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Artykuły w czasopismach na temat „Two levels of mixing”

Autor: Grafiati

Data publikacji: 5 października 2024

Data aktualizacji: 31 lipca 2025

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1

Ball, Frank, Denis Mollison, and Gianpaolo Scalia-Tomba. "Epidemics with two levels of mixing." Annals of Applied Probability 7, no. 1 (1997): 46–89. http://dx.doi.org/10.1214/aoap/1034625252.

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Ball, Frank, and Peter Neal. "Network epidemic models with two levels of mixing." Mathematical Biosciences 212, no. 1 (2008): 69–87. http://dx.doi.org/10.1016/j.mbs.2008.01.001.

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Neal, Peter, and Frank Ball. "Poisson approximations for epidemics with two levels of mixing." Annals of Probability 32, no. 1B (2004): 1168–200. http://dx.doi.org/10.1214/aop/1079021475.

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DEMIRIS, NIKOLAOS, and PHILIP D. O'NEILL. "Bayesian inference for epidemics with two levels of mixing." Scandinavian Journal of Statistics 32, no. 2 (2005): 265–80. http://dx.doi.org/10.1111/j.1467-9469.2005.00420.x.

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Izquierdo, Segismundo S., Luis R. Izquierdo, and Dunia López-Pintado. "Mixing and diffusion in a two-type population." Royal Society Open Science 5, no. 2 (2018): 172102. http://dx.doi.org/10.1098/rsos.172102.

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The outbreak of epidemics, the rise of religious radicalization or the motivational influence of fellow students in classrooms are some of the issues that can be described as diffusion processes in heterogeneous groups. Understanding the role that interaction patterns between groups (e.g. homophily or segregation) play in the diffusion of certain traits or behaviours is a major challenge for contemporary societies. Here, we study the impact on diffusion processes of mixing (or, alternatively, segregating) two groups that present different sensitivities or propensities to contagion. We find non

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Knock, E. S., and P. D. O'Neill. "Bayesian model choice for epidemic models with two levels of mixing." Biostatistics 15, no. 1 (2013): 46–59. http://dx.doi.org/10.1093/biostatistics/kxt023.

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Neogi, MG, JC Biswas, MM Khan, and MM Rashid. "Wheat–Lentil Mixed Cropping System Productivity Under Varied Irrigation Levels." Annals of Bangladesh Agriculture 25, no. 1 (2022): 1–10. http://dx.doi.org/10.3329/aba.v25i1.58150.

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The study on mixed cropping of lentil and wheat was conducted under three levels of irrigation. Wheat at 10, 15, 20, 25, 30, 35, 40, 45 and 50% of the normal seed rates were mixed with full seed rate of lentil to find out a suitable mixing rate of wheat for maximum total yield from unit land. The study was conducted in a split plot design with three replications. Lentil yields obtained with single and two irrigations were identical and higher than with no irrigation. The highest wheat yield was obtained with two irrigations. Total yield was the highest with application of two irrigations. Mixi

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Ball, Frank, and Peter Neal. "A general model for stochastic SIR epidemics with two levels of mixing." Mathematical Biosciences 180, no. 1-2 (2002): 73–102. http://dx.doi.org/10.1016/s0025-5564(02)00125-6.

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THOMAS, L. P., B. M. MARINO, R. TOVAR, and P. F. LINDEN. "Buoyancy-driven flow between two rooms coupled by two openings at different levels." Journal of Fluid Mechanics 594 (December 14, 2007): 425–43. http://dx.doi.org/10.1017/s0022112007009123.

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The stack-driven flow between two interconnected rooms produced by a single heat source is studied. In particular, the features of the transient flow for different positions and areas of two openings in the shared vertical wall are analysed. An analytical model provides the time evolution of the stratified flows in rooms of any size. The concept of an equivalent layer representing a non-uniform density profile, which is useful in other contexts, is included in the theoretical approach and provides physical insight and aids the mathematical solution of the problem. New salt-bath experiments are

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10

Maksuwel, Maksuwel, and Yuyun Yulia. "The Use of Code Mixing In Pak Ndul's Video YouTube Channel." TAMANSISWA INTERNATIONAL JOURNAL IN EDUCATION AND SCIENCE 2, no. 2 (2021): 1–4. http://dx.doi.org/10.30738/tijes.v2i2.8969.

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This research was to find out (1) types of code-mixing and (2) dominant code-mixing level on Pak Ndulâ€™s YouTube video channel. Findings of this research were divided into two parts â€“ types and levels of code-mixing. The types consist of outer and inner utterances revealing 40 and 38 of 51% and 49 % respectively. Regarding levels, the highest percentage of the code-mixing level categories is word level by 54 %, whereas baster and idiom level categories share the lowest percentage on 2.40 %.Â Â Keywords: Code-mixing, Qualitative approach, Percentage

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Hui, Qian, and Li Peiyue. "Mixing Corrosion of CaCO3in Natural Waters." E-Journal of Chemistry 8, no. 3 (2011): 1124–31. http://dx.doi.org/10.1155/2011/891053.

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The methods of aqueous speciation calculation, pH calculation and the solubility (precipitability) calculation of CaCO3were used to study the mixing corrosion of CaCO3in natural waters. Mixing processes were done between two unsaturated (with CaCO3) solutions, two oversaturated solutions and between an unsaturated solution and an oversaturated solution, respectively. Results show that the mixing corrosion can be divided into two different levels: mixing corrosion in strict sense and mixing corrosion in broad sense. When mixing corrosion occurs, the HCO3-concentration in one end member solution

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12

Cao, H. Z., J. R. Hardy, R. W. Douglass, P. T. Dawkins, and S. R. Dunbar. "Fractal character of two-dimensional fluid mixing at both continuum and atomic levels." Physical Review A 45, no. 6 (1992): 3841–44. http://dx.doi.org/10.1103/physreva.45.3841.

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Sendi Wahyuni, Wulan Wangi, and Wageyono. "A Descriptive Study of Code-Mixing in “My Stupid Boss Part 1” Movie." LUNAR 5, no. 1 (2021): 217–24. http://dx.doi.org/10.36526/ln.v5i1.1468.

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Nowadays, code-mixing phenomenon is commonly used in communication. In this case, people sometimes mix the language into another language in order to get understand and succesful of communication. The objectives of the study are to find out the types and the levels of code-mixing used in “My Stupid Boss part 1” movie. In this study, the researcher focuses on Indonesian, English, and Javanese utterance. This research method used a descriptive qualitative method. It described the results of research that was objectively analyzed by collecting data. The data source was script movie. The researche

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Khan, M., Billie-Louise Schlich, Michael Jenkin, et al. "A Two-Decade Anthropogenic and Biogenic Isoprene Emissions Study in a London Urban Background and a London Urban Traffic Site." Atmosphere 9, no. 10 (2018): 387. http://dx.doi.org/10.3390/atmos9100387.

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A relationship between isoprene and 1,3-butadiene mixing ratios was established to separate the anthropogenic and biogenic fractions of the measured isoprene in London air in both urban background (Eltham) and urban traffic (Marylebone Road) areas over two decades (1997–2017). The average daytime biogenic isoprene mixing ratios over this period reached 0.09 ± 0.04 ppb (Marylebone Road) and 0.11 ± 0.06 ppb (Eltham) between the period of 6:00 to 20:00 local standard time, contributing 40 and 75% of the total daytime isoprene mixing ratios. The average summertime biogenic isoprene mixing ratios f

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15

Natasyah, Jeni, and Jufrizal Jufrizal. "An Analysis of Code Mixing as Found in Livy Renata's YouTube Channel." English Language and Literature 13, no. 1 (2024): 44. http://dx.doi.org/10.24036/ell.v13i1.127560.

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This study focused on the code mixing in YouTube channel used by Livy Renata which analyzed the types and levels. This research applied descriptive qualitative method, which describes the data that researcher collected form of words, phrases, sentences that contain other language mixtures. The data were code mixing utterances in the form of word, phrase, and sentence uttered by Livy Renata in her YouTube Channel. The results of the research on the type of code mixing used Hoffman's theory (1991) found 345 data collected, there were three types of code mixing in Hoffman's theory. They were intr

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Knoll, Anna Lena, and Kai Siedenburg. "The Optimal Mix? Presentation Order Affects Preference Ratings of Vocal Amplitude Levels in Popular Music." Music & Science 5 (January 2022): 205920432211427. http://dx.doi.org/10.1177/20592043221142712.

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Mixing popular music is a complex task requiring the consideration of artistic goals, as well as preferences of both the mixing engineer and potential listeners. Vocals are of particular importance in the mixing process. Here, we tested whether listeners possess stable preferences for the mixing level of vocals, whether these preferences are subject to order effects, and the extent to which individual differences between listeners play a role. In Experiments 1 and 2 participants rated which of two mixes in a pair of song excerpts (unchanged reference versus comparison mix with adjusted vocal l

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17

Hajer Z. Refaat and Saad N. Abood. "IBM-2 configuration mixing in Mo nuclei." World Journal of Advanced Engineering Technology and Sciences 5, no. 2 (2022): 114–22. http://dx.doi.org/10.30574/wjaets.2022.5.2.0046.

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The even-even Mo isotopes are studied using an extension of the neutron-proton interacting boson model that accounts for the breaking of shell or sub-shell closures via two-particle-two-hole excitations. The energy levels and electromagnetic transitions are explored. The results back up the idea that these isotopes are interacting between two configurations.

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18

Klink, Saskia, Philipp Giesemann, and Gerhard Gebauer. "Picky carnivorous plants? Investigating preferences for preys’ trophic levels – a stable isotope natural abundance approach with two terrestrial and two aquatic Lentibulariaceae tested in Central Europe." Annals of Botany 123, no. 7 (2019): 1167–77. http://dx.doi.org/10.1093/aob/mcz022.

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Abstract Background and Aims Stable isotope two-source linear mixing models are frequently used to calculate the nutrient-uptake efficiency of carnivorous plants from pooled prey. This study aimed to separate prey into three trophic levels as pooled prey limits statements about the contribution of a specific trophic level to the nutrition of carnivorous plants. Phytoplankton were used as an autotrophic reference for aquatic plants as the lack of suitable reference plants impedes calculation of their efficiency. Methods Terrestrial (Pinguicula) and aquatic (Utricularia) carnivorous plants along

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19

von Brentano, Peter. "On the mixing of two bound and unbound levels: Energy repulsion and width attraction." Physics Reports 264, no. 1-5 (1996): 57–66. http://dx.doi.org/10.1016/0370-1573(95)00027-5.

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Elmannai, H., M. A. Loghmari, and M. S. Naceur. "TWO LEVELS FUSION DECISION FOR MULTISPECTRAL IMAGE PATTERN RECOGNITION." ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences II-2/W2 (October 19, 2015): 69–74. http://dx.doi.org/10.5194/isprsannals-ii-2-w2-69-2015.

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Major goal of multispectral data analysis is land cover classification and related applications. The dimension drawback leads to a small ratio of the remote sensing training data compared to the number of features. Therefore robust methods should be associated to overcome the dimensionality curse. The presented work proposed a pattern recognition approach. Source separation, feature extraction and decisional fusion are the main stages to establish an automatic pattern recognizer. <br><br> The first stage is pre-processing and is based on non linear source separation. The mixing pro

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21

Gallimore, S. J., and N. A. Cumpsty. "Spanwise Mixing in Multistage Axial Flow Compressors: Part I—Experimental Investigation." Journal of Turbomachinery 108, no. 1 (1986): 2–9. http://dx.doi.org/10.1115/1.3262019.

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Spanwise mixing has been shown to be an essential feature of multistage compressor aerodynamics. The cause of spanwise mixing in multistage axial flow compressors has been investigated directly by using an ethylene tracer gas technique in two low-speed, four-stage machines. The results show that the dominant mechanism is that of turbulent type diffusion and not the radial convection of flow properties as has been previously suggested. The mixing was also found to be substantially uniform in magnitude all the way across the span with levels similar to those found in two-dimensional turbulent wa

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Jara, Oscar, Peter J. Minogue, Viviana M. Berthoud, and Eric C. Beyer. "Levels and Modifications of Both Lens Fiber Cell Connexins Are Affected in Connexin Mutant Mice." Cells 11, no. 18 (2022): 2786. http://dx.doi.org/10.3390/cells11182786.

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In the lens, cell home ostasis and transparency are supported by intercellular communication facilitated by the channels formed of connexin46 (Cx46) and connexin50 (Cx50). Mutations of these connexins are linked to inherited cataracts. We studied the levels and the variations in electrophoretic mobilities of the immunoreactive Cx46 and Cx50 bands between 1 and 21 days after birth in the lenses of wild-type mice and homozygous animals from two different mouse models of connexin-linked cataracts (Cx46fs380 and Cx50D47A). In Cx50D47A mice, the expression of the mutant Cx50 reduced the normal phos

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23

Abdulloh, Abdulloh, Wahyu Ilahi, Ikhwan Muslim, Sarsono Sarsono, and Slamet Basuki. "Code Mixing Used by Youtuber - Nessie Judge’s Entitled “Pekerjaan-Pekerjaan yang Sudah Punah karena Teknologi”." JELL (Journal of English Language and Literature) STIBA-IEC Jakarta 9, no. 02 (2024): 299–314. http://dx.doi.org/10.37110/jell.v9i02.240.

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The blending of two or more languages or linguistic subtypes in speech is known as code mixing. Code mixing widely used either in written or spoken language. Social media nowadays mostly use spoken form especially YouTube. The purposes of the research are to investigate the use of code mixing in Nessie Judge’s videos and try to describe the type of code mixing used by the youtuber. Descriptive qualitative method used to gain the data analysis. The code mixing then, analyzed into two types: intra sentential and intra lexical code mixing. Type of intra sentential then classified into three kinds

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Plesniak, Michael W., Rabindra D. Mehta, and James P. Johnston. "Curved two-stream turbulent mixing layers: three-dimensional structure and streamwise evolution." Journal of Fluid Mechanics 270 (July 10, 1994): 1–50. http://dx.doi.org/10.1017/s0022112094004180.

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The three-dimensional structure and streamwise evolution of two-stream mixing layers at high Reynolds numbers (Reδ ∼ 2.7 × 104) were studied experimentally to determine the effects of mild streamwise curvature ($\delta/ \overline{R}$ < 3%). Mixing layers with velocity ratios of 0.6 and both laminar and turbulent initial boundary layers, were subjected to stabilizing and destabilizing longitudinal curvature (in the Taylor–Görtler sense). The mixing layer is affected by the angular momentum instability when the low-speed stream is on the outside of the curve, and it is stabilized when the str

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Livescu, D. "Numerical simulations of two-fluid turbulent mixing at large density ratios and applications to the Rayleigh–Taylor instability." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 371, no. 2003 (2013): 20120185. http://dx.doi.org/10.1098/rsta.2012.0185.

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A tentative review is presented of various approaches for numerical simulations of two-fluid gaseous mixtures at high density ratios, as they have been applied to the Rayleigh–Taylor instability (RTI). Systems exhibiting such RTI behaviour extend from atomistic sizes to scales where the continuum approximation becomes valid. Each level of description can fit into a hierarchy of theoretical models and the governing equations appropriate for each model, with their assumptions, are presented. In particular, because the compressible to incompressible limit of the Navier–Stokes equations is not uni

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Wisler, D. C., R. C. Bauer, and T. H. Okiishi. "Secondary Flow, Turbulent Diffusion, and Mixing in Axial-Flow Compressors." Journal of Turbomachinery 109, no. 4 (1987): 455–69. http://dx.doi.org/10.1115/1.3262127.

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The relative importance of convection by secondary flows and diffusion by turbulence as mechanisms responsible for mixing in multistage, axial-flow compressors has been investigated by using the ethylene tracer-gas technique and hot-wire anemometry. The tests were conducted at two loading levels in a large, low-speed, four-stage compressor. The experimental results show that considerable cross-passage and spanwise fluid motion can occur and that both secondary flow and turbulent diffusion can play important roles in the mixing process, depending upon location in the compressor and loading leve

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Chauhan, Richa, Fabio J. Mazzotti, Ranjini Raghunandan, Marek Tulej, Peter P. Radi, and John P. Maier. "Rotationally Resolved Ground State Vibrational Levels of HC2S Studied by Two-Color Resonant Four-Wave Mixing†." Journal of Physical Chemistry A 114, no. 9 (2010): 3329–33. http://dx.doi.org/10.1021/jp909738n.

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Aravindh Kumar, SM, and Ethirajan Rathakrishnan. "Elliptic jet control with triangular tab." Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering 231, no. 8 (2016): 1460–77. http://dx.doi.org/10.1177/0954410016652921.

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Elliptic jet mixing influenced by triangular tabs is demonstrated in this work. Mixing modification of a Mach 2 jet from a convergent-divergent elliptic nozzle of aspect ratio 2, in the presence of two triangular tabs along the major and minor axis at the nozzle exit, at different levels of nozzle expansion has been studied. The results show that the mixing caused by tabs along the minor axis is impressive compared to the uncontrolled jet at all the pressure ratios. But for tabs along the major axis, mixing enhancement is significant only for nozzle pressure ratios above 5. Tabs along the mino

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Maruthupandiyan, K., and E. Rathakrishnan. "Supersonic jet control with shifted tabs." Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering 232, no. 3 (2016): 433–47. http://dx.doi.org/10.1177/0954410016679197.

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Mixing characteristics of a Mach 2 jet controlled by shifted tabs have been studied at different levels of expansion at the nozzle exit. Two identical rectangular flat tabs of aspect ratios (length/width) 3, 4, 5 and 6, offering 2.5% blockage each, located diametrically opposite, found that the mixing promotion caused by the shifted tab increases with increase of adverse pressure gradient (that is, below NPR 5). On the contrary, the mixing enhancement caused by tab placed at the nozzle exit decreases with increase of adverse pressure gradient. At higher NPRs from 5 to 8 for shifted tab configu

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Ghaffar, Abdul, Abdul Samad, Muhammad Asif Raza, et al. "Effects of Dietary Levels of Vitamin E on Broiler Breeder Performance." BioScientific Review 6, no. 3 (2024): 97–105. http://dx.doi.org/10.32350/bsr.63.06.

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Background. Broiler breeders can directly affect the production of broiler stock, so their performance is critical. Dietary supplements also play a crucial role in improving their performance. The current study aimed to investigate the impact of vitamin E supplements on broiler breeder performance, including egg production, hatching egg fertility, hatchability, and antibody titer against Newcastle disease and avian influenza. Method. A total of 1500 breeder hens were divided into five groups A, B, C, D, and E. Each group had five (05) replicates. The control group A received no treatment. Grou

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Baskara, Ida Bagus Bas, Lutfi Suhendra, and Luh Putu Wrasiati. "Pengaruh Suhu Pencampuran dan Lama Pengadukan terhadap Karakteristik Sediaan Krim." JURNAL REKAYASA DAN MANAJEMEN AGROINDUSTRI 8, no. 2 (2020): 200. http://dx.doi.org/10.24843/jrma.2020.v08.i02.p05.

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This research aims to determine the effect of temperature and time of stirring on a basis cream and determine the temperature and time of stir which is the best treatment for producing basis cream. This research uses a randomized block design with two factorials. The first factor is temperature which is consists of 3 levels, temperature 60±20C, 70±20C and 80±20C. The second factor is the time of stirring which is consists of 3 levels 10, 15 and 20 minutes. From the combination of the two factors, were obtained of 9 experimental units. These treatments were grouped based on the time of implemen

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Elsalahy, Heba, Sonoko Bellingrath-Kimura, Timo Kautz, and Thomas Döring. "Effects of mixing two legume species at seedling stage under different environmental conditions." PeerJ 9 (February 2, 2021): e10615. http://dx.doi.org/10.7717/peerj.10615.

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While intercropping is known to have positive effects on crop productivity, it is unclear whether the effects of mixing species start at the early plant stage, that is, during germination. We tested whether the germination of two legume species, alsike clover and black medic, characterized by a contrasting response to water availability and temperature is affected by mixing. We set up four experiments in each of which we compared a 1:1 mixture against the two monocultures, and combined this with various other experimental factors. These additional factors were (i) varied seed densities (50%, 1

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Stanford, McKenna W., Hugh Morrison, and Adam Varble. "Impacts of Stochastic Mixing in Idealized Convection-Permitting Simulations of Squall Lines." Monthly Weather Review 148, no. 12 (2020): 4971–94. http://dx.doi.org/10.1175/mwr-d-20-0135.1.

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AbstractThis study investigates impacts of altering subgrid-scale mixing in “convection-permitting” kilometer-scale horizontal-grid-spacing (Δh) simulations by applying either constant or stochastic multiplicative factors to the horizontal mixing coefficients within the Weather Research and Forecasting Model. In quasi-idealized 1-km Δh simulations of two observationally based squall-line cases, constant enhanced mixing produces larger updraft cores that are more dilute at upper levels, weakens the cold pool, rear-inflow jet, and front-to-rear flow of the squall line, and degrades the model’s e

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Kumar, Awadhesh, Chih-Chang Hsiao, Wen-Ching Hung та Yuan-Pern Lee. "Highly predissociative levels of CH B 2Σ− state detected with two-color resonant four-wave mixing spectroscopy". Journal of Chemical Physics 109, № 10 (1998): 3824–30. http://dx.doi.org/10.1063/1.476982.

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Liu, Ching-Ping, Scott A. Reid, and Yuan-Pern Lee. "Two-color resonant four-wave mixing spectroscopy of highly predissociated levels in the ÃA12 state of CH3S." Journal of Chemical Physics 122, no. 12 (2005): 124313. http://dx.doi.org/10.1063/1.1867333.

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Nikitopoulos, D. E., and J. T. C. Liu. "Nonlinear binary-mode interactions in a developing mixing layer." Journal of Fluid Mechanics 179 (June 1987): 345–70. http://dx.doi.org/10.1017/s0022112087001563.

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In this paper we present the formulation and results of two-wave interactions in a spatially developing shear layer, directed at understanding and interpreting the physical mechanisms that underlie the results of quantitative observation. Our study confirms the existence of Kelly's mechanism that augments the growth of a subharmonic disturbance by extracting energy from its fundamental or vice versa. This mechanism is shown to be strongest in the region where the fundamental begins to return energy to the mean flow and the two wave modes are of comparable energy levels. It is found that the in

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Li, Yuzhi, L. Wang, and Lee Johnston. "Effects of social rank on welfare and performance of gestating sows housed in two group sizes." Journal of Swine Health and Production 25, no. 6 (2017): 290–98. http://dx.doi.org/10.54846/jshap/987.

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Objectives: To compare welfare and performance among low-, middle-, and high-ranking sows in two group sizes of gestation pens. Materials and methods: Pregnant sows (n = 152) were allocated to four pens of 26 sows (large-group pen) and eight pens of six sows (small-group pen) with floor feeding. Social rank was based on outcomes of aggression during mixing. Skin lesions were assessed for all sows and salivary cortisol concentrations were measured for 32 focal sows. Performance during gestation and lactation was recorded for all sows. Results: Across the two group sizes, low-ranking sows fought

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Wolfe, Jace, and Erin C. Schafer. "Optimizing The Benefit of Sound Processors Coupled to Personal FM Systems." Journal of the American Academy of Audiology 19, no. 08 (2008): 585–94. http://dx.doi.org/10.3766/jaaa.19.8.2.

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Background: Use of personal frequency modulated (FM) systems significantly improves speech recognition in noise for users of cochlear implants (CI). There are, however, a number of adjustable parameters of the cochlear implant and FM receiver that may affect performance and benefit, and there is limited evidence to guide audiologists in optimizing these parameters. Purpose: This study examined the effect of two sound processor audio-mixing ratios (30/70 and 50/50) on speech recognition and functional benefit for adults with CIs using the Advanced Bionics Auria® sound processors. Research Desig

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Jabbar Younis, Taghreed Abdull. "MULTIPLE MIXING RATIOS OF GAMMA RAY TRANSITIONS FROM (_60^(142- 150))Nd (n,n^ˊ γ) (_60^(142- 150))Nd REACTION USING a_2- RATIO METHOD". International Journal of Research -GRANTHAALAYAH 7, № 8 (2019): 197–207. http://dx.doi.org/10.29121/granthaalayah.v7.i8.2019.657.

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In the current work, the mixing ratios ( ) of gamma transitions were calculated from energy levels in the isotopes neodymium populated in the using the ratio method. We used the experimental coefficient ( ) for two γ-transitions from the initial state itself, the statistical tensor , associated with factor , would be the same for the two transitions. The results obtained are in good agreement or within the experimental error with -those previously published. And existing contradictions resulting from inaccuracies in the empirical results of previous work. The current results confirm that the m

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Zhang, Jianwei, and Yulong Chen. "Experimental Study on Mitigations of Seismic Settlement and Tilting of Structures by Adopting Improved Soil Slab and Soil Mixing Walls." Sustainability 10, no. 11 (2018): 4069. http://dx.doi.org/10.3390/su10114069.

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Settlement of surface structures due to subsoil liquefaction is a big issue in geotechnical engineering. It has been happening during earthquakes in liquefaction-prone areas for many years. Mitigations have been proposed for this problem. The improved soil slabs and vertical mixing soil walls combined with lowering ground water levels (GWLs) were proposed in this study. Experiments were carried out by adopting a 1-g shaking table test. Two different soil densities with uniform and eccentric loads were included. Combined with lowering GWLs, three different soil slabs with a length of 40, 60 and

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Makraduli, Liljana, Petre Makreski, Filip Makraduli, et al. "Design of Experiments (DoE)-based approach for improvement of dry mixing processes in the production of low-dose Alprazolam tablets using Raman spectroscopy for content uniformity monitoring." Arhiv za farmaciju 73, no. 1 (2023): 35–61. http://dx.doi.org/10.5937/arhfarm73-41376.

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A low-dose tablet formulation, containing a potent Benzodiazepine derivative Alprazolam was developed, considering the achievement of appropriate content uniformity of the active substance in powder blends and tablets as a major challenge. Two different types of lactose monohydrate (Tablettose 80 and Granulac 200) and two different types of dry mixing processes (high-shear mixing and "in bulk" mixing) were employed. To evaluate the influence of the variables (mixing speed, mixing time, filling level of the high-shear and cube mixer, lactose monohydrate type) and their interactions upon the res

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Zhu, Yuchao, and Rong-Hua Zhang. "A Modified Vertical Mixing Parameterization for Its Improved Ocean and Coupled Simulations in the Tropical Pacific." Journal of Physical Oceanography 49, no. 1 (2019): 21–37. http://dx.doi.org/10.1175/jpo-d-18-0100.1.

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AbstractClimate models suffer from significant biases over the tropical Pacific Ocean, including a too-cold cold tongue and too-warm temperature at the depth of the thermocline. The emergence of model biases can be partly attributed to vertical mixing parameterizations, in which there are great uncertainties in selections of functional forms and empirical parameters. In this paper, the impacts of two different vertical mixing schemes on the tropical Pacific temperature simulations are investigated using version 5 of the Modular Ocean Model (MOM5). One vertical mixing scheme is the widely used

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Greenhalgh, David. "Bounds on Endemic Disease Levels, Risks and Basic Reproductive Numbers in Heterogenous Models for HIV/AIDS Amongst Injecting Drug Users." Journal of Biological Systems 05, no. 02 (1997): 151–80. http://dx.doi.org/10.1142/s0218339097000126.

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In this paper we examine the effect of heterogenous mixing on the spread of HIV and AIDS amongst a population of injecting drug users. We consider heterogeneity in addicts' shooting gallery visiting rates, their syringe cleaning probabilities and their choice of shooting gallery. We discuss two models. In the first the size of the populations of the different groups of drug users are assumed to be constant whereas the second models recruitment of new drug users into the population and their attrition due to HIV and AIDS. We show that homogenous visiting and cleaning and completely random choic

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Simoes, Jefferson E., Eduardo Ferreira, Daniel S. Menasch´e, and Carlos A. V. Campos. "Blockchain Privacy Through Merge Avoidance and Mixing Services." ACM SIGMETRICS Performance Evaluation Review 48, no. 4 (2021): 8–11. http://dx.doi.org/10.1145/3466826.3466831.

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Cryptocurrencies typically aim at preserving the privacy of their users. Different cryptocurrencies preserve privacy at various levels, some of them requiring users to rely on strategies to raise the privacy level to their needs. Among those strategies, we focus on two of them: merge avoidance and mixing services. Such strategies may be adopted on top of virtually any blockchain-based cryptocurrency. In this paper, we show that whereas optimal merge avoidance leads to an NP-hard optimization problem, incentive-compatible mixing services are subject to a certain class of impossibility results.

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Asman, W. A. H., M. G. Lawrence, C. A. M. Brenninkmeijer, P. J. Crutzen, J. W. M. Cuijpers, and P. Nédélec. "Rarity of upper-tropospheric low O<sub>3</sub> mixing ratio events during MOZAIC flights." Atmospheric Chemistry and Physics 3, no. 5 (2003): 1541–49. http://dx.doi.org/10.5194/acp-3-1541-2003.

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Abstract. Only a few previous observations of very low O3 mixing ratios in the upper troposphere are available. The aim of this study was to examine the rich MOZAIC data set for more. Flights with at least 25 4 s averaged mixing ratios less than 8 ppbv at pressures lower than 500 hPa measured using commercial aircraft within the MOZAIC project have been analysed. There are eleven flights that fulfil these conditions (excluding artefacts as discussed below), representing about 0.001% of all measurements during the analysed period August 1994-December 1997. The low O3 events occurred over Southe

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Jin, Wei-Guo, Hiroaki Ono, and Tatsuya Minowa. "Isotope Shifts in High Lying Levels of Dy I and Er I by High-Resolution UV Laser Spectroscopy." International Journal of Spectroscopy 2011 (November 29, 2011): 1–5. http://dx.doi.org/10.1155/2011/578374.

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High-resolution atomic-beam ultraviolet (UV) laser spectroscopy in Dy I and Er I has been performed. Isotope shifts have been measured for two transitions in Dy I and one transition in Er I. Specific mass shifts and field shifts have been derived for the studied transitions, and large differences between the two – transitions in Dy I have been found. From the derived specific mass shifts and field shifts, configuration mixing at the upper levels of transitions has been discussed.

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Chitimada, Narendra Kumar, and Kalyan P. Sinhamahapatra. "Numerical Study on Mixing Characteristics of Circular and Non Circular Jets." Defence Science Journal 74, no. 2 (2024): 206–15. http://dx.doi.org/10.14429/dsj.74.19626.

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The study of non-circular jet flows has become important due to their various applications such as aircraft exhaust, combustion chambers and injectors. The goal of present paper is to examine the impact of elliptical, square, and triangular shaped orifices on the mixing characteristics of a free jet with Mach number 0.8. Numerical simulations using an SST K-ω two-equation turbulence model were conducted with a Reynolds number of 3.46×105 for all cases. The mean velocity, decay rate, half-velocity width, spread rate, and turbulence intensity of the jet were analysed. The results showed that the

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Manshoor, Bukhari, M. Z. Mat Loddin, Amir Khalid, and Izzuddin Zaman. "Effect of Porosity on Circle Grid Perforated Plate Performance as a Static Mixer in Laminar Flow." Applied Mechanics and Materials 786 (August 2015): 188–92. http://dx.doi.org/10.4028/www.scientific.net/amm.786.188.

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Mixing is one of the important processes to the many industries. Fluid mixing process typically involves three phases of fluid in the form of liquids, gases and solids. To obtain a desired type of mixing, one of the devices that can be use is a static mixer. In this study, a perforated plate static mixer with circle grid fractal design with two grades of porosity which are 50% and 75% will introduce. The purpose of implementing the two grades porosity of perforated plate in this study is to determine a performance of the two static mixers. In order to achieve the objective, the simulations of

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Catena, Alexandra M., Jie Zhang, Roisin Commane, et al. "Hydrogen Sulfide Emission Properties from Two Large Landfills in New York State." Atmosphere 13, no. 8 (2022): 1251. http://dx.doi.org/10.3390/atmos13081251.

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Landfills are a source of malodors, greenhouse gases, harmful pollutants, pests, noise, and litter. To reduce their impact on neighboring communities, landfill facilities and the policies they follow must reduce emissions of trace gases such as hydrogen sulfide (H2S) and methane (CH4). However, a comprehensive understanding of the spatial variability of both pollutants at landfills should first be established to obtain a clear picture of emissions at landfills. This study measured the mixing ratios of H2S and CH4 at two landfills in New York State (Fresh Kills Landfill and Seneca Meadows Landf

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Guedri, Abdessalam, Fatma Abdallah, Nourhen Mefteh, et al. "Addition of Phosphogypsum to Fire-Resistant Plaster Panels: A Physic–Mechanical Investigation." Inorganics 11, no. 1 (2023): 35. http://dx.doi.org/10.3390/inorganics11010035.

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Gypsum (GPS) has great potential for structural fire protection and is increasingly used in construction due to its high-water retention and purity. However, many researchers aim to improve its physical and mechanical properties by adding other organic or inorganic materials such as fibers, recycled GPS, and waste residues. This study used a novel method to add non-natural GPS from factory waste (phosphogypsum (PG)) as a secondary material for GPS. This paper proposes to mix these two materials to properly study the effect of PG on the physico-mechanical properties and fire performance of two

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