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determination of riding comfort on cycleways using a smartphone application

Journal of Traffic and Transportation Engineering(English Edition) 2024年第4期11卷 747-760页

作者： Anna Niska Leif Sjögren Peter Andrén christian Weber Tineke de Jong Aslak Fyhri department of Infrastructure Maintenance Swedish National Road and Transport Research Institute(VTI)Linköping SE-58195Sweden department of Safety and Behavior Institute of Transport EconomicsGaustadalleen 210349 OsloNorway

Well maintained cycleways will encourage more people to cycle,as the condition of cycleways is important for the safety,accessibility and riding comfort of *** that,only a few models used to describe the quality of service for cyclists take the surface condition into *** measuring methods are needed to enable reliable and effective assessment of surface conditions,and measurable performance criteria related to the needs of cyclists should be *** purpose of this study has been to test the reliability and validity of using accelerometers in smartphones to assess the riding comfort on cycleways.A smartphone application converting three-dimensional accelerometer measurements into a single indicator for cycleways has been used to assess road surfaces in two field studies,in Sweden and Norway,*** studies assessed test sections of varying *** relate the measurements to subjective riding comfort assessments by cyclists,recruited cyclists collected quantitative data using the app,whilst also rating their perceived riding comfort by completing a *** were also related to standard road surface condition indicators,generated from a road surface tester equipped with 19 laser sensors:international roughness index(IRI),mega-and *** results show that it is possible to describe the unevenness of a cycleway using the technology present in smartphones.A software application can be used to collect and analyse data from the acceleration sensors in the phone,which can then be used to describe the riding comfort of *** is mainly the unevenness in the 50-1000 mm sizerange that create the greatest discomfort for cyclists,and intermittent vibrations are perceived as more uncomfortable than more evenly distributed ***,IRI is not a relevant measurement for describing the riding comfort of cyclists.

关键词： Cyclist Comfort Assessment Road surface measurement Smartphone application

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Left-sided gallbladder:A rare biliary tree anomaly

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Hepatobiliary & Pancreatic Diseases International 2023年第6期22卷 655-657页

作者： Fabio Rondelli Walter Bugiantella christian Ivan Zapana Chillitupa Claudio Marcacci Michele de Rosa department of Surgical and Biomedical Sciences School of MedicineUniversity of PerugiaVia G.Dottori06100PerugiaItaly General and Specialized Surgery Unit “Santa Maria”HospitalVia T.Di Joannuccio105100TerniItaly department of General Surgery “Nuovo San Giovanni Battista”HospitalUsl Umbria 2Via M.Arcamone106034FolignoPGItaly

To the Editor:Hepatobiliary anatomical variations may increase the complexity of surgery with a relevant risk of iatrogenic ***-sided gallbladder(LSG)is a rare and little known condition whereby the viscus is located on the visceral surface of the left lobe of the liver and is often discovered unexpectedly during *** position of the gallbladder over the liver pedicle and the simultaneous presence of variations in the liver vascularization are potentially associated to a challenging surgical dissection and consequently to an increased risk of *** open approach remains an option in more complex procedures,cholecystectomy is usually performed with a minimally invasive technique,which is generally safe even in the rare case of an LSG,as long as a high level of awereness of anatomical variations and a careful surgical dissection are pursued.

关键词： gallbladder surgery sided

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Insensitive high explosives:Ⅳ. Nitroguanidine-Initiation & detonation

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defence Technology（防务技术） 2019年第4期15卷 467-487页

作者： Ernst-christian Koch Lutradyn-Energetic Materials

This paper reviews the detonative properties of low bulk density(LBD),high bulk density(HBD)Nitroguanidine(NGu)(1),CAS-No:[556-88-7]and 82 explosive formulations based on NGu reported in the public *** rank the performance of those formulations they are compared with 15 reference compositions containing both standard high explosives such as octogen(HMX)(2),hexogen(RDX)(3),pentaerythritol tetranitrate(PETN)(4),2,4,6-trinitrotoluene(TNT)(5)as well as insensitive high explosives such as 3-nitro-1,2,4-triazolone(NTO)(6),1,3,5-triamino-2,4,6-trinitrobenzene(TATB)(7),1,1-diamino-2,2-dinitroethylene(FOX-7)(8)and N-Guanylurea dinitramide(FOX 12)(9).NGu based formulations are superior to those based on FOX-12 or TATB and are a close match with FOX-7 based explosives,the latter just having higher Gurney Energies(-10%)and slightly higher detonation pressure(+2%).NGu based explosives even reach up to 78% of the detonation pressure,82% Gurney energy and up to 95% of detonation velocity of ***-NGu dissolves in many melt cast eutectics forming dense charges thereby eliminating the need for costly High Bulk density *** based formulations are at the rock bottom of sensitiveness among all the above-mentioned explosives which contributes to the safety of these *** review gives 132 references to the public *** a review on the synthesis spectroscopy and sensitiveness of Nitroguanidine see Ref.[1].

关键词： Cook-off detonation Insensitive munitions Nitroguanidine Shock sensitvity

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Special materials in pyrotechnics Ⅶ: Pyrotechnics used in thermal batteries

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defence Technology（防务技术） 2019年第3期15卷 254-263页

作者： Ernst-christian Koch Lutradyn Energetic Materials Science & Technology

Thermal batteries are unique direct current(DC) electrical power sources with long shelf live, high reliability and higher power density than classical alkaline batteries. This paper gives a brief overview into the working principle of thermal batteries and reviews the properties of zirconium/barium chromate(Zr/BaCrO4) pyrolant previously used as first fire and iron/potassium perchlorate(Fe/KClO4) pyrolant(Heat), commonly applied as heating pellet in thermal batteries and its hazard properties. The review gives 64 references to the public domain. CAS-Nos. Zr: [7440-67-7], BaCrO4: [10294-40-3], Fe: [7439-89-6], KClO4: [7778-74-7], Viton: [9011-17-0].CAS-Nos. Zr: [7440-67-7], BaCrO4: [10294-40-3], Fe: [7439-89-6], KClO4: [7778-74-7], Viton: [9011-17-0].

关键词： Barium chromate Heat-powder Iron Lithium Molten salt Potassium perchlorate Pyrotechnics Thermal battery Zirconium

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The sound of host-SARS-CoV-2 molecular interactions

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The Innovation 2021年第3期2卷 5-6页

作者： Joséde la Fuente Juan J.Pastor Comín christian Gortázar SaBio.Instituto de Investigación en Recursos Cinegéticos IREC-CSIC-UCLM-JCCM Ronda de Toledo s/n13005 Ciudad RealSpain department of Veterinary Pathobiology Center for Veterinary Health SciencesOklahoma State UniversityStillwaterOK 74078USA Centro de Investigación y Documentación Musical CIDoM-UCLM-CSIC Facultad de Educación de Ciudad RealRonda Calatrava 313071 Ciudad RealSpain

Host-and virus-derived factors are key drivers of the COVID-19 pandemic(Gortázar et al.).1 The interaction between the severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)spike glycoprotein(S)and host cell membrane angiotensin I converting enzyme 2(ACE2)receptor is highly dynamic,mediates virus infection,and is the main target for protective antibody response2.

关键词： ACE2 protective acute

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deep learning for geometric and semantic tasks in photogrammetry and remote sensing

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Geo-Spatial Information Science 2020年第1期23卷 10-19页

作者： christian Heipke Franz Rottensteiner Institute of Photogrammetry and GeoInformation(PI) Leibniz University HannoverHannoverGermany

During the last few years,artificial intelligence based on deep learning,and particularly based on convolutional neural networks,has acted as a game changer in just about all tasks related to photogrammetry and remote *** have shown partly significant improvements in many projects all across the photogrammetric processing chain from image orientation to surface reconstruction,scene classification as well as change detection,object extraction and object tracking and recognition in image *** paper summarizes the foundations of deep learning for photogrammetry and remote sensing before illustrating,by way of example,different projects being carried out at the Institute of Photogrammetry and GeoInformation,Leibniz University Hannover,in this exciting and fast moving field of research and development.

关键词： deep learning machine learning convolutional neural networks(CNN) example project from IPI

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Intranasal neprilysin rapidly eliminates amyloid-beta plaques, but causes plaque compensations: the explanation why the amyloid-beta cascade may fail?

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Neural Regeneration Research 2022年第9期17卷 1881-1884页

作者： christian Humpel Laboratory of Psychiatry and Experimental Alzheimer’s Research Medical University of InnsbruckInnsbruckAustria

Neurodegenerative brain disorders are a major burden in our society,such as Alzheimer´s *** order to repair or prevent such diseases,drugs are designed which enter the brain,but the blood-brain barrier limits their entry and the search for alternative pathways is ***,we reported that intranasal delivery of the amyloid-beta degrading enzyme neprilysin eliminated amyloid-beta plaques in transgenic Alzheimer´s disease *** review describes the anatomical structure of the intranasal pathway,explains the intranasal delivery of pure neprilysin,cell-loaded neprilysin(platelets)and collagen-embedded neprilysin to destruct amyloid-beta plaques in Alzheimer´s disease in transgenic APP_SweDI mice and hypothesizes why this may cause compensation and why the amyloid-beta cascade hypothesis may fail.

关键词： amyloid-beta amyloid-beta degrading enzyme clear plaque collagen biomaterial intranasal neprilysin nose-to-brain

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Multielement determination in orange juice by ICP-MS associated with data mining for the classification of organic samples

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Information Processing in Agriculture 2017年第3期4卷 199-205页

作者： christian Turra Marcio Dias de Lima Elisabete A.de Nadai Fernandes Marcio Arruda Bacchi Fernando Barbosa Jr. Rommel Barbosa Centro de Energia Nuclear na Agricultura Universidade de Sao PauloPiracicabaBrazil USP-Ribeirao Preto Brazil Instituto de Informatica Universidade Federal de GoiasGoianiaGOBrazil Instituto Federal de Educacao Ciencia e Tecnologia de Goias GoianiaGOBrazil

The aim of this study was to discriminate organic from conventional orange juice based on chemical elements and data mining applications.A comprehensive sampling of organic and conventional oranges was carried out in Borborema,state of Sao Paulo,*** fruits of the variety Valencia(Citrus sinensis(L.)Osbeck)budded on Rangpur lime(Citrus limonia Osbeck)were *** chemical elements were determined in 57 orange samples grown in organic and conventional *** order to classify these samples,data mining techniques(Support Vector Machine(SVM)and Multilayer Perceptron(MLP))were combined with feature selection(F-score and chi-squared).SVM with chi-squared had a better performance compared with the other techniques because it reached 93.00% accuracy using only seven chemical components(Cu,Cs,Zn,Al,Mn,Rb and Sr),and correctly classified 96.73% of the samples grown in an organic system.

关键词： Data mining Support vector machines Multilayer perceptron Orange juice Trace elements Inductively coupled plasma mass spectrometry(ICP-MS)

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Cross-Talk between ROS and Calcium in Regulation of Nuclear Activities

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Molecular Plant 2010年第4期3卷 706-718页

作者： christian Mazars Universite de Toulouse UPS UMR 5546 Surfaces Cellulaires et Signalisation chez les Vegetaux BP 42617 F-31326 Castanet-Tolosan France CNRS UMR 5546 BP 42617 F-31326 Castanet-Tolosan France Universite de Bourgogne UMR Plante-Microbe-Environnement BP 86510 21065 Dijon cedex France UMR INRA 1088 CNRS 5184 Universite de Bourgogne Plante-Microbe-Environnement BP 86510 21065 Dijon cedex France

Calcium and Reactive Oxygen Species （ROS） are acknowledged as crucial second messengers involved in the response to various biotic and abiotic stresses. However, it is still not clear how these two compounds can play a role in different signaling pathways leading the plant to a variety of processes such as root development or defense against pathogens. Recently, it has been shown that the concept of calcium and ROS signatures, initially discovered in the cytoplasm, can also be extended to the nucleus of plant cells. In addition, it has been clearly proved that both ROS and calcium signals are intimately interconnected. How this cross-talk can finally modulate the translocation and/or the activity of nuclear proteins leading to the control of specific genes expression is the main focus of this review. We will especially focus on how calcium and ROS interact at the molecular level to modify their targets.

关键词： Nucleus Calcium ROS Crosstalk Signalling.

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Integrating geometallurgical ball mill throughput predictions into short-term stochastic production scheduling in mining complexes

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International Journal of Mining Science and Technology 2023年第2期33卷 185-199页

作者： christian Both Roussos Dimitrakopoulos COSMO–Stochastic Mine Planning Laboratory Department of Mining and Materials EngineeringMcGill UniversityMontreal H3A 0E8Canada

This article presents a novel approach to integrate a throughput prediction model for the ball mill into short-term stochastic production scheduling in mining *** datasets for the throughput prediction model include penetration rates from blast hole drilling(measurement while drilling),geological domains,material types,rock density,and throughput rates of the operating mill,offering an accessible and cost-effective method compared to other geometallurgical ***,the comminution behavior of the orebody was geostatistically simulated by building additive hardness proportions from penetration rates.A regression model was constructed to predict throughput rates as a function of blended rock properties,which are informed by a material tracking approach in the mining ***,the throughput prediction model was integrated into a stochastic optimization model for short-term production *** way,common shortfalls of existing geometallurgical throughput prediction models,that typically ignore the non-additive nature of hardness and are not designed to interact with mine production scheduling,are overcome.A case study at the Tropicana Mining Complex shows that throughput can be predicted with an error less than 30 t/h and a correlation coefficient of up to *** integrating the prediction model and new stochastic components into optimization,the production schedule achieves weekly planned production reliably because scheduled materials match with the predicted performance of the *** to optimization using conventional mill tonnage constraints reveal that expected production shortfalls of up to 7%per period can be mitigated this way.

关键词： Geometallurgy Stochastic optimization Short-term open pit mine production scheduling Measurement while drilling Non-additivity Hardness

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