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Investigationofopticalemissionspectroscopyindiamondchemical...
来自 : CSDN技术社区 发布时间:2021-03-25
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Modeling and Simulation Techniques in Structural Engineering

2019-01-07

Modeling and Simulation Techniques in Structural Engineering (Advances in Civil and Industrial Engineering)By 作者: Pijush SamuiISBN-10 书号: 1522505881ISBN-13 书号: 9781522505884Edition 版本: 1出版日期: 2016-08-12pages 页数: 524The development of new and effective analytical and numerical models is essential to understanding the performance of a variety of structures. As computational methods continue to advance, so too do their applications in structural performance modeling and analysis.Modeling and Simulation Techniques in Structural Engineering presents emerging research on computational techniques and applications within the field of structural engineering. This timely publication features practical applications as well as new research insights and is ideally designed for use by engineers, IT professionals, researchers, and graduate-level students.Chapter 1:Acoustic Method for the Suppression of Acoustic andAerodynamically Induced Vibration on StructuresChapter 2:Agent Based Modelling of Smart StructuresChapter 3:Definition of Static Nonlinear Procedure and Flexibility-BasedModel with Application on 2D Model for an Existing Structure andComparing Results with Time History AnalysisChapter 4:Experiments on a Ring Tension Setup and FE Analysis to EvaluateTransverse Mechanical Properties of Tubular ComponentsChapter 5:Dynamic Analysis of Offshore Wind Turbine StructuresChapter 6:Seismic Reliability Analysis in the Framework of MetamodellingBased Monte Carlo SimulationChapter 7:Finite Element Analysis of Pipe Bends under External LoadsChapter 8:Fuzzy Structural Analysis Using Surrogate ModelsChapter 9:FE Analysis and Experimental Investigation of Cracked andUn-Cracked Thin-Walled Tubular Components to Evaluate Mechanical andFracture PropertiesChapter 10:MARS and Neural Network Models for Shear Strength Predictiorof Squat Reinforced Concrete WallsChapter 11:Nonlinear System Identification of Smart BuildingsChapter 12:Polynomial Correlated Function ExpansionChapter 13:Prevention of Corrosion in Austenitic Stainless Steel through aPredictive Numerical Model Simulating Grain Boundary ChromiumDepletionChapter 14:Risk Analysis of Structural Engineering Systems Using BayesianInferenceChapter 15:Simulating Post-Earthquake Fire Loading in Conventional RCStructuresChapter 16:Structural Integrity Assessment and Control of Ageing Onshoreand Offshore Structures

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An Investigation of the Laws of Thought

2016-05-09

乔治 布尔(George Boole,1815.11.2~1864),1815年11月2日生于英格兰的林肯。19世纪最重要的数学家之一,出版了《逻辑的数学分析》,这是它对符号逻辑诸多贡献中的第一次。1854年,他出版了《思维规律的研究》,这是他最著名的著作。在这本书中布尔介绍了现在以他的名字命名的布尔代数。

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Experimental investigation of spontaneous emission characteristics of InGaAs-based indium-rich cluster-induced special quantum structure

2021-01-26

The unamplified spontaneous emission (SE) is one of the important physical processes of the light matter interaction in a diode laser in terms of Einstein s theory. The recent research on a kind of new indium-rich cluster (IRC) laser structure did not reveal SE characteristics of the IRC structure, as its unusual quantum confined structure made it difficult to acquire correctly the SE spectra through theoretical simulation or previous experimental techniques. Thus, in this Letter, we firstly est

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Raman scattering investigation of calcium tetraboride

2020-02-08

钙硼化合物的拉曼散射研究,韩宪越,于栋利,本文应用群伦和拉曼散射技术研究了CaB4化合物的晶格振动行为,群伦研究表明CaB4晶体的布里渊区Г点应存在四种拉曼激活振动模式。应�

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Investigation of cold collision in a Rb-Cs magneto-optical trap

2020-02-08

Rb-Cs磁光阱中的超冷碰撞,姬中华,赵延霆,文章报告了在激光冷却和俘获中超冷Rb和Cs不同原子间的碰撞损耗率。实验通过测量在有和无Cs原子时Rb冷原子团的装载特性测量了Rb-Cs碰�

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Investigation of optical reflectance from different animal vertebra along the fixation trajectory of pedicle screw in frequency domain

2021-01-26

Accurate placement of pedicle screw (PS) is crucial in spinal surgery. Developing new real-time intra-operative monitoring and navigation methods is an important direction of clinical application research. In this paper, we studied the spectrum along the fixation trajectory of PS in frequency domain to tackle the accuracy problem. Fresh porcine vertebrae, bovine vertebrae and ovine vertebrae were measured with the near-infrared spectrum (NIR) device to obtain the reflected spectrum from the vert

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Experimental investigation on styrene emission with a 1000m3/h plasma system

2020-03-10

1000m3/h风量低温等离子体系统治理苯乙烯研究,章旭明,闫克平,本文报道了在1000 m3/h闭循环实验平台上,采用直流电晕放电处理低浓度苯乙烯。实验结果显示辉光放电的处理效率远远低于流光放电。在

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Investigation of optical limiting based on the combination of stimulated Brillouin scattering and carbon nanotube/HT-270 suspension

2021-02-06

In order to improve the optical limiting performance based on stimulated Brillouin scattering (SBS), a combination of SBS and carbon nanotube/HT-270 suspension for optical limiting is proposed in this paper. The dependence of output energy of optical limiting based on this hybrid approach on the pump energy is numerically simulated, and validated in Continuum s Nd: YAG seed-injected laser. The results indicate that the output energy based on this hybrid approach shows much better performance com

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Experimental Investigation of Anode Activities in High-Current Vacuum Arcs

2020-02-14

大电流真空电弧中阳极活动的实验调查,杨鼎革,王立军,真空电弧中电极的熔化(主要是阳极的熔化)会增大电流过零时刻的金属蒸汽密度,甚至导致开断的失败。为了澄清阳极活动及其对电弧特�

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Investigation of Solid Waste Management and its environmental problem in El

2020-02-07

Investigation of Solid Waste Management and its environmental problem in El,John Leju Celestino Ladu,Marcelino Tombe Jada,This study attempts to investigate the management of solid wastes and evaluateother related environmental and human health aspects. El Obied accordingly was th

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Investigation of Elliptical Vortex Beams Propagating in Atmospheric Turbulence by Numerical Simulations

2019-12-28

椭圆涡旋光束在湍流大气中传输特性的数值模拟研究,陶峥,王海燕,本文以涡旋椭圆光束为研究对象,构造了随机相屏,采用数值模拟的方法,研究了涡旋光束在湍流大气中的传输特性, 详细地研究了拓扑荷数,

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Investigation of mid-infrared emission characteristics andenergy transfer dynamics in Er3+ doped oxyfluoride tellurite glass

2021-02-11

Investigation of mid-infrared emission characteristics andenergy transfer dynamics in Er3+ doped oxyfluoride tellurite glass

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Investigation of emission properties of Tm3+:Y2O3 transparent ceramic

2021-02-09

A transparent and emitting ceramic of Y2O3 doped with 6% Tm3+ ions is fabricated by vacuum sintering with ZrO2. Absorption, photoluminescence (PL), and PL excitation (PLE) spectra are investigated in a spectral range of 200 to 2 100 nm at various temperatures between 296 and 12 K. Intense emission band appears at 450 to 465 nm in the visible range. Near-infrared emission bands are observed at 1 200 to 1 300 nm and 1 400 to 1 550 nm, with intense peaks at 1 270, 1 450, and 1 523 nm. The luminesce

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Investigationof In-Band OSNR Monitoring Technique Using Power Ratio

2013-02-23

TITLE: Investigation of In-Band OSNR Monitoring Technique Using Power RatioAbstract We propose and demonstrate an in-band optical signal-to-noise ratio (OSNR) monitoring technique using the output power ratio (PR) of the nonlinear optical loop mirror (NOLM) theoretically and experimentally. Operation point (OP) is investigated to be the input average power which corresponds to the first maximum of the power ratio curve. The monitoring performances using PR are proved to be better than those just using one output port of NOLM for on-off keying (OOK) and differential phase-shift-keying (DPSK) signals with different duty cycles: non-return-to-zero (NRZ), carrier-suppressed return-to zero (CSRZ), return-to-zero (RZ) with 50% and 33% duty cycle (RZ 50 and RZ 33) at 40 Gb/s. For 80 Gb/s RZ-differentialquadrature phase-shift keying (DQPSK) signal, we obtained 12.16 dB maximum power variation and 13 39.8 dB monitoring range experimentally.

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Experimental investigation of the phase equilibria in the Co-Nb-V ternary system

2020-01-07

Co-Nb-V 三元系等温截面相图的实验测定,王翠萍,杨双,Co基高温合金一直是最近研究的热点。本研究采用添加Nb、V元素的方式,测定Co基高温合金的高温相的变化情况。通过电子探针和X射线衍�

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Investigation of Polaron Pair Dynamics in Poly(3-Hexylthiophene) Film by Time Resolved Spectroscopy

2021-02-20

Polaron pair dynamics in regioregular Poly (3-hexylthiophene) (RR-P3HT) film was studied by applying both femtosecond transient absorption and fluorescence up-conversion techniques. The comparison of the dynamics of the pure fluorescence, the ground state bleaching recovery and the polaron pair absorption reveals that the polaron pairs decay back to the ground state of certain morphological places with distinct absorption features, instead of the singlet excited state.

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Evaluation of reference genes for investigation of gene expression profiles in chorioallantois from Meishan and Yorkshire pigs on gestational days 26 and 50

2020-02-15

梅山和大白猪妊娠早中期胎盘绒毛膜组织基因表达谱内参基因的筛选,侯春艳,余梅,在使用定量PCR(qPCR)对基因表达进行精确定量时,选择合适的内参基因尤其重要。猪的绒毛膜组织对于孕体/胎儿生长乃至存活十分重要�

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Investigation of Defect Levels of Al/Ti 4H-SiC Schottky structures by Deep Level Transient Spectroscopy

2021-02-08

Investigation of Defect Levels of Al/Ti 4H-SiC Schottky structures by Deep Level Transient Spectroscopy

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Investigation of thermal features of two types of alkali-vapor cells pumped by a laser diode

2021-02-05

We develop a new algorithm to evaluate the thermal features of a rubidium-vapor cell and a cesium-vapor cell pumped by the laser diode. The theoretical model is based on the principles of both heat transfer and laser kinetics. The obtained population density distribution and the radial temperature distribution are analyzed for both types of cells. It is thought that the theoretical results are logically reasonable and the mathematical precision is satisfactory in designing a real diode-pumped a

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发布于 : 2021-03-25 阅读(0)
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