Results 11 to 20 of about 36,099 (169)

Characterization of Urban New Particle Formation in Amman—Jordan

open access: yesAtmosphere, 2020
We characterized new particle formation (NPF) events in the urban background of Amman during August 2016−July 2017. The monthly mean of submicron particle number concentration was 1.2 × 104−3.7 × 104 cm−3 (exhibited seasonal ...
Tareq Hussein   +6 more
doaj   +1 more source

Star formation rate in Holmberg IX dwarf galaxy [PDF]

open access: yesSerbian Astronomical Journal, 2011
In this paper we use previously determined Hα fluxes for dwarf galaxy Holmberg IX (Arbutina et al. 2009) to calculate star formation rate (SFR) in this galaxy.
Anđelić M.M.
doaj   +1 more source

Optimization of scale formation rate in heat exchangers using thermohydraulic theory [PDF]

open access: yesمجله مدل سازی در مهندسی, 2023
In this research, utilizing the concepts of thermohydraulic theory, optimization of cost due to the scale formation in heat exchangers. The objective function involves the minimization of the energy consumption and production losses.
Mohsen Abedi
doaj   +1 more source

Change Detection of Soil Formation Rate in Space and Time Based on Multi Source Data and Geospatial Analysis Techniques

open access: yesRemote Sensing, 2020
Spatialization of soil formation rate (SFR) is always a difficult problem in soil genesis. In this study, the dissolution rate in karst areas of China during the period 1983−2015 was estimated on the basis of geospatial analysis techniques and ...
Qin Li   +8 more
doaj   +1 more source

Spatially Resolved Effects of Protein Freeze-Thawing in a Small-Scale Model Using Monoclonal Antibodies

open access: yesPharmaceutics, 2020
Protein freeze-thawing is frequently used to stabilize and store recombinantly produced proteins after different unit operations in upstream and downstream processing.
Oliver Spadiut   +3 more
doaj   +1 more source

Emission Characteristics of Fine Particles in Relation to Precursor Gases in Agricultural Emission Sources: A Case Study of Dairy Barns

open access: yesAtmosphere, 2023
Recently, precursor gases such as ammonia have sparked a growing interest in the secondary formation of particulate matter (PM). Most studies focus on urban areas and scientific data.
Hung-Soo Joo   +3 more
doaj   +1 more source

Mengatasi Kerusakan Formasi Dengan Metoda Pengasaman Yang Kompetibel Pada Sumur Minyak Dilapangan X

open access: yesJournal of Earth Energy Engineering, 2013
Laju produksi suatu sumur minyak akan mengalami penurunan di akibatkan antara lain menurunnya tekanan reservoir (Pr), dan juga karena terjadi kerusakan formasi produktif.
Ali Musnal
doaj   +1 more source

Exploring the Phase Space of Multi-Principal-Element Alloys and Predicting the Formation of Bulk Metallic Glasses

open access: yesEntropy, 2020
Multi-principal-element alloys share a set of thermodynamic and structural parameters that, in their range of adopted values, correlate to the tendency of the alloys to assume a solid solution, whether as a crystalline or an amorphous phase.
Mirko Gabski   +2 more
doaj   +1 more source

Formation Rate and Energy Efficiency of Ice Plug in Pipelines Driven by the Cascade Utilization of Cold Energy

open access: yesEnergies
Ice plug technology is an effective method for isolating the pipeline system, which are promising methods utilized in the nuclear, chemical, and power industries.
Minglei Hu   +6 more
doaj   +1 more source

Modern exchange rate formation in a resource-oriented economy: the institutional dimension

open access: yesRUDN Journal of Economics, 2021
There is an increasing need for in-depth theoretical and applied studies of the essence, structure and features of the formation of the exchange rate, the development of the mechanism of currency regulation in the Russian Federation, determining the ...
Konstantin G. Bunevich   +1 more
doaj   +1 more source

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