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通过反滴共沉淀法合成Co:MgAl2O4纳米粉体,通过真空烧结和HIP后处理制备了高透明的Co:MgAl2O4陶瓷.研究了碳酸铵的添加量对合成前......
硅基光波导移相器是硅基光电子系统的重要组成部分。透明导电氧化物(TCO)薄膜的介电常数受栅极电压作用会产生调谐,有望应用于下一......
After bottoming out last year, the emerging economies of East Asia are recouping their losses and setting out onto the f......
BURP domain-containing proteins have a conserved structure and are found extensively in plants.The functions of the prot......
The gyrotron is one of the most promising high-power millimeter-wave sources for electron cyclotron resonance heating(EC......
Understanding diffusion and solute transport, is regarded as a main activity in environmental man-agement, sustainable d......
目的探讨缺氧环境下活化的血管内皮细胞是否可诱导SNAI1表达上调，进而通过SNAI1-基质金属蛋白酶(MMP)2和MMP9途径参与CNV生成。方法......
大学生科技创新活动是高等医学院校加强学生素质教育和培养创新型医学人才的重要方式.作为医学院校学生科技创新活动组织模式的革......
目的 探讨经胸壁多普勒超声测量上腔静脉流速随呼吸变异度对机械通气患者容量反应性的评估作用.方法 采用前瞻性队列研究方法,选择......
The Loess Plateau in northern Shaanxi Province of China covers Yulin,Yan’an,and Tongchuan cities mainly. The kind of ph......
Raman spectroscopy has been widely used to identify the physical properties of carbon nanotubes(CNTs),and to assess thei......
MicroRNAs (miRNAs) are an emerging class of highly conserved non-coding small RNAs that regulate gene expression at the ......
【Abstract】It is a comment on the English version of the Company Law of the People’s Republic of China under the guida......
【Abstract】As the main communication method， business English correspondence takes the critical role of written evidence......
Positive selection analysis reveals the deep-sea adaptation of a hadal sea cucumber(Paelopatides sp.
The Mariana Trench,the deepest trench on the earth,is ideal for deep-sea adaptation research due to its unique character......
Objective To investigate the expression profile of microRNA-21 in human cholangiocarcinoma tissues and to validate its b......
North African countries general y have strategic demands for energy transformation and sustainable development. Renewabl......
Relationship between stomatal behavior and characteristics of photosynthesis and transpiration of Ad
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......
Growth and ecophysiology of seedlings of Podocarpus falcatus in plantations of exotic species and in
The potential role of exotic tree plantations in facilitating successional processes on degraded areas was evaluated in ......
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......
Application of transient burning rate model of solid propellant in electrothermal-chemical launch si
A 30 mm electrothermal-chemical(ETC) gun experimental system is employed to research the burning rate characteristics of......
Temporal Dynamics of Antioxidant Defence System in Relation to Polyamine Catabolism in Rice under Di
Six rice cultivars viz. PR120, PR116, Feng Ai Zan, PR115, PAU201 and Punjab Mehak 1 under the direct-seeded and transpla......
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本文旨在建立一种交通荷载作用下古木建筑振动响应的预测方法.首先,针对本文所提预测方法在扬州准提寺藏经楼进行现场测试,根据测......
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......
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目的 比较门静脉支架及经动脉药物治疗栓塞(TACE)联合或未联合血管内植入碘-125(125I)粒子条治疗原发性肝癌伴门静脉主干癌栓的疗......
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......
骨转移瘤骨骼微环境中，肿瘤细胞分泌多种细胞因子促进溶骨活性，而溶骨后释放的储存于骨内的生长因子又促进肿瘤细胞生长与侵袭，从而形......
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Value of the Ratio of Occluder Versus Atrial Septal Length for Predicting Arrhythmia Occurrence afte
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ESTABLISHMENT OF THE OCEAN DYNAMIC SYSTEM WITH FOUR SUB-SYSTEMS AND THE DERIVATION OF THEIR GOVERNIN
Based on their differences in physical characteristics and time-space scales,the ocean motions have been divided into fo......
Analysis of 1-year Consecutive Application with Focused Transthoracic Echocardiography in Noncardiac
Point-of-care transthoracic echocardiography (TTE) is an evolving field in anesthesia field and verified to have the pot......
A Transcriptomic Analysis of Physiological Significance of Hypoxia-inducible Factor-1α in Myogenesis
Background:Chronic intermittent hypoxia is the most remarkable feature of obstructive sleep apnea/hypopnea syndrome and ......
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......
受IEC中国国家委员会秘书处的委托，由全国安全防范报警系统标准化技术委员会(CSBTS/TC 100)组团，于2000年1月17日至19日，赴巴黎参加了......
Direct discrimination between semiconducting and metallic single-walled carbon nanotubes with high s
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......
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......
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......
目的 分析DEL血型的cDNA序列,模拟并分析DEL血型蛋白质三维结构.方法采用逆转录-聚合酶链反应(RT-PCR)技术和cDNA序列分析技术,得......
目的对我院临床输血检查中发现的问题进行统计分析，提出持续改进和防范措施，促进临床用血合理、科学、安全.方法对全院一年多来抽查......
目的 总结采用小腿外侧皮瓣修复跟骨骨折术后皮肤坏死、钢板外露的治疗效果.方法 跟骨骨折术后皮肤坏死、钢板外露采用小腿外侧皮......
目的 探索血缘HLA全相合骨髓造血干细胞移植(HSCT)后复发病例进行同一供者外周血造血干细胞二次移植(HSCT2)的可行性.方法 1例急性......
在分析以往各种时间同步优化算法的基础上，提出一种改进的无线传感器网络时间同步算法。该算法主要分为三步：首先对节点进行筛选，排除......
目的：探讨成功介入封堵治疗的室间隔缺损（VSD ）在封堵前后即刻、随访期肺动脉压力的变化规律。方法650例成功施行介入治疗的VSD患者，经......
采用磁控溅射法制备了glass／ITO／NiOx／ZrO2：H／WO3／ITO全薄膜电致变色器件，并对单层膜的结构及性能进行了研究．器件中NiO x 、ZrO2：H和WO3各......
目的 探讨转化生长因子-β1(TGF-β1)和血管内皮生长因子(VEGF)在鼻腔鼻窦内翻转乳头状瘤(NIP)组织的中作用.方法 采用免疫组织化......
±7.08;B组:97.02±8.31;C组:81.83±9.44),差异有统计学意义(F=23.56,P...
目的 探讨经侧裂选择性杏仁核海马切除术(TSSAH)治疗颞叶内侧癫痫(MTLE)的效果和手术并发症.方法 对2005年至2008年采用TSSAH治疗......
