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Relevant bibliographies by topics / Needle parameters

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Academic literature on the topic 'Needle parameters'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "Needle parameters"

1

Voronov, V. P., and M. I. Sedykh. "Cutting parameters at needle-milling." Izvestiya MGTU MAMI 3, no. 2 (2009): 192–95. http://dx.doi.org/10.17816/2074-0530-69687.

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In article is open the questions wire brash, its specific and advantage in comparison with other ways of performance of operations of preparation of surfaces of preparations for anticorrosive covering of metal, welding by explosion etc. In article are consider еhe questions of the basic parameters of cutting at wire brash and on what they depend, and as a choice of modes of cutting, their influence on quality of a surface and productivity of process.

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Serguntsov, Alexander, Victoria Serguntsova, and Nikolai Malashikhin. "Operational parameters and modes of rotary working body for harrowing crops." E3S Web of Conferences 126 (2019): 00023. http://dx.doi.org/10.1051/e3sconf/201912600023.

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A rotary working body with evenly spaced needles along perimeter is a flat disk (rotating in longitudinal–vertical plane). The technological process of interaction with soil is that when rolling rotary disk in soil layer, needle is introduced into it, crushing and shifting soil in direction of rotation. The degree of soil loosening of freely rotating needle disk on axis in longitudinal–vertical plane depends on several parameters: diameter of a disk, number and shape of needles, speed of progressive motion, soil properties. There was made an analytical research of needle working bodies in term

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Mashroteh, Hasan, and Mohammad Zarrebini. "Multivariate Regression Modeling of Parameters Affecting Punching Force during Random Velour Needling." Journal of Engineered Fibers and Fabrics 10, no. 2 (2015): 155892501501000. http://dx.doi.org/10.1177/155892501501000211.

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Manufacturing of random velour needled fabrics comprises two separate needling operations. In the first stage a carded fibrous assembly is consolidated using a barbed needle. The consolidated assembly is opened-up due to action of fork needles of the second needling stage. In this special needling operation the mono-structure consolidated fibrous assembly is converted to a bi-structure fibrous assembly, comprised of base and pile layers. The extent of imparted structural changes influences physical and mechanical properties of the resultant random velour fabric. Fork needles which are the culp

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Rehling, Dennis, Jan Liu, Kent W. Stewart, Peter P. Pott, and Frank Schiele. "Investigation of vibration parameters for needle insertion force reduction." Current Directions in Biomedical Engineering 6, no. 3 (2020): 608–11. http://dx.doi.org/10.1515/cdbme-2020-3155.

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AbstractMany medical interventions in therapy and diagnostics require needle insertion into tissue. Common complications such as increased pain and formation of haematoma are caused by wrong needle positioning. It has been shown that pain experience and needle positioning can be improved by a reduction of insertion force, which can be achieved by vibrating the needle axially. An experimental setup has been designed to investigate the influences of different combinations of vibration frequencies (10, 100, and 200 Hz) and vibration amplitudes (20, 100, and 500 μm) during needle insertion into th

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Eimil-Fraga, Cristina, Federico Sánchez-Rodríguez, Esperanza Álvarez-Rodríguez, and Roque Rodríguez-Soalleiro. "Relationships between needle traits, needle age and site and stand parameters in Pinus pinaster." Trees 29, no. 4 (2015): 1103–13. http://dx.doi.org/10.1007/s00468-015-1190-7.

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Tausz, Michael, Günther Zellnig, Edith Bermadinger-Stabentheiner, Dieter Grill, Klaus Katzensteiner, and Gerhard Glatzel. "Physiological, structural, and nutritional parameters of Norway spruce needles from declining forest stands in Austria." Canadian Journal of Forest Research 26, no. 10 (1996): 1769–80. http://dx.doi.org/10.1139/x26-201.

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Decline phenomena in two spruce (Piceaabies (L.) Karst.) forests in different locations in Austria are described on a biochemical and ultrastructural level. Needles of declining trees (canopy state class 3 or 4, more than 40% needle loss, and visible needle chlorosis) are characterized by loss in chlorophylls, xanthophylls, and carotenes in older needles, with α-carotene and chlorophyll a showing strongest depressions. Total chlorophyll concentrations in visibly yellowed needles range below 1 mg•g−1 dry weight, whereas green needles contain more chlorophyll. All trees included in this study fi

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Serguntsov, Alexander, and Victoria Serguntsova. "Optimization of parameters and operating modes of the rotary working body for harrowing agricultural crops." E3S Web of Conferences 193 (2020): 01021. http://dx.doi.org/10.1051/e3sconf/202019301021.

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The rotary working body with evenly spaced needles along the perimeter is a flat disk (rotating in a longitudinally vertical plane). The technological process of interaction with the soil consists in the fact that when the rotary disk is rolled in the soil layer, the needle is inserted into it, crushing and shifting the soil in the direction of rotation. The degree of soil loosening, rotating freely in a longitudinal vertical plane of the needle disk on the axis depends on several parameters: disk diameter, number of needles, speed, and soil properties. An experimental study of needle working

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Mvubu, Mlando, Asis Patnaik, and Rajesh D. Anandjiwala. "Process Parameters Optimization of Needle-punched Nonwovens for Sound Absorption Application." Journal of Engineered Fibers and Fabrics 10, no. 4 (2015): 155892501501000. http://dx.doi.org/10.1177/155892501501000415.

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This paper reports a study on the optimization of process parameters of needle-punched nonwoven fabrics for achieving maximum sound absorption by employing a Box-Behnken factorial design. The influence of fiber type, depth of needle penetration, and stroke frequency on sound absorption properties were studied. These parameters were varied at three levels during experimental trials. From multiple regression analysis, it was observed that the depth of needle penetration alone was the most dominant factor among the selected parameters, which was followed by the interaction between depth of needle

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Messiry, Magdi El, Affaf K. Al-Oufy, Yasmin Ayman, and Samar Abdel Latif. "Statistical analysis of the effect of processing machine parameters on acoustical absorptive properties of needle-punched nonwovens." Journal of Engineered Fibers and Fabrics 18 (January 2023): 155892502311556. http://dx.doi.org/10.1177/15589250231155623.

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The object of this paper is to investigate the acoustic insulation properties of needle-punched nonwovens produced from recycled polyester waste blended with virgin polyester serving as supportive material. The research work also studies the effect of different processing parameters of needle punching nonwoven machines through the investigation of different needle speeds, lattice speeds, and penetration depths. Throughout the research work, several needles punched nonwoven fabrics were produced under different conditions as follows: Three needle speeds were applied: 280, 245, and 227 rpm. Thre

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Haghighat, Ezzatollah, Seyed Mohammad Etrati, and Saeed Shaikhzadeh Najar. "Evaluation of Woven Denim Fabric Sewability based on Needle Penetration Force." Journal of Engineered Fibers and Fabrics 9, no. 2 (2014): 155892501400900. http://dx.doi.org/10.1177/155892501400900206.

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This paper investigates the sewability of the woven denim fabrics based on needle penetration force (NPF). For this purpose, the effects of fabric weight, number of fabric layers, needle size, and the interaction effect of these parameters on NPF in twill denim fabrics were investigated. In addition, the influence of weave pattern on NPF was studied. The statistical analysis results show that NPF is influenced by these parameters. Fabric weight has a greater effect on NPF than other parameters. With increasing fabric weight, number of fabric layers, and needle size, the NPF increases. The tren

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Dissertations / Theses on the topic "Needle parameters"

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Watters, Charles. "Asians and psychiatric services in Britain : avenues of access and parameters of treatment." Thesis, University of Sussex, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.308888.

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Haegerstrand, Anna, and Emelia Knutsson. "The Attractive Workplace : Are the Site Offices Meeting the Employees´Needs?" Thesis, KTH, Fastigheter och byggande, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-254846.

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Previous research have shown a possible relationship between the indoor work environmentand the impact it has on the employees’ performance. Different factors can affect theperformance; physical parameters, such as ventilation and air quality, noise levels, thermalclimate, lighting and access to daylight, as well as the level of flexibility of the work, furnitureetc. Therefore, this study aims to investigate the quality of the indoor work environment at siteoffices within Company AB in Sweden. Further, how the physical and the psychologicalenvironment play an important role regarding the attra

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Palmer, Stephanie E. "Order and disorder in two geometrically frustrated antiferromagnets." Thesis, University of Oxford, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.342663.

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Varescon, Jean-Pascal Marie Dieudonné [Verfasser], Thomas O. F. [Akademischer Betreuer] Wagner, Thomas O. F. [Gutachter] Wagner, and Stefan [Gutachter] Zielen. "Comparison of surrogate parameters of prognosis (BMI, FEV1 and need of intravenous antibiotic therapy) between CF-patients with and without P. aeruginosa in Frankfurt and Moscow from 1990 to 2015 / Jean-Pascal Marie Dieudonné Varescon ; Gutachter: Thomas O. F. Wagner, Stefan Zielen ; Betreuer: Thomas O. F. Wagner." Frankfurt am Main : Universitätsbibliothek Johann Christian Senckenberg, 2021. http://d-nb.info/1239143818/34.

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Bubláková, Petra. "Výběr informačního systému pro firmu." Master's thesis, Vysoké učení technické v Brně. Ústav soudního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-433382.

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Yu-ChenJheng and 鄭育宸. "Optimizing Geometric and Cutting Parameters of Biopsy Needle." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/g8by49.

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碩士<br>國立成功大學<br>機械工程學系<br>106<br>The needle biopsy technology has been widely applied to many medical fields. In the biopsy procedure, the tissue cutting force is a key factor which affects the quality of obtained samples. The quality of tissue samples can be improved with a reduced cutting force, which leads to more accurate cancer diagnosis. To study the influence of needle geometry and parameter configuration to the cutting force, this research applies design optimization methodologies to find optimal geometric and cutting parameters of the biopsy needles that minimize the cutting force. Th

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Tsai, Cheng-Ping, and 蔡政坪. "Optimization of the processing parameters for the needle punching nonwoven fabrics." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/jtmud8.

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碩士<br>國立臺灣科技大學<br>高分子系<br>94<br>In this thesis polyester fiber and polypropylene fiber are adopted as the materials. The roller card, cross-lapper machine, and needle punching machine are used to manufacture the needle punching nonwoven fabrics. The characteristics are the tensile strength (longitudinal and transverse) and tear strength (longitudinal and transverse), and utilize the Taguchi experimental method in the thesis. These parameters include arrangement of needles in the needle board, the sort of fiber material, the amount of fiber feed, the swing speed of the cross-lapper machine, the

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Patidar, Santosh Kumar. "Study of Needle Insertion Parameters of Human Body Tissue for Surgical Operations." Thesis, 2015. http://ethesis.nitrkl.ac.in/7238/1/Study_Patidar_2015.pdf.

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The thesis introduces the study on needle insertion during the laboratory experiment. The percutaneous needle insertion is performed several times in day to day life. Manually placement of needle in the tissue may cause damage inside the body sothe thesis presents the existing methodology of needle insertion and researched methodology in our laboratory. It shows the proper way of needle placement and which parameters are necessary to keep in mind when perform the needle insertion. It deals with the proper way of needle insertion, minimise the deflection of needle inside the tissue and gives an

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Yang, Kuen-Huei, and 楊坤輝. "Optimum of Welding Parameters for Brazing Process in Needle of Dot Matrix Printer." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/97493168801492309076.

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碩士<br>國立彰化師範大學<br>工業教育學系<br>89<br>The purpose of this study is to find optimal brazing parameters of ultra high frequency induction brazing printer needle with Taguchi analyzing methods. The process is to use micro-tensile tester to find tensile strength in order to get the optimal parameter assembly of the brazing experiment. The mechanical property of this experiment is compare with Japan Fujitsu factory weldment and weldment of gas welding. The diameter of printer needle is 0.20mm, the material chemical composition is near P.M. high speed steel of Japan specification SKH-57, the ultra high

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soun, Long-Houw, and 宋隆豪. "Effect of Brazing Parameters on Mechanical Properties of Brazing joint of Needle of Dot Matrix Printer." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/02507996663489564962.

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碩士<br>國立彰化師範大學<br>工業教育學系<br>89<br>Abstract The assessment of ultra high frequency induction brazing(UHFIB)between needle and armeture in dot matrix printer through the mechanical property testing of brazed samples was investigated.The mechanical material test includes static and dynamic aspect.The foremer contain micro- tensile test,metallurgy test,and micro-hardness test,the later have fatigue test,and transient temperature measurement by using IR thermometer .The brazing parameters conducted in this study is base on Taguchi analyzing methods.Two kinds of sample, Fujitsu weldment a

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Books on the topic "Needle parameters"

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United States. National Aeronautics and Space Administration., ed. Uncertainties that flight crews and dispatchers must consider when calculating the fuel needed for a flight. National Aeronautics and Space Administration, 1996.

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Prohorov, Viktor. Semiconductor converters of electrical energy. INFRA-M Academic Publishing LLC., 2020. http://dx.doi.org/10.12737/1019082.

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The textbook considers the need, principles and methods of mutual conversion of parameters of electric energy at DC and AC for stationary and Autonomous objects. Features of operation of power electronics elements in specific conditions of their continuous high-frequency switching are described. Low-current control systems that provide the necessary logic for the operation of Executive power devices of converters are considered. A large number of specific practical electrical diagrams of electric energy converters are given. It is intended for students studying in the direction of 13.03.

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Okolelova, Tamara, and Syergyey YEngashyev. Scientific basis of feeding and keeping poultry. Publishing Center RIOR, 2021. http://dx.doi.org/10.29039/02037-1.

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The book covers the basic principles of nutrient rationing for poultry. The data on the needs of all types of poultry, taking into account age, in nutrients, minerals and biologically active substances are given. The characteristic of the main feed means and rational norms of their inclusion in the compound feed for poultry are given. Modern data on the role of vitamins, macro- and microelements, enzyme preparations, probiotics, prebiotics, phytobiotics, organic acids, antioxidants, fat emulsifiers and other sources of biologically active substances in poultry nutrition are presented. Attentio

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Shul'zhenko, Tat'yana, Andrey Zhuk, and Dar'ya Ivanova. Logistics of new urban mobility: a value-oriented approach. INFRA-M Academic Publishing LLC., 2023. http://dx.doi.org/10.12737/1971850.

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The monograph reveals the provisions of a value-oriented approach to the management of logistics systems of public urban passenger transport, relevant to the conditions of a client-centered economy and aimed at increasing the sustainability of the functioning of the passenger transport complex of the city in the context of the development of alternative forms of urban mobility. The ideological basis of the author's concept of a value—oriented approach is the understanding of the duality of the recipient of the services of the logistics system of urban public passenger transport - passengers an

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Lampropoulos, Andreas, ed. Case Studies on Conservation and Seismic Strengthening/Retrofitting of Existing Structures. International Association for Bridge and Structural Engineering (IABSE), 2020. http://dx.doi.org/10.2749/cs002.

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<p>Recent earthquakes have demonstrated that despite the continuous developments of novel materials and new strengthening techniques, the majority of the existing structures are still unprotected and at high seismic risk. The repair and strengthening framework is a complex process and there are often barriers in the preventative upgrade of the existing structures related to the cost of the applications and the limited expertise of the engineers. The engineers need to consider various options thoroughly and the selection of the appropriate strategy is a crucial parameter for the success o

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Pitt, Matthew. Motor unit anatomy and physiology. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780198754596.003.0006.

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This chapter focuses on the signals recorded with needle electromyography (EMG) and the measurement of their specific parameters. These parameters include duration, amplitude, number of phases, and stability. The concept of the electrophysiologic biopsy and the explanation of unusual findings seen on EMG are introduced. In relation to the interference pattern, discussions of the firing rate, recruitment order, and interference pattern are given. Moving from the theoretical explanation of the findings, the problems of the accurate quantitative analysis of the motor unit potential are discussed

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Bárány, András. A parameter hierarchy for agreement. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198804185.003.0006.

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This chapter models some of the results of the previous chapter. It builds on the recently developed notion of parameter hierarchies. Parameter hierarchies are sets of dependent parameters giving rise to chains of implicational relations among languages. The languages discussed in this book are positioned on a parameter hierarchy of ϕ‎-probes: some languages do not show any kind of agreement, others with a single ϕ‎-probe can agree with one argument, yet others with more than one probe with more arguments. It is argued that this hierarchy restricts agreement across languages in some ways, but

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Processing parameters needed to control pathogens in cold-smoked fish. Institute of Food Technologists, 2001.

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Pitt, Matthew. Results of the clinical application of SPACE in suspected disorders of the neuromuscular junction. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780198754596.003.0011.

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Findings in a large cohort of children with disorders of the neuromuscular junction are presented along with those in non-primary neuromuscular junction abnormalities. From these results it is possible to derive test parameters for stimulated potential analysis using concentric needle electrodes (SPACE) including sensitivity and specificity, along with positive and negative predictive values. The differences between performing stimulation techniques to determine jitter in children and adults are highlighted as are technical aspects and the effects of the differential diagnosis on interpretatio

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Stålberg, Erik. Electromyography. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199688395.003.0007.

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Electromyography (EMG) has been used since the 1940s in the diagnosis of neuromuscular disorders. It has particularly developed with the advent of computers and recording equipment with integrated software. This has made methods of analysis fast, robust, and precise, helping to deal with increasing numbers of patients. Indications have changed dynamically over the years, with the development of new EMG methods themselves and complementary methods used in this field for diagnosis such as histochemistry, genetics, and imaging techniques. This chapter focuses mainly on the routine methods based o

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Book chapters on the topic "Needle parameters"

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da Silva, Jéssica R., Raul Guedert, Guilherme B. Pintarelli, and Daniela O. H. Suzuki. "Computational Study of Parameters of Needle Electrodes for Electrochemotherapy." In IFMBE Proceedings. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-13-3498-6_29.

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Dong, Jia-xing, Lun-shun Zhou, Mei-qian Wang, et al. "Study on Needle Penetration Test for Estimating Mechanical Parameters of Sandy Dolomite." In Environmental Science and Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-9057-3_26.

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Li, Yulan, Xiangbi An, and Dahai Jiang. "Working Process Simulation Analysis on an Diesel Injector with Different Needle Valve Parameters." In AsiaSim 2012. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-34387-2_25.

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He, Xiaoxu, and Mingyu Sun. "Biomimetic Form-Finding Study of Bone Needle Microstructure Based on Sponge Regeneration Behavior." In Computational Design and Robotic Fabrication. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-8405-3_8.

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AbstractThe concept of “nature-algorithm-structure” refers to a digital design method in architecture that draws inspiration from nature, extracting its mathematical and physical conceptual models to construct structural systems with parameters. This study aims to address the challenge of parametric form-finding in reticular tension structures. By observing the phenomenon of “sponge regeneration”, we further illustrate the generation and optimization of reticular tension structures through the hierarchical structures of “monomer”-“path”-“mesh”. Tensile structural systems are rebound forms, and

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Yan, Kai Guo, Tarun Podder, Di Xiao, et al. "Online Parameter Estimation for Surgical Needle Steering Model." In Medical Image Computing and Computer-Assisted Intervention – MICCAI 2006. Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11866565_40.

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Luo, Ruiyan, Alejandra D. Herrera-Reyes, Yena Kim, Susan Rogowski, Diana White, and Alexandra Smirnova. "Estimation of Time-Dependent Transmission Rate for COVID-19 SVIRD Model Using Predictor–Corrector Algorithm." In Mathematical Modeling for Women’s Health. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-58516-6_7.

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AbstractStable parameter estimation is an ongoing challenge within biomathematics, especially in epidemiology. Oftentimes epidemiological models are composed of large numbers of equations and parameters. Due to high dimensionality, classic parameter estimation approaches, such as least square fitting, are computationally expensive. Additionally, the presence of observational noise and reporting errors that accompany real-time data can make these parameter estimation problems ill-posed and unstable. The recent COVID-19 pandemic highlighted the need for efficient parameter estimation tools. In t

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Mell, Stephen, Favyen Bastani, Steve Zdancewic, and Osbert Bastani. "Synthesizing Trajectory Queries from Examples." In Computer Aided Verification. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-37706-8_23.

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AbstractData scientists often need to write programs to process predictions of machine learning models, such as object detections and trajectories in video data. However, writing such queries can be challenging due to the fuzzy nature of real-world data; in particular, they often include real-valued parameters that must be tuned by hand. We propose a novel framework called Quivr that synthesizes trajectory queries matching a given set of examples. To efficiently synthesize parameters, we introduce a novel technique for pruning the parameter space and a novel quantitative semantics that makes t

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Carvajal Díaz, E., P. Ruiz-Terán, J. Castro, and M. Miranda. "Assessment of stiffness parameters of stone columns." In Geotechnical Engineering Challenges to Meet Current and Emerging Needs of Society. CRC Press, 2024. http://dx.doi.org/10.1201/9781003431749-408.

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Steensen-Bach, J. O., J. S. Steenfelt, and O. Hededal. "Effective strength parameters of Danish clay tills - revisited." In Geotechnical Engineering Challenges to Meet Current and Emerging Needs of Society. CRC Press, 2024. http://dx.doi.org/10.1201/9781003431749-146.

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Häusler, Mauro, Franziska Glueer, and Donat Fäh. "The Changing Seismic Site Response of the Brienz/Brinzauls Rock Slope Instability: Insights from 5 Years of Monitoring Before, During and After a Partial Collapse in June 2023." In Progress in Landslide Research and Technology. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-72736-8_4.

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AbstractUnstable rock slopes pose significant hazards, requiring reliable monitoring for effective mitigation. However, existing methods often struggle to capture the dynamic nature of these environments, highlighting the need for enhanced monitoring techniques. This study investigates the Brienz/Brinzauls landslide in Switzerland to deepen our understanding through passive seismic techniques. The objective is to gain insights into the evolving seismic response of active slopes before, during and after collapse events, thus, filling gaps in our understanding of the dynamics of the seismic resp

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Conference papers on the topic "Needle parameters"

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Rampane, Liga, Zane Zelca, and Chaima Salmi. "POLYLACTIC ACID/ZINC OXIDE NANOSTRUCTURED FIBROUS MATERIAL BY NEEDLELESS ONE SOLVENT ELECTROSPINNING FOR PROTECTION AGAINST TICK-BORNE DISEASES." In SGEM International Multidisciplinary Scientific GeoConference 24. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/6.1/s24.12.

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Ticks (Ixodidae and Argasidae) pose significant health risks as vectors for infectious diseases, with their prevalence expanding across Europe and North America. Ticks employ sophisticated sensory mechanisms, notably utilizing Haller's organs, to locate and sense their hosts. These sensory structures detect various cues, including chemosensation, changes in atmospheric CO2 concentration, and radiant heat emitted by potential hosts. Once a host is detected, landing is facilitated by electrostatic attraction, accelerating the precise positioning of the tick for feeding. Reports indicate that ZnO

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Cacciotti, Niccolo, Antonio Cifonelli, Claudio Gaz, Valerio Paduano, Antonio V. Russo, and Marilena Vendittelli. "Enhancing Force Feedback in Teleoperated Needle Insertion Through On-Line Identification of the Needle-Tissue Interaction Parameters." In 2018 7th IEEE International Conference on Biomedical Robotics and Biomechatronics (Biorob). IEEE, 2018. http://dx.doi.org/10.1109/biorob.2018.8487952.

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Podder, T. K., J. Sherman, D. Fuller, et al. "In-vivo Measurement of Surgical Needle Intervention Parameters: A Pilot Study." In Conference Proceedings. Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE, 2006. http://dx.doi.org/10.1109/iembs.2006.259917.

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Podder, T. K., J. Sherman, D. Fuller, et al. "In-vivo Measurement of Surgical Needle Intervention Parameters: A Pilot Study." In Conference Proceedings. Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE, 2006. http://dx.doi.org/10.1109/iembs.2006.4398239.

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Gordon, Adam, Inki Kim, Andrew C. Barnett, and Jason Z. Moore. "Needle Insertion Force Model for Haptic Simulation." In ASME 2015 International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/msec2015-9352.

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Percutaneous medical procedures rely upon clinicians performing precise needle insertion in soft tissue. The utility of haptic simulation systems in training clinicians for these procedures is highly dependent upon the ability to render accurate insertion force feedback. This paper presents a piecewise mathematical model for insertion force that does not require tissue material properties, detailed mechanical approximations, or complex computations. With manipulation of model parameters, a wide variety of insertion tasks and clinical scenarios can be modeled. Through needle insertion experimen

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Pridacha, Vladislava B., Natalia V. Tumanik, Denis E. Semin, and Tatiana A. Sazonova. "Shading Effects Needle Xylem Traits and Leaf Gas Exchange Parameters in Scots Pine." In IECF 2022. MDPI, 2022. http://dx.doi.org/10.3390/iecf2022-13122.

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Che, Demeng, Ping Guo, and Kornel F. Ehmann. "Design and Analysis of Helical Needle Tip Grinding Process." In ASME 2012 International Manufacturing Science and Engineering Conference collocated with the 40th North American Manufacturing Research Conference and in participation with the International Conference on Tribology Materials and Processing. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/msec2012-7274.

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A generalized helical needle tip geometry model, which can describe many typical needle tip geometries, including conical, bevel, blunt and helical shapes with proper geometric parameters, is presented based on analogy to the helical point drill geometry. The generality of this model offers a general way for manufacturing various needle tip geometries. A mathematical model of the helical needle tip geometry is provided along with the formulation of the kinematic model of the tip grinding process. The control strategy on a 5-axis grinding machine system is also developed to implement the design

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Lin, Jie, Jian Guan, Long Ma, Peng Jin, Jun Lin, and Jiubin Tan. "Effects of parameters of Bessel-Gaussian on the achievement of optical needle with longitudinal polarization." In International Symposium on Precision Engineering Measurement and Instrumentation 2012, edited by Jie Lin. SPIE, 2013. http://dx.doi.org/10.1117/12.2011642.

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Chen, Kai, and Yonggui Lv. "System Development and Testing of a Liquid Needle-Free Injector." In ASME 2008 3rd Frontiers in Biomedical Devices Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/biomed2008-38034.

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A simple approach is presented to determine several critical parameters of a liquid needle-free injector. A jet injector system was developed based on the approach, and its jet characteristics were tested.

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Kuznetsov, Vladimir, Victor Tarasenko, Alexander Kokovin, and Andrey Kozyrev. "Atmospheric Pressure Corona Discharge in the Needle-Plane Electrode System: Influence of Field Peaking on Electrophysical Parameters." In 2020 7th International Congress on Energy Fluxes and Radiation Effects (EFRE). IEEE, 2020. http://dx.doi.org/10.1109/efre47760.2020.9241965.

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Reports on the topic "Needle parameters"

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Horridge, Mark, and Ken Pearson. Systematic Sensitivity Analysis with Respect to Correlated Variations in Parameters and Shocks. GTAP Technical Paper, 2011. http://dx.doi.org/10.21642/gtap.tp30.

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We show how you can carry out systematic sensitivity analysis (SSA) with respect to parameters and/or shocks, which vary according to a specified covariance matrix. You can use the existing SSA tools in RunGTAP or RunGEM to do this if your model is implemented in GEMPACK. Those SSA tools assume that all parameters or shocks are varying independently (i.e., the distributions of all parameters or shocks are uncorrelated) or together (i.e., are completely correlated). The techniques in this paper remove those restrictions. However, users need to make small modifications to the TAB file for the mo

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Wilson, D., Chris Pettit, Vladimir Ostashev, and Matthew Kamrath. Signal power distributions for simulated outdoor sound propagation in varying refractive conditions. Engineer Research and Development Center (U.S.), 2024. http://dx.doi.org/10.21079/11681/48774.

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Probability distributions of acoustic signals propagating through the near-ground atmosphere are simulated by the parabolic equation method. The simulations involve propagation at four angles relative to the mean wind, with frequencies of 100, 200, 400, and 800 Hz. The environmental representation includes realistic atmospheric refractive profiles, turbulence, and ground interactions; cases are considered with and without parametric uncertainties in the wind velocity and surface heat flux. The simulated signals are found to span a broad range of scintillation indices, from near zero to exceedi

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Corscadden, Louise, and Anjali Singh. Metabolism And Measurable Metabolic Parameters. ConductScience, 2022. http://dx.doi.org/10.55157/me20221213.

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Metabolism is the sum of chemical reactions involved in sustaining the life of organisms.[1] It constantly provides your body with the energy to perform essential functions. The process is categorized into two groups:[2] Catabolism: It’s the process of breaking down molecules to obtain energy. For example, converting glucose to pyruvate by cellular respiration. Anabolism: It’s the process of synthesis of compounds required to run the metabolic process of the organisms. For example, carbohydrates, proteins, lipids, and nucleic acids.[2] Metabolism is affected by a range of factors, such as age,

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Lohne, Arild, Arne Stavland, Siv Marie Åsen, Olav Aursjø, and Aksel Hiorth. Recommended polymer workflow: Interpretation and parameter identification. University of Stavanger, 2021. http://dx.doi.org/10.31265/usps.202.

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Injecting a polymer solution into a porous medium significantly increases the modeling complexity, compared to model a polymer bulk solution. Even if the polymer solution is injected at a constant rate into the porous medium, the polymers experience different flow regimes in each pore and pore throat. The main challenge is to assign a macroscopic porous media “viscosity” to the fluid which can be used in Darcy law to get the correct relationship between the injection rate and pressure drop. One can achieve this by simply tabulating experimental results (e.g., injection rate vs pressure drop).

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Desjardins. L52204 Framework for the Optimization of Inspection Intervals. Pipeline Research Council International, Inc. (PRCI), 2004. http://dx.doi.org/10.55274/r0011352.

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The goal of this project is to develop a methodology to find the optimal inspection timing of pipelines carrying hazardous materials. The four principle parameters affecting the need for inspection are: - Anomaly severity - Deterioration rate Limit state - Consequences of failure In addition to these parameters, considered in this research, uncertainty needs to be understood and accounted for. Knowledge of each of the above parameters is limited by various factors. Morrison has chosen to approach this uncertainty with a probabilistic method that leads to a risk and reliability solution. As app

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Hemel, Armijn. WebAssembly (Wasm) for Legal Professionals: Exploring Current Parameters in License Compliance. The Linux Foundation, 2022. https://doi.org/10.70828/ltew7465.

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WebAssembly is a technology currently gaining traction. However, documentation for WebAssembly on the Internet primarily targets developers and focuses on how to use it, or develop for it. What is needed is documentation that looks at WebAssembly from an open source license compliance perspective. This report, WebAssembly (Wasm) for Legal Professionals, functions as a starting point for a discussion about what open source license compliance for WebAssembly could look like and its potential for implementation in several ways. The report intends to highlight potential license compliance pitfalls

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Anspaugh, L. R., and Bruce A. Napier. MINOR PARAMETERS NEEDED FOR INDIVIDUAL-DOSE CALCULATIONS: Final Report for Tasks 7.1, 7.2, 8.1, 8.2, 9.1, 9.2, and 9.3. Office of Scientific and Technical Information (OSTI), 2009. http://dx.doi.org/10.2172/975420.

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Biagio, Di. L52037 Ductile Fracture Propagation Resistance for Advanced Pipeline Designs. Pipeline Research Council International, Inc. (PRCI), 2008. http://dx.doi.org/10.55274/r0011001.

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The development of a method able to evaluate the ductile fracture behavior on pipelines has been documented. Therefore, methods for the determination of material fracture resistance and crack driving force have been accurately investigated. In particular, the techniques to determine the critical fracture characterizing parameter CTOA (crack tip opening angle) have been reviewed in-depth (back-slotted drop weight tear tests [DWTT], two specimen CTOA tests, etc.), and in view of a future pipe-mill application. For a more reliable CTOA estimate the needed following parameters have been investigat

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Petrova, Katerina. On the Validity of Classical and Bayesian DSGE-Based Inference. Federal Reserve Bank of New York, 2024. http://dx.doi.org/10.59576/sr.1084.

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This paper studies large sample classical and Bayesian inference in a prototypical linear DSGE model and demonstrates that inference on the structural parameters based on a Gaussian likelihood is unaffected by departures from Gaussianity of the structural shocks. This surprising result is due to a cancellation in the asymptotic variance resulting into a generalized information equality for the block corresponding to the structural parameters. The underlying reason for the cancellation is the certainty equivalence property of the linear rational expectation model. The main implication of this r

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Thacker. L51930 Optimized Sampling Frequencies for Weld Reliability Assessments of Long Pipeline Segments. Pipeline Research Council International, Inc. (PRCI), 2003. http://dx.doi.org/10.55274/r0011322.

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This project responds to a need to obtain statistically adequate quantities of input data for probabilistic assessments of girth welded pipelines. It is desirable to limit the data collection efforts to that warranted by overall reliability and confidence requirements. This is motivated by the challenge of limited and/or high-cost access to in-service pipelines for property measurement and flaw inspection. The goal of this project was to develop a methodology for specifying the minimum, cost-optimized sampling frequency for each of the model input parameters in a multiple girth weld fitness-fo

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