Academic literature on the topic 'Vacuum evaporation method'

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Journal articles on the topic "Vacuum evaporation method"

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Kuruba, Eresh Kumar, P. V. K. Jagannadha Rao, D. Khokhar, and S. Patel. "Influence of process variables on quality attributes of jaggery prepared by vacuum pan evaporation technology." INTERNATIONAL JOURNAL OF AGRICULTURAL ENGINEERING 13, no. 2 (2020): 188–94. http://dx.doi.org/10.15740/has/ijae/13.2/188-194.

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Jaggery is a solid unrefined, non- centrifugal cane sugar (NCS) with unique colour, flavor and aroma obtained from crushing of cane and evaporating of sugarcane juice. In this paper vacuum pan evaporation method were used sugarcane juice boiling at vacuum pressure (Vp : 500-700 mm of Hg), time (t:60-90 min) and temperature (T:100-1200 C). The quality attributes of jaggery developed from vacuum pan evaporator were investigated at different process variables. The developed jaggery were analyzed for physiochemical. Results showed that TSS (0 Brix) and Hardness (Hd) increased with increase in vacu
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Yao, Shun Zhong, Yong Nian Dai, and Hao Huang. "Researching about Removing Cadmium from Thallium-Bearing Materials with Vacuum Distillation." Advanced Materials Research 335-336 (September 2011): 1123–36. http://dx.doi.org/10.4028/www.scientific.net/amr.335-336.1123.

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Abstract:Dealing with thallium-bearing materials by vacuum distillation under the condition of 400~700°Cand 10-60 Pa.Measured contents of Cd,Tl and Pb under these temperatures.Analzed relations between evaporation rate,residue duty of Cd with temperatures, and The relyations that between evaporation rate,evaporative duty of Tl and Pb with temperatures.Least square method is used to fit the relations and got that the most suitable temperature for evaporating Cd is 560°C;Analyzed the relations between the activity coefficients ratio of Cd-Tl system and Cd-Pb system and temperatures as well as mo
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Ambarita, Himsar. "Kajian Numerik Penguapan Pada Evaporator Desalinasi Air Laut Sistem Vakum Alami." Talenta Conference Series: Energy and Engineering (EE) 1, no. 1 (2018): 095–103. http://dx.doi.org/10.32734/ee.v1i1.117.

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Fokus penelitian ini adalah alat desalinasi air laut energi surya dengan sistem vakum alami. Salah satu bagian terpenting yang menentukan performansi alat ini adalah proses penguapan pada kondisi vakum di dalam evaporator. Para peneliti umumnya menggunakan cara analitik dengan persamaan-persamaan empirik untuk menentukan laju penguapan pada evaporator.Padapenelitian ini diusulkan menggunakan metode numerik dengan menggunakan perangkat lunak CFD untuk menjelaskan proses penguapan pada evaporator. Hasil numerik dan analitik akan dibandingkan dengan hasil eksperimen. Peralatan eksperimen sederhan
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Ali, Reem Sami. "Characterization of ZnO Thin Film/p-Si Fabricated by Vacuum Evaporation Method for Solar Cell Applications." NeuroQuantology 18, no. 1 (2020): 26–31. http://dx.doi.org/10.14704/nq.2020.18.1.nq20103.

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Lastriyanto, Anang, and Silvi Astri Cahyani. "ANALISIS KANDUNGAN ENZIM DIASTASE PADA MADU SINGKONG HASIL PROSES VACUUM EVAPORATION DAN VACUUM COOLING." Pasundan Food Technology Journal 8, no. 2 (2021): 34–37. http://dx.doi.org/10.23969/pftj.v8i2.3917.

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Honey that has a moisture content above 22% should be done moisture reduction process. reduction of water content is done so that honey does not undergo fermentation and has a longer shelf life. One of the ways that can be used to reduce water content in honey is evaporation. Evaporation is of converting some of the water content in the material into steam by utilizing temperatures close to the boiling point of water. However, the minor content of honey, such as the diastase enzyme, is very sensitive to high temperatures. Therefore, vacuum evaporation is used so that the process uses a lower t
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Mohammed, Mohammed S., Ghassq Dawood Salman, and Khaleel I. Hassoon. "Growth and Characterizes of PbI2 Films By Vacuum Evaporation Method." Al-Mustansiriyah Journal of Science 30, no. 2 (2019): 60. http://dx.doi.org/10.23851/mjs.v30i2.581.

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In this work, thin films of lead iodide (PbI2) were deposited on glass substrates with different thicknesses by vacuum thermal evaporation method. The structural, chemical, electrical and optical characteristics of the thin films were studied. XRD analysis showed that lead iodide film is polycrystalline having hexagonal structure. A particle size was estimated by Williamson - Hall technique (13) nm and strain (4.90*10-3) are founded from the intercept with y-axis and slope for PbI2. The UV-VIS measurements illustrated that the lead iodide has a direct optical band gap and Urbach energy to be 0
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Kim, Hwa-Mok, Nam Mee Kim, Chang Soo Park, Shavkat U. Yuldashev, Tae Won Kang, and Kwan Soo Chung. "Growth of Ferromagnetic Semiconducting Si:Mn Film by Vacuum Evaporation Method." Chemistry of Materials 15, no. 21 (2003): 3964–65. http://dx.doi.org/10.1021/cm034534l.

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Pathak, Dinesh, R. K. Bedi, and Davinder Kaur. "Characterization of AgInSe2Films Deposited by Hot-Wall Vacuum Evaporation Method." Materials and Manufacturing Processes 25, no. 9 (2010): 1012–17. http://dx.doi.org/10.1080/10426910903367360.

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Matsuo, H., K. Yoshino, and T. Ikari. "Preparation of AgInSe2 thin films grown by vacuum evaporation method." physica status solidi (c) 3, no. 8 (2006): 2644–47. http://dx.doi.org/10.1002/pssc.200669511.

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Toth, Andras Jozsef, Eniko Haaz, Botond Szilagyi, et al. "COD reduction of process wastewater with vacuum evaporation." Waste Treatment and Recovery 3, no. 1 (2018): 1–7. http://dx.doi.org/10.1515/wtr-2018-0001.

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Abstract Washing detergents in process wastewaters from fine chemical industry produce high Chemical Oxygen Demand (COD), which poses a serious environmental problem. Method has to be found, which follows the principles of circular economy so that the treated water can be recycled or reused. Heat pump vacuum evaporator is evaluated in order to reduce the Chemical Oxygen Demand of process wastewater with washing detergent content from initial 7500 mg O2/L to a lower value below the effluent limit , which is 1000 mg O2/L. Yield and COD rejection are determined for the evaluation of selected trea
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Dissertations / Theses on the topic "Vacuum evaporation method"

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Delpire, Norbert. "Contribution à l'automatisation de la procédure de préparation et d'étude en ultra-vide de couches minces d'alliages." Rouen, 1986. http://www.theses.fr/1986ROUES037.

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Description de l'automatisation de la phase de la mise en vide d'un groupe a des pressions de l'ordre de 10**(-9) torr à partir d'un microordinateur et de nombreux circuits d'interface. Extension du projet global d'automatisation pour gérer toutes les phases du processus. Description de l'appareillage de mesures analogique ainsi que son interface avec le microordinateur
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Єрьоменко, Юрій Сергійович, Юрий Сергеевич Еременко, Yurii Serhiiovych Yeromenko та ін. "Оптичні властивості плівок ZnxCd1-xS, отриманих методом вакуумного випаровування". Thesis, ПП Щербатих О.В. (Дніпропетровський національний університет імені Олеся Гончара), 2016. http://essuir.sumdu.edu.ua/handle/123456789/48023.

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В даній роботі досліджувався вплив концентрації цинку x на оптичні властивості (спектри пропускання, відбивання та ін.) плівок твердого розчину ZnxCd1-xS, отриманих методом вакуумного випаровування у КЗО.
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Соседова, К. Ю. "Проєкт міні-заводу з виробництва сиру кисломолочного та сухої молочної сироватки потужністю 70 т переробленого молока за зміну". Thesis, Чернігів, 2021. http://ir.stu.cn.ua/123456789/23253.

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Соседова, К. Ю. Проєкт міні-заводу з виробництва сиру кисломолочного та сухої молочної сироватки потужністю 70 т переробленого молока за зміну : випускна кваліфікаційна робота : 181 «Харчові технології» / К. Ю. Соседова ; керівник роботи Ж. В. Замай ; НУ "Чернігівська політехніка", кафедра харчових технологій. – Чернігів, 2021. – 67 с.<br>В дипломному проекті на тему «Проект міні-заводу з виробництва сиру кисломолочного та сухої молочної сироватки потужністю 70 т переробленого молока за зміну» розглянуто і запропоновано технологію приготування сиру кисломолочного, сирків дитячих, сухої молочно
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Rakesh, Kumar Rajaboina. "Growth of Semiconductor and Semiconducting Oxides Nanowires by Vacuum Evaporation Methods." Thesis, 2013. http://etd.iisc.ernet.in/2005/3400.

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Recently, there has been a growing interest in semiconductor and semiconducting oxide nanowires for applications in electronics, energy conversion, energy storage and optoelectronic devices such as field effect transistors, solar cells, Li- ion batteries, gas sensors, light emitting diodes, field emission displays etc. Semiconductor and semiconducting oxide nanowires have been synthesized widely by different vapor transport methods. However, conditions like high growth temperature, low vacuum, carrier gases for the growth of nanowires, limit the applicability of the processes for the growth of
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Wang, Hsien-Pin, and 王顯斌. "Study on the Diagnostics of Evaporative System Leak by Using the Vacuum Decay Method for Fuel Injection Motorcycles." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/64265146256561609316.

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碩士<br>崑山科技大學<br>機械工程研究所<br>99<br>The study of this thesis is how to use the vacuum decay method to diagnose the evaporative system leak of motorcycles with the fuel injection system. When the engine is at idle, the vapor in the evaporative system is sucked by the intake manifold vacuum. If the parts in the system is broken, the vapor will leak out and pollute the air. In order to test whether the pipe of the system was broken or not, we can check the rate of vacuum decay by using the vacuum decay method. First, one vacuum sensor was installed in the pipe of the evaporative system near the fuel
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Book chapters on the topic "Vacuum evaporation method"

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Nathanson, Gilbert M. "When Liquid Rays Become Gas Rays: Can Evaporation Ever Be Non-Maxwellian?" In Molecular Beams in Physics and Chemistry. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-63963-1_27.

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AbstractA rare mistake by Otto Stern led to a confusion between density and flux in his first measurement of a Maxwellian speed distribution. This error reveals the key role of speed itself in Stern’s development of “the method of molecular rays”. What if the gas-phase speed distributions are not Maxwellian to begin with? The molecular beam technique so beautifully advanced by Stern can also be used to explore the speed distribution of gases evaporating from liquid microjets, a tool developed by Manfred Faubel. We employ liquid water and alkane microjets containing dissolved helium atoms to monitor the speed of evaporating He atoms into vacuum. While most dissolved gases evaporate in Maxwellian speed distributions, the He evaporation flux is super-Maxwellian, with energies up to 70% higher than the flux-weighted average energy of 2 RTliq. The explanation of this high-energy evaporation involves two beautiful concepts in physical chemistry: detailed balancing between He atom evaporation and condensation (starting with gas-surface collisions) and the potential of mean force on the He atom (starting with He atoms just below the surface). We hope that these measurements continue to fulfill Stern’s dream of the “directness and simplicity of the molecular ray method.”
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Beresnev, V. M., I. N. Torianyk, A. D. Pogrebnjak, et al. "Structure and Physical and Mechanical Properties of Nanocomposite (Zr-Ti-Cr-Nb)N and (Ti-Zr-Al-Nb-Y)N Coatings, Obtained by Vacuum-Arc Evaporation Method." In Springer Proceedings in Physics. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-06611-0_5.

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Grechanyuk, N. I., P. P. Kucherenko, A. G. Melnik, et al. "New Electron-Beam Equipment and Technologies for the Production of Advanced Materials Using Vacuum Melting and Evaporation Methods Developed at SPE [“Eletekhmash”]." In The Minerals, Metals & Materials Series. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-35790-0_9.

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Harrison, Roger G., Paul W. Todd, Scott R. Rudge, and Demetri P. Petrides. "Evaporation." In Bioseparations Science and Engineering. Oxford University Press, 2015. http://dx.doi.org/10.1093/oso/9780195391817.003.0013.

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Evaporation is a process that involves the removal by vaporization of part of the solvent from a solution, with the objective being to concentrate the solution. In the evaporation of solutions containing biological compounds, the volatile solvent can be water or an organic solvent. Organic solvents are frequently used for antibiotics, steroids, and peptides. Often the solution is under a moderate vacuum, at pressures down to about 0.05 atm absolute [1], which is especially important for heat-sensitive biologicals where the temperature should be as low as possible to minimize degradation. The energy source for evaporation is usually steam at a low pressure, below 3 atm absolute [1]. Evaporation processes typically occur after the processes used for the removal of insolubles. They are often used to concentrate a solution just prior to the bioproduct being crystallized or precipitated. Evaporation can often be coupled with extraction: for example, a bioproduct is extracted from an aqueous stream with an organic solvent, and the extract is sent to an evaporator for concentration. In this chapter, the basic principles of evaporation are discussed, followed by a description of the most common types of evaporators for heat sensitive biological products and a discussion of scale-up and design methods. After completing this chapter, the reader should be able to do the following: • Explain the different types of resistances to heat transfer in an evaporator. • Take into account the boiling point elevation in heat transfer calculations for evaporators. • Calculate the heat transfer resistances and residence time for the concentration of a heat-sensitive bioproduct in a falling film evaporator. • Estimate the fouling factor in an evaporator. • Calculate the maximum allowable vapor velocity from an evaporator. • Select an appropriate type of evaporator to use based on the specific operational and product characteristics. • Size evaporators based on specific operating conditions and the expected overall heat transfer coefficient. The main principles to consider for evaporators are heat transfer and vapor-liquid separation. The theoretical basis of these principles will be discussed.
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"Casting." In Metals Fabrication. ASM International, 2013. http://dx.doi.org/10.31399/asm.tb.mfub.t53740047.

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Abstract This chapter covers the practices and procedures used for shape casting metals and alloys. It begins with a review of the factors that influence solidification and contribute to the formation of casting defects. It then describes basic melting methods, including induction, cupola, crucible, and vacuum melting, and common casting techniques such as sand casting, plaster and shell casting, evaporative pattern casting, investment casting, permanent mold casting, cold and hot chamber die casting, squeeze casting, semisolid metal processing, and centrifugal casting.
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Conference papers on the topic "Vacuum evaporation method"

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Gryaznov, A. O., E. V. Lee, A. V. Ishchenko, et al. "Automated installation for organic coatings deposition by vacuum thermal evaporation method." In 3RD ELECTRONIC AND GREEN MATERIALS INTERNATIONAL CONFERENCE 2017 (EGM 2017). Author(s), 2017. http://dx.doi.org/10.1063/1.5002986.

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Olimov, Shoirbek, Chen Nuo-fu, A. M. Kasimakhunova, et al. "HETEROJUNCTION SILICON PHOTOCONVERTERS OBTAINED BY THE EVAPORATION METHOD IN A VACUUM." In 2019 2nd International Conference on Computing, Mathematics and Engineering Technologies (iCoMET). IEEE, 2019. http://dx.doi.org/10.1109/icomet.2019.8673499.

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Sayeed, Md Abu, Hasan Khaled Rouf, Mohd Rezaul Hasan, and K. M. A. Hussain. "Thickness Dependency of Zinc Selenide (ZnSe) Thin Film Deposited By Vacuum Evaporation Method." In 2019 1st International Conference on Advances in Science, Engineering and Robotics Technology (ICASERT). IEEE, 2019. http://dx.doi.org/10.1109/icasert.2019.8934587.

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Pengxiang Wang, Mei Xiao, Xiaobing Zhang, and Wei Lei. "The quartz crystal microbalance method for measuring the cathode evaporation rate during current emission." In 8th International Vacuum Electron Sources Conference and Nanocarbon (2010 IVESC). IEEE, 2010. http://dx.doi.org/10.1109/ivesc.2010.5644272.

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Sharma, Mahesh Chand, Balram Tirpathi, Y. K. Vijay, P. Predeep, Mrinal Thakur, and M. K. Ravi Varma. "Optical Characterization of CuInSe[sub 2] Thin Films Prepared by Vacuum Thermal Evaporation Method." In OPTICS: PHENOMENA, MATERIALS, DEVICES, AND CHARACTERIZATION: OPTICS 2011: International Conference on Light. AIP, 2011. http://dx.doi.org/10.1063/1.3643664.

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Akaki, Yoji, Kyohei Yamashita, Tsuyoshi Yoshitake, et al. "Effect of annealing for Ag-In-S thin films prepared by a vacuum evaporation method." In 2010 35th IEEE Photovoltaic Specialists Conference (PVSC). IEEE, 2010. http://dx.doi.org/10.1109/pvsc.2010.5614345.

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Ishiyama, Tatsuya, Takeru Yano, and Shigeo Fujikawa. "Determination of Condensation Coefficient and Boundary Condition for Kinetic Theory of Gases by Molecular Dynamics Simulations of Evaporation of Argon Into Vacuum." In ASME/JSME 2003 4th Joint Fluids Summer Engineering Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/fedsm2003-45021.

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Molecular dynamics simulations at liquid-vapor equilibrium condition and evaporation condition into vacuum were carried out to investigate the boundary condition for the kinetic theory of gases. The determination method for condensation coefficient α consistent with the kinetic theory is also proposed. It was found that α for argon at an equilibrium state is close to unity near the triple point temperature of the bulk liquid, and decreases gradually as the temperature rises. The velocity distribution of molecules evaporating into vacuum becomes nearly half-Maxwellian near the triple point temp
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Wakasa, Takahiro, Kazunari Shinbo, Yasuo Ohdaira, Keizo Kato, and Futao Kaneko. "Structure and Properties Due to NO2 Gas in Copper Phthalocyanine Films Prepared by Oblique Vacuum Evaporation Method." In 2005 International Conference on Solid State Devices and Materials. The Japan Society of Applied Physics, 2005. http://dx.doi.org/10.7567/ssdm.2005.p10-3.

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Kobori, S., M. C. Jung, Y. M. Lee, et al. "Growth mechanism of organic-inorganic hybrid perovskite thin films fabricated by two-step sequential vacuum evaporation method." In 2018 International Conference on Solid State Devices and Materials. The Japan Society of Applied Physics, 2018. http://dx.doi.org/10.7567/ssdm.2018.ps-11-10.

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Zhang, Jian, Kaichiro Mishima, Naoki Sugitani, Masahiro Hino, and Tomoji Takamasa. "Radiation Induced Surface Activation on SUS304 Rod Surface Coated With Thin Film Layer Formed by Vacuum Evaporation Method." In 16th International Conference on Nuclear Engineering. ASMEDC, 2008. http://dx.doi.org/10.1115/icone16-48192.

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In this study, the effect of film layer deposited on a metal surface by vacuum evaporation method on the RISA phenomenon was investigated from the view points of surface wettability and quenching velocity. Test rods were made of SUS304 with the outer diameter of 24mm and the length of 150mm. Four kinds of materials, i.e. titanium, zircaloy-II, germanium and silicon, were deposited separately on the half-circumference surface of a SUS304 rod with thickness of 200 nm. It was concluded that the RISA effect was observed on the film-coated surfaces after gamma-ray irradiation, which is similar to t
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