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501
Adjustment of condensing temperature of the vapor-compression heat pump based on a reciprocating long-stroke compressor stage at fixed temperatures of receiving coolant
Published 2023-06-01“…The presented results of the theoretical analysis reflect the nature of the dependence of the heating capacity and the conversion factor of the heat pump on the ratio of the mass flow rates of the receiving coolant and the working fluid of the heat pump, the polytropic index of the compression process, and superheating of the suction steam.…”
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502
Turbo-Expander Units on Low Boiling Working Fluids
Published 2021-02-01“…The article examines the possibility of increasing the efficiency of the turbo-expander cycles on low-boiling working fluids using those methods that are used for steam turbines, viz. increasing the parameters of the working fluid before the turbo-expander and using secondary overheating. …”
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503
Analysis of the Effect of Severe Accident Scenario on Debris Properties in Lower Plenum of Nordic BWR Using Different Versions of MELCOR Code
Published 2019-01-01“…Core melt is released into a deep pool of water where formation of noncoolable debris bed and ex-vessel steam explosion can pose credible threats to containment integrity. …”
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504
AKTIVITAS ANTIBAKTERI DAN KOMPONEN KIMIA MINYAK ATSIRI TEMU KUNCI (Boesenbergia rotunda L. Mansf) TERHADAP BAKTERI PENYEBAB JERAWAT
Published 2024-11-01“…The essential oil was isolated by steam and water distillation. The organoleptic, yield, and refractive index were observed. …”
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505
THE EFFECT OF PREPARATION CONDITIONS OF RAPIDLY SOLIDIFIED IRON BASED GRANULES ON PROPERTIES OF COMPOSITE MATERIAL FORMED BY CASTING TECHNOLOGY
Published 2017-03-01“…Composite materials obtained by the casting technology have been successfully applied for the normalization of the thermomechanical state of the steam turbines. These composites consist of the matrix based on copper alloys reinforced with cast iron granules. …”
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506
Curing Effects on High-Strength Concrete Properties
Published 2019-01-01“…Some specimens underwent steam curing in a dry oven at 30°C and 50°C after casting until the day of testing. …”
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507
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508
Invasive Treatment of Lower Limb Varicose Veins - Comparison of Treatment Methods
Published 2025-01-01“…Among all treatment options, minimally invasive procedures using laser technology, steam, or radiofrequency waves are the most common. …”
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509
A Study of the Creep-Fatigue Damage Mechanism of a P92 Welded Joint Using Nanoindentation Characterization
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510
Three-Dimensional Physical Simulation of Heavy Oil Exploitation by Hot Solvent Injection
Published 2022-01-01“…To improve the thermal effects of solvents on heavy oil reservoirs and realize the combined action of multiple flooding mechanisms, such as solvent heating and extraction, without steam mixing, based on the M Block heavy oil reservoir in Canada, three sets of comparative hot solvent-assisted gravity drainage experiments under different temperatures and pressures were carried out through an indoor three-dimensional (3D) physical simulation device. …”
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511
International Standard Problems and Small Break Loss-of-Coolant Accident (SBLOCA)
Published 2008-01-01“…The experiments in four integral test facilities, LOBI, SPES, BETHSY, ROSA IV/LSTF and the recorded data during a steam generator tube rupture transient in the DOEL-2 PWR (Belgium) were the basis of the five small break LOCA related ISP exercises, which deal with the phenomenon typical of small break LOCAs in Western design PWRs. …”
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512
Optimization Of Shell And Tube Cycle Recuperator Design In Organic Rankine Geothermal Power Plant
Published 2023-12-01“…Geothermal sources that have low steam quality can be used to generate electricity with the Organic Rankin Cycle (SRO). …”
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513
The R&D of HTR-STAC Program Package: Source Term Analysis Codes for Pebble-Bed High-Temperature Gas-Cooled Reactor
Published 2018-01-01“…The code ARCC composed of several source term analysis programs in the different typical accidents scenario, including SGTR (Steam Generator Tube Rupture), LOCA (Loss of Coolant Accident), and the Transient Process, is compiled based on the results given by LOOP and NORMAL. …”
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514
Will Artificial Intelligence (AI) Make the School Principal Redundant? A Preliminary Discussion and Future Prospects
Published 2024-06-01“…Developments in the world of Artificial Intelligence (AI) is full steam ahead in the wake of the fourth industrial revolution. …”
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515
Evaluation of energy saving and emission reduction technologies in petrochemical industry based on CRITIC-cloud modeling
Published 2025-02-01“…Benchmark technologies include variable frequency drive energy-saving technology, steam system operation optimization and energy-saving technology, and large-scale high-parameter plate-shell heat exchange technology. …”
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516
Effect of Storage and Processing Methods on the Aroma of Edible Flowers: A Review (Chinese and English versions)
Published 2025-01-01“…More alcohols, aldehydes, and ketones are generated by hot water brewing and water-steam distillation. To maintain the original volatile profile, novel extraction technologies such as large-scale headspace collection and condensation processing have been developed and used in recent years. …”
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517
EFFECT SIGNIFICANCE ASSESSMENT OF THE THERMODYNAMICAL FACTORS ON THE SOLID OXIDE FUEL CELL OPERATION
Published 2015-12-01“…High electrical efficiency of the fuel cells allows predictting their further spread as part of hybrid installations jointly with gas and steam turbines which specifically enables achieving the electrical efficiency greater than 70 %. …”
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518
THERMAL EFFECTIVENESS OF THE GAS FLOW VORTICAL HEATRELEASE INTENSIFICATION AT AXIAL AND TRANSVERSAL FLOWING-AROUND THE ROUND-TUBULAR SURFACES Part 2
Published 2015-09-01“…With Re number growing to 14000 the energy effect tangibly declines to 6 %.The thermal effectiveness of the vortex intensification with spherical lunules on the tube inside surface and the air moving inside does not exceed 13 % in the interval Re = (1−2) ⋅ 104 , which is distinctive for air the preheaters of steam-boilers. However, a greater energy effect (up to 33 %) for the axial flowing is attained from emerging saliences on the tube inside surface beneath the spherical lacunae on the outside. …”
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519
ECONOMIC EFFICIENCY CALCULATION PROCEDURE FOR THE AUTOMATIC WATER-LEVEL REGULATING INVARIANT SYSTEM IN THE BOILER SHELL
Published 2015-12-01“…Though, they possess the following shortages: occurrence of the steadystate errors at the end of the transient process during the control response to internal disturbances and those by over-heated steam; large level deviations at sharp and significant load changes, which often leads to the boiler or the power block deloading or stoppage. …”
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520
Planning the Production Power of Thermal, Wind and Solar Units Using the Sine Cosine Algorithm
Published 2024-04-01“…In this article, the problem of optimal load dispatch considering transmission network losses, considerations and practical limitations of thermal power plants such as increasing and decreasing ramp rates, prohibited production areas, steam valve effect with the combination of renewable resources including wind farms and solar units has been raised.Renewable energy sources have reduced environmental pollution due to the non-use of fossil fuels, but these sources have uncertainty and random nature in production. …”
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