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地学前缘 2009年第S1期16卷 148-148页

作者： Yuantao Liao~1,Hua Wang~1,Jiahao Wang~1,Dunqing xiao~2.Chuanyan Huang~1,Shu’e Zhao~1 1.Faculty of earth Resources,china University of Geo{2.(Wuhan) Key Laboratory of Tectonics and Petroleum Resources Ministry of Education,Wuhan 430074,china. 2.Research institute of Dagang Oilfield Company,Petrochina,Tianjin 3002.0,china

The Qikou sag is the largest hydrocarbon-rich sag in the central Huanghua depression of Bohaiwan *** formed as a result of Tertiary rifting and was mainly filled with Cenozoic siliciclastic sediments about 8000-10000 m *** petroleum exploration of Binhai district in Qikou sag hardly gained breakthrough all through because of previous ambiguous understanding of spatial and temporal patterns

关键词： Bohaiwan basin Qikou sag Binhai district sediment supply sediment dispersal lithologic traps lithostratigraphic traps

Study on Lunar Gravity Field and Orbit Control of Lunar Satellite

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Study on Lunar Gravity Field and Orbit Control of Lunar Sate...

2.10 3rd IEEE International Conference on Computer Science and Information Technology—ICCSIT 2.10

作者： Liu Yingying Liu Rui Zhou Jun institute of Precision Guidance and Control Northwestern Polytechnic University xi’an china

In this paper,with the globally-accepted lunar gravitation field models LP165P and GLGM-2.character of the lunar gravitation field models were analyzed based on kaula ***,making use of LP165P models truncated to 70 orders and degrees,the free running time span of lunar satellite of 100km height were ***,a maneuver method for orbit height keeping is presented for 100km height *** result of this paper deduced time consuming of the computer and reached certain precision when using lunar gravitation field models.

关键词： non-spherical perturbation of Moon kaula theory LP165P model orbit maneuver

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《计算方法》MCAI的开发与实现

陕西教育学院学报 2003年第2期19卷 28-30页

作者：王金柱王香柯徐长林魏裕博陕西教育学院陕西西安710061 西安邮电学院陕西西安710061

《计算方法》多媒体课件,可以《课件大师》多媒体编辑软件为基本工具,以《计算方法》课程内容为素材。二者有效、合理及具体地结合,能较好地实现教学过程电子化。

关键词：《计算方法》 MCAI 开发多媒体课件课程内容计算机辅助教学教学形式教学改革

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渤海油田调整井钻井液体系优化研究与应用

当代化工 2024年第6期53卷 1468-1471页

作者：杨喜何斌王荐中海石油(中国)有限公司天津分公司天津300452 中海油服油田化学事业部塘沽作业公司天津300452 长江大学湖北荆州434000 湖北省油田化学产业技术研究院湖北荆州434000

渤海油田由于油藏地质沉积和层系井网特点及长期注水开发对地层原始压力系统的破坏,在钻井过程中主要面临复杂压力系统、水敏性软泥页岩地层造浆及低压衰竭储层保护等问题。室内优化了PEC钻井液体系的流变稳定性和承压封堵能力,可显著... 详细信息

渤海油田由于油藏地质沉积和层系井网特点及长期注水开发对地层原始压力系统的破坏,在钻井过程中主要面临复杂压力系统、水敏性软泥页岩地层造浆及低压衰竭储层保护等问题。室内优化了PEC钻井液体系的流变稳定性和承压封堵能力,可显著改善钻井液钻遇水敏性泥页岩的流变稳定性,同时可大幅提高钻井液承压封堵能力,储层保护效果良好,渗透率恢复值都在90%以上。优化后的钻井液体系在渤海油田成功应用,易造浆井段的流变性稳定,起钻效率明显提高,缩短建井周期,提高开发时效,取得较好的应用效果,满足渤海油田压力衰竭地层钻井工程安全和储层保护双重要求。

关键词：渤海油田软泥岩钻井液承压封堵储层保护

Temperature-pressure Comprehensive Adsorption Model for Coal Adsorption of Methane

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Temperature-pressure Comprehensive Adsorption Model for Coal...

Magnetic-fluid microelectromechanical light modulator

The 9th International Symposium on CBM/CMM in china

作者： Zhang Qun~1,Cui Yongjun~2.Zhong Lingwen~1,Zhang Qingling~1, Jiang Wenping~1,LiI Yuhui~1 (1.xi’an Branch,china Coal Research institute,Shaanxi 710054 2.china Shenhua Coal Liquefaction Company Ltd.,Beijing 10001)

＜正＞A serious of representative rank coals with dark lignite,gas coal,coking coal,lean coal,anthracite and meta-anthracite were *** high pressure isothermal adsorption tests were made under different temperatures of 2.,30,40,50℃*** on adsorption potential theory,shape features of methane characteristic curves for coals were revealed.A new temperature-pressure comprehensive adsorption model of coal adsorption of methane（P -T adsorption mode for short） was deducted and established,and the method of calculating the characteristic constant for the model was *** use of a great number of experimental data from methane high pressure isothermal tests,the prediction results of the model were verified and compared with the prediction results of Langmuir isothermal adsorption *** is shown that the prediction results of the model are almost identical with the experimental data with mean relative deviations less than 5%and the model can accurately describe adsorption characteristics under combined action of temperature and pressure for all rank coals including extremely low-rank dark lignite and extremely high-rank *** model is proved correct and reasonable,and has more function and wider range than ones of Langmuir isothermal adsorption model.

关键词： coal methane absorption temperature-pressure comprehensive adsorption model

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光学精密工程 2005年第5期13卷 542-547页

作者： SEO Jong-wook WANG xi-jun School of Electronic and Electrical Engineering Hongik University 72-1 Sangsu-dong Mapo-gu Seoul 121-791 Rep. Korea Changchun institute of Optics Fine Mechanics and PhysicsChinese Academy of Sciences Changchun 130033 China

A new microfluidic microelectromechanical light modulator using a magnetic fluid is introduced. The optical reflection from the device is modulated by applying an electric current into an electrode, which is enclosed by ferromagnetic thin films as in an inductive head for a magnetic data storage device. The magnetic field produced by the current exerts a magnetic force on the magnetic fluid and drives the fluid to cover the cell surface. The surface tension of the fluid provides a restoring force when the field is reduced. The actuation of the fluid is completed in about 12.ms for both thin-to-thick and thick-to-thin fluid film switchings by magnetic forces and surface tension forces, respectively. It was observed that the switching speed was almost independent of the driving current, and no considerable thermal effect were observed when driven by a current up to 100 mA.

关键词：微电子学光调节器磁性流动性 FPD MEMS 弯曲效应电极有限元法 FEM

Regularized canonical correlation analysis with unlabeled data

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Journal of Zhejiang University-Science A(Applied Physics & Engineering) 2009年第4期10卷 504-511页

作者： xi-chuan ZHOU Hai-bin SHEN institute of VLSI Design Zhejiang University Hangzhou 310027 China

In standard canonical correlation analysis (CCA), the data from definite datasets are used to estimate their canonical correlation. In real applications, for example in bilingual text retrieval, it may have a great portion of data that we do not know which set it belongs to. This part of data is called unlabeled data, while the rest from definite datasets is called labeled data. We propose a novel method called regularized canonical correlation analysis (RCCA), which makes use of both labeled and unlabeled samples. Specifically, we learn to approximate canonical correlation as if all data were labeled. Then, we describe a generalization of RCCA for the multi-set situation. Experiments on four real world datasets, Yeast, Cloud, Iris, and Haberman, demonstrate that, by incorporating the unlabeled data points, the accuracy of correlation coefficients can be improved by over 30%.

关键词： Canonical correlation analysis (CCA) Regularization Unlabeled data Generalized canonical correlation analysis(GCCA)

Dynamic Model of Mineralization Enrichment and Its Applications

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Journal of earth Science 2000年第2期19卷 99-101页

作者： Shen Wei institute of High and New Techniques Applied to Land Resources, china University of Geo{2., Beijing 100083

This paper studies the chaos dynamic mechanism of the migration, enrichment and mineralization of elements in the crust. The research shows that the interaction of the nonlinear process in the geological environment is an essential factor for the uneven distribution of elements and the mineralization in the crust, determining the element contents and the fractal structure of the distribution of the large and small sized mineral deposits. The logistic map is a better mathematical model describing the behavior of the chaos dynamic. The parameter μ , i.e., the mineralizing potential, is employed to divide the region into non mineralization region or mineralization region. The value of the parameter μ in model (3) with true data (in xinjiang Au tomatio region, china) is obtained with the statistical method. The forecasting results are generally in accordance with those obtained with other methods, for example, with the characteristic analysis.

关键词： chaos dynamics nonlinearity integrative information mathematical model.

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基于生物自然景观欣赏的学前儿童感官体验

陕西教育学院学报 2011年第4期27卷 95-98页

作者：王茁陕西教育学院生物科学与应用技术系陕西西安710061

感官刺激对学前儿童成长发育具有重要的作用,运用生物自然景观欣赏教学中的各类方法可以提高学前儿童智力和情感、美感感知的能力。

关键词：学前儿童感官体验生物自然景观

Mild Hydrothermal Synthesis, Characterization and Properties of Na_5Ce(PO_4)_3, Na_3Yb_2.PO_4)_3·H_2. and Na_(5-2.)Yb_2.Ce_(1-x)(PO_4)_3·yH_2.

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Chemical Research in chinese Universities 2000年第4期16卷 287-300页

作者： XU Yao-hua, WANG Dan, FENG Shou-hua, PANG Wen-qin and YUE Yong (Key Laboratory of Inorganic Synthesis & Preparative Chemistry, Jilin University, Changchun 13002., P. R. china Wuhan institute of Physics, Academia Sinica, Wuhan 430071, P. R. china) 吉林大学无机合成与制备化学开放实验室吉林长春 130023 中科院武汉物理与数学所湖北武汉 430071

Novel phosphates, Na5-2. Yb2.Ce1-x (PO4)3·yH2.(x=0-1, y=0-1), were synthesized under mild hydrothermal conditions at 2.0℃ with Ce(SO4)2.H2., Ce(SO4)2.2.NH4)2.O4· 4H2., CeO2. Yb2.3, 85 % H3PO4 and NaOH as the starting materials. The products were sensitively influenced by the pH value of the systems and reaction temperature. Under an acidic condition, CePO4 was the product at 2.0℃, in which Ce(Ⅳ ) species was reduced to Ce(Ⅲ) species. Under a weak basic condition, Na2.e(PO4)2.0. 79H2. was produced. Under a medium basic condition, the expected compound Na5Ce(PO4)3 was the product. Under a basic condition, CeO2.was the final product, amorphous phase was also produced in some cases. The structure of the compounds were investigated by X-ray diffraction, SEM, IR, Raman, 31P MAS NMR and XPS spectroscopies. To determine the valence of Ce in the compound, EPR and DRS of the compound were also recorded. The thermal properties of the compounds were determined with DTA-TG analysis. Na5Ce(PO4)3 was decomposed into Na3Ce(PO4)2. Na4P2.7 and O, at 694℃, in which Ce(Ⅳ) was reduced to Ce(Ⅲ) species. Na3Yb2.PO4)3·H2. lost water and was transferred into a new phase at a high temperature 682.. The thermal stability of Na5-2.Yb2.Ce1-x (PO4)3· yH2. could be improved by increasing x value. When x=0. 54, the compound was stable even at the temperature ca. 1 000℃.The ionic conductivities of the compounds were increased when the amount of Yb in the compound was increased and when x=0. 33, it reached the highest value (σ300℃= 3. 96 ×10-6 S·cm-1).

关键词： Cerium Ionic conduction Mild hydrothermal synthesis Rare earth phosphate Ytterbium