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Littérature scientifique sur le sujet « Washing device »

Auteur : Grafiati

Publié le 1 avril 2023

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Articles de revues sur le sujet "Washing device"

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Arnold, Zach M. « A Washing Device for Small Samples ». Micropaleontology 31, n^o 3 (1985) : 285. http://dx.doi.org/10.2307/1485547.

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Jiang, Jin Gang, Ze Xu Tang, Peng Jie Li, Wen Hua Xu, Xue Fei Wang, Jian Tao Li et Yun Feng Liu. « Structural Design of Assisted Washing-Hand Device for a One-Armed Man Using TRIZ Theory ». Key Engineering Materials 621 (août 2014) : 675–80. http://dx.doi.org/10.4028/www.scientific.net/kem.621.675.

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Aiming to the difficulty of washing-hand for a one-armed man, functional requirements of washing-hand for a one-armed man is analyzed, and TRIZ theory is described in detail. A novel conceptual assisted washing-hand device for a one-armed man is put forward in this paper. Innovative problems of the assisted washing-hand device design were solved based on contradiction conflict matrix theory and material field theory of TRIZ. The whole three-dimensional model of assisted washing-hand device is built. TRIZ theory can provide the reference basis for structural design of assisted washing-hand device for a one-armed man.

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IWANAGA, Masahiro, Hirotaka SUGIYAMA, Yuki NODA, Yoshiki KIRYU et Kazuya HARADA. « Development of Stirring Device and Washing Device Using Coriolis Force ». TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B 79, n^o 807 (2013) : 2456–66. http://dx.doi.org/10.1299/kikaib.79.2456.

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Crawford, M. N. « Plastic sprayer : A device for washing microplates ». Immunohematology 4, n^o 2 (2020) : 41. http://dx.doi.org/10.21307/immunohematology-2019-1099.

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Boscolo, A., et S. Stibelli. « A new sensing device for washing machines ». IEEE Transactions on Industry Applications 24, n^o 3 (mai 1988) : 499–502. http://dx.doi.org/10.1109/28.2901.

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Lim, Hyunjung, Jae Young Kim, Seunghee Choo, Changseok Lee, Byoung Joe Han, Chae Seung Lim et Jeonghun Nam. « Separation and Washing of Candida Cells from White Blood Cells Using Viscoelastic Microfluidics ». Micromachines 14, n^o 4 (23 mars 2023) : 712. http://dx.doi.org/10.3390/mi14040712.

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An early and accurate diagnosis of Candida albicans is critical for the rapid antifungal treatment of candidemia, a mortal bloodstream infection. This study demonstrates viscoelastic microfluidic techniques for continuous separation, concentration, and subsequent washing of Candida cells in the blood. The total sample preparation system contains two-step microfluidic devices: a closed-loop separation and concentration device and a co-flow cell-washing device. To determine the flow conditions of the closed-loop device, such as the flow rate factor, a mixture of 4 and 13 μm particles was used. Candida cells were successfully separated from the white blood cells (WBCs) and concentrated by 74.6-fold in the sample reservoir of the closed-loop system at 800 μL/min with a flow rate factor of 3.3. In addition, the collected Candida cells were washed with washing buffer (deionized water) in the microchannels with an aspect ratio of 2 at a total flow rate of 100 μL/min. Finally, Candida cells at extremely low concentrations (Ct > 35) became detectable after the removal of WBCs, the additional buffer solution in the closed-loop system (Ct = 30.3 ± 1.3), and further removal of blood lysate and washing (Ct = 23.3 ± 1.6).

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Cai, Wen Bin, Guo Wei Qin et Yan He. « Design of Sand Washing and Plug Removal Device with High Pressure Foam Fluid Jet ». Applied Mechanics and Materials 155-156 (février 2012) : 722–25. http://dx.doi.org/10.4028/www.scientific.net/amm.155-156.722.

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In the oil and gas production process, serious sand production causes reservoir and pipe blocked, which makes productivity declined, even stopped. It's the efficient means of sand washing and plug removal by using high-pressure foam fluid jet. The structure and performance of sand washing device determines the efficiency of sand washing and plug removal. The device's nozzle consists of anti-blocking valves, three kinds of nozzles with self-drive, rotation characteristics during the operation. The nozzles include sand washing nozzle, couple nozzle and power nozzle. This device can be used in horizontal wells with complex well bore situation to carry out sand and plug removal. The device has a good effect on sand washing and plug removal in the oil field.

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IWANAGA, Masahiro, Hirotaka SUGIYAMA, Yuki NODA, Shota FUSEGI et Yuta BABA. « S055023 Development of Stirring Device and Washing Device using Coriolis Force ». Proceedings of Mechanical Engineering Congress, Japan 2013 (2013) : _S055023–1—_S055023–4. http://dx.doi.org/10.1299/jsmemecj.2013._s055023-1.

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Pawłowicz, Bartosz, Marek Kołcz et Piotr Jankowski-Mihułowicz. « The Idea of RFIDtex Transponders Utilization in Household Appliances on the Example of a Washing Machine Demonstrator ». Energies 15, n^o 7 (4 avril 2022) : 2639. http://dx.doi.org/10.3390/en15072639.

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Modern textronic RFID transponders offer a lot of new possibilities for household appliances designers. Possibility to implement new functions is most evident in clothes washing and ironing techniques, where the information stored in the memory of the RFID transponder sewn into the textiles can be used to choose the most appropriate ironing program for a given type of fabric or to select the best washing program for different clothes placed in a drum of washing machine. The purpose of the work was to propose, design, and develop a laboratory stand to demonstrate usage of RFIDtex transponders in a washing machine. The developed device enabled simulation of the presence of textiles equipped with RFIDtex transponders in a washing machine drum. A set of measurements of the constructed device readout efficiency of textronic transponders placed in the drum was also performed. The device firmware, which manages multiple data readings from tags inside the drum for the performed by integrated RWD (read/write device), was also prepared and implemented. This allowed the efficiency of the identification of textiles equipped with RFIDtex transponders to be increased. RFIDtex transponders can also be used in the future to provide precise information about textiles to the washing machine. Based on this information, device will be able to reduce power consumption.

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Smith, T., W. Riley et D. FitzGerald. « In vitro comparison of two different methods of cell washing ». Perfusion 28, n^o 1 (30 août 2012) : 34–37. http://dx.doi.org/10.1177/0267659112458960.

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The storage of red blood cells (RBC) results in increased concentrations of plasma free hemoglobin, potassium, glucose, and lactate, among other undesirable substances. These concentrations continue to increase as RBC products age and can cause deleterious effects to the patient. In the setting of cardiac surgery, the autotransfusion devices are routinely used to wash blood that is shed from the surgical site. These devices could also be used to wash stored RBC units obtained from the blood bank. The objective of this study was to compare the product created by washing a unit of RBCs with the AutoLog autotransfusion device in the operating room to the washed products from a standard cell washer in the blood bank. Eleven outdated RBC units (stored for >42 days at 4°C) were split in half. One half was washed using the Medtronic AutoLog device; the other half was washed using the blood bank’s Cobe 2991 Cell Processor. Analytes were measured on samples from the unwashed parent unit and from the washed daughter units. The parameters measured included hematocrit, free hemoglobin, lactate, lactate dehydrogenase (LDH), potassium, glucose, and pH. When compared to the original untreated RBCs, the glucose, lactate, and potassium levels were decreased when washed in an autotranfusion device. Additionally, the free hemoglobin and LDH levels were significantly lower with the Medtronic Autolog cell saver than in the COBE 2991 Cell Processor. Washing the RBC donor units in an autotransfusion device prior to transfusion can effectively attenuate the increases seen in glucose, potassium, free hemoglobin, and LDH associated with RBC storage lesion.

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Thèses sur le sujet "Washing device"

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Harmer, Keith. « An energy efficient brushless drive system for a domestic washing machine ». Thesis, University of Sheffield, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.265571.

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Huang, Ching-Hsiang, et 黃靖翔. « A Study of Washing Device Robot for Building Outer Surface ». Thesis, 2013. http://ndltd.ncl.edu.tw/handle/7cg59r.

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碩士
正修科技大學
電子工程研究所
101
The aim of this dissertation is to develop a washing robot for building’s external wall. Based on its system’s function, it can be categorized by four parts: the washing device system, the mechanical structure, driving system, electric control system and the sensing system. Roller washing subsystem devices can conduct the cleaning for external walls of buildings by using detergents and with the reversible fan. By considering the factors of wind shear, fluid mechanics, working practical needs and so on, it has designed for adjustment of wind power and absorbability and also uses the senor to correct its action. Electric controlled subsystem can utilize programmable logic controller to control relays and then utilize wirelessly transmit to control the airframe. The sensor subsystem which is included the anemometer, ultrasonic waves, temperature and humidity and the pressure gauge can provide instant information for correcting the operation; at the same time, it can match with camera to monitor the exterior and the changes of environment. Integrating the above functions, a program planning (PLC) wall-washing robot can be built. The system parameters of the systems above will be discussed in detail in this dissertation.

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Hsieh, Yi-Chen, et 謝佾宸. « Investigation of Operating Parameters of Automatic Car Washing Device for Reducing Fugitive Particulate Emissions : Case Study of Gravel Plant ». Thesis, 2014. http://ndltd.ncl.edu.tw/handle/x269q8.

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碩士
國立中興大學
環境工程學系所
102
Gravel plant is a major supplier of construction for nation’s development. Yet, gravel trucks are not often well-cleaned which leads to fugitive particulate emissions, ultimately causing dust pollution and public grievances. This study analyzed the gravel plant operating practices so as to investigate the best way of reducing fugitive particulate emissions and also to enhance the effectiveness of automatic car washing devices. The washing time and the dripping time of gravel trucks, however, lack thereof in the current law will affect the cleaning efficiency. Therefore, in this study, 13 automatic car washing devices were used as subject study, samples of the street dust load and the distance of water left behind by gravel trucks both were collected and measured for the study to investigate the operating parameters for reducing fugitive particulate emissions. To sum up the evidence presented and the feasibility of operating a gravel plant, this study came to the conclusion that additional 10 seconds should be added to wash the truck, making the total washing time 20 seconds, then 40 seconds for the dripping time, as the total amount of car washing procedure will be 1 minute. This study also complemented the optimistic operating parameters provided above to establish a standardized operating procedure of automatic car washing device for local government, gravel plants and gravel truckers.

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Lin, Yu-Huei, et 林育輝. « Block-Flushing : A Block-based Washing Algorithm for Programmable Microfluidic Devices ». Thesis, 2018. http://ndltd.ncl.edu.tw/handle/vr34c4.

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Chien, Hung-Ling, et 簡宏霖. « Dust Removal Efficiency of the Improved Cyclone Washing Devices - Case Study of A PCB Plant ». Thesis, 2017. http://ndltd.ncl.edu.tw/handle/cdaec6.

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碩士
南亞技術學院
應用科技研究所
105
In the process of printed circuit board (PCB) electronics industry, the cutting, drilling and forming work flows produce particulate pollutants in size of 0.1μm to hundreds of micrometers. In the PCB industry, the bag type dust collector is the main collecting device. This study takes a PCB electronics company in Taoyuan City as an example. The plant developed the cyclone washing dust collecting devices and obtained the patent. However, the particulate pollutant in the water-wash section was influenced by negative pressure in the column after continuous operation, the particulate matters deposited in the drain line and blocked it, so the water could not be drained smoothly. Therefore, the improved cyclone washing dust removal devices in this study was equipped with additional extraction pipe, suction pump, water supply tank and liquid level sensor to solve the aforesaid problems effectively. Meanwhile, the particulate matters emission amount and particulate matters emission concentration of production capacity per unit of the improved devices are reduced by 57.4% and 70.1% significantly. The noise level found that the noise of the improved cyclone washing dust removal devices are 10 to 13 dB lower than the instantaneous maximum noise of the conventional bag dust collecting device. According to the 3 times/year historical abnormity record, the improvement cost of the improved cyclone washing dust removal devices could be recovered in 1.4 years, and the cost benefit is NT4.44 million/year.

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Livres sur le sujet "Washing device"

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Dry washing for gold. Baldwin Park, CA : Gem Guides Book Co., 1994.

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Dix, Alan, Steve Gill, Devina Ramduny-Ellis et Jo Hare. TouchIT. Oxford University PressOxford, 2022. http://dx.doi.org/10.1093/oso/9780198718581.001.0001.

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Abstract The physical world is increasingly filled with digital products to the extent that the boundaries of digital and physical reality become blurred. From mundane devices such as mobile phones and washing machines, to esoteric research including tangible computation and body implants, we continually bridge two worlds, literally touching buttons and dials and metaphorically touching the bits beyond. The connection between pure thought and abstract information is through solid keyboard and mouse, but likewise the material world of buildings, cars, and running shoes is suffused with computation through sensors, displays, and flashing LEDs. How do people understand this world and how can designers create usable hybrid physical–digital products? This book brings together experience from human–computer interaction and industrial design, exploring these themes under four main headings: human body and mind; objects and things; space; and computation and information. In considering each it looks at the underlying physical processes, our human understanding of them, and then the way these inform and are informed by digital design. The final part of the book draws together the theoretical and practical implications of this for design. This includes practical advice, potential tools, and philosophical underpinnings. Digital technology is fundamentally altering the world we live in but can only be truly understood in relation to the physical world we all inhabit. The most successful future products and policies will be those that take this rich digital/physical ecology seriously.

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Chapitres de livres sur le sujet "Washing device"

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Di Giuseppe, Alberto, et Diana Ronconi. « The GID : A New Device for Fat Harvesting and Washing in Aesthetic Plastic Surgery ». Dans Stem Cells in Aesthetic Procedures, 753–67. Berlin, Heidelberg : Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-45207-9_53.

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Baykal, Cem, Ender Cigeroglu et Yiğit Yazicioglu. « Vibration Analysis of Washing Machines in the Drum Plane ». Dans Nonlinear Dynamics of Structures, Systems and Devices, 549–60. Cham : Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-34713-0_54.

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Saá, Fernando, José Varela-Aldás, Fernando Latorre et Belén Ruales. « Automation of the Feeding System for Washing Vehicles Using Low Cost Devices ». Dans Advances in Intelligent Systems and Computing, 131–41. Cham : Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-32033-1_13.

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Xu, Shubin, et John Wang. « An Efficient Batch Scheduling Model for Hospital Sterilization Services Using Genetic Algorithm ». Dans Research Anthology on Multi-Industry Uses of Genetic Programming and Algorithms, 928–46. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-8048-6.ch047.

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A major challenge faced by hospitals is to provide efficient medical services. The problem studied in this article is motivated by the hospital sterilization services where the washing step generally constitutes a bottleneck in the sterilization services. Therefore, an efficient scheduling of the washing operations to reduce flow time and work-in-process inventories is of great concern to management. In the washing step, different sets of reusable medical devices may be washed together as long as the washer capacity is not exceeded. Thus, the washing step is modeled as a batch scheduling problem where washers have nonidentical capacities and reusable medical device sets have different sizes and different ready times. The objective is to minimize the sum of completion times for washing operations. The problem is first formulated as a nonlinear integer programming model. Given that this problem is NP-hard, a genetic algorithm is then proposed to heuristically solve the problem. Computational experiments show that the proposed algorithm is capable of consistently obtaining high-quality solutions in short computation times.

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Kalmukov, Ivan, Andrea Galliano, Janet Godolphin, Rui Ferreira, Daisy Norgate et Nicholas Bacon. « Evaluation efficacy of a novel cell salvage device with canine blood and following swab washing - ex vivo study ». Dans BSAVA Congress Proceedings 2022. British Small Animal Veterinary Association, 2022. http://dx.doi.org/10.22233/9781913859114.35.3.

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P., Iyyanar, Anand R., Shanthi T., Vinay Kumar Nassa, Binay Kumar Pandey, A. Shaji George et Digvijay Pandey. « A Real-Time Smart Sewage Cleaning UAV Assistance System Using IoT ». Dans Handbook of Research on Data-Driven Mathematical Modeling in Smart Cities, 24–39. IGI Global, 2023. http://dx.doi.org/10.4018/978-1-6684-6408-3.ch002.

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There is a boom in autonomous systems with rapid technological development that cannot adapt without human interaction to actual life conditions. Such programs will free people from the added activities which are mundane, repeatable, and invalid. The unmanned aerial vehicle (UAV) can use in boring, dusty, and hazardous environments, where human health and welfare are at significant risk. Autonomous systems deliver efficiencies in the supply chain, tracking, and hazardous climate control. This paper proposes the concept to improve the UAV's effectiveness, the compression and track architecture is combined. In addition, the UAV and pipe can increase the friction of the trackwheel. The process of cleaning starts when the sensors feel the mouth. The washing mechanism will not occur if the sensors do not detect the dirt. The focus of this chapter is on the drainage cleaning system automation. Device automation is required to address the mobility and space challenge. This chapter proposes the effective use of this method to manage waste disposal and routine wastage filtration.

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Ruão, Teresa, et Sónia Silva. « Strategic Science Communication : The “Flatten the Curve” Metaphor in COVID-19 Public Risk Messaging ». Dans Strategic Communication in Context : Theoretical Debates and Applied Research, 175–211. UMinho Editora/CECS, 2021. http://dx.doi.org/10.21814/uminho.ed.46.9.

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This chapter discusses the emergence of the “flatten the curve” metaphor in the context of COVID-19 science communication strategies and its role in public messaging efforts that sought to inform world populations and mitigate the effects of the pandemic. Faced with the unexpected arrival and spread of the new coronavirus, governments worldwide have responded with mitigation policies to contain the dissemination of the disease. Prevention behaviours, such as washing hands frequently and maintaining social distancing, were thoroughly communicated to the public. However, despite the quality of the communication campaigns implemented, it is always hard to change people’s perceptions, attitudes, and behaviours, even more so in the short term, as is required in a global health crisis. In pandemics, the literature on risk and crisis communication suggests that messages sent by authorities should enable the understanding of complex information, avoid misinformation, and promote the adoption of adequate behaviours. This assertion presumes that, ideally, communication campaigns follow a set of strategic decisions on target audiences, communication objectives, key messages, adequate channels and message format. Although the emergence of the “flatten of the curve” metaphor did not follow a classical strategic approach, it seems to have incorporated a set of valuable communicational principles that explain why it has become the defining message of about COVID-19. This well-known chart grew into a science strategic communication device, conveying complex scientific information in an engaging but also clear way to the general public. It is, therefore, a good example to advogate for a strategic science communication approach.

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J., John Shiny, et Karthikeyan P. « A Study on Recent Trends in Cloud-Based Data Processing for IoT Era ». Dans Handbook of Research on Cloud Computing and Big Data Applications in IoT, 391–417. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-8407-0.ch018.

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Cloud computing has become one of the most important technologies in our day-to-day lives. The computing resources are delivered to the customers based on subscription basis via internet. Big data storage and processing are main application of cloud. Furthermore, the development of internet of things provides the platform for interconnecting devices over internet. This includes everything from mobile phones, washing machines, lamps, headphones, wearable devices, and everything else we never think of. This enables machine-to-machine communication, also applies to the components of the machine. The main objective of this chapter is to give an overview of cloud computing, big data, and internet of things and the advance research topics.

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J., John Shiny, et Karthikeyan P. « A Study on Recent Trends in Cloud-Based Data Processing for IoT Era ». Dans Research Anthology on Architectures, Frameworks, and Integration Strategies for Distributed and Cloud Computing, 2531–57. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-5339-8.ch122.

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Cloud computing has become one of the most important technologies in our day-to-day lives. The computing resources are delivered to the customers based on subscription basis via internet. Big data storage and processing are main application of cloud. Furthermore, the development of internet of things provides the platform for interconnecting devices over internet. This includes everything from mobile phones, washing machines, lamps, headphones, wearable devices, and everything else we never think of. This enables machine-to-machine communication, also applies to the components of the machine. The main objective of this chapter is to give an overview of cloud computing, big data, and internet of things and the advance research topics.

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Radenkovic, Bozidar, et Petar Kocovic. « From Ubiquitous Computing to the Internet of Things ». Dans Securing the Internet of Things, 1523–56. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-5225-9866-4.ch070.

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The Internet that most of us knows as the World Wide Web is expanding beyond PCs and mobile devices. Called the “Internet of things”, this movement will link consumer devices, enterprise assets, media and everyday items, such as packaged goods, to the Internet at an increasing rate. Why the push? New business models and new ways of interacting with customers, employees and suppliers are possible when physical items are linked to the Internet. In theory, the Internet of things will make it possible for a connected refrigerator to automatically order milk. However, history has shown that, even though a technology can be transformational, it takes a series of many small evolutions before the consumer and business world are ready for transformational models like this. We believe that, at first, the sweet spot for the Internet of things will be to use it in simple ways that extend or enhance an existing process. For example, a washing machine that has a 2D bar code can enable a smartphone user to view the instruction manual, or a service person to view the service history and parts list. In contrast, using the Internet of things technologies to make a washing machine that can auto-detect clothes by reading the RFID tags on the garments' labels, and consequently run at the right settings, is less likely to gain adoption.

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Actes de conférences sur le sujet "Washing device"

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Тойгамбаев, Серик Кокибаевич, et Арман Тургынович Абенов. « THE DEVICE AND OPERATION OF A BRUSH CAR WASH ». Dans Высокие технологии и инновации в науке : сборник избранных статей Международной научной конференции (Санкт-Петербург, Май 2022). Crossref, 2022. http://dx.doi.org/10.37539/vt197.2022.62.70.016.

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В статье представлены схема моечной щеточной установки. В данной моечной установке рисунки 1 и 2 обеспечивается более тщательная обработка обычно наиболее загрязненных задних поверхностей автомобиля за счет того, что щетки задерживаются при обмыве задних поверхностей и преследуют уходящий с установки автомобиль. The article presents a scheme of a washing brush installation. In this washing unit, Figures 1 and 2, a more thorough cleaning of the usually most polluted rear surfaces of the car is provided due to the fact that the brushes are delayed when washing the rear surfaces and chase the car leaving the installation.

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Gao, Hui, Xi Zhang, Wenbin Chen, Rui Liu et Ming Gong. « Realization of pollution resistant washing device for ceramic tile ». Dans 2021 International Conference on Optoelectronic Materials and Devices, sous la direction de Yuan Lu, Youlin Gu et Siting Chen. SPIE, 2022. http://dx.doi.org/10.1117/12.2630730.

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Shan, He, Xiao Sijie, Zheng Jinbei, Li Guangming, Lai Jingfei, Wu Dengguo et Liu Zhensheng. « Security control system research on a high-altitude hot washing device ». Dans 2013 Fourth International Conference on Intelligent Control and Information Processing (ICICIP). IEEE, 2013. http://dx.doi.org/10.1109/icicip.2013.6568141.

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Wei, Yi-qing, et An-liang Zhang. « Fast washing micro-reactor on piezoelectric substrate based on surface acoustic wave ». Dans 2010 Symposium on Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA 2010). IEEE, 2010. http://dx.doi.org/10.1109/spawda.2010.5744276.

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Çetin, Barbaros, Süleyman Büyükkoçak, Soheila Zeinali et Bülent Özer. « Simulation of an Integrated Microfluidic Device for Bioparticle Wash, Separation and Concentration ». Dans ASME 2013 4th International Conference on Micro/Nanoscale Heat and Mass Transfer. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/mnhmt2013-22181.

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Washing, separation and concentration of bioparticles are key operations for many biological and chemical analyses. In this study, the simulation of an integrated microfluidic device is studied. The proposed device has the capability to wash the bioparticles (transferring the bioparticles from one buffer solution to another), to separate the particles based on their dielectric properties and to concentrate the bioparticles. Washing and concentration of bioparticles are performed by acoustophoresis and the separation is performed by dielectrophoresis. For simulating the flow within the microchannel, a computational fluid dynamics model using COMSOL Multiphysics software is implemented. In order to simulate the particle trajectories under ultrasonic and electric field, point-particle assumption is chosen using MATLAB software. To account for the size variation of the bioparticles, particles with normal size distributions are used inside the microchannel. The effect of the key design parameters such as flow rate, applied voltage etc. on the performance of the device is discussed.

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Cooper, Benjamin T., Breigh N. Roszelle, Tobias C. Long, Steven Deutsch et Keefe B. Manning. « A Fluid Dynamics Study Focusing on Wall Shear Rates Within the Penn State 12 cc Pulsatile Pediatric Ventricular Assist Device : A Comparison of Mechanical Heart Valve Types ». Dans ASME 2007 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2007. http://dx.doi.org/10.1115/sbc2007-175441.

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Previous studies have shown that the interrelated flow characteristics necessary for the prevention of thrombosis in a pulsatile ventricular assist device (VAD) are a strong inlet jet, a late diastolic recirculating flow, and adequate wall washing (greater than 500 s−1). Particle image velocimetry was used to compare the flow fields in the chamber of the 12 cc Penn State pediatric pulsatile VAD using two valves: Björk-Shiley Monostrut (BSM) tilting-disc valves at the inlet and outlet and Carbomedics (CM) bi-leaflet valves at the inlet and outlet. In conjunction with the flow evaluation, wall shear data were calculated and analyzed to help to quantify wall washing. The major orifice inlet jet of the device containing BSM valves was more intense which led to better circulation and wall washing than the three jets produced by the CM valves Regurgitation through the CM valve was observed and served as a significant hindrance to the development of the rotational flow.

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Liu, Wenjing, Xibao Liu, Hangchao Jin, Jianqiang Huang, Qinglong Huang et Zeming Wang. « Research on Household Ultrasonic Washing Machine and Ultrasonic Transducer Based on Spherical Radiation ». Dans 2022 16th Symposium on Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA). IEEE, 2022. http://dx.doi.org/10.1109/spawda56268.2022.10046027.

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Dunning, Peter D., Pierre E. Sullivan et Michael J. Schertzer. « Method for Characterization of Passive Mechanical Filtration of Particles in Digital Microfluidic Devices ». Dans ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-38875.

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The ability to remove unbound biological material from a reaction site has applications in many biological protocols, such as those used to detect pathogens and biomarkers. One specific application where washing is critical is the Enzyme-Linked ImmunoSorbent Assay (ELISA). This protocol requires multiple washing steps to remove multiple reagents from a reaction site. Previous work has suggested that a passive mechanical comb filter can be used to wash particles in digital microfluidic devices. A method for the characterization of passive mechanical filtration of particles in Digital MicroFluidic (DMF) devices is presented in this work. In recent years there has been increased development of Lab-On-A-Chip (LOAC) devices for the automation and miniaturization of biological protocols. One platform for further research is in digital microfluidics. A digital microfluidic device can control the movement of pico-to nanoliter droplets of fluid using electrical signals without the use of pumps, valves, and channels. As such, fluidic pathways are not hardwired and the path of each droplet can be easily reconfigured. This is advantageous in biological protocols requiring the use of multiple reagents. Fabrication of these devices is relatively straight forward, since fluid manipulation is possible without the use of complex components. This work presents a method to characterize the performance of a digital microfluidic device using passive mechanical supernatant dilution via image analysis using a low cost vision system. The primary metric for performance of the device is particle retention after multiple passes through the filter. Repeatability of the process will be examined by characterizing performance of multiple devices using the same filter geometry. Qualitative data on repeatability and effectiveness of the dilution technique will also be attained by observing the ease with which the droplet disengages from the filter and by measuring the quantity of fluid trapped on the filter after each filtration step.

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Septiani, Gitta, Rivon Tridesman et Estiyanti Ekawati. « Design and implementation of biodiesel washing automation system with set of sensors and programmable logic controller device ». Dans 2015 International Conference on Sustainable Energy Engineering and Application (ICSEEA). IEEE, 2015. http://dx.doi.org/10.1109/icseea.2015.7380742.

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Urbiola-Soto, Leonardo, et Marcelo Lopez-Parra. « Experimental and Analytical Investigation on a Liquid Balance Ring for Automatic Washing Machines ». Dans ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2010. http://dx.doi.org/10.1115/esda2010-24902.

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A high-speed camera and a Particle Image Velocimetry (PIV) technique are used on a transparent liquid balancing device typical of modern washing machines. Experimental results indicate that the baffles placed inside the ring cavity interact with the fluid for it to develop modes of vibration of circumferential and axial type, thus rendering a complex swirl flow inside the annular cavity comprised of two inertial waves. One of such waves travels backwards relative to the rigid body motion. As as a result, a damping effect is induced and a phase lag with respect to the exciting unbalance occurs. An analytical dynamic model of the unbalanced response is derived and correlated with fluid flow visualization experiments and vibration measurements.

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Rapports d'organisations sur le sujet "Washing device"

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Horton, David, Victoria Soroker, Peter Landolt et Anat Zada Byers. Characterization and Chemistry of Sexual Communication in Two Psyllid Pests of Pears (Homoptera : Psyllidae). United States Department of Agriculture, août 2011. http://dx.doi.org/10.32747/2011.7592653.bard.

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Pear-feeding psyllids in the genus Cacopsylla (Hemiptera: Psyllidae) are among the most important arthropod pests of pears worldwide. These pests are exceedingly difficult to control, and new management tools are needed. Sex attractantpheromones have been used in IPM programs for pests of pome fruits (especially Lepidoptera), but not as yet for pest Hemiptera. Results of the current project showed that males of two psyllid pests of pears, Cacopsylla bidens (Israel) and Cacopsylla pyricola (North America), use volatile or semi-volatile compounds to locate female psyllids for mating. For both species, the attractants can be collected from the cuticle of females by washing live female psyllids with an appropriate solvent. Analysis of these washes by gas chromatography – mass spectrometry led to the following discoveries: Psyllid cuticles contain a mix of hydrocarbons, straight chain and branched alkanes, and long chain aldehydes The two species have different chemical profiles Chemical profiles change seasonally and with reproductive status Chemical profiles differ between male and reproductive female psyllids Several specific compounds found to be more abundant in attractive females than males were identified and synthesized. Behavioral assays (olfactometer) were then used to determine whether these compounds were attractive to males. Two compounds showed promise as attractants for male psyllids: 7-methylheptacosane (C. bidens) and 13-methylheptacosane (C. pyricola and C. bidens). These are the first sex attractantpheromones identified for any psyllid species. Field tests showed that the chemicals could be used to attract males under orchard conditions, but that effectiveness in the field appeared to be seasonally variable. Future research plans include: (a) test mixtures of compounds; (b) explore seasonality in field response to compounds; (c) determine whether chirality of the two compounds affects their attractiveness; and (d) compare different types of traps and release devices to optimize lure performance.

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