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12篇 您的检索式:作者名="WUPeng"
    题名 作者 年代 出处 被引量
1The modification and optimizing of the CHEMTAX running in the South China Sea显示文摘In order to determine the phytoplankton community composition, the modification and optimizing of the CHEMical TAXonomy(CHEMTAX) running was carried out through samples grouping, successive run and evaluate the results for HPLC-pigment samples in the South China Sea(SCS). The vertical distribution of the ratio of pigment to total Chl a(TChl a) exhibited three different patterns, including increasing with depth pattern(e.g., But-Fuco), decreasing with depth pattern(e.g., Zea) and increasing at deep chlorophyll maximum(DCM) pattern(e.g., Hex-Fuco). The vertical profiles for Fuco/TChl a and Pras/TChl a was higher in coast than in the shelf and basin, and the Zea and Dv-Chl a expressed conversely. So the samples in the coastal stations must be separated for the cluster analysis group procedure in the SCS. Successive run was introduced into the CHEMTAX calculation and the output results were evaluated by the convergence of pigment/TChl a ratios. Most of the ratios were well converged at the fifth running, except Zea/TChl a for Prochlorococcus and Chl b/TChl a for prasinophytes and so on. To evaluate the fifth running's results, haptophytes_8 and chlorophytes were two phytoplankton groups with much uncertainty. But the fifth estimated value was better than running once was supported by the regression evidence between the measured pigment concentration and calculation values. Synechococcus was another component with much mutability, and the CHEMTAX's result should be compared to the flow cytometry's cell abundance.WANG Lei HUANG Bangqin LIU Xin XIAO Wupeng 2015Acta Oceanologica Sinica2015,34,2:8
2Advances in Urban Meteorological Research in China显示文摘Over the past decades,a large number of studies have been carried out in the field of urban meteorology in China.This paper summarizes the main progress in urban meteorology research from four aspects:urban meteorological observation network and field campaign,multi-scale model of urban meteorology,interaction between urban meteorology and atmospheric environment,and the impacts of urbanization on weather and climate.Major advances are as follows.China’s major cities have established or are improving comprehensive urban meteorological observation networks characterized by multi-platform,multi-variable,multi-scale,multi-link,and multi-function.Beijing,Nanjing,Shanghai,and other cities carried out urban meteorological field campaigns,which were included in the WMO research demonstration project.Wind tunnel experiments and scale-model outdoor experiments were successfully conducted.Multi-scale urban meteorological and air quality prediction numerical model systems have been developed and put into operational use.The urban heat island effect;urban impacts on precipitation,regional climate,and air quality;urban planning;and interaction between urban meteorology and atmospheric environment are extensively investigated.Finally,efforts to improve observational technology,data assimilation,and urban system modeling,to explore the impacts of urbanization on environment and human health,and to provide integrated urban hydro-meteorological climate and environmental services are planned ahead.Shiguang MIAO Weimei JIANG Ping LIANG Hongnian LIU Xuemei WANG Jianguo TAN Ning ZHANG Ju LI Wupeng DU Lin PEI 2020Journal of Meteorological Research2020,34,2:2
3Analysis of Wave Distributions Using the WAVEWATCH-III Model in the Arctic Ocean显示文摘In this work,we examined long-term wave distributions using a third-generation numerical wave model called WAVE-WATCH-III(WW3)(version 6.07).We also evaluated the influence of sea ice on wave simulation by using eight parametric switches.To select a suitable ice-wave parameterization,we validated the simulations from the WW3 model in March,May,September,and December 2017 against the measurements from the Jason-2 altimeter at latitudes of up to 60°N.Generally,all parameterizations ex-hibited slight differences,i.e.,about 0.6 m root mean square error(RMSE)of significant wave height(SWH)in May and September and about 0.9 m RMSE for the freezing months of March and December.The comparison of the results with the SWH from the European Centre for Medium-Range Weather Forecasts for December 2017 indicated that switch IC4_M1 performed most effec-tively(0.68 m RMSE)at high latitudes(60°-80°N).Given this finding,we analyzed the long-term wave distributions in 1999-2018 on the basis of switch IC4_M1.Although the seasonal variability of the simulated SWH was of two types,i.e.,‘U’and‘sin’modes,our results proved that fetch expansion prompted the wave growth.Moreover,the interannual variability of the specific regions in the‘U’mode was found to be correlated with the decade variability of wind in the Arctic Ocean.SHAO Weizeng YU Wupeng JIANG Xingwei SHI Jian WEI Yongliang JI Qiyan 2022Journal of Ocean University of China2022,21,1:1
4TGFBI expression reduces in vitro and in vivo metastatic potential of lung and breast tumor cells显示文摘Gengyun Wen Michael A. Partridge Bingyan Li Mei Hong Wupeng Liao Simon K. Cheng Yongliang Zhao Gloria M. Calaf Tian Liu Jun Zhou Zengli Zhang Tom K. Hei 2011Cancer Letters2011,,1:1
5Photometricmeasurements of spring aerosol optical properties in dust and non-dust periods in China 显示文摘DU Wupeng XIN Jinyuan WANG Mingxing 2008Atmos Environ2008,42,34:1
6Aerosol Optical Properties Aected by a Strong Dust Storm over Central and Northern China显示文摘Xin Jinyuan Du Wupeng Wang Yuesi Gao Qingxian Zhanqing LI and Wang Mingxing 2010Advances in Atmospheric Sciences 27(3)2010,113,:1
7Photometricmeasurements of spring aerosol optical properties in dust and non-dust periods in China 显示文摘DU Wupeng XIN Jinyuan WANG Mingxing 2008Atmos Environ2008,42,34:1
8Regulation of P450 TleB catalytic flow for the synthesis of sulfur-containing indole alkaloids by substrate structure-directed strategy and protein engineering显示文摘Indole alkaloids have attracted considerable attention from synthetic chemists and biochemists for their structural diversity and important biological activities.Compared with traditional organic synthesis methods,the strategy of using cytochrome P450s'extraordinary abilities to selectively activate carbon-hydrogen bonds to assist in the synthesis of various indole alkaloids has the characteristics of short synthetic route,mild conditions and high atomic economy.Here,we utilized P450 monooxygenases HinD and TleB to synthesize a novel 6/5/8 tricyclic product from(S)-N-((S)-1-(4-fluoro-1H-indol-3-yl)-3-hydroxypropan-2-yl)-2-mercapto-3-methylbutanamide through the substrate structure-directed strategy.TleB was more effective in catalyzing C–S coupling,and was used to synthesize a series of 6/5/8 tricyclic indololactam derivatives to provide drug candidates.Interestingly,the S–S coupling product was observed in HinD catalysis,which was a minor product in the wild-type TleB catalysis.With the help of protein engineering,we accurately regulated the catalytic flow and reversed the selectivity of TleB to obtain the S–S coupling product.At the same time,the reaction mechanism was reasonably speculated by means of site blocking and protein-substrate complex analysis.Xinying Ge Yan Long Jun Wang Bo Gu Zixuan Yang Yinyin Feng Shuo Zheng Yingying Li Wupeng Yan Heng Song 2023Science China Chemistry2023,66,11:0
9Detection of genetically modified ingredients in seed samples from Heilongjiang soybean field显示文摘A total of 210 soybean samples collected from different areas of Heilongjiang Province were analyzed by PCR to detect the presence of RR (Roundup Ready) soybean ingredient. Results showed that CaMV35S promoter was not detected in all samples. CP4-EPSPS gene was amplified in 13 samples, but all of them were proved to be false positives in restriction endonuclease digestion analysis of PCR products. Further analysis by nested PCR indicated that there were no RR soybean ingredients in the samples. Besides, the ampli- fied fragments of 0x1 by CP4-EPSPS primers were se- quenced, and the results confirmed again the fact that this fragment was not from CP4-EPSPS gene.JIANGHaiyan WANGJianhua WUPeng LIYongchun WANGGuoying 2005Chinese Science Bulletin2005,50,10:0
10Assessment of Urban Climate Environment and Configuration of Ventilation Corridor:A Refined Study in Xi'an显示文摘Integrating urban spatial landscape(USL) parameters into refined climate environment assessment is important. By taking the central urban area(CUA) of Xi’an, China as an example, this study develops an evaluation method based on Urban Climatic Map(UCMap) technology. We define surface urban heat island intensity(SUHI) and surface ventilation potential coefficient(VPC), which can effectively reflect local urban climate. Based on SUHI and VPC,we analyze the influences of seven typical USL metrics including building height(BH), building density(BD), floor area ratio(FAR), sky view factor(SVF), frontal area index(FAI), surface roughness length(RL), and vegetation cover(VC). Then, we construct a comprehensive evaluation model and create an urban climate zoning map on a 100-m resolution. The climate optimization on the map is performed for configuration of possible ventilation corridors and identification of associated control indicators. The results show that the main factors affecting SUHI in the CUA of Xi’an are VC and BD, which explain 87.9% of the variation in SUHI, while VPC explains 50% of the variation in SUHI. The main factors affecting VPC are BH, FAR, FAI, and RL, all of which contribute to more than 95% of the variation in VPC. The evaluation model constructed by SUHI, VPC, and VC can divide the CUA into climate resource spaces, climate preservation spaces, climate sensitive spaces, and climate restoration spaces. On this basis, a ventilation corridor network of 3 level-1 corridors(each over 500 m wide), 6 level-2 corridors(each over 500 m wide) and 13 level-3 corridors(each over 50 m wide) is established. Meanwhile, the main quantitative control indicators selected from the USL metrics are proved to be capable of ensuring smooth implementation of the planned corridors at different levels.Bing DANG Yonghong LIU Hongliang LYU Xia ZHOU Wupeng DU Chunyi XUAN Pei XING Ruozi YANG Feilin XIONG 2022Journal of Meteorological Research2022,36,6:0
11Comparison of photosynthetic pigments and phytoplankton assemblages in two types of coastal regions in Southeast Asia-Indonesian Throughflow and river estuary显示文摘Water samples were collected in order to study the spatial variation of photosynthetic pigments and phytoplankton community composition in the Lembeh Strait(Indonesia) and the Kelantan River Estuary(Malaysia)during July and August 2016, respectively. Phytoplankton photosynthetic pigments were detected using high performance liquid chromatography combining with the CHEMTAX software to confirm the Chl a biomass and community composition. The Chl a concentration was low at surface in the Lembeh Strait, which it was 0.580–0.682 μg/L, with the average(0.620±0.039) μg/L. Nevertheless, the Chl a concentration fluctuated violently at surface in the Kelantan River Estuary, in which the biomass was 0.299–3.988 μg/L, with the average(0.922±0.992) μg/L. The biomass at bottom water was higher than at surface in the Kelantan River Estuary, in which the Chl a concentration was 0.704–2.352 μg/L, with the average(1.493±0.571) μg/L. Chl b, zeaxanthin and fucoxanthin were three most abundant pigments in the Lembeh Strait. As a consequence, phytoplankton community composition was different in the two study areas. In the Lembeh Strait, prasinophytes(26.48%±0.83%) and Synechococcus(25.73%±4.13%) occupied ~50% of the Chl a biomass, followed by diatoms(20.49%±2.34%) and haptophytes T8(15.13%±2.42%). At surface water in the Kelantan River Estuary, diatoms(58.53%±18.44%)dominated more than half of the phytoplankton biomass, followed by Synechococcus(27.27%±14.84%) and prasinophytes(7.00%±4.39%). It showed the similar status at the bottom water in the Kelantan River Estuary,where diatoms, Synechococcus and prasinophytes contributed 64.89%±15.29%, 16.23%±9.98% and 8.91%±2.62%,respectively. The different phytoplankton community composition between the two regions implied that the bottom up control affected the phytoplankton biomass in the Lembeh Strait where the oligotrophic water derived from the West Pacific Ocean. The terrigenous nutrients supplied the diatoms growing, and pico-phytoplankton was grazed through top down control in the Kelantan River Estuary.WANG Lei HUANG Hao AN Lina THOHA Hikmah BONG Chuiwei XIAO Wupeng GU Haifeng 2018Acta Oceanologica Sinica2018,37,12:0
12Analyzing Interoperability of Protocols Using Model Checking显示文摘In practical terms, protocol interoperability testing is still laborious and error-prone with little effect, even for those products that have passed conformance testing. Deadlock and unsymmetrical data communication are familiar in interoperability testing, and it is always very hard to trace their causes. The previous work has not provided a coherent way to analyze why the interoperability was broken among protocol implementations under test. In this paper, an alternative approach is presented to analyzing these problems from a viewpoint of implementation structures. Sequential and concurrent structures are both representative implementation structures, especially in event-driven development model. Our research mainly discusses the influence of sequential and concurrent structures on interoperability, with two instructive conclusions: (a) a sequential structure may lead to deadlock; (b) a concurrent structure may lead to unsymmetrical data communication. Therefore, implementation structures carry weight on interoperability, which may not gain much attention before. To some extent, they are decisive on the result of interoperability testing. Moreover, a concurrent structure with a sound task-scheduling strategy may contribute to the interoperability of a protocol implementation. Herein model checking technique is introduced into interoperability analysis for the first time. As the paper shows, it is an effective way to validate developers' selections on implementation structures or strategies.WUPeng 2005Chinese Journal of Electronics2005,14,3:0
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