草鱼同工酶的组织分布及遗传结构分析

采用聚丙烯酰胺垂直板状连续电泳的方法，对草鱼（Ｃｔｅｎｏｐｏｈａｒｙｎｇｏｄｏｎｉｄｅｌｕｓ）的脑（Ｂ）、晶体（Ｅ）、心脏（Ｈ）、肾脏（Ｋ）、肝脏（Ｌ）、肌肉（Ｍ）等六种组织进行了十一种同工酶（α－ＡＭＹ，ＥＳＴ，ＧＯＴ，Ｇ３ＰＤ，Ｇ６ＰＤ，ＩＤＨ，ＬＤＨ，ＭＤＨ，ＭＥ，ＰＯＸ，ＳＯＤ）的电泳研究，并对各种酶的同工酶位点及酶谱表型进行了分析，其中α－ＡＭＹ和ＰＯＸ还未见报道。结果表明α－ＡＭＹ，ＥＳＴ，Ｇ３ＰＤ，ＬＤＨ，ＭＤＨ，ＭＥ，ＰＯＸ，ＳＯＤ存在不同程度的组织特异性，ＧＯＴ和Ｇ６ＰＤ则无明显组织差异。对草鱼的α－ＡＭＹ，Ｇ３ＰＤＹ和ＰＯＸ的遗传基础、亚基组成及ＬＤＨ特殊的酶谱表达模式等问题进行了讨论。     

INITIAL AND BOUNDARY VALUE PROBLEMS FOR NONLINEAR DEGENERATE PARABOLIC EQUATIONS

ＩＮＩＴＩＡＬＡＮＤＢＯＵＮＤＡＲＹＶＡＬＵＥＰＲＯＢＬＥＭＳＦＯＲＮＯＮＬＩＮＥＡＲＤＥＧＥＮＥＲＡＴＥＰＡＲＡＢＯＬＩＣＥＱＵＡＴＩＯＮＳＴｉａｎＭａｏｙｉｎｇ（田茂英）（ＰｅｋｉｎｇＵｎｉｖｅｒｓｉｌｙ，Ｂｅｉｊｉｎｇ１００８７１）ＬｅｔＧｂｅ...     

MAGNETIC RELAXATION AT EARLY TIMES AND FLUX DIFFUSION BARRIER V（J，B，T） FOR Ti－1223 DOPED WITH Pb AND Ba BY COMPLEX AC SUSCEPTIBILITY MEASUREMENTS

ＭＡＧＮＥＴＩＣＲＥＬＡＸＡＴＩＯＮＡＴＥＡＲＬＹＴＩＭＥＳＡＮＤＦＬＵＸＤＩＦＦＵＳＩＯＮＢＡＲＲＩＥＲＶ（Ｊ，Ｂ，Ｔ）ＦＯＲＴｉ－１２２３ＤＯＰＥＤＷＩＴＨＰｂＡＮＤＢａＢＹＣＯＭＰＬＥＸＡＣＳＵＳＣＥＰＴＩＢＩＬＩＴＹＭＥＡＳＵＲＥＭＥＮＴＳＤ...     

可溶性聚合物薄膜发光器件的电致发光

采用脱氯化氢反应合成出氯仿可溶性的ＭＥＨ－ＰＰＶ聚合物,用ＭＥＨ－ＰＰＶ作为发光材料制备了单层结构ＩＴＯ／ＭＥＨ－ＰＰＶ／Ａｌ和双层结构ＩＴＯ／ＭＥＨ－ＰＰＶ／Ａｌｑ３／Ａｌ电致发光器件,测量了器件的电致发光谱、Ｉ－Ｖ特性和Ｂ－Ｖ特性,利用能级理论分析了器件的发光特性了随器件结构的不同所具有的规律,实验表明,单层结构器件和双层结构器件的发光出现在ＭＥＨ－ＰＰＶ层,当加入Ａｌｑ３电子传输层／空穴阻挡     

PHOTOLUMINESCENCE SPECTRA OF C_(60) MOLECULES EMBEDDED IN POROUS SI

ＰＨＯＴＯＬＵＭＩＮＥＳＣＥＮＣＥＳＰＥＣＴＲＡＯＦＣ_（６０）ＭＯＬＥＣＵＬＥＳＥＭＢＥＤＤＥＤＩＮＰＯＲＯＵＳＳＩＹａｎＦｅｎｇ；ＢａｃＸｉｍａｏ；ＷｕＸｉａｏｗｅｉ；ＣｈｅｎＨｕｉｌａｎ（ＤｅｐａｒｔｍｅｎｔｏｆＰｈｙｓｉｃｓａｎｄＩｎｓｔｉｔ?..     

LEAKY LAMB WAVES IN MULTI-LAYERED FLUID-SATURATED POROUS MEDIA IMMERSED IN LIQUID

ＬＥＡＫＹＬＡＭＢＷＡＶＥＳＩＮＭＵＬＴＩ┐ＬＡＹＥＲＥＤＦＬＵＩＤ┐ＳＡＴＵＲＡＴＥＤＰＯＲＯＵＳＭＥＤＩＡＩＭＭＥＲＳＥＤＩＮＬＩＱＵＩＤＺｈｏｕＹｕｆｅｎｇ１）ＷａｎｇＹａｏｊｕｎ１）ＭａＬｉ２）ＧａｏＴｉａｎｆｕ２）（１）Ｉｎｓｔｉｔｕｔｅ...     

Effect of TPD:CuPc LB Films as Electron Blocking Layer on EL Emission

ＴＰＤ：ＣｕＰｃＬＢ薄膜作为电子阻挡层被引入到ＩＴＯ／ＴＰＤ：ＣｕＰｃ／Ａｌｇ：ＤＣＭ１／Ａｌ电致发光器件中的ＰＰＶ和Ａｌｑ：ＤＣＭ１层之间。不含任何ＴＰＤ：ＣｕＰｃ层或仅含单层ＴＰＤ：ＣｕＰｃ且在较高直流电压（≥８Ｖ）驱动下的器件,它们的发射光谱同时来自ＰＰＶ（５１３ｎｍ）和Ａｌ：ＤＣＭ１（５９１ｎｍ）。相反,当含单层ＴＰＤ：ＣｕＰｃ的器件在较低电压驱动下（＜７Ｖ）或含双层ＴＰＤ：ＣｕＰｃ的器件均具有５９１ｎｍ的发射峰值,这表明在此类器件中Ａｌ：ＤＣＭ１作为电子转移型的发光层而ＴＰＤ：ＣｕＰｃ则作为能有效地阻挡电子的电子阻挡层,因而我们可以通过调整载流子阻挡层的厚度来精确地控制载流子的复合区域从而得到不同的电致发光光谱     

现代外延生长技术

由于现代外延生长技术的不断完善，使异质结器件、量子阱与超晶格材料的生长与应用得到迅速发展．本文概述了目前半导体材料与器件研究最先进的几种外延生长技术，包括ＭＢＥ、ＭＯＣＶＤ、ＣＢＥ、ＡＬＥ和ＨＷＥ．     

乙烯利诱导黄瓜雌花分化机理初探(简报)

乙烯利诱导黄瓜雌花分化机理初探（简报）于凤鸣刘玉艳杨越冬（河北农业技术师范学院园艺系，昌黎，０６６６００）ＰＲＥＬＩＭＩＮＡＲＹＳＴＵＤＹＯＮＴＨＥＭＥＣＨＡＮＩＳＭＯＦＣＥＰＡＩＮＤＵＣＩＮＧＦＥＭＡＬＥＦＬＯＷＥＲＳＯＦＣＵＣＵＭＢＥＲＴＯＤＩＶ...     

交联改性双基推进剂（XLDB）燃烧性能的改善及机理研究

通过复合改性双基推进剂（ＣＭＤＢ）与含缩二脲型二异氰酸酯（Ｎ－１００）、四氢呋喃一环氧乙烷共聚醚（ＰＴＥ）的ＸＬＤＢ燃烧性能的对比研究，利用电子能谱（ＥＳＣＡ）、扫描电镜（ＳＥＭ）、燃烧火焰结构等仪器分析方法，探讨了ＸＬＤＢ燃速压力指数升高的原因。并通过改变催化剂或交联剂降低了该推进剂的燃速压力指数，改善了燃烧性能。     

Characterization of Ordovician carbonate reservoirs, southeastern Saskatchewan, Canada

The discovery of the prolific Ordovician Red River reservoirs in 1995 in southeastern Saskatchewan was the catalyst for extensive exploration activity which resulted in the discovery of more than 15 new Red River pools. The best yields of Red River production to date have been from dolomite reservoirs. Understanding the processes of dolomitization is, therefore, crucial for the prediction of the connectivity, spatial distribution and heterogeneity of dolomite reservoirs.The Red River reservoirs in the Midale area consist of 3～4 thin dolomitized zones, with a total thickness of about 20 m, which occur at the top of the Yeoman Formation. Two types of replacement dolomite were recognized in the Red River reservoir: dolomitized burrow infills and dolomitized host matrix. The spatial distribution of dolomite suggests that burrowing organisms played an important role in facilitating the fluid flow in the backfilled sediments. This resulted in penecontemporaneous dolomitization of burrow infills by normal seawater. The dolomite in the host matrix is interpreted as having occurred at shallow burial by evaporitic seawater during precipitation of Lake Almar anhydrite that immediately overlies the Yeoman Formation. However, the low δ18O values of dolomited burrow infills (-5.9‰～ -7.8‰, PDB) and matrix dolomites (-6.6‰～ -8.1‰, avg. -7.4‰ PDB) compared to the estimated values for the late Ordovician marine dolomite could be attributed to modification and alteration of dolomite at higher temperatures during deeper burial, which could also be responsible for its 87Sr/86Sr ratios (0.7084～0.7088) that are higher than suggested for the late Ordovician seawaters (0.7078～0.7080). The trace amounts of saddle dolomite cement in the Red River carbonates are probably related to "cannibalization" of earlier replacement dolomite during the chemical compaction.     

A computer generator for randomly layered structures

AcomputergeneratorforrandomlylayeredstructuresYUJia shun1,2,HEZhen hua2(1.TheInstituteofGeologicalandNuclearSciences,NewZealand;2.StateKeyLaboratoryofOilandGasReservoirGeologyandExploitation,ChengduUniversityofTechnology,China)Abstract:Analgorithmisintrod…     

海南岛地体及其毗邻陆缘晚中生代—新生代古地磁研究和构造演化

本文叙述了对海南岛及其毗邻大陆边缘白垩纪到第四纪地层岩石进行古地磁研究的全部工作过程。通过分析岩石中剩余磁矢量的磁偏角及磁倾角的变化,提出海南岛白垩纪以来经历的构造演化模式如下:早期伴随顺时针旋转而向南迁移,后期伴随逆时针转动并向北运移。联系该地区及邻区的地质、地球物理资料,对海南岛上述的构造地体运动提出以下认识:北部湾内早期有一拉张作用,主要是该作用使湾内地壳显著伸长减薄,形成北部湾盆地。从而导致了海南岛的早期构造运动,而海南岛后期的构造运动则主要是受南海海底扩张的影响。海南地体运动规律的阐明对于了解北部湾油气盆地的形成演化有重要的理论和实际意义。     

Exciton Seebeck in Molecular Systems

Various applications relevant to the exciton dynamics,such as the organic solar cell,the large-area organic light-emitting diodes and the thermoelectricity,are operating under temperature gradient.The potential abnormal behavior of the exicton dynamics driven by the temperature difference may affect the efficiency and performance of the corresponding devices.In the above situations,the exciton dynamics under temperature difference is mixed with     

Achieving Unusual States of Matter Under High Pressure

The elongation method,originally proposed by Imamura was further developed for many years in our group.As a method towards O(N)with high efficiency and high accuracy for any dimensional systems.This treatment designed for one-dimensional(ID)polymers is now available for three-dimensional(3D)systems,but geometry optimization is now possible only for 1D-systems.As an approach toward post-Hartree-Fock,it was also extended to     

《Chinese Science Bulletin》SUBJECT INDEX TO VOLUME 59(2014)

正~~     

An on-line scaling method for improving scalability of a database cluster

The explosive growth of the Internet and database applications has driven database to be more scalable and available, and able to support on-line scaling without interrupting service. To support more client's queries without downtime and degrading the response time, more nodes have to be scaled up while the database is running. This paper presents the overview of scalable and available database that satisfies the above characteristics. And we propose a novel on-line scaling method. Our method improves the existing on-line scaling method for fast response time and higher throughputs. Our proposed method reduces unnecessary network use, i.e. , we decrease the number of data copy by reusing the backup data. Also, our on-line scaling operation can be processed parallel by selecting adequate nodes as new node. Our performance study shows that our method results in significant reduction in data copy time.     

An improved R-tree based on childnode''s probability

R-Tree is a good structure for spatial searching. But in this indexing structure,either the sequence of nodes in the same level or sequence of traveling these nodes when queries are made is random. Since the possibility that the object appears in different MBR which have the same parents node is different, if we make the subnode who has the most possibility be traveled first, the time cost will be decreased in most of the cases. In some case, the possibility of a point belong to a rectangle will shows direct proportion with the size of the rectangle. But this conclusion is based on an assumption that the objects are symmetrically distributing in the area and this assumption is not always coming into existence. Now we found a more direct parameter to scale the possibility and made a little change on the structure of R-tree, to increase the possibility of founding the satisfying answer in the front sub trees. We names this structure probability based arranged R-tree (PBAR-tree).     

Integrating GIS Web services based on mediating architecture

The geographic information service is enabled by the advancements in general Web service technology and the focused efforts of the OGC in defining XML-based Web GIS service. Based on these models, this paper addresses the issue of services chaining,the process of combining or pipelining results from several interoperable GIS Web Services to create a customized solution. This paper presents a mediated chaining architecture in which a specific service takes responsibility for performing the process that describes a service chain. We designed the Spatial Information Process Language (SIPL) for dynamic modeling and describing the service chain, also a prototype of the Spatial Information Process Execution Engine (SIPEE) is implemented for executing processes written in SIPL. Discussion of measures to improve the functionality and performance of such system will be included.     

Tracking data management using topology of moving object database system for moving object constrained trajectory in LBS application

Advances in wireless technologies and positioning technologies and spread of wireless devices, an interest in LBS (Location Based Service) is arising. To provide location based service, tracking data should have been stored in moving object database management system (called MODBMS) with proper policies and managed efficiently. So the methods which acquire the location information at regular time intervals then, store and manage have been studied. In this paper, we suggest tracking data management techniques using topology that is corresponding to the moving path of moving object. In our techniques, we update the MODBMS when moving object arrived at a street intersection or a curved road which is represented as the node in topology and predict the location at past and future with attribute of topology and linear function. In this technique, location data that are corresponding to the node in topology are stored, thus reduce the number of update and amount of data. Also in case predicting the location,because topology are used as well as existing location information, accuracy for prediction is increased than applying linear function or spline function.