以3—缩甘油氧丙基三甲氧基硅烷交联制备PEG—20M玻璃…

以ＰＥＧ－２０Ｍ为固定相，三氟化硼为催化剂，３－缩甘油氧丙基三甲氧基硅烷（简称ＫＨ－５６０）为交联剂，二氯甲烷为溶剂，对预先用氯化钠沉积法粗糙化的玻璃毛细管柱进行动态涂渍。涂渍好的柱在１５０℃恒温４ｈ进行交联。对交联柱的性能进行了严格的评价。     

交联PEG－20M玻璃毛细管色谱柱的研制

采用３－缩甘油氧丙基三甲基硅烷（ＫＨ－５６０）为交联剂，以ＢＦ３为催化剂，在１５０℃下制备交联ＰＥＧ－２０Ｍ玻璃毛细管色谱柱．探讨了该色谱柱的柱效、涂渍效率、交联度、热稳定性、耐溶剂性等，取得较满意的结果．     

交联PEG—20M玻璃毛细管色谱柱的研制

采用３－缩甘油氧丙基三甲基硅烷（ＫＨ－５６０）为交联剂，以ＢＦ３为催化剂，在１５０℃下制备交联ＰＥＧ－２０Ｍ玻璃毛细管色谱柱，探讨了该色谱柱的柱效、涂渍效率、交联度、热稳定性、耐溶剂性等，取得较满意的结果。     

超动态法研制交联PEG－20M弹性石英毛细管柱

采用超动态的方法涂渍，以过氧化二异丙苯（ＤＣＵＰ）作为引发剂制备了支联ＰＥＧ－２０Ｍ弹性石英毛细管柱；考查了固定相浓度对柱效的影响，结果证明固定相浓度为１．９％时，涂渍效率在９０％以上，柱效和容量因子也较高．     

超动态法研制交联PEG—20M弹性石英毛细管柱

采用超动态的方法涂渍，以过氧化二异丙苯作为引发剂制备了交联ＰＥＧ－２０Ｍ弹性石英毛细管柱；考查了固定相浓度对柱效的影响，结果证明固定相浓度为１．９％的，涂清效率在９０％以上，柱效和容量因子也较高。     

苯并－15－冠－5用作气相色谱固定液的色谱性能研究

研究了苯并－１５－冠－５用作气相色谱固定液的热稳定性、化学稳定性、极性、选择性和使用温度范围等色谱性能，并初步探讨其分离机理。将苯并－１５－冠－５直接涂渍在１０２白色担体上制备而成的填充柱，能在较低的柱温下，对Ｃ＿１－Ｃ＿６脂肪醇、Ｃ＿１－Ｃ＿６脂肪酸乙酯和乳酸乙酯以及其它有机混合物进行良好的色谱分离。     

填充柱气相色谱固定相吸滤涂渍法

对一种新的气相色谱固定相制备形式－－吸滤涂渍法进行了初步研究。结果显示：与常规涂渍法制备的色谱柱相比,当氢气为载气,孔径为０１８～０３０ｍｍ的６２０１红色载体涂渍不同配比的邻苯二甲酸二壬酯时,此类柱子在３０～８０ｍｌ·ｍｉｎ－１范围内Ｈｅｆｆ～Ｆ曲线平滑。小范围温度波动（△ｔ＝２０～３０℃）和大范围配比变化（５％～１７％）对Ｈｅｆ～Ｆ曲线的形状影响不大,且（Ｈｅｆ）ｍｉｎ总在２ｍｍ上下。几乎在所有测试条件下吸滤涂渍法制备的色谱柱的柱效都高于常规涂渍法,增加的百分率在１８％～１８７％不等。     

聚乙二醇—20M丙烯酸酯交联玻璃毛细管柱的制备

聚乙二醇-20M可以用丙烯酰氯酯化,从而在固定液分子的端基中引入烯烃双键。制备的酯的二氯甲烷溶液,混入相当于酯量的0.5～1％的偶氮二异丁腈(AIBN)用来对玻璃毛细管柱进行动态涂渍。毛细管内壁预先用氯化钠沉积法粗糙化。涂渍好的柱在100℃加热1.5～2h进行交联。改性并交联的PEG-20M柱的性能用色谱方法进行了评价并对此种柱与一般非交联的PEG-20M柱的极性作了比较。     

溶胶-凝胶气相色谱柱的柱容量的研究

新型的溶胶—凝胶毛细管气相色谱柱除了具有热稳定性高及分离效果好的特点外，此色谱柱的柱容量(sample capacity)数倍于传统的用静态法涂渍固定相并用交联反应使之固载化的色谱柱的柱容量．在两种不同的色谱柱上，逐渐增加试样的进样量，柱效率随之变化．进样量对柱效率的影响清楚地表明了溶胶—凝胶柱的柱容量远高于传统柱．     

苯并—15冠—5用作气相色谱固定液的色谱性能研究

研究了苯并－１５冠－５用作气相色谱固定液的热稳定性，化学稳定性，极性，选择性和使用温度范围等色谱性能，并初步探讨其分离机理，将苯并－１５冠－５直接涂渍在１０２白色担体上制备而成的填充柱，能在较低的柱温下，对Ｃ１－Ｃ６脂肪醇、Ｃ１－Ｃ６脂肪酸乙酯和乳酸乙酯以及其它有机混合物进行良好的色谱分离。     

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.