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| 1 | Preparation of activated carbon from cattail and its application for dyes removal显示文摘Activated carbon was prepared from cattail by H3PO4 activation. The effects influencing the surface area of the resulting activated carbon followed the sequence of activated temperature > activated time > impregnation ratio > impregnation time. The optimum condition was found at an impregnation ratio of 2.5, an impregnation time of 9 hr, an activated temperature of 500°C, and an activated time of 80 min. The Brunauer-Emmett-Teller surface area and average pore size of the activated carbon were 1279 m2/g and 5.585 nm, respectively. A heterogeneous structure in terms of both size and shape was highly developed and widely distributed on the carbon surface. Some groups containing oxygen and phosphorus were formed, and the carboxyl group was the major oxygen-containing functional group. An isotherm equilibrium study was carried out to investigate the adsorption capacity of the activated carbon. The data fit the Langmuir isotherm equation, with maximum monolayer adsorption capacities of 192.30 mg/g for Neutral Red and 196.08 mg/g for Malachite Green. Dye-exhausted carbon could be regenerated effectively by thermal treatment. The results indicated that cattail-derived activated carbon was a promising adsorbent for the removal of cationic dyes from aqueous solutions. | Qianqian Shi Jian Zhang Chenglu Zhang Cong Li Bo Zhang Weiwei Hu Jingtao Xu Ran Zhao | 2010 | Journal of Environmental Sciences2010，22，1： | 13 |
| 2 | A Stackelberg Differential Game Based Bandwidth Allocation in Satellite Communication Network显示文摘In this paper, a Stackelberg differential game based approach is proposed to solve the bandwidth allocation problems in satellite communication network. All the satellites are divided into two groups, one has high download requirements, and the other one has low download requirements. Each satellites group has its own controller for bandwidth allocation, and can get payments from the satellites for the allocated resources. The relationships between the controllers and satellites are formed as a Stackelberg game. In our model, differential equation is introduced to describe the bandwidth dynamics for the whole satellite communication network. Combine the differential equation and Stackelberg game together, we can formulate the bandwidth allocation problems in satellite communication network as a Stackelber differential game. The solutions to the proposed game is solved based the Bellman dynamic equations. Numerical simulations are given to prove the effeteness and correctness of the proposed approach. | Jingtao Su Shengsong Yang Haitao Xu Xianwei Zhou | 2018 | China Communications2018，15，8： | 10 |
| 3 | Assessment of the sources and transformations of nitrogen in a plain river network region using a stable isotope approach显示文摘The great spatial and temporal variability in hydrological conditions and nitrogen(N)processing introduces large uncertainties to the identification of N sources and quantifying N cycles in plain river network regions. By combining isotopic data with chemical and hydrologic measurements, we determined the relative importance of N sources and biogeochemical N processes in the Taige River in the East Plain Region of China. The river was polluted more seriously by anthropogenic inputs in winter than in summer. Manure and urban sewage effluent were the main nitrate(NO-3) sources, with the nitrification of N-containing organic materials serving as another important source of NO-3. In the downstream, with minor variations in hydrological conditions, nitrification played a more important role than assimilation for the decreasing ammonium(NH+4-N) concentrations.The N isotopic enrichment factors(ε) during NH+4utilization ranged from- 13.88‰ in March to- 29.00‰ in July. The ratio of the increase in δ18O and δ15N of river NO-3in the downstream was 1.04 in January and 0.92 in March. This ratio indicated that NO-3assimilation by phytoplankton was responsible for the increasing δ15N and δ18O values of NO-3in winter. The relationships between δ15N of particulate organic nitrogen and isotopic compositions of dissolved inorganic nitrogen indicated that the phytoplankton in the Taige River probably utilized NH+4preferentially and mainly in summer, while in winter, NO-3assimilation by phytoplankton was dominant. | Jingtao Ding Beidou Xi Qigong Xu Jing Su Shouliang Huo Hongliang Liu Yijun Yu Yanbo Zhang | 2015 | Journal of Environmental Sciences2015，27，4： | 9 |
| 4 | Angiogenesis inhibition and cell cycle arrest induced by treatment with Pseudolarix acid B alone or combined with 5-fluorouracil显示文摘与化学疗法的药相结合的 Angiogenesis 禁止者在许多癌症的治疗有重要功效。金钱松属酸 B (PAB ) 是一个传统的终止怀孕的代理人,它以前被显示了减少肿瘤生长和 angiogenesis。在这研究,我们使用了高满意的屏蔽试金在人的脐的静脉 endothelial 房间(HUVEC ) 上检验 PAB 的效果。二个 hepatocarcinoma 22-transplanted 老鼠模型被用来与 5 氟尿嘧啶(5-Fu ) 在联合决定 PAB 功效。我们的结果建议没有明显的 cytotoxicity, PAB (0.1561.250 M ) 在 vitro 以一种集中依赖者方式禁止了 HUVEC 活动性。在 vivo, PAB (25 mg/kg/day ) 在联合治疗支持了 5-Fu (5 mg/kg/2 天) 的反肿瘤功效,导致显著地更高的肿瘤抑制率,更低的 microvessel 密度价值,和延长幸存时间。PAB 由在 G1/S 边界和 M 阶段堵住细胞周期行动了,这也被表明,脉管的 endothelial 生长因素的下面规定,组织缺氧可诱导的因素 1 并且 cdc2 的 cyclin E 表示,和起来规定表示。这些观察提供在有 5-Fu 的联合的 PAB 可能在癌症治疗是有用的第一条证据。 | Jingtao Liu Wei Guo Bo Xu Fuxiang Ran Mingming Chu HongzhengFu Jingrong Cui | 2012 | Acta Biochimica et Biophysica Sinica2012，44，6： | 6 |
| 5 | Spatial heterogeneity of lake eutrophication caused by physiogeographic conditions:An analysis of 143 lakes in China显示文摘In order to identify the effect of geographic characteristics on the variations of nutrient concentrations and the utilization efficiency of nutrients by phytoplankton, data from 143 lakes, from 2008 to 2010, including three very different types of topography, i.e., the first topography ladder(FTL), second topography ladder(STL), and third topography ladder(TTL), were statistically analyzed. Lakes in the FTL and STL, located at high elevation(above1000 m) and low longitudes(lower than 105° E), were sporadically oligotrophic, whereas lakes in the TTL were almost all mesotrophic and eutrophic. The trophic level index(TLI)became higher with the rise of longitude. Two turning points(5 and 15°C) on the curve of TLI as function of the average annual temperature(AAT) corresponded with the AAT in different lake regions in the STL and TTL. Because the responses of TLI to AAT differ significantly, there were variations of nutrient and algal biomass concentrations in different lake regions in the same type of topography ladder. According to the differences in utilization efficiency of total nitrogen or total phosphorus by phytoplankton, China could be partitioned into six lake regions. Scientific nutrient criteria for each lake region shall be established considering these differences in China. | Jingtao Ding Jinling Cao Qigong Xu Beidou Xi Jing Su Rutai Gao Shouliang Huo Hongliang Liu | 2015 | Journal of Environmental Sciences2015，27，4： | 5 |
| 6 | A leader-follower stochastic linear quadratic differential game with time delay显示文摘In this paper, we are concerned with the leader-follower stochastic differential game of It?o type with time delay appearing in the leader's control. The open-loop solution is explicitly given in the form of the conditional expectation with respect to several symmetric Riccati equations. The key technique is to establish the nonhomogeneous relationship between the forward variables and the backward ones obtained in the optimization problems of both the follower and the leader. | Juanjuan XU Jingtao SHI Huanshui ZHANG | 2018 | Science China(Information Sciences)2018，61，11： | 3 |
| 7 | Searching for the Nano-Hertz Stochastic Gravitational Wave Background with the Chinese Pulsar Timing Array Data ReleaseⅠ显示文摘Observing and timing a group of millisecond pulsars with high rotational stability enables the direct detection of gravitational waves(GWs).The GW signals can be identified from the spatial correlations encoded in the times-of-arrival of widely spaced pulsar-pairs.The Chinese Pulsar Timing Array(CPTA)is a collaboration aiming at the direct GW detection with observations carried out using Chinese radio telescopes.This short article serves as a“table of contents”for a forthcoming series of papers related to the CPTA Data Release 1(CPTA DR1)which uses observations from the Five-hundred-meter Aperture Spherical radio Telescope.Here,after summarizing the time span and accuracy of CPTA DR1,we report the key results of our statistical inference finding a correlated signal with amplitude logA_(c)=-14.4_(-2.8)^(+1.0)for spectral index in the range ofα∈[-1.8,1.5]assuming a GW background(GWB)induced quadrupolar correlation.The search for the Hellings–Downs(HD)correlation curve is also presented,where some evidence for the HD correlation has been found that a 4.6σstatistical significance is achieved using the discrete frequency method around the frequency of 14 n Hz.We expect that the future International Pulsar Timing Array data analysis and the next CPTA data release will be more sensitive to the n Hz GWB,which could verify the current results. | Heng Xu Siyuan Chen Yanjun Guo Jinchen Jiang Bojun Wang Jiangwei Xu Zihan Xue RNicolas Caballero Jianping Yuan Yonghua Xu Jingbo Wang Longfei Hao Jingtao Luo Kejia Lee Jinlin Han Peng Jiang Zhiqiang Shen Min Wang Na Wang Renxin Xu Xiangping Wu Richard Manchester Lei Qian Xin Guan Menglin Huang Chun Sun Yan Zhu | 2023 | Research in Astronomy and Astrophysics2023，23，7： | 3 |
| 8 | Thermoelectric properties of In-Hg co-doping in SnTe:Energy band engineering显示文摘Synergistic effect of band convergence and resonant level could be manipulated in SnTe by co-doping In and Hg,leading to a potential thermoelectric performance enhancement in a much wider temperature range.In this work we carefully investigated thermoelectric properties of the In-Hg co-doped SnTe,synthesized by a hot pressing method.With this co-doping the Seebeck coefficients of the co-doped samples were greatly improved(over 50 mVK^(-1))at the room temperature.Although power factors of the In-Hg co-doped SnTe were also able to be optimized,the peak ZT(0.9 at 850 K in Sn_(0.98)Bi_(0.02)Te-1%HgInTe_(2)),however,is not high enough when comparing to other co-doped SnTe systems.This may be caused by the relatively high lattice thermal conductivity.An apparent competition between band convergence doping and resonant level doping was observed in our experiment.The results suggest that band engineering via co-doping should be further understood in order to optimize the thermoelectric properties inside the material system. | Xiaofang Tan Guoqiang Liu Jingtao Xu Xiaojian Tan Hezhu Shao Haoyang Hu Haochuan Jiang Yalin Lu Jun Jiang | 2018 | Journal of Materiomics2018，4，1： | 3 |
| 9 | RNA-seq profiling reveals differentially expressed genes as potential markers for vital reaction in skin contusion: a pilot study显示文摘Detection of the vitality of wounds is essential in forensic practice.The present study used Illumina RNA-seq technology to determine gene expression profiles in contused mouse skin.In obtained high quality sequencing reads,the reads were mapped onto a reference transcriptome (Mus_musculus.GRCm38.83).The results revealed that there were 659 upregulated and 996 down-regulated differentially expressed genes (DEGs) in contused mouse skin.The DEGs were further analyzed using the Gene Ontology and the Kyoto Encyclopedia of Genes and Genomes databases.Genes from different functional categories and signalling pathways were enriched,including the immune system process,immune response,defense response,cytokine-cytokine receptor interaction,complement and coagulation cascades and chemokine signalling pathway.Expression patterns of 11 DEGs were verified by RT-qPCR in mice skins.In addition,alterations of five DEGs were also analyzed in postmortem human wound samples.The results were in concordance with the results of RNA-seq.These findings suggest that RNA-seq is a powerful tool to reveal DEGs as potential markers for vital reaction in terms of forensic practices. | Jingtao Xu Rui Zhao Ye Xue Huanqin Xiao Yanliang Sheng Dong Zhao Jietao He Hongyan Huang Qi Wang Huijun Wang | 2018 | Forensic Sciences Research2018，3，2： | 3 |
| 10 | Metformin targets Clusterin to control lipogenesis and inhibit the growth of bladder cancer cells through SREBP-lc/FASN axis显示文摘Dear Editor,Metformin,a widely prescribed drug for treating typeⅡdiabetes,has shown an important anti-cancer property.1 However,new launched clinical trials did not achieve such desirable results.2 One explanation could be that metformin’s anti-cancer mechan-isms and precise therapeutic targets remain unclear.To identify potential therapeutic targets of metformin in bladder cancer,we screened differential proteins with metformin treatment in T24 cells by high-throughput protein chip. | Jun Deng Mei Peng Sichun Zhou Di Xiao Xin Hu Simeng Xu Jingtao Wu Xiaoping Yang | 2021 | Signal Transduction and Targeted Therapy2021，6，4： | 2 |
| 11 | Energy saving potential of a fresh air pre-cooling system using radiative sky cooling显示文摘To achieve required indoor air quality,fresh air supply in buildings should meet relevant standards and regulations.However,the handling of fresh air introduced a cooling load that takes up a large portion of building energy consumption,especially in tropical and subtropical areas.A proper way should be employed to reduce the cooling load of fresh air.Radiative sky cooling,which is the process that an object cools itself by emitting thermal radiation to outer space without any energy input,is a cost-effective and eco-friendly technology.In this work,a fresh air pre-cooling system using radiative sky cooling is proposed to reduce fresh air cooling load.The system,consisting of filters,a radiative air-cooling system,an air handling unit(AHU),fans,etc.,is installed on the rooftop of the modeled building.Six cities in low-latitude areas are selected and investigated.Results show that with the radiative air-cooling system installed,annual cooling energy consumption of the modeled building can be reduced by around 10%in most cities.For arid areas,e.g.,Abu Dhabi,the system has even better performance with 19.34%annual cooling energy saving. | Dikai Xu Sebastien Boncoeur Gang Tan Jingtao Xu Hua Qian Dongliang Zhao | 2022 | Building Simulation2022，15，2： | 2 |
| 12 | Investigation and analysis of the linkage mechanism and whole process cost of livestock manure organic fertilizer显示文摘In recent years,the utilization of manure resources for livestock and poultry farming has attracted a widespread attention,and manure resources utilization models suitable for different regional characteristics have formed gradually.Among them,the production of organic fertilizer from animal manure is a vital utilization method.However,there are still some problems such as high production costs,difficult sales,and the unwillingness of farmers to use organic fertilizers which have affected the breeding cycle and the sustainability of manure treatment in livestock and poultry breeding.This article selected 371 organic fertilizer plants,related farms and farmers in China,focusing on the main links of the entire process of livestock manure-organic fertilizer-farm application,and studied the mode of animal manure collection by organic fertilizer plants.The costs of organic fertilizer production and farmland application were discussed.Moreover,suggestions were made for the promotion and implementation of large-scale organic fertilizers to make good utilization of manure resources in livestock and poultry farming. | Shanshan Dong Bin Sui Yujun Shen Haibo Meng Lixin Zhao Jingtao Ding Haibin Zhou Xi Zhang Hongsheng Cheng Jian Wang Ran Li Liqiu Song Pengxiang Xu Ji Li | 2020 | International Journal of Agricultural and Biological Engineering2020，13，2： | 2 |
| 13 | First Imported Case of SARS-CoV-2 Omicron Subvariant BA.4-Guangdong Province,China,May 4,2022显示文摘On April 29,2022,a flight arrived at Baiyun International Airport,Guangzhou City,Guangdong Province,and departed from Amsterdam Schiphol Airport,Netherlands.After the first test of severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)nucleic acid at the Baiyun International Airport,all passengers were admitted to a quarantine hotel for a routine 14-day medical observation.On April 30,one of the passengers(a 20-year-old Chinese female)was reported positive for coronavirus disease 2019(COVID-19),and then a nasopharyngeal swab sample was immediately retested on May 1 and reported positive. | Qianfang Guo Changcheng Wu Aiping Deng Jingtao Liang Xiang Zhao Ruhan A Jiajun Liu Fangzhu Ouyang Jing Xu Shen Huang Yang Song Lirong Zou Xiaoling Deng Kai Nie Baisheng Li | 2022 | China CDC weekly2022，4，40： | 2 |
| 14 | Electrochemical machining on blisk channels with a variable feed rate mode显示文摘Electrochemical machining(ECM)is an economical and effective method for blisk manufacturing and includes two steps:channel machining and profile machining.The allowance distribution after the channel machining will directly affect the profile machining.Therefore,to improve the uniformity of allowance distribution in the machining of channels,a method that incorporates a variable feed rate mode is developed.During the machining process,the feed rates are dynamically changed according to the needs of the side gap at the different feed depths.As a result,the side gaps at the different feed depths vary,contributing to a decrease in the allowance difference.In this study,the dissolution processes of a blisk channel are simulated using different feed rates,and prediction profiles are obtained.Based on the prediction profiles,the relationship among the feed rate,feed depth,and side gap is established.Then,the feed rates at different feed depths are adjusted according to the relationship.In addition,contrast experiments are conducted.Compared with blisk channel ECM using a constant feed rate of 1 mm/min,using the variable feed rate decreases the allowance differences in the convex and concave parts by 62.2%and 67.4%,respectively.This indicates that using the variable feed rate in the ECM process for a blisk channel is feasible and efficient. | Jing WANG Zhengyang XU Jingtao WANG Di ZHU | 2021 | Chinese Journal of Aeronautics2021，34，6： | 2 |
| 15 | Recent Advances in Computational Photography显示文摘Traditional photography focuses on the optimization of lenses for a perfect imaging system.However, with the great developments of computational resources and optical modulation devices, we can achieve more powerful imaging abilities with concise optics.Computational photography is such an emerging interdisciplinary field by incorporating computational strategy in traditional imaging system to break the limitations in various dimensions such as spectrum, time and space. Recent advances in different aspects have aroused great interests and introduced tremendous applications in biology, material science and computer vision. | DAI Qionghai WU Jiamin FAN Jingtao XU Feng CAO Xun | 2019 | Chinese Journal of Electronics2019，28，1： | 2 |
| 16 | Effects of dispersants and soluble counter-ions on aqueous dispersibility of nano-sized zirconia powder显示文摘 | Zhipeng Xie Jingtao Ma Qing Xu Yong Huang Yi-Bing Cheng | 2003 | Ceramics International2003，，2： | 1 |
| 17 | Effects of dispersants and soluble counter-ions on aqueous dispersibility of nano-sized zirconia powder显示文摘 | Xie Zhipeng Ma Jingtao Xu Qing | 2004 | Ceramics International2004，30，： | 1 |
| 18 | Theory of the Kapitza-Dirac diffraction effect显示文摘 | Li Xiaofeng Zhang Jingtao Xu Zhizhan | 2004 | Phys Rev Lett2004，92，23： | 1 |
| 19 | A periodic DFT study on adsorption of small molecules(CH4,CO,H2O,H2S,NH3)on the WO3(001) surface-supported Au显示文摘Gas molecules(such as CH4,CO,H2O,H2S,NH_3)adsorption on the pure and Au-doped WO3(001)surface have been studied by Density functional theory calculations with generalized gradient approximation.Based on the the calculation of adsorption energy,we found the most stable adsorption site for gas molecules by comparing the adsorption energies of different gas molecules on the WO3(001)surface.We have also compared the adsorption energy of five different gas molecules on the WO3(001)surface,our calculation results show that when the five kinds of gases are adsorbed on the pure WO3(001)surface,the order of the surface adsorption energy is CO>H2S>CH4>H2O>NH3.And the results show that NH3 is the most easily adsorbed gas among the other four gases adsorbed on the surface of pure WO3(001)surface.We also calculated the five different gases on the Au-doped WO3(001)surface.The order of adsorption energy was found to be different from the previous calculation:CO>CH4>H2S>H2O>NH3.These results provide a new route for the potential applications of Au-doped WO3 in gas molecules adsorption. | Long Lin Jingtao Huang Weiyang Yu Chaozheng He Hualong Tao Yonghao Xu Linghao Zhu Pengtao Wang Zhanying Zhang | 2020 | Communications in Theoretical Physics2020，72，3： | 1 |
| 20 | Tunnel vision optimization method for VR flood scenes based on Gaussian blur显示文摘The visualization of flood disasters in virtual reality(VR)scenes is useful for the representation and sharing of disaster knowledge and can effectively improve users’cognitive efficiency in comprehending disaster information.However,the existing VR methods of visualizing flood disaster scenes have some shortcomings,such as low rendering efficiency and poor user experience.In this paper,a tunnel vision optimization method for VR flood scenes based on Gaussian blur is proposed.The key techniques are studied,such as region of interest(ROI)calculation and tunnel vision optimization considering the characteristics of the human visual system.A prototype system has been developed and used to carry out an experimental case analysis.The experimental results show that the number of triangles drawn in a flood VR scene is reduced by approximately 30%–40%using this method and that the average frame rate is stable at approximately 90 frames per second(fps),significantly improving the efficiency of scene rendering and reducing motion sickness. | Lin Fu Jun Zhu Weilian Li Qing Zhu Bingli Xu Yakun Xie Yunhao Zhang Ya Hu Jingtao Lu Pei Dang Jigang You | 2021 | International Journal of Digital Earth2021，14，7： | 1 |
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