Search Results - "Liu, Dagang"

Field test of thermal environment and thermal adaptation of workers in high geothermal tunnel by Yunpeng, Hu, Mingnian, Wang, Qiling, Wang, Dagang, Liu, Jianjun, Tong

“…During the process of constructing high geothermal tunnels on plateaus, people easily feel uncomfortable in the extremely hot (>45 °C), humid(>70%), and…”
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Fabrication and properties of transparent polymethylmethacrylate/cellulose nanocrystals composites by Liu, Haiyun, Liu, Dagang, Yao, Fei, Wu, Qinglin

“…Nano-sized cellulose crystals were fabricated from microcrystalline cellulose (MCC) using combined sulfuric acid hydrolysis and high-pressure homogenization…”
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A study on strength characteristics of concrete under variable temperature curing conditions in ultra-high geothermal tunnels by Wang, Mingnian, Hu, Yunpeng, Wang, Qiling, Tian, Hongtao, Liu, Dagang

“…•A new concrete curing mode of variable high-temperature was proposed.•Temperature and RH had diverse effects on the macro and micro properties of…”
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Preparation and characterization of nano-cellulose with new shape from different precursor by Maiti, Sonakshi, Jayaramudu, J., Das, Kunal, Reddy, Siva Mohan, Sadiku, Rotimi, Ray, Suprakas Sinha, Liu, Dagang

“…Facile synthesis and characterization of nano-cellulose with different shape which was completely different from conventional nano-cellulose like nano fibrils,…”
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Cellulose Nanocrystal/Poly(ethylene glycol) Composite as an Iridescent Coating on Polymer Substrates: Structure-Color and Interface Adhesion by Gu, Mingyue, Jiang, Chenyu, Liu, Dagang, Prempeh, Nana, Smalyukh, Ivan I

“…The broad utility as an environmentally friendly and colorful coating of cellulose nanocrystal (CNC) was limited by its instability of coloration, brittleness,…”
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Effects of cellulose nanofibrils on the structure and properties on PVA nanocomposites by Liu, Dagang, Sun, Xun, Tian, Huafeng, Maiti, Sonakshi, Ma, Zhongshi

“…A green method—joint mechanical grinding and high pressure homogenization—was used to defibrillate paper pulp into nanofibrils. The prepared cellulose…”
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Recycled chitosan nanofibril as an effective Cu(II), Pb(II) and Cd(II) ionic chelating agent: Adsorption and desorption performance by Liu, Dagang, Li, Zehui, Zhu, Yi, Li, Zhenxuan, Kumar, Rakesh

“…•Nanofibrillar chitosan exhibited cross-linked and multi-porous networks.•qmax of heavy metal ions loaded by nanofibrils was much higher than reported chitosan…”
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CHIPIC: An Efficient Code for Electromagnetic PIC Modeling and Simulation by Zhou, Jun, Liu, Dagang, Liao, Chen, Li, Zhenghao

“…Computer-aided highly efficient electromagnetic particle-in-cell (PIC) (CHIPIC) code, developed at the University of Electronic Science and Technology of…”
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Mechanical behavior and constitutive model of shotcrete–rock interface subjected to heat damage and variable temperature curing conditions by Yunpeng, Hu, Mingnian, Wang, Zhilong, Wang, Qiling, Wang, Dagang, Liu

“…•Failure modes and mechanical properties of shotcrete-rock interface were discussed.•High temperatures had impact on macroscopic and microcosmic properties of…”
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Starch composites reinforced by bamboo cellulosic crystals by Liu, Dagang, Zhong, Tuhua, Chang, Peter R., Li, Kaifu, Wu, Qinglin

“…Using a method of combined HNO 3–KClO 3 treatment and sulfuric acid hydrolysis, bamboo cellulose crystals (BCCs) were prepared and used to reinforce glycerol…”
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Adsorption Behavior of Heavy Metal Ions from Aqueous Solution by Soy Protein Hollow Microspheres by Liu, Dagang, Li, Zehui, Li, Wei, Zhong, Zhengrong, Xu, Jianqiang, Ren, Jinjing, Ma, Zhongshi

“…Heavy metals have become ecotoxicological hazards owing to their tendency to not degrade but accumulate in the vital organs of biological bodies. Biosorption…”
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3D wet-spinning printing of wearable flexible electronic sensors of polypyrrole@polyvinyl formate by Qian, Jun, Xiao, Ruimin, Su, Fan, Guo, Mengna, Liu, Dagang

“…[Display omitted] •Printing ink of polyvinyl formate was wet-spinning and mold into 3D elastic architectures.•3D PPy@PVFm was fabricated into wearable…”
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A limit equilibrium model for the reinforced face stability analysis of a shallow tunnel in cohesive-frictional soils by Zhang, Xiao, Wang, Mingnian, Wang, Zhilong, Li, Jiawang, Tong, Jianjun, Liu, Dagang

“…•This model is established based on the failure mechanisms from the centrifuge tests.•This model is verified by comparing with the numerical and typical…”
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Bamboo fiber and its reinforced composites: structure and properties by Liu, Dagang, Song, Jianwei, Anderson, Debbie P., Chang, Peter R., Hua, Yan

“…Natural plant fibers have unequivocally contributed economic prosperity and sustainability in our daily lives. Particularly, bamboo fibers have been used for…”
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Structure and rheology of nanocrystalline cellulose by Liu, Dagang, Chen, Xiaoyu, Yue, Yiying, Chen, Mindong, Wu, Qinglin

“…Sulfate hydrolysis and high-pressure homogenization were combined to reduce the size of microcrystalline cellulose to the nanoscale. The obtained needle-shaped…”
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Chitin nanofibrils for rapid and efficient removal of metal ions from water system by Liu, Dagang, Zhu, Yi, Li, Zehui, Tian, Donglin, Chen, Lei, Chen, Peng

“…•Chitin nanofibers have width of about 50nm and length of more than 1μm.•Fixation trend of metal ions on CNF was Cd2+>Ni2+>Cu2+>Zn2+>Pb2+>Cr2+.•Sorption…”
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Experimental and numerical study on tunnel faces reinforced by horizontal bolts in sandy ground by Zhang, Xiao, Wang, Mingnian, Lyu, Cheng, Tong, Jianjun, Yu, Li, Liu, Dagang

“…•The failure zone of tunnel faces all showed a “chimney-wedge” pattern.•The tunnel face stability increased with an increasing bolt number.•The reinforcing…”
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Non-isothermal crystallization kinetics of polyvinyl alcohol plasticized with glycerol and pentaerythritol by Lv, Chang, Liu, Dagang, Tian, Huafeng, Xiang, Aimin

“…In this work, we chose different ratios of glycerol and pentaerythritol to plasticize PVA. The solid and liquid were compounded to plasticize PVA, because…”
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Research on parallel algorithm of high-power microwave devices simulation based on MPI-3 by Hu, Yulan, Liu, Dagang, Liu, Laqun, Wang, Huihui, Li, Qiang

“…Simulation of high-power microwave source devices generally uses parallel algorithms to speed up the operation. In recent years, with the upgrade of parallel…”
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Influence of magnetic shielding on electron dynamics characteristics of Penning ion source by Xie, Mengjun, Liu, Dagang, Liu, Laqun, Wang, Huihui

“…The dynamic behaviors of electrons in a miniature Penning ion source model are analyzed by the particle in cell/Monte Carlo collision particle simulation…”
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