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A NOTE ON UNCERTAINTY PRINCIPLE

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analysis in Theory and Applications 1995年第1期11卷 6-9页

作者： Quande Chen and Qiyu Sun(hangzhou University, china and {2. University, china) 1. Department of Mathematics Hangzhou University 310028 Hangzhou Zhejiang PRC2. Center for Mathematical Sciences Zhejiang University 310027 Hangzhou Zhejiang PRC

weighted form of uncertainty principle is proved.

关键词： A NOTE ON UNCERTAINTY PRINCIPLE II real

Multi-level decollement zones and detachment deformation of Longmenshan thrust belt,Sichuan Basin,southwest china

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Science china Earth Sciences 2008年第S2期51卷 32-43页

作者： TANG LiangJie1,2.3,YANG KeMing4,JIN WenZheng1,2.3,L ZhiZhou4 & YU YiXin1,2.3 1 State Key Laboratory of Petroleum Resource and Prospecting,china University of Petroleum,Beijing 102.49,china 2.Key Laboratory for Hydrocarbon Accumulation Mechanism,china University of Petroleum,Ministry of Education,Beijing 102.49,china 3 Basin and Reservoir Research center,china University of Petroleum,Beijing 102.49,china 4 Southwest Division Company,SINOPEC,Chengdu 610081,china 1. State Key Laboratory of Petroleum Resource and Prospecting China University of Petroleum Beijing 102249 China 2. Key Laboratory for Hydrocarbon Accumulation Mechanism China University of Petroleum Ministry of Education Beijing 102249 China 3. Basin and Reservoir Research center China University of Petroleum Beijing 102249 China 4. Southwest Division Company SINOPEC Chengdu 610081 China

As is well known that many decollement layers were developed in the Longmenshan thrust belt,Si-chuan Basin,china. Through field investigation,explanation of seismic profiles and analysis of the balanced sections,we can divide the decollement zones into 3 categories: (1) the deep level decolle-ment zones,including the crust-mantle decollement layer,intracrustal decollement layer,and presinian basal decollement layer. The main structural styles of their deformation are the crust-mantle decoup-ling detachment deformation,the basal ductile shear deformation,etc.; (2. the middle level decollement zones,including the Cambrian-Ordovician decollement layer,the Silurian decollement layer,etc.,the main structural styles of their deformation are the isopachous fold,the angular fold,the saddle struc-ture,and the combination styles of them; and (3) the shallow level decollement zones,including the Xujiahe Formation decollement layer of Upper Triassic and the Jurassic decollement layers,the main structural styles of their deformation are the thrust-nappe tectonic,the pop-up,the triangle zone ,the duplex,etc. Multi-level decollement zones not only made the Longmenshan thrust belt develop many different deformation styles from deep place to shallow place,but also made some local areas have the superimposition of the tectonic deformation apparently. This study indicates that the multi-level de-collement zones have a very important effect on the shaping and evolution of the Longmenshan thrust belt.

关键词： decollement layer structural styles multi-level decollement zones Longmenshan thrust belt

Association between ICU quality and in-hospital mortality of V-V ECMO-supported patients—the ECMO quality improvement action(EQIA)study:a national cohort study in china from 2.17 to 2.19

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Frontiers of Medicine 2024年第2期18卷 315-326页

作者： Wei Cheng Jieqing Chen Xudong Ma Jialu Sun Sifa Gao Ye Wang Longxiang Su Lu Wang Wei Du Huaiwu He Yujie Chen Zunzhu Li Qi Li Jianhua Sun Hongbo Luo Jinbang Liu Guangliang Shan Bing Du Yanhong Guo Dawei Liu Chang Yin Xiang Zhou on behalf of the china National Critical Care Quality Control center-the ECMO quality improvement action(EQIA)study Department of Critical Care Medicine State Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijing100730China Information center Department/Department of Information Management State Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalPeking Union Medical College&Chinese Academy of Medical SciencesBeijing100730China Department of Medical Administration National Health Commission of the People’s Republic of ChinaBeijing100044China School of Population Medicine and Public Health Chinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing100730China Department of Epidemiology and Biostatistics Institute of Basic Medicine SciencesChinese Academy of Medical Sciences(CAMS)&School of Basic MedicinePeking Union Medical CollegeBeijing100730China National Institute of Hospital Administration National Health Commission of the People’s Republic of ChinaBeijing100044China 不详

This cohort study was performed to explore the influence of intensive care unit(ICU)quality on in-hospital mortality of veno-venous(V-V)extracorporeal membrane oxygenation(ECMO)-supported patients in *** study involved all V-V ECMO-supported patients in 318 of 1700 tertiary hospitals from 2.17 to 2.19,using data from the National Clinical Improvement System and china National Critical Care Quality Control *** quality was assessed by quality control indicators and capacity *** the 2.63 V-V ECMO-supported patients in 318 hospitals,a significant correlation was found between ECMO-related complications and *** reintubation rate within 48 hours after extubation and the total ICU mortality rate were independent risk factors for higher in-hospital mortality of V-V ECMO-supported patients(cutoff:1.5%and 7.0%;95%confidence interval:1.05–1.48 and 1.04–1.45;odds ratios:1.2. and 1.2.;P=0.012.and P=0.015,respectively).Meanwhile,the V-V ECMO center volume was a protective factor(cutoff of≥50 cases within the 3-year study period;95%confidence interval:0.57–0.83,odds ratio:0.69,P=0.0001).The subgroup {2. of 864 patients in 11 high-volume centers further strengthened these ***,ICU quality may play an important role in improving the prognosis of V-V ECMO-supported patients.

关键词： veno-venous extracorporeal membrane oxygenation in-hospital mortality high-volume centers quality control intensive care unit capacity parameters

An investigation of chemically deposited Ni-P alloys by EXAFS and XRD

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Chinese Journal of Chemistry 1990年第3期8卷 239-245页

作者： MA,Li-Dun LU,Gang SHEN,Xiao-Liang center for analysis and {2.,Fudan University,Shanghai 2.0433 center for analysis and {2. Fudan University Shanghai 200433

Five samples of chemically desposited Ni-P amorphous alloys were prepared and inves- *** these amorphous alloys there are Ni-P atom groups in which phosphorus and nickel are connected with strong *** atoms and Ni-P groups are deposited in a random manner on the surface of matrix and a quasilayer structure is *** spacing between two layers in alloys resembles that in(111)plane in the nickel *** there is a peak at the same position of 2.=44.4° as that of the(111)reflection of crystalline nickel in the X-ray powder diffraction pat- tern of ***,the dimension of Ni-P groups is different from that of a nickel atom and the atomic arrangement in the layer is in *** result in the space change and there is a distribution of spacing around the *** a consequence of distribution of spacings,the peak at 2.=44.4° is broadened and enhanced as the amount of P increases.

关键词： EXAFS An investigation of chemically deposited Ni-P alloys by EXAFS and XRD Ni

Direct numerical simulation of a supersonic turbulent boundary layer on a flat plate and its analysis

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Science china(Physics,Mechanics & Astronomy) 2005年第5期48卷 626-640页

作者： HUANG Zhangfeng1, ZHOU Heng1,2.& LUO Jisheng1,2.1. Department of Mechanics, Tianjin University, Tianjin 300072. china 2. Liu-Hui center of Applied Mathematics, Nankai University and Tianjin University, Tianjin 300072. china 1. Department of Mechanics Tianjin University 300072 Tianjin China 2. Liu-Hui center of Applied Mathematics Nankai University and Tianjin University 300072 Tianjin China

Temporal mode direct numerical simulation (DNS) has been done for a supersonic turbulent boundary layer on a flat plate with Mach number 4.5. It was found that the mean flow profile, the normal-wise distribution of turbulent Mach number and the root mean square (RMS) of the fluctuations of various variables, as well as the Reynolds stresses, bore similarity in nature, when the turbulence reached a fully developed state. But the compressibility effect was strong and must be considered. The strong Reynolds analogy (SRA) and the Morkovin hypothesis were no longer valid. From the end of transition to the fully developed state of turbulence, it was in the transient period, for which the similarity did not hold.

关键词： turbulence, similarity, compressibility effect, supersonic boundary layer, direct numerical simulation.

Risk analysis model for landslide mass of high slope in dam area

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Science china(Technological Sciences) 2008年第S2期51卷 25-31页

作者： GU ChongShi1,2.HE XianFeng3,4,WU ZhongRu1,2.& SU HuaiZhi1,2.1 College of Water Conservancy and Hydropower Engineering,Hohai University,Nanjing 2.0098,china 2.National Engineering Research center of Water Resources Efficient Utilization and Engineering Safety,Nanjing 2.0098,china 3 Yellow River Institute of Hydraulic Research,Zhengzhou 450003,china 4 Embankment Security Defect Prevention and Control Engineering Research center of MWR,Zhengzhou 450003,china 1. College of Water Conservancy and Hydropower Engineering Hohai University Nanjing 210098 China 2. National Engineering Research center of Water Resources Efficient Utilization and Engineering Safety Nanjing 210098 China 3. Yellow River Institute of Hydraulic Research Zhengzhou 450003 China 4. Embankment Security Defect Prevention and Control Engineering Research center of MWR Zhengzhou 450003 China

In order to identify the threat of reservoir bank landslide to dam safety and reduce the risk of dam failure,impact factors of the landslide are *** concept of landslide risk degree is put forward to measure the threat of landslide to dam *** monotony of the landslide risk assessment function which changes with different affecting factors is analyzed *** on gene automatic programming,a data mining model of the landslide risk assessment function is constructed combined with impact factors of reservoir bank landslide on dam *** the assessment function of landslide risk has been excavated and established according to practical project information,which provides a valuable reference for analyzing the impact of landslide on dam risk.

关键词： landslide dam failure risk landslide risk

NUMERICAL SIMULATION METHODS AND THEIR APPLICATION IN MATERIAL HOT-WORKING

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Acta Metallurgica Sinica(English Letters) 2000年第2期13卷 494-501页

作者： J. T. Niu, H. T. Li, X. D. Meng and P. Karjaleinen 1) analysis and measurement {2., Harbin Institute of Technology, Harbin 150001, china 2. Department of Mechanocal Engineering, The University of Oulu, Finland

With the development of modern science and technology, especially computer science, the numerical simulation method has been widely used in material hot-working. Mary achievements have been made in this field by using the numerical simulation method. The numerical simulation method, especially finite element method fully described in this *** of the numerical simulation method in material hot-working are also discussed. Finally, the future of the numerical simulation method is outlined.

关键词： numerical simulation material hot-working

Estimating surface evapotranspiration using combined MODIS and CBERS-02.data

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Science china(Technological Sciences) 2005年第S2期48卷 145-160页

作者： XIN Xiaozhou1,2. LIU Qinhuo1, TANG Yong1,3, TIAN Guoliang1, GU Xingfa1, LI Xiaowen1,2. ZHENG Hongsheng4 & CHEN Jiayi4 1. State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing Applications, Chinese Academy of Sciences, Beijing 100101, china 2. Research center for Remote Sensing and GIS, Department of Geography, Beijing Normal University, Beijing 100875, china 3. Graduate University of Chinese Academy of Sciences, Beijing 100039, china 4. Department of Atmospheric Physics, Peking University, Beijing 100871, china 1. State Key Laboratory of Remote Sensing Science Institute of Remote Sensing Applications Chinese Academy of Sciences 100101 Beijing China2. Research Center for Remote Sensing and GIS Department of Geography Beijing Normal University 100875 Beijing China3. Graduate University of Chinese Academy of Sciences 100039 Beijing China4. Department of Atmospheric Physics Peking University 100871 Beijing China

Spatial scale error is one of the most serious problems in the estimates of land surface heat fluxes of sensible and latent from satellite-borne data such as MODIS 1km resolution reflectance and emissive data. One of the feasible and economic ways to decrease the spatial scale error is to use high resolution land use class data together with the MODIS data. CBERS-02.data were used to produce land use class of Baiyangdian area, Hebei Province, china in the autumn of 2.04. The area ratio of each class in MODIS pixel was calculated, and used to derive the heat fluxes of the mixed pixel. The results showed that the estimated heat fluxes of soil, sensible and latent have been changed remarkably after using the high resolution land class data. It could be concluded from the comparison between simulated and ground-measured fluxes as well as the theoretical analysis that high resolution land class data are useful to diminishing the scale error of heat fluxes estimated from low resolution satellite data.

关键词： surface evapotranspiration spatial scale error MODIS CBERS land class.

INFLUENCE　OF　ALLOYING　ELEMENTS（Nb，Mo，V）　ON　MICROSTRUCTURE　OF　Ti_3Al　BASE　ALLOYS

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Acta Metallurgica Sinica(English Letters) 1996年第2期9卷 85-88页

作者： SONG Dan DING Jinjun WANG Yandong(analysis and Testing center,Northeastern University,Shenyang 110006,{2.) Northeastern Univ Shenyang China

The microstructures of Ti-14Al-2.Nb and Ti-14Al-2.Nb-2.o-3.2.(wt%) alloys have been investikated by transmission electron microscopy(TEM).The phase constitution and the orientation relationship between α2.nd βwere identified by means of the selected area diffraction and the micro-diffraction *** show that,compared to Ti-14Al-2.Nb,the alloying elements Mo and V can greatly increase the fraction of β phase and improve significantly the microstructures of *** ordered B2.structure is also evident in the residual βgrains of the latter alloy.

关键词： microstructure alloying element Ti_3Al base alloy TEM