本文对广播电视工程中运用的接地技术的重要性进行分析.阐述接地技术的类型,分析影响施工的各种因素,明确接地技术的实践方案,以此提升广播电视工程的施工质量,为广播电视业的安全播出、可持续发展提供必要的支持.

二十世纪八十年代,新绘画艺术思潮开始在欧美兴起,这不仅反映着传统架上绘画的重归现象,也让人们再次对绘画有着透彻而明晰的认识.乔治· 巴塞利兹作为德国新表现主义的代表人物之一,以别出心裁的方式将倒立的人布于画面之上,让人们见识到他直爽畅快和极富豪情的视觉盛宴.奇想怪诞的人物倒置造型,加之强劲宽大的笔触痕迹以及奔放的色彩魅力,营造出个性显著的绘画语境,同时让画作变得极富深意,充满可探寻之境.本文将从迹象论的视角出发分析巴塞利兹的绘画作品中迹象构成和情感表达,引领深入了解巴塞利兹的艺术世界.

文章通过叙述天津中医药大学新建体育馆钢结构的安装过程,详细介绍了安装焊接的具体实施方法和措施,保证了钢屋盖顺利完成施工.

介绍了天津中医药大学新建体育馆弦支穹顸结构预应力张拉施工的全过程监测,通过对监测方法、采用仪器、杆件监测点布置等方面的详细介绍为今后类似结构体系的施工监测提供一个完善的方案,同时通过对预应力张拉的有限元模拟计算值和实施监测值进行对比,直观的体现了理论与实际之间的差别之处.

目的：比较乳腺癌改良根治术后低负压与高负压引流效果的优劣。方法选择200例接受乳腺癌改良根治术的女性患者分为观察组和对照组，每组100例。观察组术后采用低负压持续引流，压力值设定在30kpa～40kpa，对照组术后采用高负压持续引流，压力值设定在90kpa～100kpa，比较两组患者引流管留置时间、创面愈合时间及术后皮下积液、皮瓣坏死等并发症的发生情况，结果观察组较对照组引流量少（P＜0.05），引流时间短（P＜0.05），皮下积液发生率低（P＜0.05），皮瓣坏死的发生率低（P＜0.05）。结论乳腺癌术后采用低负压持续引流能够缩短愈合时间和减少并发症的发生，更具优势。

目的：观察椎旁神经根毁损治疗乳腺癌晚期骨癌痛的临床效果。方法应用X光机定位乳腺癌晚期患者疼痛所累及脊神经所属椎间隙，行椎旁神经根毁损阻滞。记录所有患者的术前、后各时间点VAS评分。结果行椎旁神经根毁损治疗术后的VAS评分明显降低。结论椎旁神经根毁损阻滞可以有效缓解乳腺癌晚期患者的骨癌痛。

hTis paper utilizing analytic hierarchy process method to calculate the weights for four secondary selected indictors including external macro environment, financial serve, within enterprise sci-tech environment and management to build up evaluation system. And then fuzzy evaluation method is combined to test positively on the practical case. The results show that financial serve quality, within enterprise sci-tech environment are the most important factors, in which efficiency of financial service, innovation of ifnancial tools, transformation rate of sci-tech achievements and intensity of R&D are the stronger factors. hTe evaluation system can help to identify the current sci-tech ifnance situation of high-tech SMEs, and to improve the accessing ability to sci-tech ifnance.

大学生是社会的一个特殊群体,是社会主义事业的建设者和接班人,是维护社会稳定和民族团结的重要力量.因此,我们必须高度重视大学生的马克思主义民族观教育,把加强大学生马克思主义民族观教育,当成党和政府以及高等院校的重要任务之一.在全社会的共同努力下,培养造就一批专业化、高水准的马克思主叉民族观教育的教师队伍,通过加强爱国主义教育;深入开展民族平等、民族团结和各民族共同繁荣的教育;拓展大学生马克思主义民族观教育新途径等措施和手段强化大学生马克思主义民族观教育.

目的：观察咪达唑仑复合改良氟芬合剂在乳腺区段切除术中的镇静镇痛效果。方法拟择期乳腺区段切除术ASAⅠ～Ⅱ级患者60例，分为咪达唑仑复合改良氟芬合剂组（A组）、咪达唑仑复合氟芬合剂组（B组）和咪达唑仑复合芬太尼组（C组）各20例。A组于局部麻醉切皮前5 min静注改良氟芬合剂0.03～0.05 mL/kg,切皮前3 min静注咪达唑仑0.02～0.04 mg/kg；B组于局部麻醉切皮前5 min静注氟芬合剂0.03～0.05 mL/kg,切皮前3 min静注咪达唑仑0.02～0.04 mg/kg；C组于局部麻醉切皮前3 min静注芬太尼0.001～0.002 mg/kg，咪达唑仑0.02～0.04 mg/kg。术毕对患者术中镇静程度、镇痛程度及遗忘程度作出评价。结果A组在给药后，患者较短时间内便进入朦胧状态，维持镇静时间较B组短及较C组长，此项与B组、C组相比，差异具有统计学意义（P＜0.05）；手术期间镇痛效果较好、循环系统相对稳定；术毕清醒迅速、完全。结论咪达唑仑复合改良氟芬合剂在乳腺区段切除术中应用后患者生命体征、血流动力学无明显变化、不良反应少,是一种方便、安全、疗效高的镇静、镇痛方法。

对于卫星导航系统,采用先进的电文结构、高效的编码技术有利于提高导航系统的工作效率与可靠性.本文针对已有三大卫星导航系统(GPS,Galileo.GLONASS)进行了研究,对其导航电文结构与编码技术的发展进行阐述、比较与分析,在此基础上提出适用于北斗系统的QC-LDPC码.所设计的QC-LDPC码与GPS采用的LDPC码相比,前者抗误码性能更好,编码复杂度更低.并对我国自主研发的北斗系统的电文设计与编码方式提出可行性建议.

In the RTK operation mode,the GPS reference station should be laid in the open unobstructed area to make the satellite visibility best to provide more accurate real-time differential information for the rover station.This paper firstly introduces the RTK mode of operation and describes the importance of the visibility analysis in the layout of the GPS reference station.Then the analysis method of satellite visibility supported by limited spatial data is discussed.Finally some experiments about the application of that method are done on MGIS,and the experiment results are presented in this paper,which prove the importance and feasibility of the visibility analysis in the satellite visibility calculation.

近几年,我国部分民族地区群体性事件时有发生,严重影响了民族地区社会稳定、经济发展。同时也给建国几十年来各族人民共同努力创造的民族地区安定团结的大好局面带来了负面影响。因此,在构建社会主义和谐社会进程中,必须高度重视和积极应对群体性事件。本文拟就民族地区群体性事件的特点、原因及应对措施略陈管见,希冀能为维护民族地区和谐稳定提供一定的参考和借鉴。

高校学生干部是学生管理工作中非常重要的力量。良好的角色形象是其良好综合素质的外化,也是自我修养水平的体现。角色形象的优劣,是学生干部是否合格的重要标志。分析了当前高校学生干部在学校育人过程中的作用及应有的角色定位,并探讨了良好角色形象的塑造方法和途径。

目的 观察肝脂消胶囊治疗脂肪肝的疗效.方法 选择脂肪肝患者156例,随机分为治疗组80例,对照组76例.治疗组口服肝脂消胶囊,对照服用护肝片,观察两组治疗后的治愈率及总有效率、肝功能和血脂变化.结果 经治疗后治疗组治愈率为60%,总有效率为87.5%;对照组治愈率及总有效率分别为38.1%,59.2%,差异有统计学意义(p＜0.05);治疗组丙氨酸氨基转移酶(ALT),天冬氨酸氨基转移酶(AST)和谷氨酰转肽酶(GGT)均明显降低,并且优于对照组(p＜0.0 5);总胆固醇(TC),三酰甘油(TG)及低密度脂蛋白胆固醇(LDL-C)较治疗前显著降低,高密度脂蛋白胆固醇(HDL-C)较治疗前明显升高,其中TG与对照组比较差异有统计学意义(p＜0.05).结论 肝脂消胶囊治疗脂肪肝疗效显著,能明显改善肝功能,降低血脂。

Objective To study the expression of metastasis-associated gene CD44v6 in differentiated thyroid cancers and clinical application.Methods By puncturing 43 thyroid cancers with No.9 fine needle,the histiocytes aspirated and the histiocytes in paraffin,section of the cancers after operation were examined for the expression of CD44v6 using SP method.The positive rate and the clinical application were analyzed and the cytology examination and histiocytes in paraffin section were compared.Results The positive result in cytology examination was obtained in 21 cases,of which the positive expression rate of CD44v6 in lymph node metastasis group was 53.8% and in non-lymph-node metastasis group was 46.7%.The positive expression rates of CD44v6 in different clinical stages were 42.9% in stage Ⅰ,52.9% in stage Ⅱ,100.0% in stage Ⅲ.The positive result in histiocytes of paraffin sections was obtained in 27 cases,of which the positive expression rate of CD44v6 in lymph node metastasis group was 84.6% and in non-lymph-node metastasis group was 53.3%;The positive expression rate of CD44v6 in different clinical stages were 66.7% in stage Ⅰ,76.5% in stage Ⅱ and 100.0% in stage Ⅲ.Therefore,it could be considered that the higher the clinical stage,the higher the positive expression rate of CD44v6.Besides,the positive expression rate of CD44v6 in the papillary adenocarcinoma of thyroid was 52.0% in the cytology examination and 72.0% in the histiocytes of paraffin section,which were higher than other types,but the biological features of causing the lymph node metastasis were the same.No expression of CD44v6 was seen in poorly differentiated medullary carcinoma.Therefore,the positive expression rate of CD44v6 was related to the type of pathology.Conclusions The method of puncturing with fine needle is reliable,if combined with the paraffin section,the positive rate will increase.The expression of CD44v6 is related to the cervical lymph node metastasis of thyroid cancers,the clinical stage and the type of pathology,which can be used as the basis for judging the prognosis and radical neck dissection.

营运改善是提高企业管理水平、改善企业经营状况的有效手段.为此,牡丹江第二发电厂将其作为企业战略实施的切入点,建立了实行营运改善的两个关键指标体系,提出了五项当务之急,制定出四条具体保障措施.

Nowadays, there are a lot of obstacles in college students' socialization education.The article analyses the causes and study the counter methods.

研究了高压静电预处理后的番茄在保鲜过程中的呼吸强度、抗压强度以及失重情况的变化规律.结果表明,利用电场强度为150 kV/m的高压静电场预处理番茄45 min后,可使自然条件下番茄的呼吸高峰推迟4 d后出现,并发现高压静电预处理能有效地保持番茄较高的表面抗压强度和较低的失重率,延长番茄的贮藏保鲜时间.

对生物质气化过程伴生的焦油馏程、发热量、粘度、闪点、燃点、碳氢元素含量等热物理特性进行试验研究,结果表明,生物质焦油经过精制分馏后,温度在200℃以下时的馏分为轻质油分,其闪点和燃点均接近于柴油的闪点和燃点,可作为发动机代用液体燃料;在200℃以上时的馏分为重质油分,且发热量和粘度随蒸馏温度增加而逐渐升高,可作为多种化工原料进行资源化高值利用.

对特困大学生的心理特征进行了分析,并就其个性因子与同年级同学进行了比较.研究表明,因生活困难而导致的大学生的心理问题,是影响大学生健康成长的大问题,作者从实际出发,创新性地提出了促使特困大学生成才的有关措施.