澜沧江线鳢寄生叶形属复殖吸虫一新种

记述了澜沧江水系南腊河支流(21°62′26″N,101°59′11″E,海拔744m)线鳢(Channa striata)膀胱寄生的发状科(Gorgoderidae)叶形属(Phyllodistomum)1新种线鳢叶形吸虫(Phyllodistomum striata sp.nov.).剖检2尾线鳢,感染率为100%,感染强度3~8枚.该新种与寄生于墨西哥Heterandria bimaculata膀胱内的P.inecoli和寄生于哥伦比亚Trachycorystes insignis膀胱内的P.mayesi相似,体呈叶形,无锯齿或褶皱,口吸盘大于腹吸盘,卵巢与卵黄腺相对或于卵黄腺稍前.与上述两近似种进行比较,该新种不具头腺,而P.inecoli具显著头腺;P.mayesi口吸盘与腹吸盘宽度之比为1∶0.59,该新种口吸盘与腹吸盘宽度之比为1∶0.86.该新种的28SrDNA部分序列约1 278bp(GenBank登录号:MG976755).与GenBank中19种叶形属吸虫的碱基相似率为85%~95%,与近似种P.inecoli的碱基相似率为94%.两两相对遗传距离范围为0.060~0.226,与近似种P.inecoli的两两相对遗传距离为0.085.基于28SrDNA的系统发育关系表明,该新种构成一单独进化支,并与其他叶形属吸虫聚为一支.综合上述与近似种的形态学比较和基于28SrDNA部分序列的分子鉴定研究,确认线鳢叶形吸虫为新种.     

原睾吸虫_Palaeorchis_一新种_复殖目_独睾科_

本文记述了寄生于广东阳山的蛇鲍体内的原睾吸虫—新种—潘氏原睾吸虫:虫体小,0.538-0.864×0.316-0.506毫米.口吸盘亚端位,腹吸盘位于虫体前1/2的后部,肠短,末端终止于体中部水平.两睾丸并列于虫体后侧;阴茎襄发达.卵巢分四叶,位于两睾丸之间,偏前.卵黄腺位于腹吸盘前肠支两侧.卵长椭圆形,新种以其卵巢分四叶而区别于本属的已知各种.其肠支的位置或卵黄腺的分布亦与其他种不同.     

淡水鱼类单殖吸虫七新种

本文记述寄生于我国淡水鱼类鳃上的单殖吸虫7新种,隶于二科三属.它们为铃形叉指环虫(新种)Dicrodactylogyrus campaniformis sp.nov.、溪生指环虫(新种)、Dactylogyrus fluvialis sp.nov.叉形指环虫(新种)D.furcellatus sp.nov.、弯卷指环虫(新种)D.cincinnatussp.nov.、多枝指环虫(新种)D.ramosus sp.nov.(?)似锚盘吸虫(新种)Ancylodiscoides hemibagri sp.nov.和弯管似锚盘吸虫(新种)A.curvitubus sp.nov.     

安徽北部上寒武统凤山组的牙形刺及其地层

上寒武统含牙形刺地层广泛分布于中国许多省份,安徽省是其中之一,根据三叶虫和牙形刺化石组合,作者修改了前人对上寒武统地层的划分方案,建立了三个牙形刺组合带,并可与三个三叶虫化石带进行对比.(见表Ⅱ、Ⅲ) 本文描述了三个新属:原端牙形刺属(Prodistacodus gen.nov),原始齿牙形刺属(prodentatudus gen,nov.),三角形牙形刺属(Triangtdatudus gen.nov.);十个新种:四方黑尔兹牙形刺(Hertzina quadrata sp.nov.),风山箭牙形刺(Oistodus fengshanensis sp.nov.),环纹原牙形刺(proconodontus anulatus sp.nov.),长形原牙形刺(proconodontus longiformis sp.nov.),有齿原始齿牙形刺(prodentatudus dentatus sp.nov.),翼状原奥尼昂塔牙形刺(Prooncotodus alatus sp.nov.),钩状原奥尼昂塔牙形刺(Prooneotodus hamatus sp.nov.),舌状原镞牙形刺prosagittodontus lingulatus sp.nov.),安徽三角形牙形刺(Triangulatudus anhuiensis sp nov.),浅沟韦斯特牙形刺(Westeryaardodina incilis sp.nov.);及一新亚种:锯齿诺契匹克原牙形刺(proconodontus notchpeakensis serratus subsp.nov).     

鳖的后睾科吸虫_Trematoda_Opisthorchiidae_两新种

本文记述产自湖北省的鳖Trionyx sinensis(Wiegmann)体内后睾科吸虫二新种一新属.它们为武汉后睾吸虫(新种)Opisthorchorchiswuhanensis Chin et Zhang,sp.nov.和似带鳖孔吸虫(新属新种)Trionychotcrema taenioidea Chin et Zhang,gen.et sp.nov.后睾属为寄生于爬行纲的首次记录.     

内乡宝天曼自然保护区九种蜘蛛的记述：（蛛形纲：蜘蛛目）

本文记述了内乡宝天曼自然保护区九种蜘蛛,其中有六新种,即:宝天曼园蛛,新种 Araneus baotianmanensis sp.nov.;豫高亮腹蛛,新种 Hypsosingahenanensis sp.nov.;伏牛山隙蛛,新种 Coelotes funiushangensis sp.nov.;内乡隙蛛,新种 Coelotes neixiangensis sp.nov.;宝天曼平腹蛛,新种 Gnaphosabaotianmanensis sp.nov.;锯齿管巢蛛,新种 Clubiona serrulata sp.nov.,另外,还有2个中国新纪录种,即单带复蛛 Poecilochroa unifascigera(Boes et str,1906);小类蝇虎 Plexippoides regius Wesolowsk,1981。     

荡镖水蚤属一新种(甲壳纲:桡足亚纲)

本文报道采自山东聊城的桡足类新种-聊城荡镖水蚤Neutrodiaptomus liaochengensisi sp. nov.描述了新种形态特征,并与其相似种类作了比较.     

台湾平腹蛛科(蛛形纲:蜘蛛目)3新种2新纪录种

报道产于台湾的平腹蛛科3新种(台湾希托蛛Hitobia taiwanica sp.nov.,叉狂蛛Zelotes bi-furcutis sp.nov.和扇狂蛛Z.flabellis sp.nov.)及2新纪录种(金比罗平腹蛛Gnaphosa kompirenensis Boesenberg et Strand,1906和廖氏狂蛛Zelotes liaoi Platnick et Song,1986).附有详细的新种外形描述和特征图.     

鱼类海盘虫属两新种(单殖亚纲,锚首虫科)

记述了分别寄生于日本骨鳂Ostichthys japonicus （Cuvier ＆ Valencienne）和银方头鱼Branchiostegus argentatus（Cuvier ＆Valenciennes）鳃上的海盘虫属两新种.五芒海盘虫,新种 Haliotrema pentaristulata sp.nov在中央大钩的形态上相似于红鰃海盘虫Haliotrema holocentri Young,1968,石斑海盘虫 H.epinepheli Young,1968和驼背鲈海盘虫H.cromileptis Young,1968,背联结片相似于H.cromileptis,腹联结片相似于H. holocentri,交接管的形状与量度与已知者也不同;唐氏海盘虫,新种 H.tangi sp.nov与鯒海盘虫H.platycephali Yin ＆ Sproston,1948和马卡萨海盘虫H.macassarensis（Yam.,1963）Bychowsky ＆ Nagibina,1971在中央大钩的形态上相似,但新种的联结片、交接器和阴道结构与已知种不同.     

南海海域花水母亚纲面具水母科2新种

记述了采自南海海域的花水母亚纲(Anthomedusae)面具水母科(Pandeidae)2个新种,即南海隔膜水母(Leuckartiara nanhaiensis Huang J Q,XuGuo,sp.nov.)和粗管潜水母(Merga crassocanalis Huang J Q,XuHuang B B,sp.nov.),模式标本保存在厦门大学海洋与地球学院.详细描述了其形态特征,并与近似种进行比较,可为今后海洋生物资源调查和环境监测提供参考.     

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