作为同态与反同态的广义( θ,θ) - 导子的研究

R是2-扭自由素环,I是R上的非零理想,θ是R上的自同构,F是R上的与(θ,θ)-导子d有关的非零广义(θ,θ)-导子,有F(xy)=F(x)F(y)或F(xy)=F(y)F(x),对所有的x,y属于I且d≠0,则R是可交换的.     

Resonance luminescence spectra of selenium （Ⅳ）－iodide－rhodamie B system and its analytical application

Ｒｅｓｏｎａｎｃｅｌｕｍｉｎｅｓｃｅｎｃｅｓｐｅｃｔｒａｏｆｓｅｌｅｎｉｕｍ（Ⅳ）－ｉｏｄｉｄｅ－ｒｈｏｄａｍｉｅＢｓｙｓｔｅｍａｎｄｉｔｓ　ａｎａｌｙｔｉｃａｌａｐｐｌｉｃａｔｉｏｎ￥ＬｉｕＳｈａｏｐｕ；ＬｉｕＺｈｏｎｇｆａｎｇ；ＬｉＭｉｎｇ（Ｓｃ...     

Mossbauer Spectra of Valleriite from China

在墨铜矿的结构中，Ｆｅ离子可占据硫化物层中四面体和氢氧化物层的八面体两种配位位置。穆斯堡尔谱结果表明：高自旋的Ｆｅ２＋占据四次配位位置，同质异能位移为０．４２～０．４８ｍｍｓ－１、四极分裂为０．８１～１．２８ｍｍｓ－１；低自旋的Ｆｅ３＋占据六次配位位置，同质异能位移为０．３２～０．３６     

Banach空间中非线性刚性DDEs θ-方法的数值稳定性

讨论Banach空间中非线性刚性变延迟微分方程θ-方法的数值稳定性,对Banach空间中的实验问题类D0(α,β)得到了θ -方法的稳定性及渐近稳定性.     

Tailores Design and Characterization of Peroxide-containing Linear, Blick and Highly Branched Oligoelectrolytes and Derived Functional Nanoparticles with Special Properties

1 Results The development of novel surface-active block, comb-like and branched copolymers with peroxide-containing chains as well as derived functional luminescent and magnetic nanoparticles are the objectives of presented study. Main experimental approaches based on tailored synthesis of the oligoperoxide surfactants of desired structures and derived coordinating complexes of transitional and rare earth elements are developed. Functional oligoperoxide based possibilities of the synthesis of luminescent, magnetic and other functional nanocomposites with controlled size distribution, functionality, reactivity and biocompatibility are presented. Developed methods provide combining the stage of formation of polymeric, metal and metal-oxide nanoparticles with the stage of their surface irreversible modification by functional fragments capable of radical and other reactions including binding physiologically active substances. Novel nanoparticles are studied by chemical, colloidal-chemical, and rheological methods, X-ray diffraction technique, luminescent spectroscopy, transmission and scanning electronic microscopy. The availability of ditertiary peroxide fragments on nanoparticle surface causes their ability to radical grafting functional polymer chains. Functional nanoparticles developed are studied in phagocytosis, as markers of pathological cells, antimicrobial remedies and nanocarriers for targeted drug delivery.     

ISI Web of KnoWledge——学术信息最直接的途径

阐述了ISI Web of Knowledge新一代的学术信息资源体系及特点;并通过主要功能的分析,揭示了ISI Web of Knowledge提供学术信息资源的途径。     

Exact n-width on the class of analytic functions in the space of continuous functions

Let ω(·) be a given concave modulus of continuity and ω(g,·) be the modulus of continuity of a function g∈C, where C is the space of 2π-periodic, continuous functions on R with norm ‖f‖C∶=maxt∈R|f(t)|, r,ω∞,β(r=0,1,2,…) denotes those 2π-periodic, real-valued functions f on R that are analytic in the strip Sβ∶=｛z∈C：|Imz|＜β｝, β＞0, and satisfy the restriction condition: ω(f(r),·)≤ω(·). In this paper, the exact n-width of the class of functions r,ω∞,β in the space C is determined.     

Web of Science数据库的检索、链接及其功能

阐述了Weh of Science数据库的收录范围,结合实例介绍了该数据库的检索方法、检索技术.重点推介了Web of Science数据库的特色链接及其功能.     

Some inequalities of Hadamard＇ s type for Lipschitz mappings

给出满足Lipschitz条件的凸函数的一些Hadamard型不等式,推广了已有文献的结果.     

Electronic Absorption Spectra of Copper （ Ⅱ） Sulphophthalocyanine and Aggregation of the Dye in Aqueous Solution

Aggregation behavior of C.I. Direct Blue 86 was discussed using analyses of its UV-Vis spectra. The experiment results show that the dye molecules are inclined to aggregate in aqueous solution. Even in a very dilute solution of 0.050 μol/L, A618/A659 = 1. 239 8, showing that the dye monomers still coexist with its dimers. The strong aggregation trend may cause dye precipitates at a higher concentration, which is an important factor that should be considered in producing a formula of ink-jet inks containing the dye as a colorant.     

Optical Property of LiNbO3 Crystal Codoped with In, Mg and Fe

In2O3, MgO and Fe2O3 were doped in LiNbO3 and Czochralski method was used to grow In:Mg:Fe:LiNbO3 crystals. The OH- extension transmission spectra, light scattering resistance ability, two wave coupled diffraction efficiency and response time of the crystal were measured. Codoping In and Mg in crystal will improve its light scattering resistance ability and response time. Doping In can increase the ability to replace antisite Nb and decrease the doping quantity of Mg. All these are propitious to improve the optical homogeneity of crystal. Doping Fe can improve the photorefractive sensitivity for LiNbO3 crystal. We discussed the site of In, Mg and Fe in LiNbO3 crystals and the influence of the absorption peak of OH- transmission spectra on photorefractive property for LiNbO3 crystal.     

英语书面语中的所有格和of结构的语料库分析

英语中所有格和of结构已经是广大英语学习者熟悉的语言现象了。很多学者对此进行了研究,也得出不少结论。然而,对此现象的语料库研究却是少之又少。应从语料库语言学的角度探讨英语书面语中的所有格和of结构,特别是修饰语的词性和短语结构的语义关系对此产生的影响。     

Characterization of Anabaena cylindrica Solution System Using Synchronous-Scan Fluorescence Spectroscopy

0　IntroductionF luorescence has been a tool for the study oforganic matter for a long time. The fluores cence of chromophoric constituents of dissolved or ganic matter at blue green wavelengths has been thesubject of many investigations since its first …     

Characterization and sensor application of cellulose electro-active paper （EAPap）

As a novel piezoelectric material, the mechanical and piezoelectric properties of cellulose electro-active paper （EAPap） were studied. Young＇s modulus of piezoelectric EAPap was dependant on the material orientation as compared with other EAP materials. The highest Young＇s modulus was obtained at 0° direction, while the highest direct piezoelectric charge constant was achieved at 45°. By measuring the induced output voltage from the thin piezoelectric cellulose film under the applied impact force, we demonstrate that piezoelectric EAPap film has a potential for sensor applications.     

林语堂与The Wisdom of Confucius

林语堂的翻译活动前后跨越了半个世纪,历经了中国五四新文化运动和美国20世纪50年代反文化运动和现代性的冲击。他的译品,就犹如他的创作一样,带有鲜明的中西合璧的文化色彩。林语堂通过通俗的艺术方法为中国古典文化的精华在西方文化世界的传播做出了卓越贡献。由林语堂编译的The Wisdom of Confucius(中文名《孔子的智慧)》较为完整地表达了林语堂的孔子观,也系统地向西方介绍了儒家学说,对促进西方读者了解中国传统文化起到了重要作用。林语堂的翻译思想、The Wisdom of Confucius的编译内容、林语堂《论语》的英译本都具有深刻的学术研究价值。     

“Twits-Up”,Transform of Spin Flows and Physics of Process

1 Introduction Due to theoretical difficulties and technologicalobstacles, very few people have been braveenoughtoforecast disastroustorrential rains of 100mmor higher . Because of our success withthesekinds of disastrous weather systems , manyscholars and front-line meteorologists have askedus questions like : Without first going intotheoretical details ,what is the difference betweenyour method and the traditional ,but well appliedmethod? To this end,our answer is our methodmakes use of some…     

Web of Science数据库及其功能研究

从介绍Web of Science数据库的背景知识和数据库组成入手,重点讨论了该数据库的检索功能、分析功能和个性化服务功能,并充分解读了各个功能模块。     

基于Web of Science数据库的国际冬奥会研究态势分析

为直观和系统地了解国际冬奥会研究领域的进展和发展趋势,文章利用HistCite引文图谱分析软件和CiteSpace可视化分析软件,对Web of Science核心合集数据库检索库中1999—2021年收录的以Winter Olympic Game为主题的520篇文献进行了文献计量分析.结果显示,国内外研究人员对冬奥会领域的研究主要集中于运动与康复学、旅游学、心理学、管理学等领域.