双(三苯基锡)戊二酸酯的合成和晶体结构研究

用三苯基氯化锡与戊二酸二钠反应,合成了双(三苯基锡)戊二酸酯,X-射线单晶衍射表明,该化合物属三方晶系,空间群C2221晶胞参数a=1.5075(5)nm,b=4.8021(17)mn,c=2.8944(9)nm,α=90°,β=90°,γ=90°,V=20.953(12)nm3,Z=8,Dc=1.316 g/cm3,μ=1.226mm-1,F(000)=8280,R1=0.0546,wR2=0.1182.晶体结构中存在5种化学环境不同的三角双锥构型的锡原子,由于配体中两个羧基在不同方向的交联作用,使化合物呈现三维骨架结构.     

三苄基锡吗啉二硫代氨基甲酸酯和二苄基锡双吗啉二硫代氨基甲酸酯的晶体结构

利用三苄基氯化锡,二苄基二氯化锡和吗啉二硫代氨基甲酸酯钠反应,合成了三苄基锡吗啉二硫代氨基甲酸酯（1）和二苄基锡双吗啉二硫代氨基甲酸酯（2）;通过元素分析、红外光谱、核磁共振氢谱和质谱对其结构进行了表征.用X-射线单晶衍射测定了这两个化合物的晶体结构.化合物1为三斜晶系,空间群P1,a=0.984 17（16nm）,b=1.08 163（19）nm,c=72.850（3）°,β=88.895（3）°,γ=64.231（3）°,Z=2,V=1.2528（4）nm3,Dx=1.469 g/cm3,μ=1.204 mm-1,F（000）=564,R=0.0328,wR=0.0995.化合物2为正交晶系,空间群Pca21,a=1.832 7（3）nm,b=0.656 78（12 nm）,c=2.258 3（4）nm,α=90°,β=90°,γ=90°,Z=4,V=2.718（9）nm3,Dx=1.258 g/cm3,μ=1.271 mm-1,F（000）=1272,R=0.043 4,wR=0.115 2.在1的晶体中,锡原子呈现五配位畸变三角双锥构型;2的晶体则是六配位的畸变八面体构型.     

三苄基吗啉荒酸基锡的合成及晶体结构研究

以三苄基氯化锡和吗啉荒酸钠为原料,合成了三苄吗啉荒酸基锡.通过X-射线单晶衍射测定了它们的晶体结构.晶体结构为:三斜晶系,空间群P-1,a=0.984 17（16）nm,b=1.081 63（19）nm,c=1.378 8（2）nm,a=72.850（3）°,β=88.895（3）°,γ=64.231（3）°,Z=2,V=1.252 8（4）nm3,Dx=1.469 g/cm3,μ=1.204 mm-1,F（000）=564,R=0.032 8,wR=0.099 5（I≥2σ（I））,对配位中心锡原子而言,属于五配位的扭曲三角双锥结构.     

链状铜配合物[Cu(bipy)_2Cl]_2Cl_2·nH_2O(bipy=2,2′-联吡啶)水热合成

利用水热合成方法制备了一种新颖的由π-π堆积形成的链状二价铜配合物[Cu(bipy)2Cl]2Cl2·nH2O(bipy=2,2'-联吡啶),并用单晶衍射仪测定了其晶体结构,在2K～300K之间测定其磁化率.结果表明:该化合物为单斜晶系,P2/c空间群,a=1.2328(3)nm,b=1.4781(3)nm,c=1.4311(3)nm,α=90°,β=108.51(3)°,γ=90°,V=2.4730(9)nm3;8K～298K之间标题化合物呈现明显的铁磁性耦合相互作用,在2K～8K范围内却呈现出反铁磁性相互作用的特征.元素分析及红外光谱进一步佐证了化合物的结构.     

双三(邻氯苄基锡)哌嗪二荒酸酯的合成、表征和晶体结构

合成了双核有机锡化合物双(三邻氯苄基锡)哌嗪二荒酸酯.通过元素分析、红外光谱和核磁共振氢谱对其结构进行了表征.用X-射线单晶衍射测定了这两个化合物的晶体结构.化合物晶体为单斜晶系,空间群P21／c,a=1.032(2)nm,b=2.569(5)nm,c=1.033(2)nm,β=115.22(3)°,Z=2,V=2.478(8)nm3,Dc=1.644 g／cm3,μ=1.536 mm-1,F(000)=1 224,R1=0.0453,wR2=0.084 3.在该化合物中,锡原子呈五配位畸变三角双锥构型.     

[Cu(C_7H_5O_2)_2]·(C_4H_5N_2)的合成与晶体结构

报道了标题化合物的合成及晶体结构 .经 X射线单晶结构分析结果表明 ,该配合物 [Cu(C7H5O2 ) 2 ]·(C4 H5N3)属三斜晶系 ,空间群为 Pī,晶胞参数 a=0 .72 73(11) nm ,b=0 .9182 (14 ) nm,c=1.384 (2 ) nm,α=10 8.96 (2 )°,γ=94 .0 6 (2 )°,γ=96 .80 (2 )°,U=0 .86 2 (2 ) nm3,Z=2 ,F(0 0 0 ) =4 10 ,Dc=1.5 4 4 mg/ m3.最终偏差因子 R[I≥ 2 σ(I) ]a:R1 =0 .0 787,w R2 =0 .16 5 9     

H3O[Zn（Phen）3]2[PMo2^（Ⅴ）Mo10^（Ⅳ）O40]的合成与晶体结构

利用中温水热技术合成了Keggin型结构钼磷多金属氧酸盐H3O[Zn(phen)3]2[PMo(Ⅴ)2Mo(Ⅵ)10O40],并测定了其晶体结构.该化合物属于单斜晶系;C2/c空间群,晶胞参数a=1.980 2(4) nm,b=1.813 4(4) nm,c=2.508 5(5) nm,α=90.00°,β=100.44(3)0°,γ=90.00°,V=8.860(3) nm3,Z=4,R1=0.044 2,wR2=0.140 3.     

二苯碳酰二肼乙腈溶剂化物合成及晶体结构

该文合成了标题化合物 (PhNHNH) 2 CO·CH3 CN ,得到其棕色四棱柱状晶体 ,结构通过单晶X射线衍射法确定。晶体属单斜晶系 ,空间群为P2 1/n ,晶胞参数a =0 .5 781(8)nm ,b =1.5 32 0 (1)nm ,c =1.746 9(1)nm ,β =97.476 0°,V=1.5 34 2 (1)nm3 ,Z=4,重要的非氢原子基团C6—N1—N2—C7,和C7—N3—N4—C8各自的扭转角分别为 6 3.8(3)°和 93.3(2 )°。     

无机-有机杂化钼磷、钒钼磷多酸化合物的合成与结构

通过对V2 O5 ,Na2 MoO4·2H2 O ,HF ,Ni(NO3) 2 ·6H2 O ,H3PO4和吡啶体系水热反应的研究 ,合成并表征了无机 -有机杂多酸化合物 [C5 H6 N] 3[C5 H5 N][PMo12 O40 ] ( 1 ) ,[C5 H6 N] 4[PVMo11O40 ] ( 2 )和 [C5 H6 N] 4[HPV2 Mo10 O40 ] ( 3 ) .化合物( 1 )属单斜晶系 ,C/ 2c空间群 ,a =2 .1 867( 6)nm ,b =1 .3 978( 4)nm ,c =1 .663 3( 3 )nm ,β =1 0 5.73 ( 1 0 )°,V =4 .893nm3,R =0 .0 60 4 ,Z =4 ;化合物 ( 2 )属单斜晶系 ,C/ 2c空间群 ,a =2 .1 858( 4)nm ,b =1 .3 971 ( 3 )nm ,c =1 .663 5( 3 )nm ,β =1 0 5.83 ( 3 )°,V =4 .8873 ( 1 7)nm3,Z =4 ,R =0 .0 4 63 ;化合物 ( 3 )属单斜晶系 ,P2 1n空间群 ,a =1 .1 1 2 2 ( 2 )nm ,b =1 .94 1 2 ( 3 )nm ,c=1 .2 4 84 ( 3 )nm ,β =99.89( 3 )°,V =2 .6565( 9)nm3,Z =2 ,R =0 .0 690 .     

质子化N，N＇-双（吡啶基-2-亚甲基）-1，4-二氮环庚烷高氯酸盐的合成、表征和晶体结构研究

合成并表征了一个吡啶功能化1,4-二氮环庚烷(DACH)化合物[N,N'-双(吡啶基-2-亚甲基)-1,4-二氮环庚烷]的质子化高氯酸盐. 用X-射线衍射技术测定了标题化合物H4BPDACH·(ClO4)4·1.5H2O (1)的晶体结构三斜晶系,P-1空间群,晶胞参数a=0.791 1(5) nm, b=1.269 5(9) nm, c=1.517 8(11) nm, α=104.448(13)°, β=102.383(13) °, γ= 92.159(12) °, V=1.435 2(17) nm3, Z=2. 化合物1的不对称单元中包含两个晶体学独立的[H4BPDACH]4+阳离子,其中DACH环均采取类似的船式构象,但两个侧臂吡啶环分别采取顺势和反式排列. 质子化NH基团和溶剂及阴离子之间存在多重氢键相互作用,这进一步稳定了此结构.     

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.     

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.     

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.     

A computer generator for randomly layered structures

AcomputergeneratorforrandomlylayeredstructuresYUJia shun1,2,HEZhen hua2(1.TheInstituteofGeologicalandNuclearSciences,NewZealand;2.StateKeyLaboratoryofOilandGasReservoirGeologyandExploitation,ChengduUniversityofTechnology,China)Abstract:Analgorithmisintrod…     

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.     

An Index mechanism for multi-scale view in spatial databases

There are numerous geometric objects stored in the spatial databases. An importance function in a spatial database is that users can browse the geometric objects as a map efficiently. Thus the spatial database should display the geometric objects users concern about swiftly onto the display window. This process includes two operations:retrieve data from database and then draw them onto screen. Accordingly, to improve the efficiency, we should try to reduce time of both retrieving object and displaying them. The former can be achieved with the aid of spatial index such as R-tree, the latter require to simplify the objects. Simplification means that objects are shown with sufficient but not with unnecessary detail which depend on the scale of browse. So the major problem is how to retrieve data at different detail level efficiently. This paper introduces the implementation of a multi-scale index in the spatial database SISP (Spatial Information Shared Platform) which is generalized from R-tree. The difference between the generalization and the R-tree lies on two facets: One is that every node and geometric object in the generalization is assigned with a importance value which denote the importance of them, and every vertex in the objects are assigned with a importance value,too. The importance value can be use to decide which data should be retrieve from disk in a query. The other difference is that geometric objects in the generalization are divided into one or more sub-blocks, and vertexes are total ordered by their importance value. With the help of the generalized R-tree, one can easily retrieve data at different detail levels.Some experiments are performed on real-life data to evaluate the performance of solutions that separately use normal spatial index and multi-scale spatial index. The results show that the solution using multi-scale index in SISP is satisfying.     

海南岛地体及其毗邻陆缘晚中生代—新生代古地磁研究和构造演化

本文叙述了对海南岛及其毗邻大陆边缘白垩纪到第四纪地层岩石进行古地磁研究的全部工作过程。通过分析岩石中剩余磁矢量的磁偏角及磁倾角的变化,提出海南岛白垩纪以来经历的构造演化模式如下:早期伴随顺时针旋转而向南迁移,后期伴随逆时针转动并向北运移。联系该地区及邻区的地质、地球物理资料,对海南岛上述的构造地体运动提出以下认识:北部湾内早期有一拉张作用,主要是该作用使湾内地壳显著伸长减薄,形成北部湾盆地。从而导致了海南岛的早期构造运动,而海南岛后期的构造运动则主要是受南海海底扩张的影响。海南地体运动规律的阐明对于了解北部湾油气盆地的形成演化有重要的理论和实际意义。     

Jane Eyre——A Feminist In The 19th Century

In the 19th century the society was controlled by men, and women were just appendants of them, they had not any rights and freedom. But Jane was an exception, she showed some characteristics of early feminist. Jane showed her characteristics of feminism in three aspects: rebellion, equality, and independence. These characteristics were helpful to her success, and feminism is the only way out for women of that time.     

《Chinese Science Bulletin》SUBJECT INDEX TO VOLUME 59(2014)

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