1673K下BaO-BaF2-Cr2O3渣系的热力学性种

１６７３Ｋ下,采用－Ｍｏ│Ｃｒ＋Ｃｒ２Ｏ３‖ＺｒＯ２（ＭｇＯ）‖｛Ｃｕ＋Ｃｒ｝ａｌｌｏｙ＋（Ｃｒ２Ｏ３）ｓｌａｇ│Ｍ固体电解质电池测定了ＢａＯ－ＢａＦ２－Ｃｒ２Ｏ３渣系中Ｃｒ２Ｏ３的活度,研究结果表明,Ｃｒ２Ｏ３的活度随其浓度升高而升高。随ＸＢａＯ／ＸＢａＦ２升高而降低。根据实验及Ｘ射线衍射结果推测了该渣系的等温相图,并作出了该渣系中Ｃｒ２Ｏ４的等活度图。     

1673K下BaO-BaF_2-Cr_2O_3渣系的热力学性质

１６７３Ｋ下,采用－ＭｏＣｒ＋Ｃｒ２Ｏ３ＺｒＯ２（ＭｇＯ）｛Ｃｕ＋Ｃｒ｝ａｌｏｙ＋（Ｃｒ２Ｏ３）ｓｌａｇＭｏ＋固体电解质电池测定了ＢａＯＢａＦ２Ｃｒ２Ｏ３渣系中Ｃｒ２Ｏ３的活度．研究结果表明,Ｃｒ２Ｏ３的活度随其浓度升高而升高,随ＸＢａＯ／ＸＢａＦ２升高而降低．根据实验及Ｘ射线衍射结果推测了该渣系的等温相图,并作出了该渣系中Ｃｒ２Ｏ３的等活度图．     

高磷酸盐容量脱磷剂的试验研究

介绍了不锈钢脱磷的不同方法，认为弱氧化脱磷是有前途的。用ＣａＯ－ＢａＯ－ＣａＦ２渣系对不锈钢脱磷进行了试验，证明采用２０％ＣａＯ，６０％ＢａＣＯ３，１５％ＣａＦ２，５％Ｃｒ２Ｏ３的组成渣，可以取得较为理想的脱磷效果     

含挥发性物质B2O3渣系活度的测定

根据渣－金化学平衡原理，以石墨作坩埚，在一个半密闭的石墨容器内，用铜作熔剂，测定了ＭｇＯ－Ｂ２Ｏ３渣系中Ｂ２Ｏ３的活度；用锡作熔剂，测定了ＣａＯ－Ｂ２Ｏ３渣系中ＣａＯ的活度，用α函数积分法分别计算了ＭｇＯ－Ｂ２Ｏ３渣系中ＭｇＯ的活度，ＣａＯ－Ｂ２Ｏ３渣系中Ｂ２Ｏ３的活度。实验结果表明，半密闭容器有效地抑制了Ｂ２Ｏ３在高温下的挥发，得到的活度曲线与文献报道的利用相图和生成自由能计算得到的结果相符。     

某些添加剂对Ti／PbO2电极上ClO4^—离子阳极形成过程的影响

本用分解极化曲线法研究了某些添加剂对Ｔｉ／ＰｂＯ２电极上ＣｌＯ４＾－离子阳极形成过程的影响，研究结果表明，Ｆ＾－，ＣｌＯ４＾－，ＢｒＯ３＾－，Ｂ４Ｏ７＾２－，Ｂａ＾２＋等离子均使ＣｌＯ４＾－的阳极形成电流效率提高，而Ｃｒ２Ｏ７＾２－，Ｓ２Ｏ８＾２－，ＳＯ４＾２－，ＭｏＯ４＾２－，ＩＯ４６－，Ｐ２Ｏ７＾４－，Ｆｅ（ＣＮ）６＾４－，Ｃａ＾２＋和Ｍｇ＾２＋等离子均使电流效率降低，根据假设的机理讨论了使     

甲烷氧化偶联Ba－ZrO_2催化剂的研究

发现掺有碱土金属组份的ＺｒＯ２样品形成ＡＺｒＯ３相，其对甲烷氧化偶联反应显示出相当好的催化活性和选择性（其中Ａ＝Ｃａ，Ｓｒ，Ｂａ，尤以Ｂａ为佳）．大量ＢａＣＯ３相的存在有利于进一步提高催化剂的选择性；对于９０ｍｏｌ％Ｂａ－ＺｒＯ２催化剂在７５０℃，６００００ｍｌ·ｇ－１·ｈ－１，ＣＨ４：Ｏ２：Ｎ２＝３．８：１．０：９．０（摩尔比）的条件下，Ｃ２烃选择性为５６．９％，Ｃ２烃得率达１７．２％．讨论了ＢａＣＯ３对几种催化剂的促进作用．     

甲烷氧化偶联Ba—ZrO2催化剂的研究

发现掺有碱土金属组份的ＺｒＯ２样品形成ＡＺｒＯ２，样品形成ＡＺｒＯ３相，其对甲烷氧化偶联反应显示出相当好的催化活性和选择性（其中Ａ＝Ｃａ，Ｓｒ，Ｂａ，尤以Ｂａ为佳）。大量ＢａＣＯ３相的存在有利于进一步提高催化剂的选择性；对于９０ｍｏｌ％Ｂａ－ＺｒＯ２，催化剂在７５０℃，６０００ｍｌ．ｇ＾－１．ｈ＾－１，ＣＨ４：Ｏ２：Ｎ２＝３．８：１．０：９．０（摩尔比）的条件下，Ｃ２烃选择性为５６．９％，ｃ2烃得     

LaBr3h·3H2O与冠醚18C6在乙腈中配合行为的相平衡及？…

采用半微量相平衡方法研究了三元体系ＬａＢｒ３·３Ｈ２Ｏ－１８Ｃ６－ＣＨ３ＣＮ在２５℃时的溶解度,测定了各饱和溶液的折光率。该体系在２５℃仅生成一种化学计量的配合物,组成为ＬａＢｒ３·１８Ｃ６·Ｈ２Ｏ,制备了固态配合物的组成和性质。     

BaB_2O_4－CaB_2O_4赝二元系相平衡的研究

用差热分析和Ｘ射线粉末衍射等方法研究了ＢａＢ２Ｏ４－ＣａＢ２Ｏ４赝二元系的相平衡关系．在该体系中发现了一个新的化合物２ＢａＢ２Ｏ４·ＣａＢ２Ｏ４，该化合物在１１１７±３℃同成分溶化．２ＢａＢ２Ｏ３·ＣａＢ２Ｏ４对ＢａＢ２Ｏ４和ＣａＢ２Ｏ４均为共晶体系，其共晶温度分别为１０７６±３℃和１０４６±３℃，共晶．点组成分别为１３．９ｍｏｌ％ＣａＢ２Ｏ４和６７．１８ｍｏｌ％ＣａＢ２Ｏ４．文中还对该化合物的结构进行了探索．     

钢包精炼渣成分的最优化

本文用正交设计方法对用于钢包精炼的ＣａＯ－ＳｉＯ２－Ａｌ２Ｏ３－ＭｇＯ－ＣａＦ２渣系成分进行优化，试验表明影响炉渣泡沫稳定性能的因素依次为碱度，ＣａＦ２，Ａｌ２Ｏ３和ＭｇＯ的含量，最佳的精炼渣组成为：ＣａＯ３９．３％，ＳｉＯ２１９．７％，Ａｌ２Ｏ３２５％，ＭｇＯ６％，ＣａＦ２１０％（Ｂ＝２）     

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。     

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.     

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.