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| 1 | Biomass-Derived Porous Carbon-Based Nanostructures for Microwave Absorption显示文摘Currently,electromagnetic(EM) pollution poses severe complication toward the operation of electronic devices and biological systems.To this end,it is pertinent to develop novel microwave absorbers through compositional and structural design.Porous carbon(PC)materials demonstrate great potential in EM wave absorption due to their ultralow density,large surface area,and excellent dielectric loss ability.However,the large-scale production of PC materials through low-cost and simple synthetic route is a challenge.Deriving PC materials through biomass sources is a sustainable,ubiquitous,and low-cost method,which comes with many desired features,such as hierarchical texture,periodic pattern,and some unique nanoarchitecture.Using the bio-inspired microstructure to manufacture PC materials in mild condition is desirable.In this review,we summarize the EM wave absorption application of biomass-derived PC materials from optimizing structureand designing composition.The corresponding synthetic mechanisms and development prospects are discussed as well.The perspective in this field is given at the end of the article. | Huanqin Zhao Yan Cheng Wei Liu Lieji Yang Baoshan Zhang Luyuan Paul Wang Guangbin Ji Zhichuan J.Xu | 2019 | Nano-Micro Letters2019,11,2: | 12 |
| 2 | A Flexible and Lightweight Biomass-Reinforced Microwave Absorber显示文摘Developing a flexible,light-weight and effective electromagnetic(EM)absorber remains challenging despite being on increasing demand as more wearable devices and portable electronics are commercialized.Herein,we report a flexible and lightweight hybrid paper by a facile vacuumfiltration-induced self-assembly process,in which cotton-derived carbon fibers serve as flexible skeletons,compactly surrounded by other microwave-attenuating components(reduced graphene oxide and Fe3O4@C nanowires).Owing to its unique architecture and synergy of the three components,the asprepared hybrid paper exhibits flexible and lightweight features as well as superb microwave absorption performance.Maximum absorption intensity with reflection loss as low as-63 dB can be achieved,and its broadest frequency absorption bandwidth of 5.8 GHz almost covers the entire Ku band.Such a hybrid paper is promising to cope with ever-increasing EM interference.The work also paves the way to develop low-cost and flexible EM wave absorber from biomass through a facile method. | Yan Cheng Justin Zhu Yeow Seow Huanqin Zhao Zhichuan JXu Guangbin Ji | 2020 | Nano-Micro Letters2020,12,10: | 7 |
| 3 | Mobile emergency (surgical) hospital: Development and application in medical relief of "4.20" Lushan earthquake in Sichuan Province, China显示文摘 | Bin Cheng Ruofei Shi Dingyuan Du Ping Hu Jun Feng Guangbin Huang Anning Cai Wei Yin Ronggang Yang | 2015 | Chinese Journal of Traumatology2015,18,1: | 5 |
| 4 | The Ice Sheet Height Changes and Mass Variations in Antarctica by Using ICESat and GRACE Data显示文摘 | WEN Hanjiang ZHU Guangbin CHENG Pengfei | 2011 | International Journal of Image and Data Fusion2011,2,3: | 1 |
| 5 | Enhancement of photocatalytic activity over NaBiO 3 /BiOCl composite prepared by an in situ formation strategy显示文摘 | Xiaofeng Chang Gang Yu Jun Huang Zheng Li Shufeng Zhu Pingfeng Yu Cheng Cheng Shubo Deng Guangbin Ji | 2010 | Catalysis Today2010,,3: | 1 |
| 6 | Synthesis of cyclonite (RDX) in the presence of ionic liquids 显示文摘 | Cheng Guangbin Li Xia Qi Xiufang | 2010 | Journal of Energetic Materials2010,28,1: | 1 |
| 7 | No effect of exogenous melatonin on development of cryopreserved metaphase Ⅱ oocytes in mouse显示文摘Background:This study was conducted to investigate effect of exogenous melatonin on the development of mouse mature oocytes after cryopreservation.Results:First,mouse metaphase Ⅱ(MII) oocytes were vitrified in the open-pulled straws(OPS).After warming,they were cultured for 1 h in M_2 medium containing melatonin at different concentrations(0,10^(-9),10^(-7),10^(-5),10^(-3)mol/L).Then the oocytes were used to detect reactive oxygen species(ROS) and glutathione(GSH) levels(fluorescence microscopy),and the developmental potential after parthenogenetic activation.The experimental results showed that the ROS level and cleavage rate in 10^(-3) mol/L melatonin group was significantly lower than that in melatonin-free group(control).The GSH levels and blastocyst rates in all melatonin-treated groups were similar to that in control.Based on the above results,we detected the expression of gene Hsp90aa1,Hsf1,Hspa1 b,Nrf2 and Bcl-x1 with qRT-PCR in oocytes treated with 10^(-7),or 10^(-3) mol/L melatonin and untreated control.After warming and culture for 1 h,the oocytes showed higher Hsp90aa1 expression in 10^(-7) mol/L melatonin-treated group than in the control(P<0.05);the Hsf1,Hsp90aa1 and Bcl-x1 expression were significantly decreased in 10^(-3) mol/L melatonin-treated group when compared to the control.Based on the above results and previous research,we detected the development of vitrified-warmed oocytes treated with either 10^(-7) or 0 mol/L melatonin by in vitro fertilization.No difference was observed between them.Conclusions:Our results indicate that the supplementation of melatonin(10^(-9) to 10^(-3) mol/L) in culture medium and incubation for 1 h did not improve the subsequent developmental potential of vitrified-warmed mouse MII oocytes,even if there were alteration in gene expression. | Wei Li Keren Cheng Yue Zhang Qinggang Meng Shi'en Zhu Guangbin Zhou | 2015 | Journal of Animal Science and Biotechnology2015,6,4: | 0 |
| 8 | Direct generation of Zn metal using laser-induced ZnS to eradicate carbon emissions from electrolysis Zn production显示文摘In response to the goal of net-zero emissions proposed by Intergovernmental Panel on Climate Change, Chinese government has pledged that carbon emissions will peak by 2030, and achieve carbon neutrality by 2060. However, the high carbon energy structure of traditional industries has aggravated environmental problems, such as greenhouse effect and air pollution. The goal of carbon neutrality will be difficult to achieve without the development of disruptive theories and technologies. The electrolytic zinc industry requires high-temperature roasting at ~1000 ℃, generating large amounts of greenhouse gases and SO_(2). High concentrations of sulfuric acid (200 g/L) are subsequently used for electrolysis, and each ton of zinc produced generates 50 kg of anode slime with lead content of up to 16%, as well as 0.35 m3 of wastewater containing zinc and lead. To solve these problems, an optical metallurgy method is proposed in this study. The proposed method uses laser-induced photoreduction to decompose ZnS and reduce metal ions to metal. Results indicate that Zn0 and S8 can be detected on the surface of ZnS at a specific wavelength and laser fluence. The generation mechanism of Zn0 is such that laser induces an electronic transition that breaks ionic bond in ZnS, resulting in its decomposition and photoreduction to Zn0 under an inert argon gas atmosphere. This method does not reduce other metals in the mineral since it does not use high-temperature roasting, providing a new way of producing high-purity metal without greenhouse gas emissions and heavy metal pollution caused by traditional zinc electrolysis. | Ying Chen Ning Duan Linhua Jiang Fuyuan Xu Guangbin Zhu Yao Wang Yong Liu Wen Cheng Yanli Xu | 2024 | Frontiers of Environmental Science & Engineering2024,18,1: | 0 |
| 9 | Effect of solid mass flux on anisotropic gas-solid flow in risers determined with an LES-SOM model显示文摘 | Juhui Chen Cheng Meng Shuai Wang Guangbin Yu Ting Hu Feng Lin | 2017 | Particuology2017,15,5: | 0 |
| 10 | The skeleton of 5,7-fused bicyclic imidazole-diazepine for heat-resistant energetic materials显示文摘In light of the low yields and complex reaction routes of some well-known 5,5-fused and 5,6-fused bicyclic compounds,a series of 5,7-fused bicyclic imidazole-diazepine compounds were developed with high yields by only two efficient steps.Significantly,the seven-membered heterocyclic ring has a stable energetic skeleton with multiple modifiable sites.However,the 5,7-fused bicyclic energetic compounds were rarely reported in the area of energetic materials.Three neutral compounds 1,2 and 4 were synthesized in this work.To improve the detonation performances of the 5,7-fused neutral compounds,corresponding perchlorate 1a and 2a were further developed.The physicochemical and energetic performances of all newly developed compounds were experimentally determined.All newly prepared energetic compounds exhibit high decomposition temperatures(Td:243.8-336℃)and low mechanical sensitivities(IS:>15 J,FS:>280 N).Among them,the velocities performances of 1a(Dv=7651 m/s)and 4(Dv=7600 m/s)are comparable to that of typical heat-resistant energetic material HNS(Dv=7612 m/s).Meanwhile,the high decomposition temperature and low mechanical sensitivities(Td=336℃;IS=32 J;FS>353 N)of 4 are superior to that of HNS(Td=318℃;IS=5 J;FS=250 N).Hence,the 5,7-fused bicyclic compounds with high thermostability,low sensitivities and adjustable detonation performance have a clear tendency to open up a new space for the development of heat-resistant energetic materials. | Xiaoxiao Zheng Yubing Xue Changhao Dai Hongwei Yang Guangbin Cheng | 2023 | Defence Technology(防务技术)2023,27,9: | 0 |
| 11 | Optimizing satellite ground station facilities scheduling for RSGS:a novel model and algorithm显示文摘As the rapid increasing of the number of the satellites,the number of facilities of the satellite ground stations is becoming insuffcient and the conflicts of serving satellite data missions exist.To make full use of the facilities of the China Remote Sensing Satellite Ground Station(RSGS),scheduling optimization of these facilities was studied in this paper,which was not well-solved by the original method in the operation system of RSGS.The problem is formulated as a continuous time-based mixed integer linear programming(MILP)model.A decomposition optimization algorithm is proposed to solve the large-scale problem,which is difficult to solve using traditional methods.In the first step,the particle swarm optimization(PsO)algorithm is used to optimize the multi-ground station relay tasks,and the multi-ground station optimization problem is transformed into several single ground station optimization problems.Next,in two additional steps,optimization of the facilities at a single ground station is performed to further reduce the size of the model.The proposed method has been applied to operations systems of RSGS,and the approach presented in this article has demonstrated stable performance and suffcient efficiency online,resulting in the automation of facility scheduling. | Miaomiao Tian Guangbin Ma Peng Huang Bo Cheng Wei Li | 2023 | International Journal of Digital Earth2023,16,1: | 0 |