垃圾焚烧尾气中HCl干式净化过程的数学模拟

运用渗透理论建立了垃圾焚烧烟气中ＨＣｌ气体干式净化的气固反应数学模型，并采用Ｂｅｔｈｅ网络来模拟Ｃａ（ＯＨ）２颗粒的内孔结构，模型详细考虑了孔堵塞，孔变孤立以及死端孔对有效扩散系数和反应过程的影响，利用本模型对Ｃａ（ＯＨ）２吸收ＨＣｌ气体的气－固反应进行了数值分析，在误差允许范围内，此模型的计算结果比以前普遍采用的任意孔模型与试验数据吻合得更好。     

改性石灰吸收HCl气体过程中的物理化学特性

用NaOH溶液处理CaO生成的改性石灰在350～760℃温度段对HCl气体吸收效率较原始石灰有显著的提高.通过对改性石灰吸收HCl气体过程中物理化学特性的研究来分析改性机理,研究表明:改性石灰的表面结构不规则,晶体规则化程度也较低,煅烧时分解速度较慢,新反应面的出现速度适应反应持续进行的要求,反应后的产物层多孔,这些均有利于对HCl的吸收.原始石灰在不同温度下反应后的产物种类相同,而改性石灰的产物成分在各温度下不一致.此外先生成的产物如CaCl2·2H2O可与未反应的石灰结合形成固溶体CaCl2·Ca(OH)2·H2O.     

双能级跃迁CO激光器腔内光声光谱测量

将纵向共振光声池放入双能级跃迁ＣＯ激光器光学谐振腔内，构成了一个高灵敏度的光声探测器．使用该探测器对低浓度的Ｎ＿２Ｏ和ＣＨ＿４气体作了光声测量，由于气体吸收线与ＣＯ激光器谱线具有很好的重合性，以及较强的腔内激光功率，该系统对Ｎ＿２Ｏ和ＣＨ＿４气体的最低检测浓度分别达到３７×１０￣（－１１）和３７×１０￣（－１２）．     

焚烧炉烟气中HCl气体高温净化的温度选择

研究了普通石灰和改性石灰吸收HCl气体对应的平衡分压随温度的变化、石灰的热分解规律，以及温度对石灰吸收HCl气体的最大反应率的影响，确定了焚烧炉烟气中HCl气体的最佳干式净化温度．研究表明：随温度升高，石灰吸收HCl气体所对应的平衡分压升高；烟气中CO2分压提高，HCl的平衡分压亦升高，但是改性石灰可在一定程度上消除CO2对HCl吸收的不利影响；当反应产物中有未反应石灰存在时，HCl平衡分压会明显下降．200℃时已达最大反应率的石灰在600℃时仍能继续反应．HCl高温净化温度可确定在600℃左右，并可用改性石灰为吸引剂。     

气体传感器阵列用于混合气体测量的计算机模拟研究

用计算机模拟方法对气体传感器阵列进行模拟，并建立相应软件，用该软件研究由ＣＯ，ＣＨ４，Ｃ２Ｈ５ＯＨ，ｉ－Ｃ４Ｈ１０四种气体组成的混合气体体系，并对气体传感器阵列测得的信号与混合气体浓度之间的关系进行深入的研究．用人工神经网络法和多元线性回归分析法对模拟获得的数据处理，建立传感器阵列数学模型，并对两种模型进行比较，以找出最优的预报数学模型，用于预报实际体系     

喷射鼓泡烟气脱硫（Ⅰ）—化学吸收工艺的研究

该文阐述了喷射彭泡烟气脱硫的原理与喷射鼓泡反应器的结构，采用该反应器实验了湿法烟气脱硫的化学吸收工艺。实验结果表明，吸收浆液的ＰＨ值、气体喷射器的浸入深度Ｌ、气体压降△ｐ、石灰的质量百分数浓度ω及石灰颗粒尺寸对脱硫反应过程和系统的操作有较大的影响。控制ＰＨ＝５．５－６．５，Ｌ≤２００ｍｍ，△ｐ≤１８００Ｐａ，ω≤５％和使用２００目的石灰颗粒，可达到９０％以上的脱硫率和９５％以上的钙利用率，以及系统     

掺氮类金刚石薄膜(α-C:H:N)显微结构的研究

用射频等离子体化学气相沉积法（ＲＦ－ＣＶＤ）和ＣＨ４、Ｎ２与Ａｒ组成的混合气体制备掺氮类金刚石薄膜（α－Ｃ：Ｈ：Ｎ）。用原子力显微镜（ＡＦＭ）、俄歇电子能谱（ＡＥＳ）、红外光谱（ＩＲ）以及显微拉曼谱（Ｍｉｃｒｏ－Ｒａｍａｎ）对α－Ｃ：Ｈ：Ｎ薄膜的表面形貌、组分和微观结构进行表征。实验结果表明,薄膜中有纳米量级的颗粒存在,而且随反应气体中Ｎ２与ＣＨ４比值的增大,薄膜中的氮元素含量也随之增大,并主要以     

石灰石脱除二氧化硫的模型研究

将晶粒模型用于描述炉内石灰与二氧化硫的反应，并在晶粒模型上量化地模拟了反应产物层堆积使反应气体扩散受阻和晶粒体积增加的情况，利用经验性公式考虑了由于石灰烧结时反应的影响，编制出相应程序，并地模型结果与文献试验数据进行了比较与分析。     

O（^1D）与CF2HC1的反应研究

研究了ＣＦ２ＨＣ１－Ｏ３体系在２５３．７ｎｍ紫外学照射下所引发的Ｏ（＾１Ｄ）与ＣＦ２ＨＣ１的反应。Ｏ（＾１Ｄ）与ＣＦ２ＨＣ１的反应最终产物为ＣＦ２Ｏ、ＨＣ１。对Ｏ（＾３Ｐ）与ＣＦ２ＨＣ１的反应可能性、Ｏ（Ｔ＾１Ｄ）与ＣＦ２ＨＣ１的反应机理、外加气体对反应的影响等方面进行了讨论。     

石灰在煤泥水混凝中的作用机理

石灰在煤泥水混凝中的作用机理,石灰对煤泥水的混凝作用不是补给了ＯＨ＾－,而是提供了大量的Ｃａ＾２＋,Ｃａ＾２＋通过压缩循双电层,破坏了煤泥颗粒的稳定性,从而使煤泥颗粒发生凝聚,ＯＨ＾－和Ｃａ（ＯＨ）２对煤泥水的混凝不直接起作用。     

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