静脉输注极化镁溶液对急性心肌梗塞心律失常的影响

将71例急性心肌梗塞（AMI）患者随机分为2组，极化镁组33例，每日输注25％硫酸镁8ml，加入50mml极化液中静点，连用2周；对照组38例，每日输往极化液500ml。对其心电监护及常规12心导联心电图分析，结果发现：极化镁组与对照组室上性心律失常及传导阻滞无显著性差异（P＞0．05）．而极化镁组的室性心律失常的发生率明显低于对照组（P＜0．001），与对照组有非常显著性差异。以上表明静脉输注极化镁有抗心律失常，预防心律失常作用，是一种较为有效、理想、安全和简便的方法。     

阿托伐他汀联合神经内分泌拮抗剂治疗慢性心衰的疗效观察

目的探讨他汀类药物阿托伐他汀联合神经内分泌拮抗剂治疗慢性心力衰竭（CHF）的疗效及安全性。方法将人选的69例CHF患者随机分为两组,对照组（常规治疗组,n=34）服用S阻滞剂、ACEI和利尿剂,治疗组（他汀治疗组,n=35）在常规治疗的基础上加服阿托伐他汀（20mg／d）,连续用药1年,出院后随访观察1年,采用超声心动图进行疗效观察。结果治疗组较对照组左室射血分数（LVEF）提高20．23％（P〈0．005）;治疗组左室舒张期末内径、左室收缩期末内径均显著低于对照组（P〈0．005）;治疗组较对照组心律失常（如房颤等）发生率下降26．98％（P〈0．01）、再次住院率下降30．68％（P〈0．01）、死亡率下降29．58％（P〈0．01）。结论阿托伐他汀联合神经内分泌拮抗剂治疗慢性缺血性和非缺血性cHF患者疗效明显,安全性较高。     

缬沙坦联合美托洛尔治疗老年心衰132例临床观察

目的观察缬沙坦联合美托洛尔治疗老年慢性充血性心力衰竭的疗效.方法132例年龄60-77（平均68.5）岁,NYHA心功能分级Ⅱ、Ⅲ级老年充血性心力衰竭（CHF）患者随机分为2组,治疗组即缬沙坦联合美托洛尔组66例,对照组66例为常规治疗组,随访180 d,以NYHA心功能分级、超声心动图所示左室射血分数（LVFE）、左室收缩末期内径（LVES）、左室舒张末期内径（LVED）,评估治疗效果.结果180 d时联合治疗组的心功能分级、LVEF、LVES、LVED、较对照组有较大改善（均有P＆lt;0.05）,结论缬沙坦联合美托洛尔治疗老年慢性心力衰竭有很好的临床疗效,且能很好地提高生活质量.     

老年心力衰竭的性质与临床特征的关系

研究了８７５例充血性心力衰竭（ＣＨＦ）患者。其中３７６例为大于（含等于）６０岁的老年患者（Ⅰ组）,４９９例为小于６０岁（Ⅱ组）。结果表明：Ⅰ组中单纯舒张功能不全的占４４．４％,显著高于Ⅰ组。主要原因为缺血性心脏病和高血压心脏病。与Ⅱ组比较,Ⅰ组的临床特征：１）神经精神症状更明确。２）患单纯舒张功能不全的患者中与Ⅱ组比较,心悸、劳累后呼吸困难,夜间阵发性呼吸困难和恶心、呕吐等症状更明显。３）伴有房颤     

急性脑出血多系统器官功能衰竭55例临床分析

急性脑出血合并多系统器官功能衰竭（MSOF）病人55例，病死率67．27％（37／55）；两器官衰竭28例．病死率53．0％。结果提示：出血部位距正中线越近发生MSOF频率越高；年龄越大病死率越高；出血量与MSOF的发生率及病死率呈正相关（P＜0．01）。对症治疗组30例，存活率44．0％（11／25），两组之间有显著差异（P＜0．01）。说明治疗的关键在于预防和早期控制。     

充血性心力衰竭患者60例的护理体会

目的探讨充血性心力衰竭的护理要点。方法回顾性分析总结2007年6月～2008年2月我科收治的60例充血性心力衰竭病人的临床资料。结果心功能改善Ⅰ级45例（75％），改善Ⅱ级或以上11例（18．3％）。结论标准化治疗方案辅以行之有效的护理措施可有效地改善心衰症状及降低死亡率。     

酚妥拉明在高原喘憋性肺炎合并心衰中的应用

本文对某南高原地区1994－1996年冬春季节发病的136例喘憋性肺炎合并心衰患儿随机分为三组：Ⅰ组应用酚妥拉明加两地兰联合治疗；Ⅱ期单用酚妥拉明；Ⅲ组单用西地兰。结果Ⅰ组疗效明显优于Ⅱ组、Ⅲ组，差异显著，临床各项观察指标间（除住院天（0．05外）均有高度显著性（P均＜0．01）。说明联合用药在高原地区治疗喘憋性肺炎合并心衰有一定的临床实用价值。其次本文结果还表明：藏回、汉回两族间对药物反应有高度显著性，P性＜0．005。     

氟西汀治疗老年充血性心力衰竭伴发抑郁症临床疗效观察

目的：研究使用氟西汀对老年慢性充血性心力衰竭患者生活质量和心率变异性的影响。方法：55例老年慢性充血性心力衰竭患者分治疗组（28例）和对照组（27例），治疗组在常规治疗基础上加用氟西汀200mg/d口服，共120d。观察治疗前后生活质量评分、左室射血分数、心率变异性。q检验进行统计学处理。结果：使用氟西汀可使老年慢性充血性心力衰竭患者生活质量评分下降、心率变异指标有所增加。结论：氟西汀可改善老年慢性充血性心力衰竭患者生活质量和心率变异性。     

比索洛尔治疗慢性充血性心力衰竭疗效观察

目的：观察比索洛尔对慢性充血性心力衰竭的临床疗效。方法：80例慢性充血性心力衰竭病人均经心电图、超声心动图和X线胸片确诊,心功能NYHAⅡ～Ⅳ级,LVEF≤45%,随机分为治疗组、对照组各40例。对照组予强心、利尿、血管紧张素转换酶抑制剂等常规治疗,治疗组在常规治疗的基础上加用比索洛尔1.25～10.0mg/d。定期门诊随访,长期坚持服药1年,观察两组治疗前后血液动力学变化及临床治疗效果。结果：治疗组总有效率为97.5%,对照组为75.0%,两组均使充血性心力衰竭患者的心率减慢、心功能改善,超声心动图复查显示左室舒张末期内径缩小,左室射血分数增高,但治疗组明显好于对照组。结论：慢性充血性心力衰竭患者长期坚持使用比索洛尔可使心功能改善,提高生活质量,改善预后。治疗组疗效优于对照组（P〈0.05）。     

血管紧张素转换酶抑制剂联用小剂量螺内酯治疗充血性心力衰竭25例临床分析

目的观察血管紧张素转换酶抑制剂联用小剂量螺内酯治疗充血性心力衰竭（CHF）的疗效。方法选择2h5例CHF患者为治疗组,经强心、利尿、扩血管、营养心肌等治疗疗效不明显,心功能无改善,应用小剂量螺内酯和卡托普利联合治疗,同时随机选择22例CHF患者为对照组,按常规方法治疗,两组患者年龄、性别、心功能级别及基础性心脏病情况相似,具有可比性。观察两组临床疗效及临床指标（血电解质、肝肾功能等）变化。结果治疗组显效14例（占56％）、有效6例（占24％）、总有效率80％;对照组显效6例（27．3％）、有效5例（占22．7％）、总有效率为50％,两组总有效率之间比较有显著性差异（χ^2=4．69,P〈0．05）。治疗组未见明显高血钾、肾功能恶化等不良反应。结论血管紧张素转换酶抑制剂联用小剂量螺内酯治疗充血性心力衰竭安全有效。     

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.     

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.     

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.     

A computer generator for randomly layered structures

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

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.     

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.     

Achieving Unusual States of Matter Under High Pressure

正The periodicity of the elements and the non-reactivity of the inner-shell electrons are two related principles of chemistry,rooted in the atomic shell structure.Within compounds,Group I elements,for example,invariably assume the+1 oxidation state,and their chemical properties differ completely from those of the p-block elements.These general rules govern our understanding of chemical structures and reactions.Using first principles calcula-     

Exchange-Correlation and Electronic Excitation Energies from Pairing Matrix Fluctuations

We have developed an adiabatic connection to formulate the ground-state exchange-correlation energy in terms of pairing matrix linear fluctuations.This formulation of the exchange-correlation energy opens a new channel for density functional approximations based on the many-body perturbation theory.We illustrate the potential of such approaches with an approximation based on the particle-particle Random Phase Approximation(pp-RPA).This re-