贵金属元素的薄层色谱分离

以乙酰丙酮（ａｃａｃ）－盐酸为流动相，对Ａｕ（Ⅲ），Ｒｕ（Ⅲ）Ｒｈ（Ⅲ）Ｐｄ（Ⅱ），Ｏｓ（Ⅳ）和Ｐｔ（Ⅳ）等贵金属离子在硅胶薄层上的色谱行为进行了研究。建立了以２．５％的盐酸－乙酰丙酮溶液为流动相，在普通硅胶薄层上对五元贵金属离子混合物进行－次性快速分离的简便方法。结果表明，各相邻离子的分离度均大于１，色斑集中，检出　　　　限量为４μｇ。     

蛋重对海兰褐种蛋孵化效果的影响

将海兰褐种蛋按蛋重分为Ⅰ组（50.0～53.9 g）,Ⅱ组（54.0～57.9 g）,Ⅲ组（58.0～61.9g）,Ⅳ组（62.0～65.9 g）组进行孵化.结果表明,Ⅱ组种蛋受精率、受精蛋孵化率及入孵蛋孵化率最高,其余依次为Ⅲ组、Ⅳ组、Ⅰ组.而早期死胚率以Ⅱ组最低,其余依次为Ⅳ组、Ⅲ组、Ⅰ组.随胚龄的增长,雏鸡胚蛋相对失重增加,至18胚龄时,Ⅱ组相对失重分别比Ⅰ组、Ⅲ组、Ⅳ组显著降低0.84%,0.27%,0.65%.Ⅰ组、Ⅲ组、Ⅳ组差异不显著.雏鸡初生重随蛋重的增加而显著增大,平均初生重占蛋重的比例为70.13%.     

改进氧瓶燃烧－氢化物发生原子荧光法测定淀粉中微量汞

用连续通O2、连续排放燃烧废气及采用吸收液吸收被测组分的改进氧瓶燃烧法处理淀粉试样,用氢化物发生原子荧光光谱法测定淀粉中的汞含量。当通O2量为300mL／min时,1．5g淀粉试样在10min内可完全燃烧。经装有冷却的10mL含0．5g／L（NH4）2S2O8的（5＋95）HNO3溶液将汞氧化吸收为Hg^2＋后排出废气,制成的汞试液用氢化物发生原子荧光光谱法测定。汞的回收率为91．0％～95．5％,相对标准偏差5．1％。当相对误差在±5％时,500倍的Zn^2＋、Cd^2＋,300倍的Pb^2＋,100倍的As（Ⅲ）、Sb（Ⅲ）、Bi（Ⅲ）、Ge（Ⅳ）、Se（Ⅳ）不干扰测定。改进的氧瓶燃烧法为处理试样量大的有机物中痕量组分测定提供了一种简单、快速、廉价的新方法。     

苯甲酰偶氮-2.4-二氨基甲苯氨丙基键合硅胶富集分离痕量元素的研究

本文研究了苯甲酰偶氮２．４二氨基甲苯氨丙基键合硅胶对痕量Ｐｄ（Ⅱ）、Ｆｅ（Ⅲ）、Ｈｇ（Ⅱ）、ＵＯ２（Ⅱ）、Ｐｔ（Ⅳ）的吸附情况，从而在文献的基础上进行了Ｐｄ（Ⅱ）与常见金属离子的分离、以及痕量Ｐｄ（Ⅱ）在多种干扰离子存在下富集情况的研究，还进行了ＵＯ２（Ⅱ）与Ｐｔ（Ⅳ）、Ｐｄ（Ⅱ）分离的研究。     

狼疮性肾炎临床病理56例分析

目的探讨狼疮性肾炎（LN）的病理特点、分析病理改变与临床表现之间的关系。方法回顾性分析狼疮性肾炎患者56例病历资料，在B超下行肾活检，进行病理分型。标本分别做直接免疫荧光、光镜和部分送检电镜检查，并对患者的临床表现进行分析。结果IIa、Ⅱb、Ⅲ、IV、Ⅲ＋V、Ⅳ＋V、V型各占3．6％、12．5％、10．7％、42．9％、8．9％、7．1％、14．3％。Ⅱ型多表现为隐匿性。肾炎；Ⅲ型多表现为肾炎综合症；V型和Ⅳ＋V多表现为肾病综合症；IV型多表现为肾病综合症和肾炎综合症。Ⅳ型和Ⅳ＋V型的AI和CI评分要高于其他类型。结论狼疮性肾炎的病理类型与临床表现、实验室检查有一定的联系；肾活检对判断疾病活动性，指导治疗与估计预后有重要意义。     

异叶败酱化学成分的研究及体外细胞毒性检测

采用硅胶柱色谱法对异叶败酱（Patrinia heterophylla Bunge.）化学成分进行了研究．通过理化性质及波谱学方法对分离得到的化合物进行结构鉴定，并运用SRB法对分离的部分化合物进行体外细胞毒性测试．从该植物中分离鉴定了10个化合物，分别为：软木三萜酮（I），齐墩果酸（Ⅱ），熊果酸（Ⅲ），常春藤皂甙元（Ⅳ），海棠果醇（V），齐墩果酸-3—O-α—L-吡喃阿拉伯糖苷（Ⅵ），β-香树精（Ⅶ），α-香树精（Ⅷ），β-谷甾醇（Ⅸ），胡萝卜苷（X），除化合物Ⅱ之外，其余化合物都是首次从该植物中分离得到．SRB法结果表明：化合物Ⅱ、Ⅲ、Ⅳ和Ⅵ有较强的细胞毒性．     

短蛸消化系统粘液细胞的类型与分布

采用阿新兰和过碘酸雪夫氏反应（AB-PAS）染色法对短蛸（Octopus ocellatus）消化系统各器官中粘液细胞的类型和分布进行了研究．将粘液细胞分为红色（Ⅰ）、蓝色（Ⅱ）、紫红色（Ⅲ）和蓝紫色（Ⅳ）4种类型．短蛸口膜、口球、胃盲囊、肠、直肠、肛门侧瓣、前唾液腺和后唾液腺均有粘液细胞分布，而食道、嗉囊、胃和肝胰脏没有粘液细胞分布．口膜外上皮内粘液细胞较多，多为Ⅱ型；口球中副舌腺内含大量粘液细胞，多为Ⅱ型．胃盲囊侧褶基部粘液细胞较多，其中Ⅰ型最多，Ⅱ型次之，Ⅲ型和Ⅳ型很少；侧褶中部小褶上的粘液细胞全为Ⅱ型；侧褶游离端粘液细胞全为Ⅰ型．肠、直肠和肛门侧瓣粘膜上皮内均有大量粘液细胞，多为Ⅱ型．前、后唾液腺内均存在大量粘液细胞，其中前唾液腺中多为Ⅰ型和Ⅲ型，后唾液腺中Ⅳ型最多，Ⅱ型次之，Ⅰ型和Ⅲ型较少．     

宁杭客运专线轨道基准网GRN测量技术

宁杭客运专线设计铺设CRTS Ⅱ型板式无砟轨道,为保证无砟轨道的高平顺性建设目标。必须依据轨道控制网（CPⅢ）进行高精度的轨道基准网（GRN）测设,轨道基准网是CRTS Ⅱ型轨道板精调的依据,具有重要的意义。本文从轨道基准网GRN布设、观测方法及数据处理等方面,系统对轨道基准网GRN建网测量技术进行研究和应用,填补我单位在高速铁路建设测量技术方面的空白。     

关于“空盒问题”中概率的近似计算及其应用

该文讨论了“空盒问题”中概率的近似计算问题，获得了近似计算公式（Ⅱ）、（Ⅲ）、（Ⅳ）和（Ⅴ）。另夕卜，还给出了“空盒问题”在电话信息台收费中的应用例子。     

以聚醚型低聚物为流动载体的液膜体系中金（Ⅲ）的迁移特性

本文以聚醚型低聚物ＰＯＡ为流动载体，采用整体型液膜装置，在ＨＡｕＣｌ４（ａｑ．）１，２－二氯乙烷／硫脲（ａｑ．）体系中研究了金（Ⅲ）的迁移特性。结果表明：金（Ⅲ）的迁移速率和迁移率与原料液中金（Ⅲ）的浓度，膜相中流动载体的浓度，接收相中硫脲浓度以及介质酸度等因素有关。ＰＯＡ载体可分别从Ａｕ（Ⅲ）－Ｐｔ（Ⅳ）和Ａｕ（Ⅲ）－Ｃｕ（Ⅱ）－Ｋ（Ⅰ）混合液中选择性地迁多金（Ⅲ），而迁移其它离子。     

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.     

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.     

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.     

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。     

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.