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利用太赫兹瞬态光谱研究了La0.7Ca0.3MnO3薄膜的热力学性质。La0.7Ca0.3MnO3薄膜的金属-绝缘体相变温度在260 K左右,与铁磁-顺磁相......
法国国营铁路最近将它的首列TER地区用高速内燃动车组投入巴黎—沙托丹间的商业运营。这种运行速度达160km/h的列车可制成两节式或......
用ab-initio法对硅氧烷及硅酸分子的研究指出,在硅酸盐中,由于电子的局域性,体系的总能量可以向结构单元或双中心分割:从而可以得......
在 35 kHz 以内的第三的 Ag38.5Cu33.4Ge28.1 最容易溶解的合金的动态团结超声的地被调查并且与由 DSC 方法的它的平衡团结和它在......
法国国营铁路1994年订购了100列TER(区间特快运输)内燃动车组,并计划再续订150列。本文介绍该动车组的结构和内部布置的特点。
The French state-r......
1997年3月26日,在法国奥尔良火车站举行了法国国家铁路的首列TER(“地区特快运输”的法文缩称——译者)内燃动车组的交付典礼。全法国......
患者,男,36岁。其妻生育一正常男婴后自然流产3次,均于孕60d左右;新生儿死亡2次,出生体重分别为1500g,1700g,外观无畸形,均于出生后0.5小时左右死亡。夫妇表型、......
先证者,女,32岁,双眼视力自幼欠佳,于1994年5月27日就诊。体验:智力正常,身高175cm,身材瘦长,皮下脂肪缺乏,周身肌肉发育不良,长......
Six kinds of terbium ternary complexes with halo-benzoic acids were synthesized. Their compositions were determined by C......
A strategic study towards constructing the nine-membered azonane ring system of palhinine A via an a
A proposed strategy for constructing the nine-membered azonane ring system embedded in the isotwistane framework of palh......
Polysulfone(PSF) membranes have gained great attention in the fields of ultrafiltration, microfiltration, and thin film ......
德国TER塑料聚合物集团日前推出了为电镀工艺的需求量身定制的名为Terez Galvano的全新聚酰胺(PA6)产品系列,特点是表面光洁度和强......
The periodidity characteristic of switching window of a terahertz optical asymmetric demultiplexer (TOAD) using numerica......
Contribution of phytoliths to total biogenic silica volumes in the tropical rivers of Malaysia and a
The contribution of phytoliths to total biogenic silica(BSi) volumes in rivers worldwide,and the associated implications......
According to the requirements of the bus terminal regulator,a linear regulator with 3-A source-sink current ability is p......
Preparation of Polystyrenylphosphonous Acid of Low Polymerization Degree and Influence of Initiators
The polystyrenylphosphonous acid (PSPA) of low polymerization degree was prepared with one step reaction. The reaction ......
Kuqa depression bears not only plenty ofnatural gas, but also a large amount of condensate and smallquantity of crude o......
The West Lake in Hangzhou is now undergoing a two-phase expansion project. The eastern lakeside will present a total ne......
目的观察玻璃体视网膜手术中双染色法治疗Terson综合征效果。方法回顾性研究总结Terson综合征13例(18眼),均采用玻璃体视网膜手术,术......
Soil carbon stocks and sequestration have been given a lot of attention recently in the study of terrestrial ecosystems ......
ASino-Canadian research project titled “Responding to the global warming: Improving China's carbon storage capacity” ......
Accurate information of cropland area and spatial location is critical for studies of national food security, global env......
Absorption of acoustic nanowave in specific frequency region is important for the design of acoustic filter. This paper ......
Effect of activation of nuclear factor-κB /hypoxia-inducible factor-1α pathway on the hippocampal ne
Objective To observe the roles of nuclear factor-κB(NF-κB)and hypoxia-inducible factor-1α(HIF-1α)in hippocampal neur......
Evolutionary and paleobiological implications of Coleoptera(Insecta)from Tethyan-influenced Cretaceo
The intense study of coleopteran inclusions from Spanish(Albian in age) and French(Albian-Santonian in age) Cretaceous a......
在已过去的重金属时代中,一些具有影响力的乐队几乎都在尝试一种叫做“激进金属” 的音乐,Dream Theater正是这样一支一成不变的......
The interactions between the embedded atom X (X=Li,Na,K,Rb,Cs; F,Cl,Br,I) and C60cage in the endohedral-form complexes ......
Characterisation of Neonicotinoid and Pymetrozine Resistance in Strains of Bemisia tabaci(Hemiptera:
Four strains of the Q biotype and one of the B biotype of the whitefly Bemisia tabaci collected from China were characte......
Asymmetric aza-Henry reaction with α-substituted nitroacetates catalyzed by a bifunctional thiourea-
The asymmetric aza-Henry reaction of α-substituted nitroacetates and N-Boc imines was achieved with a new-type thiourea......
AIM: To investigate the association between peroxisome proliferator-activated receptor-γ (PPAR-γ ) gene polymorphism 3......
Quantitative paleotemperature records are vital not only for verifying and improving the accuracy of climate model simul......
A piecewisely linear(with three or four segments)dynamic version for relaxation oscillations in acircuit with bidirecti......
The inventive foundation of mobile cellular technologies was laid about 100 years ago. Wireless voice service was commer......
Pancreaticoduodenectomy in patients ≥ 75 years of age:Are there any differences with other age range
AIM To compare surgical and oncological outcomes after pancreaticoduodenectomy(PD) in patients ≥ 75 years of age with t......
应用荧光光谱法研究了生理条件下美洛昔康对牛血清白蛋白,Cu(Ⅱ)对牛血清白蛋白以及Cu(Ⅱ)对美洛昔康和牛血清白蛋白荧光光谱特性......
The paper presents three formal proving methods for generalized weakly ground terminating property, i.e.,weakly terminat......
本研究针对目前体外皮肤腐蚀TER测试试验的实现没有现成的、简便的、可供现场快速筛查的仪器设备这一现状,从实际使用需要出发,研......
A facile synthesis of terminal arylacetylenes via Sonogashira coupling reactions catalyzed by MCM-41
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:探究布地奈德联合特布他林雾化吸入治疗慢性阻塞性肺疾病的临床效果;方法选取108例慢性阻塞性肺疾病患者,随机均分为三组,联合组......
目的:观察环吡酮胺阴道栓联合氟康唑治疗外阴阴道假丝酵母菌的疗效观察。方法:74例外阴阴道假丝酵母菌(VVC)感染患者随机分为两组......
A facile synthesis of terminal arylacetylenes via Sonogashira coupling reactions catalyzed by MCM-41
A variety of terminal arylacetylenes have been conveniently synthesized in good to high yields via Sonogashira coupling ......
单一地形特征参量对地形匹配导航区域可导航性的评价存在局限性,导致评价结果不能真实反映匹配区域可导航性的强弱.根据特征信息融......
为了模拟低空突防中飞行器面临的武器威胁、地形环境和大气环境等情况,需要建立一套完整的战场模拟仿真平台。在仿真平台结构分析......
DevelopmentinEasternOilfieldsTertiaryRecoveryTechniquesWangNaiju(Director,DevelopmentandProductionBureau,CNPC)Keywords:Tertia.........
针对虚拟场景中碰撞检测的实时性与准确性这对矛盾,根据地形平均曲率将地形划分为三种类型,不同类型的地形采用不同地形匹配算法;......
随着我国改革开放的深入进行和市场经济的进一步发展,让全体人民共享改革与发展的成果越来越多地成为我国政府和社会各界的共识。......
针对中国广电行业的发展情况、业务内容及主要技术进行了初步分析,并提出广电网运营的基本看法.......