同时吃虾和含维生素C的蔬菜水果会中毒吗

如果不是同时吃下大量的虾和蔬菜水果，那就不用担心生命安全。虾体内所含的砷是五价砷，一般情况下，五价砷对人体是无害的。理论上讲，高剂量的维生素C（一次性摄入维生素C超过500毫克）和五价砷经过复杂的化学反应，     

月耀长天 成就无限——“共赢天下”之“五朵金花”

有一部电影叫《五朵金花》，而在月朗国际长城系统中，也有着“阿鹏哥”和“五朵金花”，那就是月朗国际长城系统共赢天下团队的领航者刘一伟先生和五位阿姐：文月华、郭艾丽、普燕、何瑞、孙翠芳。在月朗国际的西南市场上，“阿鹏哥”和“五朵金花”用短短一年多的时间，创造了一个快速崛起的奇迹。     

我的同桌是“睡神”

“……啪!”全班同学眼睁睁地看着小包老师那一千度的眼镜儿跌到地上碎成一片片，时间倒回到五分钟前     

湖南：粉尘防爆任重道远

工业生产过程中常会产生粉尘，如果不及时清理，在封闭空间内达到一定浓度，那就如同在炉灶里塞满了柴火，一旦遇到高温就会燃烧爆炸，造成严重的伤害。为防止此类事故发生，8月15日，国家安监总局发布了《严防企业粉尘爆炸五条规定》，要求各地相关部门根据这五条规定严查整改。我省工贸行业粉尘防爆治理现状如何？     

“三大文明”的提法为何得不到承认

社会文明应该包括物质文明、制度文明、精神文明三个方面，也可以说是“三大文明”的三位一体，其中，物质文明是基础，精神文明是主导，制度文明是保证。既然如此，那“三大文明”的提法为何又得不到社会的承认呢？因为有五个方面的原因，使我们不能、不敢、不好、不应、不便承认“三大文明”的提法。当我们分析并排除了这些原因之后，那就可以大胆地承认“三大文明”的提法。     

巧抓“笑”字深入理解《变色龙》的主题

《变色龙》一课一直都是作为优秀的外国文学名篇编入初中语文教材的。这篇小说故事生动，警官奥楚蔑洛夫在处理“狗咬人”事件过程中态度的五次变化给读者留下了深刻的印象。很多教师在教学本课时都分析得非常精彩，但遗憾的是大多忽略了文中的一个细节，那就是小说结尾的一句话：“普洛诃尔喊一声那条狗的名字，带着它从木柴厂走了。那群人就对着赫留金哈哈大笑。”     

李大钊早期文化民主思想初探

李大钊作为“五·四”新文化运动的干将，其所以在整个运动中影响巨大，与其思想的时代性是密切相关的。本文通过考察李大钊文化民主思想形成的历史背景，阐述了李大钊文化民主思想丰富而深刻的内容，向人们再一次展示了李大钊作为伟大的革命家、思想家那光彩照人的思想历程。     

良心能值多少钱

五起五落的黄学敏经历过鼎盛辉煌,也体味过世事悲凉,在这其间支撑他奋力前行的到底是什么?答案其实很简单,那就是良心     

浅谈档案工作创新

文章以不断创新来进一步搞好挡案管理工作为目的，指出了档案工作与新时代要求的差距，以及档案工作创新中存在的问题，分析了档案工作创新需要解决的主要问题，找出了档案工作创新的方法，那就是要抓调研，抓突破口，抓典型，抓规范，抓培养这五个方面入手，档案工件才能适应社会的发展。     

谈谈进口成套设备项目实施中应注几意的个方面

众所周知，物美价廉是任何商品追求的目的。对于进口成套设备来讲，只有全部满足三个条件：(1)质量令人满意，并能与项目其他部分配套；(2)能按时交货或完工；(3)价格具有竞争性。要达到这些条件并不是容易的事，尤其不是从定性分析，而是从量来寻找，那是永无止境的。笔者认为，首先应努力做好以下五个方面工作。     

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