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81篇 您的检索式:作者名="ZHANGYu"
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1Applicability of Bevis Formula at Different Height Levels and Global Weighted Mean Temperature Model Based on Near-earth Atmospheric Temperature显示文摘Weighted mean temperature(T m)is a critical parameter in Global Navigation Satellite System(GNSS)technology to retrieve precipitable water vapor(PWV).It is convenient to obtain high-precision T m estimates near surface utilizing Bevis formula and surface temperature.However,some researches pointed out that the Bevis formula has large uncertainties in high-altitude regions.We investigate the applicability of the Bevis formula at different height levels and find that the Bevis formula has relatively high precision when the altitude is low,while with altitude increasing,the precision decreases gradually.To solve the problem,we analyze the relationship between T m and atmospheric temperature within the near-earth space range(the height range between 0~10 km)and find that they have a high correlation on a global scale.Accordingly,we build a global weighted mean temperature model based on near-earth atmospheric temperature.Validation results of the model show that this model can provide high-precision T m estimation at any height level in the near-earth space range.Yibin YAO Zhangyu SUN Chaoqian XU 2020Journal of Geodesy and Geoinformation Science2020,3,1:14
2Causes of death after hip fracture in senile patients显示文摘MARen-shi ZHANGYu HUANGXu ZHUDong GUGui-shan YANGGuo—tao LIMing SONGAi-hua YOUYang 2012Chinese Journal of Traumatology2012,15,1:10
3Evolution of Tectonic Uplift, Hydrocarbon Migration, and Uranium Mineralization in the NW Junggar Basin: An Apatite Fission-Track Thermochronology Study显示文摘The Mesozoic–Cenozoic tectonic movement largely controls the northwest region of the Junggar Basin(NWJB), which is a significant area for the exploration of petroleum and sandstone-type uranium deposits in China. This work collected six samples from this sedimentary basin and surrounding mountains to conduct apatite fission track(AFT) dating, and utilized the dating results for thermochronological modeling to reconstruct the uplift history of the NWJB and its response to hydrocarbon migration and uranium mineralization. The results indicate that a single continuous uplift event has occurred since the Early Cretaceous, showing spatiotemporal variation in the uplift and exhumation patterns throughout the NWJB. Uplift and exhumation initiated in the northwest and then proceeded to the southeast, suggesting that the fault system induced a post spread-thrust nappe into the basin during the Late Yanshanian. Modeling results indicate that the NWJB mountains have undergone three distinct stages of rapid cooling: Early Cretaceous(ca. 140–115 Ma), Late Cretaceous(ca. 80–60 Ma), and Miocene–present(since ca. 20 Ma). These three stages regionally correspond to the LhasaEurasian collision during the Late Jurassic–Early Cretaceous(ca. 140–125 Ma), the Lhasa-Gandise collision during the Late Cretaceous(ca. 80–70 Ma), and a remote response to the India-Asian collision since ca. 55 Ma, respectively. These tectonic events also resulted in several regional unconformities between the J3/K1, K2/E, and E/N, and three large-scale hydrocarbon injection events in the Piedmont Thrust Belt(PTB). Particularly, the hydrocarbon charge event during the Early Cretaceous resulted in the initial inundation and protection of paleo-uranium ore bodies that were formed during the Middle–Late Jurassic. The uplift and denudation of the PTB was extremely slow from 40 Ma onward due to a slight influence from the Himalayan orogeny. However, the uplift of the PTB was faster after the Miocene, which led to re-uplift and exposure at the surface during the Quaternary, resulting in its oxidation and the formation of small uranium ore bodies.QIN Mingkuan HUANG Shaohua HE Zhongbo XU Qiang SONG Jiye LIU Zhangyue GUO Qiang 2018Acta Geologica Sinica(English Edition)2018,92,5:7
4The Latest In-Situ Uraninite U-Pb Age of the Guangshigou Uranium Deposit, Northern Qinling Orogen, China: Constraint on the Metallogenic Mechanism显示文摘Objective The Guangshigou uranium deposit is located in the eastern part of the Shangdan triangular domain,which is currently the most productive pegmatite-hosted uranium deposit in China.Previous studies have focused on the migration and precipitation of uraninite and biotite clusters in the uraniferous pegmatites (Li Yanhe et al.,2016;Yuan et al.,2018).However,the accurate uranium mineralization age still remains poorly constrained,thus hindering the understanding of the origin of the uranium mineralization.This study conducted in-situ LA-ICP-MS U-Pb dating on uraninite to obtain a robust mineralization age for the Guangshigou deposit,and interpreted the relationship between granitic magma evolution and uranium mineralization.WU Yong QIN Mingkuan GUO Dongfa FAN Guang LIU Zhangyue GUO Guolin 2018Acta Geologica Sinica(English Edition)2018,92,6:4
5Who is Going to Supply the Milk to China's South?显示文摘中国的奶店工业在最近的年里经历了快速的扩大,与从 2000 ~ 2006 的 23.8% 的平均年度生长率。然而,在那里存在在牛奶生产和消费的严肃的地理分发不平衡。约 85% 中国的牛奶在北中国被生产,在 40% 这个国家的人口住的地方。相反,仅仅大约 15% 牛奶在中国的南方被生产,在 60% 中国的人口住的地方。这在南部的中国导致了在牛奶生产和消费之间的重要差距,这差距被期望升起。这篇论文考虑中国的牛奶需求和供应状况,分析可能的潜力让中国扩展它的牛奶生产并且探索为遇见牛奶需求的选择—供应缺乏。政策和贸易含意被讨论。Jimin Wang Zhangyue Zhou Qiuhong Shen 2008China & World Economy2008,16,4:3
6Voltammetric Determination of Epinephrine in the Presence of Uric Acid Based on Aminated Graphene and Ag NPs Hybrid Membrane Modified Electrode显示文摘XU Huanhuan WANG Xueliang CHEN Rong YU Zhangyu 2014Chemical Research in Chinese Universities2014,30,2:3
7Multistage Enrichment of the Sawafuqi Uranium Deposit: New Insights into Sandstone-hosted Uranium Deposits in the Intramontane Basins of Tian Shan, China显示文摘Meso-Cenozoic intracontinental orogenic processes in the Tian Shan orogenic belt have significant effect on the sandstone-hosted uranium deposits in the intramontane basins and those adjacent to the orogen. The Sawafuqi uranium deposit, which is located in the South Tian Shan orogenic belt, is investigated to reveal the relationships between uranium mineralization and orogenies. Recent exploration results show that the Sawafuqi uranium deposit has tabular, stratiform, quasi-stratiform, and lens-like orebodies and various geological characteristics different from typical interlayer oxidation zone sandstone-hosted uranium deposits. Systematic studies of ore samples from the Sawafuqi uranium deposit using a variety of techniques, including thin section observation, α-track radiograph, electron microprobe and scanning electron microscope, suggest that uranium mineralization is closely related to pyrite and organic matter. Mineralization-related alterations in the host rocks are mainly silicification and argillation including kaolinite, illite(and illite-smectite mixed layer) and chlorite. Tree stages of mineralization were identified in the Sawafuqi uranium deposit:(i) uranium-bearing detritus and synsedimentary initial pre-enrichment;(ii) interlayer oxidization zone uranium mineralization; and(iii) vein-type uranium mineralization. The synsedimentary uranium pre-enrichment represents an early uranium enrichment in the Sawafuqi uranium deposit, and interlayer oxidation zone uranium mineralization formed the main orebodies, which are superimposed by the vein-type uranium mineralization. Combining the results of this study with previous studies on the Meso-Cenozoic orogenies of South Tian Shan, it is proposed that the synsedimentary uranium pre-enrichment of the Sawafuqi uranium deposit was caused by Triassic Tian Shan uplift, and the interlayer oxidation zone uranium mineralization occurred during the Eocence-Oligocene period, when tectonism was relatively quiet, whereas the vein-type uranium mineralization took place in relation to the strong orogeny of South Tian Shan since Miocene.LIU Zhangyue PENG Suping QIN Mingkuan LIU Hongxun HUANG Shaohua HE Zhongbo GUO Qiang XU Qiang SONG Jiye 2017Acta Geologica Sinica(English Edition)2017,91,6:3
8Single-particle trapping and dynamic manipulation with holographic optical surface-wave tweezers显示文摘Optical surface waves have widely been used in optical tweezers systems for trapping particles sized from the nanoto microscale,with specific importance and needs in applications of super-resolved detection and imaging if a single particle can be trapped and manipulated accurately.However,it is difficult to achieve such trapping with high precision in conventional optical surface-wave tweezers.Here,we propose and experimentally demonstrate a new method to accurately trap and dynamically manipulate a single particle or a desired number of particles in holographic optical surface-wave tweezers.By tailoring the optical potential wells formed by surface waves,we achieved trapping of the targeted single particle while pushing away all surrounding particles and further dynamically controlling the particle by a holographic tweezers beam.We also prove that different particle samples,including gold particles and biological cells,can be applied in our system.This method can be used for different-type optical surface-wave tweezers,with significant potential applications in single-particle spectroscopy,particle sorting,nano-assembly,and others.XI XIE XIANYOU WANG CHANGJUN MIN HAIXIANG MA YUNQI YUAN ZHANGYU ZHOU YUQUAN ZHANG JING BU XIAOCONG YUAN 2022Photonics Research2022,10,1:3
9Effect of Carbonation and Drying-Wetting Cycles on Chloride Diffusion Behavior of Coral Aggregate Seawater Concrete显示文摘Based on seawater immersion,drying-wetting cycles,carbonation and drying-wetting cycles for coral aggregate sea-water concrete(CASC)with different strength grades,the effect of carbonation and drying-wetting cycles on chloride diffusion be-havior of CASC is studied.The results show that the free surface chloride concentration(Cs),free chloride diffusion coefficient(Df)and time-dependent index(m)of CASC in the drying-wetting cycles is obviously higher than that in seawater immersion.The Df and m of CASC of carbonation and drying-wetting cycles is higher than that in the drying-wetting cycles.Carbonation increases the Df and m of CASC,which is against CASC to resist chloride corrosion.The corrosion possibility of CASC structures in different ex-posed areas is as follows:splash zone(carbonation and drying-wetting cycles)>tidal zone(drying-wetting cycles)>underwater zone(seawater immersion).Besides,the chloride diffusion rate of C65-CASC is 17.8%-63.4%higher than that of C65-ordinary aggre-gate concrete(OAC)in seawater immersion(underwater zone).Therefore,anti-corrosion measures should be adopted to improve the service life of CASC structure in the oceanic environment.DA Bo LI Yipeng YU Hongfa MA Haiyan CHEN Haoyu DOU Xuemei WU Zhangyu 2022Journal of Ocean University of China2022,21,1:2
10显示文摘LIRong-Qing(李荣清) ZHAOPu-Su(赵朴素) ZHANGYu(张宇) eta1 2012无机化学学报2012,28,:1
11显示文摘JIANGLu_lu ZHANGYu LIUFei(蒋璐璐 张瑜 刘飞) 石油学报0,,:1
12Changing bilateral trade between China and India显示文摘WU Yanrui ZHOU Zhangyue 2006Journal of Asian Economics2006,17,3:1
13Modified Space Searching Algorithm for GPS Ambiguity显示文摘HUANG Zhangyu LIU Shengnan CHEN Sujuan 2011Journal of Hehai University Natural Sciences2011,89,1:1
14SPOT5 multi-spectral (MS) and panchromatic (PAN) image fusion using an improved wavelet method based on local algorithm 显示文摘Dong Zhangyu Wang Zongming Liu Dianwei 2013Computers -Geosciences2013,60,:1
15显示文摘GONGChun-Hong(袭春红) DUChen-Qiang(杜陈强) ZHANGYu(张玉) etal 2009无机化学学报2009,25,9:1
16显示文摘ZHOUZi-li ZHANGYu HEYong etal(周子立 张瑜 何勇 等) 2009农业工程学报2009,25,8:1
17Flame retardant polyoxymethylene with aluminium hydroxide/melamine/novolac resin synergistic system 显示文摘Zhangyu Wang Yuan Liu Qi Wang 2010Polymer Degradation and Stability2010,95,6:1
18Supply Chain Optimization of Continuous Process Industries with Sustainability Considerations 显示文摘Zhou Zhangyu Cheng Siwei 2000Computers and Chemical Engineering2000,,24:1
19Supply chain optimization of continuous process industries with sustainability consideration 显示文摘Zhou Zhangyu Cheng Siwei Hua Ben 2000Computers & Chemical Engineering2000,24,27:1
20Supply chain optimization of continuous process industries with sustainability considerations 显示文摘Zhou Zhangyu Cheng Siwei Hua Ben 2000Computers & Chem Eng2000,24,27:1
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