珍珠花丛生芽的诱导及生根条件的研究

诱导珍珠花（Ｓｔａｐｈｙｌｅａ ｂｕｍａｌｄａ ＤＣ）丛生芽的最佳培养基为ＭＳ基本培养基附加ＮＡＡ０．２ｍｇ．Ｌ＾－１和ＢＡ５ＭＧ．ｌ＾－１,无菌苗在１／２ＭＳ培养基中附加ＮＡＡ１ｍｇ．Ｌ＾－１、活性碳０．４５ｇ．Ｌ＾－１、硫胺素１ｍｇ．Ｌ＾－１、蔗糖２０ｇ．Ｌ＾－１能长根形成完整植株。     

^27AlNMR法研究PACS水中稀释形态分布

用＾２７ＡｌＮＭＲ方法研究了碱化度（Ｂ），Ａｌ＾３＋／ＳＯ＾２－４摩尔比及水中稀释过程对ＰＡＣＳ（含ＳＯ＾２－４的聚合氯化铝）结构的影响，实验结果表明，ＰＡＣＳ中铝含量大于０．９ｍｏｌ／Ｌ时，水中稀释ＰＡＣＳ聚合度影响较大，小于０．９ｍｏｌ／Ｌ后水中稀释对ＰＡＣＳ聚合度影响较小，水中稀释可使聚合大分子向Ａｌ１３结构转化，这种转化能力的大小取决于ＰＡＣＳ中Ｂ的高低和Ａｌ＾３＋／ＳＯ＾２－４摩尔比的大     

TS—1沸石合成过程中模板剂用量对钛进入骨架的影响

以ＴＰＡＢｒ为模板剂、ＮＨ３．Ｈ２Ｏ为碱源，水热条件下合成了ＴＳ－１沸石，采用ＸＲＤ、ＩＲ、ＵＶ－Ｖｉｓ、＾２９ＳｉＣＰＭＡＳＮＭＲ、＾２７ＡｌＣＭＡＳＮＭＲ、＾１３ＣＣＰＭＡＳＮＭＲ等表征手段详细研究了模板剂不同用量对钛进入骨架的影响。     

S^A的矩阵范数的一些性质

设Ａ是ｄ＊ｄ阶实矩阵,ｓ〉０,ｔ∈Ｒ。利用矩阵Ａ的特征值,给出了矩阵Ｓ＾Ａ和ｅ＾ｔＡ的一些范数不等式及范数极限等式,并且给出了矩阵Ｓ＾Ａ和ｅ＾ｔＡ对应的行列式值与矩阵Ａ的特征值的关系。     

大豆（G.max）胰蛋白酶抑制剂SBTi—A2新类型Ti^x的纯化及其…

用丙酮脱脂、稀酸处理、硫酸铵盐析和ＤＥＡＥ－５２纤维素柱层析等方法从大豆中分离纯化得一种新类型胰蛋白酶抑制剂Ｔｉ．ＳＤＳ－ＰＡＧＥ分析显示Ｔｉ＾ｘ．ＳＤＳ－ＰＡＧＥ分析显示Ｔｉ＾ｘ与已知的大豆蛋白酶抑制剂Ｔｉ＾ａ的相分对分子质量均为２１０００，且Ｎ－末端均为Ａｓｐ；亲和电泳分析显示Ｔｉ＾ｘ与Ｔｉ＾ａ；两者经ＣＮＢｒ裂解后电泳分析得到相同带型；纯化样品的氨基酸组成分析显示Ｔｉ＾ｘ比Ｔｉ＾ａ多了两个碱     

Si^＋／As^＋双离子注入SI—GaAs对注入层电激活均匀性改？…

研究了单（Ｓｉ＾＋）双（Ｓｉ＾＋／Ａｓ＾＋）离子注入半绝缘砷化镓电激活的均匀性,结果表明,ＬＥＣＳｉ－ＧａＡｓ衬底中深电子陷阱能级均匀性分布好坏,对注入层电激活性有一定影响,当ＳＩ－ＧａＡｓ中碳含量小于５＊１０＾１５ｃｍ＾－３时,对注入层电激活影响不大,采用多重能量Ｓｉ＾＋注入,可改善栽流子纵向分布的均匀性,采用Ｓｉ＾＋／Ａｓ＾＋双离子注入可改善ＬＥＣ ＳＩ－ＧａＡｓ衬底中ＥＬ２横向不均匀分布对电     

互花米草生态工程能值分析

应用能值分析的方法,分别对江苏省射阳河口的３种治理方案（海滨潮间带盐沼湿地（方案Ａ）、互花米草湿地（方案Ｂ）和互花米草生态工程（方案Ｃ）进行能值计算和评价。计算结果为能值投入Ａ：２．８４Ｅ＋１２Ｓｅｊ＾－１ｍ＾－２;Ｂ：３．６７Ｅ＋１１Ｓｅｊ＾－１ｍ＾－２;Ｃ：８．９４Ｅ＋１１Ｓｅｊ＾－１ｍ＾－２;能值产出Ａ：５．７８Ｅ＋０９Ｓｅｊ＾－１ｍ＾－２ｍ;Ｂ：３．４４Ｅ＋１１Ｓｅｊ＾－１ｍ＾－２;Ｃ：３     

关于半群分次环

设Ｈ是有单位元ｅ的半群,Ｇ是Ｈ的最大子群,Ｊ＾ｇ（Ａ）和Ｊ＾ｇ（Ｓ）分别是Ａ和Ｓ的分次Ｊ－根,证明了Ｊ＾ｇ（Ａ）＝Ｊ＾ｇ（Ｓ）讨论了左自内射性与半群环ＢＨ的分次左自内射性之间的关系。     

SiC2分子电子光谱的ab initio研究

在ＭＲＳＤＣＩ／ＤＺ＋Ｐ水平上，计算了ＳｉＣ２分子７个电子态Ｘ＾１Ａ１，＾３Ｂ２，＾１Ｂ２，＾３Ｂ１，＾１Ｂ１，＾３Ａ２和１＾Ａ２的平衡构型和激发能。所得Ｘ＾１Ａ２和＾１Ｂ２态的平衡构型以及Ｘ＾１Ａ２→＾１Ｂ２的激发能和实验值符合很好。     

重芳烃石油磺酸盐与M^2＋和地层砂的沉积与吸附

利用分光光度法和容量法分别考察 芳烃石油磺酸盐与Ｃａ＾２＋、Ｍｇ＾２＋的沉积规律有在地层砂上的吸附规律。实验表明：当固定Ｃａ＾２＋、Ｍｇ＾２＋混合液浓度改变ＨＡＰＳ浓度时,ＨＡＰＳ与Ｃａ＾２＋、Ｍｇ＾２＋的作用呈现出沉淀溶解,再沉淀的普遍规律,且沉淀量随着ＨＡＰＳ和Ｃａ＾２＋、Ｍｇ＾２＋混合液浓度的增加而增加;ＨＡＰＳ在地层砂上的吸附等温线呈“Ｓ”型,表现出多层吸附的特征。     

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.     

Features of Women's language

Language is a means of verbal communication. People use language to communicate with each other. In the society, no two speakers are exactly alike in the way of speaking. Some differences are due to age, gender, statue and personality. Above all, gender is one of the obvious reasons. The writer of this paper tries to describe the features of women＇s language from these perspectives： pronunciation, intonation, diction, subjects, grammar and discourse. From the discussion of the features of women＇s language, more attention should be paid to language use in social context. What＇s more, the linguistic phenomena in a speaking community can be understood more thoroughly.     

An Analysis of Catherine＇s Character——Wuthering Heights

Wuthering Heights, Emily Bronte＇s only novel, was published in December of 1847 under the pseudonym Ellis Bell. The book did not gain immediate success, but it is now thought one of the finest novels in the English language. Catherine is the key character of this masterpiece, because everybody and everything center on her though she had a short life. We can understand this masterpiece better if we know Catherine well.     

Lower Paleozoic oil relationships within Williston Basin, Canada

The Williston Basin is a significant petroleum province, containing oil production zones that include the Middle Cambrian to Lower Ordovician, Upper Ordovician, Middle Devonian, Upper Devonian and Mississippian and within the Jurassic and Cretaceous. The oils of the Williston Basin exhibit a wide range of geochemical characteristics defined as "oil families", although the geochemical signature of the Cambrian Deadwood Formation and Lower Ordovician Winnipeg reservoired oils does not match any "oil family". Despite their close stratigraphic proximity, it is evident that the oils of the Lower Palaeozoic within the Williston Basin are distinct. This suggests the presence of a new "oil family" within the Williston Basin. Diagnostic geochemical signatures occur in the gasoline range chromatograms, within saturate fraction gas chromatograms and biomarker fingerprints. However, some of the established criteria and cross-plots that are currently used to segregate oils into distinct genetic families within the basin do not always meet with success, particularly when applied to the Lower Palaeozoic oils of the Deadwood and Winnipeg Formation.     

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.     

Design and analysis of generic LBS application developing platform

Location based services is promising due to its novel working style and contents.A software platform is proposed to provide application programs of typical location based services and support new applications developing efficiently. The analysis shows that this scheme is easy implemented, low cost and adapt to all kinds of mobile nework system.     

Achieving Unusual States of Matter Under High Pressure

正The periodicity of the elements and the non-reactivity of the inner-shell electrons are two related principles of chemistry,rooted in the atomic shell structure.Within compounds,Group I elements,for example,invariably assume the+1 oxidation state,and their chemical properties differ completely from those of the p-block elements.These general rules govern our understanding of chemical structures and reactions.Using first principles calcula-     

Exchange-Correlation and Electronic Excitation Energies from Pairing Matrix Fluctuations

We have developed an adiabatic connection to formulate the ground-state exchange-correlation energy in terms of pairing matrix linear fluctuations.This formulation of the exchange-correlation energy opens a new channel for density functional approximations based on the many-body perturbation theory.We illustrate the potential of such approaches with an approximation based on the particle-particle Random Phase Approximation(pp-RPA).This re-     

Density Functional Theory for the Response of Periodic Systems to Electric Fields Based on the Vector Potential Approach

正The electronic and nuclear(structural/vibrational)response of 1D-3D nanoscale systems to electric fields gives rise to a host of optical,mechanical,spectral,etc.properties that are of high theoretical and applied interest.Due to the computational difficulty of treating such large systems it is convenient to model them as infinite and periodic(at least,in first approximation).The fundamental theoretical/computational problem in doing so is that