维普中文期刊产品整合服务
25篇 您的检索式:作者名="Liwei Hou"
    题名 作者 年代 出处 被引量
1Uplift of the Longmen Shan range and the Wenchuan earthquake显示文摘Zhiqin Xu Shaocheng Ji Haibing Li Liwei Hou Xiaofang Fu Zhihui Cai 2008Episodes2008,31,3:106
2Ultrasound enhanced heterogeneous activation of peroxydisulfate by bimetallic Fe-Co/GAC catalyst for the degradation of Acid Orange 7 in water显示文摘Bimetallic Fe-Co/GAC(granular activated carbon) was prepared and used as heterogeneous catalyst in the ultrasound enhanced heterogeneous activation of peroxydisulfate(PS, S2O2-8) process. The effect of initial pH, PS concentration, catalyst addition and stirring rate on the decolorization of Acid Orange 7(AO7) was investigated. The results showed that the decolorization efficiency increased with an increase in PS concentration from 0.3 to 0.5 g/L and an increase in catalyst amount from 0.5 to 0.8g/L. But further increase in PS concentration and catalyst addition would result in an unpronounced increase in decolorization efficiency. In the range of 300 to 900 r/min, stirring rate had little effect on AO7 decolorization. The catalyst stability was evaluated by measuring decolorization efficiency for four successive cycles.Chun Cai Liguo Wang Hong Gao Liwei Hou Hui Zhang 2014Journal of Environmental Sciences2014,26,6:16
3Application of next-generation sequencing technology to precision medicine in cancer: joint consensus of the Tumor Biomarker Committee of the Chinese Society of Clinical Oncology显示文摘Next-generation sequencing(NGS) technology is capable of sequencing millions or billions of DNA molecules simultaneously.Therefore, it represents a promising tool for the analysis of molecular targets for the initial diagnosis of disease, monitoring of disease progression, and identifying the mechanism of drug resistance. On behalf of the Tumor Biomarker Committee of the Chinese Society of Clinical Oncology(CSCO) and the China Actionable Genome Consortium(CAGC), the present expert group hereby proposes advisory guidelines on clinical applications of NGS technology for the analysis of cancer driver genes for precision cancer therapy. This group comprises an assembly of laboratory cancer geneticists, clinical oncologists, bioinformaticians,pathologists, and other professionals. After multiple rounds of discussions and revisions, the expert group has reached a preliminary consensus on the need of NGS in clinical diagnosis, its regulation, and compliance standards in clinical sample collection. Moreover, it has prepared NGS criteria, the sequencing standard operation procedure(SOP), data analysis, report, and NGS platform certification and validation.Xuchao Zhang Zhiyong Liang Shengyue Wang Shun Lu Yong Song Ying Cheng Jianming Ying Weiping Liu Yingyong Hou Yangqiu Li Yi Liu Jun Hou Xiufeng Liu Jianyong Shao Yanhong Tai Zheng Wang Li Fu Hui Li Xiaojun Zhou Hua Bai Mengzhao Wang You Lu Jinji Yang Wenzhao Zhong Qing Zhou Xuening Yang Jie Wang Cheng Huang Xiaoqing Liu Xiaoyan Zhou Shirong Zhang Hongxia Tian Yu Chen Ruibao Ren Ning Liao Chunyan Wu Zhongzheng Zhu Hongming Pan Yanhong Gu Liwei Wang Yunpeng Liu Suzhan Zhang Tianshu Liu Gong Chen Zhimin Shao Binghe Xu Qingyuan Zhang Ruihua Xu Lin Shen Yilong Wu 2019Cancer Biology & Medicine2019,16,1:14
4Human carboxylesterases:a comprehensive review显示文摘Mammalian carboxylesterases(CEs) are key enzymes from the serine hydrolase superfamily.In the human body, two predominant carboxylesterases(CES1 and CES2) have been identified and extensively studied over the past decade. These two enzymes play crucial roles in the metabolism of a wide variety of endogenous esters, ester-containing drugs and environmental toxicants. The key roles of CES in both human health and xenobiotic metabolism arouse great interest in the discovery of potent CES modulators to regulate endobiotic metabolism or to improve the efficacy of ester drugs. This review covers the structural and catalytic features of CES, tissue distributions, biological functions, genetic polymorphisms, substrate specificities and inhibitor properties of CES1 and CES2, as well as the significance and recent progress on the discovery of CES modulators. The information presented here will help pharmacologists explore the relevance of CES to human diseases or to assign the contribution of certain CES in xenobiotic metabolism. It will also facilitate medicinal chemistry efforts to design prodrugs activated by a given CES isoform, or to develop potent and selective modulators of CES for potential biomedical applications.Dandan Wang Liwei Zou Qiang Jin Jie Hou Guangbo Ge Ling Yang 2018Acta Pharmaceutica Sinica B2018,8,5:14
5Robust RGB-D Camera and IMU Fusion-based Cooperative and Relative Close-range Localization for Multiple Turtle-inspired Amphibious Spherical Robots显示文摘In the narrow, submarine, unstructured environment, the present localization approaches, such as GPS measurement, dead?rcckoning, acoustic positioning, artificial landmarks-based method, are hard to be used for multiple small-scale underwater robots. Therefore, this paper proposes a novel RGB-D camera and Inertial Measurement Unit (IMU) fusion-based cooperative and relative close-range localization approach for special environments, such as underwater caves. Owing to the rotation movement with zero-radius, the cooperative localization of Multiple Turtle-inspired Amphibious Spherical Robot (MTASRs) is realized. Firstly, we present an efficient Histogram of Oriented Gradient (HOG) and Color Names (CNs) fusion feature extracted from color images ofTASRs. Then, by training Support Vector Machine (SVM) classifier with this fusion feature, an automatic recognition method of TASRs is developed. Secondly, RGB-D camerabased measurement model is obtained by the depth map In order to realize the cooperative and relative close-range localization of MTASRs, the MTASRs model is established with RGB-D camera and IMU. Finally, the depth measurement in water is corrected and the efficiency of RGB-D camera for underwater application is validated. Then experiments of our proposed localization method with three robots were conducted and the results verified the feasibility of the proposed method for MTASRs.Huiming Xing Liwei Shi Kun Tang Shuxiang Guo Xihuan Hou Yu Liu Huikang Liu Yao Hu 2019Journal of Bionic Engineering2019,16,3:6
6A Fuzzy PID Algorithm for a Novel Miniature Spherical Robots with Three-dimensional Underwater Motion Control显示文摘We proposed and developed a small bionic amphibious spherical robot system for tasks such as coastal environment monitoring and offshore autonomous search and rescue.Our third-generation bionic small amphibious spherical robots have many disadvantages,such as the lack of maneuverability and a small operating range.It is difficult to accomplish underwater autonomous motion control with these robots.Therefore,we proposed a fourth-generation amphibious spherical robot.However,the amphibious spherical robot developed in this project has a small and compact design,with limited sensors and external sensing options.This means that the robot has weak external information collection capabilities.We need to make the real time operation of the robot's underwater motion control system more reliable.In this paper,we mainly used a fuzzy Proportional-Integral-Derivative(PID)control algorithm to design an underwater motion control system for a novel robot.Moreover,we compared PID with fuzzy PID control methods by carrying out experiments on heading and turning bow motions to verify that the fuzzy PID is more robust and exhibits good dynamic performance.We also carried out experiments on the three-dimensional(3D)motion control to validate the design of the underwater motion control system.Liwei Shi Yao Hu Shuxiang Su Shuxiang Guo Huiming Xing Xihuan Hou Yu Liu Zhan Chen Zan Li Debin Xia 2020Journal of Bionic Engineering2020,17,5:4
7Electrical and Raman properties of p-type and n-type modified graphene by inorganic quantum dot and organic molecule modification显示文摘We obtained n-type and p-type modified graphene by mixing quantum dots and depositing electron-acceptor molecules on the surface of graphene, respectively. The electrical and optical properties of these two types of samples were measured. For n-type modified graphene, the electrons were transferred from quantum dots to graphene. The resistance of these quantum dots in modified n-type graphene is significantly smaller than that of pristine graphene. For p-type graphene, modified by electron-acceptor organic molecules of tetracyanoethylene (TCNE), electrons were transferred from graphene to TCNE molecules. The resistance of this molecular modified p-type graphene is about 10% larger than that of pristine graphene. The charge transfer effect on the optical properties of graphene was investigated with Raman spectra.HOU YanXue GENG XiuMei LI YuanZuo DONG Bin LIU LiWei SUN MengTao 2011Science China(Physics,Mechanics & Astronomy)2011,54,3:4
8The liver transcriptome of two full-sibling Songliao black pigs with extreme differences in backfat thickness显示文摘Background:Fatness traits in animals are important for their growth,meat quality,reproductive performance,and immunity.The liver is the principal organ of the regulation of lipid metabolism,and this study used massive parallelized high-throughput sequencing technologies to determine the porcine liver tissue transcriptome architecture of two full-sibling Songliao black pigs harboring extremely different phenotypes of backfat thickness.Results:The total number of reads produced for each sample was in the region of 53 million,and 8,226 novel transcripts were detected.Approximately 92 genes were differentially regulated in the liver tissue,while 31 spliced transcripts and 33 primary transcripts showed significantly differential expression between pigs with higher and lower backfat thickness.Genes that were differentially expressed were involved in the metabolism of various substances,small molecule biochemistry,and molecular transport.Conclusions:Genes involved in the regulation of lipids could play an important role in lipid and fatty acid metabolism in the liver.These results could help us understand how liver metabolism affects the backfat thickness of pigs.Kai Xing Feng Zhu Liwei Zhai Huijie Liu Zhijun Wang Zhuocheng Hou Chuduan Wang 2015Journal of Animal Science and Biotechnology2015,6,1:3
9Surface modification of plasma nitriding on AlxCoCrFeNi high-entropy alloys显示文摘Plasma nitriding is successfully employed in treating AlxCoCrFeNi high-entropy alloys(HEAs)with finelydivided Al content(i.e.,x values in molar ratio,x=0.1-0.8)to develop wear-resistant structural materials.Nitridation greatly removes the Al from the matrix that completely deplete the Ni-Al enriched phase,forming nanoscaled nitrides(AIN and CrN)precipitations near the surface.Nitriding promotes the hardness of present alloys with values widely ranging from 276 HV to 722 HV.Interestingly,the higher content the Al,the smaller thickness the nitrides layer,but the higher hardness due to the increased amount of hard nitrides phases and volume fraction of BCC phase.Significantly,plasma nitriding considerably improves the wear re sistance of AlxCoCrFeNi HEAs by 4-18 times.Jinxiong Hou Wenwen Song Liwei Lan Junwei Qiao 2020Journal of Materials Science & Technology2020,47,13:3
10Effect of active species in crude oil on the interfacial tension behavior of alkali/synthetic surfactants/crude oil systems显示文摘The effect of active species present in crude oil on the interfacial tension(IFT)behavior of alkali/synthetic surfactants/crude oil systems was studied.The system consisted of heavy alkyl benzene sulfonate,sodium chloride,sodium hydrate and Daqing crude oil.Experimental results indicated that active species would diffuse from oil/aqueous interface to aqueous phase and finally an equilibrium could be reached in the system with increasing contact time.Moreover,the minimum IFT and equilibrium IFT values increased with increasing contact time and a linear relationship existed between dynamic IFT and t-1/2 when IFT value approaching the minimum and after the minimum IFT was reached.This indicated that the dynamic IFT-time behavior was diffusion controlled.The oil and aqueous phases were analyzed by infrared(IR)spectroscopy.IR spectra of oil and aqueous phases illustrated that the content of active species in the oil phase decreased,but the content of active species in the aqueous phase increased after alkali reacted with crude oil.This indicated that the active species present in oil played an important role in reducing IFT.Liu Liwei Hou Jirui Yue Xiang'an Zhao Ji 2008Petroleum Science2008,5,4:2
11Sensing carboxylesterase 1 in living systems by a practical and isoformspecific fluorescent probe显示文摘Carboxylesterase 1(CES1), one of the most abundant serine hydrolases in mammals, has drawn much attentions in recent years, owing to this enzyme involves in many physiological processes via hydrolysis of both endogenous esters and xenobiotic esters. Herein, to real-time monitor the activities of CES1 in various biological systems, a practical and iso form-specific fluorescent probe was developed on the basis of the substrate preference of CES1, as well as the structural and optical properties of BODIPY dyes. After screening of a panel of BODIPY ester derivatives, probe 1 displayed the best combination of specificity,sensitivity, enzymatic kinetics and applicability for monitoring CES1 activities in real samples. This probe was successfully used to detect CESl activities in several biological systems including tissue preparations,living cells, tissue slices and zebrafish. Furthermore, the biomedical applications of probe 1 for screening of CES1 inhibitors were also demonstrated using tissue preparations or living cells as enzyme sources. In summary, a practical and broadly applicable tool for real-time monitoring CES1 in biological systems was developed and well-characterized, which held great promise for further investigations on CES1-associated drug discovery, clinical practice and fundamental research.Lele Ding Zhenhao Tian Jie Hou Tongyi Dou Qiang Jin Dandan Wang Liwei Zou Yadi Zhu Yunqing Song Jingnan Cui Guangbo Ge 2019Chinese Chemical Letters2019,30,3:2
12An Expedient Method for Regioselective Methylation of Catechol Coumarins显示文摘LU Junxia WANG Ping HOU Jie ZOU Liwei CUI Pan YANG Ling GE Guangbo GONG Xiaojie 2016Chemical Research in Chinese Universities2016,32,5:1
13Auricular vagus nerve acupressure for patients with emotional distress under the COVID-19 pandemic:A smartphone-based,randomized controlled trial显示文摘Objective: To confirm whether self-administered AVNA treatment is effective in improving emotional distressunder the COVID-19 pandemic.Methods: A smartphone-based online, randomized, controlled trial was designed from 26 February 2020 to 28April 2020 in four study sites, including Wuhan, Beijing, Shenyang, and Guangzhou of China. Local residentswho had considerable emotional distress with a score of the Hospital Anxiety and Depression Scale (HADS) ≥9 were recruited. Participants were randomly assigned to three times of AVNA (n = 191) per day, in morning,around noon, and in evening or usual care (UC, n = 215) once daily for 14 days. The primary outcome was theresponse rate, which was the proportion of participants whose Hospital Anxiety and Depression Scale (HADS)score reduced from baseline by ≥ 50%. The assessment was conducted at baseline, 3 days, and 14 days.Results: The AVNA group had a markedly higher response rate than the UC group at 3 days (35.6% vs. 24.9%,P = 0.02) and at 14 days (70.7% vs. 60.6%, P = 0.02). The AVNA group showed significantly greater reductionin scores of HADS at the two measurement points and BAI at 3 days (P ≤ 0.03), with average respective effectsize of 0.217 and 0.195. Participants with AVNA spent less time falling asleep and rated their sleep qualitybeing remarkably higher than those with UC at endpoint.Conclusion: During COVID-19 pandemic period, treatment with self-administrated AVNA was more effectivethan UC in reducing emotional distress of isolated populations. These findings support self-administered AVNAas a treatment option for patients with emotional distress under the COVID-19 pandemic or other emergentevents.Peijing Rong Lei Wang Lingling Yu Junying Wang Yan Ma Liting Wang Suxia Li Chunzhi Tang Liming Lu Liang Li Jiazi Dong Jiliang Fang Liwei Hou Zongshi Qin Xiaolan Su Zhangjin Zhang 2021TMR Modern Herbal Medicine2021,4,2:1
14Ultrasound enhanced heterogeneous activation of peroxydisulfate by magnetite catalyst for the degradation of tetracycline in water显示文摘Liwei Hou Hui Zhang Xiaofei Xue 2011Separation and Purification Technology2011,,:1
15Corrosion protection of Mg‐Zn‐Y‐Nd alloy by flower‐like nanostructured TiO<sub>2</sub> film for vascular stent application显示文摘Shusen Hou Liwei Mi Liguo Wang Shijie Zhu Junhua Hu Qi Ding Shaokang Guan 2013J Chem Technol Biotechnol2013,,11:1
16A Simple FEM for Solving Two-Dimensional Diffusion Equation with Nonlinear Interface Jump Conditions显示文摘In this paper,we propose a numerical method for solving parabolic interface problems with nonhomogeneous flux jump condition and nonlinear jump condition.The main idea is to use traditional finite element method on semi-Cartesian mesh coupled with Newton’s method to handle nonlinearity.It is easy to implement even though variable coefficients are used in the jump condition instead of constant in previous work for elliptic interface problem.Numerical experiments show that our method is about second order accurate in the L1 norm.Liqun Wang Songming Hou Liwei Shi 2019Computer Modeling in Engineering & Sciences2019,,4:0
17Colossal structural distortion and interlayer-coupling suppression in a van der Waals crystal induced by atomic vacancies显示文摘The interlayer coupling in van der Waals(vdW)crystals has substantial effects on the performance of materials.However,an indepth understanding of the microscopic mechanism on the defect-modulated interlayer coupling is often elusive,owing partly to the challenge of atomic-scale characterization.Here we report the native Se-vacancies in a charge-density-wave metal 2HNbSe2,as well as their influence on the local atomic configurations and interlayer coupling.Our low-temperature scanning tunneling microscopy(STM)measurements,complemented by density functional theory calculations,indicate that the Sevacancies in few-layer NbSe2 can generate obvious atomic distortions due to the Jahn-Teller effect,thus breaking the rotational symmetry on the nanoscale.Moreover,these vacancies can locally generate an in-gap state in single-layer NbSe2,and more importantly,lead to a colossal suppression of interlayer coupling in the bilayer system.Our results provide clear structural and electronic fingerprints around the vacancies in vdW crystals,paving the way for developing functional vdW devices.Liangguang Jia Fei Gao Yu Zhang Yaoyao Chen Baofei Hou Zeping Huang Quanzhen Zhang Xu Wu Liwei Liu Shiwu Gao Mads Brandbyge Hong-Jun Gao Yeliang Wang 2023Nano Research2023,16,4:0
18Single-atom catalysts modified by molecular groups for electrochemical nitrogen reduction显示文摘Electrochemical nitrogen reduction reaction(eNRR)is one of the most important chemical reactions for the production of ammonia under ambient environment.However,the lack of in-depth understanding of the structure-activity relationship impedes the development of high-performance catalysts for ammonia production.Herein,the density functional theory(DFT)calculations are performed to reveal the structure–activity relationship for the single-atom catalysts(SACs)supported on g-C_(3)N_(4),which is modified by molecular groups(i.e.,H,O,and OH).The computational results demonstrate that the W-based SACs are beneficial to produce ammonia with a low limiting potential(UL).Particularly,the W-OH@g-C_(3)N_(4) catalyst exhibits an ultralow UL of−0.22 V for eNRR.And the competitive eNRR selectivity can be identified by the dominant*N2 adsorption free energy than that of*H.Our findings provide a theoretical basis for the synthesis of efficient catalysts to produce ammonia.Zengxi Wei Yuchang Liu Hongjie Liu Shaopeng Wang Minchen Hou Liwei Wang Dong Zhai Shuangliang Zhao Kefu Yu Shaolong Zhang 2022Nano Research2022,15,10:0
19Atomic tracking of thermally-driven structural evolution in 2D crystals:Case of NbSe_(2)显示文摘Advanced atomic tracking techniques play a critical role in characterizing structural evolution,elucidating fundamental mechanisms of exotic phenomena and tailoring delicate properties.Thermally driven structural modulation in 2D crystals,such as the charge density wave(CDW),often leads to intriguing quantum properties,making them a valuable platform for exploring fundamental physics and potential device applications.However,despite their significance,experimental studies addressing atomic tracking of thermally-driven structural evolution in 2D crystals have been limited.Herein,we utilize high-accuracy variable-temperature atomic tracking measurements with scanning tunneling microscopy(STM)to directly observe a series of structural transitions in a model 2D crystal,namely NbSe_(2).With the atomic tracking technique,we confirm the existence of the universal thermally-driven CDW transition hysteresis between the heating and cooling cycles.This transition hysteresis,characterized by a constant temperature offset,represents a new phenomenon of structural evolution.Our findings provide a feasible method to track CDW transitions at the atomic scale in 2D crystals,significantly contributing to a better understanding and the potential modulation of these materials'functions in nanodevices.Baofei Hou Teng Zhang Tingting Wang Hongyan Ji Huixia Yang Liangguang Jia Xu Han Jingsi Qiao Yu Zhang Liwei Liu Hong-Jun Gao Yeliang Wang 2024InfoMat2024,6,2:0
20Correction to:Morphological and phylogenetical analysis reveals that a new tapeworm species(Cestoda:Hymenolepididae)from whooper swan belongs to Cloacotaenia not Hymenolepis显示文摘Correction to:J.For.Res.(2020)31(6):2581-2587 http://gffzzd3cc09b8251d45dfs6xk6of655vwv6695.ffgz.tsg.suse.edu.cn/10.1007/s11676-019-01036-2 After publication of this article,it was brought to our atten-tion that the legend to Figure 1 did not state that Figure 1d was adapted from Figure 1d of Makarikov and Tkach(2013).In addition,Makarikov and Tkach(2013)should have been cited in the methods section.Zhijun Hou Lei Han Ying Sun Dongdong Shen Zhiwei Peng Lixin Wang Qian Zhai Yanqiang Zhou Yaxian Lu Liwei Teng Hongliang Chai 2022Journal of Forestry Research2022,33,5:0
返回顶部 每页显示:
共2页 首页 上一页 第1页 下一页 末页 /2 跳转

网站首页 | 关于我们 | 联系我们 | 产品服务 | 客服中心 | 广告服务 | 版权声明 | 网站联盟 | 友情链接 | 售卡网点

版权所有© 渝B2-20050021-1 渝公网安备 50019002500403号 违法和不良信息举报中心

互联网出版许可证 新出网证(渝)字10号 全国400电话 - 免长途话费