|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | Classification and regionalization of the forming environment of windblown sand disasters along the Tarim Desert Highway显示文摘Through the systematic field survey and observations, the factor quantification as well as setting the criteria, the sand disaster-forming environment along the Tarim Desert Highway can be divided into four grades by the classification and regionalization based on fuzzy mathematics. The length of the regions with significant sand disaster accounted for 37.1% of the total highway length. Particularly, the area along the Tarim Desert Highway, based on the sand disaster-forming environment classification as well as the difference in the five basic landform units along the highway, combined with the difference of wind regime, can be divided into five regions, in which the length of the regions suffering severe sand damage occupied 64.3% of the total highway length. In addition, the index of disaster formation grade along the highway decreased from north to south, showing a repeated spatial pattern in small length scales. | LEI JiaQiang LI ShengYu FAN DongDong ZHOU HongWei GU Feng QIU YongZhi XU Bo LIU Shang DU WenYi YAN ZengHui WANG YongChang | 2008 | Chinese Science Bulletin2008,53,S2: | 11 |
| 2 | Two possible hydrothermal vents in the northern Okinawa Trough显示文摘As the Okinawa Trough is a back-arc basin in early spreading, modern submarine hydrothermal activity and minerallization have many characteristics which have aroused wide attention. Up to now, three well-known hydro-thermal venting areas are all located in the middle part of the trough. During two cruise investigations to map and sample the seafloor, numbers of Calyptogena sp. shells were dredged at two sites in the northern trough with comparatively thicker crust and numerous submarine volcanoes. Based on the fact that Calyptogena sp. is only observed around the hydrothermal vents and lives on hydrothermal activities, it is predicted that there is the possibility of modern hydrothermal activities in the northern part of the trough. In this note, the shell is carefully characterized and the sample locations with possible hydrothermal activity are given. It is pointed out that the research of biogenic fossils to trace hydrothermal activity changes in venting time, strength fluctuations, evolution in | ZHAI Shikui XU Shumei YU Zenghui QIN Yunshan ZHAO Yiyang | 2001 | Chinese Science Bulletin2001,46,11: | 9 |
| 3 | An experimental and numerical study on the charring rate of timber beams exposed to three-side fire显示文摘To investigate the charring rate of timber beams exposed to three-side fire, a total of fifteen new and used Douglas-Fir timber beams in four groups exposed to three-side fire were experimentally studied, together with the finite element analyses of the temperature distribution in the beam section. The durations of fire exposure were 0 (on a test piece), 10, 15, 20 and 30 min, according to the ISO 834 standard fire curve. The charring depth of each timber beam was calculated by averaging the values at one-third and two-thirds along each cross section to give the charring rate of timber beams. It was found that the timber beam's charring rate reduces as the duration of fire exposure increases and the vertical charring rate is slightly higher than the horizontal one. The areas of beam sections reduce due to charring and the strength and stiffness of the pyrolysis layer near the charring edge decrease owing to the high-temperature. The average horizontal and vertical charring rates are 0.98 and 1.08 mm/min, respectively. To take into account the difference between the test furnace temperature curve and the ISO 834 stand- ard fire curve, some corrections were made for these data to yield the solution for charring rate. With the help of the finite element software ANSYS, the temperature distribution of the wood's cross-section was analyzed. The longer the exposure time is, the greater the effect of density will impose on the distribution of temperature, but the moisture content has no effect. | ZHANG Jin LIU ZengHui XU YiXiang MA ShuWei XU QingFeng | 2012 | Science China(Technological Sciences)2012,55,12: | 8 |
| 4 | A Study of Methods to Identify Industry-University-Research Institution Cooperation Partners based on Innovation Chain Theory显示文摘Purpose: This study aims at identifying potential industry-university-research collaboration(IURC) partners effectively and analyzes the conditions and dynamics in the IURC process based on innovation chain theory.Design/methodology/approach: The method utilizes multisource data, combining bibliometric and econometrics analyses to capture the core network of the existing collaboration networks and institution competitiveness in the innovation chain. Furthermore, a new identification method is constructed that takes into account the law of scientific research cooperation and economic factors.Findings: Empirical analysis of the genetic engineering vaccine field shows that through the distribution characteristics of creative technologies from different institutions, the analysis based on the innovation chain can identify the more complementary capacities among organizations.Research limitations: In this study, the overall approach is shaped by the theoretical concept of an innovation chain, a linear innovation model with specific types or stages of innovation activities in each phase of the chain, and may, thus, overlook important feedback mechanisms in the innovation process.Practical implications: Industry-university-research institution collaborations are extremely important in promoting the dissemination of innovative knowledge, enhancing the quality of innovation products, and facilitating the transformation of scientific achievements.Originality/value: Compared to previous studies, this study emulates the real conditions of IURC. Thus, the rule of technological innovation can be better revealed, the potential partners of IURC can be identified more readily, and the conclusion has more value. | Haiyun Xu Chao Wang Kun Dong Rui Luo Zenghui Yue Hongshen Pang | 2018 | Journal of Data and Information Science2018,3,2: | 5 |
| 5 | High-efficiency all-dielectric transmission metasurface for linearly polarized light in the visible region显示文摘We propose and numerically investigate an efficient transmission-mode metasurface that consists of quasicontinuous trapezoid-shaped crystalline silicon nanoantennas on a quartz substrate. This metasurface provides a linear phase gradient and realizes both full 2π phase shift and high transmission efficiency in the operating wavelength range from 740 to 780 nm. At the central wavelength around 751 nm, the total transmission efficiency is up to 88.0% and the section of the desired anomalous refraction is 80.4%. The anomalous refraction angle is 29.62°, and larger refraction angle can be achieved by changing the period of the super cell. We demonstrate a refraction angle as large as 38.59°, and the anomalous transmission efficiency reaches 76.6% at wavelength of 741 nm. It is worth mentioning that the structure is much simpler than conventional metasurfaces based on arrays of discrete nanoantennas. Our research may pave the way for designing efficient all-dielectric phase-gradient metasurfaces and applying them in integrated optical devices for wavefront control. | LIU YANG DONG WU YUMIN LIU CHANG LIU ZENGHUI XU HUI LI ZHONGYUAN YU LI YU RAN YE | 2018 | Photonics Research2018,6,6: | 2 |
| 6 | Identification and Prediction of Interdisciplinary Research Topics: A Study Based on the Concept Lattice Theory显示文摘Purpose: Formal concept analysis(FCA) and concept lattice theory(CLT) are introduced for constructing a network of IDR topics and for evaluating their effectiveness for knowledge structure exploration.Design/methodology/approach: We introduced the theory and applications of FCA and CLT, and then proposed a method for interdisciplinary knowledge discovery based on CLT. As an example of empirical analysis, interdisciplinary research(IDR) topics in Information & Library Science(LIS) and Medical Informatics, and in LIS and Geography-Physical, were utilized as empirical fields. Subsequently, we carried out a comparative analysis with two other IDR topic recognition methods.Findings: The CLT approach is suitable for IDR topic identification and predictions.Research limitations: IDR topic recognition based on the CLT is not sensitive to the interdisciplinarity of topic terms, since the data can only reflect whether there is a relationship between the discipline and the topic terms. Moreover, the CLT cannot clearly represent a large amounts of concepts.Practical implications: A deeper understanding of the IDR topics was obtained as the structural and hierarchical relationships between them were identified, which can help to get more precise identification and prediction to IDR topics.Originality/value: IDR topics identification based on CLT have performed well and this theory has several advantages for identifying and predicting IDR topics. First, in a concept lattice, there is a partial order relation between interconnected nodes, and consequently, a complete concept lattice can present hierarchical properties. Second, clustering analysis of IDR topics based on concept lattices can yield clusters that highlight the essential knowledge features and help display the semantic relationship between different IDR topics. Furthermore, the Hasse diagram automatically displays all the IDR topics associated with the different disciplines, thus forming clusters of specific concepts and visually retaining and presenting the associations of IDR topics through multiple inheritance relationships between the concepts. | Haiyun Xu Chao Wang Kun Dong Zenghui Yue | 2019 | Journal of Data and Information Science2019,4,1: | 2 |
| 7 | Scalable manufacturing methodologies for improving adeno-associated virus-based pharmaprojects显示文摘Adeno-associated virus(AAV)is a promising viral vector and meets most requirements of being a safe biological agent.However,the commercialization of AAV has been hampered due to the limitation of large-scale production,and only a small number of clinical trials have been launched.In recent years,progresses in scalable manufacturing of AAV have dramatically improved AAVbased clinical researches,and have assisted the development of investigational drug products.An AAV1-based investigational product,Glybera,has been formally approved by European Commission for the treatment of lipoprotein lipase deficiency(LPLD).Glybera was the first gene therapy product in the western world,and the production process involves a scalable baculovirus-insect cell system.However,many problems still need to be solved to improve the productivity and quality of AAV.The present review gives critical insights into current state-of-the-art scalable producing methodologies of AAV,such as baculovirus-insect cell system,HSV complementation system,and Ad complementation system,along with a discussion on the problems,solutions,and developmental trends.Novel AAV-producing platforms in Saccharomyces cerevisiae and vaccinia virus complementation system will also be discussed. | Zenghui Xu Chuanyin Shi Qijun Qian | 2014 | Chinese Science Bulletin2014,59,16: | 2 |
| 8 | Empirical research of advantage disciplines of C9 League显示文摘Purpose:Based on the case of the top nine elite universities in China(i.e.C9 League),we evaluate the university discipline advantages in terms of outputs and influence of scientific articles.Combining with the discipline collaboration analysis,we provide suggestions on discipline development and future collaboration for C9 League members.Design/methodology/approach:First,we carry out a correlation analysis.Then,we obtain the new combination evaluation indicators through factor analysis on seven primary indicators from InCite platform.Afterwards,we assign the weighted values to different indicators in order to get the evaluation scores and the ranking for each C9 League member.Then,we obtain the bibliographic data of the C9 League members for extracting the category classifications from the Web and transforming them into Degree-Granting and Personal Trainning Courses Catalogue(DPTCC).According to the original collaboration frequencies among C9 League members,we carry out the analysis on two-mode collaboration networks.Finally,we propose some suggestions on the future collaboration and development.Findings:There is correlation relationship between the outputs of scientific papers and influence indicators,so it is necessary to use the various indicators to acquire the more scientific evaluation.Meanwhile,league members are different in the discipline development level,and have inadequate collaboration with each other,which indicates that there exists the great potential for further collaborations.Research limitations:Despite the relative high quality SCI papers,preference for different disciplines of SCI and different discipline features for C9 members probably exert negative influence on evaluation results.Practical implications:We provide a research thought and an operational approach to the disciplines evaluation,which would promote more methods for scientific discipline evaluation and reasonable management for universities.Originality/value:There are more and more articles on the universities evaluation indexes,but rarely on the relationship among the indicators.Therefore,our approach would be helpful for the evaluation of university disciplines. | Shu FANG Haiyun XU Zenghui YUE Hongpei LI Yan QI Bingxu LEI | 2013 | Chinese Journal of Library and Information Science2013,,4: | 1 |
| 9 | Comparative study on cloudy apple juice qualities from apple slices treated by high pressure carbon dioxide and mild heat显示文摘 | NIU Shuang XU Zenghui FANG Yudan | 2010 | Innov Food Sci Emerg Technol2010,11,: | 1 |
| 10 | Monitoring checkpoint inhibitors:predictive biomarkers in immunotherapy显示文摘Immunotherapy has become the fourth cancer therapy after surgery, chemotherapy, and radiotherapy. In particular, immune checkpoint inhibitors are proved to be unprecedentedly in increasing the overall survival rates of patients with refractory cancers, such as advanced melanoma, non-small cell lung cancer, and renal cell carcinoma. However, inhibitor therapies are only effective in a small proportion of patients with problems, such as side effects and high costs. Therefore, doctors urgently need reliable predictive biomarkers for checkpoint inhibitor therapies to choose the optimal therapies. Here, we review the biomarkers that can serve as potential predictors of the outcomes of immune checkpoint inhibitor treatment, including tumor-specific profiles and tumor microenvironment evaluation and other factors. | Min Zhang Jingwen Yang Wenjing Hua Zhong Li Zenghui Xu Qijun Qian | 2019 | Frontiers of Medicine2019,13,1: | 1 |
| 11 | Systematic Review of Cohort Studies Comparing Surgical Treatment for Multilevel Ossification of Posterior Longitudinal Ligament: Anterior vs Posterior Approach显示文摘 | Xu Junjie Zhang Kai XiangYang MA Yin QingShui Wu ZengHui Xia Hong Wang ZhiYun | 2011 | Orthopedics (Online)2011,,8: | 1 |
| 12 | A new surface runoff parameterization with subgrid-scale soil heterogeneity for land surface models 显示文摘 | Liang Xu Xie Zenghui | 2001 | Advances in Water Resources2001,24,910: | 1 |
| 13 | A new surface runoff parameterization with subgrid2scale soil heterogeneity for land surface models 显示文摘 | Liang Xu Xie Zenghui | 2001 | Advances in Water Resources2001,24,9210: | 1 |
| 14 | High pressure carbon dioxide treatment for fresh-cut carrot slices显示文摘 | Xiufang Bi Jihong Wu Yan Zhang Zenghui Xu Xiaojun Liao | 2011 | Innovative Food Science and Emerging Technologies2011,,3: | 1 |
| 15 | A steady-state Kalman predictor-based filtering strategy fur non-overlapping sub-band spectral estimation 显示文摘 | LI Zenghui XU Bin YANG Jian | 2015 | Sensors2015,15,: | 1 |
| 16 | Numerical simulations of high pressure carbon dioxide fluid fluidized beds显示文摘Hydrodynamics of carbon dioxide fluid-particle mixtures are predicted using a low density ratio-based kinetic theory of granular flow in high pressure carbon dioxide fluid fluidized beds.A coexistence of particle waves and particle aggregates exists along bed height.The threshold to identify the occurrence of particle aggregates is suggested based on standard deviation of solid volume fractions in aggregative fluidization.The existence time fractions and frequencies of particle aggregates are predicted along axial direction.The effect of carbon dioxide fluid temperature and pressure on volume fraction and velocity distributions are analyzed at different inlet carbon dioxide velocities and particle densities in high pressure carbon dioxide fluidized beds.Simulated results indicate that the carbon dioxide-particles fluidization transits from particulate to aggregative states with the increase of inlet carbon dioxide ve-locities.The computed fluid volume fractions and heterogeneity indexes are close to the measurements in a high pressure carbon dioxide fluidized bed. | Wenjan Cai Xietian Xia Xiang Li Xing Chen Zenghui Xu Huilin Lu | 2023 | Particuology2023,,7: | 0 |
| 17 | Recent progress in 2D van der Waals heterostructures:fabrication,properties,and applications显示文摘Two-dimensional van der Waals heterostructures(2D vd W HSs)can be constructed by stacking different 2D materials together in nearly endless ways,and have significantly enriched the 2D materials family.They have attracted intense research attention,due to their exotic physical properties and intriguing device performance,often beyond those found in their constituent 2D materials.Here we review research progress in this emerging 2D system,including fabrication methods,material properties,and device applications,and offer our perspectives on emerging research opportunities in this highly active area. | Zenghui WANG Bo XU Shenghai PEI Jiankai ZHU Ting WEN Chenyin JIAO Jing LI Maodi ZHANG Juan XIA | 2022 | Science China(Information Sciences)2022,65,11: | 0 |
| 18 | Aerodynamic characteristics of store during lateral jet assisted separation from cavity using free drop technique显示文摘Aimed at the problem of store separation from internal cavity,this paper innovatively puts forward a separation scheme of using lateral jet to assist store safe separation.The jet ensures that the store is continuously subjected to down head moment during separation,so as to ensure safe separation.The wind tunnel free drop test technique with lateral jet is established,which can ensure that there is no support interference in the motion process of the store and more truly simulate the motion of the store.The feasibility of the new separation scheme is proved by wind tunnel test.The test shows that the new scheme can also change the more dangerous state into a safe state.Through the analysis of the test data,the pitching moment coefficients of the store under different pressures in the high-pressure cylinder are obtained,and the effects of aircraft and cavity on the pitching moment of the store are obtained.The 3 stages of store passing through cavity shock wave are found.The results show that the lateral jet provides the store with continuous head down moment,and makes the store overcome the head up moment caused by the shock wave in front of the cavity,so as to ensure the safety of separation. | Fei XUE Yipeng REN Zheng LI Cong XU Dechen WEI Xiaolu MAO Zenghui JIANG | 2023 | Chinese Journal of Aeronautics2023,36,1: | 0 |
| 19 | Analysis of Potential Disruptive Technologies in the Electronics and Information Field Towards the Intelligent Society显示文摘1.Introduction In the era of the new century,driven by the development of the intelligent society,the integration of the field of electronics and information with various technical fields and industries has accelerated and become the major driving force for a new round of technological revolution and industrial transformation.This has advanced the profound adjustment of global technology,industry,and division of labor as well as reshaping the innovation and competitiveness of countries around the world.Electronics information has received the most concentrated research and development investment worldwide and has been actively advancing and playing a leading role in dissemination.Naturally,it has become an important strategic area in which the world’s scientific and technological powers seek economic advances and competitive advantages. | Yueguang Lyu Yaxin Zhang Yang Liu Weifang Chen Xilin Zhang Wenyuan Xu Changju Wu Lan Wang Hongxin Zeng Xuan Sheng Rui Yang Zenghui Wang Kun Kuang Wu Fei | 2021 | Engineering2021,7,8: | 0 |
| 20 | A Text Image Watermarking Algorithm Based on Image Enhancement显示文摘Digital watermarking technology is adequate for copyright protection and content authentication.There needs to be more research on the watermarking algorithm after printing and scanning.Aiming at the problem that existing anti-print scanning text image watermarking algorithms cannot take into account the invisibility and robustness of the watermark,an anti-print scanning watermarking algorithm suitable for text images is proposed.This algorithm first performs a series of image enhancement preprocessing operations on the printed scanned image to eliminate the interference of incorrect bit information on watermark embedding and then uses a combination of Discrete Wavelet Transform(DWT)-Singular Value Decomposition(SVD)to embed the watermark.Experiments show that the average Normalized Correlation(NC)of the watermark extracted by this algorithm against attacks such as Joint Photographic Experts Group(JPEG)compression,JPEG2000 compression,and print scanning is above 0.93.Especially,the average NC of the watermark extracted after print scanning attacks is greater than 0.964,and the average Bit Error Ratio(BER)is 5.15%.This indicates that this algorithm has strong resistance to various attacks and print scanning attacks and can better take into account the invisibility of the watermark. | Baowei Wang Luyao Shen Junhao Zhang Zenghui Xu Neng Wang | 2023 | Computers, Materials & Continua2023,77,10: | 0 |