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关于一类非线性投影方程解的存在

四川大学学报（自然科学版） 2003年第4期40卷 792-793页

作者：李秋敏四川大学数学学院四川成都610064

最近，文[1]引入并研究了一类非线性投影方程。本文的目的是讨论一类更广泛的非线性投影方程解的存在性。

关键词：非线性投影方程解存在性 Hilbert空间集值映象压缩映象广义隐拟变分不等式

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准噶尔盆地石南油田油气藏地球化学特征

天然气工业 2004年第12期24卷 24-27,183页

作者：伍新和伊海生王成善成都理工大学沉积地质研究所成都理工大学"油气藏地质及开发工程"国家重点实验室

位于准噶尔盆地腹部的石南油田 ,四面分别与玛湖凹陷、盆 1井西凹陷和石南凹陷相邻 ,其石油地质储量超过 1× 10 8t。石南凹陷二叠系烃源岩有机质成熟度低、类型差、生烃量小 ;盆 1井西凹陷二叠系烃源岩有机质从成熟—过成熟均有分布、... 详细信息

位于准噶尔盆地腹部的石南油田 ,四面分别与玛湖凹陷、盆 1井西凹陷和石南凹陷相邻 ,其石油地质储量超过 1× 10 8t。石南凹陷二叠系烃源岩有机质成熟度低、类型差、生烃量小 ;盆 1井西凹陷二叠系烃源岩有机质从成熟—过成熟均有分布、有机质类型好、生烃量巨大 ,玛湖凹陷烃源岩与盆 1井西凹陷烃源岩石油地质特征相似 ,但因其中生界构造特征而被排除。文章运用有机地球化学方法 ,分析并类比了烃源岩和原油中C2.0 、C2.1、C2.3 三环二萜烷和甾烷等生物标志化合物特征 ,确定 :①石南油田油气主要来源于盆 1井西凹陷二叠系风城组和下乌尔禾组烃源岩 ;②油气运移的通道主要是断层和不整合面 ;

关键词：烃源岩二叠系生烃量地球化学特征准噶尔盆地油气藏有机地球化学油田凹陷两期成藏

元谋盆地古红土的土壤发生学特征及古环境意义

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土壤通报 2004年第3期35卷 251-256页

作者：黄成敏王成善何毓蓉杨忠四川大学环境科学与工程系四川成都610065 成都理工大学沉积地质研究所四川成都610059 中国科学院成都山地灾害与环境研究所四川成都610041

选择元谋盆地不同发育年代形成的古红土,探讨了古红土的发生学特性。研究表明,在气候上更有利于早期形成的古红土发生强烈的风化淋溶作用,同时,晚期形成古红土气候湿热程度下降,成土时间也短,故土壤中硅淋溶较弱,铁铝富集程度不强。利... 详细信息

选择元谋盆地不同发育年代形成的古红土,探讨了古红土的发生学特性。研究表明,在气候上更有利于早期形成的古红土发生强烈的风化淋溶作用,同时,晚期形成古红土气候湿热程度下降,成土时间也短,故土壤中硅淋溶较弱,铁铝富集程度不强。利用古红土发生学特性,可以推断出元谋盆地从晚新生代的湿热气候经暖干气候演化至现代的干热气候。

关键词：元谋盆地古红土土壤发生学特征古环境

Dynamic feedback robust stabilization of nonholonomic mobile robots based on visual servoing

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控制理论与应用（英文版） 2010年第2期8卷 139-144页

作者： Chaoli WANG 1 , Zhenying LIANG 2., 3 , Qingwei JIA 4 (1.department of Control Science and Engineering, university of Shanghai for Science and Technology, Shanghai 2.0093, China 2.Business School, university of Shanghai for Science and Technology, Shanghai 2.0093, China 3.School of Science, Shandong university of Technology, Zibo Shandong 2.5049, China 4.Research & Development Centre, Hitachi Asia Ltd, Hitachi Tower, Singapore 049318) department of Control Science and Engineering University of Shanghai for Science and Technology Shanghai China Business School University of Shanghai for Science and Technology Shanghai China School of Science Shandong University of Technology Zibo Shandong China Research & Development Centre Hitachi Asia Ltd Hitachi Tower Singapore

This paper investigates the visual servoing robust stabilization of nonholonomic mobile robots. The calibration of visual parameters is not only complicated, but also needs great consumption of calculated time so that the accurate calibration is impossible in some situations for high requirement of real timing. Hence, it is interesting and important to consider the design of stabilizing controllers for nonholonomic kinematic systems with uncalibrated visual parameters. A novel uncertain model of these nonholonomic kinematic systems is proposed. Based on this model, a stabilizing controller is discussed by using dynamic feedback and two-step techniques. The proposed robust controller makes the mobile robot image pose and the orientation converge to the desired configuration despite the lack of depth information and the lack of precise visual parameters. The stability of the closed loop system is rigorously proved. The simulation is given to show the effectiveness of the presented controllers.

关键词： Nonholonomic system Uncalibrated visual parameters Stabilization Dynamic feedback

Preparation and Structure of A Novel Ethanolamine-occluding Aluminoarsenate

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Chemical Research in Chinese Universities 1990年第2期6卷 91-94页

作者： Li Li and Vang Guangdi (Institute of Theoretical chemistry, Jilm university, Changchun)Chen Jiesheng and Xu Ruren ({2. of chemistry, Jilm university, Changchun)

An aluminoarsenate, ***, denoted as AlAsO4-1 was synthesized from EAN(EAN= ethanolamine), pyroarsenic acid and aluminium-iso-propylate systems. The crystal structure of AlAsO4-1 was determined by single crystal X-ray diffraction method. The compound crystallizes in orthorhombic space group Pcab with the unit cell constants:0 = 8.781(3), 6=10.2.1(3), c=2.. 433(11) A .V = 1840.9 A3, 2.8. The final R and Rw factors are 0. 0401 and 0. 0344, respectively. The framework of AlAsO4-1 contains two types of Al atoms. It is interesting that in the asymmetric unit one of two Al atoms is strictly 4-coordinated and the other is 6-coordinated. The three-dimensional framework is built of two-dimensional nets which consist of 4-membered rings and 8-membered rings. The biggest open channel in the framework runs along [100], in which EAN template is located. Arsenic atoms can function as a component element for construction of three-dimensional net with topological novelty.

关键词： Aluminoarsenate Preparation Structure Template Channel

Effect of Insulin on Development of ICR Mouse Embryos in Vitro

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Journal of Reproduction and Contraception 2009年第4期20卷 205-210页

作者： Yang LIU Lan MA Yuan ZHANG Fang DING Hong-lin ZHOU department of Gynecology 2nd Affiliated Hospital of Kunming Medical College Kunming 650101 China department of Gynecology and Obstetrics Renhe Hospital of Three Gorges University Yichang 443001 China

Objective To study the effects and the appropriate concentration of insulin on the development of mouse embryos in vitro, and the effects of insulin on the development of different stages of embryos.Methods Mouse embryos were cultured in vitro in the mKSOM media supplemented with insulin at different concentrations and with insulin during different stages of embryos. The blastoeyst rates and the cell numbers were counted.Results Additions of insulin significantly increased the rates of blastocyst and the total cell numbers. The concentrations of 0.005 μg/ml and 0.05 μg/ml insulin caused a significant increase in the total cell numbers compared with the control and experimental groups. Addition of insulin from 2.cell to 4-cell stage or from the 4-cell to morula stage, significantly increased the blastocyst rates compared with control and experi- mental groups.Conclusion Insulin can promote the development of mouse embryos in vitro. The appropriate concentration of insulin added in mKSOM was 0.005 μg/ml and 0.05μg/ml. Exposure of embryos to insulin, beginning at the 2.cell and extending to the 4-cell stage or beginning at the 4-cell and extending to the morula stage, is important for the development of lCR mouse embryos in vitro.

关键词： insulin mouse embryo development in vitro

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《夷坚志》与南宋江南密宗信仰

四川师范大学学报（社会科学版） 2002年第3期29卷 45-51页

作者：刘黎明四川大学文学与新闻学院四川成都610064

密宗作大乘佛教的一个派别传入中国 ,经过一个相当复杂的发展过程 ,在唐代开元年间鼎盛一时 ,受到最高统治者的青睐。许多学者认为 :由于密宗与中国传统的伦理观念存在着根本性的冲突 ,它在开元之后不久 ,很快就夭折了。其实 ,这并不符... 详细信息

密宗作大乘佛教的一个派别传入中国 ,经过一个相当复杂的发展过程 ,在唐代开元年间鼎盛一时 ,受到最高统治者的青睐。许多学者认为 :由于密宗与中国传统的伦理观念存在着根本性的冲突 ,它在开元之后不久 ,很快就夭折了。其实 ,这并不符合实际情况。密宗并没有因为武宗灭佛而消亡 ,它在民间依然拥有大量的信徒 ,时至宋代依然如此 ,特别是在江南则更为兴盛 ,洪迈《夷坚志》

关键词：《夷坚志》佛教密宗民间巫术江南地区南宋《宝楼阁呢》《白伞盖真言》《大悲咒》《孔雀明王经》

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山岭区低等级低指标公路路线的使用质量分析

同济大学学报（自然科学版） 2010年第2期38卷 245-251,272页

作者：徐进彭其渊邵毅明李时华西南交通大学交通运输学院成都610031 重庆交通大学交通运输学院重庆400074 云南省昭通市大关交通局昭通657400

在计算机上建立道路生成模块、车辆模型库、驾驶人模块,形成"路线-驾驶者-车辆"仿真系统,以云南省大关—永善四级公路为对象,以小客车为仿真车辆,针对常见的驾驶员类型来设置驾驶特征参数,进行了跟随路中线行驶的仿真试验,分别分析了路... 详细信息

在计算机上建立道路生成模块、车辆模型库、驾驶人模块,形成"路线-驾驶者-车辆"仿真系统,以云南省大关—永善四级公路为对象,以小客车为仿真车辆,针对常见的驾驶员类型来设置驾驶特征参数,进行了跟随路中线行驶的仿真试验,分别分析了路线上的速度特性、操纵负荷特性和驾乘舒适性.试验结果表明:只要注意相邻曲线参数的合理搭配并注意控制直线段长度,同样可以设计出速度均衡的低等级路线;回头曲线的使用和回旋线的省略会使方向盘峰值转速和侧向加速度增长率急剧增加,造成驾驶者操纵紧张以及乘坐不舒适;曲线型设计方法会明显改善山区低等级公路的使用质量,应多尝试使用.

关键词：低等级公路公路线形回头曲线运行车速驾驶负荷舒适性

Optical coherence tomography assessed retinal nerve fiber layer thickness in patients with Alzheimer's disease:a meta-analysis

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International Journal of Ophthalmology(English edition) 2012年第3期5卷 401-405页

作者： Xue-Fei He 1,Yi-Ting Liu 2.Cheng Peng 1,Fan Zhang 1,Shi Zhuang 1,Jin-Song Zhang 1 1Key Laboratory of Lens Research Liaoning Province,department of Ophthalmology,Eye Hospital of China Medical university,the Fourth Affiliated Hospital of China Medical university Shenyang 110005,Liaoning Province,China 2.department of Clinical Epidemiology,the First Affiliated Hospital,China Medical university,Shenyang 110001,Liaoning Province,China Key Laboratory of Lens Research Liaoning Province Department of Ophthalmology Eye Hospital of China Medical University the Fourth Affiliated Hospital of China Medical University Shenyang 110005 Liaoning Province China department of Clinical Epidemiology the First Affiliated Hospital China Medical University Shenyang 110001 Liaoning Province China

AIM:To investigate the difference of retinal nerve fiber layer(RNFL) thickness between Alzheimer's disease patients and normal people,so as to provide clue for the early diagnosis of Alzheimer's disease.· METHODS:The articles on the association of RNFL thickness and Alzheimer's disease were retrieved by searching international and national *** qualified articles were assessed by meta analysis with Stata11.0 *** results were pooled using weighted mean difference(WMD) with a corresponding 95% confidence interval(CI).· RESULTS:Totally 7 studies enrolled 32. eyes were included in the *** results of meta analysis showed that in AD patients,there was a significant average RNFL thickness reduction compared with the control group [WMD=-17.561,95%CI:(-2..971,-11.151)].There were significant differences in superior,inferior,nasal and temporal RNFL thickness between the two *** with a 95%CI were [-18.82.,95%CI:(-2..915,-11.743);P2..775,95%CI:(-34.304,-17.2.7);P 2..141,-4.613);P2..002.-1.12.);P<0.001] ***'s test and Egger's test did not show significant difference,funnel plot was basically symmetrical,indicating that there was no publication bias existed.· CONCLUSION:There are significant differences in the RNFL thickness in all quadrants between the two *** thickness is reduced in AD patients compared with the control group.·

关键词： retinal nerve fiber layer thickness optical coherence tomography Alzheimer's disease meta analysis