苝系颜料的制备方法研究

本文以3，4,9，10-苝四甲酸二酐和一甲胺为原料，以脂肪醇催化制备苝系颜料的方法．系统研究了反应时间、温度、介质、物料比、催化剂等因素对颜料收率、色光、色力的影响，确定了最佳的工艺条件，使C．I．颜料红179粗品的收率达到了98．56％．     

水热合成掺杂稀土氧化镧的棕红色陶瓷颜料

采用水热法合成了含少量稀土La2O3的棕色陶瓷颜料，研究了不同稀土La2O3含量对颜料晶体结构以及颜色的影响规律，并采用颜色测定、SEM、XRD及能谱分析等手段对颜料的颜色、粒度及结晶构造等进行了表征。结果表明：合成颜料的粒度较小，在50nm～200nm之间；随La2O3含量的增加，颜料的晶相组成由Mn1．5Cr1.5O4晶体向Mn1．5Cr1．5O4，(Mn0.983Cr0．017)203和(Fe0．6Cr0．4)2O3的多晶结构转变，同时Mn1．5Cr1．504的晶格畸变程度增加；颜料的色饱和度和红度值在La2O3含量为1％时达到极大值。此外，颜料在陶瓷高温釉料中应用实验表明：该颜料可以在1320℃的高温釉中稳定着色。是一种较好的高温棕红色陶瓷颜料。     

3-羟基-2-萘甲酰歧化松香胺对 C.I. 颜料红57的性能改进

<正>Ｃ．Ｉ．颜料红５７系红色有机颜料主要品种,采用３－羟基－２－萘甲酰歧化松香胺共偶合,不变动原合成工艺,改性产品保持优良β－晶型,显蓝光,颜料颗粒显著变小,粒径分布变窄,着色力、透明度、鲜艳度明显提高。     

3—羟在—2—萘甲酰歧化松香胺对C.I.颜料红57的性能改进

Ｃ．Ｉ．颜料红５７系红色有机产主要品种，采用３－羟基－２－萘甲酰歧化松香胺共偶合，不变动原合成工艺，改性产品保持优良β－晶型，显蓝光、颜料颗粒显著变小，粒径分布变窄，着色力、透明度、鲜艳度明显提高。     

ZnO·xCaO·yP_2O_5三元化合物的合成表征及性能研究

本文以ＺｎＯ，ＣａＯ和Ｈ３ＰＯ４为原料，利用水热法合成出一种新型三元化合物－ＺｎＯ·ｘＣａＯ．ｙＰ２Ｏ５。其中，ｘ＝０．２～０．６，ｙ＝０．３～０．８（ｍｏ１）。ＸＲＤ物相分析证明产品主要为无定形态。ＳＥＭ形貌分析产品外观为针状纺锤形，长轴约为１μｍ，短轴约为０．２μｍ。ＩＲ光谱分析产品中的磷酸根离子局部对称性为正四面体结构。性能测试表明该产品在油漆、涂料行业中可用作防锈颜料，以代替传统的锌黄等有毒颜料，其特点是无毒、成本低、防锈性能超过国标１倍。     

透明氧化铁颜料生成条件的研究

在分散剂和表面活性剂的存在下，以硫酸亚铁为原料，利用溶剂萃取法制备透明氧化铁颜料．论述了反应物质量、空气流量及通入方式、反应温度等对产品性能的影响．     

惠州市华阳光学技术有限公司

正惠州市华阳光学技术有限公司成立于1996年12月,注册资本1200万元,厂房面积18000平方米。华阳光学致力于特效颜料/油墨的研发生产和应用推广,自主研发了"OCEP"光学变色颜料、"OCEI"光学变色油墨产品系列(OCEP、OCEI统称为光变产品),"美高锐""MagOri"磁性光变颜料/油墨,"美艾柔""MirrorAL"镜面铝颜料及油墨产品系列。华阳光学是全国第一家及目前国内唯一一家能稳定批量生产光学变色颜料的企业;也是迄今为止,全球第二、国内第一的光学变色颜料的规模化生产厂     

苯并咪唑酮型隐颜料的合成及应用

隐颜料是用于着色以及信息记录、照相显影、滤光器等领域的新材料．以C．I．颜料黄151和二碳酸二叔丁酯为主要原料合成了苯并咪唑酮型隐颜料，并采用红外光谱分析确定了合成反应的发生，通过加热转化法探索了隐颜料的应用条件．热重分析、红外光谱和紫外光谱表明，合成的隐颜料加热到140℃发生分解转化为母体颜料，加热转化法是隐颜料的有效应用方法．最后，将该隐颜料应用于聚氯乙烯薄膜的着色，电子显微镜分析显示膜中颜料粒子大小为20～40nm．     

西藏几种常见矿物颜料的成分分析

藏传颜料的使用具有悠久的历史,其作为物质与非物质文化载体而越来越受到关注。文章利用体视显微镜、拉曼分析(RS)、X荧光分析(EDXRF)等现代仪器分析技术,对几种常见藏传颜料进行成分分析,结果表明测试样品均为天然矿物颜料。其中,淡绿色颜料为石绿;两种蓝色颜料均为石青,由于纯度和提取方法的不同,使其在色度上有一定的差异;土黄色颜料由铁黄作为主色调色而成;黄、橘色颜料分别为雌黄和雄黄;红色颜料为朱砂。研究工作还显示,拉曼光谱法、X射线荧光光谱法和体视显微镜方法的结合能够完成藏传颜料的分析工作,且在文物颜料的无损与微损分析方面具有广阔的应用前景。     

有机溶剂对还原蓝RS晶型转换及着色性能的影响

用有机溶剂对还原染料还原蓝ＲＳ（Ｃ．Ｉ．还原蓝４）进行颜料化是到颜色鲜艳、着色性能较好的的颜料（Ｃ．Ｉ．颜料蓝６０），研究了有机溶剂溶解度参数及溶剂处理时间、温度对颜料晶型转变及着色性能的影响。     

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.     

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.     

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-