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Letteratura scientifica selezionata sul tema "Nitrogen and calcium level"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 1 febbraio 2022

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Articoli di riviste sul tema "Nitrogen and calcium level"

Ozgen, Senay, Mustafa Ozgen, and Jiwan P. Palta. "556 Influence of Supplemental Calcium Fertilization on Potato Tuber Size and Tuber Number." HortScience 34, no. 3 (June 1999): 542B—542. http://dx.doi.org/10.21273/hortsci.34.3.542b.

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Several recent studies, including from our laboratory, have provided evidence that by improving tuber calcium level, we can improve tuber quality such as low internal defects and better storability. The purpose of this study was to be determine the influence of supplemental calcium fertilization on tuber size and tuber number. For this purpose, plantlets of Solanum tuberosum cv. Russet Burbank raised in tissue culture were planted in 20-L pots filled with sandy loam soil with pH of 6.9 and soil calcium level of 350 ppm. All treatments received same total amount of nitrogen (at the rate of 280

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Diggle, AJ, and JW Bowden. "The response of wheat tops and roots grown in a leaching environment to rates of nitrogen added as calcium nitrate or organic residues containing 1, 2 or 6% nitrogen." Australian Journal of Agricultural Research 42, no. 7 (1991): 1053. http://dx.doi.org/10.1071/ar9911053.

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Wheat was grown under leaching conditions in a glasshouse in columns of a loamy sand soil to which nitrogen had been added in the form of calcium nitrate or organic materials containing 1, 2 or 6% nitrogen. All materials were added at a range of rates calculated on an elemental nitrogen basis, so that comparisons could be made between materials at the same level of nitrogen addition. The amount of mineral nitrogen in the soil profile 4 weeks after seeding increased with the addition of each of the sources except for the 1% nitrogen organic material which had no effect. Addition of calcium nitr

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Rosado, Thiago Lopes, Ivoney Gontijo, Marcelo Suzart Almeida, Alberto Chambela Neto, and Carla Penha Simon. "PRODUCTION AND TILLERING OF MOMBAÇA GRASS WITH DIFFERENT SOURCES AND LEVELS OF APPLIED NITROGEN." REVISTA ENGENHARIA NA AGRICULTURA - REVENG 24, no. 2 (July 1, 2016): 139–46. http://dx.doi.org/10.13083/reveng.v24i2.664.

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Nitrogen influences numerous physiological and morphological traits of forage grasses, which ultimately interfere directly with production and forage quality. Aimed to study was to evaluate the production of dry matter and the number of tillers of Panicum maximum cv. Mombaça grown with different sources and levels of applied nitrogen. The experiment was conducted at the Federal Institute of the Espírito Santo, Campus of Santa Teresa. The experimental design consisted of a randomised block design with three replicates in a 3 x 6 factorial design and three nitrogenous fertilizers (urea, ammonium

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Grieve, Catherine M., James A. Poss, Peter J. Shouse, and Christy T. Carter. "Modeling Growth of Matthiola incana in Response to Saline Wastewaters Differing in Nitrogen Level." HortScience 43, no. 6 (October 2008): 1787–93. http://dx.doi.org/10.21273/hortsci.43.6.1787.

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The capture and reuse of nutrient-rich greenhouse effluents may be an environmentally sound option for floriculture production, which would conserve fresh water resources and reduce off-site pollution of surface and groundwaters. This study was initiated in 24 outdoor lysimeters to determine effects of salinity and varying concentrations of nitrogen on the growth, yield, and ion relations of stock [Matthiola incana (L.) R. Br.] cultivar Cheerful White. The experiment was a 4 × 4 factorial, partially replicated design with four irrigation water salinities (2, 5, 8, and 11 dS·m−1) and four nitra

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Bojtor, Csaba, Árpád Illés, Seyed Mohammad Nasir Mousavi, Adrienn Széles, Brigitta Tóth, János Nagy, and Csaba L. Marton. "Evaluation of the Nutrient Composition of Maize in Different NPK Fertilizer Levels Based on Multivariate Method Analysis." International Journal of Agronomy 2021 (April 1, 2021): 1–13. http://dx.doi.org/10.1155/2021/5537549.

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One of the critical issues in using micronutrient fertilisers is the comparison of methods and amounts of fertiliser use, which is very important from the aspect of increasing production and economic viewpoint. The aim of this research was to analyse the nutrient composition of different parts of the maize (Zea mays L. FAO 490) during the growing season with six-level nitrogen fertilisation supplies at five phenological stages. The study included essential nutrients as nitrogen (N), phosphorus (P), potassium (K), and sulphur (S) (in first cluster) and calcium (Ca) and magnesium (Mg) (in second

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Conley, M. Elizabeth, and Ellen T. Paparozzi. "Macroand Micronutrient Levels Associated with Nitrogen and Sulfur Applications to `Freedom Red' Poinsettia." HortScience 32, no. 3 (June 1997): 444E—445. http://dx.doi.org/10.21273/hortsci.32.3.444e.

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In order to understand the effects of reduced nitrogen and sulfur on overall poinsettia plant growth and development, experiments were run to determine the relationship, if any, between nitrogen and sulfur applied and other macroand micronutrients. Cuttings of `Freedom Red' (Euphorbia pulcherrima Willd. ex Klotzsch) were grown vegetatively in a peat:perlite:vermiculite mix during the fall and spring. Three levels of sulfur (0, 12.5, 25 ppm) were applied in combination with four levels of nitrogen (50, 100, 200, 275 ppm). The experimental design was a randomized complete block. Leaf samples wer

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SWIATKIEWICZ, S., J. KORELESKI, and A. ARCZEWSKA-WLOSEK. "Egg performance, egg quality, and nutrient utilization in laying hens fed diets with different levels of rapeseed expeller cake." Agricultural and Food Science 19, no. 3 (December 4, 2008): 233. http://dx.doi.org/10.2137/145960610792912594.

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The aim of this study was to evaluate the effect of different levels of rapeseed expeller cake (RC) in the diet of laying hens on egg performance, egg quality, retention and excretion of nitrogen, calcium and phosphorus, and metabolizability of energy. The experiment was carried out with 72 Bovans Brown hens, from 28 to 53 weeks of age. Experimental treatment consisted of four isonitrogenous and isocaloric corn-soybean diets (as calculated: 17% crude protein, 11.6 MJ/kg metabolizable energy, 0.81% lysine, 0.36% methionine, 3.60% calcium and 0.37% available phosphorus), containing 0, 4, 6 or 8%

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Li, Y., T. Wang, J. Li, and Y. Ao. "Effect of phosphorus on celery growth and nutrient uptake under different calcium and magnesium levels in substrate culture." Horticultural Science 37, No. 3 (July 14, 2010): 99–108. http://dx.doi.org/10.17221/81/2009-hortsci.

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A greenhouse pot experiment was performed to study the effect of phosphorus (P) on celery (Apium graveolens L.) growth, quality and nutrient uptake under different calcium (Ca) and magnesium (Mg) levels in substrate culture. Results showed that there were significant interactions between P and the level of Ca and Mg in the growing media. Celery above-ground fresh weight, total dry biomass, leaf area, and P, Ca and Mg concentrations in celery leaves significantly increased from 0 to 124 mg/l P application. The opposite trends were observed for root/shoot ratio, leaf chlorophyll, carotenoids, so

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Pavlíková, D., M. Neuberg, E. Žižková, V. Motyka, and M. Pavlík. " Interactions between nitrogen nutrition and phytohormone levels in Festulolium plants." Plant, Soil and Environment 58, No. 8 (August 21, 2012): 367–72. http://dx.doi.org/10.17221/367/2012-pse.

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&nbsp; This study aims to reveal and to compare effect of two various systems of nitrogen nutrition, namely injection and sidedress application, on the levels of NO3&ndash; and phytohormones (cytokinins, abscisic acid (ABA), indole-3-acetic acid (IAA)) in Festulolium plants. Calcium nitrate (CN) or ammonium sulphate (AS) were used as N source in the pot experiment. The yield of Festulolium above and below ground biomass was more substantially enhanced after sidedress application of both AS or CN in comparison with injection application. The levels of endogenous cytokinins peaked 5 days

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Santos-de-Souza, Daniele, Lígia Fátima Lima-Calixto, Marina Jorge-de-Lemos, Túlio Leite-Reis, Carlos Augusto Oliveira, Édson José Fassani, Maria Clara Do-Coutto-Prado-Valladares, and Felipe Dilelis De Resende Sousa. "Inclusion of kaolin in the feed of Japanese quails during the production phase." Revista Colombiana de Ciencias Pecuarias 32, no. 4 (November 7, 2019): 274–84. http://dx.doi.org/10.17533/udea.rccp.v32n4a03.

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Background: Kaolin may improve quail performance by maintaining intestinal integrity and improving nutrient absorption. Objective: To evaluate the overall performance, egg quality, moisture, nitrogen and calcium content in the excreta, intestinal morphology and financial analysis of kaolin in Japanese quail feed during the production phase. Methods: A total of 192 Japanese quails, distributed in a completely randomized design with four treatments and six repetitions with eight birds each, were used. Kaolin levels added to the diet were 0, 1.5, 3.0, and 4.5%. Results: Kaolin reduced feed consum

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Tesi sul tema "Nitrogen and calcium level"

Raath, P. J. (. Pieter Johannes). "Effect of varying levels of nitrogen, potassium and calcium nutrition on table grape vine physiology and berry quality." Thesis, Stellenbosch : Stellenbosch University, 2012. http://hdl.handle.net/10019.1/19996.

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Thesis (PhD(Agric))--Stellenbosch University, 2012. ENGLISH ABSTRACT: A lack of defects is required for successful table grape marketing, which pre-suppose optimal vine performance, berry development and post-harvest quality. The supply of mineral nutrients affects vine development, physiology and berry quality. Despite a vast amount of research conducted over decades, there remain many unresolved issues regarding table grape vine nutrition to ensure optimal table grape quality and shelve-life. Unjustified fertilisation practices often include excessive applications of nitrogen (N),

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Dobson, Phillip Stephen. "Calcium carbonate crystallisation at the microscopic level." Thesis, University of Warwick, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.252524.

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Cai, Yanbing. "Synthesis and Characterization of Nitrogen-rich Calcium α-Sialon Ceramics". Doctoral thesis, Stockholms universitet, Institutionen för fysikalisk kemi, oorganisk kemi och strukturkemi, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-8568.

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In this thesis, a synthesis concept has been developed, which uses nitrogen-rich liquid phases for sintering of Ca-α-sialon ceramics. First, keeping the Si/Al ratios constant, the effects of N/O ratio on the properties and microstructure were investigated through a liquid phase sintering process. Second, nitrogen-rich Ca-α-sialon ceramics, with nominal compositions: CaxSi12-2xAl2xN16, x < 2.0, was synthesized and characterized. Third, mechanical and thermal properties of nitrogen-rich Ca-α-sialons were investigated in terms of high temperature deformation resistance,reaction mechanism, phas

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Silveira, Raiza Felismino. "Energy partition and nitrogen utilization by growing goats fed encapsulated calcium nitrate /." Jaboticabal, 2017. http://hdl.handle.net/11449/151442.

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Orientador: Kleber Tomás de Resende Coorientador: Marcia Helena Machado da Rocha Fernandes Banca: Rafael Canonenco de Araújo Banca: Carla Joice Härter Resumo: O nitrato de cálcio encapsulado (NCE) tem sido estudado nos últimos anos como uma fonte de nitrogênio não proteico (NNP) e representa uma alternativa ao uso do hidrogênio livre no ambiente ruminal, reduzindo assim a emissão de metano e possibilitando uma maior eficiência no uso da energia. Assim, o objetivo do presente estudo foi avaliar o uso do nitrato de cálcio encapsulado como substituto do farelo de soja na partição de e

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Ouali, Mustapha. "Cationic lipids involved in gene transfer increase intracellular calcium level." Doctoral thesis, Universite Libre de Bruxelles, 2007. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/210739.

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Cationic lipids are efficient tools to introduce nucleic acids and proteins into cells. Elucidation of the mechanism and cellular pathways associated to such a transport has been relatively slow, even though significant progress has been made in the characterization of the intracellular trafficking of cationic lipid/DNA complexes. Surprisingly, little is known about the effects of these delivery vectors on cell functioning. In the present thesis, we show that cationic lipids and cationic lipid/DNA complexes strongly increase the intracellular Ca2+ concentration. The end point of the Ca2+ incre

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Moss, James Russell. "Assessment of Vineyard Nitrogen Management upon Grape Chemistry." Thesis, Virginia Tech, 2016. http://hdl.handle.net/10919/78150.

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To combat excessive vine vigor, many vintners have employed intensive cover cropping techniques. While cover crops provide a multitude of benefits to the farming system, they can compete for nutrients and water. The seemingly ubiquitous adoption of cover crops in the Eastern United States has led to vines and grape musts which are deficient in nitrogen (N). A must that is deficient in yeast assimilable nitrogen (YAN) can lead to the production of off aromas and stuck or sluggish fermentations. It has also been suggested that musts with limited amino nitrogen sources can result in wines with le

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Akhavan-Kharazian, Mahmood. "Calcium Amelioration of Salinity (Sodicity) on Nitrogen Fixation, Stomatal Resistance, Potassium/Sodium Ratio and Total Nitrogen of Phaseolus vulgaris L." DigitalCommons@USU, 1986. https://digitalcommons.usu.edu/etd/3352.

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Extreme salinity is one of the most common environmental constraints with which legume/rhizobia symbionts must deal in arid and semi-arid regions of the world. In some areas, with good management, it has been economically possible to ameliorate the saline soil with calcium. The objective of this study, therefore, was to investigate calcium amelioration of salinity (sodicity) on nitrogen fixation, stomatal resistance, potassium/sodium ratio, and total nitrogen of Phaseolus vulgaris L. Seeds of snapbeans were grown in pots under green house conditions and were irrigated with NaCl concentrations

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Huang, Yuh-Ming. "The effects of precipitation of calcium carbonate on soil pH following urea application." Thesis, University of Oxford, 1990. https://ora.ox.ac.uk/objects/uuid:a81844cb-c0c1-4dd3-a3c5-fc7a1b716021.

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This thesis describes a series of experiments both in solution systems and soil systems to study the precipitation of calcium carbonate in soils and the effects of the precipitation on soil pH after urea had been applied. (1) A gas bubbling system has been established which introduces ammonia at a steady rate to the reaction solution and keeps it equilibrated at 0.00484 atm partial pressure of carbon dioxide. (2) In a non-seeded system, the effects of calcium, urea, Mg (magnesium), P (phosphate), and DOC (water-dissolved organic matter) on the precipitation were examined individually and in va

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Ding, Guangwei, and 丁光炜. "Deep level transient spectroscopic study of nitrogen-implanted ZnO single crystal." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2010. http://hub.hku.hk/bib/B45541590.

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Hale, Andrea B. "Effects of pH and Calcium Level on Extrusion Textured Whey Protein Products." DigitalCommons@USU, 2000. https://digitalcommons.usu.edu/etd/5478.

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The effects of altering pH and calcium level during whey protein extrusion were assessed by measuring the protein solubility and WHC of the textured whey protein (TWP). TWP samples were produced by extruding dry mixtures of 2/3 WPC 80 (80% protein) and 1/3 cornstarch using screw speed of 200 rpms, feed rate of 23 g/min, water flow rate of 11 g/min, and product temperature of 150°C. The levels of acid and base were adjusted by adding concentrated HCl or NaOH, respectively, to the water source. Calcium was added to the raw mix in the form of calcium chloride dihydrate before extrusion at levels

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Libri sul tema "Nitrogen and calcium level"

Griepink, B. The certification of the contents of calcium, ammoniacal-nitrogen, nitrate-nitrogen, and total nitrogen in a sample ofcalcium ammonium nitrate fertiliser (BCR no. 178) and uric-nitrogen, biuret and total nitrogen in a sample of urea fertiliser (BCR no. 179). Luxembourg: Commission of the European Communities, 1985.

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Alexander, Richard B. County-level estimates of nitrogen and phosphorus fertilizer use in the United States, 1945 to 1985. Reston, Va: U.S. Dept. of the Interior, U.S. Geological Survey, 1990.

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Bhattarai, S. P. Set size regulation by seeding density and level of nitrogen application in the nursery. Pokhara: Lumle Regional Agricultural Research Centre, 1998.

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Larochelle, Elaine. Comparative "in vitro" study of chemical properties of cavity liners: PH level, calcium and fluoride release measurements. [Toronto: Faculty of Dentistry, University of Toronto], 1989.

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Halvorson, A. R. Estimates of salinity level produced by broadcast incorporated and band-applied fertilizer. Pullman, Wash: Washington State University Cooperative Extension, 1987.

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Griepink, B. The certification of the contents (mass fractions) of calcium, potassium, iron, phosphorus and nitrogen in a single cell protein (CRM no.273). Luxembourg: Commission of the European Communities, 1985.

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Hill, R. W. Flueless gas fires - concentration of carbon monoxide, carbon dioxide and nitrogen dioxide, and particulate level produced in use. Sudbury: HSE Books, 2003.

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Erickson, Stephen B., Hatem Amer, and Timothy S. Larson. Urolithiasis, Kidney Transplantation, and Pregnancy and Kidney Disease. Oxford University Press, 2012. http://dx.doi.org/10.1093/med/9780199755691.003.0475.

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It was previously assumed that all kidney stones crystallized as urine passed through the renal tubules and were retained by means of crystal-tubular cell interactions. Recently uroscopy with papillary biopsies has shown 2 different pathways for stone formation, both mediated by calcium phosphate crystals. Kidney transplant has become the preferred treatment for patients with end-stage renal disease. Those benefiting from transplant included patients who would be deemed "high risk," such as those with diabetes mellitus and those older than 70 years. Anatomical changes associated with pregnancy

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Lamb, Michael J. Influence of nitrogen form ratio and calcium on greenhouse and field performance of water-melon. 1990.

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Chandran, Kartik. Greenhouse Nitrogen Emissions from Wastewater Treatment Operations: Phase II Molecular Level Through Whole Reactor Level Characterization. IWA Publishing, 2016.

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Capitoli di libri sul tema "Nitrogen and calcium level"

Onek, L. A., P. J. Lea, and R. J. Smith. "Calcium, Dinitrogen Fixation and Calmodulin in a Nostoc." In Nitrogen Fixation, 405–9. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3486-6_86.

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Yates, John T. "Level Alarm-Liquid Nitrogen." In Experimental Innovations in Surface Science, 574–75. New York, NY: Springer New York, 1998. http://dx.doi.org/10.1007/978-1-4612-2304-7_169.

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Shailes, Sarah, and Giles E. D. Oldroyd. "Nod Factor-Induced Calcium Signaling in Legumes." In Biological Nitrogen Fixation, 533–46. Hoboken, NJ, USA: John Wiley & Sons, Inc, 2015. http://dx.doi.org/10.1002/9781119053095.ch54.

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Krstić, B., M. Sarić, and Zora Sarić. "Efficiency of Azotobacter Strains Depending on Nitrogen Level and Sugar Beet Genotypes." In Nitrogen Fixation, 329–31. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3486-6_68.

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Nys, Y., R. Bouillon, and D. E. M. Lawson. "Comparative Regulation at the Intestinal and Uterine Level of Calbindin mRNA in the Fowl." In Calcium Transport and Intracellular Calcium Homeostasis, 355–62. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-83977-1_34.

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Briukhanov, Aleksandr, Eduard Vasilev, Natalia Kozlova, Dmitry Maksimov, Ekaterina Shalavina, and Igor Subbotin. "Farm Level Assessment of Nitrogen Use Efficiency as Part of Environmental Management." In Just Enough Nitrogen, 379–90. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-58065-0_26.

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Cárdenas, L., J. Feijó, J. G. Kunkel, L. Vidali, J. Domínguez, F. Sánchez, P. Hepler, and C. Quinto. "Extracellular Calcium Flux in Root Hairs Responding to Nodulation Factors." In Highlights of Nitrogen Fixation Research, 149–52. Boston, MA: Springer US, 1999. http://dx.doi.org/10.1007/978-1-4615-4795-2_29.

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Tiwari, R. P., W. G. Reeve, J. M. Castelli, M. J. Dilworth, and A. R. Glenn. "Exopolysaccharides, Low pH and Calcium Interactions for Sinorhizobium." In Biological Nitrogen Fixation for the 21st Century, 516. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-5159-7_326.

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Schenk, M. K. "Regulation of nitrogen uptake on the whole plant level." In Progress in Nitrogen Cycling Studies, 277–83. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-011-5450-5_47.

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Rüegg, Johann Caspar. "Molecular Level Approaches to Excitation-Contraction Coupling in Heart and Skeletal Muscle." In Calcium in Muscle Contraction, 251–87. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-77560-4_11.

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Atti di convegni sul tema "Nitrogen and calcium level"

Fiore, Susan. "New FCAW Electrode for Producing Ultra-Clean High-Toughness Welds in X-80 and X-100 Steel." In 2016 11th International Pipeline Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/ipc2016-64361.

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The challenges associated with the welding of high-strength pipeline steels, such as X-80 and X100, are well established. While there are many filler metals that provide either adequate strength or good impact toughness, it is difficult to find products that provide both. Add to that the need for all-position welding and high deposition rates, and the options become almost non-existent. Several years ago, Hobart® Filler Metals began working on a line of flux-cored arc welding (FCAW) consumables that are unique in the welding industry. The products have a basic slag system, but do not operate l

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Karklina, Ilze, Zaiga Anna Zvaigzne, and Jelena Stola. "Chemical properties of needles as an indicator of nutrient status of fertilized coniferous stands." In Research for Rural Development 2020. Latvia University of Life Sciences and Technologies, 2020. http://dx.doi.org/10.22616/rrd.26.2020.012.

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Enhanced forest growth may respond to demand of woody resources and contribute to the climate change mitigation. Forest soil treatment with fertilizers, as well as drainage and thinning enhance forest growth. The analysis of needles is an established method in forest science to identify the nutrient status in the forest stand and need for forest soil enrichment with fertilizers. The aim of this research is to estimate the efficiency of forest soil enrichment with wood ash and ammonium nitrate in order to eliminate nutrient deficiency in forest stands. Forest soil was enriched with wood ash fer

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ČESONIENĖ, Laima, Kristina LINGYTĖ, Daiva ŠILEIKIENĖ, and Midona DAPKIENĖ. "GROUNDWATER QUALITY DYNAMICS IN THE TERRITORY OF FORMER PESTICIDE WAREHOUSE." In RURAL DEVELOPMENT. Aleksandras Stulginskis University, 2018. http://dx.doi.org/10.15544/rd.2017.097.

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Pesticides are used in intensive farming to help fight plant pests and diseases (insecticides, fungicides), kill weeds (herbicides), as well as accelerate the growth of seeds (defoliants), but until 1992 pesticides were kept in improperly equipped warehouses, there was no maintenance or accounting of the pesticides. Consequently, the environment of the warehouse was often polluted. Such sources of pollution are hazardous to the environment. Economic activities in the area have been carried out from 1980 to 1994. Various agricultural chemicals have been stored and used there. Later, in 1997, ch

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Usman, I. T., J. Carter, E. Sideras-Haddad, M. Jingo, C. O. Kureba, L. Donaldson, M. Latif, et al. "Spin- and Parity-Dependent Level Densities in Exotic Calcium Isotopes?" In International African Symposium on Exotic Nuclei. WORLD SCIENTIFIC, 2014. http://dx.doi.org/10.1142/9789814632041_0049.

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Wang, Tao, Limin Wang, Zhicheng Wang, and Yubei Liu. "The Liquid Nitrogen Level Measurement for Cryogenic Fuel Tank." In 2015 International Conference on Test, Measurement and Computational Methods. Paris, France: Atlantis Press, 2015. http://dx.doi.org/10.2991/tmcm-15.2015.15.

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Khotiaintsev, Sergei N., Katya Romo-Medrano, and Vladimir A. Svirid. "Optical-fiber discrete liquid-level sensor for liquid nitrogen." In Bruges, Belgium - Deadline Past. SPIE, 2005. http://dx.doi.org/10.1117/12.623438.

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Bannister, R. L., P. W. Pillsbury, R. C. Diehl, and P. J. Loftus. "Recent Test Results in the Direct Coal-Fired 80 MW Combustion Turbine Program." In ASME 1990 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1990. http://dx.doi.org/10.1115/90-gt-058.

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Under sponsorship of the Morgantown Energy Technology Center of the Department of Energy, the Westinghouse Electric Corporation and Avco Research Laboratory/Textron (ARL) are developing a direct coal-fired 80-MW combustion turbine. This is to be an element in a 207-MW direct coal-fired combustion turbine combined cycle, comprising another combustion turbine, a heat-recovery steam generator, and a steam turbine. Following conceptual and economic studies, the first experimental task has been to develop a direct coal-fired slagging combustor in small scale. A year’s testing with this unit has now

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Neamtu, Bogdan Mihai, Alexandru Farcuta, Beatrice Mihaela Radu, Andrei Dragomir, Ionela Maniu, and Daniel Dumitru Banciu. "Low Level Laser Modulation of Calcium Channels Leads to Neuronal Extensions Growth." In 2019 E-Health and Bioengineering Conference (EHB). IEEE, 2019. http://dx.doi.org/10.1109/ehb47216.2019.8969900.

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Otsuka, M., S. Marunaka, Y. Matsuda, A. Ito, P. Layrolle, H. Naito, and N. Ichinose. "Calcium Level-Responsive Zinc Ion Release from Tricalcium Phosphate Containing Zinc (ZnTCP)." In Proceedings of the 12th International Symposium on Ceramics in Medicine. WORLD SCIENTIFIC, 1999. http://dx.doi.org/10.1142/9789814291064_0137.

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Zhou, Lin, Qiulin Yue, Rongzong Cui, Lin Zhao, Lingxia Xu, and Xinli Liu. "Effect of Nitrogen Level on Trace Elements of Allium fistulosum L." In 2018 7th International Conference on Energy, Environment and Sustainable Development (ICEESD 2018). Paris, France: Atlantis Press, 2018. http://dx.doi.org/10.2991/iceesd-18.2018.223.

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Rapporti di organizzazioni sul tema "Nitrogen and calcium level"

BassiriRad, H., and V. Gutschick. Plant nitrogen budget under elevated carbon dioxide level: Regulation by nitrogen absorption and assimilation. Progress report, October 1, 1995--July 31, 1996. Office of Scientific and Technical Information (OSTI), September 1998. http://dx.doi.org/10.2172/656508.

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Elmore, M. R. WVNS Tank Farm Process Support: Experimental evaluation of an inert gas (nitrogen) to mitigate external corrosion of high-level waste storage tanks. Office of Scientific and Technical Information (OSTI), February 1996. http://dx.doi.org/10.2172/204211.

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Tsybekmitova, G. Ts, L. D. Radnaeva, N. A. Tashlykova, V. G. Shiretorova, A. K. Tulokhonov, B. B. Bazarova, and M. O. Matveeva. THE EFFECT OF CLIMATIC SHIFTS ON BIODIVERSITY OF PHYTOCENOSIS: LAKE ARAKHLEY (EASTERN SIBERIA, RUSSIA). DOICODE, 2020. http://dx.doi.org/10.18411/0973-7308-2020-35-3-77-90.

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Lake Arakhley is located within the Lake Baikal basin in Eastern Siberia, Russia. The area is characterized by continental subarctic climate with considerate diurnal temperature range, long cold dry winters and short hot summers with more precipitation occurring during the latter half of the summer. Climatic shifts in high water years and low water years result in morphometric changes in the lake and in the chemical and physical parameters of the ecosystem. During low water years, concentrations of ammonium nitrogen and nitrite nitrogen are decreased, whereas nitrate concentration increases. H

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Komppula, Birgitta, Tomi Karppinen, Henrik Virta, Anu-Maija Sundström, Iolanda Ialongo, Kaisa Korpi, Pia Anttila, Jatta Salmi, Johanna Tamminen, and Katja Lovén. Air quality in Finland according to air quality measurements and satellite observations. Finnish Meteorological Institute, September 2021. http://dx.doi.org/10.35614/isbn.9789523361409.

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In this report the current air quality in Finland has been assessed with air quality measurement data and satellite observations. The assessment of ambient air concentrations included following air impurities: NO2, NOx, PM10, PM2,5, SO2, CO, O3, benzo(a)pyrene, benzene, Pb, As, Cd ja Ni. For these pollutants air quality assessment thresholds are given in air quality legislation (2008/50/EY, 2004/107/EY). Assessment has been performed for air quality zones. The main data set included air quality measurements performed in Finland during 2015–2019. Satellite observations were used as an objective

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