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123篇 您的检索式:作者名="Wenbo Zhou"
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1Mapping wetland changes in China between 1978 and 2008显示文摘Four wetland maps for all China have been produced,based on Landsat and CBERS-02B remote sensing data between 1978 and 2008 (1978,1990,2000 and 2008).These maps were mainly developed by manual interpretation and validated by substantial field investigation in 2009.Based on these maps,we analyzed the 2008 wetland distribution in China and discussed wetland changes and their drivers over the past 30 years.(i) There were about 324097 km 2 of wetlands in 2008,for which inland marshes or swamps were the most common wetland type (35%),with lakes (26%) second.Most of the wetlands were in Heilongjiang,Inner Mongolia,Qinghai and Tibet,occupying about 55% of the national wetland area.(ii) From 1978 to 2008,China's wetland area continually and significantly decreased,by about 33% based on changes in the wetland map.This was in sharp contrast to the increase in artificial wetlands,which increased by about 122%.Inland marshes accounted for the main loss of total wetlands from 1978 to 2000.From 2000 through 2008,riverine and lacustrine wetlands constituted the main wetland loss.Fortunately however,the rate of wetland loss decreased from 5523 to 831 km 2 /a.(iii) The change ratio of lost natural wetlands (including inland and coastal wetlands) to non-wetlands has decreased slightly over the past 30 years.From 1978 to 1990,nearly all natural wetlands (98%) lost were transformed into non-wetlands.However,the ratio declined to 86% from 1990 to 2000,and to 77% from 2000 to 2008.(iv) All Chinese provinces were divided into three groups according to patterns of wetland changes,which could relate to the driving forces of such changes.Tibet was completely different from other provinces,as it was one representative example in which there was a net wetland increase,because of global warming and decreased human activity since 1990.Increased economic development caused considerable wetland loss in most eastern provinces,and artificial wetlands increased.NIU ZhenGuo ZHANG HaiYing WANG XianWei YAO WenBo ZHOU DeMin ZHAO KuiYi ZHAO Hui LI NaNa HUANG HuaBing LI CongCong YANG Jun LIU CaiXia LIU Shuang WANG Lin LI Zhan YANG ZhenZhong QIAO Fei ZHENG YaoMin CHEN YanLei SHENG YongWei GAO XiaoHong ZHU WeiHong WANG WenQing WANG Hong WENG YongLing ZHUANG DaFang LIU JiYuan LUO ZhiCai CHENG Xiao GUO ZiQi GONG Peng 2012Chinese Science Bulletin2012,57,22:51
2REE and C-O Isotopic Geochemistry of Calcites from the World-class Huize Pb-Zn Deposits,Yunnan,China:Implications for the Ore Genesis显示文摘在西南的中国,云南省的世界级的 Huize Pb-Zn 存款在 Sichuan-Yunnan-Guizhou Pb-Zn polymetallic metallogenic 省的中心定位了,在 Pb+Zn 等级有超过500万吨的 Pb+Zn 储备比25%高并且包含丰富的联系金属例如 Ag , Ge , Cd ,并且 Ga 。存款在更低的含碳的碳酸盐阶层和在 orefield 的北、西南的部分散布了的二叠的 Emeishan 暗岩被招待。方解石是在沉积物的主要矿石的唯一的脉石矿物质并且能被分类进三种类型,也就是笨重,根据他们的出现的补丁和静脉方解石。在方解石和矿石矿物质之间并且在方解石的三种类型之中有没设置的接触,显示他们是有不同阶段的一样的形成矿石的年龄,它的形成的顺序从对到静脉方解石的补丁笨重。HUANG Zhilong LI Xiaobiao ZHOU Meifu LI Wenbo JIN Zhongguo 2010Acta Geologica Sinica(English Edition)2010,84,3:42
3SHRIMP U-Pb dating for a K-bentonite bed in the Tieling Formation,North China显示文摘A SHRIMP U-Pb zircon age of 1437±21 Ma was obtained for a recently discovered K-bentonite bed in the Tieling Formation,situated northeast of Beijing at the boundary between Liaoning and Hebei provinces,on the northern margin of the North China Craton(NCC).The SHRIMP U-Pb age places Tieling Formation near the end of the Calymmian Period of the early Mesoproterozoic Era.In addition,a SHRIMP U-Pb zircon date of 1372±18 Ma was acquired for K-bentonite beds in the overlying,dark-shale-dominated Xiamaling Formation from the same location northeast of Beijing.This date assigns a similar Mid-Mesoproterozoic(Ectasian Period) age for the Xiamaling Formation,as have previously determined dates from other sections northwest of Beijing.These dates indicate that the Tieling and Xiamaling formations,as well as the related succession in the eastern part of the Yanshan Mountains,represented by the well-known Meso-to Neoproterozoic standard section in Jixian,can be correlated well with sections northwest of Beijing in the western part of the Yanshan Mountains.In other words,the boundary between the Calymmian and Ectasian periods in the northern parts of the NCC is marked by the unconformity between the Tieling and Xiamaling formations in the northern NCC.This boundary was previously ascribed to the 'Qinyu Orogeny' and thought to be of Grenville age.In this regard,the conventional 'Qinyu Orogeny' should now be regarded as a short-lived regional uplift during Early Mesoproterozoic time,rather than a result from the Grenvillian assembly of the NCC to the Rodinia Supercontinent(~1.0 Ga).SU WenBo LI HuaiKun HUFF W D ETTENSOHN F R ZHANG ShiHong ZHOU HongYing WAN YuSheng 2010Chinese Science Bulletin2010,55,29:30
4Landscape of emerging and re-emerging infectious diseases in China: impact of ecology, climate, and behavior显示文摘为过去的几十年,在中国的传染疾病侧面在社会、经济的方面,环境,食物的质量,水,住房,和公共健康基础结构与快速的开发一直在变。尤其是, 5 应具报的传染疾病几乎被根除了,并且 18 另外的应具报的传染疾病的发生显著地被减少了。出人意料地,包括 HIV,普鲁斯病,梅毒,和登革热发烧,超过 10 应具报的传染疾病的发生一直在增加。不过,经常的传染疾病爆发 / 事件每年几乎被报导了,并且进口了传染疾病自从 2015,增加了。已知的病原体的新病原体和超过 100 新遗传型或 serotypes 被识别了。一些传染疾病似乎被各种各样的因素加重,包括快速的都市化,大量候鸟工人,在气候的变化,生态学,和政策,例如把农田还给森林。这评论在设法出现和 re-emerging 从中国总结当前的经验和课传染疾病,特别生态学的效果,气候,和行为,它应该在帮助另外的国家控制并且阻止传染疾病有优点。Qiyong Liu Wenbo Xu Shan Lu Jiafu Jiang Jieping Zhou Zhujun Shao Xiaobo Liu Lei Xu Yanwen Xiong Han Zheng Sun Jin Hai Jiang Wuchun Cao Jianguo Xu 2018Frontiers of Medicine2018,12,1:23
5Respiratory Virus Multiplex RT-PCR Assay Sensitivities and Influence Factors in Hospitalized Children with Lower Respiratory Tract Infections显示文摘Multiplex RT-PCR assays have been widely used tools for detection and differentiation of a panel of respiratory viral pathogens. In this study, we evaluated the Qiagen ResPlex II V2.0 kit and explored factors influencing its sensitivity. Nasopharyngeal swab (NPS) specimens were prospectively collected from pediatric inpatients with lower respiratory tract infections at the time of admission in the Shenzhen Children's Hospital from May 2009 to April 2010. Total nucleic acids were extracted using the EZ1 system (Qiagen, Germany) and 17 respiratory viruses and genotypes including influenza A virus (FluA), FluB, parainfluenza virus 1 (PIV1), PIV2, PIV3, PIV4, respiratory syncytial virus (RSV), human metapneumovirus (hMPV), rhinoviruses (RhV), enteroviruses (EnV), human bocaviruses (hBoV), adenoviruses (AdV), four coronaviruses (229E, OC43, NL63 and HKU1), and FluA 2009 pandemic H1N1(H1N1-p) were detected and identified by the ResPlex II kit. In parallel, 16 real-time TaqMan quantitative RT-PCR assays were used to quantitatively detect each virus except for RhV. Influenza and parainfluenza viral cultures were also performed. Among the total 438 NPS specimens collected during the study period, one or more viral pathogens were detected in 274 (62.6%) and 201(45.9%) specimens by monoplex TaqMan RT-PCR and multiplex ResPlex, respectively. When results from monoplex PCR or cell culture were used as the reference standard, the multiplex PCR possessed specificities of 92.9-100.0%. The sensitivity of multiplex PCR for PIV3, hMPV, PIV1 and BoV were 73.1%, 70%, 66.7% and 55.6%, respectively, while low sensitivities (11.1%-40.0%) were observed for FluA, EnV, OC43, RSV and H1N1. Among the seven viruses/genotypes detected with higher frequencies, multiplex PCR sensitivities were correlated significantly with viral loads determined by the TaqMan RT-PCR in FluA, H1N1-p and RSV (p=0.011-0.000). The Qiagen ResPlex II multiplex RT-PCR kit possesses excellent specificity for simultaneous detection of 17 viral pathogens in NPS specimens in pediatric inpatients at the time of admission. The sensitivity of multiplex RT-PCR was influenced by viral loads, specimen process methods, primer and probe design and amplification condition.Jikui Deng Zhuoya Ma Wenbo Huang Chengrong Li Heping Wang Yuejie Zheng Rong Zhou Yi-Wei Tang 2013Virologica Sinica2013,28,2:14
6Eleven COVID-19 Outbreaks with Local Transmissions Caused by the Imported SARS-CoV-2 Delta VOC-China,July-August,2021显示文摘Starting from December 2019,Wuhan,China,encountered the first outbreak of coronavirus disease 2019(COVID-19)(1-2).The epidemic was successfully suppressed by strict containment so that the number of infected people was reduced to 0 on April 8,2020(3–4).After that,China experienced roughly 3 dozen outbreaks with local transmission caused by imported severe acute respiratory syndrome coronavirus 2(SARS-CoV-2).Lei Zhou Kai Nie Hongting Zhao Xiang Zhao Bixiong Ye Ji Wang Cao Chen Hong Wang Jiangli Di Jinsong Li Chao Li Zhixiao Chen Ruiqi Ren Peihua Niu Hui Chen Tao Chen Yali Wang Lili Li Bingxue Han Ruhan A Si Chen Dan Li Dan Li Chunxia Jin Xin Zhang Jiangmei Liu Chunyu Xu Yecheng Yao Yenan Feng Zhili Li Bike Zhang Yang Song Peter Hao Yanping Zhang Hao Li Qun Li George F.Gao Guoqing Shi Wenbo Xu 2021China CDC weekly2021,3,41:13
7Crystalline mesoporous metal oxide显示文摘后来,许多的发现我打酣睡的硅石,例如 SBA-15 , KIT-6 , FDU-12 和 SBA-16 ,多孔的水晶的转变金属氧化物例如 Cr2O3 , Co3O4 , In2O3 , NiO , CeO2 , WO3 , Fe2O3 和 MnO2 ,被综合了使用我酣睡的硅石同样难的模板。几个合成方法被开发了。这些新多孔的材料在催化作用, Li 离子可充电的电池和煤气的传感器有高潜在的应用程序。这篇文章在最后四年里给金属氧化物的多孔的晶体的研究的简短评论。Wenbo Yue Wuzong Zhou 2008Progress in Natural Science:Materials International2008,18,11:9
8Modulation of metabolic functions through Cas13d-mediated gene knockdown in liver显示文摘Dear Editor,RNA knockdown in vivo carries significant potential for dis-ease modeling and therapies.Despite the emerging approaches of CRISPR/Cas9-mediated permanent knock out of targeted genes,strategies targeting RNA for disruption are advantageous in the treatment of acquired metabolic disorders when permanent modification of genome DNA is not appropriate,and RNA virus infection diseases when pathogenic DNA is not available(such as SARS-Cov-2 and MERS infections).Bingbing He Wenbo Peng Jia Huang Hang Zhang Yingsi Zhou Xiali Yang Jing Liu Zhijle Li Chunlong Xu Mingxing Xue Hui Yang Pengyu Huang 2020Protein & Cell2020,11,7:7
9Influence of plastic film mulching and planting density on yield,leaf anatomy,and root characteristics of maize on the Loess Plateau显示文摘In rainfed areas of northwestern China,maize production is constrained mainly by low temperature during early growth and water limitation during the entire growth period.Plastic film mulching is commonly used to increase maize yield in this area,because it increases topsoil temperature and moisture content as well as water use efficiency.However,the physiological and anatomical bases of maize yield improvement with plastic film mulching are not well understood.The effects of plastic film mulching and planting density on maize yield,photosynthetic characteristics,respiration,leaf anatomy,and root growth were studied in a two-year field experiment conducted on the Loess Plateau of China in 2017 and 2018.The experiment used a split-split plot design with two mulching treatments(plastic film mulching and no mulching),two planting densities(7.5×104 and10.5×104 plants ha-1),and two maize cultivars,Zhengdan 958 and Xianyu 335.Compared with no mulching,plastic film mulching increased maize yields by 31.1%–46.4%in 2017 and3.6%–34.7%in 2018.Compared with low planting density,high planting density significantly increased and slightly reduced yields of both cultivars in the dry year 2017 and the rainy year 2018,respectively.Plastic film mulching increased photosynthesis and respiration as well as leaf stomatal density and aperture.Photosynthetic rate,dark respiration,and stomatal conductance and aperture were lower at high planting than at low planting density.Maize yield was positively correlated with photosynthesis,dark respiration,and stomatal aperture.Mulching increased root dry weight and length in the 0–20 cm soil layer and root activity at maturity.Overall,the changes in root growth and leaf anatomy resulted in increased photosynthesis and dark respiration,and the increased photosynthesis contributed to the increase in grain yield and biomass production under plastic film mulching conditions.Our results increase understanding of the physiological mechanisms by which plastic film mulching increases maize yield in water-and temperature-limited areas.Li Niu Yanyan Yan Peng Hou Wenbo Bai Rulang Zhao Yonghong Wang Shaokun Li Taisheng Du Ming Zhao Jiqing Song Wenbin Zhou 2020The Crop Journal2020,8,4:6
10A generalized multi-field coupling approach and its application to stability and deformation control of a high slope显示文摘Human activities,such as blasting excavation,bolting,grouting and impounding of reservoirs,will lead to disturbances to rock masses and variations in their structural features and material properties.These engineering disturbances are important factors that would alter the natural evolutionary processes or change the multi-field interactions in the rock masses from their initial equilibrium states.The concept of generalized multi-field couplings was proposed by placing particular emphasis on the role of engineering disturbances in traditional multi-field couplings in rock masses.A mathematical model was then developed,in which the effects of engineering disturbances on the coupling-processes were described with changes in boundary conditions and evolutions in thermo-hydro-mechanical(THM) properties of the rocks.A parameter,d,which is similar to damage variables but has a broader physical meaning,was conceptually introduced to represent the degree of engineering disturbances and the couplings among the material properties.The effects of blasting excavation,bolting and grouting in rock engineering were illustrated with various field observations or theoretical results,on which the degree of disturbances and the variations in elastic moduli and permeabilities were particularly focused.The influences of excavation and groundwater drainage on the seepage flow and stability of the slopes were demonstrated with numerical simulations.The proposed approach was further employed to investigate the coupled hydro-mechanical responses of a high rock slope to excavation,bolting and impounding of the reservoir in the dam left abutment of Jinping I hydropower station.The impacts of engineering disturbances on the deformation and stability of the slope during construction and operation were demonstrated.Chuangbing Zhou Yifeng Chen Qinghui Jiang Wenbo Lu 2011Journal of Rock Mechanics and Geotechnical Engineering2011,3,3:5
11An Imported Case and an Infected Close Contact of the Omicron Variant of SARS-CoV-2—Guangdong Province,China,December 13,2021显示文摘On November 27,2021,a 67-year-old male returning from Canada via airplane was transferred to the central isolation hotel in Shanghai.During the quarantine,his 1st,4th,7th,and 14th days of specimens returned negative for severe acute respiratory syndrome coronavirus 2(SARS-CoV-2),which causes coronavirus disease 2019(COVID-19).On December 11,he completed 14 days of centralized isolation and returned to Guangzhou from Shanghai via airplane,then he was closed-loop transferred to Yuexiu District for a 7-day home isolation.On December 12,the local Community Health Service Center routinely collected his throat swab and the result returned to COVID-19 positive on December 13,2021.He was transported to the Guangzhou Eighth People’s Hospital for isolated treatment by negative pressure ambulance on the same day.The patient had two inflamed lungs according to the chest computed tomography(CT)examination,but his most recently updated condition was stable.An estimated 600 close contacts were identified and were placed in centralized isolation.On December 16,one of the close contacts,a 70-year-old female also tested positive for COVID-19.She lived on the lower floor of the same type of apartment as the imported case and spent 19 hours in the same building.Kuibiao Li Zhonghua Zheng Xiang Zhao Qing Zeng Tengfei Zhou Qianfang Guo Yao Hu Wenbo Xu Zhoubin Zhang Baisheng Li 2022China CDC weekly2022,4,5:4
12Ionospheric disturbances associated with the 2015 M7.8 Nepal earthquake显示文摘Based on the total electron content(TEC) derived from Global Positioning System(GPS) observations of the Crustal Movement Observation Network of China(CMONOC) and the Global Ionosphere Map(GIM)from the Center for Orbit Determination in Europe(CODE),we detected and analyzed the ionospheric variations during the 2015 M7.8 Nepal earthquake(including the pre-earthquake ionospheric anomalies and coseismic ionospheric disturbances(CIDs) following the main shock).The analysis of vertical total electron content(VTEC) time series shows that the large-scale ionospheric anomalies appeared near the epicenter two days prior to the earthquake.Moreover,the pre-earthquake ionospheric anomalies were also observed in the geomagnetically conjugated region.In view of solar-terrestrial environment,the pre-earthquake ionospheric anomalies could be associated with the Nepal earthquake.In addition,we also detected the CIDs through the high-frequency GPS observation stations.The CIDs had obvious oscillated waveforms with the peak-to-peak disturbance amplitudes of about 1 TECu and 0.4 TECu,which propagated approximately with the horizontal velocities of 877 ± 75 m/s and 319 ± 30 m/s,respectively.The former is triggered directly by the acoustic waves which originated from the energy release of the earthquake near the epicenter,while the latter could be stimulated by the acoustic-gravity waves from the partial transformation of the acoustic waves.Yiyan Zhou Jian Yang Fuying Zhu Fanfan Su Liangchen Hu Wenbo Zhai 2017Geodesy and Geodynamics2017,8,4:4
13Identification of Histoplasma causing an unexplained disease cluster in Matthews Ridge, Guyana显示文摘Here,we report the identification of Histoplasma causing an unexplained disease cluster in Matthews Ridge,Guyana.In March 2019,14 employees of Chongqing Bosai Mining Company,China,working in a manganese mining of Guyana,had unexplained fever,and two of them died.We obtained lung and brain tissues as well as the blood samples from the two deceased cases(patient No.1 and 2),and bronchoscopy lavages and cerebrospinal fluid samples from one severe case(patient No.3),respectively.All samples were tested by pathological examination,high-throughput sequencing,and real-time PCR.Pathological detection showed the presence of spore-like structures in the lung tissue of patient No.1,indicating a fungal infection in this patient.Nanopore sequencing identified the existing of H.capsulatum in the lung tissue sample within 13 h.Next-generation sequencing identified specific fragments of H.capsulatum in all of the samples tested(lung,brain and blood serum from the deceased cases,and plasma from the severe case).Real-time PCR assays did not reveal any viral infection related to transmission from bat feces.We conclude that H.capsulatum was the causative pathogen of this disease cluster based on epidemiologic,clinical,pathological and nucleic acid evidence.Ji Wang Weimin Zhou Hua Ling Xiaoping Dong Yi Zhang Jiandong Li Yong Zhang Jingdong Song William J.Liu Yang Li Ruiqing Zhang Wei Zhen Kun Cai Shuangli Zhu Dongyan Wang Jinbo Xiao Yigang Tong Wenli Liu Lihua Song Wei Wu Yang Liu Xiang Zhao Ruihuan Wang Sheng Ye Jing Wang Roujian Lu Baoying Huang Fei Ye Wenwen Lei Rongbao Gao Qi Shi Cao Chen Jun Han Wenbo Xu George F.Gao Xuejun Ma Guizhen Wu 2019Biosafety and Health2019,1,3:3
14Energy release process of surrounding rocks of deep tunnels with two excavation methods显示文摘Numerical analysis of the total energy release of surrounding rocks excavated by drill-and-blast(D&B) method and tunnel boring machine(TBM) method is presented in the paper.The stability of deep tunnels during excavation in terms of energy release is also discussed.The simulation results reveal that energy release during blasting excavation is a dynamic process.An intense dynamic effect is captured at large excavation footage.The magnitude of energy release during full-face excavation with D&B method is higher than that with TBM method under the same conditions.The energy release rate(ERR) and speed(ERS) also have similar trends.Therefore,the rockbursts in tunnels excavated by D&B method are frequently encountered and more intensive than those by TBM method.Since the space after tunnel face is occupied by the backup system of TBM,prevention and control of rockbursts are more difficult.Thus,rockbursts in tunnels excavated by TBM method with the same intensity are more harmful than those in tunnels by D&B method.Reducing tunneling rate of TBM seems to be a good means to decrease ERR and risk of rockburst.The rockbursts observed during excavation of headrace tunnels at Jinping II hydropower station in West China confirm the analytical results obtained in this paper.Peng Yan Wenbo Lu Ming Chen Zhigang Shan Xiangrong Chen Yong Zhou 2012Journal of Rock Mechanics and Geotechnical Engineering2012,4,2:3
15Detection and Initial Response to a Type 2 Vaccine-Derived Poliovirus—Sichuan Province,China,2019显示文摘What is already known about this topic?After the type 2 strain of the live,attenuated poliovirus vaccine was withdrawn globally in 2016,any identification of a type 2 poliovirus is a Public Health Emergency of International Concern.A vaccinederived type 2 poliovirus(VDPV2)was identified in Sichuan,prompting an urgent,comprehensive investigation and response.What is added by this report?Type 2 monovalent,live,attenuated oral poliovirus vaccine(mOPV2)is being used to respond to the numerous VDPV2 outbreaks seen around the world.In contrast,the response in Sichuan used Sabin strain inactivated poliovirus(sIPV)to stop circulation of the VDPV2.In the 6 months following the vaccination response,there have been no VDPV2s detected in Sichuan,despite extensive search.What are the implications for public health practices?Further search for the VDPV2 must continue in order to determine whether transmission has been stopped.The ongoing investigation and response to the Sichuan VDPV2 is providing evidence to the Global Polio Eradication Initiative on managing VDPV2 outbreaks.Jiushun Zhou Ning Wen Yong Zhang Qi Qi Chunxiang Fan Dongmei Yan Xiaoping Zhu Lixin Hao Shuangli Zhu Yu Liu Xiaozhen Ma Chao Ma Lei Nan Yong Chen Qianli Ma Cheng Wang Kun Deng Lei Cao Ge Shao Xianxiang Ding Hong Yang Zhijie An Lance ERodewald Aiqiang Xu Huaqing Wang Zijian Feng Zundong Yin Xianping Wu Wenbo Xu 2020China CDC weekly2020,2,11:3
16Asymmetry of Testes in Guenther's Frog,Hylarana guentheri(Anuar:Ranidae)显示文摘Testes size in most animals commonly shows directional asymmetry.In birds,the left testis mass is usually larger than the right one,but the reports on the testes asymmetry in anurans are very few.M?ller(1994)hypothesized that the right testis serves a compensatory role and increases in size when the left one is defective,and further suggested that testes asymmetry may be a reliable indicator of individual body condition.In this paper,we tested the compensation hypothesis in the Guenther's frog,Hylarana guentheri.From 60 sampled males,we found that there was a signifi cant directional asymmetry in testes mass,with the left testis size being significantly correlated with relative testes asymmetry,providing evidence that the right testis had a compensatory function.However,testes mass and asymmetry were not correlated with body condition.Hence,we found no evidence that testes asymmetry in the Guenther's frog ref lected male condition,and male age was also not related to testes mass or asymmetry.Yanhong LIU Wenbo LIAO Caiquan ZHOU Zhiping MI Min MAO 2011Asian Herpetological Research2011,2,4:3
17Mechanical properties and frictional resistance of Al composites reinforced with Ti3C2Tx MXene显示文摘Two-dimensional(2D)Ti3C2Tx MXene is an attractive additive not only used in base oil due to its low friction coefficient,but also used in composites due to its high aspect ratio and rich surface functional groups.So far there has been intense research into polymer matrix composites reinforced with Ti3C2Tx,Here we report on the use of 2D Ti3C2Tx to enhance the mechanical and frictional properties of Al matrix composites.Ti3C2Tx/Al composites were designed and prepared by pre s sureless sintering followed by hot extrusion technique.The prepared composites exhibit a homogeneous distribution of Ti3C2Tx.The Vickers hardness and the tensile strength continuously increase with increasing Ti3C2Tx content.A hardness of 0.52 GPa and a tensile strength of 148 MPa were achieved in the 3 wt%Ti3C2Tx/Al composite.The frictional properties of pure Al and the Ti3C2Tx/Al composite were comparably studied under dry sliding.A low friction coefficient of 0.2,twice lower than that of pure Al,was achieved in the 3 wt%Ti3C2Tx/Al composite.Ti3C2Tx acting as a solid lubricant reduces the abrasive wear in the composite,improving the frictional properties of Al matrix composites.Jie Hu Shibo Li Jing Zhang Qiuying Chang Wenbo Yu Yang Zhou 2020Chinese Chemical Letters2020,31,4:3
18From illite/smectite clay to mesoporous silicate adsorbent for efficient removal of chlortetracycline from water显示文摘A series of mesoporous silicate adsorbents with superior adsorption performance for hazardous chlortetracycline(CTC) were sucessfully prepared via a facile one-pot hydrothermal reaction using low-cost illite/smectite(IS) clay,sodium silicate and magnesium sulfate as the starting materials.In this process,IS clay was 'teared up' and then 'rebuilt' as new porous silicate adsorbent with high specific surface area of 363.52 m^2/g(about 8.7 folds higher than that of IS clay) and very negative Zeta potential(- 34.5 mV).The inert Si- O- Si(Mg,Al) bonds in crystal framework of IS were broken to form Si(Al)- O^- groups with good adsorption activity,which greatly increased the adsorption sites served for holding much CTC molecules.Systematic evaluation on adsorption properties reveals the optimal silicate adsorbent can adsorb 408.81 mg/g of CTC(only 159.7 mg/g for raw IS clay) and remove 99.3%(only 46.5%for raw IS clay) of CTC from 100 mg/L initial solution(pH 3.51;adsorption temperature 30℃;adsorbent dosage,3 g/L).The adsorption behaviors of CTC onto the adsorbent follows the Langmuir isotherm model,Temkin equation and pseudo second-order kinetic model.The mesopore adsorption,electrostatic attraction and chemical association mainly contribute to the enhanced adsorption properties.As a whole,the high-efficient silicate adsorbent could be candidates to remove CTC from the wastewater with high amounts of CTC.Wenbo Wang Guangyan Tian Li Zong Yanmin Zhou Yuru Kang Qin Wang Aiqin Wang 2017Journal of Environmental Sciences2017,29,1:2
19Stochastic response surface method for reliability analysis of rock slopes involving correlated non-normal variables显示文摘Dianqing Li Yifeng Chen Wenbo Lu Chuangbing Zhou 2010Computers and Geotechnics2010,,1:2
20Dynamic response of rock mass induced by the transient release of in-situ stress显示文摘Wenbo Lu Jianhua Yang Peng Yan Ming Chen Chuangbing Zhou Yi Luo Li Jin 2012International Journal of Rock Mechanics and Mining Sciences2012,,:2
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