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Artículos de revistas sobre el tema "Boron meter"

Autor: Grafiati

Publicado: 30 de noviembre de 2024

Última modificación: 31 de julio de 2025

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1

Rasbury, E. Troy, and N. Gary Hemming. "Boron Isotopes: A “Paleo-pH Meter” for Tracking Ancient Atmospheric CO2." Elements 13, no. 4 (2017): 243–48. http://dx.doi.org/10.2138/gselements.13.4.243.

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The boron isotope composition of calcium carbonate shells of marine organisms has the unique potential to record surface ocean pH, allowing the calculation of atmospheric pCO2 due to the established relationship between pH and the partial pressure of (atmospheric) CO2 (pCO2). This “paleo-pH meter” allows scientists to produce a record of the natural fluctuations of atmospheric pCO2 over geologic time, which will help us better understand the impacts of the recent anthropogenic addition of CO2 to Earth's atmosphere. Towards this end, a tremendous effort to understand the systematics of boron up

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2

Chen, Ke, Bai Song, Navaneetha K. Ravichandran, et al. "Ultrahigh thermal conductivity in isotope-enriched cubic boron nitride." Science 367, no. 6477 (2020): 555–59. http://dx.doi.org/10.1126/science.aaz6149.

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Materials with high thermal conductivity (κ) are of technological importance and fundamental interest. We grew cubic boron nitride (cBN) crystals with controlled abundance of boron isotopes and measured κ greater than 1600 watts per meter-kelvin at room temperature in samples with enriched 10B or 11B. In comparison, we found that the isotope enhancement of κ is considerably lower for boron phosphide and boron arsenide as the identical isotopic mass disorder becomes increasingly invisible to phonons. The ultrahigh κ in conjunction with its wide bandgap (6.2 electron volts) makes cBN a promising

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3

I.S., Kryukov, Kozyr D.V., and Mukhamedov K.A. "Modernization of the Data Processing Device for the Boron Concentration Meter." KnE Engineering 3, no. 3 (2018): 70. http://dx.doi.org/10.18502/keg.v3i3.1607.

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Currently all nuclear power plants with VVER -reactors used data measuring systems called a Boron Concentration Meter (NAR). They are necessary for the boron control implementation. NAR consists of sensors and auxiliary devices, and it includes the device of storage and data processing (UNO). Both the rapid evolution of computer architectures, and associated microprocessor hardware updates in the electronics market create a necessity of a new device development. The main design goals both are to optimize the hardware solutions and to use a new software and algorithmic capabilities. However, an

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4

Dighe, Priyamvada M. "Design simulation studies of pipe mounted boron concentration meter." Annals of Nuclear Energy 134 (December 2019): 414–23. http://dx.doi.org/10.1016/j.anucene.2019.07.021.

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5

Hwang, Seong Jin, Yu Jin Kim, Seung Bo Shim, and Hyung Sun Kim. "Chemical Durability of Frits Used in Process of Plasma Display Panels." Solid State Phenomena 124-126 (June 2007): 435–38. http://dx.doi.org/10.4028/www.scientific.net/ssp.124-126.435.

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The chemical reaction between water and frit surface was determined using pH meter, ICP-MS, zeta-potential analyzer and FT-IR. With increasing the content of barium and boron of glass composition, the difference of water pH increased with different glass systems. During wet milling in aqueous solution, boron and barium of glasses dissolved. The values of zeta potential of lead and bismate frits were negative in water solution. Based on the results, when wet milling is used in water solution, the contents of barium and boron in a glass should be less than 10mol%.

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6

Deshmukh, H. K., D. H. Paithankar, P. K. Nimbolkar, R. K. Dewangan, and C. Awachare. "Effect of Plant Growth Regulators and Micronutrients on Reproductive Attributes of Acid Lime (Citrus aurantifolia Swingle) in Hasta bahar Cropping Season." Journal of Horticultural Sciences 11, no. 1 (2016): 63–66. http://dx.doi.org/10.24154/jhs.v11i1.107.

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Plant growth regulators and micronutrients at various combinations [GA3 50ppm + Cycocel 1000ppm + KNO30.2% + Zn 0.3% + Boron 0.1%; GA3 50ppm + Cycocel 2000ppm + KNO3 0.2% + Zn 0.3% + Boron 0.1%; GA3 50ppm + Paclobutrazol 2.5g a.i./tree (soil application) + KNO3 0.2% + Zn 0.3% Boron 0.1%; GA350ppm + Paclobutrazol 3.5g a.i./tree (soil application) + KNO3 0.2% + Zn 0.3% + Boron 0.1%; GA3 50ppm + Paclobutrazol 1000ppm (foliar application) + KNO3 0.2% + Zn 0.3% + Boron 0.1%; and, GA3 50ppm + Paclobutrazol 2000ppm + KNO3 0.2% + Zn 0.3% + Boron 0.1%] were sprayed before flower emergence in acid lime.

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7

Liu, Tian Yu, Wei Jiang Zhang, and Jiao Xu. "Study on Preparation of Boric Acid with Boron Trifluoride Methanol Complex." Applied Mechanics and Materials 733 (February 2015): 276–79. http://dx.doi.org/10.4028/www.scientific.net/amm.733.276.

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With boron trifluoride methanol complex as raw material, the hydrolysis reaction of boron trifluoride was used to prepare the boric acid. The addition of calcium carbonate is aim to remove the hydrogen fluoride generated in the reaction process, The ultimate objective is making the material being the product of boric acid maximum. Reaction time (T), the ratio of raw materials (molar ratio) and the amount of water were investigated in the influence of the purity and yield of boric acid. The conductivity of mixed solution was determined by conductivity meter, the results determines the end point

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8

Kong, Chidong, Hyunsuk Lee, Taewoo Tak, Deokjung Lee, Si Hwan Kim, and Seokjean Lyou. "Accuracy Improvement of Boron Meter Adopting New Fitting Function and Multi-Detector." Nuclear Engineering and Technology 48, no. 6 (2016): 1360–67. http://dx.doi.org/10.1016/j.net.2016.06.012.

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9

Tahir R. Dizayee, Alwand. "The Effect of Boron, Humic Acid and Interference on Water Productivity and Yield of Cauliflower (Brassica Oleracea)." Al-Qadisiyah Journal For Agriculture Sciences (QJAS) (P-ISSN: 2077-5822 , E-ISSN: 2617-1479) 9, no. 2 (2019): 139–97. http://dx.doi.org/10.33794/qjas.vol9.iss2.92.

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An experiment has been carried out at field in Gardmalla/Qushtapa with reading GPS (longitude 440035E, Latitude 360023N) ,414 meter above sea level, 15.5 Km far Southern of Erbil city during the Winter season of 2017 to test the effect of application humic acid in soil and spraying boron on the growth and productivity of water on cauliflower. Factorial experiment 3 (humic acid) (0, 10 and 20 kg ha-1 using) × 4 (boron foliar) ( 0, 0.5, 1.0, and 2.0 kg B ha-1 ) using solid snow cultivars in RCBD with three replicates.Planting solid snow cultivars was done on 11/7/2017 (seeding date), 10 /8 /2017

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10

Subedi, Thaneshwar. "Analysis of plant nutrient elements of soil in Pokhara." Himalayan Biodiversity 6 (December 2, 2018): 58–62. http://dx.doi.org/10.3126/hebids.v6i0.33533.

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The study was carried out to analyse plant nutrient elements present in soil samples from different part of Pokhara metropolitan city and to compare them with standard recommended values. The plant nutrient elements of soil samples nitrogen, phosphorus, potash, zinc, iron, copper, and boron were analyzed by using specific techniques. The PH was analysed by PH meter, organic matter by gravimetric method, nitrogen by Kjeldal method and phosphorus by Olsen’s method (1954) of analysis. Similarly, the amount of zinc, iron and copper were determined by chemical method, potassium by flame photometer

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11

Shin, Jungwoo, Geethal Amila Gamage, Zhiwei Ding, et al. "High ambipolar mobility in cubic boron arsenide." Science 377, no. 6604 (2022): 437–40. http://dx.doi.org/10.1126/science.abn4290.

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Semiconductors with high thermal conductivity and electron-hole mobility are of great importance for electronic and photonic devices as well as for fundamental studies. Among the ultrahigh–thermal conductivity materials, cubic boron arsenide (c-BAs) is predicted to exhibit simultaneously high electron and hole mobilities of >1000 centimeters squared per volt per second. Using the optical transient grating technique, we experimentally measured thermal conductivity of 1200 watts per meter per kelvin and ambipolar mobility of 1600 centimeters squared per volt per second at the same locations o

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12

Marpaung, Agustina Erlinda, Bina Karo, and Rasiska Tarigan. "Peningkatan Produksi dan Mutu Benih Wortel (Daucus carota) Varietas Lokal Melalui Pemangkasan Cabang dan Pemupukan Boron." Jurnal Hortikultura 27, no. 1 (2017): 45. http://dx.doi.org/10.21082/jhort.v27n1.2017.p45-54.

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<p>Teknik perbenihan perlu diperhatikan untuk mendapatkan benih wortel bermutu. Hal ini terjadi dikarenakan oleh teknik perbenihan / pemilihan umbella sebagai sumber bibit kurang tepat. Penelitian ini bertujuan untuk meningkatkan produksi dan mutu benih wortel melalui perlakuan pemangkasan cabang dan pemberian pupuk boron. Penelitian dilakukan pada bulan Januari-Mei 2014 di kebun percobaan Berastagi, dengan ketinggian ± 1340 meter dpl, jenis tanah andisol. Rancangan yang digunakan adalah Rancangan Acak Kelompok faktorial dengan 3 ulangan, dimana faktor 1: Teknik Pemangkasan (P<sub>

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13

Sung, Si Hyeong, and Hee Reyoung Kim. "Experimental characterization of the accuracy of multidetector boron meter for operational safety of reactors." International Journal of Energy Research 42, no. 8 (2018): 2701–9. http://dx.doi.org/10.1002/er.4059.

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14

Kumar, K. M., and P. Hariharan. "PREDICTION AND INVESTIGATION OF SURFACE ROUGHNESS WHILE TURNING SG IRON WITH CUBIC BORON NITRIDE (CBN) AND TUNGSTEN CARBIDE INSERTS." Transactions of the Canadian Society for Mechanical Engineering 41, no. 1 (2017): 129–41. http://dx.doi.org/10.1139/tcsme-2017-1009.

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This work compares the effect of cubic boron nitride (CBN) and multilayer (TiCN+Al2O3+TiN) coated tungsten carbide (WC) tools during the turning of spheroidal graphite (SG) nodular iron. Nodular irons have more ductility which is required in mechanical components that demand high fatigue resistance like crankshafts, cam shafts, bearing caps and clutch housings. The impact of various process parameters like the depth of cut, cutting speed and feed on the surface roughness (Ra) of SG iron is studied and optimized using the response surface model. The chip morphology is also discussed for evaluat

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15

Adamik, Michal, Róbert Drlička, Milan Matúš, and Ján Žitňanský. "Effectiveness of Hard Turning." Advanced Materials Research 801 (September 2013): 109–16. http://dx.doi.org/10.4028/www.scientific.net/amr.801.109.

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Hard turning is a turning operation performed on hard materials (hardness more than 45 HRC) in order to reach surface roughness close to that obtained in grinding. The development of this technology was accompanied by the development of new cutting materials such as cutting ceramics, cubic boron nitride and polycrystalline diamond. Especially cubic boron nitride has found its use in hard part turning operations because of its characteristics. However, new cutting materials result in new questions, which researchers are trying to solve. The major consideration for a user of this relatively new

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16

Chandrawanshi, Lila Ram, and Rajesh Singh. "Response of Nitrogen and Foliar Application of Boron on Growth and Yield of Barley (Hordeum vulgare L.)." International Journal of Environment and Climate Change 13, no. 8 (2023): 418–24. http://dx.doi.org/10.9734/ijecc/2023/v13i81969.

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The field experiment entitled “Response of Nitrogen and Foliar Application of Boron on Growth and Yield of Barley (Hordeum vulgare L.)” was conducted Response of during the rabi season of 2022 in Crop Research Farm, Department of Agronomy, Naini Agricultural Institute, SHUATS, Prayagraj (U.P.). The experiment was laid out in a Randomized Block Design with ten treatment combinations. The soil in the experimental area was sandy loam with pH (7.6), EC (0.305 d S/m), organic carbon (0.23%), available N (184.8 kg/ha), available P (16.45 kg/ha) and available K (187.64 kg/ha). Seeds are sown at a spa

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17

Dai, Qi-Dong, Guo-En Fu, Can-Hui Wang, Xun-Cheng Zong, Hong-Bo Wang, and Can Cui. "Analysis of the physical properties of a boron meter based on He-3 neutron detector." Alexandria Engineering Journal 112 (January 2025): 367–73. http://dx.doi.org/10.1016/j.aej.2024.11.013.

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18

Gan, Changxian, Tian Wan, Xianbin Liu, Hongbao Han, Kang An, and Xiqing Hu. "Research on improving the reliability of flow measurement of first circuit coolant medium sampling system in nuclear power plant." Journal of Physics: Conference Series 2378, no. 1 (2022): 012020. http://dx.doi.org/10.1088/1742-6596/2378/1/012020.

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Abstract The accuracy of flowmeter of the first circuit coolant sampling system in nuclear power plant affects the measurement of the Boron meter. If the fault treatment cannot be completed in time, the reactor state needs to be withdrawn, which will affect nuclear safety and cause great economic losses. In this paper, a feasible improvement scheme is proposed by analyzing the causes of instrument failure, researching the optimization direction, and adopting measures such as seismic analysis, prototype verification, split design, and interference suppression, which effectively improves the rel

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19

Naz, Raja Mohib Muazzam, Haider Ali, Qandeela Nigar, et al. "Understanding the Impact of Zinc and Boron Applications on Growth and Yield Attributes in Potato." Journal of Applied Research in Plant Sciences 5, no. 02 (2024): 297–304. http://dx.doi.org/10.38211/joarps.2024.05.290.

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Research examines the impact of zinc (Zn) and boron (B) on the growth, and yield of potato plants. The screen house experiment used four treatments: T1 (Control), T2 (Zn 5g/L), T3 (B 2g/L), and T4 (Zn 5g/L + B 2g/L). Growth characteristics were evaluated, such as the emergence percentage, plant vigor, number of stem /meter2, plant height, and stem diameter. In addition, essential yield metrics such as number of tubers, tuber weight (g), dry matter content, and specific gravity were also assessed. The findings indicated that concurrent administration of T4 had a substantial positive impact on t

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20

Sasaki, Michiko, and Masahiro Goto. "Piezoelectric effect of crystal nanodomains on the friction force." Journal of Vacuum Science & Technology B 40, no. 5 (2022): 052803. http://dx.doi.org/10.1116/6.0001881.

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Reduction and control of the friction force are important from the viewpoint of energy conservation, and novel approaches for achieving this are desirable. The friction force of the boron-doped zinc oxide (B-ZnO) coating on a stainless-steel type-440C substrate was moderated by controlling the B-ZnO crystal nanodomains' piezoelectric effect. The nanoscale and macroscale friction forces, as well as the B-ZnO coating's piezoelectric effect, were measured using lateral force microscopy, friction and wear meter, and piezo response microscopy devices, respectively. The distribution of the friction

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21

Li, Yan, Lizheng Sha, Huifang Zhao, and Cheng Huang. "Preparation and flame-retardant mechanism of flame-retardant air filter paper." BioResources 14, no. 4 (2019): 8499–510. http://dx.doi.org/10.15376/biores.14.4.8499-8510.

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Four flame retardants and styrene-acrylic latex were used to make flame-retardant air filter paper via emulsion impregnation. The compositions and flame retardant mechanism of the flame retardants were investigated by using scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), and thermogravimetric analysis (TGA). The flame retardance of air filter paper was evaluated using TGA and limiting oxygen index (LOI) meter, and the physical properties and pore structure of the flame-retardant air filter paper were measured using stiffness tester, burst tester, and apertur

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22

Kayode James Adedoyin, Funminiyi Michael Oyekunle, and John Simon. "Determination of linear attenuation coefficient of aggregate serpentine concrete exposed to gamma and neutron radioactive sources." International Journal of Engineering Research Updates 4, no. 1 (2023): 001–9. http://dx.doi.org/10.53430/ijeru.2023.4.1.0068.

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This research was designed to perform linear attenuation calculations for ordinary concrete both through simulation and experiment. The linear attenuation coefficient is an essential parameter for radiation shielding design for both source transport casks and storage bunkers. The shielding properties of concrete designed with Serpentine aggregates of different granule sizes were investigated. The simulation was performed using Radpro computer Software while the experiment involved sourcing for local Serpentine rock, crushing into four different granule sizes of 5 mm, 10 mm, 15 mm and 20 mm res

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23

Cano Gallego, Lucas Esteban, Álvaro de Jesús Tamayo Molano, Carolina Ortiz Muñoz, and Juan Camilo Henao Rojas. "Response of mint (Mentha spicata L.) crops to chemical and organic fertilization." Revista Facultad Nacional de Agronomía Medellín 76, no. 3 (2023): 10465–71. http://dx.doi.org/10.15446/rfnam.v76n3.102451.

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With the purpose to define the appropriate doses in the production of mint cultivation, this research was conducted in three locations (Gibraltar, Arboleda and Aguacatal) of the municipality of Jardín, Antioquia. The soils of these localities are andisols, with medium contents of organic matter, low in interchangeable bases, low in phosphorus and boron, with characteristics of low fertility. For this research, Mentha spicata L. (mint) was seeded at a distance of 0.3x0.3 m, in an experimental design of randomized complete blocks with four repetitions, with five increasing doses of compound fert

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24

Morrison, Kayla, Bruce Dunn, Carla Goad, and Charles Fontanier. "Comparison of Automated Controller Settings for Irrigation and Fertilizer Needs of Potted Geranium." HortTechnology 34, no. 6 (2024): 658–65. http://dx.doi.org/10.21273/horttech05487-24.

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The future of agricultural water availability is threatened by climate change, population growth, and environmental regulations. Most of the global water is being used for crop irrigation. The objective of this research was to determine optimum timer-based controller settings and controlled-released fertilizer rates for ‘American Red’ (Pelargoium ×hortorum) potted geranium plants. Fertilizer was top-dressed at 3, 6, or 9 g. Plants were irrigated by a timer-based controller set to water at 11:00 AM every other day for 2 minutes, 9:00 AM and 2:00 PM for 1 minute per day, 11:00 AM for 1 minute pe

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25

Kristiantoro, Tony, and Novrita Idayanti. "Aplikasi Magnet Berpengikat (Bonded) NdFeB untuk S-band Circulator pada Rentang Frekuensi 2,00-4,00 GHz." Jurnal Elektronika dan Telekomunikasi 14, no. 2 (2016): 51. http://dx.doi.org/10.14203/jet.v14.51-55.

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Circulator merupakan perangkat elektronik yang memiliki fungsi penting pada suatu sistem pemancar dan penerima gelombang frekuensi radio (RF), di mana magnet permanen dapat berfungsi sebagai pengarah gelombang (waveguide). Penelitian ini bertujuan untuk menggantikan magnet permanen barium ferit (BaFe12O19) yang umumnya digunakan pada circulator dengan magnet permanen berpengikat (bonded) neodymium besi boron (NdFeB). Bahan baku yang digunakan adalah serbuk NdFeB crashed ribbon dengan menggunakan metode pengepresan green-compact yang divariasikan pada tekanan 25, 50, 75, dan 100 kg.cm-2 dan dil

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26

Elmtalab, Soheil, Ahmad Shanei, Mohammad Hossein Choopan Dastjerdi, Hrvoje Brkić, Iraj Abedi, and Alireza Amouheidari. "DETERMINATION OF THE NEUTRON CONTAMINATION DURING BRAIN RADIOTHERAPY USING A MODERATED-BORON TRIFLUORIDE DETECTOR AND THE MCNP MONTE CARLO CODE." Radiation Protection Dosimetry 198, no. 3 (2022): 129–38. http://dx.doi.org/10.1093/rpd/ncac001.

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Abstract This study aimed to determine the neutron dose equivalent to the thyroid gland and eye lens in brain tumor radiation therapy with 15- and 18-MV three-dimensional conformal methods (3D-CRT). A Monte Carlo simulation was performed using the Monte Carlo N-particle transport code to calculate neutron fluence and ambient dose equivalent (H*(10)). Afterward, these parameters were measured using a model NRD roentgen equivalent in man (REM) neutron detector (Thermo Electron Corporation, USA) equipped with Eberline’s ASP-2e rate meter. Finally, the organ neutron dose equivalent was obtained by

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27

Zobiole, Luiz Henrique Saes, César de Castro, Fábio Alvares de Oliveira, Adilson de Oliveira Júnior, and Adônis Moreira. "Sunflower micronutrient uptake curves." Ciência e Agrotecnologia 35, no. 2 (2011): 346–53. http://dx.doi.org/10.1590/s1413-70542011000200016.

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Most studies in the literature regarding the uptake of micronutrients [zinc (Zn), manganese (Mn), iron (Fe), copper (Cu) and boron (B) accumulation] by sunflower are old. For this reason, this work is aimed to establish curves of sunflower micronutrient accumulation in tropical edaphoclimatic conditions. The experiment was conducted in field on Rhodic Eutrudox, located at the experimental farm of Embrapa Soja in Londrina-PR, using the commercial hybrid BRS 191. The experimental design was completely randomized, with four replicates. The experimental units consisted of 14 lines with a spacing o

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28

Hossain, Akbar, MAZ Sarker, MA Hakim, Mst T. Islam, and ME Ali. "Effect of Lime, Magnesium and Boron on Wheat (Triticum aestivum L.) and Their Residual Effects on Mungbean (Vigna radiata L.)." International Journal of Agricultural Research, Innovation and Technology 1, no. 1-2 (2013): 9–15. http://dx.doi.org/10.3329/ijarit.v1i1-2.13923.

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The study was carried out during 2007-2008 season in the research field of Wheat Research Centre, Bangladesh Agricultural Research Institute, Dinajpur to know the effect of lime, Magnesium (Mg) and Boron (B) on yield and yield components of wheat and also their residual effect on mungbean. The geographical position of the area is between 25°62´ N, 88°63´ E and 38.20 meter above sea level. The experiment was laid out in Randomized Complete Block Design with three replications, both in wheat and mungbean. Treatments for wheat were (I) recommended fertilizer + Mg + B, (II) recommended fertilizer

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29

Liu, Bingxiao, Yunzhen Zhu, Chen Yang, et al. "Study on the Preparation and Properties of Thermally Conductive Semi-Aromatic Heat-Resistant PA5T-CO-10T/ Hexagonal Boron Nitride Composites." Polymers 17, no. 8 (2025): 1031. https://doi.org/10.3390/polym17081031.

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In this paper, we report a novel thermally conductive semi-aromatic heat-resistant PA5T-CO-10T/hexagonal boron nitride (PA5T-CO-10T/BN) composite, based on as-synthesized PA5T-CO-10T, which is a copolymer of poly (pentamethylene terephthalamide) (PA5T) and poly (decamethylene terephthalamide) (PA10T). We confirmed the structure of PA5T-CO-10T through a nuclear magnetic resonance carbon spectrometer (13C-NMR). The differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA) results indicate that PA5T-CO-10T demonstrates a processing window (greater than 90 °C) which is suitable

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30

Liu, Chun, Tieling Xing, Bingju Wei, and Guoqiang Chen. "Synergistic Effects and Mechanism of Modified Silica Sol Flame Retardant Systems on Silk Fabric." Materials 11, no. 10 (2018): 1842. http://dx.doi.org/10.3390/ma11101842.

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The nano-silica sol was prepared by sol-gel method, and the boric acid, urea, cyanoguanidine, melamine cyanurate (MCA), 1-hydroxyethane 1,1-diphosphonic acid (HEDP), and 6H-dibenz (C,E) (1,2) oxaphosphorin-6-oxide (DOPO) were added to the silica sol to modify the flame retardant through physical doping and chemical bonding. According to the formula proposed by Lewin, the calculation of flammability parameters were obtained by the limiting oxygen index meter, the micro calorimeter, the vertical burner, and the thermogravimetric analyzer proved that there was a synergistic or additive effect bet

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31

Pongpiachan, Siwatt, Kanjana Thumanu, Charnwit Kositanont, et al. "Parameters Influencing Sulfur Speciation in Environmental Samples Using Sulfur K-Edge X-Ray Absorption Near-Edge Structure." Journal of Analytical Methods in Chemistry 2012 (2012): 1–12. http://dx.doi.org/10.1155/2012/659858.

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This paper aims to enhance the credibility of applying the sulfur K-edge XANES spectroscopy as an innovative “fingerprint” for characterizing environmental samples. The sensitivities of sulfur K-edge XANES spectra of ten sulfur compound standards detected by two different detectors, namely, Lytle detector (LyD) and Germanium detector (GeD), were studied and compared. Further investigation on “self-absorption” effect revealed that the maximum sensitivities of sulfur K-edge XANES spectra were achieved when diluting sulfur compound standards with boron nitride (BN) at the mixing ratio of 0.1%. Th

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32

Routh, P. K., N. C. Sarkar, P. K. Das, D. Debnath, S. Bandyopadhyay, and U. Raj. "RETRIVAL OF BIO-PHYSICAL PARAMETERS IN SUNFLOWER CROP (<i>HELIANTHUS ANNUUS</i>) USING FIELD BASED HYPERSPECTRAL REMOTE SENSING." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-3/W6 (July 26, 2019): 623–29. http://dx.doi.org/10.5194/isprs-archives-xlii-3-w6-623-2019.

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<p><strong>Abstract.</strong> Information on several crop bio-physical parameters is important as inputs for crop growth modelling, leaf stress analysis, crop health study and productivity point of view. Conventionally, biophysical parameters are measured in laboratory methods which are time consuming, laborious and destructive in nature. With the advent of remote sensing technology, the limitations of conventional methods can be overcome. Moreover, due to its narrow absorption bands at different wavelength, use of hyperspectral remote sensing becomes very useful in retrievin

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Hubie, Guilherme, João Guilherme Ribeiro Ferreira, Helio Souza Junior, et al. "Interaction between arbuscular mycorrhizal fungi and biofertilizer in cotton crops." Agronomy Science and Biotechnology 11 (April 14, 2025): 1–9. https://doi.org/10.33158/asb.r226.v11.2025.

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The use of biofertilizers and biological solutions to meet the nutritional needs of plants has grown significantly in agriculture as a way to replace mineral fertilizers, which in turn contribute to increasing the production costs for farmers. Therefore, it is essential to conduct studies to prove the effectiveness of these methods and assist producers in their decision-making. The objective of this study was to evaluate the effect of seed treatment with biofertilizer and inoculation with Rhizophagus clarus on cotton growth. The experiment was carried out in an experimental area in Rolândia-PR

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Jaszczak, John A., Madhusudan A. Savaikar, Douglas R. Banyai, et al. "Simulation of Charge Transport in Disordered Assemblies of Metallic Nano-Islands: Application to Boron-Nitride Nanotubes Functionalized with Gold Quantum Dots." MRS Proceedings 1700 (2014): 17–28. http://dx.doi.org/10.1557/opl.2014.731.

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ABSTRACTIn this study, we investigate the charge-transport behavior in a disordered one-dimensional (1D) chain of metallic islands using the newly developed multi-island transport simulator (MITS) based on semi-classical tunneling theory and kinetic Monte Carlo simulation. The 1D chain is parameterized to model the experimentally-realized devices studied by Lee et al. [Advanced Materials25, 4544-4548 (2013)], which consists of nano-meter-sized gold islands randomly deposited on an insulating boron-nitride nanotube. These devices show semiconductorlike behavior without having semiconductor mate

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Chung, Chen-Kuei, and Chin-An Ku. "An Effective Resistive-Type Alcohol Vapor Sensor Using One-Step Facile Nanoporous Anodic Alumina." Micromachines 14, no. 7 (2023): 1330. http://dx.doi.org/10.3390/mi14071330.

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With the increases in work environment regulations restricting alcohol to 1000 ppm, and in drink-driving laws, testing for alcohol with a simple method is a crucial issue. Conventional alcohol sensors based on sulfide, metal oxide, boron nitride or graphene oxide have a detection limit in the range of 50–1000 ppm but have disadvantages of complicated manufacture and longer processing times. A recent portable alcohol meter based on semiconductor material using conductivity or chemistry measurements still has the problem of a complex and lengthy manufacturing process. In this paper, a simple and

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Kucukomeroglu, T., and S. M. Aktarer. "Microstructure, microhardness and tensile properties of FSWed DP 800 steel." Journal of Achievements in Materials and Manufacturing Engineering 2, no. 81 (2017): 56–60. http://dx.doi.org/10.5604/01.3001.0010.2038.

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Purpose: Dual phase (DP) steels are widely used in the automotive industry due to their properties of a high balance of strength and formability. However, it is known that conventional welding of high strength steel leads to some undesirable results such as hardness decrease in the heat affected zone. Friction stir welding (FSW) is a new solid state joining method, which is used to join these steels due to its advantage of low heat input. The aim of this study is to evaluate the microstructural change and mechanical properties of friction stir welded DP800 steel. Design/methodology/approach: D

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Hashim, Syed Alay, Srinibas Karmakar, Arnab Roy, and Muazu Abubakar. "Evaluation of Boron Combustion for Ducted Rocket Applications Using Condensed Product Analysis." Defence Science Journal 74, no. 2 (2024): 278–87. http://dx.doi.org/10.14429/dsj.74.18685.

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Boron, a metalloid, produces high energy upon combustion. It is recommended as an ingredient for fuel or propellant in rocket propulsion, despite the challenge of extracting its full thermal energy. So far no one has claimed the complete energy conversion of boron upon combustion. On the other hand, the current propulsion system of the Meteor missile uses boron-loaded propellant. The boron-loaded propellant provides an approximately three-fold increase in specific impulse compared to conventional propellants. The present study focuses on boron-HTPB-based solid fuels impregnated with early igni

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M Manalu, Friska, and Juniar Hutahaean. "PEMETAAN PERMUKAAN DASAR PERAIRAN DANAU TOBA DESA SIBAGANDING KECAMATAN GIRSANG SIPANGAN BOLON MENGGUNAKAN PERANGKAT SONAR." EINSTEIN e-JOURNAL 10, no. 3 (2022): 48. http://dx.doi.org/10.24114/einstein.v10i3.39515.

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Penelitian ini bertujuan untuk memberikan informasi kedalaman perairan di daerah Sibaganding kepada masyarakat serta hasil visualisasi topografi kedalaman perairan. Teknik pengambilan data menggunakan sensor sonar Garmin Aquamap 80XS diletakkan di lambung kapal hingga mengenai air dan menentukan lintasan yang akan diteliti. GPS dipasang untuk menerima sinyal, tidak boleh terhalang, dan bekerja pada ruangan terbuka. GPS bekerja pada referensi waktu sangat teliti yang memancarkan data menunjukkan lokasi dan waktu. Pada saat kapal berjalan, sinyal pulsa yang dipancarkan oleh radar akan diterima o

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Asokan, Arunchander, Shada Abu Khalla, and Matthew E. Suss. "(Digital Presentation) Electrocatalytic Evaluation of Atomically Dispersed Cobalt on to Boron-Nitrogen Co-Doped Carbon as Chloride Tolerant Cathodes for Desalination Fuel Cells." ECS Meeting Abstracts MA2022-02, no. 42 (2022): 1605. http://dx.doi.org/10.1149/ma2022-02421605mtgabs.

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In recent years, the demand on drinking water escalates the research on desalination technology. Existing desalination technologies utilize fossil fuel driven electricity which gains the researchers attention to develop the use of renewable resources. To address this, we have developed a novel device named desalination fuel cell (DFC), [1] that simultaneously desalinate the feed water and generate electricity by the anodic hydrogen oxidation and cathodic oxygen reduction. The bottleneck of DFC performance largely depends on oxygen reduction reaction (ORR) [2] and requires highly active catalys

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Ullah, Izhar, Mithat DİREK, and Dina Chamidah. "EFFECT OF BORON ON GROWTH AND SEED YIELD OF PEA CULTIVARS." Journal of Natural Sciences and Learning 3, no. 1 (2024): 38–64. http://dx.doi.org/10.30742/jnsl.v3i1.137.

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An experiment was conducted to know the “Effect of boron on growth and seed yield of pea cultivars” under the agro climatic conditions of Palosi Peshawar at the Horticulture Research Farm, The University of Agriculture Peshawar, during 2022. Experiment was laid out in randomized complete block design with split plot arrangement and replicated three times. The experiment consisted of two factors: First factor was different levels of boron, control, 0.50%, 0.75%, 1.0 %, and boron were added to the main plot, while the other was the pea cultivars Climax, Leena Pak, and Meteor, which were planted

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Kashiwagi, Hideki, Shinji Kawabata, Kenichiro Eza, et al. "10162- TB-6 VALIDATION OF BORON NEUTRON CAPTURE THERAPY WITH EXISTING BORON COMPOUNDS IN A RAT MALIGNANT GLIOMA MODEL." Neuro-Oncology Advances 6, Supplement_4 (2024): iv6. http://dx.doi.org/10.1093/noajnl/vdae173.022.

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Abstract BACKGROUND Boron neutron capture therapy (BNCT) is a biologically targeted particle therapy that utilizes the capture reaction between boron and neutrons. Theoretically, tumor cell-selective boron uptake allows for tumor-selective therapy. Recently, BNCT using an accelerator neutron source has been initiated in the area of head and neck cancers and is expected to expand its application to brain tumors. In addition to boronophenylalanine (BPA), which is used in clinical practice, clinical trials for malignant gliomas have been conducted in the past using sodium borocaptate (BSH) in com

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Krismono, Adriani Sri Nastiti, and A. S. Sarnita. "PENILAIAN ULANG LIMA LOKASI SUAKA PERIKANAN DI DANAU TOBA BERDASARKAN KUALITAS AIR DAN PARA METER PERIKANAN LAINNYA." Jurnal Penelitian Perikanan Indonesia 9, no. 3 (2017): 1. http://dx.doi.org/10.15578/jppi.9.3.2003.1-11.

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Penelitian ini bertujuan untuk menilai ulang lima suaka (reservat) perikanan di Danau Toba berdasarkan pada kualitas air dan parameter perikanan lainnya. Kelima reservat perikanan yang dinilai ulang adalah: Suaka Tiga Raja, Kecamatan Girsang S.P. Bolon (Stasiun l), Suaka Sitanggang Bao, Kecamatan pangururan (S-tasiun ll), Suaka Lumban Gaol, Kecamatan Balige (Stasiun lll), Suaka Bakklra, Kecamtan Muara (stasiun VI) Suaka Togging, Kecamatan Merek (Stasiun V).

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Suardi, Suardi, Wira Setiawan, Muhammad Uswah Pawara, Andi Mursid Nugraha Arifuddin, Alamsyah Alamsyah, and Widya Yulia Astin. "PERAMALAN BEBAN PENERANGAN KAPAL RO-RO 32.45 METER MENGGUNAKAN METODE ZCM (ZONAL CAVITY METHOD)." Jurnal Media Elektrik 20, no. 3 (2023): 45. http://dx.doi.org/10.59562/metrik.v20i3.48604.

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Sistem penerangan di atas kapal penumpang kapal ro-ro 32.45 meter masih menggunakan lampu fluorescent atau biasa disebut sebagai lampu neon, lampu ini dipandang kurang efektif mengingat berbagai penelitian menyebutkan bahwa lampu fluorescent memiliki dampak negatif berupa kandungan mercury yang membahayakan lingkungan dan daya yang lebih boros dibandingkan dengan menggunakan lampu LED. tujuan dari penelitian ini adalah mengkaji tingkat penghematan daya generator untuk penerangan setelah mengganti lampu fluorescent menjadi lampu LED. metode yang digunakan dalam penelitian adalah metode lumen at

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Suardi, Suardi, Wira Setiawan, Muhammad Uswah Pawara, Andi Mursid Nugraha Arifuddin, Alamsyah Alamsyah, and Widya Yulia Astin. "PERAMALAN BEBAN PENERANGAN KAPAL RO-RO 32.45 METER MENGGUNAKAN METODE ZCM (ZONAL CAVITY METHOD)." Jurnal Media Elektrik 20, no. 3 (2023): 45–51. http://dx.doi.org/10.59562/metrik.v20i3.5554.

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Sistem penerangan di atas kapal penumpang kapal ro-ro 32.45 meter masih menggunakan lampu fluorescent atau biasa disebut sebagai lampu neon, lampu ini dipandang kurang efektif mengingat berbagai penelitian menyebutkan bahwa lampu fluorescent memiliki dampak negatif berupa kandungan mercury yang membahayakan lingkungan dan daya yang lebih boros dibandingkan dengan menggunakan lampu LED. tujuan dari penelitian ini adalah mengkaji tingkat penghematan daya generator untuk penerangan setelah mengganti lampu fluorescent menjadi lampu LED. Metode yang digunakan dalam penelitian adalah metode lumen at

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Sung, Si Hyeong, and Hee Reyoung Kim. "Development of accuracy enhancement system for boron meters using multisensitive detector for reactor safety." Nuclear Engineering and Technology 52, no. 3 (2020): 538–43. http://dx.doi.org/10.1016/j.net.2019.08.004.

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Galichkina, E. A., S. M. Nadezhdkin, and D. A. Makarenkov. "Use of water-soluble microfertilizers for growing meteor table variety watermelon." Vegetable crops of Russia, no. 4 (July 19, 2023): 87–91. http://dx.doi.org/10.18619/2072-9146-2023-4-87-91.

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Relevance. In connection with the introduction of various types of chelated microfertilizers into production, it is necessary to develop new elements of varietal technology for the cultivation of melons and gourds in order to obtain stable yields in the arid conditions of the Volgograd Trans-Volga region. These studies will be relevant in this period of time.Material and technique. The object of research is watermelon, variety Meteor. We studied the types and methods of using chelate microfertilizers: Helaton Extra, Chelate B, Chelate Fe. Fertilizers were used for soaking seeds before sowing a

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Isrofi, Azis, Shoffin Nahwa Utama, and Oddy Virgantara Putra. "RANCANG BANGUN ROBOT PEMOTONG RUMPUT OTOMATIS MENGGUNAKAN WIRELESS KONTROLER MODUL ESP32-CAM BERBASIS INTERNET of THINGS (IoT)." Jurnal Teknoinfo 15, no. 1 (2021): 45. http://dx.doi.org/10.33365/jti.v15i1.675.

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Teknologi robotika dewasa ini telah mengalami perkembangan yang pesat. Perkembangan teknologi robotika ini dapat membantu pekerjaan manusia. Salah satu pekerjaan manusia yang dapat dibantu oleh robot adalah memotong rumput. Pada penelitian yang dilakukan oleh Fajar Rinto Hadi Putra, Tri Kuntoro Priyambodo dan Jecky Yusakh Akay tentang robot dapat dikontrol pada jarak optimal tidak lebih dari 7,2 meter dan kecepatan mata pisau pemotong rumput tidak dapat dikontrol, sehingga baterai menjadi boros. Tujuan dari penelitian ini ialah merancang sebuah prototype robot pemotong rumput menggunakan wirel

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LATIFAH, NUR LAELA, and ERWIN YUNIAR RAHADIAN. "Energy Saving Building Strategies through The Application of Solar Control Glass." ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika 8, no. 2 (2020): 388. http://dx.doi.org/10.26760/elkomika.v8i2.388.

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ABSTRAKSesuai dengan konsep Green Building, desain bangunan harus memperhatikan penghematan energi operasional bangunan. Semakin besar beban termal, maka semakin boros konsumsi energi listrik. Salah satu cara untuk menurunkan energi listrik adalah dengan mengurangi beban termal eksternal, sehingga pemilihan jenis solar control glass merupakan aspek yang sangat penting. Metoda analisis dilakukan secara kuantitatif. Sebagai kasus studi yaitu Gedung Kantor Pengelola Bendungan Sei Gong di Batam, dan berdasarkan perhitungan Calculator OTTV akan ditentukan alternatif solar control glass yang tepat a

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Rahmatullah Saepudin Putra, Rizky Iqbal, Cece Suhendi, and Asti Maulani Lestari. "PERENCANAAN GEDUNG SEKOLAH MENENGAH ATAS DENGAN SISTEM PELAT SATU ARAH DAN DUA ARAH." Jurnal TESLINK : Teknik Sipil dan Lingkungan 1, no. 2 (2020): 15–22. http://dx.doi.org/10.52005/teslink.v1i2.12.

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Pelat merupakan salah satu komponen struktur yang memiliki peran penting dalam meningkatkan fungsi kegunaan bangunan. Dalam pelaksanaannya, pelat dapat dibagi menjadi dua yaitu sistem pelat satu arah dan sistem pelat dua arah. Perbedaannya terletak pada asumsi distribusi beban yang disalurkan ke balok. Pada beberapa model bangnunan, terdapat model yang hanya cocok dengan sistem pelat dua arah, begitu pun sebaliknya. Oleh karena itu perlu dilakukan studi perbandingan dilihat dari segi efisiensi biaya dan kebutuhan material. Pengambilan data dilakukan dengan observasi langsung ke lapangan untuk

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Amina Ali Auta and Samuel Chinda Gabriel. "Determination of the Potential of Hydrogen (pH) level and sensory evaluation of locally produced beverages in Maiduguri, Borno State Nigeria." World Journal of Advanced Research and Reviews 25, no. 1 (2025): 2227–23. https://doi.org/10.30574/wjarr.2025.25.1.0285.

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This study determines the pH values and evaluates the sensory attributes of five locally produced beverages: Ginger, Zobo, Kunu Aya, Tamarind, and Kunu Zaki. pH meter was used to determine the pH of each sample and panelists were source from student in the laboratory for evaluating the sensory attributes. pH measurements readings ranged from 4.27 to 5.00, indicating varying levels of acidity. Kunu Aya, with the highest mean pH of 5.00, was the least acidic, while Zobo, with a mean pH of 4.27, was the most acidic. The pH levels of the beverages were measured using a digital pH meter. Ginger, Ta

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