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Artykuły w czasopismach na temat „Bulk Density and Specific Density”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Umakant, N. Rabb. "Assessment of density and specific gravity tests of some selected Ayurvedic medicinal plants." GSC Biological and Pharmaceutical Sciences 26, no. 3 (2024): 006–13. https://doi.org/10.5281/zenodo.11044307.

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The <em>Guna</em>(Static properties) in common terms known as properties or qualities. There are 41 <em>Gunas </em>in <em>Ayurvedc </em>classics. Among them the <em>Gurvadi Gunas </em>and <em>Paradi Gunas </em>are used in the various treatment measures. The <em>Guru </em>is known as heaviness. <em>Gurutwa </em>is correlated with Gravity in modern science. <em>Parthiva </em>and <em>Apya Mahabhuta </em>are responsible for this <em>Guru Guna.</em> The <em>Guru </em>drugs act as <em>Brumha

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2

Rahmana, Indra, Dewi Ananda Mucra, and Dewi Febrina. "KUALITAS FISIK PELET AYAM BROILER PERIODE AKHIR DENGAN PENAMBAHAN FESES TERNAK DAN BAHAN PEREKAT YANG BERBEDA." JURNAL PETERNAKAN 13, no. 1 (2016): 33. http://dx.doi.org/10.24014/jupet.v13i1.2387.

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The study aimed to know the physical quality of pellets for finisher period added different feces and adhesive matter. The experiment design was randomized complety block design factorial (RCBD) with two factors and three replications. The first factor was feces (goat feces, cattle feces, buffalo feces) and the second factor was adhesive matter (tapioca flour, eeg white, sago flour). Physical observation were water content, specific gravity, bulk density, compressed bulk density, angle of repose, and the durability of pellet. The result showed that addition type feces influenced water content,

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3

Umakant, N. Rabb. "Determination of specific gravity and density tests of sariva (Hemidesmus indicus R.Br. Asclepidaceae /Apocynacae)." GSC Biological and Pharmaceutical Sciences 25, no. 2 (2023): 187–90. https://doi.org/10.5281/zenodo.10609232.

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<em>Hemidesmus indicu</em><em>s </em>plant found in South Asia. It occurs over the greater part of India, from the upper gangetic plain eastwards to Assam and in some places in central, western and South India. It is also known as called <em>A</em><em>nanthamoola</em>, also known locally in Southern India as <em>naruneendi</em> or <em>nannari</em>. It act as <em>Stanya Shodhana</em> and potent blood purifier. Both types of <em>Sariva  (Hemidesmus indicus) </em>are <em>Swadu </em> (Sweet), <em>Snigdha

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4

Marbun, Febrina Grace Ivonne, Rahmat Wiradimadja, and Iman Hernaman. "PENGARUH LAMA PENYIMPANAN TERHADAP SIFAT FISIK DEDAK PADI." JURNAL ILMIAH PETERNAKAN TERPADU 6, no. 3 (2019): 163. http://dx.doi.org/10.23960/jipt.v6i3.p163-166.

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The study aimed to determine the effect of storage time on the physical characteristics of rice bran. The study was carried out by the experimental method using a randomized block design with 5 treatments and 4 replications. The treatments used were the length of storage, namely 0, 1, 2, 3, and 4 weeks. The variables observed were the physical properties of rice bran which included specific density, bulk density, and compact bulk density and moisture content. The collected data was analysis of variance (ANOVA) and continued with the Duncan’s test. The results showed that the storage time from

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5

Retnani, Yuli, Dimar Wigati, and Abdul Djamil Hasjmy. "Pengaruh Jenis Kemasan dan Lama Penyimpanan terhadap Serangan Serangga dan Sifat Fisik Ransum Broiler Starter Berbentuk Crumble." Jurnal Ilmiah Ilmu-Ilmu Peternakan 12, no. 3 (2009): 137–45. http://dx.doi.org/10.22437/jiiip.v0i0.176.

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Storage of feedstuff is required because development of farm must be made balance with availability of adequate feedstuff. Storage will influence physical properties of feedstuff. Packaging is the one of methods to take care product. Damage by environment can be controlled by packaging. This study was arranged in a Completely Randomize Design with factorial design (4x5) with four replications. The first factor was packaging type (guny sack, plastic sack, paper packaging, and plastic packaging). The second factor was storage (0, 2, 4, 6, 8 weeks). The parameters observed were: water content, wa

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6

Asoiro, FU, and CJ Ohagwu. "SOME MOISTURE DEPENDENT THERMAL PROPERTIES AND BULK DENSITY OF Prosopis Africana SEEDS (OKPEYE)." Nigerian Journal of Technology 36, no. 3 (2017): 936–43. http://dx.doi.org/10.4314/njt.v36i3.38.

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The thermal heat conductivity, specific heat capacity, thermal heat diffusivity and bulk density of Prosopis africana seeds were determined as a function of moisture content. Specific heat capacity was measured by the method of mixture while the thermal heat conductivity was measured by the guarded hot plate method. Thermal heat diffusivity was calculated from the experimental results obtained from specific heat capacity, thermal heat conductivity and bulk density. The bulk density for Prosopis africana (PA) seeds decreased from 890kg m-3 to 590kg m-3 as moisture content increased from 4 to 20

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7

Retnani, Yuli, Yanti Harmiyanti, Diah Ayu Purnawati Fibrianti, and Lidy Herawati. "Pengaruh Penggunaan Perekat Sintetis terhadap Ransum Ayam Broiler." Jurnal Agripet 9, no. 1 (2009): 1–9. http://dx.doi.org/10.17969/agripet.v9i1.393.

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The effect of using synthetic binder on physical quality of chicken rationABSTRACT. The purpose of this study was learn about the influence added lignosulfonate and bentonite by some processes production on physical characteristics of pellet form ration. The experimental design had used a Randomized Completely Design with 4 x 3 factorial and 3 replocats. Factor A were processes production, i.e : A0 = without processing, A1 = added 5% water spraying, A2 = added 5% hot water spraying and A3 = steam 45 minute on 1000C and pressure 1.7-1.8 kg/cm2. Factor R were added binder, i.e: R0 = control rati

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8

Syahniar, TM, M. Andriani, Nurkholis, N. Ningsih, and D. Lestari. "Physical characteristics of various green feed crackers as a small-ruminant supplement." IOP Conference Series: Earth and Environmental Science 1446, no. 1 (2025): 012042. https://doi.org/10.1088/1755-1315/1446/1/012042.

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Abstract Purposes of this research were to evaluate dimensions and physical characteristics of various green feed crackers as a small-ruminant supplement. It was made using Odot grass (T1), Gliricidia leaves (T2), Leucaena leaves (T3), mixture of Gliricidia and Leucaena (T4), and 2 other formulations of legume mixture with other feed ingredients (T5 and T6). They were designed using a pattern of Completely Randomized Design (CRD) into 6 treatment levels with 3 replications. Each level treatment was mixed with molasses, homogenized, molded using a quadrangle-shaped mold containing 9 pieces with

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9

S. K. Jha and Amar Singh. "Physical and Thermal Properties of Untreated and Chemically Treated Rice Husk." Journal of Agricultural Engineering (India) 44, no. 4 (2007): 48–53. http://dx.doi.org/10.52151/jae2007444.1299.

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Moisture depe'1dent physical and thermal properties of untreated, acid and alkali treated rice husk were evaluated in the moisture range of 5 to 35% (db). Moisture content had significant effect on the physical and thermal properties of rice husk. A significant difference in each property was found between untreated, acid and alkali treated husk. Bulk density of untreated, acid treated and alkali treated husk varied from 98-106.5, 91.5-102 and 59-64 kglm3 whereas the corresponding values of true density, angle of repose, specific heat, thermal conductivity and thermal diffusivity varied as 100

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10

Liu, Min, De Ping Chen, and Jing Yu Liu. "Carbon Dioxide Curing of Foam Concrete with Different Bulk Densities." Advanced Materials Research 374-377 (October 2011): 1764–69. http://dx.doi.org/10.4028/www.scientific.net/amr.374-377.1764.

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Carbon dioxide curing was adopted to accelerate the hydration of foam concrete samples with a lower bulk density level of around 450 kg/m3 and a higher level of around 1150 kg/m3. The bending strength, compressive strength and ultrasonic transmission velocity of carbonated harden foam concrete were tested, the hydration products were analyzed by means of XRD and TG/DSC. The results show as: (1) By comparing with standard curing samples, there are more than 47% increments of specific strengths of carbonated foam concrete with the higher density level at a certain curing time before 14d. However

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11

Estrada-Díaz, Jorge A., Alex Elías-Zúñiga, Oscar Martínez-Romero, J. Rodríguez-Salinas, and Daniel Olvera-Trejo. "A Mathematical Dimensional Model for Predicting Bulk Density of Inconel 718 Parts Produced by Selective Laser Melting." Materials 14, no. 3 (2021): 512. http://dx.doi.org/10.3390/ma14030512.

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In this work, dimensional analysis is used to develop a general mathematical model to predict bulk density of SLMed components taking volumetric energy density, scanning speed, powder’s thermal conductivity, specific heat capacity, and average grain diameter as independent variables. Strong relation between dependent and independent dimensionless products is observed. Inconel 718 samples were additively manufactured and a particular expression, in the form of a power-law polynomial, for its bulk density, in the working domain of the independent dimensionless product, was obtained. It is found

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12

Voronov, German V., and Il'ya V. Glukhov. "Specific Features of Thermal Performance of the Arc Steel Furnace in Unstable Properties Conditions of Burden Materials." Materials Science Forum 989 (May 2020): 486–91. http://dx.doi.org/10.4028/www.scientific.net/msf.989.486.

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In the production of steel in a state-of-the art arc furnace, there are two serious issues, resulting from a decrease in bulk density of burden materials, and an increase in non-ferrous metals concentration. The paper presents the analysis results of changes in the chemical composition of iron-containing materials related with an increase in the content of non-ferrous metals: copper, tin, lead, antimony and unspecified metals in a given steel grade and a decrease in the bulk density of burden materials. A method of reducing impurities by means of using pellets produced from natural raw materia

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13

Foldal, Cecilie, Robert Jandl, Andreas Bohner, and Ambros Berger. "Deriving regional pedotransfer functions to estimate soil bulk density in Austria." Die Bodenkultur: Journal of Land Management, Food and Environment 71, no. 4 (2020): 241–52. http://dx.doi.org/10.2478/boku-2020-0020.

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Summary Soil bulk density is a required variable for quantifying stocks of elements in soils and is therefore instrumental for the evaluation of land-use related climate change mitigation measures. Our motivation was to derive a set of pedotransfer functions for soil bulk densities usable to accommodate different levels of data availabilities. We derived sets of linear equations for bulk density that are appropriate for different forms of land-use. After introducing uncertainty factors for measured parameters, we ran the linear models repeatedly in a Monte Carlo simulation in order to test the

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14

Umakant N. Rabb. "Assessment of density and specific gravity tests of some selected Ayurvedic medicinal plants." GSC Biological and Pharmaceutical Sciences 26, no. 3 (2024): 006–13. http://dx.doi.org/10.30574/gscbps.2024.26.3.0076.

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The Guna(Static properties) in common terms known as properties or qualities. There are 41 Gunas in Ayurvedc classics. Among them the Gurvadi Gunas and Paradi Gunas are used in the various treatment measures. The Guru is known as heaviness. Gurutwa is correlated with Gravity in modern science. Parthiva and Apya Mahabhuta are responsible for this Guru Guna. The Guru drugs act as Brumhana(Nourishing as well as help to increase the mass of the tissues), Anuloman(Mild laxative). The exact opposite action of Guru drug is seen in Laghu Dravya. The Laghu drugs give Lightness to the body, as it is lig

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15

Parvin, Nargish, and Aurore Degré. "Soil-specific calibration of capacitance sensors considering clay content and bulk density." Soil Research 54, no. 1 (2016): 111. http://dx.doi.org/10.1071/sr15036.

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Soil hydrology research requires the accurate measurement of soil water content. Recently, less expensive capacitance sensors (CS) have become popular for the measurement of soil moisture across soil profiles, but these sensors need to be calibrated for precise results. The purpose of the present study was to determine the effect of clay content and bulk density (ρb) on the calibration of CS. Two different CS (10HS and 5TM) were considered for the study. Clay content and ρb of the soils were determined from two different sites and from three different depths (0–5, 25–30 and 50–60 cm) of an exp

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16

Zhang, Meng’en, Shuting Dai, Saima Gul, Lizhi He, Hanbo Chen, and Dan Liu. "Effect of Plow Pan on the Redistribution Dynamics of Water and Nutrient Transport in Soils." Sustainability 16, no. 20 (2024): 8859. http://dx.doi.org/10.3390/su16208859.

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Plow pans are an essential part of the agricultural soil structure. By adjusting the soil bulk density and plow pan height, the water and nutrient transport are dynamically redistributed. Plow pans play a crucial role in promoting crop growth, increasing yields, and supporting sustainable land management. In this study, a column experiment was conducted to investigate the effects of plow pan height (10 cm and 15 cm) and bulk density (1.2, 1.4, and 1.6 g cm⁻3) on soil nutrient and water leaching under high-volume (HV) and low-volume (LV) fertilizer applications. The results reveal that the leac

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17

Ren, Jian Hua, Wei Wang, and Jian Guo Ren. "New Technology Research on Granulation of Methyl Cellulose." Key Engineering Materials 467-469 (February 2011): 1911–16. http://dx.doi.org/10.4028/www.scientific.net/kem.467-469.1911.

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Methyl Cellulose (MC) is a kind of water-solubility and non-ionic cellulose ethers, which has been used widely. Currently, the small bulk density and the slowly dissolving velocity are the main deficiencies of Methyl Cellulose. These two deficiencies of Methyl Cellulose can not meet the need of efficient working. The way of improving the fluidity and dissolution deficiency may be to increase bulk density and granulation. Current granulation method of Methyl Cellulose is logical but with low efficiency and high cost .So, it is necessary to develop a new technology to produce Methyl Cellulose gr

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18

Stephen, J. Mallo, and A.Umbugadu Alu. "GEOTECHNICAL STUDY OF THE PROPERTIES OF SOILS: A CASE STUDY OF NASSARAWA – EGGON TOWN AND ENVIRONS, NORTHERN NIGERIA." Continental J. Earth Sciences 7, no. 1 (2012): 40–47. https://doi.org/10.5281/zenodo.833425.

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The principal objective in geotechnical testing is to know the properties and behavior of soil as an engineering material. The performance of soil in engineering practice is greatly influenced by the natural environmental conditions and conditions imposed by construction of structures. The aim of soil testing is to obtain reasonably representative values of the soil properties that are reliable and have direct and significant bearing upon the solution of the practical problems involved especially in various aspects of civil engineering. This important more so that Nasarawa State is relatively

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19

Lewis, Micah A., and Samir Trabelsi. "Use of a Microwave Sensor to Monitor Bulk Density during Grain Drying." Applied Engineering in Agriculture 39, no. 3 (2023): 359–66. http://dx.doi.org/10.13031/aea.15452.

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Highlights An eighth-scale grain drying system was used to monitor real-time change of bulk density in a bed of wheat during drying. Density was determined from dielectric properties measured by a microwave sensor at the center of the bed. Density was simulated at other locations by modeling heat and mass transfer. Root mean square error (RMSE) when comparing the simulated results to the empirical results at the center of the bed was 0.0054 g/cm3. Abstract. Agricultural commodities such as cereal grains, oilseeds, and nuts are dried before and during storage to minimize, if not prevent, degrad

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20

Page-Dumroese, Deborah S., Martin F. Jurgensen, Allan E. Tiarks, et al. "Soil physical property changes at the North American Long-Term Soil Productivity study sites: 1 and 5 years after compaction." Canadian Journal of Forest Research 36, no. 3 (2006): 551–64. http://dx.doi.org/10.1139/x05-273.

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The impact of forest management operations on soil physical properties is important to understand, since management can significantly change site productivity by altering root growth potential, water infiltration and soil erosion, and water and nutrient availability. We studied soil bulk density and strength changes as indicators of soil compaction before harvesting and 1 and 5 years after harvest and site treatment on 12 of the North American Long-Term Soil Productivity sites. Severe soil compaction treatments approached root-limiting bulk densities for each soil texture, while moderate compa

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21

Castro, Chris D., and Germán C. Quintana. "Mixture Design Approach on the Physical Properties of Lignin-Resorcinol-Formaldehyde Xerogels." International Journal of Polymer Science 2015 (2015): 1–11. http://dx.doi.org/10.1155/2015/272851.

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Organic xerogels were functionalized by incorporating sugarcane bagasse lignin from soda pulping black liquor, not used so far in this materials, with the aim of introducing new functional groups on traditional gels that could improve its adsorptive capacity. Two mixing designs were applied to identify the reactive combinations that allow a well gel formation and to adjust models that predict physical properties. The designs study five components: resorcinol (R, 0.04–0.3), lignin (L, 0.004–0.14), formaldehyde (F, 0.08–0.17), water (W, 0.45–0.8), and NaOH (C, 0.0003–0.0035). The first experimen

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22

Alphonso Nwabueze Nwachukwu. "Assessing changes in selected Geotechinical properties of clay soil contaminated with diesel oil." World Journal of Advanced Research and Reviews 23, no. 3 (2024): 161–66. http://dx.doi.org/10.30574/wjarr.2024.23.3.2609.

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This research work studied the impact of diesel oil contamination on the geotechnical properties of clay soil, which is crucial for understanding how such contamination can affect soil behavior in construction and environmental contexts. A series of tests were conducted to analyze key properties, including liquid limit (LL), plastic limit (PL), plasticity index (PI), specific gravity, bulk density, maximum dry density (MDD), and optimum moisture content (OMC) across various levels of diesel contamination. The findings reveal significant changes in the soil’s characteristics due to diesel conta

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23

Alphonso, Nwabueze Nwachukwu. "Assessing changes in selected Geotechinical properties of clay soil contaminated with diesel oil." World Journal of Advanced Research and Reviews 23, no. 3 (2024): 161–66. https://doi.org/10.5281/zenodo.14909215.

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This research work studied the impact of diesel oil contamination on the geotechnical properties of clay soil, which is crucial for understanding how such contamination can affect soil behavior in construction and environmental contexts. A series of tests were conducted to analyze key properties, including liquid limit (LL), plastic limit (PL), plasticity index (PI), specific gravity, bulk density, maximum dry density (MDD), and optimum moisture content (OMC) across various levels of diesel contamination. The findings reveal significant changes in the soil’s characteristics due to diesel

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24

Banach, Marcin, Zygmunt Kowalski, Zbigniew Wzorek, and Katarzyna Gorazda. "A chemical method of the production of "heavy" sodium tripolyphosphate with the high content of Form I or Form II." Polish Journal of Chemical Technology 11, no. 2 (2009): 13–20. http://dx.doi.org/10.2478/v10026-009-0018-x.

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A chemical method of the production of "heavy" sodium tripolyphosphate with the high content of Form I or Form II Sodium tripolyphosphate STPP is used in laundry detergent as a detergent "builder". The paper presents the chemical method of obtaining "heavy", i.e. with higher bulk density granulated sodium tripolyphosphate. The bulk density of sodium tripolyphosphate was increased by preparing a mixture of the dried sodium phosphates, the recycled subgrain of STPP and water in specific proportions and calcining this mixture for 1 hour at 400°C and 550°C (to obtain a proper STPP form) in the cha

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25

Pumple, Joel, Alistair Monteath, Jordan Harvey, et al. "Non-destructive multi-sensor core logging allows for rapid imaging and estimation of frozen bulk density and volumetric ice content in permafrost cores." Cryosphere 18, no. 1 (2024): 489–503. http://dx.doi.org/10.5194/tc-18-489-2024.

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Abstract. Permafrost cores provide physical samples that can be used to measure the characteristics of frozen ground. Measurements of core physical properties, however, are typically destructive and time intensive. In this study, multi-sensor core logging (MSCL) is used to provide a rapid (∼2–3 cm core depth per minute), high-resolution, non-destructive method to image and collect the physical properties of permafrost cores, allowing for the visualization of cryostructures and estimation of frozen bulk density, magnetic susceptibility, and volumetric ice content. Six permafrost cores with diff

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26

Meenakshi, Chandra, and Shrivastava A.K. "Role of Microwave Remote Sensing Dielectric Behavior of Soil: A Need of an Hour." APPLIED SCIENCE PERIODICAL XXV, no. 4, November 2023 (2023): 31–39. https://doi.org/10.5281/zenodo.13951492.

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           <em>An attempt has been made to focus on role of microwave remote sensing dielectric behaviour of soil by the author. Soil has several properties such a textural analysis particle density, dry bulk density, total wet bulk density, specific volume, porosity, soil water volume ratio, degree of saturation, air filled porosity, total porosity, soil structure, soil colour consisting, soil plasticity, soil compaction, soil crusting hydration, swelling, specific surface soil conditions soil water energetics total soil water, potential, gravitational potential,

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Liliana, Abertun Sagit Sahay, and Supiyan. "ADDITION OF BENDRAT WIRE TO THE FIBER CONCRETE MIXTURE WITH ARTIFICIAL COARSE AGGREGATE MADE FROM TANGKILING CLAY, PALANGKA RAYA CITY." BALANGA: Jurnal Pendidikan Teknologi dan Kejuruan 13, no. 1 (2025): 30–36. https://doi.org/10.37304/balanga.v13i1.18852.

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This study evaluates the physical properties, bulk density, water absorption, and specific gravity of artificial coarse aggregate derived from Tangkiling clay, Palangka Raya City, as well as the effect of wire fiber addition on the mechanical properties of fiber concrete. The artificial coarse aggregate was produced by firing clay at a temperature of 1000°C, resulting in rounded aggregate shapes. The bulk density of the aggregate in a loose condition was recorded at 889 kg/m³, while the water absorption was 13.69%. The specific gravity in dry and saturated surface-dry conditions was 1.260 and

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Sun, Peng, Zhi Xin Shang, Guo Sheng Gai, Cheng Bao Wu, and Yu Fen Yang. "Research on Pulverizing Characteristic of Woody Biomass by Cutting Mill." Advanced Materials Research 454 (January 2012): 261–67. http://dx.doi.org/10.4028/www.scientific.net/amr.454.261.

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To investigate the pulverizing characteristic of wood biomass, the dried woody chip with moisture content of 0wt % were chose as the raw material, cutting mill was used to pulverize the wood biomass at different feed rates, the particle sizes (characteristic particle size and average particle size), uniformity coefficient, density, aspect ratio of wood powder and the specific energy consumption were measured, the morphology of the woody particle was observed by SEM (Scanning Electron Microscope), the pulverizing mechanism was also discussed. The results indicate that the specific energy consum

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J. W., TAMBUNAN, I. HERNAMAN, B. AYUNINGSIH, and U. ROSANI. "PHYSICAL PROPERTIES AND RED COLOR VALUE IN QUALITY TESTING MIXTURE OF RICE BRAN AND SAWDUST." Majalah Ilmiah Peternakan 28, no. 1 (2025): 6. https://doi.org/10.24843/mip.2025.v28.i01.p02.

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This study aims to determine the effect of the addition sawdust with rice bran on the physical properties and red color value. This research used a Completely Randomized Design (CRD) with 5 treatments and repeated 6 times. The levels of sawdust addition in the treatments were P0 = 0%, P1 = 10%, P2 = 20%, P3 = 30%, and P4 = 40%. The variables observed were particle specific gravity, bulk density, porosity, and red color value. The data were analyzed using analysis of variance (ANOVA) followed by Dunnet test with P0 as the control treatment, and correlation and regression tests. The results show

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KISHNÉ, A. SZ, C. L. S. MORGAN, H. C. CHANG, and L. B. KISH. "VIBRATION-INDUCED CONDUCTIVITY FLUCTUATION MEASUREMENT FOR SOIL BULK DENSITY ANALYSIS." Fluctuation and Noise Letters 07, no. 04 (2007): L473—L481. http://dx.doi.org/10.1142/s0219477507004112.

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Soil bulk density is a physical property of soils that affects water storage, water and nutrient movement, and plant root activity in the soil profile. The ability to quantify soil bulk density using vibration-induced conductivity fluctuation was investigated with possible field applications in the future. The AC electrical conductance of soil was measured using a pair of blade-like electrodes while exposing to periodic vibration. The blades were positioned longitudinally and transversally to the direction of the induced vibration to enable the calculation of a normalized index. This normalize

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Milbrandt, Jason A., and Hugh Morrison. "Prediction of Graupel Density in a Bulk Microphysics Scheme." Journal of the Atmospheric Sciences 70, no. 2 (2013): 410–29. http://dx.doi.org/10.1175/jas-d-12-0204.1.

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Abstract A method to predict the bulk density of graupel ρg has been added to the two-moment Milbrandt–Yau bulk microphysics scheme. The simulation of graupel using the modified scheme is illustrated through idealized simulations of a mesoscale convective system using a 2D kinematic model with a prescribed flow field and different peak updraft speeds. To examine the relative impact of the various approaches to represent rimed ice, simulations were run for various graupel-only and graupel-plus-hail configurations. Because of the direct feedback of ρg to terminal fall speeds, the modified scheme

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Naumov, K. D., and V. G. Lobanov. "Physical Properties Variability of Zinc Powders Obtained by Electrochemical Method." Solid State Phenomena 316 (April 2021): 689–93. http://dx.doi.org/10.4028/www.scientific.net/ssp.316.689.

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The aim of this paper is to establish a regulatory change of zinc powders key physicochemical properties with varying electroextraction conditions. It was studied influence zinc concentration, alkali concentration and current density. Quantitative dependencies of zinc powders particle size and specific surface area from mentioned electroextraction parameters are shown. At increasing of zinc concentration, decreasing of NaOH concentration and decreasing of current density of powders particle size growth, correspondingly specific surface area is declined. It is indicated, that electrolytic zinc

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Williams, Gary A. "Specific heat and superfluid density of bulk and confined4He near the λ-transition". Journal of Low Temperature Physics 101, № 3-4 (1995): 421–26. http://dx.doi.org/10.1007/bf00753331.

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Margiotta, Jesse C., Dajie Zhang, Dennis C. Nagle, and Caitlin E. Feeser. "Formation of dense silicon carbide by liquid silicon infiltration of carbon with engineered structure." Journal of Materials Research 23, no. 5 (2008): 1237–48. http://dx.doi.org/10.1557/jmr.2008.0167.

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Fully dense and net-shaped silicon carbide monoliths were produced by liquid silicon infiltration of carbon preforms with engineered bulk density, median pore diameter, and chemical reactivity derived from carbonization of crystalline cellulose and phenolic resin blends. The ideal carbon bulk density and minimum median pore diameter for successful formation of fully dense silicon carbide by liquid silicon infiltration are 0.964 g cm−3 and approximately 1 μm. By blending crystalline cellulose and phenolic resin in various mass ratios as carbon precursors, we were able to adjust the bulk density

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Wang, Xiong, Wenqian Kang, Lin Gao, Guangquan Li, Xuerong Chen, and Yi Guo. "Highly Flowable Nano TiO2/Porous Organic Polymer (POP) Supports for Efficient Metallocene Catalysts." Nanomaterials 11, no. 1 (2020): 60. http://dx.doi.org/10.3390/nano11010060.

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Porous organic polymers (POPs) have proven to be an efficient support in the olefin polymerization catalyst field. In this paper, nano TiO2 beads were used to modulate the pore structure, bulk density, and surface morphology and flowability of the prepared POPs. With the incorporation of the hydrophilic nano TiO2 beads, the prepared TiO2/POP supports obtained reasonable specific surface area (100–300 m2/g) and higher bulk density (0.26–0.35 g/mL) and flowability than the pure POP supports. The results show that bulk density of the prepared TiO2/POP particles increased when adding an increased

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Kumar, Pradeep, H. L. Kushwaha, Adarsh Kumar, et al. "Physio-engineering Properties of Seeds and Fertilizers for Design of Site-specific Seed Cum Fertilizer Applicator." Journal of Scientific Research and Reports 31, no. 1 (2025): 341–51. https://doi.org/10.9734/jsrr/2025/v31i12775.

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Field experiment on nutrient dynamics was conducted in the year 2022-23 and 2023-24 at the research farm of Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute (IARI) in New Delhi. Maize seed dimensions varied significantly across varieties, with mean length ranging from 8.24 mm (Kaveri Hybrid 25K55) to 12.42 mm (PUSA HQPM-5). Geometric mean diameter (GMD) and sphericity, indicators of seed shape, ranged from 7.00-7.53 mm and 0.64-0.77 mm, respectively. Coefficients of variation for GMD and sphericity were consistently below 10%. The angle of repose, reflectin

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Kaur, Gurkirat, Savita Sharma, and Baljit Singh. "Response Surface Analysis for Preparation of Modified Flours using Twin Screw Extrusion Cooking." International Journal of Food Engineering 10, no. 3 (2014): 503–10. http://dx.doi.org/10.1515/ijfe-2012-0112.

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Abstract Rice flour, wheat flour and flour in combination (rice:wheat::50:50) were used to prepare modified flour using co-rotating twin screw extruder. The effects of barrel temperature, feed moisture and screw speed on product responses (specific mechanical energy[SME], expansion ratio and bulk density) were studied using response surface methodology. Extrusion variables were barrel temperature (125, 150 and 175°C), moisture content (14, 16 and 18%) and screw speed (300, 400 and 500 rpm). Expansion ratio was directly affected by barrel temperature, whereas increase in temperature decreased S

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Shulhin, K., B. Aprillah, Alpiana, D. Rahmawati, A. A. Salsabila, and M. Iqbal. "The effect of physical properties of sandstone on the compression strength of rock." IOP Conference Series: Earth and Environmental Science 1175, no. 1 (2023): 012008. http://dx.doi.org/10.1088/1755-1315/1175/1/012008.

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Abstract Sandstone are commonly found on Lombok Island. The research aims to determine the sandstone’s physical and mechanical properties against the uniaxial compressive strength test. Analysis of physical properties for this research was carried out to determine the dimensions of size, moisture content, specific gravity, and bulk density, while the analysis of mechanical properties was to obtain compressive strength values. The original dry and wet bulk weights were obtained by testing the physical properties and compressive strength of sand and trass. The results from the samples in the Gun

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Baghsiyahi, Fatemeh Badieian, Arsalan Akhtar, and Mahboubeh Yeganeh. "Ab initio study of thermodynamic properties of bulk zinc-blende CdS: Comparing the LDA and GGA." International Journal of Modern Physics B 32, no. 20 (2018): 1850207. http://dx.doi.org/10.1142/s0217979218502077.

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In the present study, we have investigated the phonon and thermodynamic properties of bulk zinc-blende CdS by first-principle calculations within the density functional theory (DFT) and the density functional perturbation theory (DFPT) method using the quasi harmonic approximation (QHA). We calculated the phonon dispersion at several high symmetry directions, density of phonon state, temperature dependence feature of Helmholtz free energy (F), internal energy, bulk modulus, constant-volume specific heat, entropy, coefficient of the volume thermal expansion and Grüneisen parameter estimated wit

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Turner, Aaron P., Samuel G. McNeill, Michael Montross, et al. "Bulk Compressibility Behavior for Select Crops." Applied Engineering in Agriculture 39, no. 5 (2023): 509–18. http://dx.doi.org/10.13031/aea.15593.

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Highlights The pressure dependent bulk density relationship was evaluated for nine crops. Two compressibility models were proposed, with RMSE ranging from 1.7 to 7.1 kg m-3, depending on the crop. Differences between compressibility equations had minimal influence on packing predictions in full size bins. Combined test weight and packing correction factors are shown for each crop in bins of different sizes and construction. Abstract. Knowledge of the pressure-dependent bulk density increase observed in stored grains and oil seeds, commonly referred to as packing or compressibility, is importan

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Dobrowolska, Ewa. "Properties of pellets made of agglomerated pine and spruce sawdust with theaddition of wheat bran." Annals of WULS, Forestry and Wood Technology 124 (December 27, 2023): 5–15. http://dx.doi.org/10.5604/01.3001.0054.4496.

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The effect of the addition of 10%, 15% and 20% wheat bran to pine and spruce sawdust on the kineticstrength, bulk density and specific density of the conglomerate pellet was determined. It turned out that with anincreasing proportion of wheat bran in the sawdust mixture, there was a gradual increase in specific densitycompared to that of pellets agglomerated from wood sawdust alone. At a 20 per cent share of wheat bran, therewas a 7 per cent increase in the kinetic strength of pellets obtained from both types of sawdust. Slight fluctuationsin the bulk density of the pellets occurred with a cha

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Ehiem, J. C., V. I. O. Ndirika, and U. N. Onwuka. "Effect of moisture content on some physical properties of Canarium schweinfurthii Engl. fruits." Research in Agricultural Engineering 62, No. 4 (2016): 162–69. http://dx.doi.org/10.17221/11/2015-rae.

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The effect of moisture content on some physical properties of three varieties of Canarium schweinfurthii Engl. fruits (small, large and long) was studied at 40.91%, 34.92%, 23.44%, 18.5% and 11.03% moisture content on wet basis in order to solve problems associated with designing and development of processing and handling equipment for these fruits. The physical parameters investigated were major, intermediate, minor diameters, geometric mean diameter, unit mass, volume, sphericity, density, bulk density, roundness, aspect ratio, porosity, surface and specific surface area. The results obtaine

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V. Chandrasekar, R. Kailappan, R. Kasthuri, and K. Rajamani. "Moisture Dependent Physical and Thermal Properties of Coleus Tuber." Journal of Agricultural Engineering (India) 50, no. 1 (2024): 19–26. http://dx.doi.org/10.52151/jae2013501.1500.

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Some important physical and thermal properties of coleus tubers were determined in the moisture range of 466.62 to 21.52% (d.b). Selected physical properties namely weight, size; bulk density, particle density and porosity increased with increase in moisture content. Thermal properties viz. specific heat and thermal conductivity increased with increase in moisture content while thermal diffusivity recorded a decreasing trend.

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Lima, Renato P. de, Thomas Keller, Neyde B. F. Giarola, Cassio A. Tormena, Anderson R. da Silva, and Mario M. Rolim. "Measurements and simulations of compaction effects on the least limiting water range of a no-till Oxisol." Soil Research 58, no. 1 (2020): 62. http://dx.doi.org/10.1071/sr19074.

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No-till has many environmental advantages, but concerns are growing about vehicle-induced topsoil compaction limiting crop growth. We performed a wheeling experiment in a long-term no-till field on an Oxisol with sandy loam texture. The objectives were to measure changes in soil bulk density and corresponding impacts on the least limiting water range (LLWR) due to passage of a maize harvester, and to compare bulk density and LLWR measurements with values simulated using the SoilFlex-LLWR soil compaction model. Soil cores were sampled before and after wheeling, for bulk density measurements and

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Wisdom, Asotah, Udochukwu Mark, Elakhame Zeberu, and Abraham Adeleke. "Optimisation of the Physical Properties of Rice Husk Ash in Ceramic Materials Using the Response Surface Methodology." Hungarian Journal of Industry and Chemistry 49, no. 1 (2021): 23–30. http://dx.doi.org/10.33927/hjic-2021-04.

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Optimisation of the physical properties of rice husk ash (RHA) in ceramic materials was carried out using Response Surface Methodology. The independent variables, namely the firing temperature and residue content, were statistically combined in a Central Composite Design with the effects on water absorption, linear shrinkage, bulk density, apparent porosity and apparent specific gravity determined. Physical and microstructural analyses were carried out to obtain information on the processes that occurred within the ceramic materials. The results obtained were analysed to determine the optimum

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Chen, Qiujie, Xiaoxu Lai, Wenlan Chen, Chi Chen, Houzhao Wan, and Dan Sun. "Mechanism of High-Rate Cycling Stability of Anthraquinone Cathode for Aqueous Zinc-Ion Batteries." Inorganics 11, no. 7 (2023): 271. http://dx.doi.org/10.3390/inorganics11070271.

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Aqueous zinc-ion batteries (ZIBs) are an appealing rechargeable battery technology for next-generation energy storage devices, known for their low cost and high safety. Among the promising cathode materials used for aqueous ZIBs, anthraquinone (AQ) stands out due to its high theoretical specific capacity, low cost, and environmental friendliness. In this study, we investigate the cyclic stability of AQ in aqueous ZIBs. We demonstrate that AQ exhibits a good capacity retention at a high current density even after 1000 charge–discharge cycles, while more obvious capacity fading is observed at a

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Lamy, P. L. "Some Remarks on the Density of Interplanetary Dust Grains." International Astronomical Union Colloquium 85 (1985): 137–40. http://dx.doi.org/10.1017/s0252921100084505.

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AbstractThe relevance of the bulk density as a physical parameter characterizing interplanetary dust grains is discussed. The various measurements which lead to a determination of this parameter are reviewed. The specific case of the collected interplanetary dust grains is considered.The bulk density of interplanetary dust grains has been and is still a matter of controversy. This quantity cannot, in general, be directly measured; it is used to relate the mass and the size of a grain. This duality stems from physics itself as there are interactions sensitive to the mass (e.g., gravitational fo

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Abu-Hamdeh, Nidal H. "Specific Heat and Volumetric Heat Capacity of Granular Materials as Affected by Moisture and Density." Applied Mechanics and Materials 575 (June 2014): 103–7. http://dx.doi.org/10.4028/www.scientific.net/amm.575.103.

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The granular materials examined in this study were some Saudian soils. The effect of water content and bulk density on the specific heat and volumetric heat capacity of two Saudian soils (sand and loam) was investigated through laboratory studies. These laboratory experiments used the calorimetric method to determine specific heat of soils. For the type of soils studied, specific heat increased with increased moisture content. Also, volumetric heat capacity increased with increased moisture content and soil density. The volumetric heat capacity and specific heat of soils observed were compared

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Retnani, Yuli, Nining Hasanah, Rahmayeni Rahmayeni, and Lidy Herawati. "Uji Sifat Fisik Ransum Ayam Broiler Bentuk Pellet yang Ditambahkan Perekat Onggok Melalui Proses Penyemprotan Air." Jurnal Agripet 10, no. 1 (2010): 13–18. http://dx.doi.org/10.17969/agripet.v10i1.632.

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The physical characteristic test of broiler ration pelleted that added of onggok as binder with water spraying processABSTRACT. Pellet is a kind of solidified and mechanically compressed feed. Problem frequently rise is that pellet shape is easily damaged, brittle, and broken during production, transportation and storage processing. The purpose this study was to know the influence of onggok addition as binding agent with 5% water spraying on the physical characteristic of pellet form ration.The data were analyzed by analyzed of variance and the significant experiment results would be examined

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Heinemeyer, Andreas, Rebecca Berry, and Thomas J. Sloan. "Assessing soil compaction and micro-topography impacts of alternative heather cutting as compared to burning as part of grouse moor management on blanket bog." PeerJ 7 (July 18, 2019): e7298. http://dx.doi.org/10.7717/peerj.7298.

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Background Over 25% of the UK land area is covered by uplands, the bulk of which are comprised of blanket bog. This not only contains most of the UK’s terrestrial carbon stocks, but also represents 15% of this globally rare habitat. About 30% of UK blanket bog is managed for red grouse by encouraging ling heather (Calluna vulgaris) with rotational burning, which has been linked to habitat degradation, with reduced carbon storage and negative impacts on water storage and quality. Alternative cutting is currently being pursued as a potential restoration management. However, the often used heavy

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