河南省鸡公山自然保护区蚁科昆虫区系研究

对河南省鸡公山自然保护区的蚁科昆虫进行系统采集和整理,共采集标本500余号,经鉴定有5亚科25属63种,其中5种未定名。为保证区系分析的准确性,对已定名的58种蚁科昆虫的种类组成和区系进行分析。结果表明:切叶蚁亚科和蚁亚科为该地区的优势亚科;在世界蚁科昆虫区系共有3个分布型,在中国昆虫地理区共有19个分布型。该区蚁科昆虫区系具有典型的东洋界特征,且与华北区、华中区、华南区及西南区4区相互关系密切。     

广西金钟山自然保护区蚁科昆虫区系分析

对广西金钟山自然保护区蚁科昆虫进行调查采集,经鉴定共有89种,隶属于9亚科46属,其中新种1种,广西新纪录种4种。属、种组成分析表明,切叶蚁亚科和蚁亚科为该地区的优势类群,构成保护区蚁科昆虫区系的主体。区系分析表明,在世界动物地理区中,金钟山蚁科昆虫区系以东洋界种类和东洋界+古北界共有种类为主,具有典型的东洋界性质,并与古北界关系紧密;在中国动物地理区中,与华中区关系最为紧密,与其他动物地理区的关系随着距离增加逐渐变远。     

广西崇左白头叶猴自然保护区蚁科昆虫区系分析

通过样线采集法和枯枝落叶筛选法采集广西崇左白头叶猴自然保护区的蚁科昆虫标本,经鉴定共8亚科52属98种,其中广西新纪录种4种。区系分析结果表明:广西崇左白头叶猴自然保护区的蚁科昆虫区系具有典型的东洋界特征;在跨界分布型中,"东洋界+古北界"分布型所占比例最大,说明该保护区的蚂蚁区系与古北界关系最密切;在中国动物地理区系划分中,保护区的蚂蚁区系具有典型的华南区特征;在跨区分布型中,"华南区+西南区+华中区"分布型所占比例最大,说明该保护区的蚂蚁区系与华中区和西南区的关系密切。     

宁夏蚁科昆虫区系研究

为了研究宁夏蚁科昆虫区系和地理区划,于2002-2009年,通过挖掘蚁巢等方法,对宁夏蚁科昆虫进行了系统采集和标本整理.结果表明,共获得标本20 000多个,经分类鉴定出69种,分属于3亚科19属;宁夏蚁科昆虫主要种类是古北种,有41种,占全部种类的59.42％,其次是东洋种,有7种,占全部种类的10.15％;古北和东...     

广西猫儿山自然保护区蜻蜓目昆虫初步研究

对广西师范大学昆虫标本室收藏的广西猫儿山蜻蜒目昆虫标本进行鉴定,共57种,隶属于2亚目12科40属,其中4属19种为广西新记录.4个广西新记录属是:金光伪蜻属Somatochlora Selys、头蜒属Cephalaeschna Selys、亚春蜒属Asiagomphus Asahina、安春蜒属Amphigomphus Chao.19个广西新记录种是:黄翅灰蜻Orthetrum testaceum Burmeister、线痣灰蜻Orthetrum lineostigma Serlys、双横赤蜻Sympetrum rupturm Needham、小黄赤蜻Sympetrum kunckeli Selys、树穴蜻蜒Lyriothemis flava Oguma、勋章轭蜻(彩眼蜻蜒)Zygonyx iris insignis Kirby、维多异蜻dionyx victor Hamalainen、绿金光伪蜻Somatochlora dido Needham、双斑圆臀大蜒Anotogaster kuchenbiseri Foerster、宽痣头蜒Cephalaeschna acutifrons Martin、工纹长尾蜓Crynacantha bayadera Selys、山西黑额蜒Planaeschna shanxiensis Zhu et Zhang、海南亚春蜒Asiagomphus hainanensis Chao、和平亚春蜒Asiagomphus pacificus Chao、环纹环尾春蜓Lamelligomphus ringens Needham、汉森安春蜒Amphigomphus hansoni Chao、克氏小叶春蜒Gomphidia kelloggi Needham、透翅绿色蟪Mnais andersoni McLachlan、六斑长腹扇蟪Coeliccia sexmaculata Wang.对猫儿山蜻蜒的种类组成和区系进行了初步分析,结果表明:蜻科、蜓科、春蜒科、色蟪科为优势科;猫儿山蜻蜒在世界动物地理区系范围内共有6个分布型,在中国动物地理区系范围内共有12个分布型,以东洋区种类和“东洋区+古北区”共有种类为主要成分,其中华南区、华中区、西南区和华北区4区蜻蜒种类的关系最为密切.     

内蒙古齿爪盲蝽亚科(Deraeocorinae)昆虫的区系分析

对内蒙古齿爪盲蝽亚科(Deraeocorinae)昆虫进行区系分析.在世界动物地理区系中,内蒙古齿爪盲蝽亚科昆虫可分为古北界种类、古北东洋两界共有种类和古北、新北两界共有种类,其中以古北界种类占绝对优势,有13种,占总数的76.47%;在中国动物地理区划中,内蒙古齿爪盲蝽亚科昆虫主要归属于东北、华北、蒙新3个区,其中分布于华北区的种类最多,共有15种,占总数的88.24%;在内蒙古地带性植被带中,属于草原带的种类最多,有16种,占总数的94.12%.     

重庆市巫山县和巫溪县夏季蝴蝶种类及区系分布

【目的】调查重庆市巫山县和巫溪县夏季蝴蝶种类组成以及物种区系分布情况。【方法】2019年6—10月在巫山县和巫溪县采用样线法进行全面的蝴蝶样本采集，并对采集到的样本进行了标本制作和形态学鉴定，之后基于鉴定的结果并结合有关文献，对巫山县和巫溪县的蝴蝶种类组成及区系分布情况进行了分析。【结果】调查中共获得蝴蝶标本834头，隶属于5科82属156种。其中重庆市新纪录1属，新纪录14种。巫山县和巫溪县的蝴蝶种类在世界动物地理区系中东洋界和古北界共有种占全部种数的52.56％。两县的蝴蝶在中国动物地理区系中共有30种分布型，其中跨四区型分布的种类最多，占全部种数的30.13%；之后是跨三区型和五区型分布的种类，分别占全部种数的23.08%和19.23%。【结论】巫山县和巫溪县蝴蝶种类资源丰富，占重庆市已知种类的48.06%，在世界动物地理区系中以东洋界和古北界共有种为主，在中国地理区划中以西南区 华中区 华南区 华北区四区交叉分布种类占比最高。     

宁夏贺兰山拟步甲科的区系组成与生态分布

为了研究宁夏贺兰山国家自然保护区的生物多样性,于2007-2009年在宁夏贺兰山进行了系统的拟步甲科标本采集．结果表明,共获得标本4000余只,经分类鉴定出50种,隶属4亚科20属,其中,拟步甲亚科种类最多,计11属24种,占总种数的48％,漠甲亚科次之,计7属20种,占总种数的40％．从世界动物区系的构成来看,以中亚亚界成分为主;从中国动物区系的构成来看,贺兰山拟步甲科昆虫区系具有明显的蒙新区系特征,并且与华北区区系较为密切,与青藏区系次之,7个区系分布型中以蒙新区所占比例最高,共有32种,占64％,其次为蒙新区＋华北区区系分布型,计10种,占20％．根据拟步甲科生态分布特征,并结合植被、地形、地貌,运用等级聚类分析将50种拟步甲科划分为4个生态种组;拟步甲科随贺兰山垂直植被带分布表现差异,山麓荒漠草原带和疏林草原带是主要的分布带,喜阴湿的种类主要分布在针阔混交林带以上．     

弄岗自然保护区昆虫区系分布及经济昆虫概况

本文系从昆虫生态区系的角度叙述了弄岗自然保护区昆虫区系概况。不同生境下昆虫区系结构、生态适应及其分布规律等情况,并论述了昆虫的益害关系和生态平衡关系。     

基于属级阶元的中国蚁科昆虫地理区划研究

本文基于属级阶元对中国蚁科昆虫地理区划进行分析研究。地理分布分析表明,中国蚁科昆虫共有113属,各省(市、区)分布的属数基本上是由古北界向东洋界逐步递增。多元相似性聚类分析表明,各省(市、区)之间的聚类关系和现有的昆虫地理区系划分有所不同。本文还讨论了基于属级阶元进行生物地理分析的优势和聚类与实际的地理、生态情况不符的可能原因。     

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.     

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.     

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.     

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.     

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.     

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.     

橡胶颗粒沥青混合料低温抗裂性试验研究

以AC-13级配为基础,将橡胶颗粒代替部分集料掺入混合料中,以低温弯曲试验为评价方法对不同橡胶颗粒掺量下沥青混合料的低温抗裂性进行研究,并引入应变能密度值对混合料的低温抗裂性进行综合评价.试验结果表明:橡胶颗粒沥青混合料试件的破坏微应变均超过2 300,满足冬寒区的技术指标;无论是否掺加橡胶颗粒,随着温度的下降,沥青混合料破坏时的最大弯拉强度增大,弯拉应变降低,劲度模量增大;弯曲应变能密度在胶粒掺量为1%左右时具有较大的弯曲应变能密度值,此时橡胶颗粒沥青混合料具有较好的低温抗裂性.     

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.