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Finding of Neoproterozoic （～775 Ma） magmatism recorded in metamorphic complexes from the North Qilian orogen： Evidence from SHRIMP zircon U-Pb dating

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Chinese Science Bulletin 2006年第8期51卷 963-970页

作者： Chien-Yuan Tseng Houng-Yi Yang WAN Yusheng LIU Dunyi Da-Jen Wen Tzung-Chi Lin kuo-An tung Department of Earth Sciences National Cheng Kung University Tainan 701 China Beijing SHRIMP Centre Institute of Geology Chinese Academy of Geological Sciences Beijing 100037 China Department of Geosciences National Taiwan University Taipei 106 China

标明日期的虾 U-Pb 从 Niuxinshan 片麻岩的花岗石和 Leigongshan 在锆石上被执行在北方 Qilian orogen 的片麻岩的吨子盐， NW 中国。结果分别地产出 776+-10 妈和 774 +-23 妈的加权的平均 ~(206 )Pb/~(238 ) U 年龄。Igneousmorphol... 详细信息

标明日期的虾 U-Pb 从 Niuxinshan 片麻岩的花岗石和 Leigongshan 在锆石上被执行在北方 Qilian orogen 的片麻岩的吨子盐， NW 中国。结果分别地产出 776+-10 妈和 774 +-23 妈的加权的平均 ~(206 )Pb/~(238 ) U 年龄。Igneousmorphology，摆动的 zonings，和为这些锆石的相对高的 Th/U 比率建议 magmaticorigin。这些年龄作为岩浆炮兵阵地预定并且因此代表 aNeoproterozoic (约 775 妈) 被解释在北方 Qilian 区域的 magmatic 事件。thismagmatism 可能与超级大陆 Rodinia 的决裂有关，这被建议。这发现，和 750 ～ 800 妈的类似的年龄为南方中央的 Qilian 和北方 Qaidam 的附近的岩层报导了，具有到在韦斯特中国的 Rodinia 进化的理解的意义。

关键词：岩浆造山带 SHRIMP 锆石年代测定

Migration routes,population status and important sites used by the globally threatened Black-faced Spoonbill(Platalea minor):a synthesis of surveys and tracking studies

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Avian Research 2021年第4期12卷 425-441页

作者： Yiwen chen Yat-tung Yu Fanjuan Meng Xueqin Deng Lei Cao Anthony David Fox School of Life Sciences University of Science and Technology of ChinaHefei 230026China State Key Laboratory of Urban and Regional Ecology Research Center for Eco-Environmental SciencesChinese Academy of Sci-encesBeijing 100085China Hong Kong Bird Watching Society Hong Kong SARChina University of Chinese Academy of Sciences Beijing 100049China Department of Bioscience Aarhus UniversityKaløGrenåvej 148410 RøndeDenmark.

Background:The Black-faced Spoonbill(Platalea minor)is a globally threatened species,nesting mainly in western Korea with smaller numbers breeding in Liaoning Province,China,and Far East *** winter field surveys to estimate the species'population size were almost totally conducted in coastal areas,but tracking studies showed that some individuals now winter *** ensure its long-term survival,we need a more comprehensive assessment of the current distribution and abundance of the ***:We combined the most recent count data and satellite tracking information to update existing informa-tion about the population abundance and distribution of the Black-faced Spoonbill at all stages of its annual life cycle,and how these have changed during ***:Black-faced Spoonbills mainly breed on the west coast of the Korean peninsula,while immature birds show a wider summer distribution throughout Yellow Sea coastal areas,when a few remain on wintering sites in the *** tracking results and mid-winter counts confirmed known wintering sites on the east and south coasts of China,but showed that the species also winters on wetlands in the Yangtze River floodplain and in Southeast *** 2004-2020,counts of wintering birds in coastal habitats increased from 1198 to 4864,with numbers wintering on the island of Taiwan contributing most to the overall *** counts found 5222 in *** also identify key wintering and stopover sites as well as their current conservation ***:This study revised the known summering and wintering ranges of the Black-faced Spoonbill and assessed the conservation status of key sites based on a combination of field survey and satellite tracking *** recommend prioritisation of further field research to identify and survey inland wintering areas in the Yangtze River floodplain and summering areas of immature *** tracking of adult individuals and birds during spring migration is

关键词： Black-faced Spoonbill Breeding distribution Coastal mudflats Conservation status Platalea minor Population abundance Winter distribution Yangtze River floodplain

3D printing robot:model optimization and image compensation

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控制理论与应用（英文版） 2012年第3期10卷 273-279页

作者： Xinwei chen Jingtai LIU Tao SHI Haili QIAN kuo chen Qing WEI Institute of Robotics and Information Automatic System Nankai UniversityTianjin 300071China

A novel 7-axis robot for industrial large 3D printing applications is presented in this paper, which is developed by Institute of Robotics and Automatic Information System, Nankai University. Base on the prototype, the mechanism on three-dimensional printing is deeply dissected. By investigating the reason of color distortions in 3D printing, a novel multistep compensation algorithm based on model optimization and image compensation is developed. Finally, the experimental results show the performance of the 3D printing robot platform and the proposed algorithms.

关键词： 3D printing robot Model optimization Image compensation

Magnetic field effects on photochemical reaction--III. Mechanistic study of the photodecarboxylation of arylmethyl esters in micellar solutions

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Chinese Journal of Chemistry 1991年第6期9卷 552-558页

作者： TONG Zhen-He tung chen-Ho YUAN Long-Hua Institute of Photographic Chemistry The Chinese Academy of SciencesBeijing 100101

Photolysis of benzyl phenylacetate (ACO_2A), benzyl p-methylphenylacetate (BCO_2A) and 1-naphthyl phenylacetate (ACO_2Np) in homogeneous and micellar solutions results in products typical of radical coupling reactions and loss of carbon dioxide. The cage effects upon direct photolysis of these esters in acetonitrile are significantly greater than zero and those in SDS or HDTBr micellar solutions are even greater. In the triplet sensitization reaction of ACO_2 Np in micellar solutions the cage effects are smaller than those obtained upon direct irradiation. However, the application of a 0.05 or 0.2 T external magnetic field in the photolysis in micellar solutions decreases the cage effects dramatically. All these results suggest that the photoextrusions of carbon dioxide from these esters proceed via radical intermediates, and upon direct photolysis the reactive states for the cleavage re- action involve both singlet and triplet excited states.

关键词： In Mechanistic study of the photodecarboxylation of arylmethyl esters in micellar solutions Magnetic field effects on photochemical reaction III

Effects of submerged flexible vegetation and solid structure bars on channel bed scour

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International Journal of Sediment Research 2012年第3期27卷 323-334+336+335页

作者： Su-chin chen Yi-ming kuo Hsiao-chia YEN Dept.of Soil and Water Conservation National Chung Hsing Univ. Dept.of Design for Sustainable Environment Ming Dao Univ. Soil and Water Conservation Bureau Council of Agriculture

The effects of different submerged obstacle longitudinal bars with different arrangement densities on the flow profile and morphology of a scour hole were investigated under clear water conditions. Acoustic Doppler velocimetry(ADV) data were applied to plot the vertical distributions of three-dimensional velocities and turbulent *** experimental results indicate that arrangement density(also can represent porosity),structural material(flexible or solid),and the sidewall effect are the main factors impacting turbulent kinetic energy and the morphology of scour *** flexible vegetation,the maximum turbulent kinetic energy near the bed surface increased with the arrangement *** the same structure,the depth and the magnitude of the lateral expansion of the scour hole also increased with the arrangement *** flexible vegetation reduced the depth of the scour hole because of deflection and arrangement *** larger volumes of scour found in the upstream and middle sections of solid structures compare well to those in flexible *** deflection of porous flexible vegetation transported the turbulent kinetic energy downstream,reduced the turbulent kinetic energy near the sediment bed,and increased the stability of the *** vegetation bars are able to protect the bank and the bed of a river under normal conditions,making them a good alternative design in the management and restoration of rivers.

关键词： Flexible vegetation Solid structure Local scour Longitudinal bar Turbulent kinetic energy

Estimating the change of porosity in the saturated zone during air sparging

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Journal of Environmental Sciences 2006年第4期18卷 675-679页

作者： Yih-jin Tsai Yu-chia kuo Tsu-chi chen Feng-chih Chou Department of Environment and Resources Engineering Diwan College of Managemen t No. 87-1 Nansh Li Madou Tainan Taiwan China

Air sparging is a remedial method for groundwater. The remedial region is similar to the air flow region in the saturated zone. If soil particles are transported during air sparging, the porosity distributions in the saturated zone change, which may alter the flow path of the air. To understand better the particle movement, this study performed a sandbox test to estimate the soil porosity change during air sparging. A clear fracture was formed and the phenomenon of particle movement was observed when the air injection was started. The moved sand filled the porous around the fracture and the reparked sand filled the fracture, reducing the porosity around the fracture. The results obtained from the photographs of the sandbox, the current measurements and the direct sand sample measurements were close to each other and are credible. Therefore, air injection during air sparging causes sand particle movement of sand, altering the characteristic of the sand matrix and the air distribution.

关键词： air sparging sandbox test particle movement current measurement

使用医科达AGL标准流程对多台加速器验收的可行性研究

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中华放射肿瘤学杂志 2024年第3期33卷 244-249页

作者：赵亮李桂元王晓红陈辛元门阔戴建荣田源国家癌症中心/国家肿瘤临床医学研究中心/中国医学科学院北京协和医学院肿瘤医院廊坊院区放疗科廊坊065001 国家癌症中心/国家肿瘤临床医学研究中心/中国医学科学院北京协和医学院肿瘤医院放疗科北京100021

目的验证使用医科达"快速验收流程"(AGL)标准流程验收多台加速器的可行性。方法通过PTW Beamscan三维水箱对3台加速器束流进行调试,使束流达到AGL标准。对达到AGL标准的3台加速器进行剂量验证。使用中国医学科学院肿瘤医院简单野测试例... 详细信息

目的验证使用医科达"快速验收流程"(AGL)标准流程验收多台加速器的可行性。方法通过PTW Beamscan三维水箱对3台加速器束流进行调试,使束流达到AGL标准。对达到AGL标准的3台加速器进行剂量验证。使用中国医学科学院肿瘤医院简单野测试例,比较MapCheck 3面剂量测量结果与同一加速器模型计算得到的面剂量。随机选取头颈、食管、乳腺、肺、直肠等部位肿瘤的10例临床患者影像,分别采用容积弧形调强放疗(VMAT)和调强放疗(IMRT)技术进行计划设计,比较ArcCheck测量剂量与同一加速器模型计算得到的计划剂量。使用单因素方差分析对二维剂量和三维剂量的验证通过率进行统计学分析。结果3台加速器6 MV X射线在水下10 cm处的百分深度剂量(PDD10)分别为67.45%、67.36%、67.47%,且3台加速器之间最大偏差为0.11%。6 MV非均整模式(FFF)X射线的PDD10分别为67.33%、67.20%、67.20%,且3台加速器之间最大偏差为0.13%。3台加速器X射线各能量30 cm×30 cm Profile主轴上所有要求的离散点剂量与标准数据偏差小于±1%。对MapCheck 3二维剂量矩阵验证结果进行绝对γ分析,在10%阈值2 mm/3%标准下,中国医学科学院肿瘤医院测试例平均通过率均在99%以上且差异无统计学意义(P>0.05)。对ArcCheck验证结果进行绝对γ分析,在10%阈值条件下,2 mm/3%的通过率均在95%以上,3台加速器不同能量不同治疗技术的平均通过率最大差异分别为0.28%(6 MV,VMAT)、0.19%(6 MV FFF,VMAT)、0.56%(6 MV,IMRT)和0.05%(6 MV FFF,IMRT),差异无统计学意义(P>0.05)。结论与传统的加速器验收流程相比,使用AGL标准流程验收加速器,每台加速器验收时间缩短4~6周,并保证了患者放疗计划可以在各加速器之间互换执行。

关键词：加速器验收 AGL标准流程测试例

S-Trifluoroethyl Benzenesulfonothioate:A Bench-Stable Reagent for Electrophilic Trifluoroethylthiolation

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Chinese Journal of Chemistry 2020年第12期38卷 1625-1628页

作者： Shuai Huang Ziheng Xi Kui Lu Haifeng Lu chen-Ho tung Zhenghu Xu Key Lab for Colloid and Interface Chemistry of Education Ministry Shandong UniversityJlinanShandong 250100China Stote Key Laborctory of Organometallic Chemistry Shanghai Institute of Organic Chemistry Chinese Academy of SciencesShanghai 200032China Land Surveying and Mapping Institute of Shandong Province JinanShandong 250013China

of main observation and conclusion We report herein a practical approach for synthesis of an electrophilic trifluoroethylthiolation reagent PhSO2SCH2CF3(1)from easily available *** reaction proceeded through a protonation and nucleophilic substitution cascade of the in situ formed *** bench-stable reagent could easily be applied to introduce trifluoroethylthio group into small organic molecules.

关键词： materials. reagent substitution

A Multimodel Transfer-Learning-Based Car Price Prediction Model with an Automatic Fuzzy Logic Parameter Optimizer

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Computer Systems Science & Engineering 2023年第8期46卷 1577-1596页

作者： Ping-Huan kuo Sing-Yan chen Her-Terng Yau Department of Mechanical Engineering National Chung Cheng UniversityChiayi62102TaiwanChina Advanced Institute of Manufacturing with High-Tech Innovations(AIM-HI) National Chung Cheng UniversityChiayi62102TaiwanChina

Cars are regarded as an indispensable means of transportation in *** studies have indicated that the automotive industry has witnessed remarkable advances and that the market of used cars has rapidly *** this study,a price prediction system for used BMW cars was *** parameters of used cars,including their model,registration year,and transmission style,were *** data obtained were then divided into three *** first subset was used to compare the results of each *** predicted values produced by the two algorithms with the most satisfactory results were used as the input of a fully connected neural *** second subset was used with an optimization algorithm to modify the number of hidden layers in a fully connected neural network and modify the low,medium,and high parameters of the membership function(MF)to achieve model ***,the third subset was used for the validation set during the prediction *** three subsets were divided using k-fold cross-validation to avoid overfitting and selection *** conclusion,in this study,a model combining two optimal algorithms(i.e.,random forest and k-nearest neighbors)with several optimization algorithms(i.e.,gray wolf optimizer,multilayer perceptron,and MF)was successfully *** prediction results obtained indicated a mean square error of 0.0978,a root-mean-square error of 0.3128,a mean absolute error of 0.1903,and a coefficient of determination of 0.9249.

关键词： Used car price prediction transfer learning fuzzy logic machine learning optimization algorithm