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The Qinghai-Tibet Highway experienced four renovations in the past 40 years and has now been asphalted. For the fourth r......
AIM To evaluate the association between C-reactive protein(CRP) and radiological evidence of lower respiratory tract inf......
Type 1 diabetes can be classified into immune-mediated diabetes (type 1A) and idiopathic diabetes, which lacks immunolog......
Science Letters:Brain natriuretic peptide: A potential indicator of cardiomyogenesis after autologou
We observed in a pilot study that there was a transient elevation of brain natriuretic peptide (BNP) level shortly after......
Effect of lithium content on the electrochemical properties of solid-state-synthesized spinel Li_xMn
Lithium-substituted LixMn2O4 (x = 0.98, 1.03, 1.08) spinel samples were synthesized by solid-state reaction. X-ray diffr......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Detection of Thermophysical Properties for High Strength Concrete after Exposure to High Temperature
Using the detection principle of infrared thermal imaging technique and the detection principle of DRH thermal conductiv......
Liver Histopathological Features Influencing HBeAg Seroconversion in Patients with HBeAg-positive Ch
Objective To investigate the efficiency of pegylated interferon α therapy for patients with HBe Ag-positive chronic hep......
NEODYMIUM: YAG LASER THERAPY IN APHAKIC PUPILLARY BLOCK GLAUCOMA AND APHAKIC MALIGNANT (CILIOVITREAL
Aphakic pupillary block glaucoma and malignant glaucoma (ciliovitreal block) are severe complications of the intracapsu......
ELEVATION OF INTRAOCULAR PRESSURE (IOP) IN PATIENTS WITH ASYMMETRIC PRIMARY OPEN -ANGLE GLAUCOMA (PO
Purpose: To evaluate the changes in IOP in patients with asymmetric glaucoma when lying on their preferred sleeping pos......
Effects of intermediate annealing temperature and time after hot working on recrystallization temperature (Tr) of Al-Mg-......
AIM:To assess linear endoscopic ultrasound (L-EUS) and magnetic resonance imaging (MRI) in biliary tract dilation and su......
Evacuation strategies for vertical ship lift during initial fire:Integrated application of stairs an
Vertical ship lifts (VSLs) are widely used in navigation facilities worldwide because of their efficiency and low cost.A......
Photosynthetic response of Pinus sylvestriformis to elevated carbon dioxide and its influential fact
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
通过建立CRTS III型板式无砟轨道-高架箱梁桥有限元模型，以德国低干扰谱激励下的轮轨垂向力为输入，对CRTS III型板式无砟轨道桥梁区......
Photosynthetic response of Pinus sylvestriformis to elevated carbon dioxide and its influential fact
到提高的 CO2 和它的有影响的因素的 12 年的 oldPinus sylvestriformis 的光合的反应在 1999 在 Changbai 山的森林区域被测试并......
数字地形图的数学精度高效检测一直是测绘行业技术质检人员面临的核心问题之一。为减少人工繁杂的检测工作,提高检测的效率和质量,......
为了确保安太堡矿在芦子沟背斜区实现安全高效经济开采,最大限度回收资源,依据统计学原理,通过运用三维矿床地质模型及其所生成的......
新型耐火钢除了要求具有等同或优于普通建筑钢的室温力学性能和良好焊接性能,还需要保证耐火性能和良好抗震性能,并拥有比传统耐火......
2号线东延伸接驳段工程是整个东延伸项目的关键节点，在不影响运营通车的条件下进行下部结构改造是该工程的一个难点。该文根据......
由于遥感技术应用领域的不断扩大,用户希望利用遥感技术来实现功能性用地的自动提取.然而,在现行分类标准中,存在许多按应用功能分......
Biomonitoring with cytogenetic methods consistto compare a known or suspected exposed groups with acontrol group with di......
牛背梁自然保护区(108°45′～109°04′E,33°47′～33°56′N)位于秦岭山脉东段,地跨秦岭南北坡.采用样线调查法和......
针对全球不同区域情况,利用VB语言编制获取天线方位角、仰角的定位程序,它适用于全球地球卫星站天线的定位计算.......
SETTING UP DIGITAL ELEVATION MODEL(DEM) ON THE BASIS OF SCANNED RASTER DATA FROM CONTOUR LINE SEPARA
The application of Digital Elevation Model (DEM) is drawing more and more attention.Different ways to set up DEM are bei......
针对减小火炮炮口扰动问题,建立了某型榴弹炮的虚拟样机模型,考虑了后坐质量偏心、土壤介质、高低机传动间隙和蝶形弹簧的刚度与阻......
介绍了北京市大兴区影剧院工程施工测量过程中的重点和难点，重点介绍了平面控制网的建立及精度，同时还介绍了该工程特殊部位的测量定......
新建铁路客站多采用大跨度、钢结构无站台柱雨棚及高架站房结构。接触网系统作为其建筑结构的重要组成部分,其支装悬挂结构直接影......
本文对对流层大气折射造成的跟踪天线指向误差进行研究。采用三段式指数型模型模拟对流层大气折射率分布状态。对电磁波折射传播路......
要想避免高层建筑电梯火灾的发生,必须从高层建筑电梯的防火设计入手.文章介绍了<高层民用建筑设计防火规范>的有关规定,并提出了......
NEODYMIUM: YAG LASER THERAPY IN APHAKIC PUPILLARY BLOCK GLAUCOMA AND APHAKIC MALIGNANT (CILIOVITREAL
【正】 Aphakic pupillary block glaucoma and malignant glaucoma (ciliovitreal block) are severe complications of the intr......
通过川西亚高山野外大型控制实验,研究了红桦不同密度下的根系生物量、根际土壤微生物数量和根际土壤酶活性对短期升高温度(ET,相......
针对近场窄带信源仰角、方向角和距离三维参数的估计问题，提出了一种新的近场源三维参数的联合估计方法。该方法利用特征值及相应特......
通过应用可编程序控制器和变频器改造客货电梯涡流制动器调速的交流调速系统和继电器-接触器控制电气系统的实例，给出改造中电器的......
本文介绍了一种新的电梯门机控制系统:他以MSP430F149单片机为核心、以IPM作为驱动器,采用最优电流开通角法,控制无刷直流电动机,......
Performance assessment of two-dimensional hydraulic models for generation of flood inundation maps i
Hydraulic models for the generation of flood inundation maps are not commonly applied in mountain river basins because o......
地形数据是低空突防系统最主要的信息来源之一。由于机载条件对电子设备的重量和体积有很大的限制 ,因此地形数据必须要按低空突防......
This study uses the CMA (China Meteorological Administration) global land-surface daily air temperature dataset V1.0 (GL......
文中简要介绍了当前工程测量采用的高程系统,论述了GPS和水准测量相结合的基本原理及工作方法,结合西宁机场某路段精密工程测量网......
经1985年12月～1987年3月,三年度夏测绘科学考察,在中国南极长城站地区建立了一套完整的、精确的测绘基准系统。它包括大地坐标系统......
文章根据当前轮机实习指导中存在的两种模式,就"准轮机管理人员"实际技能形成的三个阶段,提出了每一阶段教学手段应分别有所侧重的......
1 Introduction Effective and timely reperfusion of infarcted coronary artery is crucial to the treatment of patients wit......
Studies in tobacco fields were conducted in 1993. The results showed that the distribution pattern of the larva was aggr......
针对高温、高密度油包水逆乳化钻井液降滤失量大的问题而研制出一种新型抗高温油基钻井液降滤失剂。这种降滤失剂采用胺化合物对腐......
