2,4,7-三硝基-9-芴酮阴极特性研究

研究了以１ｍｏｌ．Ｌ＾－１ＬｉＣｌＯ４／ＰＣ＋ＤＭＥ（１：１）为电解液的ＴＮＦ／Ｌｉ电池的性能和放电机理。电池以０．５ｍＡ．ｃｍ＾－２放电时比容量为８４７．６Ａｈ．ｋｇ＾－１,比能量为６．７＊１０＾６Ｊ．ｋｇ＾－１。该电池存在自放电现象,开状下放置一个月后,容量损失掉３６．２％。     

表面多孔涂层管强化传热技术研究

设计了以烧结法制备铜表面多孔层的工艺过程，并以丙酮作为介质，测试了所制备的多孔表面强化管的传热性能．结果表明，表面多孔管显著地强化了沸腾给热．以０．０７４～０．０４６ｍｍ紫铜粉和Ｒ粉的复合粉烧结多孔管为例，当热通量为２．００×１０４～６．８５×１０４ｋＪ／（ｍ２·ｈ），沸腾给热系数可达２．２３×１０４～５．２８×１０４ｋＪ／（ｍ２·ｈ·℃），比普通光滑管提高８～２４倍；总传热系数可达３８００～６２３６ｋＪ／（ｍ２·ｈ·℃），比普通光滑管提高０．７～６倍     

陕南水镁石纤维（FB）的物理性质研究

水镁石纤维是天然产出的、罕见的高镁实心纤维。其抗拉强度为９５×９．８１×１０￣６Ｐａ，弹性模量为１．５～２．０×９．８×１０￣９ｐａ，显微硬度为７０～２４０，密度为２．４４～２．４８ｇ／ｃｍ￣３。电阻率为３×１０￣５Ω．ｍ～６．１×１０￣７Ω．ｍ，介电常数为４．７～７．２，磁化系数为１１．５～１５．５ｃｍ￣３／ｇ。耐热区间为４５０～４８０℃，导热系数为０．１３１ｗ／ｍ·ｋ，热膨胀系数为５．７～８．８×１０￣（－７）ｍ／℃，热容为１．２６Ｉ／ｇ，热解焓为１９．６ＫＪ／ｍｏｌ。Ｎｅ＝１．５７５～１．５７７，Ｎｏ＝１．５５２～１．５５６，白度７３．５％。本文还讨论了上述物理性质的各种变化、影响因素及其应用。     

非循环Zn－Br电池的性能参数及分析

本电池为水平放置，溴极位于电池底部，锌极与之平行位于上部。以１．５Ａ／ｄｍ２或５．２Ａ电流充电１２小时并以同样电流放电至零伏，电池的库仑效率、能量效率、容量及比能量分别为８２％、５６％、７２Ｗ·ｈ。４２Ｗ·ｈ／ｋｇ或５４Ｗ·ｈ／Ｌ．     

DApBM-V(Ⅴ)-Mn(Ⅱ)-Tween-80体系光度法测定钒(V)

在磷酸介质中，在Ｍｎ（Ⅱ）和Ｔｗｅｎ－８０存在下，ＤＡｐＢＭ与钒（Ⅴ）生成橙黄色化合物，产物至少可稳定３．５ｈ．最大吸收波长为４８５ｎｍ．摩尔吸光系数ε＝４．０１×１０５Ｌ·ｍｏｌ－１·ｃｍ－１和ε＝１．５７×１０５Ｌ·ｍｏｌ－１·ｃｍ－１．钒（Ⅴ）量在０．５～３．０μｇ／２５ｍｌ及３．０～１０．０μｇ／２５ｍｌ间符合比尔定律．该体系灵敏度高，选择性较好，用于中草药中痕量钒（Ⅴ）的测定，结果满意     

有机硅膜对醇—水混合物的渗透汽化分离

在硅橡胶中加入交联剂，制备成有机硅膜．该膜对醇－水混合物具有良好的分离性能，实验表明：交联剂的用量，交联方式均对膜性能有很大的影响，膜内支撑材料和料液浓度对膜的渗透性能也有影响，ＨＶ法和ＲＴＶ法制得的透醇膜对酒精的选择因子分别约为７和５，其通量分别约为１５×１０－３ｋｇ／（ｍ２·ｈ）和４０×１０－３ｋｇ／（ｍ２·ｈ）．     

用铁－5－磺基水杨酸树脂相分光光度法测定地下水等样品中的微量铁

研究了Ｆｅ（Ⅲ）与５－磺基水杨酸反应生成的有色配合物定量吸附于树脂上的实验条件．试验表明、反应在ＰＨ９．００～１１．００的氨性介质中显色，与树脂混合搅拌３０ｍｉｎ，吸附达平衡．树脂相配合物的最大吸收波长位于４３０ｎｍ处；表观摩尔吸光系数为８．７×１０４Ｌ·ｍｏｌ－１·ｃｍ－１，比水相灵敏度（ε＝５．８×１０３Ｌ·ｍｏｌ－１·ｃｍ－１）提高１５倍．铁含量在０～１．１２ｍｇ·Ｌ－１范围内符合比耳定律．用此方法测定地下水、盐酸试剂样品中的微量铁含量，结果令人满意．     

丁基罗丹明B—钨酸钠—PVA高灵敏光度法测定痕量钯的研究

研究了在聚乙烯醇（ＰＶＡ）存在下,钯与钨酸钠和丁基罗丹明Ｂ（ＢＲＢ）反应形成的有色离子缔合物用于痕量钯的光度法测定．最佳条件为：［Ｈ２ＳＯ４］＝１．２ｍｏｌ·Ｌ－１,［ＷＯ２－４］＝９．１×１０－５ｍｏｌ·Ｌ－１,［ＢＲＢ］＝３．０×１０－５ｍｏｌ·Ｌ－１．缔合物的最大吸收位于５７５ｎｍ处,表观摩尔吸光系数ε＝７．９８×１０７Ｌ·ｍｏｌ－１·ｃｍ－１．钯量在０～１０ｎｇ／２５ｍｌ范围内服从比尔定律．体系至少稳定１４０ｈ,检测限（３σ）０．０４８μｇ·Ｌ－１（ｎ＝１０）,对０．４０μｇ·Ｌ－１Ｐｄ（Ⅱ）测定的相对标准偏差为３．３９％（ｎ＝１１）．缔合物的摩尔比为Ｐｄ∶ＢＲＢ＝１∶４．考察了５０多种共存离子的影响．本法已用于炭基和铝基钯催化剂中微量钯的测定,结果满意     

新试剂5-(3-羧基苯偶氮)-8-氨基喹啉光度法测定铜的研究

合成了新试剂５－（３－羧基苯偶氮）－８－氨基喹啉（ｍ－ＣＰＡＱ）．Ｃｕ（Ⅱ）与ｍ－ＣＰＡＱ反应生成稳定的紫红色１∶３络合物．λｍａｘ为５４４ｎｍ，摩尔吸光系数ε为７．３×１０４Ｌ·ｍｏｌ－１·ｃｍ－１．铜量在０～１６μｇ／２５ｍｌ范围内符合比尔定律．方法有高的灵敏度和选择性，用于实际样品分析结果满意．     

锌试剂显色树脂相分光光度法测定微量铜（Ⅱ）

用锌试剂显色在ｐＨ５．０～９．５条件下，铜（Ⅱ）与锌试剂生成绿色配合物与７１７型强碱性阴树脂交换吸附，进行树脂相分光光度法测定微量铜（Ⅱ），λｍａｘ为６４０ｕｍ，铜（Ⅱ）在０～０．５ｍｇ／ｌ范围符合Ｂｅｅｒ定律，表观摩尔吸光系数ε为２．１６×１０５ｌ·ｍｏｌ－１·ｃｍ－１，比水相（ε＝１．９×１０４ｌ·ｍｏｌ－１·ｃｍ－１）提高１１倍．用此法测定天然水中铜（Ⅱ）和钢样中微量铜（Ⅱ）得到满意结果．     

Markedness and its Interpretation in Language Use

Language markedness is a common phenomenon in languages, and is reflected from hearing, vision and sense, i.e. the variation in the three aspects such as phonology, morphology and semantics. This paper focuses on the interpretation of markedness in language use following the three perspectives, i.e. pragmatic interpretation, psychological interpretation and cognitive interpretation, with an aim to define the function of markedness.     

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…     

低渗透非均质砂岩油藏启动压力梯度研究

理论推导与室内实验相结合,建立了低渗透非均质砂岩油藏启动压力梯度确定方法。首先借助油藏流场与电场相似的原理,推导了非均质砂岩油藏启动压力梯度计算公式。其次基于稳定流实验方法,建立了非均质砂岩油藏启动压力梯度测试方法。结果表明:低渗透非均质砂岩油藏的启动压力梯度确定遵循两个等效原则。平面非均质油藏的启动压力梯度等于各级渗透率段的启动压力梯度关于长度的加权平均;纵向非均质油藏的启动压力梯度等于各渗透率层的启动压力梯度关于渗透率与渗流面积乘积的加权平均。研究成果可用于有效指导低渗透非均质砂岩油藏的合理井距确定,促进该类油藏的高效开发。     

On Tragic Consciousness In The Works By Ernest Hemingway

As an American modern novelist who were famous in the literary world, Hemingway was not a person who always followed the trend but a sharp observer. At the same time, he was a tragedy maestro, he paid great attention on existence, fate and end-result. The dramatis personae's tragedy of his works was an extreme limit by all means tragedy on the meaning of fearless challenge that failed. The beauty of tragedy was not produced on the destruction of life, but now this kind of value was in the impact activity. They performed for the reader about the tragedy on challenging for the limit and the death.     

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。     

An Index mechanism for multi-scale view in spatial databases

There are numerous geometric objects stored in the spatial databases. An importance function in a spatial database is that users can browse the geometric objects as a map efficiently. Thus the spatial database should display the geometric objects users concern about swiftly onto the display window. This process includes two operations:retrieve data from database and then draw them onto screen. Accordingly, to improve the efficiency, we should try to reduce time of both retrieving object and displaying them. The former can be achieved with the aid of spatial index such as R-tree, the latter require to simplify the objects. Simplification means that objects are shown with sufficient but not with unnecessary detail which depend on the scale of browse. So the major problem is how to retrieve data at different detail level efficiently. This paper introduces the implementation of a multi-scale index in the spatial database SISP (Spatial Information Shared Platform) which is generalized from R-tree. The difference between the generalization and the R-tree lies on two facets: One is that every node and geometric object in the generalization is assigned with a importance value which denote the importance of them, and every vertex in the objects are assigned with a importance value,too. The importance value can be use to decide which data should be retrieve from disk in a query. The other difference is that geometric objects in the generalization are divided into one or more sub-blocks, and vertexes are total ordered by their importance value. With the help of the generalized R-tree, one can easily retrieve data at different detail levels.Some experiments are performed on real-life data to evaluate the performance of solutions that separately use normal spatial index and multi-scale spatial index. The results show that the solution using multi-scale index in SISP is satisfying.     

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

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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     

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