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Towards Bio-impedance Based Labs： A Review

Journal of Electrical Engineering 2016年第3期4卷 116-127页

作者： Pablo Perez andres Maldonado Alberto Yufera Gloria Huertas Adoracion Rueda Jose Luis Huertas Instituto de Microelectr6nica de Sevilla Universidad de Sevilla CSIC Sevilla 41092 Spain Dpt. Electronic Technology ETSIL Universidad de Sevilla Sevilla 41012 Spain Dpt. Electronic and Electromagnetism F. Physics Universidad de Sevilla Sevilla 41012 Spain

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Geometrical Evaluation of Cervical Cells. Fractal and Euclidean Diagnostic Methodology of Clinical Application

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Journal of Biosciences and Medicines 2018年第3期6卷 111-122页

作者： Javier Rodriguez Velasquez Miguel Sanchez Cardenas Freddy andres Barrios Arroyave Yolanda Soracipa Munoz Insight Group Research Center of the Clinica del CountryBogotaColombia Research and Social Projection.the Health Sexual and Reproductive Research GroupUniversidad el BosqueBogotaColombia Sexual and Reproductive Health Universidad el Bosque BogotaColombia Epidemiology and Biostatistics CES UniversityMedellinColombia Epidemiology and Biostatistics Research Group CES University and GISCO(Health and Community Research Group)Fundacion Universitaria Autonoma de las AmericasPereiraColombia

Background: The concomitant use of fractal and Euclidian measurements has led to the development of new methodologies of cell evaluation, including a diagnosis of cervical cells that set up differences between normality and various degrees of lesion, to carcinoma. Aim: To confirm the diagnostic capacity of the methodology based on fractal and Euclidian geometry for the mathematical diagnosis through a blind study of normal cells and with different types of lesion, as atypia of undetermined significance (ASCUS), low grade squamous intra-epithelial lesion (LGSIL) and high grade squamous intra-epithelial lesion (HGSIL). Methods: 100 cells of Papanicolaou tests were analyzed and divided into 4 groups according to conventional parameters: 25 normal, 25 ASCUS, 25 LGSIL and 25 HGSIL. By means of the Box-counting Fractal Space, we calculated the fractal dimension and occupying spaces of the border and surface in pixels of the cell nucleus and cytoplasm. The diagnostic parameters of the previously developed methodology were applied and compared with the conventional diagnosis, setting up sensibility, specificity, negative likelihood ratio and Kappa coefficient. Results: The values of the occupation of the border and surface of the cell nucleus and cytoplasm were consistent with the values found by the diagnostic methodology previously found. The subtraction of the nucleus and cytoplasm frontiers presented values between: 189 and 482 for normality;159 and 432 for ASCUS;126 to 401 for LGSIL and 39 to 122 for HGSIL. A sensitivity and specificity of 100%, and a Kappa coefficient of 1 were obtained. Conclusions: The capacity of the methodology to diagnose quantitatively the different stages in the evolution of the cervical cells observed in Papanicolaou tests was confirmed, from normality to HGSIL.

关键词： Fractals Cervical Cancer Cytology Mathematics

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Nonlinear Turbo Codes For Higher-Order Modulations

Nonlinear Turbo Codes For Higher-Order Modulations

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2008 IEEE International Conference on Communications(ICC 2008)

作者： Miguel Griot andres I.Vila Casado Richard Wesel Dept.of Electrical Engineering University of CaliforniaLos AngelesCA 90095

Parallel concatenated trellis coded modulation （PCTCM） has been traditionally designed using parallel concatenated convolutional codes with a bits-to-symbol mapper. However,this paper shows that for higher-order modulations using linear codes is too restrictive. Parallel Concatenated Nonlinear Trellis Coded Modulation （PC-NLTCM） that directly assigns constel-lation points as output-labels to the branches of the trellis can outperform PC-TCM. Simulation results are shown for a 2 bits/s/Hz 16-state nonlinear turbo code with 8PSK. This code is less than 0.43 dB away from the Shannon limit at a BER = 10 5 with an interleaver length of 10000 bits,and outperforms previous published linear turbo code by around 0.2 dB. This paper also provides an extension of Benedetto’s uniform interleaver analysis for nonlinear constituent codes,which accurately predicts the BER of the PC-NLTCM at high SNR.

关键词： Channel coding information rates turbo codes nonlinear codes PSK trellis codes parallel concatenated trellis codes

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Mixing Efficiency across Rayleigh-Taylor and Richtmeyer-Meshkov Fronts

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Open Journal of Fluid Dynamics 2015年第2期5卷 145-150页

作者： Jose Manuel Redondo Pilar Lopez Gonzalez-Nieto Jose Leandro Cano German andres Garzon Applied Physics Department Politecnica University of Catalu&#241 a (UPC) Barcelona Spain Applied Mathematics Department Complutense University of Madrid (UCM) Madrid Spain Earth Physics Astronomy and Astrophsics II Department Complutense University of Madrid (UCM) Madrid Spain

Mixing generated by gravitational acceleration and the role of local turbulence measured through multifractal methods is examined in numerical experiments of Rayleigh-Taylor and Richtmyer-Meshkov driven front occurring at density interfaces. The global advance of the fronts is compared with laboratory experiments and Nusselt and Sherwood numbers are calculated in both large eddy simulation (LES) and kinematic simulation KS models. In this experimental method, the mixing processes are generated by the evolution of a discrete set of forced turbulent plumes. We describe the corresponding qualitative results and the quantitative conclusions based on measures of the density field and of the height of the fluid layers. We present an experimental analysis to characterize the partial mixing process. The conclusions of this analysis are related to the mixing efficiency and the height of the final mixed layer as functions of the Atwood number, which ranges from 9.8 × 10−3 to 1.34 × 10−1.

关键词： Rayleigh-Taylor Instability Richtmyer-Meshkov Instability Mixing Efficiency Front Evolution Fractal Dimension

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Age, Maximum Cup Depth, Central Corneal Thickness, Disc Area and Mean Defect in Patients with Open Angle Glaucoma and Ocular Hypertension

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Open Journal of Ophthalmology 2016年第3期6卷 150-157页

作者： Valentin T. Diaz-Aleman Marta Gonzalez-Hernandez Denisse Angel-Pereira andres Blasco-Alberto Department of Ophthalmology Hospital Universitario de Canarias S/C de Tenerife Spain

Purpose: The main objective was to analyze the relationship between maximum cup depth (MCD), mean defect (MD), central corneal thickness (CCT), age and disc area, in patients with ocular hypertension (OHT) and primary open angle glaucoma (POAG). Methods: Cross-sectional study of patients diagnosed with OHT and POAG. Visual fields were obtained using an Octopus 300 analyzer, TOP strategy. MCD and disc area were obtained using a Heidelberg Retina Tomograph. Results: The study sample comprised 234 eyes of 143 patients, 91 women and 52 men, mean age 63.55 years (SD 10.49). Mean values were: MCD 0.52 mm (SD 0.27), MD 2.78 dB (SD 5.02), CCT 543.5 μm (SD 36.63), IOP 16.73 mmHg (SD 2.93), and disc area 2.01 mm2 (SD 0.39). A significant correlation was observed between MCD and age in patients under 60 years, between MCD and disc area, and between MD and disc area. Conclusions: Our study showed a correlation between MCD and age which was significant in patients under 60 years of age, between MCD and disc area and between MD and disc area, suggesting that the larger the disc area, the greater the MCD and the MD in patients with OHT and POAG.

关键词： POAG OHT Disk Area Maximum Cup *Corresponding

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透视玻璃工业

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中国贵金属 2006年第11期 35-36页

作者： Dave andres 欧文斯科宁公司全球贵金属和能源主管

如何将玻璃工业和化学工业与汽车工业进行比较？它们的异同何在？

关键词：玻璃工业汽车工业化学工业

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智能的定量控制系统

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流程工业 2012年第17期 41-42页

作者： andres Marques Gericke公司

实现连续生产过程中定量控制的自动调节越来越多的连续性生产过程对固体物质材料的定量控制设备提出了更高的要求。连续的定量控制系统的出现使得批量生产设备中的节拍式原材料流更加完美，也使得生产设备更加紧凑。为了使生产过程更... 详细信息

实现连续生产过程中定量控制的自动调节越来越多的连续性生产过程对固体物质材料的定量控制设备提出了更高的要求。连续的定量控制系统的出现使得批量生产设备中的节拍式原材料流更加完美，也使得生产设备更加紧凑。为了使生产过程更加可靠，需要精心设计这一定量控制系统。

关键词：定量控制系统连续生产过程智能生产设备自动调节控制设备物质材料连续性

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Conversion disorder in a neurological emergency department:Restrospective series

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Journal of Acute Disease 2017年第5期6卷 218-221页

作者： Alejandro Cardozo Maria-Alejandra Rubiano Giovanny Garces Jaime-andres Giraldo Jose Bareno Emergency Medicine Physician Emergency DepartmentInstituto Neurologico de Colombia General physician Emergency Department Instituto Neurologico de Colombia Emergency Medicine Resident Universidad CES Research and Teaching Instituto Neurologico de Colombia

Objective: To observe the conversion disorder in a neurological emergency department. Methods: It is common that the initial approach to this patients include the use of various diagnostic exams. In this series we reviewed 94 patients that arrived a neurological emergency room in a 3 year period. Results: 72 patients were females (76%), and the initial presumptive diagnosis were: neurovascular syndrome in 36 patients (38.3%), convulsive disorder in 20 patients (21.28%), and conversive disorder in 8 patients (8.51%). 82 patients had motor symptoms and 61 sensitive symptoms. 88 patients (93%) required neuroimaging studies, 77 (81%) patients underwent through basic biochemical panels. Other tests performed were:electroencephalogram in 12 patients (12.77%), electromyography in 11 patients (11.7%), lumbar punction in 8 patients (8.04%) and regarding the medical consult in the care of these patients 11 were evaluated by 1 specialists, 35 (37.2%) by 2 different specialties, 42 (44.63%) patients required evaluation by 3, and 6 patients (6.38%) required evaluation by 4 different specialties. Conclusions: Based on this data, we conclude that conversion disorders require a lot of resources in the emergency room and that the similarities with neurological diseases demands a complete workup including expensive diagnostic tools. However, this patients can be discharged safely without requiring hospitalization.

关键词： Conversion disorder Neurological symptoms Clinical

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基于SR7265硬件的虚拟锁相放大器、频谱仪、阻抗计和半导体参数分析仪（英文）

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Journal of Measurement Science and Instrumentation 2018年第1期9卷 50-58页

作者：白江华 Freeouf L John andres La Rosa 美国波特兰州立大学物理系

锁相放大器是用来测量微弱信号的专用仪器。即使噪音上千倍于被测信号,通过锁相放大器,也能得到精确结果。随着数字信号处理技术在仪器中的应用,可编程仪器变得越来越灵活。结合虚拟仪器的技术,论文通过对SR7265的硬件重新编程,在同一... 详细信息

锁相放大器是用来测量微弱信号的专用仪器。即使噪音上千倍于被测信号,通过锁相放大器,也能得到精确结果。随着数字信号处理技术在仪器中的应用,可编程仪器变得越来越灵活。结合虚拟仪器的技术,论文通过对SR7265的硬件重新编程,在同一个硬件上实现了虚拟锁相放大器、虚拟频谱仪、虚拟阻抗计和虚拟半导体参数分析仪等等功能。本虚拟仪器采用了4层的逻辑结构。同样的功能也在一个FPGA板上成功地部署。

关键词：虚拟锁相放大器虚拟频谱仪虚拟阻抗计虚拟半导体参数分析仪 4层逻辑结构

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High-quality-factor tantalum oxide nanomechanical resonators by laser oxidation of TaSe2

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Nano Research 2015年第9期8卷 2842-2849页

作者： Santiago J. CartamiI-Bueno Peter G. Steeneken Frans D. Tichelaar Efren Navarro-Moratalla Warner J. Venstra Ronald van Leeuwen Eugenio Coronado Herre S.J. van der Zant Gary A. Steele andres Castellanos-Gomez Kavli Institute of Nanoscience Delft University of Technology Lorentzweg 1 2628 CJ Delft The Netherlands Kavli Institute of Nanoscience Delft University of Technology National Centre for HREM Lorentzweg 1 2628 CJ Delft The Netherlands Instituto Ciencia Molecular (ICMol) Univ. Valencia C/Catedrdtico Jos@ Beltrdn 2 E-46980 Paterna Spain

Controlling the strain in two-dimensional （2D） materials is an interesting avenue to tailor the mechanical properties of nanoelectromechanical systems. Here, we demonstrate a technique to fabricate ultrathin tantalum oxide nanomechanical resonators with large stress by the laser oxidation of nano-drumhead resonators composed of tantalum diselenide （TaSe2）, a layered 2D material belonging to the metal dichalcogenides. Before the study of their mechanical properties with a laser interferometer, we verified the oxidation and crystallinity of the freely suspended tantalum oxide using high-resolution electron microscopy. We demonstrate that the stress of tantalum oxide resonators increases by 140 MPa （with respect to pristine TaSe2 resonators）, which causes an enhancement in the quality factor （14 times larger） and resonance frequency （9 times larger） of these resonators.

关键词： TaSe2,tantalum oxide,mechanical resonators,laser oxidation,optical interferometer,high quality factor

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