小毛足鼠(Phodopus roborovski)巢区和活动距离的初步研究

１９９５～１９９７年在鄂尔多斯沙地采用标志重捕法对小毛足鼠（Ｐｈｏｄｏｐｕｓｒｏｂｏｒｏｖｓｋｉ）的巢区和活动距离进行了调查．结果表明,该鼠的巢区和活动距离雄性分别为３５３６．１±４４３．３ｍ２和１１２．７±８．０ｍ、雌性分别为３３７５．０±３７９．８ｍ２和１１０．１±７．２ｍ,二者均不存在显著的性别差异,也不存在显著的年龄差异和季节差异．巢区面积和活动距离呈极显著的线性相关（ｒ＝０．８０７＞ｒ０．０１＝０．２８３,ｄｆ＝８７）．     

郑州鹭类的生态习性

1999～2003年对河南郑州市区鹭鸟的生态习性进行了研究。结果表明:郑州市区共有夜鹭(Nycticoraxnycticorax)、池鹭(Ardeolabacchus)、白鹭(Egrettagarzetta)及苍鹭(Ardeacinerea)4种鹭鸟营巢繁殖,栖息地道路总长4600m,道路面积约132400m2。2003年栖息地共有鹭巢6762个,巢密度为0.051个/m2。平均每株行道树有鹭巢12.47个,多的超过30个。鹭类对营巢树的利用具有选择性。从种群数量上看,夜鹭占绝对优势,占98.05%,其次是池鹭,白鹭和苍鹭数量较少。据2003年统计,在市区停留的时间为:夜鹭212天,池鹭158天,白鹭147天。雏鸟留巢期为夜鹭49.17±0.835天,池鹭32.7±1.059天,白鹭41.43±1.134天,均较荒野地长。平均出雏数为:夜鹭2.85±1.268只,池鹭4.50±1.35只,白鹭4.43±1.27只。鹭鸟在市区繁殖是人类活动影响的结果,并对市区环境造成一定的影响。     

多疣壁虎个体状态及一些贮能部位的季节变化

多疣壁虎(Gekko japonicus)成幼体和雌雄成体的状态指数无显著差异,状态指数的月间差异显著,休眠开始时的11月下旬最大。雌雄成体躯干、肝脏和胃肠道水分含量无显著差异,躯干、肝脏和胃肠道水分含量的月间差异不显著。雌雄成体躯干灰分含量无显著差异,躯干灰分含量的月间差异不显著。成雌脱脂躯干灰分含量显著大于成雄,雌雄成体脱脂躯干灰分含量的月间差异不显著。雌雄的肝脏指数和胃肠道数差异显著,成雌的肝指数、胃肠道指数及成雄的胃肠道指数月间差异显著.     

中国石龙子头、体大小的性二态

本文研究中国石龙子（Ｅｕｍｅｃｅｓｃｈｉｎｅｎｓｉｓ）头、体大小的性二态。成雄体长和体重略大于成雌，但在统计上无明显差异。雌雄亚成体相对头长，相对头宽和相对头高无显著差异。成雄相对头长、相对头宽和相对头高显著大于成雌和亚成体。亚成体相对头长、相对头宽和相对头高与成雌无显著差异。雄性性成熟后头部的生长显著大子雌性。     

直链藻强化的轮虫对中华绒螯蟹潘状幼体Ⅱ期与Ⅲ期生长及脂肪酸组成的影响

用直链藻强化培养的轮虫,其EPA和DHA含量显著增加,以强化72 h效果最佳,其EPA和DHA含量分别为10.36%和3.12%;用不同密度的强化轮虫培养中华绒螯蟹溞状幼体Ⅱ期与Ⅲ期(Z2与Z3),结果表明:轮虫密度为20 ind/mL时Z2的变态率与存活率分别为60.60±2.64%和63.20±2.48%,密度为30 ind/mL时Z3的变态率与存活率分别为57.40±1.63%和62.00±2.98%,均为最佳;收集该阶段溞状幼体,对其脂肪酸含量进行分析,强化轮虫培养的溞状幼体的EPA和DHA含量分别为15.09%和7.24%,显著高于未经强化的酵母轮虫培养的溞状幼体(p<0.05).     

肉仔鸡血清酶活性指标的测定

本试验选择常规饲养AA+品种雌、雄肉仔鸡各10羽,在20、24、28日龄取静脉血,检测血清中的LDH-L、CK、GOT/AST、GPT/ALT活性,经统计学处理,确定血清酶活性指标,同时比较雌雄肉仔鸡血清酶活性指标差异.结果表明20、24、28日龄雄性肉仔鸡血清LDH-L活性分别为704±80,529±51和515±51,雌性分别为490±80,380±51和389±51;CK雄性分别为98±8,87±6和149±30,雌性分别为78±8,65±6和69±30;GOT/AST雄性分别为194±12,225±17和226±14,雌性分别为171±12,213±17和214±14;GPT/ALT雄性分别为14±3,6±1和1±1,雌性分别为16±3,6±1和1±1.20、28日龄的雌、雄肉鸡CK、LDH-L活性差异显著(P<0.05),24日龄的雌、雄肉鸡CK、LDH-L活性差异极显著(P<0.01);20、24、28日龄的雌、雄肉鸡GOT/AST、GPT/ALT活性差异均不显著(P>0.05).     

千岛湖社鼠巢区面积的季节与性别差异

自2009年7-11月及2010年3-11月,对千岛湖2个岛屿标志重捕的169只社鼠(Niviventer confucianus)的巢区面积进行了季节、性别及岛屿间差异的分析.结果表明:季节间社鼠巢区面积具有显著差异(P<0.05);繁殖季节的春季及秋季社鼠雌雄个体间的巢区面积无显著差异(P>0.05),仅在非繁殖高峰期的夏季具有显著差异(P<0.05);岛屿间社鼠巢区面积不具有显著差异(P>0.05).因此,岛屿状态下季节及性别对社鼠巢区面积具有显著的作用,并且与陆地状态下鼠类巢区面积的研究具有一定的差异性.     

玉米螟人工饲养研究:实验室种群生物学观察

1979—1982年期间,观察了46代实验室种群亚洲玉米螟Ostrinia furnacalis(Guenée)的生物学特性。在实验室条件下形成的种群在生物学特性上与自然种群存在着差异,本文记述了这些主要的特性。卵期:3.56±0.03天(平均数±95%置信区间)。黑头期在第3.4天,或孵化前的3.84小时。每个卵块平均有卵32.7粒,孵化率87.45±9.59%,多代饲养有降低趋势。幼虫期:雌16.89±0.44天,雄16.56±0.52天。记录了幼虫各龄期的持续期及头壳宽度。蛹期:雌6.55±0.20天,雄6.94±0.18天。蛹重受饲料种类,饲养方式及连续饲养代数影响变化较大。成虫期:雌9.17±0.73天,雄7.96±0.66天。还记录了成虫翅展,产卵量,产卵盛期等习性。并与亚洲玉米螟自然种群及欧洲玉米螟的生物学特性做了比较。     

用CO激光磁共振方法测量No_2的V_3振转谱带的外来气体压致增宽系数

本文提出了一种用激光磁共振信号与谱线线宽的关系间接测量压致增宽的方法,并给出了几种外来气体N_2,O_2,He及空气对NO_2的V_3振转谱带谱线的压致增宽系数的实验结果: r~0NO_2-N_2,O_2,Air分别为2.7±0.1,1.9±0.2,1.1±0.2及2.5±0.1MHz/Torr     

不同饵料和接种密度对褶皱臂尾轮虫种群增长的影响

应用正交设计方法, 研究了水温分别为(17.8±1.3 )℃和( 23.3±1.9 )℃条件下, 不同饵料和接种密度对褶皱臂尾轮虫(Brachionusplicatilis) 种群增长的影响. 结果表明: 1) 当水温为( 17.8 ±1.3 )℃时, 轮虫密度随接种密度的增加而提高, 而轮虫种群增长率则随接种密度的增加而下降; 2) 当水温为(17.8±1.3)℃时, 饵料和接种密度均对轮虫种群增长具显著影响, 水温为( 23.3 ±1.9)℃时, 饵料对轮虫种群增长具显著影响, 而接种密度对种群增长影响不显著; 3) 这3种生态因子的最佳组合为:水温为( 23.3 ±1.9 )℃、接种密度为轮虫100只/mL、饵料为酵母60g/ (亿个·d).     

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