proton相关论文
基于蒙特卡罗软件Geant4，探讨质子与硅的库仑散射和核反应及中子与硅的核反应产生反冲原子沉积非电离能量的过程，建立质子和中子在硅......
This paper presents an analysis of the dynamic response of a low pressure proton exchange membrane(PEM) fuel cell stack ......
<正>中国循环杂志,2014,29(8):578-582.该文应用Meta分析的方法评价氯吡格雷联用质子泵抑制剂(proton pump inhibitors,PPI)与单用......
Two new compounds named decuroside VI (1) and decursidate (2) were isolated from the roots of Peucedanum decursivum - a ......
A new 10-hydroxyl anthrone glycoside, 1, 8, 10 - trihydroxyl-1ObDglucopyrano- syl-3-methyl-10- C (S) b D- glucopyranos......
A new chromone derivative, 3-[1- (2, 4, 6-trihydroxyphenyl) 3-di-(4-hydroxyphenyl) 1-propanone-2-yl] 5,7-dihydroxy-8-di(......
Two new xanthone glycosides, polygalaxanthone IV and V were isolated from the roots of Polygala tenuifolia Willd. Their......
This paper presents a new method to control the position of a micro-column snow target. This target enables the measurem......
An ion beam has the unique feature of being able to deposit its main energy inside a human body to kill cancer cells or ......
Experiments have shown that the ion energy obtained by laser–ion acceleration can be optimized by choosing either the a......
First-principles calculations of F-,Cl-,and N-related defects of amorphous SiO2 and their impacts on
The first-principles calculations based on density functional theory are performed to study F-,Cl-,and N-related defects......
This article mainly presents the application of Geant4 package (Geant4.7.0, 2005), developed by CERN (the Center of Euro......
Biological light-driven proton pumps which could transfer light energy to electrical energy have aroused intense interes......
Two new benzyl dihydroflavones phelligrins A and B were isolated from the fruit body of Phellinus igniarius. Their stru......
A new nitro tetrahydronprotoberberins alkaloid, 1-nitro-apocavidine was isolated from Corydalis saxicola Bunting. The st......
Two new steroidal glycosides named Lm-4 (1) and Lm-5 (2) were isolated from the tubers of Liriope muscari. Their structu......
From our recent research on ice I_h(hexagonal ice),we deduce that free OH groups exist at the ice surface and that dangl......
The excited-state intramolecular hydrogen abstraction reactions of butanal have been investigated using the CAS-MP2/6-31......
Neutrons have played a vital role in many nuclear physics fields.In some cases,the inverse kinematics of neutrons collid......
The first comprehensive experimental facility of high intensity cyclotron in China has been successfully developed,whic......
Modern radiation treatments have become fairly complex and involve in utilizing a variety of medical devices to achieve ......
This paper discusses dynamic characteristics of proton exchange membrane fuel cell (PEMFC) under rapid fluctuation of po......
针对空间质子诱发CCD性能退化问题,开展了 CCD质子辐照效应的三维蒙特卡罗模拟研究.采用三维蒙特卡罗软件 Geant4模拟计算了不同能......
H_2受体拮抗剂和质子泵抑制剂(proton pump inhibitors,PPIs)在急性胰腺炎(AP)和慢性胰腺炎(CP)的治疗中,经常被应用.但对于其应用......
The composites of certain nitramine type explosives,TETRYL,RDX and EDNA,with proton in vacuum have been considered withi......
奥美拉唑作为世界上第一个应用于临床的质子泵抑制剂(proton pump inhibitors,PPI)上市,在诸多消化系多酸相关疾病方面取得满意的......
质子具有独特的物理学特性,应用于前列腺癌的治疗,能够提高靶区的照射剂量,显著减少周围正常组织和器官的照射剂量,在照射剂量提高......
目的 观察经皮冠状动脉介入(PCI)治疗后患者同时给予氯吡格雷和质子泵抑制剂(PPI)奥美拉唑的不良临床结局.方法 回顾性分析2006年5......
目的 探讨基底神经节代谢物N-乙酰天门冬氨酸/胆碱复合物(NAA/Cho)、N-乙酰天门冬氨酸/肌酸(NAA/Cr)和Cho/Cr浓度比值的增龄变化规......
目的 比较利用质子与光子进行立体定向放射治疗颅底脊索瘤的疗效. 方法 淄博万杰肿瘤医院神经外科自2004年11月至2008年11月应用质......
基于北京HI-13串列加速器质子源及技术改进工作,获得2~15 MeV低能质子束流。针对商业级65nm工艺4M×18bit大容量随机静态存储器(SR......
放疗的基本原则在于增加肿瘤剂量的同时更好的保护正常组织,质子放疗作为目前最为先进的放疗技术之一,能更好的体现这一原则,应用......
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......
The two two-photon exchange corrections to the unpolarized cross section and polarized observable PT,PL in elastic ep sc......
Studies on Preparation and Properties of Proton Exchange Membranes Based on Phosphotungstic Acid/Sil
Membranes formed by polysulfonamide (PSA) and phosphotungstic acid (PWA) supported on nano-silica have been prepared. Fo......
在弱电统一理论的基础上来考察质子的自旋磁矩问题．将海森堡的整体同位旋概念局域化，在局域同位旋的观念下类比弱电统一模型给出一个......
为研究麦根质膜氧化还原反应与钾离子吸收的关系，比较不同基因型小麦吸钾差异．以水培和短期生物吸收试验方法，检测到小麦根系铁氰化钾......
为筛选更好的乙酰胆碱酯酶抑制剂，应用^1HNMR的方法研究了石杉碱甲的一个类似物——石杉碱戊与乙酰胆碱酯酶的结合性质，获得了加乙酰......
阿司匹林及氯吡格雷相关的胃肠道毒性是一个重要的医疗和社会经济问题。为了预防阿司匹林及氯吡格雷相关的胃肠道毒性,临床常遵循......
采用间歇法（batch method）模拟研究醋酸/醋酸铵缓冲体系中苹果酸对高岭石的溶解特征。结果表明,反应液中Al、Si浓度随苹果酸浓度提高......
研究了纳米器件在空间轨道中质子引起单粒子翻转(SEU)率的预计方法。以65nmSRAM为样品，利用加速器进行了质子和重离子单粒子翻转试......
回顾了世界各实验组在类时过程中电磁形状因子的测量状况,根据BEsⅡ上R值扫描所获取的2.0-3.0GeV各能量点的数据,探讨如何在BES上......
利用水热技术成功合成了两个Co(Ⅱ)配合物[Co(H_(2)L)(bpyBr)_(2)]・2H_(2)O(1)和[Co_(2)(H_(2)L)_(2)(bpyBr)_(2)(H_(2)O)_(3)]_(......
近地空间是各种载人飞船、应用卫星、空间站的主要活动区域,区域内存在大量由地磁场捕获的高能带电粒子,严重影响航天器和航天员的......
目的探讨氟化物对变形链球菌耐氟株质子移位ATP酶活性的影响,并与亲代株进行比较. 方法变形链球菌耐氟株和亲代株菌液经反复冻融后......
对BEPCII-LINAC试验束上1．89GeV脉冲电子轰击铍靶产生的次级粒子进行蒙特卡罗模拟，得到次级粒子的能谱和角度分布谱。Geant4模拟显示......
目的:探析肠胃康颗粒联合质子泵抑制剂用于感染性腹泻患者的临床效果。方法:选取2017年1月至2020年1月马鞍山市中心医院收治的感染......
利用14．2MeV的质子和60↑Co产生的γ射线在200Gy的剂量下分别对添加了不同浓度红景天苷的pUC19质粒DNA样品进行了辐照，凝胶电泳分析......
为探讨质子在人体组织（或组织等效介质）中能量沉积的微观特性，在对人体组织材料进行分析的基础上，确定了水蒸汽作为组织等效材料的合理......
核磁共振（Nuclear Magnetic Resonance，缩写为砌哟技术是当今世界上的尖端技术。本文概述了NMR技术的应用现状，重点论述了NMR技术在环......
