بدائل البحث:
nn decrease » _ decrease (توسيع البحث)
a decrease » _ decrease (توسيع البحث), _ decreased (توسيع البحث), _ decreases (توسيع البحث)
a system » _ system (توسيع البحث)
nn decrease » _ decrease (توسيع البحث)
a decrease » _ decrease (توسيع البحث), _ decreased (توسيع البحث), _ decreases (توسيع البحث)
a system » _ system (توسيع البحث)
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261
Electrocoagulation treatment of reject brine effluent from Solvay process
منشور في 2019"…Three-experiment design levels and response surface methodologies were used to model the system. A second-order polynomial model was developed and used to predict the optimum conditions, which were found to be at a 0.2 A/cm2 current density, 36.8°C temperature, and initial Cl− concentration of 7.4 × 103mg/L. …"
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262
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263
Occurrence and removal characteristics of phthalate esters from bottled drinking water using silver modified roasted date pits
منشور في 2021"…Batch adsorption isotherms were used to study and establish the efficiency of such adsorbents in removing phthalate esters, in which they describe the adsorbent-adsorbate interaction systems. Adsorption efficiency of the various adsorbents was investigated by using different adsorbent masses (0.05�g, 0.10�g, and 0.15�g) and temperature (30��C, 50��C, and 60��C). …"
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264
Global age-sex-specific fertility, mortality, healthy life expectancy (HALE), and population estimates in 204 countries and territories, 1950–2019: a comprehensive demographic anal...
منشور في 2020"…HIV-free life tables were then estimated using estimates of under-5 and adult mortality rates using a relational model life table system created for GBD, which closely tracks observed age-specific mortality rates from complete vital registration when available. …"
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265
Global age-sex-specific fertility, mortality, healthy life expectancy (HALE), and population estimates in 204 countries and territories, 1950–2019: a comprehensive demographic anal...
منشور في 2020"…HIV-free life tables were then estimated using estimates of under-5 and adult mortality rates using a relational model life table system created for GBD, which closely tracks observed age-specific mortality rates from complete vital registration when available. …"
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266
Collision/reaction cell ICP-MS with shielded torch and sector field ICP-MS for the simultaneous determination of selenium isotopes in biological matrices
منشور في 2011"…The determinations of selenium isotopes in biological samples were performed using both inductively coupled plasma collision/reaction cell quadruple mass spectrometer (CRC-ICP-QMS) and inductively coupled plasma sector field mass spectrometers (SF-ICP-MS). To significantly decrease the argon-based interferences at m/z 74 (36Ar38Ar), 76 ( 38Ar38Ar, 40Ar36Ar), 78 ( 38Ar40Ar), and 80 (40Ar40Ar), the gas-flow rates of a helium and hydrogen mixture used in the collision cell were optimized to 1.0 mL/min H2 and 3.5 mL/min He. …"
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267
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268
Gelation of Emulsified Polyacrylamide/Polyethylenimine under High-Temperature, High-Salinity Conditions: Rheological Investigation
منشور في 2018"…A lower rate of cross-linking is achieved when emulsified PAM/PEI systems are compared with nonemulsified PAM/PEI systems. …"
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269
Novel Ternary Adder and Multiplier Designs without Using Decoders or Encoders
منشور في 2021"…Multiple-Valued Logic systems present significant improvements in terms of energy consumption over binary logic systems. …"
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270
Comprehensive thermoeconomic, exergoeconomic, and optimization analyses of direct oxy-combustion supercritical CO2 intercooled and reheated cycles under design and off-design condi...
منشور في 2022"…At off-design conditions with a power demand (PD) of 40% of the design load (50 MW), the thermal efficiency is decreased by 21.82% in DRC, 17.71% in ICC, 22.46% in PIC, and 13.60% in RHC. …"
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271
Preliminary Observations On The Relative Growth And Production Of Tilapia Species Cultured In Cages At Three Stocking Densities
منشور في 1987"…Survival rates at the three densities ranged between 97.5—100% indicating that Tilapia species are able to withstand a certain degree of crowding, which is an important characteristic in the intensive culture of the fish.…"
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272
Influence of Fines on the Compressibility of Surface Sands in Kuwait
منشور في 2020"…Moreover, with increasing fines, the compressibility increased as demonstrated by the larger values of Cc at all degrees of relative compaction except at 100% and that the coefficient of consolidation Cv decreased with increasing fines, which means that as the fines increase the time required to achieve a certain degree of consolidation will also increase.…"
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273
Towards An Effective Urban Growth Management Strategy In Qatar (1)
منشور في 2000"…This paper aim at reviews the current problems associated with the lack of an urban growth management strategy in the State of Qatar and outlines the process of creating a comprehensive system to effectively handle urban growth. …"
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274
Performance assessment of inductive power transfer for railway applications
منشور في 2015"…The practical implementation has been conducted at a rated voltage of 100V DC at 50kHz and input power of 80W. …"
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275
Mechanical and microstructure characterization of hard nanostructured N-bearing thin coating
منشور في 2015"…The main problem with steel, is that it exhibits a relatively low hardness (below 10GPa) which strongly decreases upon annealing above about 600K. …"
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276
The spectral and morphological studies of the conductive polyaniline thin film derivatives by the in situ copolymerization
منشور في 2017"…The blue shift in the band indicates that there is a decrease in the extent of conjugation system along the copolymer. …"
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277
High temperature thermal stability of innovative nanostructured thin coatings for advanced tooling
منشور في 2014"…The main problem with steel, isthat itexhibits a relatively low hardness (below 10 GPa) which strongly decreases upon annealing above about 600 K.Thus, the majority of modern tools are nowadays coated with hard coatings that increase the hardness, decrease the coefficient of friction and protect the tools against oxidation. …"
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278
Thermo-economic assessment of forward osmosis as pretreatment to boost the performance and sustainability of multi-effect distillation for seawater desalination
منشور في 2022"…This work presents the thermodynamic and techno-economic assessment of a forward osmosis – multi-effect distillation (FO-MED) system able to improve the thermal performance of the MED seawater desalination process and reduce its environmental impact. …"
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279
Effects of combined calcium hypochlorite and chlorine dioxide on drinking water quality in Qatar and disinfection by-products formation
منشور في 2017"…Seven water samples were collected from the Ras Laffan-Q Power desalination plant outlet in amber bottles having a chlorine dioxide concentration of 0.3 mg/L in 1 liter. …"
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280
Development of pH-Controlled Aluminum-Based Polymeric Gel for Conformance Control in Sour Gas Reservoirs
منشور في 2020"…PAM/AlAc system has a gelation time of around 50 min at 75 °C making it suitable for near-wellbore treatments, while the gelation time increased to 80 min upon increasing the pH of the system from 4.1 to 4.6. …"
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