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Journal articles on the topic 'Bundle separation'

Author: Grafiati

Published: 4 June 2021

Last updated: 11 February 2022

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1

Meyer, N., A. N. Hrymak, and L. Kärger. "Modeling Short-Range Interactions in Concentrated Newtonian Fiber Bundle Suspensions." International Polymer Processing 36, no. 3 (2021): 255–63. http://dx.doi.org/10.1515/ipp-2020-4051.

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Abstract Sheet Molding Compounds (SMC) offer a cost efficient way to enhance mechanical properties of a polymer with long discontinuous fibers, while maintaining formability to integrate functions, such as ribs, beads or other structural reinforcements. During SMC manufacturing, fibers remain often in a bundled configuration and the resulting fiber architecture determines part properties. Accurate prediction of this architecture by simulation of flow under consideration of the transient rheology and transient fiber orientations can speed up the development process. In particular, the interacti

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2

Sadikin, Azmahani, and Norasikin Mat Isa. "Flow Separation Prediction in a Single-Phase Flow in an Inline Tube Bundles." Applied Mechanics and Materials 465-466 (December 2013): 608–12. http://dx.doi.org/10.4028/www.scientific.net/amm.465-466.608.

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The vertical single-phase flow was studied on the shell side of a horizontal tube bundle. In the present study, CFX version 14.0 from ANSYS was used to predict the flow regimes in the two tube bundles; i.e. the 19 mm and 38 mm arranged in an in-line configuration with a pitch to diameter ratio of 1.32. The simulations were undertaken to inform on how the fluid flowed within the tube passages in different tube bundle diameter that gives different gaps between the tubes, where the fluid must pass. The results show that the maximum gaps between the tubes have no clear effect to the flow where the

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Tilney, Lewis G., Patricia S. Connelly, Kelly A. Vranich, Michael K. Shaw, and Gregory M. Guild. "Regulation of Actin Filament Cross-linking and Bundle Shape in Drosophila Bristles." Journal of Cell Biology 148, no. 1 (2000): 87–99. http://dx.doi.org/10.1083/jcb.148.1.87.

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Previous studies demonstrate that in developing Drosophila bristles, two cross-linking proteins are required sequentially to bundle the actin filaments that support elongating bristle cells. The forked protein initiates the process and facilitates subsequent cross-linking by fascin. Using cross-linker–specific antibodies, mutants, and drugs we show that fascin and actin are present in excessive amounts throughout bundle elongation. In contrast, the forked cross-linker is limited throughout bundle formation, and accordingly, regulates bundle size and shape. We also show that regulation of cross

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4

Lin, Chuan Ju. "Concurrent and Separate Grade-Bundles with a Common Grade Sample Linking Designs for Vertical Scaling." Advanced Materials Research 108-111 (May 2010): 1348–53. http://dx.doi.org/10.4028/www.scientific.net/amr.108-111.1348.

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Mathematics tests of multiple-choice items for grades 2 through 6 were vertically scaled with the three-parameter logistic model using two different linking procedures: concurrent and separate by grade bundles. This research implements two designs under the separate by grade bundles procedure: grade bundle of two grades and grade bundle of three grades. All the items were calibrated using the 3-parameter logistic model (3-PLM) in the computer program, Bilog-MG with Grade 4 as the reference group. Under the separate grade-bundles method, the mean/sigma of the ability (i.e., θ) transformation me

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Janson, Marcel E., Thanuja Gangi Setty, Anne Paoletti та P. T. Tran. "Efficient formation of bipolar microtubule bundles requires microtubule-bound γ-tubulin complexes". Journal of Cell Biology 169, № 2 (2005): 297–308. http://dx.doi.org/10.1083/jcb.200410119.

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The mechanism for forming linear microtubule (MT) arrays in cells such as neurons, polarized epithelial cells, and myotubes is not well understood. A simpler bipolar linear array is the fission yeast interphase MT bundle, which in its basic form contains two MTs that are bundled at their minus ends. Here, we characterize mto2p as a novel fission yeast protein required for MT nucleation from noncentrosomal γ-tubulin complexes (γ-TuCs). In interphase mto2Δ cells, MT nucleation was strongly inhibited, and MT bundling occurred infrequently and only when two MTs met by chance in the cytoplasm. In w

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Kiat, W. Y., K. Yamamoto, and S. Ohgaki. "Optimal Fiber Spacing in Externally Pressurized Hollow Fiber Module for Solid Liquid Separation." Water Science and Technology 26, no. 5-6 (1992): 1245–54. http://dx.doi.org/10.2166/wst.1992.0567.

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Flux decline and clogging mechanism in hollow fiber bundle by activated sludge and kaolin clay suspensions were investigated experimentally. Filtration characteristics of hollow fiber bundles consisting of 10 fiber threads but different in packing density were observed. The main reason for severe flux decline was due to the accumulation of particles at the space in between fibers. The results showed that there was no particle accumulation when fiber packing density β was lower than a critical value βa. Maximum filtration flux and maximum membrane productivity Q/Vr,which is defined as the filtr

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7

Li, Yao, Haiqing Si, Jingxuan Qiu, Yingying Shen, Peihong Zhang, and Hongyin Jia. "CFD-based structure optimization of plate bundle in plate-fin heat exchanger considering flow and heat transfer performance." International Journal of Chemical Reactor Engineering 19, no. 5 (2021): 499–513. http://dx.doi.org/10.1515/ijcre-2020-0219.

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Abstract The plate-fin heat exchanger has been widely applied in the field of air separation and aerospace due to its high specific surface area of heat transfer. However, the low heat transfer efficiency of its plate bundles has also attracted more attention. It is of great significance to optimize the structure of plate-fin heat exchanger to improve its heat transfer efficiency. The plate bundle was studied by combining numerical simulation with experiment. Firstly, according to the heat and mass transfer theory, the plate bundle calculation model of plate-fin heat exchanger was established,

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Gurjarpadhye, Abhijit, Kenneth W. Hewett, Charles Justus, et al. "Cardiac neural crest ablation inhibits compaction and electrical function of conduction system bundles." American Journal of Physiology-Heart and Circulatory Physiology 292, no. 3 (2007): H1291—H1300. http://dx.doi.org/10.1152/ajpheart.01017.2006.

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Retroviral and transgenic lineage-tracing studies have shown that neural crest cells associate with the developing bundles of the ventricular conduction system. Whereas this migration of cells does not provide progenitors for the myocardial cells of the conduction system, the question of whether neural crest affects the differentiation and/or function of cardiac specialized tissues continues to be of interest. Using optical mapping of voltage-sensitive dye, we determined that ventricles from chick embryos in which the cardiac neural crest had been laser ablated did not progress to apex-to-base

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9

Кулаков, В. В., Д. С. Шмелев, А. Н. Иванова та А. К. Голубков. "Особенности конструирования углерод-углеродных композитов фрикционного назначения, изготовленных аэродинамическим методом, на основе дискретных волокон". Механика композиционных материалов и конструкций 27, № 2 (2021): 261–71. http://dx.doi.org/10.33113/mkmk.ras.2021.27.02.261_271.07.

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The designing of carbon-carbon composites (СCС) for friction use is an important problem, since the existing approaches are applicable only to technologies for obtaining materials using continuous fiber in the form of tapes and fabrics and are not suitable for products with chaotic reinforcement by short fibers, the use of which improves the mechanical characteristics of ССС both under static and dynamic influences. Also, this technology has economic advantages due to the use of cheaper raw materials and a significant reduction in the time of the molding stage in the presence of comparable phy

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10

Deeb, Rawad. "Effect of angle of attack on heat transfer and hydrodynamic characteristics for staggered drop-shaped tubes bundle in cross-flow." Proceedings of the Russian higher school Academy of sciences, no. 3 (December 18, 2020): 21–36. http://dx.doi.org/10.17212/1727-2769-2020-3-21-36.

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Tube bundles can be used as a separation heat exchanger in the organic Rankine cycle power plants (ORC), while the hot gas passes over the outer surface, and the working substance ORC flows inside the tubes. A numerical study has been conducted to clarify heat transfer and hydrodynamics of a cross-flow heat exchanger with staggered drop-shaped tubes at different flow angles of attack in comparison with circular tubes of the same equivalent diameter. The study was performed for the Reynolds number Re= 1.8  103 ~ 9.4  103, the longitudinal and transverse spacing of the tubes in the bundle are

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11

Karabegov, Alexander. "Deformation quantization with separation of variables of an endomorphism bundle." Journal of Geometry and Physics 75 (January 2014): 55–70. http://dx.doi.org/10.1016/j.geomphys.2013.08.018.

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12

Sadikin, Azmahani, and Norasikin Mat Isa. "Numerical Study of Flow Separation and Pressure Drop for Flow Past Staggered Tube Bundles." Applied Mechanics and Materials 773-774 (July 2015): 363–67. http://dx.doi.org/10.4028/www.scientific.net/amm.773-774.363.

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The vertical single-phase flow was studied on the shell side of a horizontal tube bundle. In the present study, CFX version 14.0 from ANSYS was used to predict the flow regimes in the 19 mm diameter in staggered configuration with a pitch to diameter ratio of 1.32. The simulations were undertaken to inform on how the fluid flowed within the tube passages. The results show that the tube bundle arrangement in a heat exchanger does effect to the flow separation and re-attachment points. This is consistent with other published data.

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13

Kumar Rai, Mayank, Rajesh Khanna, and Sankar Sarkar. "Control of tube parameters on SWCNT bundle interconnect delay and power dissipation." Microelectronics International 31, no. 1 (2013): 24–31. http://dx.doi.org/10.1108/mi-03-2013-0016.

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Purpose – This paper aims to propose to study the control of tube parameters in terms of diameter, separation between adjacent tubes and length, on delay and power dissipation in single-walled carbon nanotube (SWCNT) bundle interconnect for VLSI circuits. Design/methodology/approach – The paper considers a distributed-RLC model of interconnect. A CMOS-inverter driving a distributed-RLC model of interconnect with load of 1 pF. A 0.1 GHz pulse of 2 ns rise time provides input to the CMOS-inverter. For SPICE simulation, predictive technology model (PTM) is used for the CMOS-driver. The performanc

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14

Egorov, Mikle, Alexander Ivanov, Ivan Kovalenko, Irina Krectunova, Nadezhda Litvinova, and Elena Popova. "Steam reheater with helical tube bundle for wet steam turbine." E3S Web of Conferences 178 (2020): 01069. http://dx.doi.org/10.1051/e3sconf/202017801069.

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Since steam heat exchangers, used at steam cycle of Russian nuclear power stations, were designed while the knowledge about the separation and the heat exchange processes was limited, deviations between its empirical and theoretical characteristics occur. This limitation also determined application of heating pipes with simple straight shape rather than curved. This study explores a steam heat exchanger with helical heating pipes. It was shown that the model may work stably within the range of parameters, simulating work conditions of the moisture separator and steam reheater at Leningrad nucl

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15

Húska, Juraj, and Peter Poláčik. "The Principal Floquet Bundle and Exponential Separation for Linear Parabolic Equations." Journal of Dynamics and Differential Equations 16, no. 2 (2004): 347–75. http://dx.doi.org/10.1007/s10884-004-2784-8.

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16

DA ROCHA, ROLDÃO, and WALDYR A. RODRIGUES. "THE DIRAC–HESTENES EQUATION FOR SPHERICAL SYMMETRIC POTENTIALS IN THE SPHERICAL AND CARTESIAN GAUGES." International Journal of Modern Physics A 21, no. 19n20 (2006): 4071–82. http://dx.doi.org/10.1142/s0217751x06033106.

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In this paper, using the apparatus of the Clifford bundle formalism, we show how straightforwardly solve in Minkowski space–time the Dirac–Hestenes equation — which is an appropriate representative in the Clifford bundle of differential forms of the usual Dirac equation — by separation of variables for the case of a potential having spherical symmetry in the Cartesian and spherical gauges. We show that, contrary to what is expected at a first sight, the solution of the Dirac–Hestenes equation in both gauges has exactly the same mathematical difficulty.

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17

Baird, R. A. "Comparative transduction mechanisms of hair cells in the bullfrog utriculus. II. Sensitivity and response dynamics to hair bundle displacement." Journal of Neurophysiology 71, no. 2 (1994): 685–705. http://dx.doi.org/10.1152/jn.1994.71.2.685.

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1. Hair cells in whole-mount in vitro preparations of the utricular macula of the bullfrog (Rana catesbeiana) were selected according to their macular location and hair bundle morphology. The sensitivity and response dynamics of selected hair cells to natural stimulation were examined by recording their voltage responses to step and sinusoidal hair bundle displacements applied to their longest stereocilia. 2. The voltage responses of 31 hair cells to sinusoidal hair bundle displacements were characterized by their gains and phases, taken with respect to peak hair bundle displacement. The gains

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18

Nakajima, Daiki, Tatsuya Kikuchi, Taiki Yoshioka, et al. "A Superhydrophilic Aluminum Surface with Fast Water Evaporation Based on Anodic Alumina Bundle Structures via Anodizing in Pyrophosphoric Acid." Materials 12, no. 21 (2019): 3497. http://dx.doi.org/10.3390/ma12213497.

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A superhydrophilic aluminum surface with fast water evaporation based on nanostructured aluminum oxide was fabricated via anodizing in pyrophosphoric acid. Anodizing aluminum in pyrophosphoric acid caused the successive formation of a barrier oxide film, a porous oxide film, pyramidal bundle structures with alumina nanofibers, and completely bent nanofibers. During the water contact angle measurements at 1 s after the water droplet was placed on the anodized surface, the contact angle rapidly decreased to less than 10°, and superhydrophilic behavior with the lowest contact angle measuring 2.0°

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19

Liu, Zhong Bin, Juan Tang, Huan Wang, and Jin Mao. "Numerical Simulation and Experimental Study on Oil-Water Separation of Fiber Bundle Filter." Advanced Materials Research 834-836 (October 2013): 1699–704. http://dx.doi.org/10.4028/www.scientific.net/amr.834-836.1699.

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In order to research the filtration effects of fiber bundle filter with three kinds of different entrance position, the oil-water separation model of two-phase flow is established. Keep other parameters constant and perform an analysis in detail on the outlet concentration of oil content. Describe the influence that filtration rate brings, which varies among 20m/h, 40m/h and 60m/h. Then an experiment has been done to verify the result. It is shown that, the entrance position located on the top of filter can obtain better filtration effect than the other two. In view of the consideration for fi

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20

Titus, Amber R., Ellyse N. Ridgway, Rebecca Douglas, Elena Sánchez Brenes, Elizabeth K. Mann, and Edgar E. Kooijman. "The C-Terminus of Perilipin 3 Shows Distinct Lipid Binding at Phospholipid-Oil-Aqueous Interfaces." Membranes 11, no. 4 (2021): 265. http://dx.doi.org/10.3390/membranes11040265.

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Lipid droplets (LDs) are ubiquitously expressed organelles; the only intracellular organelles that contain a lipid monolayer rather than a bilayer. Proteins localize and bind to this monolayer as they do to intracellular lipid bilayers. The mechanism by which cytosolic LD binding proteins recognize, and bind, to this lipid interface remains poorly understood. Amphipathic α-helix bundles form a common motif that is shared between cytosolic LD binding proteins (e.g., perilipins 2, 3, and 5) and apolipoproteins, such as apoE and apoLp-III, found on lipoprotein particles. Here, we use pendant drop

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21

Karaus, Alexander, Sabine Hofer, and Jens Frahm. "Separation of Fiber Tracts within the Human Cingulum Bundle using Single-Shot STEAM DTI." Open Medical Imaging Journal 3, no. 1 (2009): 21–27. http://dx.doi.org/10.2174/1874347100903010021.

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22

Zilman, A. G., and S. A. Safran. "Role of cross-links in bundle formation, phase separation and gelation of long filaments." Europhysics Letters (EPL) 63, no. 1 (2003): 139–45. http://dx.doi.org/10.1209/epl/i2003-00489-5.

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Zilman, A. G., and S. A. Safran. "Role of cross-links in bundle formation, phase separation and gelation of long filaments." Europhysics Letters (EPL) 71, no. 3 (2005): 515–16. http://dx.doi.org/10.1209/epl/i2005-10140-1.

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24

Reddy, D. Sudheer, T. Krishna Sumanth, P. V. Radhadevi, J. Saibaba, and Geeta Varadan. "Algorithms for Automatic Separation and Indexing of Image Footprints in Satellite Bundle Block Adjustment." Journal of the Indian Society of Remote Sensing 43, no. 3 (2015): 459–65. http://dx.doi.org/10.1007/s12524-014-0388-2.

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25

Starosta, Guido, and Alejandro Fitzsimons. "Rethinking the Determination of the Value of Labor Power." Review of Radical Political Economics 50, no. 1 (2017): 99–115. http://dx.doi.org/10.1177/0486613416670968.

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This article critically examines the received wisdom on the value of labor power that posits the workers’ material reproduction and the class struggle as two independent factors that determine the bundle of wage-goods consumed by the working class. It shows that this reading has no solid textual basis on Marx’s writings. Furthermore, it argues that it rests on a problematic separation of the actual immanent unity between materiality and social form in the capitalist mode of production.

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Hicks, R. Andrew, Sarah G. Rody, and J. Douglas Wright. "Bundle separation, obstructions to perfect imaging, and other qualitative aspects of simultaneous multiple surface design." Optical Engineering 53, no. 3 (2013): 031309. http://dx.doi.org/10.1117/1.oe.53.3.031309.

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27

Hashim, Entesar SH, and Rajaa N. Al-Yassein. "Effect of Sublethal Concentrations of Cadmium on the Histo-pathological Changes of Muscles of Planiliza abu Juveniles (Heckel, 1843)." Basrah J. Agric. Sci. 33, no. 2 (2020): 207–17. http://dx.doi.org/10.37077/25200860.2020.33.2.18.

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Water heavy metals contamination is an international issue due to its detrimental impact on the environment, aquatic organisms and impairment of the ecological balance systems. Cadmium is a heavy metal that is extremely toxic, even in low doses, thus it is a big concern to the ecosystem. Cd can cause several Patho-morphological changes in various organs in fish. This study was evaluated the effect of sublethal concentrations of Cd toxicity and effects on Histopathological of muscle tissues of Planiliza abu Juvenile. Series of Cd concentrations (0.5- 2) ppm were used and the 15d LC50 was 0.4 pp

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Avetisyan, Zhirayr G. "A unified mode decomposition method for physical fields in homogeneous cosmology." Reviews in Mathematical Physics 26, no. 03 (2014): 1430001. http://dx.doi.org/10.1142/s0129055x14300015.

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The methods of mode decomposition and Fourier analysis of classical and quantum fields on curved spacetimes previously available mainly for the scalar field on Friedman–Robertson–Walker (FRW) spacetimes are extended to arbitrary vector bundle fields on general spatially homogeneous spacetimes. This is done by developing a rigorous unified framework which incorporates mode decomposition, harmonic analysis and Fourier analysis. The limits of applicability and uniqueness of mode decomposition by separation of the time variable in the field equation are found. It is shown how mode decomposition ca

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Garrett, Matthew P., Ilia N. Ivanov, Rosario A. Gerhardt, Alex A. Puretzky, and David B. Geohegan. "Separation of junction and bundle resistance in single wall carbon nanotube percolation networks by impedance spectroscopy." Applied Physics Letters 97, no. 16 (2010): 163105. http://dx.doi.org/10.1063/1.3490650.

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Campo, A., and G. Li. "Optimum separation of asymmetrically heated sub-channels forming a bundle: influence of simultaneous flow and temperature." Heat and Mass Transfer 32, no. 1-2 (1996): 127–32. http://dx.doi.org/10.1007/s002310050101.

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BARRAL, JULIEN, and MOUNIR MENSI. "Gibbs measures on self-affine Sierpiński carpets and their singularity spectrum." Ergodic Theory and Dynamical Systems 27, no. 5 (2007): 1419–43. http://dx.doi.org/10.1017/s0143385706001027.

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AbstractWe consider a class of Gibbs measures on self-affine Sierpiński carpets and perform the multifractal analysis of its elements. These deterministic measures are Gibbs measures associated with bundle random dynamical systems defined on probability spaces whose geometrical structure plays a central role. A special subclass of these measures is the class of multinomial measures on Sierpiński carpets. Our result improves the already known result concerning the multifractal nature of the elements of this subclass by considerably weakening and in some cases even eliminating a strong separatio

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Sage, Rowan F. "Are crassulacean acid metabolism and C4 photosynthesis incompatible?" Functional Plant Biology 29, no. 6 (2002): 775. http://dx.doi.org/10.1071/pp01217.

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This paper originates from a presentation at the IIIrd International Congress on Crassulacean Acid Metabolism, Cape Tribulation, Queensland, Australia, August 2001. Despite sharing a similar metabolism, crassulacean acid metabolism (CAM) and C4 photosynthesis are not known to occur in identical species, with the exception of Portulaca spp. In Portulaca, C4 and weak CAM photosynthesis occur in distinct regions of the leaf, rather than in the same cells. This is in marked contrast to the situation in most CAM species where C3 and CAM photosynthesis are active in the same cell over the course of

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Ma, Chunyan, Yanbiao Liu, Fang Li, et al. "CFD simulations of fiber-fiber interaction in a hollow fiber membrane bundle: Fiber distance and position matters." Separation and Purification Technology 209 (January 2019): 707–13. http://dx.doi.org/10.1016/j.seppur.2018.09.029.

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Denton, Alisandra K., Janina Maß, Canan Külahoglu, Martin J. Lercher, Andrea Bräutigam, and Andreas P. M. Weber. "Freeze-quenched maize mesophyll and bundle sheath separation uncovers bias in previous tissue-specific RNA-Seq data." Journal of Experimental Botany 68, no. 2 (2017): 147–60. http://dx.doi.org/10.1093/jxb/erw463.

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Whitehead, C. M., and J. B. Rattner. "Expanding the role of HsEg5 within the mitotic and post-mitotic phases of the cell cycle." Journal of Cell Science 111, no. 17 (1998): 2551–61. http://dx.doi.org/10.1242/jcs.111.17.2551.

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The BimC family of kinesin like proteins are involved in spindle dynamics in a wide variety of organisms. The human member of this family, HsEg5, has been implicated in centrosome separation during prophase/prometaphase and in the organization of in vitro mitotic asters. HsEg5 displays a complex distribution during mitosis, associating with the centrosomes, spindle microtubules, specific regions of the intracellular bridge and a microtubule bundle that forms in association with the post-mitotic migration of the centrosome. In an effort to determine the function of HsEg5 during late mitotic eve

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Denton, Alisandra K., Janina Maß, Canan Külahoglu, Martin J. Lercher, Andrea Bräutigam, and Andreas P. M. Weber. "Corrigendum: Freeze-quenched maize mesophyll and bundle sheath separation uncovers bias in previous tissue-specific RNA-Seq data." Journal of Experimental Botany 69, no. 15 (2018): 3789. http://dx.doi.org/10.1093/jxb/ery196.

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Kay, Kelly. "Breaking the bundle of rights: Conservation easements and the legal geographies of individuating nature." Environment and Planning A: Economy and Space 48, no. 3 (2015): 504–22. http://dx.doi.org/10.1177/0308518x15609318.

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This paper bridges critical legal geography and geographical work on neoliberal natures to illustrate the vital role that US law has played in reimagining the values of nature as divisible from their supporting contexts and the spatial outcomes of this “individuation.” The development and widespread use of conservation easements by nonprofit land trust groups serves as a precedent-setting case study. I review the two major pieces of enabling legislation: the Uniform Conservation Easement Act, and the addition of Section 170(h) to the federal tax code, to argue that these legal changes mark a p

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Gerhardt, Claus. "The Quantization of Gravity: Quantization of the Hamilton Equations." Universe 7, no. 4 (2021): 91. http://dx.doi.org/10.3390/universe7040091.

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We quantize the Hamilton equations instead of the Hamilton condition. The resulting equation has the simple form −Δu=0 in a fiber bundle, where the Laplacian is the Laplacian of the Wheeler–DeWitt metric provided n≠4. Using then separation of variables, the solutions u can be expressed as products of temporal and spatial eigenfunctions, where the spatial eigenfunctions are eigenfunctions of the Laplacian in the symmetric space SL(n,R)/SO(n). Since one can define a Schwartz space and tempered distributions in SL(n,R)/SO(n) as well as a Fourier transform, Fourier quantization can be applied such

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Nakoryakov, Vladimir, Oleg Vitovsky, and Andrey Seryapin. "Helium production technology based on natural gas combustion and beneficial use of thermal energy." Thermal Science 20, suppl. 1 (2016): 19–22. http://dx.doi.org/10.2298/tsci151214227n.

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Helium is widely used in all industries, including power plant engineering. In recent years, helium is used in plants operating by the Brayton cycle, for example, in the nuclear industry. Using helium-xenon mixture in nuclear reactors has a number of advantages, and this area is rapidly developing. The hydrodynamics and mass transfer processes in single tubes with various cross-sections as well as in inter-channel space of heating tube bundle were studied at the Institute of Thermophysics, Siberian Branch of the Russian Academy of Sciences. Currently, there is a strongest shortage in helium pr

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Biria, David, Ali Zarrabi, and Arezoo Khosravi. "The application of corrugated parallel bundle model to immobilized cells in porous microcapsule membranes." Journal of Membrane Science 311, no. 1-2 (2008): 159–64. http://dx.doi.org/10.1016/j.memsci.2007.12.022.

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Juruś, Dariusz. "Contemporary Liberal Concepts of Property." Civitas. Studia z filozofii polityki 25 (December 30, 2019): 87–111. http://dx.doi.org/10.35757/civ.2019.25.05.

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The author presents the assumptions which form the bedrock of modern liberal property theories. It refers to the conceptions of John Christman, James O. Grunebaum, Lawrence Becker, Stephen R. Munzer and Jeremy Waldron. All these philosophers have devoted separate monographs to the problems of ownership and their works seem representative of the entire liberal current in contemporary political philosophy. This paper does not provide a detailed analysis of the authors’ views on property, but focuses on the elements that these theories share. These are: (1) the bundle theory of property rights; (

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Fry, Brendan C., Aurélie Edwards, Ioannis Sgouralis, and Anita T. Layton. "Impact of renal medullary three-dimensional architecture on oxygen transport." American Journal of Physiology-Renal Physiology 307, no. 3 (2014): F263—F272. http://dx.doi.org/10.1152/ajprenal.00149.2014.

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We have developed a highly detailed mathematical model of solute transport in the renal medulla of the rat kidney to study the impact of the structured organization of nephrons and vessels revealed in anatomic studies. The model represents the arrangement of tubules around a vascular bundle in the outer medulla and around a collecting duct cluster in the upper inner medulla. Model simulations yield marked gradients in intrabundle and interbundle interstitial fluid oxygen tension (Po2), NaCl concentration, and osmolality in the outer medulla, owing to the vigorous active reabsorption of NaCl by

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SHEN, ZIYONG, SAIJIN LIU, SHIMIN HOU, ZENGQUAN XUE, and ZHENNAN GU. "MANIPULATION OF CARBON NANOTUBE BUNDLES WITH CONTACT MODE ATOMIC FORCE MICROSCOPY." International Journal of Nanoscience 01, no. 05n06 (2002): 575–79. http://dx.doi.org/10.1142/s0219581x02000693.

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The cutting and splitting of carbon nanotube bundles were realized with an atomic force microscopy (AFM) in contact mode. The results of manipulating were found depending on the tip–bundle interaction and bundle–substrate interaction. With an optimal force load of AFM tip, the lateral force applied on the nanotube bundle could overcome the adhesive interaction between nanotubes within the bundle, consequently separating individual nanotubes from the bundle. The threshold of the tip force load was found to be ~45 nN in our experiments. This technique provides new possibilities for the controlla

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Ding, R., K. L. McDonald, and J. R. McIntosh. "Three-dimensional reconstruction and analysis of mitotic spindles from the yeast, Schizosaccharomyces pombe." Journal of Cell Biology 120, no. 1 (1993): 141–51. http://dx.doi.org/10.1083/jcb.120.1.141.

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Mitotic spindles of Schizosaccharomyces pombe have been studied by EM, using serial cross sections to reconstruct 12 spindles from cells that were ultrarapidly frozen and fixed by freeze substitution. The resulting distributions of microtubules (MTs) have been analyzed by computer. Short spindles contain two kinds of MTs: continuous ones that run from pole to pole and MTs that originate at one pole and end in the body of the spindle. Among the latter there are three pairs of MT bundles that end on fibrous, darkly staining structures that we interpret as kinetochores. The number of MTs ending a

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Chen, Kaikai, Changfa Xiao, Hailiang Liu, Haoyang Ling, Zhiyong Chu, and Zhihui Hu. "Design of robust twisted fiber bundle-reinforced cellulose triacetate hollow fiber reverse osmosis membrane with thin separation layer for seawater desalination." Journal of Membrane Science 578 (May 2019): 1–9. http://dx.doi.org/10.1016/j.memsci.2019.01.038.

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Wheatley, Sally P., Christopher B. O’Connell, and Yu-li Wang. "Inhibition of Chromosomal Separation Provides Insights into Cleavage Furrow Stimulation in Cultured Epithelial Cells." Molecular Biology of the Cell 9, no. 8 (1998): 2173–84. http://dx.doi.org/10.1091/mbc.9.8.2173.

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While astral microtubules are believed to be primarily responsible for the stimulation of cytokinesis in Echinodermembryos, it has been suggested that a signal emanating from the chromosomal region and mediated by the interzonal microtubules stimulates cytokinesis in cultured mammalian cells. To test this hypothesis, we examined cytokinesis in normal rat kidney cells treated with an inhibitor of topoisomerase II, (+)-1,2-bis(3,5-dioxopiperaz-inyl-1-yl)propane, which prevents the separation of sister chromatids and the formation of a spindle interzone. The majority of treated cells showed vario

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Zhu, J., J. Hartman, R. Case, S. Rice, and R. Vale. "In Vitro Studies of Microtubule Structures Using the Mac Mode AFM." Microscopy and Microanalysis 5, S2 (1999): 1006–7. http://dx.doi.org/10.1017/s1431927600018353.

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Microtubules are long, hollow, stiff polymers that extend throughout the cytoplasm. They are involved in such diverse functions as governing the location of membrane-bounded organelles and chromosome separation during mitosis. The basic structural unit is tubulin, which is a heterodimer consisting of two closely related and tightly linked globular polypeptides called α and β-tubulin. Alternating α and β tubulin subunits form protofilaments, 13 of which bundle around a central core to form microtubule. The detailed structures of cytoplasmic microtubules have been studied extensively using vario

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Lukáš, D., and J. Chaloupek. "Wetting between parallel fibres; column-unduloid and column disintegration transitions." Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine 217, no. 4 (2003): 273–77. http://dx.doi.org/10.1243/095441103322060721.

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Wetting phenomena are studied for a fibre bundle consisting of three parallel cylinders of radius b. Two types of long liquid column (a disintegrated and a channel-filling column) and a state akin to the unduloid can form, depending on whether the cylinder-cylinder separation, 2 d, is larger or smaller than certain critical values. The dimensionless threshold values d/b have been calculated, when gravity can be neglected and the liquid-fibre contact angle is zero. The threshold value for the morphological transition between disintegrated columns and channel-filling columns occurs for ( d/b)tr1

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Jang, Hankyu, Philip M. Polgreen, Alberto M. Segre, and Sriram V. Pemmaraju. "COVID-19 modeling and non-pharmaceutical interventions in an outpatient dialysis unit." PLOS Computational Biology 17, no. 7 (2021): e1009177. http://dx.doi.org/10.1371/journal.pcbi.1009177.

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This paper describes a data-driven simulation study that explores the relative impact of several low-cost and practical non-pharmaceutical interventions on the spread of COVID-19 in an outpatient hospital dialysis unit. The interventions considered include: (i) voluntary self-isolation of healthcare personnel (HCPs) with symptoms; (ii) a program of active syndromic surveillance and compulsory isolation of HCPs; (iii) the use of masks or respirators by patients and HCPs; (iv) improved social distancing among HCPs; (v) increased physical separation of dialysis stations; and (vi) patient isolatio

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Matthies, H. J., H. B. McDonald, L. S. Goldstein, and W. E. Theurkauf. "Anastral meiotic spindle morphogenesis: role of the non-claret disjunctional kinesin-like protein." Journal of Cell Biology 134, no. 2 (1996): 455–64. http://dx.doi.org/10.1083/jcb.134.2.455.

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We have used time-lapse laser scanning confocal microscopy to directly examine microtubule reorganization during meiotic spindle assembly in living Drosophila oocytes. These studies indicate that the bipolarity of the meiosis I spindle is not the result of a duplication and separation of centrosomal microtubule organizing centers (MTOCs). Instead, microtubules first associate with a tight chromatin mass, and then bundle to form a bipolar spindle that lacks asters. Analysis of mutant oocytes indicates that the Non-Claret Disjunctional (NCD) kinesin-like protein is required for normal spindle as

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