相转移催化法合成N—1—芳基,—乙酰基,—羧甲氧烷基苯？…

报道了以聚乙二醇为相转移催化剂合成１－（１－Ｈ－本并三唑基）－２，４－二硝基苯，１－「α－（１－Ｈ－苯并三唑基）」乙酰苯并三唑和两个１－（１－Ｈ－苯并三唑基）烷氧乙酸。本法反应时间短，产率令人满意。初步的生物活性测定结果表明，化合物Ⅰ，Ⅲａ和Ⅲｂ均具有较强的抑菌作用。     

1－（1－H－苯并三唑－1－乙酰基）－4－苯甲酰基氨基硫脲及其噻二唑和三唑啉衍生物的合成

于固液相转移条件下，以ＰＥＧ－６００为相转移催化剂，通过苯并三唑与氯乙酸乙酯反应，合成了１－Ｈ－苯并三唑－１－乙酸乙酯（Ⅱ）．Ⅱ与８５％的水合肼反应，制得相应的酰肼（Ⅲ）．Ⅲ与苯甲酰基异硫氰酸酯反应，则得１－（１－Ｈ－苯并三唑－１－乙酰基）－４－苯甲酰基氨基硫脲（Ⅳ）．Ⅳ在酸或碱存在下环化，分别得到１，３，４－噻二唑（Ⅴ）和１，２，４－三唑啉－５－硫酮。     

9-(3,5-二溴)水杨基荧光酮-铝-CTMAB三元络合物显色反应的研究及应用

研究了９－（３,５－二溴）水杨基荧光酮（简称ＤＢＳＦ）－铝－表面活性剂溴化十六烷基三甲胺（ＣＴＭＡＢ）的显色反应条件和光度性质．在ｐＨ５．１０的六次甲基四胺－ＨＣｌ缓冲介质中,当加入ＣＴＭＡＢ后,Ａｌ（Ⅲ）与试剂形成灵敏度较高的三元胶束配合物,最大吸收峰位于５６０ｎｍ处,表现摩尔吸光系数为１．９４×１０５Ｌ·ｍｏｌ－１·ｃｍ－１,铝（Ⅲ）含量在０～６μｇ／２５ｍｌ范围内符合比耳定律．拟定方法在掩蔽剂存在下,测定了铁黄铜,铸造铜等样品中铝的含量,结果与标准值相符     

铁(Ⅲ)-9-(3,5-二溴)水杨基荧光酮-溴化十六烷基三甲基铵显色体系的分光光度法研究及应用

研究了铁（Ⅲ）－９－（３,５－二溴）水杨基荧光酮－ＣＴＭＡＢ三元络合物的显色反应条件,在ｐＨ６．０～７．２的ＫＨ２ＰＯ４－ＮａＯＨ缓冲体系中,铁（Ⅲ）与９－（３,５－二溴）水杨基荧光酮形成１∶４的络合物,其最大吸收波长λｍａｘ＝５９０ｎｍ,表观摩尔吸光系数为１．７２×１０５Ｌ·ｍｏｌ－１·ｃｍ－１,铁含量在０～６μｇ／２５ｍＬ范围内符合比耳定律．方法灵敏度高,选择性较好,络合物稳定,用于牛肝粉和茶叶中微量铁的测定,结果满意     

含二茂铁基及苯并三唑类的酰腙化合物的合成

以１Ｈ－苯并三唑１－１乙酰肼与甲酰基二茂铁，乙酰基二茂铁，１，１＇－双乙酰基二茂铁缩合得到了３个二茂铁亚甲基－１Ｈ－苯并三唑乙酰腙，并通过元素分析，ＩＲ，＾１ＨＮＭＲ，＾１３ＣＮＭＲ等进行了表征。     

二-(2-乙基己基)磷酸萃取镓(Ⅲ)的机理

研究了二－（２－乙基己基）磷酸（ＨＡ）－甲苯从氯化物介质中萃取镓（Ⅲ）的平衡．发现体系中同时存在两种萃取平衡，生成ＧａＣｌＡ２２ＨＡ和ＧａＡ３３ＨＡ两种萃合物．求得了不同温度下两平行反应的平衡常数，测得了各反应的热焓；同时实验证明二－（２－乙基己基）亚砜（ＤＥＨＳＯ）、磷酸三丁酯（ＴＢＰ）、三苯基氧膦（ＴＰＰＯ）对ＨＤＥＨＰ萃取镓（Ⅲ）无明显的协同作用．     

从含有大量Ag（Ⅰ）和Cu（Ⅱ）的HNO＿3溶液中分离In（Ⅲ）的方法研究

利用二－（２－乙基已基）磷酸（ＨＤＥＨＰ）、异丙醚和乙醚溶剂萃取Ｉｎ（Ⅲ），并测定了Ｉｎ（Ⅲ）在有机相和水相之间的分配比．Ｉｎ（Ⅲ）在ＨＤＥＨＰ－ＨＮＯ＿３、ＨＤＥＨＰ－ＨＣｌＯ＿４和异丙醚－ＨＢｒ体系中的化学产额依次为９５．２％，９１．７％和８９．２％，在１ｍＬ的ＩｎＣｌ＿３医用放射性核素制剂中，Ｃｕ，Ｆｅ和Ａｇ杂素元素的含量依次不大于０．０４μｇ，０．１５μｇ和２．１μｇ。     

新试剂6-(2-羟基-4-二乙基氨苯偶氮)-2,3-二氢-1.4-酞嗪二酮的电化学发光研究

应用自制的ＥＣＬ－１型电致化学发光仪，对新试剂６－（２－羟基－４－二乙基氨苯偶氮）－２．３－二氢－１，４－酞嗪二酮（ＨＤＥＡ）在Ｎａ２ＣＯ３－ＮａＨＣＯ３缓冲介质中的电化学发光行为作了研究．结果发现，当介质ｐＨ值为 １０．５４时，在一定的实验条件下，施加 １．７Ｖ （ＶＳ．ＳＣＥ）三角波脉冲电压，体系的发光强度与ＨＤＥＡ浓度在５．０ × １０－９～１．０×１０－６ｍｏｌ／Ｌ范围内呈线性关系，反应的检测限达１．０×１０－９ｍｏｌ／Ｌ．     

不对称的双(杂芳基)烷类的合成

甲基Ｎ－（α一苯并三唑烷基）氨基甲酸脂２ａ．用１当量杂环化合物处理时，形成苯并三唑取代的杂环化合物、在温和的条件下，这些中间物进一步同其它杂环化合物反应，得到不对称的１、１－双（杂环基）烷类，产率很好。     

金属-氨基多羧酸类配合物分子和晶体结构的研究(Ⅲ)——K〔Fe~Ⅲ(ida)_2〕·3H_2O配合物的合成及结构测定

本文报导了Ｋ〔ＦｅⅢ（ｉｄａ）２〕·３Ｈ２Ｏ（ｉｄａ２－＝氨基二乙酸根）配合物的合成及它的分子结构和晶体结构的测定．具体结果如下：正交晶系，Ｐｂｃｎ空间群，ａ＝１８．７６５（３），ｂ＝１０．４４７（３），ｃ＝１５．６４５（２），ｖ＝３０６７（１）３，单位晶胞中的分子数为８，Ｄｃ＝１．７８ｇ·ｃｍ－３，Ｄｏ＝１．７２ｇ·ｃｍ－３，μ＝１．３１４ｍｍ－１，Ｆ（０００）＝１６８８，对于２７６７个独立的衍射点，它的Ｒ和Ｒｗ值分别为０．０５２和０．０４７．其中〔ＦⅢ（ｉｄａ）２〕－是一个Ｎ和Ｎ顺位的近似八面体结构．由此可知具有对称电子结构（ｈｉｇｈ－ｓｐｉｎｄ５）的ＦｅⅢ与被看成是ｅｄｔａ４－（＝乙二胺四乙酸根）去掉了ＣＨ２—ＣＨ２基团的双ｉｄａ２－配体形成的配合物只能选择六配位的八面体结构     

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.     

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.     

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.     

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.     

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。     

Quantitative trait loci （QTLs） for quality traits related to protein and starch in wheat

Quality traits in wheat （Triticum aestirum L.） were studied by quantitative trait locus （QTL） analysis in a recombinant inbred line （RIL） population, a set of 131 lines derived from Chuan 35050 × Shannong 483 cross （ChSh）. Grains from RILs were assayed for 21 quality traits related to protein and starch. A total of 35 putative QTLs for 19 traits with a single QTL explaining 7.99-40.52% of phenotypic variations were detected on 10 chromosomes, 1D, 2A, 2D, 3B, 3D, 5A, 6A, 6B, 6D, and 7B. The additive effects of 30 QTLs were positive, contributed by Chuan 35050, the remaining 5 QTLs were negative with the additive effect contributed by Shannong 483. For protein traits, 15 QTLs were obtained and most of them were located on chromosomes 1 D, 3B and 6D, while 20 QTLs for starch traits were detected and most of them were located on chromosomes 3D, 6B and 7B. Only 7 QTLs for protein and starch traits were co-located in three regions on chromosomes 1D, 2A and 2D. These protein and starch trait QTLs showed a distinct distribution pattern in certain regions and chromosomes. Twenty-two QTLs were clustered in 6 regions of 5 chromosomes. Two QTL clusters for protein traits were located on chromosomes 1D and 3B, respectively, three clusters for starch traits on chromosomes 3D, 6B and 7B, and one cluster including protein and starch traits on chromosome 1D.     

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.