** this study,we present an engineered class 1 type I CRISPR/Cas system derived from Streptomyces avermitilis,which enables efficient gene editing in phylogenetically distant Streptomyces *** a plasmid interference assay,we identified the effective protospacer adjacent motif as 5′-AAN-3′.Utilizing this system,we achieved targeted chromosomal deletions ranging from 8 bp to 100 kb,with efficiencies exceeding 92%.We further utilized this system to insert DNA fragments into different Streptomyces genomes,facilitating the heterologous expression of exogenous genes and the activation of endogenous natural product biosynthetic gene ***,we established a type I CRISPR/Cas-based gene-editing methodology that significantly advances the exploration of Streptomyces,known for their rich natural product *** is the first report of a gene editing tool developed based on the endogenous class 1 type I CRISPR/Cas system in Streptomyces *** work enriches the Streptomyces gene manipulation toolbox and advances the discovery of valuable natural products within these organisms.

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