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Cooking grease particles purification review and technology combination strategy evaluation for commercial kitchens

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Building Simulation 2021年第6期14卷 1597-1617页

作者： Dongfang Zhao Xue-yi you Tianjin Key Lab of Indoor Air Environmental Quality Control School of Environmental Science and EngineeringTianjin UniversityJinnan DistrictTianjin 300350China

Effective emission control of cooking oil fumes(COFs),particularly for grease particles,has always been a cause of great concern for catering *** review and evaluation of combinations of purification technology are urgently *** work presents a literature review and combination strategy evaluation of purification technology of grease particles of commercial kitchens.A variety of mainstream purification technologies,such as mechanical separation(M),filtration(F),washing absorption(W)and electrostatic deposition(E)are *** order to establish a complete and efficient fume purification system for commercial kitchen,this study proposes the four-point principles of combined purification technologies as:(1)from easy to difficult(for grease particle diameter);(2)fire prevention and noise reduction;(3)electrostatic deposition postposition;(4)Absorption and dissolution(by-product from electrostatic).Based on the above principles and separation characteristics,the recommended combinations of purification strategies are M-E,F-E,M-F-E and *** combination strategy of M-F-E is adopted as an example to evaluate and optimize COFs purification system use life cycle assessment *** results indicate that the optimization of the M-F-E purification system using rotating mesh plate instead of baffle filter can reduce the environmental impact of global warming and eutrophication by about 35%which reduces the emissions of CO_(2)and SO_(2)from 92.533 kg and 0.110 kg to 60.214 kg and 0.072 kg,*** the review of relevant purification technologies,the study also proposes the combination of principles of purification technologies and the evaluation and optimization of life cycle assessment for the optimal design of combined purification system.

关键词： combination strategy commercial kitchen cooking grease particles environmental impact assessment purification technology

Spin Resolved Zero-Line Modes in Minimally Twisted Bilayer Graphene from Exchange Field and Gate Voltage

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Chinese Physics Letters 2024年第7期41卷 111-116页

作者： Sanyi you Jiaqi An Zhenhua Qiao International Centre for Quantum Design of Functional Materials CAS Key Laboratory of Strongly Coupled Quantum Matter Physicsand Department of PhysicsUniversity of Science and Technology of ChinaHefei 230026China Hefei National Laboratory University of Science and Technology of ChinaHefei 230088China

The reliance on spin-orbit coupling or strong magnetic fields has always posed significant challenges for the mass production and even laboratory realization of most topological materials. Valley-based topological zero-line modes have attracted widespread attention due to their substantial advantage of being initially realizable with just an external electric field. However, the uncontrollable nature of electrode alignment and precise fabrication has greatly hindered the advancement in this field. By utilizing minimally twisted bilayer graphene and introducing exchange fields from magnetic substrates, we successfully realize a spin-resolved, electrode-free topological zeroline mode. Further integration of electrodes that do not require alignment considerations significantly enhances the tunability of the system's band structure. Our approach offers a promising new support for the dazzling potential of topological zero-line mode in the realm of low-energy-consumption electronics.

关键词： structure field topological

3D wakes on the femtometer scale by supersonic jets

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Nuclear Science and Techniques 2023年第2期34卷 76-78页

作者： Guang‑you Qin Institute of Particle Physics and Key Laboratory of Quark and Lepton Physics(MOE) Central China Normal UniversityWuhan 430079China

Concurrent simulations of partonic jets traveling through colored plasma show that the 3-dimensional structure of the diffusion wake induced by a supersonic jet provides an unambiguous signal of medium response to jet *** measurement of the diffusion wake combined with other observables may probe the equation of state and viscosity of quark–gluon plasma.

关键词： diffusion viscosity colored

Spectroscopic analysis of the interaction between tetra-(p-sulfoazophenyl-4-aminosulfonyl)-substituted aluminum(Ⅲ)phthalocyanines and serum albumins

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Journal of Innovative Optical Health Sciences 2017年第2期10卷 64-71页

作者： Liqin Zheng Yipeng He Pingping Lin Lina Liu hongqin Yang Yiru Peng Shusen Xie Key Laboratory of Optoelectronic Science and Technology for Medicine of Ministry of Education Provincial Key Laboratory for Photonics Technology College of Photonic and Electronic Engineering Fujian Normal University Fuzhou350007P.R.China Provincial Key Laboratory of Polymer Materials College of Chemistry and Materials Science Fujian Normal University Fuzhou350007P.R.China

The binding interaction between tetra-(p-sulfoazophenyl-4-aminosulfonyl)-substituted aluminum(Ⅲ)phthalocyanine(AIPc),and two-serum albumins(bovine serum albumin(BSA)and human serum albumin(HSA))has been *** could quench the intrinsic fuorescence of BSA and HSA through a static quenching *** primary and secondary binding sites of AlPc on BSA were domainⅠandⅢof *** primary binding site of AIPc on HSA was domainⅠ,and the secondary binding sites of AlPc on HSA were found at domainsⅠandⅡ.Our results suggest that AIPc readily interact with BSA and HSA implying that the amphiphilic substituents AIPc may contribute to their transportation in the blood.

关键词： Phthalocyanine BSA HSA fluorescence spectroscopy UV-Vis spectroscopy

In situ investigation of lysozyme adsorption into polyelectrolyte brushes by quartz crystal microbalance with dissipation

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Chinese Journal of Chemical Engineering 2022年第8期35卷 106-115页

作者： Fenfen you Qing-Hong Shi Department of Biochemical Engineering School of Chemical Engineering and TechnologyTianjin UniversityTianjin 300350China Key Laboratory of Systems Bioengineering(Ministry of Education) Tianjin UniversityTianjin 300072China

A well understanding about protein adsorption into charged polymer brushes is of importance in the elucidation of mechanism and important phenomena(such as “chain delivery”effect) in protein adsorption on polymer-grafted ion exchange adsorbents. In this work, quartz crystal microbalance with dissipation(QCM-D) was introduced to in situ investigate lysozyme adsorption on QCM sensors grafted with poly(3-sulfopropyl methacrylate)(pSPM) via atom transfer radical polymerization. It was achieved by analyzing frequency(f) and energy dissipation(D) shift simultaneously on pSPM-grafted sensors. The result showed that an initial decrease in ΔD was typical of lysozyme adsorption on pSPM-grafted sensor and more significant with an increase of chain length and grafting density. It was attributed to significant water release in the hydration layer of protein and polymer chains in lysozyme adsorption into pSPM *** pSPM-grafted sensors with long and dense chains, furthermore, lysozyme transitioned from monolayer to multilayer adsorption and the maximum adsorbed amount was obtained to be 374.0 ng·cmamong all pSPM-grafted sensors in this work. The results in D-f plot further revealed that lysozyme adsorption into pSPM brushes increased the rigidity of adsorbed layer and little structure adjustment of adsorbed lysozyme. It was unfavorable for “chain delivery” effect for facilitated transport of adsorbed protein. This work provided valuable insight into protein adsorption in pSPM brushes and outlined a feasible approach to increasing mass transport in polymer-grafted ion exchange adsorbents.

关键词： Adsorption Polymers Protein Water release Graft density Chain length

A Certain Regular Property of the Method I Construction and Packing Measure

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Acta Mathematica Sinica,English Series 2007年第10期23卷 1769-1776页

作者： Sheng you WEN Department of Mathematics Hubei University Wuhan 430062 P. R. China

Let τ be a premeasure on a complete separable metric space and let τ＊ be the Method I measure constructed from τ. We give conditions on T such that τ＊ has a regularity as follows： Every τ＊-measurable set has measure equivalent to the supremum of premeasures of its compact subsets. Then we prove that the packing measure has this regularity if and only if the corresponding packing premeasure is locally finite.

关键词： method I construction regularity packing premeasure packing measure

Machine Learning and Data-Driven Techniques for the Control of Smart Power Generation Systems:An Uncertainty Handling Perspective

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Engineering 2021年第9期7卷 1239-1247页

作者： Li Sun Fengqi you Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education School of Energy and the EnvironmentSoutheast UniversityNanjing 210096China Robert Frederick Smith School of Chemical and Biomolecular Engineering Cornell UniversityIthacaNY 14853USA

Due to growing concerns regarding climate change and environmental protection,smart power generation has become essential for the economical and safe operation of both conventional thermal power plants and sustainable *** first-principle model-based methods are becoming insufficient when faced with the ever-growing system scale and its various *** burgeoning era of machine learning(ML)and data-driven control(DDC)techniques promises an improved alternative to these outdated *** paper reviews typical applications of ML and DDC at the level of monitoring,control,optimization,and fault detection of power generation systems,with a particular focus on uncovering how these methods can function in evaluating,counteracting,or withstanding the effects of the associated uncertainties.A holistic view is provided on the control techniques of smart power generation,from the regulation level to the planning *** benefits of ML and DDC techniques are accordingly interpreted in terms of visibility,maneuverability,flexibility,profitability,and safety(abbreviated as the“5-TYs”),***,an outlook on future research and applications is presented.

关键词： Smart power generation Machine learning Data-driven control Systems engineering

Effect of media heights on the performance of biological aerated filter

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Journal of Environmental Sciences 2005年第2期17卷 281-284页

作者： HUYong-you WANGLi-li SchoolofEnvironmentalScienceandEngineering SouthChinaUniversityofTechnologyGuangzhou510640China DepartmentofEnvironmentalEngineering JinanUniversityGuangzhou510632China

The optimum media height of carbon oxidation and nitrification in a down-flow biological aerated filter was determined, and the distribution of the heterotrophic and nitrifying populations through studying the changes of organic carbon contents and ammonia concentration at different media height was got. The results showed that as a down flow BAF with granular media, the active layer of nitrifiers was deeper than heterotrophs in BAF. And the optimum media height for the removal of SS, COD Cr and NH + 4-N was 40 cm,60 cm and 80 cm respectively. The removal efficiency of SS, COD Cr and NH + 4-N was 79.1%, 63.9% and 96.4% respectively under the influent COD Cr and NH + 4-N of 122.1 mgCOD Cr /L and 14.84 mgNH + 4-N/L, the influent flux of 15.8 L/h, air to liquid ratio of 3∶1.

关键词： biological aerated filter bed material height sewage treatment

Asymmetric α-Pentadienylation of β-Ketocarbonyls and Aldehydes by Synergistic Pd/Chiral Primary Amine Catalysis

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Chinese Journal of Chemistry 2023年第24期41卷 3533-3538页

作者： Chang you Sanzhong Luo Center of Basic Molecular Science Department of ChemistryTsinghua UniversityBeijing100084 China

Direct alkylation with skipped enynes or cyclopropropylacetylenes represents an ideal process for the installation of pentadienyl group in terms of atom- and *** development of catalytic asymmetric versions has been frequently pursued and most of the successes have been achieved with enolizable *** herein describe a synergistic chiral primary amine/Pd catalysis for asymmetric α-pentadienylation of β-ketocarbonyls and aldehydes with skipped enynes or *** reaction features the construction of acyclic all-carbon quaternary centers with high enantioselectivity,and good functional group tolerance and scalability.

关键词： α-Pentadienylation Synergistic catalysis Chiral primary amine Pd catalysis Hydrocarbons