Alvarez相关论文
7月27-30日在美国拉斯维加斯举办的首届“COSMOPROF NORTH AMERICA”聚集了20,000名专业人士。Cosmoprof的总经理Laura Zaccagnin......
作者将恶性肿瘤之一些非特异性征候群归纳为五类:1.新陈代谢——内分泌紊乱。其中最多见的类型为肥大性骨关节病(Bamberger-Marie......
The surface tension of carbonated monoethanolamine aqueous solutions from 293.15 to 323.15 K was measured by using an au......
加里佛尼亚大学的一些物理家们在路易·威·阿尔瓦来兹(Luis W.Alvarez)领导之下,现在用实险证明了最重的曾经预言过的,但是至今......
从1980年Alvarez父子等发现中、新生代地层接界处的粘土层中铱异常丰富以后,天外带给生物界的灾难对地球生物的演进起着决定作用......
该书的作者们独辟蹊径地研究整个显生宙地层剖面,其目的是从这些剖面可能揭示出一系列地外成因的事件。暂且不论这费劲的工作收益......
SINCE Alvarez first used iridium anomaly to explain the Cretaceous-Tertiary impact eventand mass extinction, more than ......
自W.Alvarez首次利用铱异常解释白垩-第三纪撞击事件及生物大量绝灭以来,在全球已发现了70处以上的白垩-第三系Ni-Ir异常.而比白垩......
Self-organization of PbS into quantum dots superlattices is demonstrated for the first time, and hexaplanar colloidal cr......
菲石油公司降低燃油价格 菲律宾三大石油公司宣布从8月14日凌晨起,将其燃油产品的价格每升平均降低10至15菲律宾分。菲律宾壳牌石......
SinceAlvarezetal.[1]suggestedthatthepresenceofalargeiridiumconcentrationanomalyinsedimentsattheCretaceous-Tertiary(K-T)b......
9月3日,《自然》杂志在日本干细胞生物学家笹井芳树自杀辞世近一个月时发表讣文,纪念这位干细胞领域的先驱。本文作者阿图罗·阿尔......
Whether the platinum group elements (PGE) can be taken as the indicators of extraterrestrial materials is a very importa......
Alvarez等人于1922年首次从人体体表记录到胃电活动。嗣后,许多学者即设想利用胃电作为胃的生理活动指标,研究胃的生理、病理规律......
自1922年Alvarez首次从人的腹壁体表记录胃电以后,许多学者都企图利用胃电作为胃的生理活动指标,以研究胃的生理和病理规律,并希......
一、胃电图的发展概况自从1922年美国人Alvarez首次从人腹壁体表记录到3次/分的胃电波。80年代Hamilton报道人体表面电极和粘膜电......
自Alvarez于1922年报告从胃记录到胃电活动以来,许多电生理学家为此做了很多研究工作,证实了胃的平滑肌和心肌,骨骼肌一样,在它兴......
192 2年 ,Alvarez首次报道了从腹壁记录到胃肌电活动 ,但由于多种因素的影响 ,对 EGG研究和应用的进展一直缓慢。近年来 ,胃电活动......
据2011年4月10日Alvarez-Ervit L[Nat Biotechnol,2011,29(4):341-345]报道,英国科学家研发出了一种能将药物直接递送入大脑细胞内......
1922年 Alvarez 首次将电极放置在人腹部表面记录到由胃产生的电活动,他称之为胃电图。以后研究者对胃电活动产生了兴趣。用细胞......
自Alvarez于1922年首次记录胃电活动以来,经过半个多世纪的发展,人们对胃电活动的类型、胃电活动的传播途径、肌电与动力的关系、......
1921年,Alvarez首次报道从胃能记录到电活动。随后,许多学者用不同手段,在不同动物上,其中包括人,对胃电产生的机制、生理意义及......
十八甲基炔诺酮(norgestrel,NG)首先由Smith成功的完成了人工合成,并证明是一个具有较强孕激素活性和较弱雄激素活性的十九去甲睾......
A SIMPLE ACCESS TO UNSOLVATED MONOMERIC COMPLEXES OF EARLY LANTHANIDE IODIDES(CH_3OCH_2CH_2C_5H_4)_2
(CH_3OCH_2CH_2C_5H_4)_2LnI(Ln=La,Nd)complexes have beensynthesized by the reaction between NaI and[(CH_3OCH_2CH_2C_5H_4......
The successful encapsulation of dysprosium(Dy) into fullerene cages by activating the Dy2O3, containing graphite rods in......
Endohedral dilutetium fullerenes Lu2@C2n (2n=76~112), have been extracted from the soot prepared by arc-burning method f......
A diazafulleroid derivative with adacent 5-6 junctions has been synthesized by theregioselective addition of 1,2-di(azid......
Intensity Exaggeration of Endohedral Metallofullerenes in Laser Desorption-Ionization Time-of-Flight
The laser-desorption-ionization time-of-flight mass spectro metry and desorptionelectron-ionization mass spectrometry we......
An Enzyme Electrode Based on the Covalently Binding of Horseradish Peroxidase to a Self-assembling M
A new procedure for developing high performance enzyme electrode is described. Theprocedure is based on the covalently b......
The oxidation on 1,4-substituted Hantzsch 1,4-dihydropyridines with nitrosoniumtetrafluoroborate (NO+BF4_-) in acetonitr......
A facile and efficient synthesis for a series of bis(N-imidazolylethyl) ethers from oligo-ethyleneglycols and imidazole ......
胃电图早在1922年由 Alvarez 报告。应用体表皮肤电极记录人的胃肠电活动,称为胃肠电图(EGEG),它的变化与胃肠运动胃肠电变化有密......
2013年,舞者Andrea Alvarez成为德克萨斯A&M大学(Texas A&M University,是美国首屈一指的世界顶尖级公立大学)首批运动人体科学舞......
Determination of respiration, gross nitrification and denitrification in soil profile using BaPS sys
A facility of BaPS (Barometric Process Separation) was used to determine soil respiration, gross nitrification and denit......
The reaction of anhydrous cobalt(II) dichloride with 1-methylimidazoline-2(3H)- thione in dichloromethane solution gave......
Depolymerizing copper(I) phenylacetylide [Cu(C≡CPh)]n with cyclohexyl isocy- anide (CNCy) gave a tetranuclear copper(I......
Crystallization of Two Cyanide-bridged Bimetallic Complexes [LN(DMSO)_2(H_2O)_3Co(CN)_6]·H_2O(LN = P
Two diadochy cyanide-bridged bimetallic complexes [Pr(DMSO)2(H2O)3Co(CN)6] ?H2O 1 and [Nd(DMSO)2(H2O)3Co(CN)6]?H2O 2 ha......
The synthesis and characterization of organometallic copolymers with Mn-Re binuclear transition-meta
Novel organometallic copolymers with Mn-Re binuclear transition-metal groups in the side chain are synthesized and chara......
简要叙述了人工放射性核素被发现的历史。对历年发表在同位素表上的资料进行了比较,发现人工放射性同位素的数目随时间呈极好的线......
In the conventional design of RF linacs, the bunched beams are not in thermal equilibrium. The space charge forces coupl......
In two remarkable papers Alvarez et al.[1]pointed out that two uncoupled 1dchiral oscillators yield,when combined,an int......
A 2-year study on Koppophycus alvorezii (Doty )Doty introduced to Hainan Island from the Philippines in 1985 showed pro......
