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Artykuły w czasopismach na temat „Top-Bar effect”

Autor: Grafiati

Data publikacji: 2 listopada 2024

Data aktualizacji: 31 lipca 2025

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1

Skrodzka, Ewa B., Bogumił B. J. Linde, and Antoni Krupa. "Effect of Bass Bar Tension on Modal Parameters of a Violin's Top Plate." Archives of Acoustics 39, no. 1 (2015): 145–49. http://dx.doi.org/10.2478/aoa-2014-0015.

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Abstract Experimental modal analysis of a violin with three different tensions of a bass bar has been performed. The bass bar tension is the only intentionally introduced modification of the instrument. The aim of the study was to find differences and similarities between top plate modal parameters determined by a bass bar perfectly fitting the shape of the top plate, the bass bar with a tension usually applied by luthiers (normal), and the tension higher than the normal value. In the modal analysis four signature modes are taken into account. Bass bar tension does not change the sequence of m

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Jacob, D. E., Q. E. Equali, and I. U. Nelson. "The effect of types of hives on honey production in Akwa Ibom State, Nigeria." World Journal of Applied Science & Technology 16, no. 1 (2025): 84–89. https://doi.org/10.4314/wojast.v16i1.84.

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This study compared the effectiveness of three different types of beehives (Kenyan top-bar, Langsthroth frame, and perforated mud-pot hives on honey production in Akwa Ibom State, Nigeria. Parameters assessed in the study included the weight gained from bee occupation, honey yield, and monthly weight gain in the hives. The study was conducted over a period of six months, and the data collected were analyzed using one-way ANOVA and LSD was used to ascertain mean differentiation. The results obtained indicated that the Kenyan top-bar hive was the most effective hive in terms of weight gain (7.55

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Reza Esfahani, M., M. Lachemi, and M. Reza Kianoush. "Top-bar effect of steel bars in self-consolidating concrete (SCC)." Cement and Concrete Composites 30, no. 1 (2008): 52–60. http://dx.doi.org/10.1016/j.cemconcomp.2007.05.012.

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von Grünau, Michael, Zeina Saikali, and Jocelyn Faubert. "Processing Speed in the Motion-Induction Effect." Perception 24, no. 5 (1995): 477–90. http://dx.doi.org/10.1068/p240477.

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The motion-induction effect, where an illusory motion is perceived within a bar when it is shown next to a spot presented slightly earlier, was studied with respect to the idea that it is based on differential processing speeds between the two ends of the bar. First, by using just a bar with a luminance gradient, the existence of a motion illusion (gradient motion) within such a bar was demonstrated, presumably due to the different processing speeds of differential luminances. When such a bar was used in the motion-induction effect, it was shown to modulate, for short delays, the strength of t

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5

Wang, Yikuan, Abhijit Mukherjee, and Arnaud Castel. "Detection of Top-Bar Effect in Reinforced Concrete Using Guided Ultrasonic Waves." Journal of Structural Engineering 147, no. 4 (2021): 04021032. http://dx.doi.org/10.1061/(asce)st.1943-541x.0002950.

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Zhao, Fang Ran, Jia Lin Cao, and Ning Wang. "Analysis of Factors Influence on Void Underneath at Concrete Pavement Joints." Applied Mechanics and Materials 488-489 (January 2014): 483–86. http://dx.doi.org/10.4028/www.scientific.net/amm.488-489.483.

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Three-dimensional finite element analysis was made on the transverse joint stress state of the concrete pavement slab with void underneath using ANSYS. The transfer effect of dowel bar was discussed with aircraft loaded in the joints. The influence rule of load transfer effect under different dowel bar spacing and dowel bar cross section dimension was compared. Based on the results of finite element analysis, this paper had carried on the experimental study on stress-transferring effect on concrete pavement joints with different location of the dowel bar. The influencing factors of pavement sl

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Minato, Kenichi, Tomoichiro Okamoto, and Masasuke Takata. "Effect of Atmosphere on Zinc Oxide Crystal Growth by Electric Current Heating with Au Catalyst." Advanced Materials Research 11-12 (February 2006): 269–72. http://dx.doi.org/10.4028/www.scientific.net/amr.11-12.269.

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We developed a new zinc oxide (ZnO) crystal growth method using Au combined with electric current heating. Au paste was placed on a ZnO ceramic bar. When a certain current flowed through the bar, the paste melted on the bar. Then crystals grew on the molten Au surface immediately. The shape of the crystals depended on the atmosphere during the growth. The whiskers with spherical top and the crystals consisting of a hexangular pyramidal base and needle head were grown on Au in air and Ar atmosphere, respectively. From cathodoluminescence at room temperature, the weak ultraviolet (UV) emission a

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8

Kim, Nam Yong, Dae-Cheol Ko, Yangjin Kim, Sang Wook Han, Il Yeong Oh, and Young Hoon Moon. "Feasibility of Reduced Ingot Hot-Top Height for the Cost-Effective Forging of Heavy Steel Ingots." Materials 13, no. 13 (2020): 2916. http://dx.doi.org/10.3390/ma13132916.

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Feasibility studies have been performed on ingots with reduced hot-top heights for the cost-effective hot forging of heavy ingots. The quality of the heavy ingots is generally affected by internal voids, which have been known to be accompanied by inclusions and segregation. To guarantee the expected mechanical performance of the forged products, these voids should be closed and eliminated during the hot open die forging process. Hence, to effectively control the internal voids, the optimum hot-top height and forging schedules need to be determined. In order to improve the utilization ratio of

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9

Esfahani, M. Reza, M. Reza Kianoush, and M. Lachemi. "Bond strength of glass fibre reinforced polymer reinforcing bars in normal and self-consolidating concrete." Canadian Journal of Civil Engineering 32, no. 3 (2005): 553–60. http://dx.doi.org/10.1139/l05-005.

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This paper presents the results of an experimental study on bond strength of reinforcing bars made of glass fibre reinforced polymers (GFRP) embedded in normal and self-consolidating concrete. The study included pull-out tests of 36 GFRP reinforcing bars embedded in concrete specimens. Different parameters such as type of concrete, bar location, and cover thickness were considered as variables in different specimens. The results showed that the type of bond failure was by splitting of concrete for all specimens. The bond strength of bottom GFRP reinforcing bars was almost the same for both nor

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Reichardt, Elisabeth, Steffen Decker, Michel Dalstra, et al. "The Effect of Ligature Type on Lateral Tooth Movement during Orthodontic Treatment with Lingual Appliances—An In Vitro Study." Materials 15, no. 9 (2022): 3365. http://dx.doi.org/10.3390/ma15093365.

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(1) Background: One of the most challenging parts in lingual orthodontics is the control and correction of the tip of anterior teeth, due to the occlusal open vertical slot of the incisors in lingual systems. The presented experimental in-vitro study was performed to determine the maximal tipping moment of the anterior teeth between two types of lingual brackets, the Incognito™ Appliance System (Incognito, TOP-Service, Bad Essen, Germany) and Tip-Bar™ system (Incognito, TOP-Service, Bad Essen, Germany). Furthermore, twelve different ligation methods and two different ligature materials were in

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11

Liu, Xiaochao, Wentao Li, Yunqian Zhen, Luanluan Jia, Yongzhe Li, and Xianjun Pei. "Effect of Process Parameters on Weld Quality in Vortex- Friction Stir Welding of 6061-T6 Aluminum Alloy." Materials 16, no. 2 (2023): 873. http://dx.doi.org/10.3390/ma16020873.

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Vortex- friction stir welding (VFSW) utilizes a stir bar made of an identical material to the workpiece to rub the workpiece’s top surface, which avoids the keyhole defect in conventional friction stir welding. It presents great potential in the repair field of aluminum alloys. In this study, the effect of stir bar diameter, rotation speed, and welding speed on the weld formation was investigated in the VFSW of 6061-T6 aluminum alloy. The weld macrostructure, penetration, and mechanical properties were characterized. The results show that a large diameter of the stir bar can enhance the vortex

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Meister, Julian, Helge Fuchs, Claudia Beck, Ismail Albayrak, and Robert M. Boes. "Velocity Fields at Horizontal Bar Racks as Fish Guidance Structures." Water 12, no. 1 (2020): 280. http://dx.doi.org/10.3390/w12010280.

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Horizontal bar racks used as fish protection measures at hydropower plants have rapidly gained importance in recent years. Despite the large number of installed racks in Europe, systematic investigations of the hydraulic losses and velocity fields were missing. To fill these research gaps, the hydraulic performance of horizontal bar racks was systematically investigated in a laboratory flume for a large number of rack parameters and different hydropower plant layouts. The results of the head loss assessment are published in a paper entitled Head Losses of Horizontal Bar Racks as Fish Guidance

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13

Wolf, Christian, and Markus Lappe. "Top-down control of saccades requires inhibition of suddenly appearing stimuli." Attention, Perception, & Psychophysics 82, no. 8 (2020): 3863–77. http://dx.doi.org/10.3758/s13414-020-02101-3.

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Abstract Humans scan their visual environment using saccade eye movements. Where we look is influenced by bottom-up salience and top-down factors, like value. For reactive saccades in response to suddenly appearing stimuli, it has been shown that short-latency saccades are biased towards salience, and that top-down control increases with increasing latency. Here, we show, in a series of six experiments, that this transition towards top-down control is not determined by the time it takes to integrate value information into the saccade plan, but by the time it takes to inhibit suddenly appearing

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14

Şahin, İnanç. "Effect of top quark spin on the unparticle couplings in $\gamma\gamma \to t\bar{t}$." European Physical Journal C 60, no. 3 (2009): 431–39. http://dx.doi.org/10.1140/epjc/s10052-009-0896-3.

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Kabir, Md Radwanul, Joy Ganguly, Md Sunney-ul-Alam, and Sobahan Mia. "Numerical Investigation of Injection Pressure Effect on the Performance and Emission of a Diesel Engine Fueled with Butanol-Diesel Blends." Malaysian Journal on Composites Science and Manufacturing 16, no. 1 (2025): 1–18. https://doi.org/10.37934/mjcsm.16.1.118.

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Globally, fossil-based resources are becoming increasingly scarce as the demand for energy from power-producing systems rises. Diesel engines are a popular and efficient source of electricity, but different national and international organizations have imposed limits on diesel emissions. Reducing emissions and boosting performance are typical operations in diesel engines. ANSYS FORTE code was used to generate a thorough numerical configuration. Analyses were conducted on a single-cylinder, four-stroke, direct-injection diesel Cummins N-14 test engine setup running on a 40 percent butanol-diese

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Opatowicz, Dominika, Urszula Radoń, and Paweł Zabojszcza. "Assessment of the Effect of Wind Load on the Load Capacity of a Single-Layer Bar Dome." Buildings 10, no. 10 (2020): 179. http://dx.doi.org/10.3390/buildings10100179.

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The main purpose of the paper was the assessment of the effect of wind load on the load capacity of a single-layer bar dome. Additionally, which numerical method is appropriate for low-rise single-layer bar domes was checked. In order to explain the effect of the height-to-span ratio on the selection of the appropriate calculation model and method of analysis of the bar dome, an example of the known von Mises truss was proposed. Two cases of von Mises truss differing in the height-to-span ratio were considered. For the shallow structure, a significant change in the value of the stiffness matri

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Tyschenko, Ida E., K. S. Zhuravlev, A. G. Cherkov, Andrzej Misiuk та V. P. Popov. "Сavity Effect in Hydrogen Ion Implanted Silicon-On-Insulator Structures". Solid State Phenomena 108-109 (грудень 2005): 477–82. http://dx.doi.org/10.4028/www.scientific.net/ssp.108-109.477.

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Cavity effect on the room-temperature (RT) photoluminescence (PL) from emitting centers in the top silicon layer of silicon-on-insulator (SOI) structure has been studied. The lightemitting centers were produced by the implantation of H+ ions and subsequent annealing at the temperatures Ta = 450-1000 oC for 5 h in an Ar ambient under pressure P = 1 - 1.2×104 bar. It has been obtained that annealing under hydrostatic pressure higher than 6 kbar prevented the outdiffusion of hydrogen in the form of gas bubbles, which took place after annealing at Ta≥600 oC under atmospheric conditions. Absence of

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Liu, Shuqiang, Jinming Dai, Husheng Jia, Xuguang Liu, and Bingshe Xu. "Effect of sirospun spinning with a press bar top pin on qualities of flax/cotton blended yarn." Textile Research Journal 82, no. 10 (2011): 985–93. http://dx.doi.org/10.1177/0040517511427972.

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Zhang, Rui Jin. "Effect of Steel-Concrete Interface on Reinforcement Corrosion in Marine Environment." Advanced Materials Research 250-253 (May 2011): 1311–14. http://dx.doi.org/10.4028/www.scientific.net/amr.250-253.1311.

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This paper dealt with the influence of the steel-concrete interface quality and environmental conditions on reinforcement corrosion. High size concrete members were cast to get different interface quality decreased with the height of rebar due to the top-bar effect. Five groups of specimen with two concrete covers have subjected to different exposed programs. The experimental results showed that the concrete cover significantly influenced corrosion initiation and corrosion rate by blocking the penetration of aggressive agents. The height of rebar affected the corrosion initiation because of th

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20

Xie, Wen Ping, Dong Zhou Xia, and Wei Jun Yang. "Finite Element Analysis of Wind Vibration Control Effect for Single Transmission Tower." Applied Mechanics and Materials 670-671 (October 2014): 1116–20. http://dx.doi.org/10.4028/www.scientific.net/amm.670-671.1116.

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Three-dimensional finite element analysis model of transmission tower is established by using ANSYS software. According to the characteristics of the tower, wind vibration control effect of transmission tower is to be studied through seven different kinds of distribution of MR dampers condition, then get the dynamic response in different position of the tower body and tower top. The analysis results show that:: Through using of different damper layout, it can reduce vibration of the tower, especially the third scheme which is tower head lower half part edge member bar plus dampers had the most

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Mamang, Fathani Adhitya, Bachtiar Bachtiar, Imam Khoirul Rohmat, and Adri Fato. "ANALISIS PENGARUH VARIASI TEKANAN GAS DAN PERSENTASE KETEBALAN LAPISAN BOUNDING DAN COATING PADA PROSES REBUILD-UP MATERIAL BAJA AISI 1045 DENGAN METODE ARC SPRAY TERHADAP TINGKAT KEREKATAN ANTAR LAPISAN." JTT (Jurnal Teknologi Terapan) 9, no. 2 (2023): 167. http://dx.doi.org/10.31884/jtt.v9i2.463.

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Each engine component has the durability that can decrease and wear due to continuous friction. The thermal spray method is an alternative that is used. The type of thermal spray that is found in the industry is Arc Spray. However, the peeling of the coating metal with the substrate is one of the problems. In this study, the variables that have contributed to the peeling of the coating layer were taken. The variables compared are the total thickness of the bounding and coating layers of 1 mm with a percentage of 50% : 50% and 30% : 70%. Another variation is gas pressure of 2 Bar, 3 Bar and 4 B

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Ali Oun1, Dahfer, and Alaa Kamel Subr2. "EFFECT OF SPRAY PRESSURE AND VERTICAL BOOM POSITION ON THE SPRAY QUALITY." iraqi journal of market research and consumer protection 16, no. 2 (2024): 211–23. https://doi.org/10.28936/jmracpc16.2.2024.(18).

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The research to focuses on spraying the plant leaves from the bottom and top by developing a sprayer. The sprayer was making a sprayer made of aluminum with a movable arm containing a nozzle holder divided into three pieces. Each piece contains a nozzle of the type Flat Fan 120-C3. The tasting of the sprayer was done in one of the greenhouses of the Department of Horticulture and Forestry. The study has two factors, the first is changing eff changing the positions of the nozzle holder tube to two levels A1, A2. The second factors were the spray pressure with three levels P1=2, P2=3, P3=4 bar.

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Weber, Marius, Francesco Arena, Andreas Konrad, and Rolf Hempelmann. "Effect of Moisture on Methane Permeation Through Fermenter Covering Films in Biogas Plants." Zeitschrift für Physikalische Chemie 232, no. 5-6 (2018): 603–14. http://dx.doi.org/10.1515/zpch-2017-1022.

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Abstract Methane permeation through polyamide and polyethylene mono and multilayer films has been measured via direct coupling of a gaschromatograph with a permeation measurement cell. Methane permeabilities [in cm3 (STP)·mm·d−1·bar−1·m−2] for single films were found to be 335 for polyethylene (PE) at 40°C, 0.64 for polyamide (PA) 6/6.6 with dry gas and 8.7 for PA 6/6.6 with water vapour saturated test gas. As a result, under operating conditions of biogas production facilities (40°C, water vapour saturated), the replacement of PE by PA, as biogas membrane on top of a fermenter, can reduce met

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Liu, Peng Tao, Xue Si Liu, and Jin Gang Liu. "Effect of Calendering Conditions on the Properties of Paper." Advanced Materials Research 750-752 (August 2013): 2040–43. http://dx.doi.org/10.4028/www.scientific.net/amr.750-752.2040.

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The effect of calendering temperature, speed and linear load on the properties of opacity, brightness, smoothness, paper thickness, gloss and ink absorption of art paper were studied by orthogonal experiment. The art paper coating formulations were as follows: GCC-60 100 pph, solid content 64.6% for precoating; GCC-95 40 pph, Kaolin 60 pph, and solid content 61.3% for top coating. Bar coater was involved to coat by hand in the lab and the coating weight was controlled at 20±2g/m2. After calendering in different conditions, the optical properties and printability of paper were analyzed. Regress

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Zhang, Ruijin, Arnaud Castel, and Raoul François. "Influence of steel–concrete interface defects owing to the top-bar effect on the chloride-induced corrosion of reinforcement." Magazine of Concrete Research 63, no. 10 (2011): 773–81. http://dx.doi.org/10.1680/macr.2011.63.10.773.

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G., M. Gasii. "TYPES OF STEEL AND CONCRETE COMPOSITE CABLE SPACE FRAMES." Science and Transport Progress. Bulletin of Dnipropetrovsk National University of Railway Transport, no. 6(66) (December 25, 2016): 158–65. https://doi.org/10.15802/stp2016/90514.

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<strong>Purpose.</strong> Modern terms of the construction generate the need to find new structures, including roof systems that would meet modern requirements. An important aspect in finding constructive solutions for new structures is the use of reliable and advanced materials. Considering this, the decision to develop the new space structures to a wide implementation in practice of domestic and foreign construction are relevant and perspective direction of building structures development. <strong>Methodology.</strong> Given the results of previously conducted theoretical rese

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Hasnain, Muhammad, and Farheen. "Error Analysis in English Writing at Matric Level in the Secondary Schools of Tehsil Rustam." journal of social sciences review 2, no. 2 (2022): 10–21. http://dx.doi.org/10.54183/jssr.v2i2.33.

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The students at Matric level commit certain errors in English writing. This research was conducted to find out the errors committed by the metric students at Tehsil Rustam. A total of 60 students – top 20 students were selected from the top three schools of Tehsil Rustam. They were given the task to write on three topics namely “My school”, “My best friend” and “My favourite teacher”. To analyze the errors of the students, the researcher applied “Darus et al model of Error analysis theory”. The errors of the students were categorized and put into bar charts and pie charts. The researcher noted

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Pujol, M. C., R. Solé, J. Massons, et al. "Structural study of monoclinic KGd(WO4)2and effects of lanthanide substitution." Journal of Applied Crystallography 34, no. 1 (2001): 1–6. http://dx.doi.org/10.1107/s0021889800013352.

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The crystal structure of monoclinic KGd(WO4)2(KGW) has been refined at room temperature by using single-crystal X-ray diffraction data. The unit-cell parameters area= 10.652 (4),b= 10.374 (6),c= 7.582 (2) Å, β = 130.80 (2)°, withZ= 4, in space groupC2/c. The linear thermal expansion tensor has been determined and the principal axes are [302], [010] and [106]. The principal axis with maximum thermal expansion (\boldalpha'_{33} = 23.44 × 10−6 K−1), {\bf X}'_{3}, was located 12° from thecaxis. Undoped crystals of KGW and crystals that were partially doped by Pr, Nd, Ho, Er, Tm and Yb were grown b

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Dybeł, Piotr, Daniel Wałach, and Krzysztof Ostrowski. "The Top-Bar Effect in Specimens with a Single Casting Point at One Edge in High-Performance Self-Compacting Concrete." Journal of Advanced Concrete Technology 16, no. 7 (2018): 282–92. http://dx.doi.org/10.3151/jact.16.282.

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Zhang, R., A. Castel, and R. François. "Concrete cracking due to chloride-induced reinforcement corrosion – influence of steel–concrete interface defects due to the ‘top-bar effect’." European Journal of Environmental and Civil Engineering 16, no. 3-4 (2012): 402–13. http://dx.doi.org/10.1080/19648189.2012.667984.

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Dybeł, Piotr. "Effect of casting direction on bond of reinforcement in High Performance Self-Compacting Concrete (HPSCC)." MATEC Web of Conferences 262 (2019): 06004. http://dx.doi.org/10.1051/matecconf/201926206004.

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This paper presents the results of an investigation into the steel-to-concrete bond in high-performance self-compacting concrete (HPSCC) based on direct pull-out tests. Specifically, the effect of the casting direction on bond properties is examined. Two variants of concrete mixture casting were considered in this work: from the top and from the bottom of a mould with a single casting point at one edge. Horizontal specimens with transverse rebars distributed over their heights (480 mm) and lengths (1600 mm) were cast. The experimental program has shown that the direction of concreting plays an

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Wang, Tao, Enrique Serra Bachs, Joris de Grooth, and Wiebe M. de Vos. "Advanced Oxidation Processes Coupled to Nanofiltration Membranes with Catalytic Fe0 Nanoparticles in Symmetric and Asymmetric Polyelectrolyte Multilayers." Membranes 13, no. 4 (2023): 388. http://dx.doi.org/10.3390/membranes13040388.

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The in situ synthesis of Fe0 particles using poly-(acrylic acid) (PAA) is an effective tool for fabricating catalytic membranes relevant to advanced oxidation processes (AOPs). Through their synthesis in polyelectrolyte multilayer-based nanofiltration membranes, it becomes possible to reject and degrade organic micropollutants simultaneously. In this work, we compare two approaches, where Fe0 nanoparticles are synthesized in or on symmetric multilayers and asymmetric multilayers. For the membrane with symmetric multilayers (4.0 bilayers of poly (diallyldimethylammonium chloride) (PDADMAC)/PAA)

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Shi, Zheng, Long Wei Qiu, and Yong Qiang Yang. "Study on Sedimentary Characteristics and Models of River Group Sequence." Applied Mechanics and Materials 608-609 (October 2014): 1141–46. http://dx.doi.org/10.4028/www.scientific.net/amm.608-609.1141.

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Zhunzhong area Qingshui River group has top and bottom boundaries,which are not clear,and research on the evolution of the lack in sequence stratigraphic framework of deposition and on the reservoir sand body types do not have a clear understanding problem.In seismic interpretation, core description and based on the analysis of the related test,combining with the mud logging and well logging data,for the redefinition of Qingshui River group on the top and bottom boundaries,it identifies 6 time significance of sequence boundary,taking Qingshui River group can be divided into 2 sequences, 5 syst

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Oun, Dahfer Ali, and Alaa Subr. "Effect of Vertical Boom Position of the Greenhouse Sprayer on the Penetration of Spray to the Eggplants Canopy." IOP Conference Series: Earth and Environmental Science 1262, no. 9 (2023): 092009. http://dx.doi.org/10.1088/1755-1315/1262/9/092009.

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Abstract The research objective focuses on spraying the leaves of the plant from the top and bottom through a spraying machine designed and made of aluminum with a movable arm equipped with a nozzle holder divided into three parts and each piece contains a nozzle of the type (Flat Fan 120-C3) as the machine was tried in a greenhouse with a study of the effect of changing the positions of the upper and lower piece of the tube carrying the nozzles to four levels (A1, A2, A3, A4) and the effect of pressure change on two levels (2,4) bar and studying the effect of the previous factors on some of t

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Trezos, Konstantinos G., Ioannis P. Sfikas, and Christos Gerasimos Pasios. "Influence of water-to-binder ratio on top-bar effect and on bond variation across length in Self-Compacting Concrete specimens." Cement and Concrete Composites 48 (April 2014): 127–39. http://dx.doi.org/10.1016/j.cemconcomp.2013.11.012.

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Maurya, Preeti, Gaddale Srinivas Vijay, and Raghavendra Cholpadi Kamath. "Investigation on Performance and Kerf Characteristics during Cryogenic-Assisted Suspension-Type Abrasive Water Jet Machining of Acrylonitrile Butadiene Rubber." Journal of Composites Science 6, no. 12 (2022): 397. http://dx.doi.org/10.3390/jcs6120397.

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The need for soft polymer (such as acrylonitrile butadiene rubber (ABR)) components in mating applications is increasing in several sectors, viz. automobile, mining, and marine, due to their viscoelastic nature with improved surface quality and tighter geometric tolerances. Therefore, this paper aims to compare the effect of cryogenic conditions on the performance parameters of the suspension-type abrasive water jet (S-AWJ) machining and investigate the kerf characteristics of the top and bottom surface by comparing the waviness of the cut profiles and abrasive contamination of the top surface

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Li, Yanfeng, Jiyuan Xie, Fengchi Wang, Di Wu, Jiahui Wang, and Yanao Liu. "Experimental Study on Shear Lag Effect of Long-Span Wide Prestressed Concrete Cable-Stayed Bridge Box Girder under Eccentric Load." Construction Materials 4, no. 2 (2024): 425–43. http://dx.doi.org/10.3390/constrmater4020023.

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Based on the engineering background of the wide-width single cable-stayed bridge, the shear lag effects of the cross-section of these bridge box girders under the action of the eccentric load were experimentally studied. The behavior of shear lag effects in the horizontal and longitudinal bridge directions under eccentric load in the operational stage of a single cable-stayed bridge was analyzed by a model testing method and a finite element (FE) analytical method. The results showed that the plane stress calculation under unidirectional live load was similar to the results from spatial FE ana

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Ibraheem, Sajad Nazim, and Majed Hazem Alheidary. "The Role of Spray Pattern and Operating Pressure and their Interactions on the Control of Tetranychus urticae Koch. in Eggplant Plants Under Greenhouse Conditions." Arab Journal for Plant Protection 41, no. 2 (2023): 105–13. http://dx.doi.org/10.22268/ajpp-41.2.105113.

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Ibraheem, S.N. and M.H. Alheidary. 2023. The Role of Spray Pattern and Operating Pressure and their Interactions on the Control of Tetranychus urticae Koch. in Eggplant Plants Under Greenhouse Conditions. Arab Journal of Plant Protection, 41(2): 105-113. https://doi.org/10.22268/AJPP-41.2.105113 The mite Tetranychus urticae Koch is one of the most dangerous pests that attack the eggplant (Solanum melongena L.). Several attempts were carried out for controlling this pest to avoid crop losses through the extensive use of chemical products. The present study aimed to shed light on the effect of s

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Wang, Pengkai, Gang Yao, Yang Yang, and Haiyang Qin. "Stability Analysis of Marine Scaffold Under Coupled Environmental Loads." Journal of Marine Science and Engineering 13, no. 6 (2025): 1141. https://doi.org/10.3390/jmse13061141.

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Structural instability in marine scaffold systems often causes serious economic losses and casualties. In this study, a multi-parameter coupled model was established based on the MIDAS GEN finite element analysis platform to investigate the influence mechanisms of key parameters on the overall stability of marine scaffold systems. To quantify the impact levels of the key parameters, a sensitivity analysis framework was established using an orthogonal experimental design approach and the corresponding compliance detection index and instability early-warning mechanisms were proposed. The results

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El-Anwar, Mohamed, Rami Ghali, and Mona Aboelnagga. "3D Finite Element Study on: Bar Splinted Implants Supporting Partial Denture in the Reconstructed Mandible." Open Access Macedonian Journal of Medical Sciences 4, no. 1 (2016): 164–71. http://dx.doi.org/10.3889/oamjms.2016.027.

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AIM: This study aimed to estimate the stress patterns induced by the masticatory loads on a removable prosthesis supported and retained by bar splinted implants placed in the reconstructed mandible with two different clip materials and without clip, in the fibula-jaw bone and prosthesis using finite element analysis.METHODS: Two 3D finite element models were constructed, that models components were modeled on commercial CAD/CAM software then assembled into finite element package. Vertical loads were applied simulating the masticatory forces unilaterally in the resected site and bilaterally in

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Razi, F., A. Azwar, S. Sofyana, N. M. Erfiza, and M. Luxyana. "Preparation and characterization of nanofiltration (NF) polyethersulfone and its preliminary studies on beta-carotene concentration from crude palm oil." IOP Conference Series: Earth and Environmental Science 1116, no. 1 (2022): 012064. http://dx.doi.org/10.1088/1755-1315/1116/1/012064.

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Abstract The enrichment of beta-carotene concentration from crude palm oil (CPO) using nanofiltration polyethersulfone (NF-PES) membrane was studied. This work begins with preparing the NF-PES membrane via the phase inversion method as the first stage. PES polymer was used as base membrane material and N-Methyl-2-Pyrrolidone (NMP) as a solvent. Then, the process concentration of beta-carotene was conducted by filtration of the red palm methyl ester as feed solution using dead-end mode filtration. The objective of this work was to evaluate the effect of separation pressure (3; 4; and 5 bar) on

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An, Sitong, Lvkang Shen, Tianyu Liu, Yan Wang, Qiuyang Han, and Ming Liu. "Dual-Layer Anomalous Hall Effect Sensor for Enhanced Accuracy and Range in Magnetic Field Detection." Nanomaterials 15, no. 7 (2025): 527. https://doi.org/10.3390/nano15070527.

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This study introduces a method aimed at enhancing both the accuracy and the range of magnetic field sensors, which are two critical parameters, in a novel NiCo2O4-based anomalous Hall effect sensor. To fine-tune the linear range of the sensor, we introduced epitaxial strain using a MgAl2O4 cover layer, which significantly influenced the strain-modulated magnetic anisotropy. A NiCo2O4/MgAl2O4/NiCo2O4/MgAl2O4 heterostructure was further constructed, achieving differentiation in the material characteristics across both upper and lower NiCo2O4 layers through the modulation of thickness and strain.

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Foroughi, A., J. Gherekhloo, and F. Ghaderi-Far. "Effect of plant density and seed position on mother plant on physiological characteristic of cocklebur (Xanthium strumarium) seeds." Planta Daninha 32, no. 1 (2014): 61–68. http://dx.doi.org/10.1590/s0100-83582014000100007.

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Experiments were conducted in 2010 to determine the influence of plant density and seed position on the mother plant on seed physiological characteristics of cocklebur (Xanthium strumarium). Cocklebur burs were collected in fall of 2010 from Research Farm of University of Agricultural Sciences and Natural Resources of Gorgan, Iran. The experiment was established as factorial arrangement using a completely randomized design with three replications. The factors included different densities of cocklebur (0, 2, 4, 6 and 8 plant m-2) and the top and bottom parts of the canopy. Non dormant seeds wer

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Rajesh, T. N., T. J. S. Jothi, and T. Jayachandran. "Preliminary Studies on Non-Reactive Flow Vortex Cooling." Recent Patents on Mechanical Engineering 12, no. 3 (2019): 262–71. http://dx.doi.org/10.2174/2212797612666190510115403.

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Background: The impulse for the propulsion of a rocket engine is obtained from the combustion of propellant mixture inside the combustion chamber and as the plume exhausts through a convergent- divergent nozzle. At stoichiometric ratio, the temperature inside the combustion chamber can be as high as 3500K. Thus, effective cooling of the thrust chamber becomes an essential criterion while designing a rocket engine. Objective: A new cooling method of thrust chambers was introduced by Chiaverni, which is termed as Vortex Combustion Cold-Wall Chamber (VCCW). The patent works on cyclone separators

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Arnott, R. W. C. (Bill), Mike Tilston, Patricia Fraino, Lillian Navarro, Gerry Dumouchel, and Nicole Miklovich. "Laterally accreting sinuous channels and their deposits: The Goldilocks of deep-water slope systems." Journal of Sedimentary Research 91, no. 5 (2021): 451–63. http://dx.doi.org/10.2110/jsr.2020.144.

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ABSTRACT Channels with a sinuous planform are common in both continental and deep-marine environments on Earth, and similarly in high-resolution images of the surface of Mars. Whereas common in rivers, continuous lateral channel migration and point-bar deposition appear to be much less common in the deep sea. In the bends of rivers, near-bed flow driving point bar growth results from a cross-flow superelevation of the water surface that sets up a lateral hydrostatic pressure gradient driving an inward-directed flow near the bed. However, in deep-marine systems the surface between the turbidity

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Nakahara, Yusuke. "Concealed Fragmentariness: On the Compositional Process of Bartók's String Quartets." Studia Musicologica 62, no. 3-4 (2022): 241–76. http://dx.doi.org/10.1556/6.2021.00017.

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Abstract The present paper is a preliminary study to a deeper understanding of Bartók's compositional process: how he filled the music paper even if the notation appears continuous. He did not always write the draft from the top-left corner to the bottom-right corner but occasionally skipped some measures or phrases that he intended to write down later. Thus, the continuity draft is not necessarily regarded as a continuity; it might have consisted of fragments but they have been eventually concealed in the final form of the draft. This may directly affect our interpretation of Bartók's creativ

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Fian Arif Yulianto. "EFFECT OF FUEL PUMP PRESSURE AND NUMBER OF INJECTOR HOLES ON 150CC MOTOR PERFORMANCE." Jurnal Teknik Mesin 3, no. 2 (2024): 343–50. https://doi.org/10.33795/j-meeg.v3i2.3243.

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This study examines the effect of fuel pump pressure and the number of injector holes on the performance of the Honda Vario 150cc motorbike. The current fuel system has evolved from a carburetor to an injection system to improve fuel efficiency. The injector plays a role in spraying fuel into the combustion chamber with the volume and discharge set by the ECU. This study aims to improve and compare engine performance with variations in the number of holes in the injectors and fuel pump pressure.The research method used is experimentation by measuring the power and torque of the engine. The res

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Mezzatesta, Daniela S., Federico J. Berli, Celeste Arancibia, Fernando G. Buscema, and Patricia N. Piccoli. "Impact of contrasting soils in a high-altitude vineyard of <i>Vitis vinifera</i> L. cv. Malbec: root morphology and distribution, vegetative and reproductive expressions, and berry skin phenolics." OENO One 56, no. 2 (2022): 149–63. http://dx.doi.org/10.20870/oeno-one.2022.56.2.4917.

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The high-altitude viticulture of Mendoza is being increasingly recognised among the top wine regions worldwide. High levels of solar ultraviolet-B (UV-B) radiation, alluvial heterogeneous soils and cool night temperatures are major influences on Vitis vinifera L. phenotypic characteristics, especially on Malbec, Argentina’s emblematic grapevine variety. In the present work, the effect of intra-vineyard contrasting soil depth on Malbec was evaluated in a high-altitude vineyard (1450 m a.s.l.), over two growing seasons for physiological traits and over three vintages for yield components and ber

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Lee, Jung-Hee. "A Study on the Change of Hair Conditions Before and After Using Aroma Shampoo Bar." Journal of the Korean Society of Cosmetology 30, no. 5 (2024): 1186–93. http://dx.doi.org/10.52660/jksc.2024.30.5.1186.

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In this study, changes in hair condition after using aroma shampoo bars were investigated. Aroma shampoo was produced in the form of a bar (100 g) by complying with cosmetic safety standards in accordance with the Ministry of Food and Drug Safety notice. The essential oils used in aroma shampoo bars were lavender, juniper berries, cypress, peppermint, cedarwood, ylang ylang and rosemary as reference to previous studies. The subjects of this study were adults in their 20s or older, and consisted of two groups: a control group, 23 people and the experimental group, and 23 people. Aroma-free sham

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Trezos, Konstantinos G., Ioannis P. Sfikas, and Konstantinos Orfanopoulos. "Bond of self-compacting concrete incorporating silica fume: Top-bar effect, effects of rebar distance from casting point and of rebar-to-concrete relative displacements during setting." Construction and Building Materials 73 (December 2014): 378–90. http://dx.doi.org/10.1016/j.conbuildmat.2014.09.113.

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