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Introduction

Bimonthly, started in 1957
Administrator
Shanxi Provincial Education Department
Sponsor
Taiyuan University of Technology
Publisher
Ed. Office of Journal of TYUT
Editor-in-Chief
SUN Hongbin
ISSN: 1007-9432
CN: 14-1220/N

Links

Shanxi Provincial Education Department

Taiyuan University of Technology

location： home> 2017,48(03)

An Overview Study on Bearing Capacity Properties of Self-Tapping Screw Connection in Prefabricated Light-Guage Steel Structure Residence

With the wide application of self-tapping screws in prefabricated light-guage steel structure residence,the connection performance has obtained much attention.In this paper,the progress in research on shear,tensile and seismic properties of various components connected by self-tapping screws are summarized in details,which is based on the relevant research literature at home and abroad.And the design methods of shear and tensile strength of self-tapping screws in China,USA,Europe and other countr...

Taiyuan University of technology 2017,48(03): LEI Honggang，QIU Bin，JI Yanling. ;

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Research Progress of Soil Properties Under Freezing and Thawing Cycles

China has a large seasonal frozen soil region.The study of physical and mechanical properties of soil under the action of freeze-thaw cycles,for the need to meet certain strength and stability requirements of cold region engineering,has important guiding significance to the construction and protection.Freeze-thaw cycle test is a basic test in studying the characteristics of soil freezing and thawing,mainly involving three test indexees: the temperature,time and number of freezing and thawing,but ...

Taiyuan University of technology 2017,48(03): DONG Xiaoqiang，CHEN Ruifeng. ;

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Application and Theoretical Discussion of the Long-Short-Piles Composite Foundation in High-Rise Building

The long-short-piles composite foundation technology can improve the bearing capacity of the foundation and reduce the settlement.This technology has good economy and security,which has good prospects for development.According to the characteristics and the research situation of the technology,this paper discusses the main factors (the thickness of cushion,the length and replacement ratio of long piles,the length and replacement ratio of short piles,the upper structure stiffness) affecting the se...

Taiyuan University of technology 2017,48(03): GE Xinsheng ZHEN Zheng. ;

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Study on the Evaluation of Old Residential Building Performance Based on Adaptive Intuitionistic Fuzzy Neural Network

In the case of old residential resources increasing in our country,how to grasp the degree of decline and the degree of utilization,to provide scientific guidance for the reconstruction and reuse of old residential areas is the key problem in the research of the old house.On the basis of the current problem of building performance,the evaluation index system of old residential structure and safety performance was established from three dimensions:technology,economy and society. Through T-S intuit...

Taiyuan University of technology 2017,48(03): GAO Yubo，HAN Weicheng，HU Chuanjin. ;

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Research Progress in Efficient Recovery of Organics from Aqueous Solution by Pervaporation-Based Coupling Process

Pervaporation (PV) is a novel selective membrane separation technologies used for liquid-liquid separation.Recently,it has been widely employed to separate high value-added organics from aqueous solution.In this review,we introduced the advantages of using pervaporation-based coupled process for the separation of organics from aqueous solution and reviewed the development of pervaporation coupled with other well-established processes,especially pevaporation-fractional condensation (PVFC) coupling...

Taiyuan University of technology 2017,48(03): HAO Xiaogang，LI Chuncheng. ;

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Research on Metal-Organic Framework Zr-FUM for Light Hydrocarbon Separation

A highly stable MOF-based adsorbent Zr-FUM was selected to separate CH4/C2H6, C2H6/C3H8, C2H2/C2H4 and C2H4/C3H6 gas mixtures,which have difficulty in their separation.Adsorption heat and adsorption selectivities were calculated based on the single-component adsorption isotherms.Combined with swing adsorption separation device,the separation performance of light hydrocarbons was investigated.Finally,the stability and cycling performance of Zr-FUM were systematically tested.The results show that,Z...

Taiyuan University of technology 2017,48(03): WANG Xiaoqing，LI Libo，CHEN Yang，WANG Yong，LI Jinping. ;

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Benzylation Reaction of Aromatic Hydrocarbon over Hierarchical Zeolitic Catalysts

Hierarchical zeolites are a class of superior catalysts which contain simultaneously interconnected mesopores and micropores.The zeolitic micropores bear the catalytic function,while the well-developed mesopores ensure accessibility of acid sites for larger molecules and intracrystalline diffusion.Liquid-phase benzylation of aromatic hydrocarbon is a typical acid-catalytic reaction dealing with bulky molecule,and the development of reusable solid acid catalysts having high activity for the reacti...

Taiyuan University of technology 2017,48(03): REN Fenfen, MA Jinghong, LI Ruifeng. ;

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Influence of interaction between NiMn Bimetal and MgO Support on H2 Dissociation

Density functional theory has been employed to investigate the interaction between NiMn bimetal and MgO support,further to investigate the influence of the interaction on H adsorption and H2 dissociation,and the results were compared with those on Ni/MgO.Two catalyst models,i.e.,perfect and defective MgO supported Ni2Mn2 clusters were built to represent the modeling catalyst.The results show that the interaction of defective MgO and active component Ni2Mn2 is stronger than that between perfect Mg...

Taiyuan University of technology 2017,48(03): QIN Qiaoyun，WANG Baojun，LI Kai，LIU Hongyan. ;

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Recent Developments of Layered Zirconium Phosphate in Solid Lubrication

With the development of modern industrial machinery,it is requested for the machinery to run longer and faster to meet high efficiency and energy sustainable development goals.So,it is important to explore new lubricant materials and lubrication technology.Characterized by a layered structure,layered zirconium phosphate has been paid attention and conducted systematic research on solid lubricant properties.Recent researches are reviewed in this paper,with focuses on material synthesis,the perform...

Taiyuan University of technology 2017,48(03): DAI Yingjing，ZHANG Xiaosheng，XU Hong，DONG Jinxiang. ;

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Structure, Fluorescence and Hg2+ Sensitivity of Nitrogen-Doped Carbon Dots

To study the effect of the kind of nitrogen source on the structure and fluorescence properties of nitrogen-doped carbon dots (NCDs) and the selectivity and sensitivity of NCDs towards Hg2+ detection,this paper aims at the preparation of NCDs on the basis of preliminary researches in our group,in which NCDs were synthesized by a one-step hydrothermal method using citric acid as carbon source,urea and ammonia solution as nitrogen source,respectively.The effect of nitrogen source on the structure,f...

Taiyuan University of technology 2017,48(03): ZHANG Yi，YANG Yongzhen，LIU Xuguang. ;

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The Recent Progress in Interface Research of Organic Light Emitting Device

Organic light emitting diode (OLED) exhibits such properties as light,thin,flexible,low-consumption,area source,and fast response,which will be novel generation plane display and solid luminance source in future.However,two main technical bottlenecks hold back the development of OLED,which are rather lower efficiency and worse stability relative to liquid crystal display or light emitting diode (LED).In recent years,it has been identified that device performance of OLED shows close relationship w...

Taiyuan University of technology 2017,48(03): CHEN Weihua, WANG Hua, XU Bingshe. ;

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Influence of Pre-adsorption Hydrogen on the Adsorption of Atomic Nitrogen on Ti(0001) Surface:A First-Principles Study

The adsorption of atomic nitrogen on the Ti(0001) surface and the effect of pre-adsorption hydrogen atom were studied by first-principles density functional theory approach for nitrogen coverage ranging from 0.25 to 1.00 monolayer(ML).It is found that the on-surface hcp site is the most energetically stable and that the fcc site takes the second place.In the subsurface region,nitrogen atoms prefer to adsorb at oct sites.The calculation showed that the bonding strength increases with the increase ...

Taiyuan University of technology 2017,48(03): ZHANG Ying，HEI Hongjun，MA Yong，LI Xiuyan，TANG Bin. ;

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Recent Progress in Corrosion Properties of High Entropy Alloys

Strong corrosion resistance is an excellent characteristic of some high entropy alloys (HE As),but there is no comprehensive study on the influence factors of HEAs corrosion resistance.In this paper,the research progress of corrosion resistance and its influencing factors of HEAs are reviewed.The influence of preparation method and alloy composition on the corrosion resistance of HEAs is summarized,and the future development of high entropy alloys is prospected.In addition,the current and potenti...

Taiyuan University of technology 2017,48(03): ZHANG Min，ZHANG Yong，QIAO Junwei. ;

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Solubility Measurement and Correlation of Carbazole in Four Solvents

The solubilities of carbazole were determined in four organic solvents,N,N-dimethyl formamide,xylene,tetrachloroethylene,and diethylene glycol dimethyl ether using a self-made liquid-solid equilibrium equipment.The solubility data were correlated by the modified Apelblat model,vant Hoff equation and λh equation,separately.The results show that the solubility of carbazole in four investigated solvents increased with increasing temperature,a big discrepancy of solubility was found in different sol...

Taiyuan University of technology 2017,48(03): DING Xiaoxiao，YE Cuiping，LI Wenying，MU Hai，FENG Jie. ;

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Effect of Different Gelling Solvents on the Performance of Catalysts in One-Step Synthesis of DME

During the gelling process of precursor preparation,three different solvents (ethanol,ethylene glycol and water) were used to prepare the CuZnAlSi slurry catalysts by complete liquid phase technology,in order to investigate the gelling solvent effects on the catalytic performance for one-step synthesis of DME.The catalysts were characterized by XRD, TEM, N2-adsorption, H2-TPR, NH3-TPD and XPS.The results indicate that the catalysts prepared by different gelling solvents obviously affected Cu0 par...

Taiyuan University of technology 2017,48(03): ZHANG Lin，LU Xiao，HUANG Wei，SHI Peixiang，BIAN Zhongkai. ;

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Research Status and Further Development of Vibratory Finishing Technology

Since 1950s,vibratory finishing technology has been continuously applied by industry and has had an important impact in the field of deburring and finishing.The conception of vibratory finishing technology was introduced in this paper.The vibratory finishing machines and features were analyzed from the aspects of excitation mode,fixture design,container type,isolation spring,discharge mode,screening function,media circulation and processing control.The research progress of vibratory finishing tec...

Taiyuan University of technology 2017,48(03): YANG Shengqiang，WANG Xiuzhi，LI Wenhui. ;

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Experimental Study on the Horizontal Vibration Finishing Process for Non-free Parts

The processing and force test of workpiece at different locations in the X-Z plane of the tube vibratory finishing were implemented.The process mechanism of vibratory finishing was investigated from the force perspective to guide the actual processing and production.By changing the processing location of the workpiece,the decrease rate of the surface roughness normalized value Ra* and mean force at different sampling points in the horizontal direction were found to be wholly close to each other a...

Taiyuan University of technology 2017,48(03): LIU Rui，LI Wenhui，LI Xiuhong，WANG Peng. ;

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The Research Progress of Mining Subsidence Effect on Safe Operation of Utra-High Voltage Power Lines

On the basis of the geological and mining conditions of a mine in Datong,a comprehensive research method combining the theory of mining subsidence,the surface movement observation on spot and the numerical simulation was adopted to investigate the subsidence reduction and protection problems of the coal seam group mining under the high voltage power lines.The research conclusions are:designed the exploring roadways is parallel to high-voltage lines,making the high-voltage line in the roadways coa...

Taiyuan University of technology 2017,48(03): SONG Xuanmin，WANG Xiaoyi，JI Xianyu，ZHOU Yubo，ZHAO Yanhai，CHAI Zhaoyun. ;

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Research Advance in Karst Springs of Shanxi Province

Shanxi is such a province with the largest karst distribution in Northern China,where 19 large karst springs are identified to provide important sources of the water supply in Shanxi.This paper reviews the research results of the karst springs in Shanxi from 8 perspectives of spring flow trend,precipitation recharge and time-lag,evaluation of karst water resources,water chemistry and environmental isotopes,vulnerability,impacts of coal mining and engineering activities on karst groundwater,deline...

Taiyuan University of technology 2017,48(03): XU Yongxin，ZHANG Zhixiang，ZHANG Yongbo，LIANG Yongping，CAO Jianhua，JIANG Zhongcheng. ;

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Progress of Water Storage Pit Irrigation

Water storage pit irrigation is a new middle-depth tridimensional irrigation method,which is suitable for orchard and arboretum in arid and semi-arid region of China.By searching the relevant literatures and studies in recent years,this paper systematically summarized and analyzed its water-saving,fertilizer conservation and yield improvement mechanisms in orchard SPAC system under water storage pit irrigation,and reviewed the application problems of this new irrigation technique.It can provide a...

Taiyuan University of technology 2017,48(03): MA Juanjuan, ZHENG Lijian, SUN Xihuan, GUO Xianghong, LI Yongye. ;

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