Gotowe bibliografie tematyczne / Mineral ratio

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Gotowa bibliografia na temat „Mineral ratio”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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Artykuły w czasopismach na temat "Mineral ratio"

M. Janet, Ayeni, Oyeyemi S. Dele, Olaleye T. Favour, and Adeleke B. Gladys. "Studies on the Nutritional, Minerals, Mineral Ratio, Anti-nutritional, Molar Ratio and Antioxidant Compositions of Four Selected Leafy Wild Vegetables in Ado-Ekiti, Ekiti State, Nigeria." Asian Plant Research Journal 12, no. 4 (2024): 13–26. http://dx.doi.org/10.9734/aprj/2024/v12i4258.

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The study investigated the nutritional, mineral Anti-nutritional factors, molar ratios and antioxidants compositions in the leaves of four selected wild edible vegetables (Piper guinensis, Piper umbelatum, Celosia argentia and Jatropha tajorensis) collected in Ado Ekiti, Ekiti State, Nigeria. The proximate, minerals and anti-nutrient compositions of the samples were determined using standard procedures. Also antioxidant activity of the samples were detected using standard assays such as 1, 1, diphenyl-2-2 picrylhydrazyl (DDPH) and Ferric Reducing Antioxidant Potential (FRAP).The mineral ratio,

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Aryani, Farida, and Deswati Supra. "Efektivitas dan Efisiensi Pemungutan Serta Kontribusi Pajak Mineral Bukan Logam dan Batuan Terhadap Pajak Daerah Kabupaten Musi Banyuasin." Jurnal Ilmiah Akuntansi Rahmaniyah 4, no. 1 (2021): 74. http://dx.doi.org/10.51877/jiar.v4i1.161.

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This study discusses the analysis of the effectiveness and efficiency of tax collection and the contribution of nonmetallic minerals and rocks to local taxes. Determination of local tax revenue targets does not match the actual potential and the achievement of nonmetallic mineral and rock tax revenue targets have not been effective so that it will have an impact on the contribution of tax revenues on nonmetallic minerals and rocks. The methods used in this research are quantitative and qualitative methods. The data used are primary and secondary data. The results of this study explain that the

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Yudinugroho, Maulana, Sutarto, Setia Pambudi, et al. "Identification of Ferric Iron Oxides, Ferrous Iron Oxides, and Hydroxyls Minerals Within The Coastal Areas of Kulon Progo Indonesia Using Landsat 8 Multispectral." IOP Conference Series: Earth and Environmental Science 1486, no. 1 (2025): 012025. https://doi.org/10.1088/1755-1315/1486/1/012025.

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Abstract The development of remote sensing technology has facilitated the rapid detection of minerals without direct contact with the site. Multispectral satellite imagery can identify iron minerals, including Ferric Iron Oxides, Ferrous Iron Oxides, and Hydroxyls. That mineral is usually found on the surface along the southern coast of Central Java - Yogyakarta and has a characteristic black and shiny colour. This research aims to identify and map iron oxide minerals in parts of the southern coast of Java, specifically the surrounding Kulonprogo region, using Landsat 8 OLI imagery, focusing o

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Oyetayo, Folake Lucy, and Muyiwa Femi Ibitoye. "Phytochemical and nutrient/antinutrient interactions in cherry tomato (Lycopersicon esculentum) fruits." Nutrition and Health 21, no. 3 (2012): 187–92. http://dx.doi.org/10.1177/0260106012467241.

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The fruit of the cherry tomato ( Lycopersicon esculentum (Solanaceae)) was analysed for mineral and antinutrient composition. Phosphorus (33.04 ± 0.21 mg/100g) was the most abundant mineral in the fruit, followed by calcium (32.04 ± 0.06 mg/100g), and potassium (11.9 ± 0.1 mg/100g) and manganese (9.55 ± 0.28 mg/100g) were also present in appreciable quantities. Antinutrients, including phytate, glycoside, saponin and tannin, were screened and quantified. Phytate (112.82 ± 0.1 mg/100g), glycoside (2.33 ± 0.00 mg/100g), saponin (1.31 ± 0.00 mg/100g) and tannin (0.21 ± 0.00 mg/100g) were present

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Zhang, Shuai, Dongsheng Zhang, Qiang Zhao, Mingbo Chi, Wei Zhang, and Wei Yu. "DEM Investigation of the Influence of Minerals on Crack Patterns and Mechanical Properties of Red Mudstone." Processes 7, no. 3 (2019): 162. http://dx.doi.org/10.3390/pr7030162.

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Rocks are natural heterogeneous materials. It is common for a rock to have several kinds of minerals, which will have a significant effect on its mechanical behavior. The purpose of the numerical simulation study in this paper is to explore the effects of minerals on the crack patterns and mechanical properties of rocks. First, the corresponding calculation model is established by using the discrete element method (DEM), whereby the mechanical parameters of the blocks and joints in the Tyson polygon procedure are fitted with the rock properties obtained in the laboratory. Then, various combina

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THOMAZ, MARIA C., PEDRO H. WATANABE, LEONARDO A. F. PASCOAL, et al. "Inorganic and organic trace mineral supplementation in weanling pig diets." Anais da Academia Brasileira de Ciências 87, no. 2 (2015): 1071–81. http://dx.doi.org/10.1590/0001-3765201520140154.

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A study was conducted to evaluate the effects of dietary inorganic and organic trace minerals in two levels of supplementation regarding performance, diarrhea occurrence, hematological parameters, fecal mineral excretion and mineral retention in metacarpals and liver of weanling pigs. Seventy piglets weaned at 21 days of age with an average initial body weight of 6.70 ± 0.38 kg were allotted in five treatments: control diet (no added trace mineral premix); 50% ITMP (control diet with inorganic trace mineral premix supplying only 50% of trace mineral requirements); 50% OTMP (control diet with o

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Matoso, Stella Cristiani Gonçalves, Paulo Guilherme Salvador Wadt, Valdomiro Severino de Souza Júnior, Xosé Lois Otero Pérez, and Fábio Plotegher. "Variation in the properties of biochars produced by mixing agricultural residues and mineral soils for agricultural application." Waste Management & Research: The Journal for a Sustainable Circular Economy 38, no. 9 (2020): 978–86. http://dx.doi.org/10.1177/0734242x20935180.

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The research and application of biochars enriched with minerals have increased in recent years; however, the mineral fraction used consists of specific minerals, such as clay minerals and synthesized compounds. In this work, the effects of adding two specific soil types (sandy and clayey) to rice and coffee husks in order to generate biochars via pyrolysis was investigated. Chemical, physical–chemical, thermal, spectroscopic and crystallographic analyses were conducted on the produced biochars. The study confirmed that the presence of mineral soils during the pyrolysis process increases the yi

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Selyukov, Alexei, and Radim Rybár. "Calculation of Boundary Stripping Ratio Errors at the Stage of Quarries Designing." E3S Web of Conferences 105 (2019): 01043. http://dx.doi.org/10.1051/e3sconf/201910501043.

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The open pit mining method of solid minerals extracting is widely used both in Russia and in the whole world, and sets a general direction of mining industry development as its main tool, at least for the next decades. This is due to its significant advantages compared with other methods of minerals extraction, especially with underground method. This conclusion is made considering production capacity of mining and enrichment enterprises, mining safety, productivity and working conditions, investment and operating costs, level of mechanization, automation, robotization, informatization and com

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Kale, Ibrahim. "The predictive role of monocyte-lymphocyte ratio and plateletlymphocyte ratio in postmenopausal osteoporosis." Journal of Clinical and Investigative Surgery 6, no. 2 (2021): 141–47. http://dx.doi.org/10.25083/2559.5555/6.2.9.

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Objective. To investigate the relationship between neutrophil to lymphocyte ratio (NEU/LY), monocyte to lymphocyte ratio (MO/LY), platelet to lymphocyte ratio (PLT/LY), mean platelet volume to lymphocyte ratio (MPV/LY), mean platelet volume to platelet ratio (MPV/PLT), plateletcrit to platelet ratio (PCT/PLT) and postmenopausal osteoporosis. Materials and Methods. The data of the patients who were admitted to Ümraniye Training and Research Hospital between January 2017 and July 2020 and had both bone mineral densitometry and hemogram tests on the same day were retrospectively scanned. A number

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Khan, Ihtisham, Kashif Khan, Muhammad Fahad Bial, and Raja Muhammad Usama. "Geospatial Mapping and Detection of Ferrous, Iron Oxides, and Clay Minerals in District Mohmand, Pakistan." International Journal of Economic and Environmental Geology 14, no. 04 (2024): 40–45. http://dx.doi.org/10.46660/ijeeg.v14i04.224.

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The study focuses on the utilization of remote sensing techniques to effectively identify and detect ferrous,iron oxides, and clay minerals in Mohmand district, Pakistan, using LANDSAT 8 multispectral images. This studyfocuses on the increasing demand and importance of these minerals in mining and commercial activities. Mineralexploration in Mohmand district, utilizing remote sensing technology to identify mineral compositions using the bandratio is done. This technique allows for a more focused and precise approach to exploration and extraction techniques.Cloud-free LANDSAT 8 images with mini

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Rozprawy doktorskie na temat "Mineral ratio"

Norvell, Tess Marie. "Effects of increasing tetany risk ratio and magnesium supplementation on mineral balance and feeding behavior by ruminants." Thesis, Montana State University, 2011. http://etd.lib.montana.edu/etd/2011/norvell/NorvellT0511.pdf.

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Three experiments were conducted to evaluate the effects of increasing the tetany risk ratio on blood serum Mg levels, nutrient digestion, mineral balance, and Mg supplementation source and feeding behavior. Experiments 1 and 2 were randomized complete block designs, with 24 wethers were maintained in individual metabolism crates and assigned to four treatments (6 wethers/treatment). Experiment 1 compared tetany risk ratios (TRR) of 1.6, 2.3, 2.9, or 3.5. Dry matter, NDF, and N digestibilities were not different between treatments. Nitrogen retention decreased (P < 0.05) as the tetany risk

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Gantenbein, Daniel. "Development of mineral particle surfaces for the adsorption of pitch from wood processing and recycling of paper." Thesis, University of Plymouth, 2012. http://hdl.handle.net/10026.1/1175.

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During the production of paper in paper mills, detrimental wood resin is released into the water circuit of the mill during the pulping process of the wood into fibres. This wood resin, termed pitch, can detrimentally deposit on the paper and on the paper machine equipment. The deposits mark the paper or can lead to a tear of the paper web involving a loss of output and a reduction in paper quality. Furthermore, the wood resinous compounds in paper mill effluents need to be reduced in order to minimise their toxic effects on water organisms. Talc has been the benchmark for many years as a mine

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Křížová, Klára. "Studium závislostí složení betonů na hodnoty modulů pružnosti." Doctoral thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-233789.

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The modulus of elasticity is one of the basic characteristics of concrete defining elastic deformation of concrete and it plays a significant role in the static design of structures. Due to current trends in concrete technology, offering a wide variability in the proposals of the composition of concrete, there are changes not only in strength characteristics but also in the modulus of elasticity of concrete. The aim of this doctoral thesis is to study the dependence of different compositions on modulus of elasticity of concrete. Design of concrete composition is prepared with respect to the us

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Bracco, Jacquelyn N. "Growth of Sparingly-Soluble AB-type Minerals as a Function of their A:B Ratio." Wright State University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=wright1447152933.

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ROMANELLO, MILENA. "CARATTERIZZAZIONE BIOCHIMICA DELLE FASI ORGANICA E MINERALE DEL TESSUTO OSSEO NEL RATTO." Doctoral thesis, Università degli studi di Trieste, 1996. http://thesis2.sba.units.it/store/handle/item/12832.

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Tran, Duc Long. "Impact of intrinsic granular porosity on the durability properties of concrete." Thesis, Toulouse 3, 2020. http://www.theses.fr/2020TOU30021.

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La préservation des ressources naturelles et la limitation des émissions de CO2 sont une contribution au développement durable. Dans le cadre de la conception du béton, cette contribution consiste à utiliser des granulats locaux ou recyclés. Cependant, ces derniers peuvent être poreux et de faible qualité. La communauté scientifique est d'accord sur le fait que la porosité intrinsèque des granulats modifie les propriétés de transport du béton, mais dans quelle mesure reste une question. L'objectif de la thèse est d'analyser l'impact de la porosité intrinsèque des granulats grossiers, principal

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Minotti, Paloma Gagliardi. "Avaliação microscópica da reação tecidual em subcutâneo de rato frente a cimentos Portland contendo diferentes concentrações de arsênico." Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/25/25147/tde-06122011-105902/.

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O MTA (Agregado Trióxido Mineral) tem sido utilizado na endodontia com diferentes finalidades terapêuticas. Essencialmente ele é constituído pelo cimento Portland acrescido de um radiopacificador. Entre seus componentes, é destacada a presença do arsênico, o qual sofre variação de concentração em função da origem do calcário. A dúvida é que se diferentes concentrações de arsênico representam alguma influência na sua biocompatibilidade. O objetivo deste estudo foi avaliar, microscopicamente, a reação tecidual em subcutâneo de ratos frente a cimentos Portland contendo diferentes concentrações d

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Ribeiro, Thyciana Rodrigues. "Raquitismo hipofosfatêmico familiar : estudo sobre peptídeos salivares e estrutura mineral dentária." reponame:Repositório Institucional da UFC, 2013. http://www.repositorio.ufc.br/handle/riufc/5245.

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Thyciana Rodrigues Ribeiro. Raquitismo hipofosfatêmico familiar : estudo sobre peptídeos salivares e estrutura mineral dentária. 2013. 112 f. Tese (Doutorado em Odontologia) - Universidade Federal do Ceará. Faculdade de Farmácia, Odontologia e Enfermagem, Fortaleza, 2013. Submitted by denise santos (denise.santos@ufc.br) on 2013-07-02T13:17:03Z No. of bitstreams: 1 2013_tese_trribeiro.pdf: 1978406 bytes, checksum: f8d95926d92697c8b6b152595d185cb3 (MD5) Approved for entry into archive by Erika Fernandes(erikaleitefernandes@gmail.com) on 2013-07-04T16:15:28Z (GMT) No. of bitstreams: 1 2013

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Saraiva, Júlia Rebecca. "Caracterização estrutural e mineral do biofilme supragengival pigmentado de bovinos com periodontite /." Jaboticabal, 2019. http://hdl.handle.net/11449/181524.

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Orientador: Iveraldo dos Santos Dutra Banca: Ana Carolina Borsanelli Banca: Vera Lúcia Lorenzetti Magalhães Curci Resumo: A periodontite é uma infecção multifatorial já descrita em diferentes espécies, dentre elas os ruminantes domésticos. Em bovinos, a doença relaciona-se, dentre outros fatores, a uma microbiota potencialmente patogênica que, em sua maioria, encontra-se alojada no biofilme bucal destes animais. Biofilmes são estruturas organizadas, nas quais os constituintes convivem em cooperativismo metabólico e oferecem benefícios para a sobrevivência da microbiota local. Estas fo

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Cupertino, Marli do Carmo. "Mineral and inflammatory disturbances on reproductive system triggered by cadmium exposure." Universidade Federal de Viçosa, 2016. http://www.locus.ufv.br/handle/123456789/8178.

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Submitted by Marco Antônio de Ramos Chagas (mchagas@ufv.br) on 2016-07-05T15:24:44Z No. of bitstreams: 1 texto completo.pdf: 2228949 bytes, checksum: 62246c0a036f2ff126e83b04a5ee68c9 (MD5) Made available in DSpace on 2016-07-05T15:24:44Z (GMT). No. of bitstreams: 1 texto completo.pdf: 2228949 bytes, checksum: 62246c0a036f2ff126e83b04a5ee68c9 (MD5) Previous issue date: 2016-03-11 Coordenação de Aperfeiçoamento de Pessoal de Nível Superior Estudos sobre os mecanismos de toxicidade causados por poluentes ambientais representam um campo de investigação amplo. O efeito tóxico do Cd (

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Książki na temat "Mineral ratio"

United States. Environmental Protection Agency. Office ow Water. Office of Science and Technology. Streamlined water-effect ratio procedure for discharge of copper. U.S. Environmental Protection Agency, Office of Water, 2001.

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Dagron, Alfonso Gumucio. Las radios mineras de Bolivia. CIMCA-UNESCO, 1989.

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Salles, José Bento Teixeira de. O rato que virou porco: Fábulas mineiras. Mazza Edições, 1989.

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(Organization), CIMCA, and Simposio "Realidad y Futuro de las Radioemisoras Mineras de Bolivia" (1988 : Potosí, Bolivia), eds. Resoluciones: Realidad y futuro de las radioemisoras mineras en Bolivia. CIMCA, 1989.

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Camacho, Gridvia Kuncar. Comunicación alternativa y sindicalismo en Bolivia: La experiencia de las Radios Mineras (1950-1980). Cebiae, 1989.

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Pires, Andréa Bittencourt. Formação de núcleos urbanos no garimpo do Rato, município de Itaituba. Governo do Estado do Pará, Secretaria de Estado de Indústria, Comércio e Mineração, 1996.

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Bandyopadhyay, L. K. Wireless communication in underground mines: RFID-based sensor networking. Springer, 2010.

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Soneff, S. Minerals: Economic and regional development agreement ; preliminary review of a communications system at the Ruttan Mine ; presented at Comm-Lite Seminar, U/G radio communications and mine lighting, Sudbury, November 24-25, 1987 / S. Soneff and S. Vongpaisal. CANMET, 1987.

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Community radio in Bolivia: The miners' radio stations. Edwin Mellen Press, 2004.

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O'Connor, Alan. Community Radio In Bolivia: The Miners' Radio Station. Edwin Mellen Press, 2004.

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Części książek na temat "Mineral ratio"

Xu, Libo, Weimin Ye, Qiong Wang, and Hewen Luo. "Experimental Study on the Intrusion/Erosion Behavior of GMZ Bentonite Considering Fracture Aperture Effects." In Springer Proceedings in Physics. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-1023-6_74.

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AbstractIntrusion/erosion will cause mass loss of bentonite, resulting in endangering the operation safety of the repository for disposal of high-level radioactive waste. In this work, intrusion/erosion tests were conducted on GMZ bentonite specimens with a fracture aperture of 0.1, 0.5, 0.75 and 1.0 mm, as well as a duration of 60 days. Images were regularly captured with a digital camera. The intrusion distance and width of accessory-mineral ring were obtained. The erosion rate was determined by a turbidimeter. Meanwhile, parallel tests with a fracture aperture of 0.5 and 1.0 mm were repeate

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Tang, Xiong, Guoqiang Xiang, and Jie Zou. "Research on Salt Corrosion Resistance Design of Highway Concrete Structures." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-4355-1_11.

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AbstractIn response to the problem of salt corrosion on highway concrete structures in high-altitude areas, this article studies the effects of water cement ratio, admixtures, and admixtures on the salt corrosion resistance of concrete through salt freezing cycle tests and salt freezing erosion resistance tests. The results indicate that under the conditions of meeting the workability of concrete, when the water cement ratio is below 0.4, the resistance to salt freezing and erosion is excellent. When the air content of concrete is between 0 and 3.8%, the salt freezing resistance and corrosion

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Alcantara, E., and M. D. de la Guardia. "Inheritance of response of sunflower inbreds to a low calcium/magnesium ratio." In Genetic Aspects of Plant Mineral Nutrition. Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3581-5_37.

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Guo, Liangyu, Fushan Ma, and Binhui Zhao. "Study on the Durability of Manufactured Sand Concrete with the Change of Mix Proportion Parameters." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. https://doi.org/10.1007/978-981-97-6238-5_9.

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AbstractCement, aggregate, mineral admixture, concrete admixture, and mixing water were used as the main raw materials to prepare manufactured sand concrete. By adjusting the proportioning parameters of manufactured sand concrete, such as sand ratio and water-cement ratio, the influence of proportioning parameters on the durability of manufactured sand concrete was studied. Experimental results show that when the sand ratio is between 0.38 and 0.44, the mechanism of sand best workability and durability of the concrete strength, the best value for the mechanism of sand concrete, sand ratio rang

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Zaraisky, G. P., A. M. Aksyuk, A. V. Fedkin, and R. Seltmann. "The Zr/Hf ratio as an indicator of granite magma evolution of rare metal deposits related to post-orogenic granites." In Mineral Deposits at the Beginning of the 21st Century. CRC Press, 2022. http://dx.doi.org/10.1201/9781003077503-127.

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Nátr, Lubomír. "Shoot/root ratio during the early heterotrophic growth of barley as influenced by mineral nutrition." In Structural and Functional Aspects of Transport in Roots. Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-0891-8_36.

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Etchebarne, F., H. Ojeda, and A. Deloire. "Grape Berry Mineral Composition in Relation to Vine Water Status & Leaf Area/Fruit Ratio." In Grapevine Molecular Physiology & Biotechnology. Springer Netherlands, 2009. http://dx.doi.org/10.1007/978-90-481-2305-6_3.

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Verona, A., A. P. Azhim, H. P. Liliek, D. U. Wahyu, and M. Ibrahim. "Utilization of Fly Ash and Bottom Ash as a Filler in the NPK Plant at Petrokima Gresik Ltd." In Proceedings of the 19th International Symposium on Management (INSYMA 2022). Atlantis Press International BV, 2022. http://dx.doi.org/10.2991/978-94-6463-008-4_137.

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AbstractCoal is a rock composed of organic compounds (C, H, and O), inorganic or mineral impurities, and ash content. Burning coal produces waste in fly ash and bottom ash (FABA). FABA that accumulates for a long time can cause environmental problems, such as pollution. Petrokimia Gresik Ltd. Produces FABA in large quantities, so it must be managed by external parties who have a permit to manage it. With the regulatory changes, FABA can be utilized for various products. This study aims to utilize FABA as a filler substitute for raw materials for NPK fertilizer and find the right proportion so

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Panchal, V. C., and G. R. Vesmawala. "Effect of Aggregate Ratio Using Non-pozzolanic Mineral Filler Waste on the Property of Self Compacted Concrete." In Lecture Notes in Civil Engineering. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5195-6_47.

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Lu, Xingya, Peng Li, Shengrui Su, Haibo Jiang, and Fu Dong. "Optimization Design of Sand and Loess High Slope Based on Combination of Wide and Narrow Platfom——A Case Study of a High Slope in Yulin City." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-2532-2_13.

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AbstractDue to the limited land resources available for engineering construction in Northern Shaanxi, engineering activities such as mineral resources development, basic engineering construction, slope reduction and building houses, and farming are often accompanied by the formation of a large number of Manually Excavated high slopes. Effective high slope design can reduce the waste of land resources, mitigate the damage to the natural environment, and reduce the project cost to a certain extent. Therefore, this paper takes a high sand loess slope in Yulin City, Shaanxi Province as an example,

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Streszczenia konferencji na temat "Mineral ratio"

Charpentier, Thibaut V. J., and Anne Neville. "Controlling the Kinetic versus Thermodynamic Growth of Calcium Carbonate Scale in the Bulk and on Surfaces." In CORROSION 2016. NACE International, 2016. https://doi.org/10.5006/c2016-07626.

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Abstract Mineral scale formation and deposition can cause dramatic and unacceptable safety risks and associated operational costs. It is recognized as a major flow assurance problem affecting production in the oil and gas industry. The current models used to predict scale precipitation are solely based upon thermodynamic data without taking into consideration any kinetic aspects of scale induction times or growth rates. The aim of this paper is to investigate the interplay between kinetic and thermodynamic control of calcium carbonate precipitation in the bulk and on surfaces. Standard bulk ja

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Charpentier, Thibaut V. J., Rose Lehman, and Andre Leontieff. "Development of a Tool to Track the Fraction of Injected Water in Produced Water Streams." In CONFERENCE 2023. AMPP, 2023. https://doi.org/10.5006/c2023-19130.

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Abstract Waterflooding is an important method for improving oil recovery, it consists of injecting water into selected injector wells to displace the oil to the surrounding producer wells while maintaining reservoir pressure. When water breaks through to the producer however, this secondary recovery technique can cause some production problems. A particular issue is mineral scale formation resulting from the mixing of incompatible brines. An example is barite precipitation following the mixing of barium rich formation water with an injection water high in sulphate. Accurately predicting the fr

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Ahn, Woosuk, Darrell Joque, and Arnfinn Rusten. "A Study on Corrosion Resistance of Prestressed Marine Concrete Piles." In CORROSION 2003. NACE International, 2003. https://doi.org/10.5006/c2003-03239.

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Abstract This study addresses the resistance to chloride ion penetration in the prestressed concrete large diameter cylinder piles exposed to the severe marine splash/tidal zone. Time to initiation of corrosion was predicted by using the Fick’s 2nd law for chloride penetration. The effects of water to binder ratio (w/b), mineral admixtures, and cover thickness were evaluated by the comparative studies, based on one-dimensional direct calculation, two-dimensional analysis using a computer software application, and case studies. The influences of environmental characteristics, manufacturing proc

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Raheem, Kabir, Olujide Sanni, Thibaut Charpentier, and Anne Neville. "Surface Precipitation and Growth Kinetics of Calcium Carbonate (CaCO3) Scale Using a Novel Capillary Flow Rig." In CORROSION 2021. AMPP, 2021. https://doi.org/10.5006/c2021-16560.

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Abstract The oil and gas industry is plagued with various flow assurance challenges including the formation of inorganic scale on component surfaces. Much research into scaling and inhibition is now being directed towards surface deposition as fouling on surfaces often causes operational problems and the rates cannot be predicted by consideration of bulk precipitation processes. However, achieving a mechanistic understanding of surface kinetics requires laboratory techniques that offer the ability to control thermodynamic parameters. A novel once-through capillary flow rig design based on the

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Isaacson, A. E., and J. L. Huiatt. "An Electrochemical Study of Grinding Media Corrosion." In CORROSION 1985. NACE International, 1985. https://doi.org/10.5006/c1985-85364.

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Abstract The Bureau of Mines investigated the corrosion of carbon steel and high-chromium white iron grinding balls. Electrochemical measurements in an ultrasonic apparatus, used to abrade the ball, demonstrated that pyrite in a test slurry of pH 8 increased the corrosion rate of a steel ball from 27 mils per year (mpy) without pyrite to 80 mpy with pyrite. The rate depended upon pH and the mineral-to-metal surface area ratio (SAR). When magnetite was substituted for pyrite, rates were lower. Using an impactor apparatus to simulate grinding action, passivation rates on high-chromium iron balls

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Tolstova, S. L., L. G. Shashkarov, and G. A. Mefodiev. "Winter Triticale Mineral Nutrition Elements Ratio Depending on Seeding Rate." In International scientific and practical conference "AgroSMART - Smart solutions for agriculture" (AgroSMART 2018). Atlantis Press, 2018. http://dx.doi.org/10.2991/agrosmart-18.2018.139.

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Burhannudinnur, Muhammad, Firman Herdiansyah, Suryo Prakoso, and Teddy Irano. "Controlling factors of Vp/Vs ratio in Miocene carbonate reservoir, Banggai Basin." In 3RD INTERNATIONAL CONFERENCE ON EARTH SCIENCE, MINERAL, AND ENERGY. AIP Publishing, 2021. http://dx.doi.org/10.1063/5.0061634.

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Erzagian, Egy, Wahyu Wilopo, and Teuku Faisal Fathani. "Landslide susceptibility mapping using frequency ratio method in Kulon Progo Mountains area, Indonesia." In 4TH INTERNATIONAL CONFERENCE ON EARTH SCIENCE, MINERAL AND ENERGY. AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0127478.

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Wendel, Nathanael J., Noah P. Subasic, Andrew E. Mizer, and Jeffrey P. Bons. "Mineral Composition Effects on Dust Deposition at Realistic Engine Conditions." In ASME Turbo Expo 2023: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/gt2023-101559.

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Abstract In this paper the role of mineral composition was assessed for Air Force Research Laboratory test dust (AFRL), for deposition in a realistic gas turbine engine environment. Experiments were performed on an effusion cooling test article with a coolant flow temperature of 894K and surface temperature of 1144K. Aerosolized dust with a 0–10 μm particle size distribution was delivered to the test article. The mineral recipe of AFRL was altered such that the presence of each of the five components ranged from 0% to 100%, and capture efficiency, hole capture efficiency, blockage per gram, an

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Qinli Yin and Shuqiang Lv. "Spectral unmixing of mineral pigment mixture by using derivative of ratio spectroscopy." In 2016 4th International Workshop on Earth Observation and Remote Sensing Applications (EORSA). IEEE, 2016. http://dx.doi.org/10.1109/eorsa.2016.7552791.

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Raporty organizacyjne na temat "Mineral ratio"

Longwell, J. P., A. F. Sarofim, E. Bar-Ziv, and Chun-Hyuk Lee. Effects of catalytic mineral matter on CO/CO[sub 2] ratio, temperature and burning time for char combustion. Office of Scientific and Technical Information (OSTI), 1990. http://dx.doi.org/10.2172/6746185.

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Longwell, J. P., A. F. Sarofim, Chun-Hyuk Lee, A. J. Modestino, and C. Cho. Effects of catalytic mineral matter on CO/CO sub 2 ratio, temperature and burning time for char combustion. Office of Scientific and Technical Information (OSTI), 1991. http://dx.doi.org/10.2172/5541821.

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Longwell, J. P., A. F. Sarofim, C. H. Lee, A. J. Modestino, and E. Cho. Effects of catalytic mineral matter on CO/CO sub 2 ratio, temperature and burning time for char combustion. Office of Scientific and Technical Information (OSTI), 1991. http://dx.doi.org/10.2172/6375392.

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Longwell, J. P., A. F. Sarofim, E. Bar-Ziv, Chun-Hyuk Lee, and Z. Du. Effects of catalytic mineral matter on CO/CO[sub 2] ratio, temperature and burning time for char combustion. Office of Scientific and Technical Information (OSTI), 1990. http://dx.doi.org/10.2172/7053887.

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Longwell, J. P., A. F. Sarofim, and Chun-Hyuk Lee. Effects of catalytic mineral matter on CO/CO sub 2 ratio, temperature and burning time for char combustion. Office of Scientific and Technical Information (OSTI), 1990. http://dx.doi.org/10.2172/6221607.

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Longwell, J. P., A. F. Sarofim, L. Tognotti, and Zhiyou Du. Effects of catalytic mineral matter CO/CO[sub 2] ratio on temperature and burning time for char combustion. Office of Scientific and Technical Information (OSTI), 1989. http://dx.doi.org/10.2172/6781943.

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Longwell, J. P., A. F. Sarofim, Chun-Hyuk Lee, A. J. Modestino, and C. Cho. Effects of catalytic mineral matter on CO/CO{sub 2} ratio, temperature and burning time for char combustion. Quarterly progress report No. 9, October--December 1991. Office of Scientific and Technical Information (OSTI), 1991. http://dx.doi.org/10.2172/10138001.

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Longwell, J. P., A. F. Sarofim, E. Bar-Ziv, and Chun-Hyuk Lee. Effects of catalytic mineral matter on CO/CO{sub 2} ratio, temperature and burning time for char combustion. Quarterly progress report No. 3, April--June 1990. Office of Scientific and Technical Information (OSTI), 1990. http://dx.doi.org/10.2172/10128190.

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Longwell, J. P., A. F. Sarofim, L. Tognotti, and Zhiyou Du. Effects of catalytic mineral matter CO/CO{sub 2} ratio on temperature and burning time for char combustion. Quarterly progress report No. 1, October--December 1989. Office of Scientific and Technical Information (OSTI), 1989. http://dx.doi.org/10.2172/10128627.

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Longwell, J. P., A. F. Sarofim, E. Bar-Ziv, Chun-Hyuk Lee, and Z. Du. Effects of catalytic mineral matter on CO/CO{sub 2} ratio, temperature and burning time for char combustion. Quarterly progress report No. 2, January--March 1990. Office of Scientific and Technical Information (OSTI), 1990. http://dx.doi.org/10.2172/10128797.

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