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Theoretical design for zeolite synthesis

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Science China Chemistry 2022年第9期65卷 1683-1690页

作者： Qinming Wu Huimin luan Feng-shou Xiao Key Lab of Biomass Chemical Engineering of Ministry of Education College of Chemical and Biological EngineeringZhejiang UniversityHangzhou 310027China Key Lab of Applied Chemistry of Zhejiang Province Department of ChemistryZhejiang UniversityHangzhou 31007China

Zeolites,an important class of microporous crystals,have been widely utilized in the fields of catalysis,ion-exchange,separation,and sorption for a long *** general,zeolites are synthesized in the presence of costly organic templates under hydrothermal conditions by trial-and-error method,which is not only environmentally unfriendly but also *** recent years,novel concepts of design for zeolite synthesis,which are sustainable,cheap,simple,and efficient,have been *** this review,the recent advances in design for zeolite synthesis will be briefly summarized,mainly including the design of organic templates for directing the formation of zeolites,design of organotemplate-free route for zeolite synthesis,design of solvent-free strategy for zeolite synthesis,design for novel interzeolite transformation,and targeted control of zeolite *** review might be helpful for developing sustainable routes for targeted synthesis of zeolites in the future.

关键词： zeolite organic template organotemplate-free solvent-free interzeolite transformation morphology control

Targeted synthesis of zeolites from calculated interaction between zeolite structure and organic template

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National Science Review 2022年第9期9卷 67-78页

作者： Qinming Wu Huimin luan Feng-shou Xiao Key Lab of Biomass Chemical Engineering of Ministry of Education College of Chemical and Biological Engineering Zhejiang University Key Lab of Applied Chemistry of Zhejiang Province Department of Chemistry Zhejiang University

Zeolites,a class of silica-based porous materials,have been widely employed in the chemical industry for uses such as sorption,separation,catalysis and ion ***,the synthesis of zeolites is performed in the presence of organic templates via a trial-and-error route,which is labor-intensive and *** recent years,theoretical simulation from the interaction between a zeolite structure and an organic template has been used to guide the synthesis of zeolites,which is *** this review,recent progress in the targeted synthesis of zeolites from interaction between a zeolite structure and an organic template are briefly outlined including the design of new templates for zeolite synthesis,preparation of zeolites with new composition,development of novel routes for zeolite synthesis,synthesis of intergrowth zeolites,generation of novel zeolite structures,control of zeolite morphology and modulation of aluminum distribution in *** targeted syntheses reveal that the minimum energy principle from the theoretical simulation is key for guiding zeolite *** review will be important for zeolite researchers for rationally synthesizing zeolites and effectively designing new zeolite structures.

关键词： zeolite organic template targeted synthesis interaction energy theoretical simulation

TianmaGouteng yin attenuates ischemic stroke-induced brain injury by inhibiting the AGE/RAGE pathway

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BIOCELL 2023年第6期47卷 1345-1352页

作者： LUOJUN ZHENG luan WENG DIWEN shou Department of TCM Pharmacy The First Affiliated Hospital of Zhejiang Chinese Medical University(Zhejiang Provincial Hospital of Chinese Medicine)Hangzhou310003China

Background:Ischemic stroke is characterized by permanent or transient obstruction of blood flow,leading to a growing risk factor and health *** yin(TMG)is commonly used in Chinese medicine to treat cerebral *** aim of this study was to investigate the neuroprotective effects of TMG against ischemic ***:Either permanent middle cerebral artery occlusion(pMCAO)or sham operation was performed on anesthetized Wistar male rats(n=36).Results:Results demonstrated that TMG administration reduced the infarction volume and mitigated the neurobehavioral *** and eosin(HE)staining and Prussian blue staining revealed that TMG attenuated tissue disruption and microbleeds in hippocampus *** addition,TMG down-regulated the receptor of advanced glycation end products(RAGE)and *** also inhibited the concentrations of advanced glycation end products(AGEs),ferritin,malondialdehyde(MDA),and reactive oxygen species(ROS).Conclusion:As repetitive clinical trials of neuroprotectants targeting stroke have failed previously,our results suggested that the natural product,TMG,can probably help in the vicious cycles of ischemic stroke pathology.

关键词： Ischemic stroke Tianmagouteng yin Brain injury Neuroprotection AGE/RAGE pathway pMCAO

Asymptotics for Certain Harmonic Functions and the Martin Compactification on the Quaternionic Heisenberg Group

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Acta Mathematica Sinica,English Series 2005年第6期21卷 1295-1308页

作者： jing Wen luan Fu Liu ZHU School of Mathematics and Statistics Wuhan University Wuhan 430072 P. R. of China

In this paper, we make the asymptotic estimates of the heat kernel for the quaternionic Heisenberg group in various cases. We also use these results to deduce the asymptotic estimates of certain harmonic functions on the quaternionic Heisenberg group. Moreover a Martin compactification of the quaternionic Heisenberg group is constructed, and we prove that the Martin boundary of this group is homeomorphic to the unit ball in the quaternionic field.

关键词： Quaternionic Heisenberg group Asymptotic estimate Heat kernel Martin boundary

Strong Interaction Effect on Jet Energy Loss with Detailed Balance

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Chinese Physics Letters 2017年第10期34卷 18-22页

作者： jing-Ya Zhang luan Cheng School of Physics Dalian University of Technology Dalian 116024

The strong force effect on gluon distribution of quark-gluon plasma and its influence on jet energy loss with detailed balance are studied. We solve the possibility equation and obtain the value of non-extensive parameter q. In the presence of strong interaction, more gluons stay at low-energy state than the free gluon case. The strong interaction effect is found to be important for jet energy loss with detailed balance at intermediate jet energy. The energy gain via absorption increases with the strong interaction. This will affect the nuclear modification factor RAA and the parameter of q at intermediate jet energy.

关键词： Strong Interaction Effect on Jet Energy Loss with Detailed Balance QCD

Experimental and numerical study on dynamic mechanical behaviors of shale under true triaxial compression at high strain rate

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International Journal of Mining Science and Technology 2024年第2期34卷 149-165页

作者： Xiaoping Zhou Linyuan Han jing Bi Yundong shou School of Civil Engineering Wuhan UniversityWuhan 430072China College of Civil Engineering Guizhou UniversityGuiyang 550025China

High-energy gas fracturing of shale is a novel,high efficacy and eco-friendly mining technique,which is a typical dynamic perturbing *** effectively extract shale gas,it is important to understand the dynamic mechanical properties of *** experiments on shale subjected to true triaxial compression at different strain rates are first conducted in this *** dynamic stress-strain curves,peak strain,peak stress and failure modes of shale are *** results of the study indicate that the intermediate principal stress and the minor principal stress have the significant influence on the dynamic mechanical behaviors,although this effect decreases as the strain rate *** characteristics of compression-shear failure primarily occur in shale subjected to triaxial compression at high strain rates,which distinguishes it from the fragmentation characteristics observed in shale under dynamic uniaxial ***,a numerical three-dimensional Split Hopkinson Pressure Bar(3D-SHPB),which is established by coupling PFC3D and FLAC3D methods,is validated to replicate the laboratory characteristics of *** dynamic mechanical characteristics of shale subjected to different confining stresses are systematically investigated by the coupling PFC3D and FLAC3D *** numerical results are in good agreement with the experimental data.

关键词： Dynamic behaviors True triaxial compression High strain rates Dynamic failure mechanism PFC3D-FLAC3D coupled method

Remote Preparation of Multipartite Equatorial Entangled States in High Dimensions with Three Parties

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Communications in Theoretical Physics 2009年第4期51卷 641-647页

作者： HOU Kui WANG jing SHI shou-Hua School of Physics ＆ Material Science Anhui University Hefei 230039 China

A scheme for probabilistic remotely preparing N-particle d-dimensional equatorial entangled states via entangled swapping with three parties is presented. The quantum channel is composed of N - 1 pairs of bipartite d-dimensional non-maximally entangled states and a tripartite d-dimension non-maximally entangled state. It is shown that the sender can help either of the two receivers to remotely prepare the original state, and the N-particle projective measurement and the generalized Hadamard transformation are needed in this scheme. The total success probability and classical communication cost are calculated.

关键词： remoter state preparation d-dimensional multiparticle equatorial entangled states projective measurement classical communication cost

Clinical characteristics and management of patients with early acute severe pancreatitis:Experience from a medical center in China

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World Journal of Gastroenterology 2004年第6期10卷 919-921页

作者： Hou-QuanTao jing-XiaZhang shou-ChunZou DepartmentofSurgery ZhejiangProvincialPeoples'HospitalHangzhou310014ZhejiangProvinceChina DepartmentofSurgery ZhejiangProvincialPeoples'HospitalHangzhou310014ZhejiangProvinceChina

AIM:To study clinical characteristics and management of patients with early severe acute pancreatitis (ESAP).METHODS: Data of 297 patients with severe acute pancreatitis (SAP) admitted to our hospital within 72h after onset of symptoms from January 1991 to June 2003 were reviewed for the occurrence and development of early severe acute pancreatitis (ESAP).ESAP was defined as presence of organ dysfunction within 72 h after onset of *** patients had ESAP, 228 patients without organ dysfunction within 72 h after onset of symptoms had SAR The clinical characteristics,incidence of organ dysfunction during hospitalization and prognosis between ESAP and SAP were *** degree of pancreas (Balthazar CT class) in ESAP was more serious than that in SAP (5.31±0.68vs 3.68±0.29, Pshould be treated in specialized intensive care units with special measures such as close supervision, fluid resuscitation, improvement of hypoxemia,reduction of pancreatic secretion, elimination of inflammatory mediators,prevention and treatment of pancreatic infections.

关键词：急性重症胰腺炎急腹症临床特点手术治疗多器官功能衰竭

Templates for the synthesis of zeolites

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Chinese Journal of Structural Chemistry 2024年第4期43卷 48-58页

作者： Huimin luan Qinming Wu Jianping Wu Xiangju Meng Feng-shou Xiao College of Chemical and Biological Engineering Zhejiang UniversityHangzhou310027China Kente Catalysts Inc. Fengxi West RoadModern Industrial ClusterXianju CountyZhejiang317300China Key Laboratory of Applied Chemistry of Zhejiang Province Department of ChemistryZhejiang UniversityHangzhou310007China

Though zeolites have been successfully synthesized for several decades,the roles of templates for zeolite synthesis are still not fully understood ***,many types of templates have been employed such as inorganic alkali metal ions,organic quaternary ammonium cations,organic amines,organic quaternary phosphonium cations,metal complexes and zeolite seeds,and the roles are mainly summarized into three aspects:structure-directing,space-filling and *** order to synthesize zeolites efficiently,the proposed principles to guide zeolite synthesis are the stabilization of energy between templates and zeolite framework,charge density mis-matching(CDM)and structure matching between zeolite frameworks and *** purpose of this review is to briefly summarize the progresses in recent years,clearly showing the roles of the templates for zeolite synthesis.

关键词： Zeolites Templates Zeolite synthesis Zeolite structure