beam相关论文
Effects of wavelength, beam type and size on cerebral low-level laser therapy by a Monte Carlo study
Low-level laser therapy (LLLT) has been clinically utilized for many indications in medicine requiring protection from c......
We demonstrate an all-optical method for controlling the transverse motion of an ionization injected electron beam in a ......
Phase carried by two orthogonal polarizations can be manipulated independently by controlling both the geometric size an......
In modern optics, particular interest is devoted to the phase singularities that yield complicated and twisted phase str......
Flexural rigidity evolvement laws of reinforced concrete beams strengthened with carbon fiber lamina
Extensive research has shown that externally bonded carbon fiber reinforced polymer (CFRP) laminates are particularly su......
报吿23例获得5年以上随访、行术前、术后脑电地形图（BEAM）、脑电图（EEG）检查及术中深部脑电图监护的癫痫病例。BEAM明显好转15例，无改善......
目的 初步探讨视觉运动整合 (VMI)不同发育水平儿童的脑电功率差异。方法 4 2名儿童接受VMI测验 ,脑电图 (EEG)、脑电地形图 (B......
目的:探讨以BEAM方案为主的预处理后行自体外周血干细胞移植(APBSCT)对侵袭性非霍奇金淋巴瘤(NHL)的疗效。方法:诊断为侵袭性NHL患......
Effective improvement of beam lifetime based on radiofrequency phase modulation at the HLS-Ⅱ storage
A radiofrequency (RF) phase modulation method is applied to the Hefei Light Source Ⅱ storage ring to deeply investigate......
目的：探讨偏头痛患者的神经心理及电生理改变，对比研究偏头痛间歇期、发作期的神经心理和神经电生理的变化特点，寻找敏感指标，揭示神经......
1 工程简介rn某工程总建筑面积95 000m2.地下2层,地面以上10层,1～5层为裙楼,总高度46.6m.其顶板采用后张拉有粘结预应力大梁,双向跨......
箔条质心干扰是载机应对来袭导弹的一种重要的自卫手段,对于保护载机免受空空导弹及面空导弹的打击具有重要意义。在对箔条云团进......
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......
设计一种简单的光学元件——抛物缝孔径获得Pearcey光束,基于空间域中的广义惠更斯-菲涅耳衍射积分,导出该系统的Pearcey光束表达......
High power output quasi-continuous-wave nanosecond optical parametric generator based on periodicall
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......
平地机后车架主要由两根纵梁和一根后横梁组成。后车架上安装发动机、传动机构和驾驶室,车架下方固定在后桥上。后车架承受机体质......
口腔颌面锥形束CT( cone beam CT)可提供颌骨及牙齿的三维影像，与传统医用螺旋CT相比，该技术可在较低成本和辐射剂量下提供具有较高......
In this paper,the spline finite element method is developed to investigate free vibration problems of beams.The cubic B-......
CmartBeam(R) 智能远近光灯控制系统使用7CMOS(补足性金属氧化半导体)图像传感器,具备内置的逻辑运算程序,能根据交通光照状况自动......
Energy Harvesting From Sea Waves With Consideration of Airy and JONSWAP Theory and Optimization of E
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......
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......
Consider an elastic thin three-dimensional body made of a periodic distribution of elastic inclusions.When both the thic......
原始文献、二次文献资料、三次文献等术语仅体现文献与论文的外部联系,忽视了学术论文内在的修辞特点。本文从修辞视角,将文献分为......
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......
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......
New type of Y-branch power splitter and beam expander based on eliminating anomalous reflection effe
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......
Active control of bending waves in a periodic beam by the Timoshenko beam theory is concerned. A discussion about the po......
在传统建筑施工安装线管预埋中，通常在梁底模板开洞，进行管线预埋，减少了模板循环次数。本工程通过技术创新，采用梁底模不开洞新工艺，进......
目的 用脑电图(EEG)及脑电地形图(BEAM)对急性脑梗死早期(≤72 h)实施检测,观察其敏感性、变化特点以及对临床诊断的指导价值.方法......
目的研究Alzheimers病(AD)患者认知功能、脑电活动及脑萎缩的相关性.方法对20例AD患者及21例正常老年人进行成套神经心理学评估(MM......
期刊
近年来随着生活水平提高经常性饮酒的越来越多,从临床来看慢性酒精中毒性神精病已越来越受到重视.脑电图(EEG)脑电地形图(BEAM)是......
In order to meet the requirement of structural inspection,the crack spacing and crack width at various heights in the te......
A NEW APPROACH TO FREE VIBRATION ANALYSIS OF A BEAM WITH A BREATHING CRACK BASED ON MECHANICAL ENERG
In this paper, a new approach to free vibration analysis of a cracked cantilever beam is proposed. By considering the ef......
Eighteen reinforced concrete beams, including 16 beams strengthened with CFRP laminate at different levels of preload an......
Transient response of a beam on viscoelastic foundation under an impact load during nondestructive t
Beam responses under an impact NDT load are studied using the Fourier and Laplace transforms. Numerical computation is p......
本文讨论了当其几何、物理参数以及两端支承方式关于跨度中点为对称时杆、梁离散系统所特有的振动特性，指出具有对称性的杆、梁离散......
本文运用Mangan,et al的理论与光束传播法对多芯光纤耦合器进行特性、数值模拟分析,提出了一种1×3的多芯光子晶体耦合器,其在1300......
梁结构在工程设计中有着广泛应用，其支承情况多种多样，往往不能简单地按理想的固支或简支梁来处理。以一种混合边界条件下短梁结构为......
The eigenvalue problems of the buckling loads and natural frequencies of a braced beam on an elastic foundation are inve......
Based on the multi-rigid body discretization model, namely, finite segment model,a chain multi-rigid-body-hinge-spring s......
