wells相关论文
Intelligent Recognition Method of Insufficient Fluid Supply of Oil Well Based on Convolutional Neura
Traditional methods for judging the degree of insufficient fluid supply in oil wells have low efficiency and limited acc......
1975年Wells等报告,用甲状旁腺全切除及将小片甲状旁腺组织移植至患者自身前臂肌肉中治疗继发性甲状旁腺机能亢进。Nalle医院肾病......
<正> There have been brief reports about CO2 in groundwater as a precursor of earthquake, but no good examples have been......
尿失禁是女性多发病,估计美国有1千余万患者。传统治疗为手术治疗压力性尿失禁及抗胆硷药物与膀胱训练治疗急迫性尿失禁(逼尿肌不......
The multicomponent condensation of an aryl aldehyde,acetyl chloride,acetonitrile,and enolizable ketone as one-pot synthe......
In order to improve the performance of the Wells turbine for wave energy conversion,the effect of end plates onthe turb......
近年来,高考阅读理解中经常出现代词指代内容的考查。而这类题对部分考生来说,往往是丈二和尚——摸不着头脑。下面就以今年春季......
双壳类软体动物养殖获得成功,应归功于William k.Brooks早期的研究工作。根据文献报道,他早在1879年开始研究牡蛎的产卵、受精以......
The existing design of the pumping systems mainly focuses on the approximate computational formulae and procedures,which......
在双氧水存在条件下,合成了一例Wells-Dawson型铌钨混配多酸K3.5Na4[H4.5(NbO2)6P2W12O5 6]·12.5H2O(1),X射线单晶结构分析表明,......
本书共分为8章,主要按照多酸的结构类型将配合物划分为八大类:Keggin型多酸基功能配合物、Wells-Dawson型多酸基功能配合物、Lindq......
在云计算的助力之下,三维软件与汽车设计结合得愈来愈紧密。不论技术如何发展,传统手工技能的魅力并没有因此而丧失。乔(Jon Wells......
目的评价血浆D-二聚体结合Wells临床评估量表对肺栓塞的早期诊断价值。方法 100例疑似肺栓塞患者进行回顾性分析,用D-二聚体、Well......
据美国内科年鉴Douma博士介绍,一些临床决策规则(CDRs)可以被用来将急性肺栓塞(PE)排除,但是这些临床的决策规则还没有被直接地比......
目的:探讨临床量表在老年非高危急性肺栓塞诊断中的预测价值。方法:根据2008年欧洲新版急性肺栓塞诊疗流程指南,连续收集在急诊诊......
目的威尔斯规则等诊断预测模式可以安全排除疑似肺栓塞。然而,医生的自主可能性评估(格式塔理论)的利用也很常见。评估这两种方法......
1 Introduction Hydraulic fracturing refers to the parting of geomaterials due to excessively high fluid pressure.The mos......
Developing Situation and Trend Analysis of Combined Well Pattern of Horizontal Well in Low Permeabil
1 Introduction Now,the key of oil-field’s increase production is the development technology for extra-low permeability ......
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Polarization Properties of Valence Intersubband Transitions SinSi-xGex / SiMultipleQuantumWelsX. H. ZhangZ. H. Chen......
电影摄影用来分析人体的走步、运动以及举起活动是一种常见的方法。它包括确定人体所需部分的位移轮廓的电影胶片的数字化,从位移......
研究了强磁场条件下有限深量子阱中的中性施主．计算了中性施主的基态能量和束缚能，讨论了阱宽对中性施主束缚能的影响．
The neutral ......
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1IntroductionInorganicsemiconductorheterostructuresandmultiplequantumwels (MQWs) structureshavebeenasubjectofintens......
期刊
１ＩｎｔｒｏｄｕｃｔｉｏｎＧａＮａｎｄＡｌｘＧａ１－ｘＮａｒｅｐｏｔｅｎｔｉａｌｍａｔｅｒｉａｌｓｆｏｒｕｓｅｉｎｕｌｔｒａｖｉｏｌｅｔｌｉｇｈｔ－ｅｍｉｔｉｎｇｄｉｏｄｅｓａｎｄｄｅｔｅｃｔｏｒｓ，ｓｈｏｒｔｗａｖｅｌｅｎｇｔｈｌａｓｅｒｓａｎｄｈ...
1 Introduction GaN and AlxGa1-xNarepotential materials for use in ultraviolet light-emitting diodes anddectors, sho......
期刊
Photocurrent Measurem entof Si_(1-x)Ge_x/Si Multiple Quantum Wells With Ion Im plantationand Therm a
Si Ge interdiffusion in Si 1- x Ge x /Si multiple quantum wells (MQW) is investigated by photocurrent spect......
Strained SiGe/Si multiple quantum wells(MQWs) were grown by cold|wall ultrahigh vacuum chemical vapor deposition (UHV/CV......
For decades,some geological formations have been drilled with a drilling fluid that exerted a bottom-hole pressure less ......
钨与钼在自然界中常以相互共生状态存在.由于这两元素的原子内最外层及次外层电子层结构完全相同,因此化学性质十分类似,在钼的分......
Ten spinel-lherzolite inclusions and one olivine-websterite inclusion, which were collectedfrom Fujian, Jiangsu, Hebei ......
PETROLEUM GEOLOGY IQuantltatlve Evaluation of bource Rocks with TTT Method……… .,………………………YQngwanli et al 15 ......
1989年11月,由 British Council 和 BBC联合发起的国际英语教学讨论会在匈牙利首都布达佩斯举行。来自英国和匈牙利的几十位国际......
We investigate various methods for the calculation of the electron energy in semiconductor quantum wellsand focus on a ......
The exciton L=0 and L=1 states of a spherical GaAs quantum dot with a Gaussian confining potentialare calculated by usi......
也许是因为个性比较强悍的缘故,维尔士(Bonzi Wells)生涯里曾经发生过一些问题,前面待过的几支球队也没有因为考虑他的能力够强而......
价层电子对互斥模型(简称VSEPR模型)提供了判断AX_n型分子或离子几何构型的定性依据,但目前国内外流行的教科书及许多论述多以写......
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We theoretically investigate the optical absorption spectra and charge density by subjecting a GaAsquantum well to both......
《化学通报》1983年第3期刊出“对使用价层电子对互斥模型的一个改进”(以下简称“改进”)一文,介绍了A.F.Wells的8n+2m规则,不必......
1．邦奇·维尔斯Bonzi Wells体斯敦火箭个人数据:712分4.0篮板1.2助攻上赛季:13．6分7．7篮板2．8助攻没有遭遇过威胁职业生涯的严重伤病,......
261318 points,14998 three pointers,9150 dunks,205 buzzer beaters, 230,000,000 fans:all for 16 teams to earn the right to......
介词with加其它词类构成的结构，称之“with结构”。此结构中的名词与其后面所附同的成分，在逻辑上存在着主谓关系，动宾关系，主动从动关......
Propagating Optical Phonon Modes and Their Electron-Phonon Interaction Hamiltonians in Asymmetric Wu
Within the framework of the dielectric continuum model and Loudon’s uniaxial crystal model, the properties of frequenc......
前言钛铀矿是人们早已熟悉的一种铀钛氧化物。对它的研究可大致分成三个阶段:自1920年被赫斯和威尔斯(F.S.Hess,R.G.Wells)发现至......
一、引言 自从Wells提出裂纹顶端张开位移(COD)作为描述裂纹顶端材料在开裂前的变形能力的参数以来,在COD方法的各方面进行了大量......
自1977年以来,沿着圣哈辛托断裂带的一些井孔开展了水位监测。在使用连续记录器进行监测的圣哈辛托断裂带的30公里地段内发生的三......
