湖北省蜱总科1新纪录科4新纪录种

记述分布于湖北的蜱总科1新纪录科：软蜱科(Argasidae)及4新纪录种：蝙蝠锐缘蜱A. vespertilionis(Latreille,1802)、长蝠硬蜱Ixodes vespertilionis Koch、拟蓖硬蜱I. nuttallianus Schulze和草原硬蜱I. crenulatus Koch.     

古尔班通古特沙漠南缘蜱类区系分布及其与相关疾病关系

初步调查了古尔班通古特沙漠南缘3种不同生境条件下蜱的种群组成及区系分布,采用人工小时布旗法收集蜱,11个不同考察点,共获蜱2152只,计4属8种.结果表明,以古尔班通古特南缘为主的沙漠区,优势种群为残缘璃眼蜱(Hyalomma detritum)(34.67%)、盾糙璃眼蜱( Hyalomma scupense)(26.20%);以奎屯、石河子等地为主的垦区,优势种群为残缘璃眼蜱(Hyalomma detritum)(28.15%)、银盾革蜱(Dermacentor niveus)(26.20%);以天山山麓北坡为主的山地森林草原区,优势种群为全沟硬蜱(Ixodes persulcatus)(100%).其中以沙生植物构成的固定和半固定沙漠区蜱密度指数最高(111.75只/人工小时).同时,采用动物体摘采法,首次在绵羊和刺猬体表分别发现了盾糙璃眼蜱和短垫血蜱.另外,列出这些主要蜱种与人类疾病间的关系.此调查结果可为准噶尔盆地的蜱类组成与分布及其与疾病间的关系的研究提供依据.     

江西省硬蜱科6新纪录种

记述分布于江西的硬蜱科6新纪录种,其中血蜱属5种,分别为褐黄血蜱Haemaphysalis flava、长角血蜱H. longicornis、豪猪血蜱H. hystricis、具角血蜱H. cornigera和钝刺血蜱H. doenitzi;扇头蜱属1种,为血红扇头蜱Rhipicephalus sanguineus;并对其成蜱重要的形态鉴定特征进行了描述.标本保存于江西省疾病预防控制中心和武汉市疾病预防控制中心昆虫标本室.     

山西的蜱类及硬蜱科种检索表编制〈附微小牛蜱畸型五例〉

本文介绍了在山西各地调查发现的蜱类,包括硬蜱科6属17种,软蜱科2属2种.并对硬蜱科种类编制了以雌蜱形态为主的检索表.讨论了蜱类在传播人兽共患病中的作用.报告了发现在山西区域的五例微小牛蜱畸形虫体.     

凯瑟硬蜱—中国蜱种新记录

目的基于形态学与分子生物学鉴定方法对我国新发现的疑似硬蜱进行鉴定。方法从新疆亚洲獾和长尾黄鼠体表共采集到硬蜱57只,对其中的8只代表蜱首先进行体视显微镜观察,描绘蜱的形态学特点,随后进行线粒体16S rDNA和cox1基因片段扩增和测序。结果结果显示,采集的硬蜱经形态学观察符合凯瑟硬蜱的形态特点,16S rDNA遗传进化树分析表明8只代表蜱其序列与欧洲凯瑟硬蜱聚为一簇,与六角硬蜱为近源种; cox1基因遗传进化树分析表明我国分布的凯瑟硬蜱较为古老,并且发现来源于亚洲獾和长尾黄鼠凯瑟硬蜱在16S rDNA和cox1基因上不存在宿主差异性。结论新疆凯瑟硬蜱的发现扩大了我国已有蜱种的种类。关注野生动物体表寄生蜱的种类有望进一步在我国发现新的蜱种。     

新疆石河子-沙湾地区博尔通古牧场硬蜱形态学和16S rDNA序列分析研究

为了掌握新疆石河子-沙湾地区博尔通古牧场畜牧体表寄生硬蜱的分布情况及物种多样性,对该地区12个调查点的寄生蜱类进行考察,采用形态学分类及16S rDNA序列进行遗传进化分析的方法对采集的323只羊和228只牛寄生硬蜱进行研究,从中选取26只硬蜱进行线粒体16S rDNA序列扩增、测序,并与34种GenBank参考序列进行遗传进化分析。结果显示:该地区共鉴定出2科3属7个种的硬蜱。其中2种硬蜱与边缘革蜱(Z97879)16S rDNA序列同源性分别为98.2%和96.8%,遗传距离为0.021和0.026;1种硬蜱与森林革蜱(JF979379)、草原革蜱(JF979375)16S rDNA序列的同源性为95%和96.3%,遗传距离为0.039和0.042;3种硬蜱基因序列与亚洲璃眼蜱(JF979380)16S rDNA的同源性为98.3%~99.8%,遗传距离为0.003~0.017;且获得的1种硬蜱,与刻点血蜱(Z97880)同源性完全相同。结论:首次应用形态学和16S rDNA序列分析报道了新疆石河子-沙湾地区博尔通古牧场牛、羊体表寄生的硬蜱种类,16S rDNA测序分析表明该地区硬蜱与GenBank报道的国际硬蜱有一定差异性,与国内其它省份分离的硬蜱16S rDNA序列亦不完全相同,具有区域差异性。     

两种硬蜱滞育的研究

在试验室条件下观察了中华革蜱、长角血蜱在不同光周期及温度下各虫态发育历期的变化.试验结果表明:不同光周期对这2种硬蜱卵孵化期、幼虫和若虫吸血期、蜕化期无显著影响.2种硬蜱的卵、幼虫及若虫期均无滞育现象.摄食前长日照处理,可诱导中华革蜱雌虫发生饱食过程延迟的滞育.其光周期反应属短日照反应型.长角血蜱在不同处理下均无滞育发生.温度对这2种硬蜱雌虫的发育有一定影响.在非滞育状态下,恒温处理的雌虫吸血期、产卵前期及产卵期一般较变温处理的雌虫时间短.     

塔城地区硬蜱种类调查与群落分析

为了明确新疆塔城地区硬蜱的流行情况和群落结构特征,对该地区7个县(市)不同生境动物寄生蜱和地面游离蜱群落组成进行了初步调查。结果显示:在该地区共采获硬蜱6286枚,隶属4属13种,初步确定了塔城地区的主要蜱种为银盾革蜱、草原革蜱、亚洲璃眼蜱指名亚种、亚东璃眼蜱、边缘革蜱。不同生境地区中群落组成有所不同,并有各自的优势种群。7个生境地区的硬蜱群落均存在一定的相关性,只不过相似性的大小有所差异,乌苏市与沙湾县的动物寄生蜱和地面游离蜱的区系相似性皆最高,相似系数分别为0.6364和0.7500;动物寄生蜱相似性最低的为塔城市与和丰县,相似性系数仅为0.1667,而地面游离蜱最低的为塔城市与沙湾县,系数仅为0.1111。同一生境中动物寄生蜱和地面游离蜱群落结构参数的差异则是由于放牧动物的流动造成的。     

新疆准噶尔盆地蜱种调查及DNA条形码应用

目的利用DNA条形码技术对新疆维吾尔自治区准噶尔盆地部分县市的蜱种进行鉴定。方法运用标准形态学鉴定方法对采集的蜱进行初步鉴定,进而用COⅠ基因片段扩增并测序。结果 2017-2018年间4-6月在新疆准噶尔盆地地区的8个县市采集点共采集到4880只蜱虫,隶属3属5种,包括革蜱属的边缘革蜱、森林革蜱和草原革蜱,璃眼蜱属的亚洲璃眼蜱以及硬蜱属的凯瑟硬蜱。基于COⅠ基因部分序列比对结果与形态学结果一致,而且系统进化树证明了序列比对的结果;进化树展现了同一物种的不同属均形成高支持率的单系,种间分支明显。研究表明采集的边缘革蜱、森林革蜱、草原革蜱和亚洲璃眼蜱均属于新疆优势蜱种,而凯瑟硬蜱是首次在新疆境内检测到的蜱种。结论以COⅠ基因作为蜱DNA条形码对蜱种鉴定方面具有一定的可行性。     

硬蜱性信息素的研究

用气相色谱、X-射线微区分析、生物测定及电生理等方法,研究了硬蜱性信息素的成分、含量与吸血和交配的关系以及雄虫对性信息素的反应.硬蜱性信息素的主要成分为2,6-二氯酚.雌虫吸血后性信息素量明显增加,第3～5天达到高峰,交配后下降.雄虫哈氏器是感受性信息素的器官,其前窝感毛对2,6-二氯酚反应最灵敏,吸血7d时反应最强.     

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.     

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.     

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     

On the Thermodynamic Limit for Responses to Static Electromagnetic Fields

For molecular systems,the quantum-mechanical treatment of their responses to static electromagnetic fields usually employs a scalar-potential treatment of the electric field and a vector-potential treatment of the magnetic field.Although the potential for each field separately is associated with the choice of an(unphysical)origin,the precise choice of the origin for the electrostatic field has little consequences for the results.This is different for the     

An affordable accurate evaluation of the binding conformations predicted by molecular docking studies in bio-system

Franck-Condon factors bridge the gap between theoretical modeling and experimental observations for molecular electronic spectroscopy and electron transfer.Under the displaced harmonic oscillator approximation,multidimensional Franck-Condon factors are decomposed into a product of many one-dimensional(1D)Franck-Condon(FC)factors,and each 1D-FC factor is associated with one Huang-Rhys factor that determines the leading contribution of     

Call for Papers

<正>"The Journal of Shanghai Normal University:Mathematics"is published by Shanghai Normal University as regular issues of The Journal of Shanghai Normal University each year from 2014 in English.The editors-in-chief of the issues are professors Yuhao Cong and Maoan Han.The Journal of Shanghai Normal University was started in 1958 with