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Thematische Bibliographien / Test fluid / Zeitschriftenartikel

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Zeitschriftenartikel zum Thema „Test fluid“

Autor: Grafiati

Veröffentlicht am 29. Juni 2021

Zuletzt aktualisiert am 29. Juli 2025

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1

Tkáč, Z., R. Majdan, Š. Drabant, J. Jablonický, R. Abrahám, and P. Cvíčela. "The accelerated laboratory test of biodegradable fluid type “ertto”." Research in Agricultural Engineering 56, No. 1 (2010): 18–25. http://dx.doi.org/10.17221/26/2009-rae.

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The accelerated laboratory tests can evaluate the properties of new biodegradable fluids under relatively short time. These test results are the ground for the continuity of the tests under operation conditions in machine. The paper presents the test of new biodegradable hydraulic fluid type “Environmentally responsible tractor transmission oil” by designed special test device. The test evaluation was realized by technical state of concrete hydrostatic pump UD 25 which is used in tractors Zetor Forterra. This pump was loaded by cyclic pressure loading during the test with tested fluid. The eva

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Peng, Hai, and Dan He. "Cutting Test and Analysis of the Emulsified Deep-Hole Cutting Fluid." Advanced Materials Research 189-193 (February 2011): 3066–70. http://dx.doi.org/10.4028/www.scientific.net/amr.189-193.3066.

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This paper depicts the types and functions of cutting fluid, compared functions, advantages and disadvantages with several other cutting fluids. According to the characteristics of BTA deep-hole machining and cutting fluid requirements, some of cutting fluids were chose to do the drilling test. In order to satisfy the lubrication and cooling effect of the cutter, the oil-in-water type cutting fluid which through a comparative analysis of the experiment was used in the deep-hole machining, in the meanwhile, it can reduce the economic costs and environmental pollution.

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Juraj, Tulík, Hujo Ľubomir, Kosiba Jan, Jablonický Juraj, and Jánošová Michela. "Evaluation of new biodegradable fluid on the basis of accelerated durability test, FTIR and ICP spectroscopy." Research in Agricultural Engineering 63, No. 1 (2017): 1–9. http://dx.doi.org/10.17221/6/2015-rae.

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The paper deals with the properties of newly developed synthetic biodegradable fluid in terms of its operational and physico-chemical properties. The evaluated fluid is a new biodegradable fluid MOL Farm UTTO Synt, which belongs to the group of universal gear-hydraulic fluids. At the beginning, the fluid was subjected to accelerated durability test under laboratory conditions, with monitoring its impact on technical conditions of the used hydraulic pump UD 25. After that, the FTIR spectroscopy analysis was performed, with monitoring thermal oxidation, oxidation by acid products, water content

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Matuszewski, Leszek. "Multi-stage magnetic-fluid seals for operating in water – life test procedure, test stand and research results." Polish Maritime Research 20, no. 1 (2013): 39–47. http://dx.doi.org/10.2478/pomr-2013-0005.

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AbstractThe edge criteria for magnetic-fluid seals durability research were described in previous article [24] and now the tests results are presented. The tests were made with three magnetic fluids using various magnets quantity in magnetic assemblies. If values obtained in the repeated test deviated by more than 10 % from results of the first test an additional control test was made for final characteristics. The characteristics are: critical pressure, critical motion velocity and working life of the seal. The test stands were prepared for particular seals dimensions and results of tests are

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Zhao, Dong Mei, and Xue Peng Liu. "Magnetorheological Fluid Test and Application." Advanced Materials Research 396-398 (November 2011): 2158–61. http://dx.doi.org/10.4028/www.scientific.net/amr.396-398.2158.

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Magnetorheological fluid is a kind of new intelligent materials, because of its good controllable and mechanical properties; therefore it can be widely used in aerospace, mechanical engineering and automotive engineering, precision processing engineering, control engineering and engineering field. This paper introduces magnetorheological fluid mechanics model of MRF, temperature static shear yield stress, and the influence of MRF static shear yield stress test, introduces magnetorheological fluid in the application of variable hardness collar. The application tendency of the magnetic fluid flo

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Majdan, R., Z. Tkáč, J. Kosiba, et al. "Evaluation of tractor biodegradable hydraulic fluids on the basis of hydraulic pump wear." Research in Agricultural Engineering 59, No. 3 (2013): 75–82. http://dx.doi.org/10.17221/18/2012-rae.

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Two types of biodegradable hydraulic fluids (HEES and HEPR) with the mineral oil-based hydraulic fluid (HV) were compared. The tests were performed using a test bench. During the tests with a tractor hydraulic pump, the fluids were loaded by a cyclic pressure load. The tests of fluids were evaluated on the basis of wear of the pump. Evaluation parameters were the flow characteristics of the pump and the cleanliness level of tested fluids. The temperature of the fluid under which the test was performed was measured in real operating conditions of the Zetor Forterra 11441 tractor. It is possible

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Hernandez-Salazar, C. A., J. L. Endrino, F. H. Diaz, C. A. Calero, M. Zurita-Gotor, and E. D. V-Niño. "Computational modeling and analysis of a fluid test rig." Journal of Physics: Conference Series 2726, no. 1 (2024): 012007. http://dx.doi.org/10.1088/1742-6596/2726/1/012007.

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Abstract Nanofluids, which are suspensions of metallic or ceramic nanoparticle fillers in a variety of liquids, are a new category of heat-transfer fluids. Owing to the changes in thermal conductivity caused by nanofillers, they have thermal properties that are superior to those of conventional fluids; this leads to a more efficient heat transfer, making them attractive for various industrial applications. Using numerical models to support in situ experiments is necessary to analyze nanofluids’ thermal properties and flow; creating a test ring has been suggested to describe the characteristics

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Aliyah, R., E. Sudibyo, Suyatno, and Wasis. "The Profile of Misconceptions Using Three Tier Diagnostic Test on Dynamic Fluid." Journal of Physics: Conference Series 2392, no. 1 (2022): 012032. http://dx.doi.org/10.1088/1742-6596/2392/1/012032.

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Abstract Dynamic fluids have a stationary flow, where the volume of fluid flowing in each cross-section of the pipe in a specific time interval is the same even though the pipe is widening or narrowing but the fluid velocity is different. When a fluid moves through a section where the velocity and height above the surface change, the pressure in the fluid changes. Understanding led to errors in understanding the concept, so this research was carried out to identify the profile of misconceptions in a dynamic fluid material. Students misconceptions were detected using a three-tier diagnostic tes

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Hedstrom, Olaf, Robert Sonn, Peggy Dearing, Stanley P. Snyder, and E. Duane Lassen. "Measurement of IgG Concentration in Ovine Fetal Fluids: A Useful Diagnostic Test." Journal of Veterinary Diagnostic Investigation 1, no. 2 (1989): 128–31. http://dx.doi.org/10.1177/104063878900100207.

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The Veterinary Diagnostic Laboratory at Oregon State University received 172 aborted ovine fetuses during the 1985–1987 lambing seasons; from 120 of these, body fluids were evaluated for IgG levels. Fifty-two (43%) of the fetal fluids had immunoglobulin G (IgG) levels greater than 15 mg/dl. Forty-five (87%) of the fluids with elevated IgG levels were confirmed or presumed toxoplasma or Chlamydia abortions. A mean fetal fluid IgG concentration of 111.5 ± 78 mg/dl was found for the 26 toxoplasma abortions; for the 19 Chlamydia abortions, a mean IgG concentration of 109 ± 91 mg/dl was found. Anti

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ZHOU, SHIQI. "EXTENDING SIMPLE WEIGHTED DENSITY APPROXIMATION FOR HARD SPHERE FLUID TO LENNARD–JONES FLUID (I): TEST." International Journal of Modern Physics B 19, no. 32 (2005): 4701–21. http://dx.doi.org/10.1142/s0217979205033078.

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A theoretical formalism which can be combined with any hard sphere density functional approximations (DFA) to construct DFA for non-hard sphere fluids with a hard or soft core subjected to diverse external potentials is proposed. To show validity and power of the present formalism, we employ a simple weighted density approximation as an illustrating example. It is found that the resultant DFA for Lennard–Jones fluid under influences of diverse extenal potentials is in generally satisfactory agreement with corresponding simulational results even though the co-existence bulk fluid in the particl

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H. M. Almahdawi, Faleh, Ahmed Zarzor Al-Yaseri, and Nagham Jasim. "Apparent Viscosity Direct from Marsh Funnel Test." Iraqi Journal of Chemical and Petroleum Engineering 15, no. 1 (2014): 51–57. http://dx.doi.org/10.31699/ijcpe.2014.1.6.

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Accurate and simple techniques for measurement of fluid rheological properties are important for field operations in the oil industry. Marsh Funnels are popular quality-control tools used in the field for drilling fluids and they offer a simple, practical alternative to viscosity measurement. In the normal measurements, a single point (drainage time) is used to determine an average viscosity; little additional information is extracted regarding the non-Newtonian behavior of the fluid.Here, a new model is developed and used to determine the rheological properties of drilling muds and other non-

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JOHNSON, A. R., W. A. BULLOUGH, R. FIROOZIAN, A. HOSSEINI-SIANAKI, J. MAKIN, and S. XIAO. "TESTING ON A HIGH SPEED ELECTRO-RHEOLOGICAL CLUTCH." International Journal of Modern Physics B 06, no. 15n16 (1992): 2731–47. http://dx.doi.org/10.1142/s0217979292001390.

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The design of a prototype ER clutch and its associated test facility have been described and sample results from the initial test programme are presented. The ER clutch shows considerable promise and outperforms various magnetic devices. Further clutch and ER fluid developments should increase these advantages. The test facility described provides a quick method for obtaining a wide range of important fluid properties from a single small quantity of fluid in a single test facility operating under realistic engineering conditions. The results reported emphasize the need for continuing ER fluid

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Baguley, S. D. K., P. J. Horner, P. A. C. Maple, and L. Stephenson. "An oral fluid test for syphilis." International Journal of STD & AIDS 16, no. 4 (2005): 299–301. http://dx.doi.org/10.1258/0956462053654302.

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We have developed a time-resolved fluorescence immunoassay to detect antibodies to Treponema pallidum recombinant antigens in oral fluid specimens. Using an 'Oracol' swab, oral fluid was collected from 34 subjects with a serological diagnosis of syphilis and 97 seronegative controls. Using a cut-off of three standard deviations over control mean, the sensitivity and specificity of the assay in all subjects with positive syphilis serology was 76.5% and 97.9%, respectively. In those with early syphilis, the sensitivity and specificity of the assay was 100% and 97.9%. In a non-outbreak situation,

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Ulicny, John C., Michael P. Balogh, Noel M. Potter, and Richard A. Waldo. "Magnetorheological fluid durability test—Iron analysis." Materials Science and Engineering: A 443, no. 1-2 (2007): 16–24. http://dx.doi.org/10.1016/j.msea.2006.06.050.

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15

Ulicny, John C., Charlene A. Hayden, Patrick M. Hanley, and Deborah F. Eckel. "Magnetorheological fluid durability test—Organics analysis." Materials Science and Engineering: A 464, no. 1-2 (2007): 269–73. http://dx.doi.org/10.1016/j.msea.2007.01.059.

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16

Parodi, Maurizio Battaglia, and Daniele D. Giusto. "Ocular Fluid Ferning Test and Fractals." Ophthalmic Research 25, no. 5 (1993): 307–13. http://dx.doi.org/10.1159/000267330.

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17

Fertell, Richard, and Hamed Ershad. "Automatically Monitoring, Controlling, and Reporting Status/Data for Multiple Product Life Test Stands." Inventions 4, no. 1 (2019): 7. http://dx.doi.org/10.3390/inventions4010007.

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This paper describes an industry laboratory implementation of local and remote automation monitoring and control of several product testing stands for status, safety, and an efficient use of resources, as well as the purpose and inter-relationship between the tests, product reliability estimations, customer applications, and possible solutions to test specification issues. Like an airport departure/arrival board, the summary statuses of several life stands are reported on a monitor using a mobile application interface. Detailed data analysis reports and emergency shutdown statuses are emailed

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Matuszewski, Leszek. "Multi-stage magnetic-fluid seals for operating in water – life test procedure, test stand and research results." Polish Maritime Research 19, no. 4 (2012): 62–70. http://dx.doi.org/10.2478/v10012-012-0041-3.

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ABSTRACTThe edge criteria for magnetic-fluid seals durability research are critical for the seal’stechnological usefulness. The magnetic fluid seal technology in water is much moredifficult technological problem in comparison to gas or vacuum environment. There isalways problem with immediate contact between magnetic fluid and the environmentaluninspected liquids. In the paper are presented ways of experiments definitions carried outwith multi-stage rotating magnetic fluid seal operating in permanent contact with utilitywater. The special test procedures have been elaborated and practically us

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Jie, Yang. "Experiment Study on the properties of Su-53 fracturing fluid." Highlights in Science, Engineering and Technology 25 (December 13, 2022): 293–97. http://dx.doi.org/10.54097/hset.v25i.3505.

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The sand carrying performance of the fracturing fluid is one of the decisive properties of the sand laying form of the proppant in the reservoir, and the sand carrying performance of the seven fracturing fluids on appeal is tested according to the Stokes theoretical formula for two melon samples and five viscoelastic surfactant samples. Single-particle sedimentation test and multi-particle sedimentation test were carried out and the fracturing fluid was optimized based on test data.The treatment of fracturing fluid flowback has always been a problem in the industry. In this paper, a redistribu

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Lovrec, Darko, and Vito Tič. "Suitability of Test Procedures for Determining the Compatibility of Seal Materials with Ionic Hydraulic Fluids." Polymers 16, no. 18 (2024): 2551. http://dx.doi.org/10.3390/polym16182551.

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The compatibility of seal materials with the working fluid is crucial for the flawless, energy-saving, environmentally sustainable, and safe operation of any technical system. This is especially true for hydraulic systems operating under high operating pressure. The problem of materials compatibility comes into play when either a new type of seal material or a new type of fluid comes into use. The paper discusses the research findings regarding material compatibility testing of new high-tech ionic hydraulic fluids with commonly used seal materials. Due to the completely different chemical comp

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21

Waniewski, Jacek, Ramón Paniagua, Joanna Stachowska–Pietka, et al. "Threefold Peritoneal Test of Osmotic Conductance, Ultrafiltration Efficiency, and Fluid Absorption." Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis 33, no. 4 (2013): 419–25. http://dx.doi.org/10.3747/pdi.2011.00329.

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BackgroundFluid removal during peritoneal dialysis depends on modifiable factors such as tonicity of dialysis fluids and intrinsic characteristics of the peritoneal transport barrier and the osmotic agent—for example, osmotic conductance, ultrafiltration efficiency, and peritoneal fluid absorption. The latter parameters cannot be derived from tests of the small-solute transport rate. We here propose a simple test that may provide information about those parameters.MethodsVolumes and glucose concentrations of drained dialysate obtained with 3 different combinations of glucose-based dialysis flu

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Majdan, R., J. Kosiba, J. Tulík, D. Kročková, and V. Šinský. "The comparison of biodegradable hydraulic fluid with mineral oil on the basis of selected parameters ." Research in Agricultural Engineering 57, Special Issue (2011): S43—S49. http://dx.doi.org/10.17221/7/2011-rae.

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The paper presents a comparison of two fluids quality. The first one was mineral oil type UTTO which is commonly used in the transmission and hydraulic systems of agricultural tractors. The second one tested was biodegradable hydraulic fluid type ERTTO which could replace the toxic mineral oil. Both fluids were tested under the same test conditions using a special test device. The selected parameters of the hydrostatic pump were evaluated. The tests were evaluated according to the parameters describing the technical state of the hydrostatic pump as follows: flow efficiency, decrease of flow ef

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Lakner, Thomas, and Marvin Hardt. "A Novel Experimental Test Bench to Investigate the Effects of Cutting Fluids on the Frictional Conditions in Metal Cutting." Journal of Manufacturing and Materials Processing 4, no. 2 (2020): 45. http://dx.doi.org/10.3390/jmmp4020045.

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The tribological effect of cutting fluids in the machining processes to reduce the friction in the cutting zone is still widely unknown. Most test benches and procedures do not represent the contact conditions of machining processes adequately, especially for interrupted contacts. This results in a lack of knowledge of the tribological behavior in machining processes. To close this knowledge gap, a novel experimental test bench to investigate the effects of cutting fluids on the frictional conditions in metal cutting under high-pressure cutting fluid supply was developed and utilized within th

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Verbovskyi, Orest, Ihor Popadyuk, Vadym Orel, and Vitalii Makarchuk. "Experimental test-bed for test of pumps with frequency regulation." Problems of Water supply, Sewerage and Hydraulic, no. 44 (October 4, 2023): 11–18. http://dx.doi.org/10.32347/2524-0021.2023.44.11-18.

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A literature review was conducted to develop an experimental stand for testing pumps. It was established that frequency regulation is one of the quantitative energy-saving methods of controlling the operation of the pumping unit. At the same time, the influence on the pump unit is carried out by changing the operating point by means of variable pump curve. The hydraulic schemes for experimental study of frequency-controlled pumps presented in the article have certain disadvantages: 1) the location of the pump relative to the tank is ambiguous regarding the operation of the pump under flooded s

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Roodhart, L. P. "Fracturing Fluids: Fluid-Loss Measurements Under Dynamic Conditions." Society of Petroleum Engineers Journal 25, no. 05 (1985): 629–36. http://dx.doi.org/10.2118/11900-pa.

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Abstract When filter-cake-building additives are used in fracturing fluids, the commonly applied static, 30-minute API filtration test is unsatisfactory, because in a dynamic situation (like fracturing) the formation of a thick filter cake will be inhibited by the shearing forces of the fracturing fluid. A dynamic, filter-cake-controlled, leakoff coefficient that is dependent on the shear rate and shear stress at the fracture face is, therefore, introduced. A test apparatus has been constructed in which the fluid leakoff is measured under conditions of temperature, rate of shear, duration of s

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Battula, Sreedhar Rao, Keerthana Reddy Chittireddy, Meena Pullurwar, and Kishore Kumar Sriramoju. "Thermal performance of corrugated plate heat exchanger using ethylene glycol as test fluid." Journal of Mechanical and Energy Engineering 4, no. 2 (2020): 167–72. http://dx.doi.org/10.30464/jmee.2020.4.2.167.

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This paper reports an experimental comparative thermal analysis of a flat plate heat exchanger and corrugated plate heat exchanger (CPHE) of different corrugation angles using ethylene glycol as test fluid. The experiments were carried out counter current mode using water as hot fluid at 75°C. Design of each plate provided with eleven thermocouple sensors to determine the temperatures, in which seven were used to measure the surface temperature of plate and four were used to measure the inlet and outlet bulk temperature of cold and hot fluids. The mass flow rate of test fluid, varied between 0

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Tatsar, Mohammad Zaky, Nuril Munfaridah, and Markus Diantoro. "Pengembangan FIDTI (Fluid Isomorphic Diagnostic Test Inventory) Sebagai Instrumen Diagnostik Miskonsepsi Fluida." Prosiding SNFA (Seminar Nasional Fisika dan Aplikasinya) 2 (November 28, 2017): 146. http://dx.doi.org/10.20961/prosidingsnfa.v2i0.16384.

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<p class="AbstractEnglish"><strong>Abstract</strong>: We have developed a FIDTI (Fluid Isomorphic Diagnostic Test Inventory) as misconception diagnostic instruments. This development research is based on the importance of educators knowing the misconceptions of learners. Beside that the accurate quantity of diagnostic tests to help learners and educators understand the misconceptions that occur in the fluid material is still small.The model that used in this research FIDTI development is ADDIE (Analysis, Design, Development, Implementation, and Evaluation) development model.

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Mulyono, Ali Mursyid Wahyu, Engkus Ainul Yakin, and Muhammad Affan Azizy Hasibuan. "In Vitro Digesting Measurement of Cassava Leaves Using Gizzard Fluid and Chicken Duodenum." Bantara Journal of Animal Science 3, no. 2 (2021): 58. http://dx.doi.org/10.32585/bjas.v3i2.1947.

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Cassava leaves are an alternative feed material that can be a feed material with sufficient protein content. The study aimed to determine the effect of gizzard and duodenal fluids on in vitro digesting measurements of cassava leaves. The study used a Complete Randomized Design (RAL) unidirectional pattern, Variance Analysis (ANOVA) with Duncan's Multiple Range Terst (DMRT) follow-up test using the SPSS application. The study used 4 treatments and 3 repeats: P0: No digestive fluids (controls), P1: Gizzard fluid, P2: Duodenal fluid, P3: A mixture of gizzard and duodenal fluids. The observed vari

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Hanshi, Zhang, Jiang Guancheng, Bi Hongxun, and Zhu Kuanliang. "Research on Protecting Formation Low-Damage Workover Fluid in Low Permeability Reservoir." International Journal of Nanoscience 18, no. 06 (2019): 1850049. http://dx.doi.org/10.1142/s0219581x18500497.

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During the workover treatment process, poorly compatible workover fluids infiltrating into reservoir could cause serious formation damage. To tackle the aformentioned issues, in this work, low-damage workover fluid was systematically studied. By investigating reservoir damage mechanisms, chemical property study, compatibility evaluation test and core flow test, we obtain three kinds of workover fluids suitable for different blocks in Nanpu oilfield. Attractively, JRYL workover fluid which contains antiswelling agents can effectively prevent water sensitivity, and the permeability recovery valu

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Marichelvam, Mariappan Kadarkarainadar, Parthasarathy Manimaran, Anish Khan, Mariappan Geetha, Abeer Mohamed Alosaimi, and Mahmoud Ali Hussein. "Development of Eco-Friendly Cutting Fluid for Machining of AISI 1010 Steel in Automotive Industry." Sustainability 14, no. 15 (2022): 9414. http://dx.doi.org/10.3390/su14159414.

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In spite of better performance, the disposal of used petroleum-based cutting fluids threatens our environment. Thus, it is essential to develop eco-friendly cutting fluids for performing machining operations in industries. The main contribution of this paper is to develop an eco-friendly cutting fluid for the plain turning of AISI 1010 steel which is used in the automotive industry. In the present work, boric acid (H3BO3) was mixed with the neem seed. Neem seed oil is easily available in many countries including India. The effectiveness of the proposed cutting fluid was evaluated by conducting

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van Zanten, A. P., and A. Twijnstra. "Test characteristics of cerebrospinal fluid tumor markers." Clinical Chemistry 41, no. 12 (1995): 1786. http://dx.doi.org/10.1093/clinchem/41.12.1786.

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Crook, M., P. Tutt, and R. Swaminathan. "Test characteristics of cerebrospinal fluid tumor markers." Clinical Chemistry 41, no. 12 (1995): 1786–87. http://dx.doi.org/10.1093/clinchem/41.12.1786a.

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Martín-Fernández, Manuel, Vicente Ponsoda, Julio Olea, Pei-Chun Shih, and Javier Revuelta. "A multistage adaptive test of fluid intelligence." Psicothema 3, no. 28 (2016): 346–52. http://dx.doi.org/10.7334/psicothema2015.287.

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Zoccoli, C. M., O. Zalatimo, and M. J. Glantz. "Is cerebrospinal fluid cytology a useful test?" Journal of Clinical Oncology 29, no. 15_suppl (2011): 2079. http://dx.doi.org/10.1200/jco.2011.29.15_suppl.2079.

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De Chiffre, L., S. Lassen, K. B. Pedersen, and S. Skade. "A reaming test for cutting fluid evaluation." Journal of Synthetic Lubrication 11, no. 1 (1994): 17–34. http://dx.doi.org/10.1002/jsl.3000110103.

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Zou, Minghua, Jifei Yu, Huan Chen, et al. "Laboratory Test of Fluid Physical Property Parameters of Well Fluid Containing CO2." Processes 11, no. 7 (2023): 1954. http://dx.doi.org/10.3390/pr11071954.

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Change regulation of the physical properties of fluid is key to accurately predicting multiphase fluid flow in the production wellbore of CO2 flooding reservoirs. Given the characteristics of significant changes in pressure, temperature, and CO2 content in the whole wellbore of production wells in CO2 flooding reservoirs, this paper systematically studied the change rules of volume factor, viscosity, density, and solubility of well fluid for pressure 5~30 MPa, temperature 20~120 °C, and CO2 content 10~90% through single degassing PVT experiments. According to the experimental results, the volu

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Hadi, Syamsul, Muhammad Naufal Abiyyi Hutagalung, Bayu Pranoto, Firman Dwiyanto, and Dadang Kurniawan. "Analysis of Leakage Test Results on Flange-Gasket Piping System Simulator Device." LOGIC : Jurnal Rancang Bangun dan Teknologi 25, no. 1 (2025): 27–34. https://doi.org/10.31940/logic.v25i1.27-34.

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Fluid leaks in piping installations often occur in the industrial sector which is detrimental due to the selection of gasket materials, flanges, and improper tightening torque of flange bolts. The fluids that are flowed can be clean water, palm oil with a fatty acid content at an acidity level (pH) of around 4, oil, solutions with a certain pH or fuel. The purpose of the simulator device analysis is to obtain data on the level of tightening torque of bolts-nuts on 1 inch pipe flanges-gaskets and the volume of leakage. The analysis method includes setting the working pressure of the fluid on th

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Mazlan, Saiful Amri, Izwan Ismail, Mohamad S. Fathi, Shuib Rambat, and Samsol F. Anis. "An Experimental Investigation of Magnetorheological (MR) Fluids under Quasi-Static Loadings." Key Engineering Materials 495 (November 2011): 285–88. http://dx.doi.org/10.4028/www.scientific.net/kem.495.285.

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In our earlier work, test equipment has been designed, simulated and fabricated to perform experiment on MR fluids in squeeze mode. Preliminary results were gathered and presented for the purpose of validating the test equipment. Therefore, in this paper, a further systematic investigation of MR fluids in squeeze mode has been carried out. As a result, MR fluids experienced rheological changes in three stages during compression and tension. Fluid-particles separation phenomenon was the main caused for the unique behaviour of MR fluids. Particle chains depended on the structure transformation i

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KORNAEVA, I. N., S. G. STEBAKOV, E. P. POPOV, V. V. DREMIN, and D. D. STAVTSEV. "THE TEST RIG FOR STUDYING THE RHEOLOGICAL PROPERTIES OF PHYSIOLOGICAL FLUIDS." Fundamental and Applied Problems of Engineering and Technology 3 (2021): 131–38. http://dx.doi.org/10.33979/2073-7408-2021-347-3-131-138.

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This article presents the results of work on the rig for studying the rheological properties of physiological fluids. The hardware and software components of the test rig is described. The test results of the fluid flow detection in the capillary were obtained on the basis of the laser speckle contrast visualization method.

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McGinn, P., G. Tretola, and K. Vogiatzaki. "Unified modeling of cavitating sprays using a three-component volume of fluid method accounting for phase change and phase miscibility." Physics of Fluids 34, no. 8 (2022): 082108. http://dx.doi.org/10.1063/5.0094196.

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In this study, a new three-fluid volume of fluid framework is presented in order to be used as a tool for providing physical insight—in a unified manner—to cavitating sprays and other complex multi-fluid, multiphase fluid flows. The framework accounts for phase change across a sharp interface between two fluids (gas and liquid) including miscibility between the fluid generated due to phase change (liquid vapor due to cavitation in the investigated cases) and one of the existent fluids (gaseous air). Systematic validation of the framework was performed over three cases. The first case is a bubb

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Ramenskaya, G. V., I. E. Shohin, A. Y. Savchenko, and E. A. Volkova. "The dissolution test in biorelevant media as a prognostic tool for modeling of drug behavior in vivo." Biomeditsinskaya Khimiya 57, no. 5 (2011): 482–89. http://dx.doi.org/10.18097/pbmc20115705482.

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The review deals with the modern tool for modeling of drug behavior in vivo, - the dissolution test in biorelevant media, imitating gastrointestinal fluids. The formulations and preparation methods of fasted state simulation intestinal fluid, FaSSIF and fed state simulation intestinal fluid, FeSSIF, are defined. In addition, the dissolution characteristics of APIs from different BCS classes in biorelevant media are described. Possible applications of biorelevant media in regulatory practice and science are also shown.

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McDaniel, Robert Ray, Asoke Kumar Deysarkar, Michael Joseph Callanan, and Charles A. Kohlhaas. "An Improved Method for Measuring Fluid Loss at Simulated Fracture Conditions." Society of Petroleum Engineers Journal 25, no. 04 (1985): 482–90. http://dx.doi.org/10.2118/10259-pa.

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Abstract A test apparatus is designed to carry out dynamic and static fluid-loss tests of fracturing fluids. This test apparatus simulates the pressure difference, temperature, rate of shear, duration of shear, and fluid-flow pattern expected under fracture conditions. For a typical crosslinked fracturing fluid, experimental results indicate that fluid loss values can be a function of temperature, pressure differential, rate of shear, and degree of non-Newtonian behavior of the fracturing fluid. A mathematical development demonstrates that the fracturing-fluid coefficient and filter-cake coeff

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Jablonický, Juraj, Mirko Simikić, Juraj Tulík, Milan Tomić, Ľubomír Hujo, and Ján Kosiba. "Monitoring of Selected Physical and Chemical Parameters of Test Oil in the Wet Disc Brake System." Acta Technologica Agriculturae 23, no. 1 (2020): 46–52. http://dx.doi.org/10.2478/ata-2020-0008.

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AbstractPaper presented is focused on the operating measurements of a tractor wet disc brake system. Operating measurements were evaluated after tractor’s operation at 500 Mth on the 3rd, 4th and 5th gear. Reference fluid and ecological fluid were tested during operation. In addition, work results include the evaluation of the fluid samples taken during the operational tests to monitor the tractor braking performance with wet disc brakes. Fluid samples were also tested in order to determine the changes in their physico-chemical properties. Chemical analysis was performed for both oil samples b

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Yusuf, Taofeek Ayotunde, Chibueze Nnorom, and Olusola Femi Olusunmade. "Evolution of Synthetic Fluid from Water Extract from Fermented Ground Maize (WEFGM) as an Alternative to Water-Based Cutting Fluids: Performance Test." Advanced Materials Research 1150 (November 2018): 59–66. http://dx.doi.org/10.4028/www.scientific.net/amr.1150.59.

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The use of agricultural wastes and natural materials in new technologies is a novel subject. Consequently, an attempt has been made to formulate a synthetic fluid using an organic water, Water Extract from Fermented Ground Maize (WEFGM) and compare its performance with water-based sample in turning operation using a mild steel as workpiece. Two samples of synthetic fluids were formulated from each of deionized WEFGM, ordinary WEFGM and deionized water as base-fluids at two composition (5 and 10%vol) levels of selected additives. The results of experimental analysis of heat transfer properties

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Shaumi Miftahul Rasyida, Achmad Dafir Firdaus, and Sismala Harningtyas. "Relathionship Relationship Between Fulfillment Of Pre-Operative Fluid Needs And The Incidence Of Nausea And Vomiting In Patients Post General Anesthesia At Dr Saiful Anwar Hospital, East Java Province." PROFESSIONAL HEALTH JOURNAL 6, no. 2 (2024): 499–504. https://doi.org/10.54832/phj.v6i2.866.

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Introduction: Postoperative nausea and vomiting, known as Postoperative Nausea Vomiting (PONV), is one of the problems often experienced by post-operative patients. Most anesthetic drugs have a vasodilation effect which causes hypotension and hypoperfusion, thereby stimulating the CTZ to produce nausea and vomiting reactions. Hypotension will be more dangerous if the body's fluid needs are not met at the time of surgery. Hypotension is one of the triggers that can cause nausea and vomiting. Giving fluids to preoperative patients is generally done to prevent intraoperative hypotension. Methods:

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Pochi, Daniele, Roberto Fanigliulo, Carlo Bisaglia, et al. "Test Rig and Method for Comparative Evaluation of Conventional and Bio-Based Hydraulic Fluids and Lubricants for Agricultural Transmissions." Sustainability 12, no. 20 (2020): 8564. http://dx.doi.org/10.3390/su12208564.

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The use of lubricants and hydraulic fluids of both mineral and synthetic origin in agricultural processes could have a deep impact on the environment as a result of their possible dispersion in the ground and aquifers. Replacing them with bio-based fluids, developed to provide good tribological properties and high biodegradability, could contribute to reducing their negative effects. The evaluation of the capacity of such innovative fluids to replace the conventional ones is based on work cycles lasting as long as their lifetime, during which their characteristics must prove to be at least equ

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Kang, Kyunghun, Pan-Woo Ko, Myungwon Jin, Kyoungho Suk, and Ho-Won Lee. "Idiopathic normal-pressure hydrocephalus, cerebrospinal fluid biomarkers, and the cerebrospinal fluid tap test." Journal of Clinical Neuroscience 21, no. 8 (2014): 1398–403. http://dx.doi.org/10.1016/j.jocn.2013.11.039.

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Kamilah, Dendy Siti, and Iwan Permana Suwarna. "PENGEMBANGAN THREE-TIER TEST DIGITAL UNTUK MENGIDENTIFIKASI MISKONSEPSI PADA KONSEP FLUIDA STATIS." EDUSAINS 8, no. 2 (2019): 212–20. http://dx.doi.org/10.15408/es.v8i2.5192.

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Abstract This study aims to develop and produce a three-tier test digital instrument to identify misconceptions in the concept of fluid statics. This research is categorized as research development. Stages of development used is stages according to Van den Akker, consisting of (1) preliminary study, (2) prototyping stage, (3) summative evaluation, and (4) systematic reflection and documentation. The study was conducted at four high schools in South Jakarta. This development research produce 17 items of three-tier test instrument digital on Google Form in concept of fluid statics, misconception

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Nabil, Ahmad Jazuly, Ariska Widya, Nastasya Nunki, and Gilang Nugraha. "PEMANFANTAN CAIRAN INFUS SEBAGAI PENGGANTI REAGEN ALTERNATIF HAYEM DALAM PEMERIKSAAN HITUNG JUMLAH ERITROSIT." Journal of Indonesian Medical Laboratory and Science (JoIMedLabS) 1, no. 1 (2020): 23–31. http://dx.doi.org/10.53699/joimedlabs.v1i1.3.

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Anemiasufferers in Indonesia are increasing. Anemia diagnosisconfirmed by examining red blood cell (RBC) which requires Hayem as reagent. Problemof running out reagents still widely found that distrupts health services.0.9% infusion fluid is physiological solution and readily available. Therefore, this study aims to ultilize 0.9% intravenous fluids as alternative to Hayem in RBC examination by analyzing differences in results of alternative reagents to Hayem reagent. This type of research is experimental, using normality test, t-test, and linear regression.Carried out in the hematology laborat

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Levin, Garrett M., Jennifer J. Bonczynski, Lori L. Ludwig, Linda J. Barton, and Andrew S. Loar. "Lactate as a Diagnostic Test for Septic Peritoneal Effusions in Dogs and Cats." Journal of the American Animal Hospital Association 40, no. 5 (2004): 364–71. http://dx.doi.org/10.5326/0400364.

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Lactate concentration in peritoneal fluid was evaluated and compared to blood lactate concentration in dogs and cats with septic and nonseptic abdominal effusions. All dogs with septic effusions had a peritoneal fluid lactate concentration &gt;2.5 mmol/L and a peritoneal fluid lactate concentration higher than blood lactate, resulting in a negative blood to fluid lactate difference. In dogs, the diagnostic accuracy of the peritoneal fluid lactate concentration and the blood to fluid lactate difference in differentiating septic peritoneal effusion was 95% and 90%, respectively. Peritoneal f

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