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Letteratura scientifica selezionata sul tema "Effect of salt on"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 29 luglio 2024

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Articoli di riviste sul tema "Effect of salt on"

Kim, Bo Yeon, Yoon Joo Lee, Dong-geun Shin, Soo Ryong Kim, Woo Teck Kwon, Younghee Kim e Duck Kyun Choi. "Effect of Salt on Crystal Growth of Plate-like Alumina Particles by Molten-salt Method". Korean Chemical Engineering Research 53, n. 5 (1 ottobre 2015): 603–8. http://dx.doi.org/10.9713/kcer.2015.53.5.603.

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Krajnáková, Ľ., D. Kákoniová, D. Lišková e E. Hlinková. "The effect of benzothiazolium salt on spruce callus cells". Plant, Soil and Environment 56, No. 10 (20 ottobre 2010): 463–69. http://dx.doi.org/10.17221/149/2009-pse.

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The effect of 3-(benzyloxycarbonylmethyl)-2-benzothiazolinone (SM-550) on the growth parameters, cell division, and cell polymorphism of spruce callus cells (Picea abies L. Karst) was investigated. These results were compared with callus parameters grown on the medium supplemented with NAA. The highest concentration (1 mmol) of SM-550 stimulated the growth process, as well as cell division, shortened the lag-phase, and had a significant effect on cells polymorphism. Its effect was demonstrated especially on long-term culture (3 subcultures – 84 days). On the other hand, the highest stimulation of growth by SM-550 in 1 μmol concentration was determined only in the first subculture. SM-550 in the lowest concentration (1 nmol) used was completely unsuitable in the third subculture, the callus was necrotic and resembled to calli growing on the medium without growth hormones.

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Kim, Kee Hyun, Jee Hwa Kim e Ho Sueb Song. "The Effect of Salt in Medicine for Salt Pharmacopuncture". Acupuncture 32, n. 2 (20 giugno 2015): 131–45. http://dx.doi.org/10.13045/acupunct.2015026.

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Zhang, Keling, Xiaohong S. Li, Haobo Chen, Prabhakar Singh e David L. King. "Molten Salt Promoting Effect in Double Salt CO2 Absorbents". Journal of Physical Chemistry C 120, n. 2 (31 dicembre 2015): 1089–96. http://dx.doi.org/10.1021/acs.jpcc.5b10729.

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Partin, D. L. "Lead salt quantum effect structures". IEEE Journal of Quantum Electronics 24, n. 8 (1988): 1716–26. http://dx.doi.org/10.1109/3.7102.

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FURTER, WILLIAM F. "EXTRACTIVE DISTILLATION BY SALT EFFECT". Chemical Engineering Communications 116, n. 1 (agosto 1992): 35–40. http://dx.doi.org/10.1080/00986449208936042.

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Khushnudovna, Khojaniyazova Barno. "ТHE EFFECT OF DIFFERENT ENVIRONMENTAL SALT LEVELS ON AUTUMN WHEAT GROWTH". European International Journal of Multidisciplinary Research and Management Studies 02, n. 04 (1 aprile 2022): 29–32. http://dx.doi.org/10.55640/eijmrms-02-04-07.

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Soil salinity i.e. the presence of a solution of salts in the soil solution above the alternative level for plants, leads to a decrease in productivity, which has a negative impact on the growth and development of wheat plants. Complex environmental conditions lead to a decrease in product quality, which is important for the economy, while reducing the yield of wheat. Improving the salinity resistance of wheat remains one of the most pressing issues today. The most effective environmentally friendly way to increase the resistance of plants to salinity is to create varieties that are resistant to these extreme conditions and to accelerate their introduction into production.

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Laffer, Cheryl L., Rodney J. Bolterman, Juan Carlos Romero e Fernando Elijovich. "Effect of Salt on Isoprostanes in Salt-Sensitive Essential Hypertension". Hypertension 47, n. 3 (marzo 2006): 434–40. http://dx.doi.org/10.1161/01.hyp.0000202480.06735.82.

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Yan, Feiyu, Hongliang Zhao, Longmei Wu, Zhiwei Huang, Yuan Niu, Bo Qi, Linqing Zhang et al. "Basic Cognition of Melatonin Regulation of Plant Growth under Salt Stress: A Meta-Analysis". Antioxidants 11, n. 8 (19 agosto 2022): 1610. http://dx.doi.org/10.3390/antiox11081610.

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Salt stress severely restricts the growth of plants and threatens the development of agriculture throughout the world. Worldwide studies have shown that exogenous melatonin (MT) can effectively improve the growth of plants under salt stress. Through a meta-analysis of 549 observations, this study first explored the effects of salt stress characteristics and MT application characteristics on MT regulated plant growth under salt stress. The results show that MT has a wide range of regulatory effects on plant growth indicators under salt stress, of which the regulatory effect on root indexes is the strongest, and this regulatory effect is not species-specific. The intensity of salt stress did not affect the positive effect of MT on plant growth, but the application effect of MT in soil was stronger than that in rooting medium. This meta-analysis also revealed that the foliar application of a concentration between 100–200 μM is the best condition for MT to enhance plant growth under salt stress. The results can inspire scientific research and practical production, while seeking the maximum improvement in plant salt tolerance under salt stress.

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Yamamoto, A., H. Sawada, I. S. Shim, K. Usui e S. Fujihara. "Effect of salt stress on physiological response and leaf polyamine content in NERICA rice seedlings". Plant, Soil and Environment 57, No. 12 (1 dicembre 2011): 571–76. http://dx.doi.org/10.17221/413/2011-pse.

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NERICA is a new African rice variety, developed by the West African Rice Development Association (WARDA) in 1990s. NERICA rice shows both vigorous growth and tolerance of stressors such as drought and disease. The purpose of this study was to clarify the physiological and biochemical responses to salt stress of NERICA rice seedlings. The degree of growth inhibition caused by salt stress was small in NERICA rice varieties as compared with japonica Nipponbare. Na accumulation in leaf blades was high in salt-sensitive varieties. Accumulation of proline, a known compatible solute, was also induced by salt stress, especially in salt-sensitive varieties; it was thought that this accumulation was brought on salt-stress injury. The contents of polyamines, especially spermidine, were high in the pre-stressed leaf blades of NERICA rice seedlings. After the salt-stress treatment, the polyamine content of leaf blades differed with the degree of salt tolerance of the NERICA rice seedlings. These results suggested that the salt tolerance of NERICA rice seedlings might be associated not only with the regulation of Na absorption and translocation but also with their ability to maintain leaf polyamine levels under salt-stress conditions.  

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Tesi sul tema "Effect of salt on"

Cropper, Paul Edward. "A kinetic template effect in arylphosphonium salt formation". Thesis, Sheffield Hallam University, 1988. http://shura.shu.ac.uk/19513/.

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This thesis describes studies of a "kinetic template effect" which assists the formation of arylphosphonium salts from aryl halides and tertiary phosphines in the presence of a transition metal halide catalyst in refluxing ethanol. The "kinetic template effect" arises from the presence in the aryl halide of a limited range of orthosubstituents capable of intramolecular coordination with the metal at a critical stage of the reaction. In Chapter One, the "kinetic template effect" is compared with the better known "thermodynamic template effect". Earlier work on related "kinetic template effects" in the formation of aryl-phosphorus bonds is reviewed. The evidence for the possible involvement of aryl-metal intermediates in such reactions is also discussed. Chapter Two is concerned with the design and synthesis of potential template molecules. A model is proposed for the features necessary in the template substituent in terms of the nature and position of the donor atom or group essential for the replacement of the ortho-halogen under mild conditions. Chapter Three describes a kinetic study of the nickel (II) catalysed reactions of ortho-haloaryl Schiff's base and ortho-haloarylazo-dyestuff templates with tertiary phosphines. A rate law is deduced which indicates a first order dependence in each reactant, i.e. rate a [template] [phosphine] [catalyst], an overall third order expression. Rate studies also indicate that the nature of the orthohalogen is important, the order of replacement being I > Br > Cl. The effects of substituents remote from the ortho-haloaryl template are also considered. A mechanistic scheme consistent with the rate data is proposed. The X-ray crystal structures of two arylphosphonium salts derived from template aryl halides are discussed in Chapter Four, providing unequivocal proof that the position of replacement of halogen in substrates bearing more than one replaceable halogen, in different positions, is ortho with respect to the template donor group.

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Steward, Scott D. "The Effect of Salt Splash on Nylon 6,6". Thesis, Virginia Tech, 1999. http://hdl.handle.net/10919/35635.

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One of the most common environmental exposures that nylon undergoes, when used for automotive applications, is that of salt splash, which commonly occurs during winter driving. This study looks at the effect of various salts (NaCl, KCl, CaCl2) on the thermal and mechanical properties of nylon when exposed to one and four molar aqueous salt solutions. It was found that the diffusion of salt solutions into nylon 6,6 occurred in a pseudo-Fickian manner. Also, it was found that the presence of salt had an effect on the rate of decrease of yield stress with increasing exposure time. The presence of residual salt was found to accelerated deterioration of nylon 6,6, possibly via hydrolysis. In addition, it was found that residual salt was left after water was removed from the system and that this salt was removable.
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Andrade, Maria Isabel. "PHYSIOLOGY OF SALT TOLERANCE IN GUAR, CYAMOPSIS TETRAGONOLOBA (L.) TAUB". Thesis, The University of Arizona, 1985. http://hdl.handle.net/10150/275416.

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Morita, Tateo 1958. "Effect of inbreeding on germination salt tolerance in alfalfa". Thesis, The University of Arizona, 1987. http://hdl.handle.net/10150/276644.

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The performance of an alfalfa (Medicago sativa L.) population has been improved by recurrent selection for germination salt tolerance. However, recurrent selection may lead to increased inbreeding. Since alfalfa is subject to severe inbreeding depression, accumulation of inbreeding during the selection process may negatively affect performance. This experiment was designed to determine the effects of inbreeding on germination performance in alfalfa under saline and non-saline conditions. The germination performance of seed having three different levels of inbreeding as examined. No adverse effects of inbreeding were observed in non-saline conditions. Consistent (but nonsignificant) declining trends were observed in germination percentage in saline conditions as the level of inbreeding increased. Proportionately larger declines were observed between generations in germination speed and early seedling vigor. These results suggest heterozygosity in alfalfa may be maintained simultaneously while recurrent selection for germination salt tolerance is conducted. Moreover, reducing inbreeding during recurrent selection for germination salt tolerance may be more successful if germination speed index or early seeding vigor are used for the measurement.

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Kalifa, Ali. "Salt stress, and phosphorus absorption by potato plants cv. 'Russet Burbank'". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/mq29727.pdf.

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Alm, David Michael. "Comparison and interaction of heat and salt stress in cultured tobacco cells". Virtual Press, 1986. http://liblink.bsu.edu/uhtbin/catkey/445616.

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Cultured tobacco cells (Nicotiana tabacum L., cv Wisconsin-38) were subjected to temporary sub-lethal heat and salt shock treatments to determine the effects of these treatments on various physiological parameters after subsequent lethal heat or salt stresses. Tobacco cells developed a tolerance to a non-permissive temperature stress (54C for 14 min) when pretreated with heat shock of 38C for 2h but not when pretreated at 42C for 2h. Cells pretreated at 38 (2h) exhibited less than 30% normal growth when the 54C stress came immediately after the 38C treatment. Tolerance to the 54C stress developed with increased interval between shock and stress with cells exhibiting 95% normal regrowth when the 54C stress was administered 8h after the 38C shock. The developement of heat tolerance was inhibited if heat shock was done in the presence of a non-injuring level of EGTA (.0.5mM). Cells treated with EGTA during heat shock grew normally at 23C but not after a 54C heat stress. EDTA (0.5mM) had little effect on the acquisition of tolerance to heat stress.Wisconsin-38 cells developed a tolerance to a non-permissive salt stress (2% NaCl for 16h) when pretreated at a lower salt level (1.2% NaCl) for 3h. Cells heat shocked at 38C exhibited increased tolerance of the lethal salt stress up to 8h. Conversely, cells heat shocked at 42C exhibited immediate tolerance to lethal salt stress and this tolerance decayed over eight hours. The heat shock-induced acquisition of salt tolerance was inhibited by both EGTA and EDTA.Proteins synthesized during heat and salt stress treatments were labeled with [35S]-methionine and/or [3H]-leucine and separated using Sodium dodecylsulfate polyacrylamide gel electrophoresis. Fluorographic analysis of the gels indicate that a number of proteins are produced in response to heat shock. Similar analysis of proteins from salt shocked cells indicates that no salt shock proteins are produced in response to a brief low-level sodium chloride shock.

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McKimmie, Timothy Irving 1948. "CHARACTERIZATION OF SALT TOLERANCE IN ALFALFA (MEDICAGO SATIVA L.)". Thesis, The University of Arizona, 1986. http://hdl.handle.net/10150/276348.

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Atkinson, Janelle. "A salt on the land: The osmolyte production and physiological responses of selected Myrtaceae species exposed to salt and water stress". Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2005. https://ro.ecu.edu.au/theses/135.

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Glasshouse trials were conducted on Calothamnus quadrifidus, Eucalyptus camaldulensis and Melaleuca uncinata to test relative tolerance and uniformity of response in the Myrtaceae family to salt, waterlogging and salt x waterlogging. Seed sources from both saline (SA) and non-saline areas were used to compare differences in survival, growth and proline production to these stresses.

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Attumi, Al-Arbe. "Effect of salt stress on phosphorus and sodium absorptions by soybean plants". Thesis, McGill University, 1997. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=20242.

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The radiotracer methodology was combined with the Hoagland solution culture of growing soybean in a greenhouse to investigate the absorptions of phosphorus (P), calcium (Ca), and sodium (Na) as a function of salinity. Salt stress was varied by using zero to 120 mM NaCl. The research was initiated because of a need to increase soybean production in the saline soils of the semi-arid regions of the world. Although P absorption increased with time at each concentration of NaCl, increasing its concentrations ([NaCl]) to 120 mM reduced P uptake considerably. The addition of inorganic P (Pi) to the salt medium improved P absorption significantly (P < 0.0001) in stem, petiole, and roots. Polynomial regressions showed the relationship between 22Na activity and [NaCl] for leaves and petiole to be cubic (R2 = 1) while in the stem a quadratic relationship prevailed. A maximum of P and Na absorption was observed at 40 mM NaCl. The relationship between 32P activity and increasing [NaCl] was linear for the roots (a positive slope) and the stem (a negative slope). 45Ca and 32P dual labelling part of the experiments failed to produce results because an unexpectedly high degree of tissue quenching which prevented from obtaining the minimum counting requirements for separation. Shoot fresh and dry weights decreased linearly with increasing [NaCl] as did the root fresh and dry weights. Leaf chlorophyll content during the last week of the final harvest showed a linear relationship with time. Chlorophyll increased with time linearly when the growth medium contained zero and 40 mM NaCl; whereas a negative slope was obtained for 80 and 120 mM NaCl. It seems that P fertilization of the soil could ameliorate the salt effect. 22 Na uptake results indicated that there is a mechanism for exclusion of Na from soybean plant parts.

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Khrais, Tala. "Evaluation of salt tolerance in potato (Solanum spp.)". Thesis, McGill University, 1996. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=23901.

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This research was carried out to identify salt tolerant potato genotypes in vitro among 131 tetraploid potato cultivars (Solanum tuberosum), 9 diploid simple hybrid clones (4 clones of S. chacoense $ times$ S. tuberosum, 4 clones of S. phureja/S. stenotomum $ times$ S. tuberosum, and 1 clone of S. tuberosum $ times$ S. tuberosum), 1 primitive cultivated diploid S. phureja/S. stenotomum accession, 12 tetraploid complex hybrids, and 13 diploid S. chacoense accessions. Four levels of NaCl (0, 40, 80, and 120 mM) were used. The cultivars, and the simple and complex hybrids were tested for salt tolerance at the vegetative stage in the nodal cutting bioassay. The thirteen S. chacoense accessions were tested for salt tolerance at the germination and early seedling growth stage, in a seedling bioassay. Eleven of these S. chacoense accessions were further tested at the vegetative stage, in the nodal cutting bioassay. There was a progressive decline in the morphological parameters measured, with increased salt levels, in the nodal cutting bioassay. The parameters were used collectively in ranking the different genotypes, averaged over three NaCl levels (40, 80, and 120 mM). Twenty potato cultivars, two clones of the simple hybrid S. chacoense $ times$ S. tuberosum, and one complex hybrid were all considered salt tolerant at the vegetative stage. Ranking of seven S. chacoense accessions was similar between early seedling growth and later vegetative stage. Two of these accessions were promising as sources of salt tolerance.

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Libri sul tema "Effect of salt on"

Goudie, Andrew. Salt weathering. Oxford: University of Oxford School of Geography, 1985.

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Goudie, Andrew. Salt weathering. Oxford: School of Geography, University of Oxford, 1985.

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Navarrete, Francisco Fernández. La sal admirable de España (1738): Discurso médico-histórico y físico-analítico. Almería ; Barcelona: Griselda Bonet Girabet, 1998.

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Organization, Pan American Health, Conference on Fluorides (1982 : Vienna, Austria) e International Symposium on Salt Fluoridation (1st : 1977 : Medelli n, Columbia), a cura di. Salt fluoridation. Washington, D.C: Pan American Health Organization, Pan American Sanitary Bureau, Regional Office of the World Health Organization, 1986.

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Symposium, on Salt (7th 1992 Kyoto Japan). Seventh Symposium on Salt. Amsterdam: Elsevier, 1993.

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World Salt Symposium (8th 2000 Hague, Netherlands). 8th World Salt Symposium. Amsterdam: Elsevier, 2000.

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University of Oxford. School of Geography, a cura di. Salt weathering. Oxford (Mansfield Rd., Oxford, OX1 3TB): School of Geography, University of Oxford, 1985.

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Oms, Esther Clavero i. Diatomees d'ambients hipersalins costaners: Taxonomia, distribució i empremtes en el registre sedimentari ; Premi Pius Font i Quer de Botànica 2005. Barcelona: Institut d'Estudis Catalans, 2009.

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Shabala, Sergey. Potassium transporters and plant salt tolerance. York: International Fertiliser Society, 2007.

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Shabala, Sergey. Potassium transporters and plant salt tolerance. York: International Fertiliser Society, 2007.

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Capitoli di libri sul tema "Effect of salt on"

Delgado, João M. P. Q., Fernando A. N. Silva, António C. Azevedo e Ariosvaldo Ribeiro. "Effect of Soluble Mineral Salts". In Salt Damage in Ceramic Brick Masonry, 29–52. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-47114-9_4.

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Tremillon, Bernard L. "Acid-Base Effects in Molten Electrolytes". In Molten Salt Chemistry, 279–303. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3863-2_14.

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Nakagawa, Masao, Kazuo Takeda, Tatsuo Yoshitomi, Hiroshi Itoh, Tetsuo Nakata e Susumu Sasaki. "Antihypertensive Effect of Taurine on Salt-Induced Hypertension". In Advances in Experimental Medicine and Biology, 197–206. Boston, MA: Springer US, 1994. http://dx.doi.org/10.1007/978-1-4899-1471-2_20.

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Kapoor, Riti Thapar. "Effect of Calcium Silicate Supplementation on the Growth of Trigonella Foenum-Graecum L. Variety Hisar Sonali Under Saline Conditions". In Proceedings of the Conference BioSangam 2022: Emerging Trends in Biotechnology (BIOSANGAM 2022), 214–24. Dordrecht: Atlantis Press International BV, 2022. http://dx.doi.org/10.2991/978-94-6463-020-6_21.

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AbstractSalinity is a major abiotic stress which decreases crop productivity. Salt stress also causes osmotic, water, ionic and oxidative stresses. Plants exposure to salt can check their growth by reduction in water and nutrient uptake, osmotic imbalance and cytotoxicity incited by sodium and chloride ions. Present study deals with the impact of salt on germination, growth and physiological components of fenugreek and its alleviation by the application of calcium silicate. The salt stress reduced fenugreek germination and growth but supplementation of calcium silicate to salt stressed seedlings mitigated deleterious impacts of salinity. Various parameters like germination, seedling length, biomass, pigment and protein contents of fenugreek seedlings were significantly improved with calcium silicate under salt stress. Maximum reduction 53.3% in protein amount was recorded in fenugreek seedlings treated with NaCl (10 mM) over control. Significant increase in total antioxidant content in fenugreek seedlings was observed with calcium silicate as it showed the following order: Ca2SiO4 > NaCl + Ca2SiO4 > NaCl > Control. Hence, application of calcium silicate can be useful for the fenugreek plants growing under saline conditions.

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Smaoui, A., e A. Cherif. "Effect of Salt on Lipid Reserves of Cotton Seeds". In Biological Role of Plant Lipids, 541–42. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4684-1303-8_120.

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Senapati, Swagatika, Subhadeep Banerjee e T. Thyagaraj. "Effect of Salt Solution on Engineering Behaviour of Soil". In Lecture Notes in Civil Engineering, 497–503. Singapore: Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-6456-4_51.

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Li, Yuan Hui, De Fu Luo e Shao Xu Wu. "Effect of QPQ Salt Bath Oxidation on Corrosion Resistance". In Solid State Phenomena, 209–14. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/3-908451-25-6.209.

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Bidalia, Ankita, Krati Vikram, Gupta Yamal e K. S. Rao. "Effect of Salinity on Soil Nutrients and Plant Health". In Salt Stress, Microbes, and Plant Interactions: Causes and Solution, 273–97. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-8801-9_13.

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Geissler, Nicole, Bernd Huchzermeyer e Hans-Werner Koyro. "Effects of Salt Stress on Photosynthesis Under Ambient and Elevated Atmospheric CO2 Concentration". In Salt Stress in Plants, 377–413. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-6108-1_15.

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Hurkman, William J. "Effect of salt stress on plant gene expression: A review". In Genetic Aspects of Plant Mineral Nutrition, 187–93. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1650-3_24.

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Atti di convegni sul tema "Effect of salt on"

Arai, Takahiro, e Masahiro Furuya. "Effect of Hydrated Salt Additives on Film Boiling Behavior at Vapor Film Collapse". In 16th International Conference on Nuclear Engineering. ASMEDC, 2008. http://dx.doi.org/10.1115/icone16-48254.

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A high-temperature stainless-steel sphere was immersed into various salt solutions to test film boiling behavior at vapor film collapse. The film boiling behavior around the sphere was observed with a high-speed digital-video camera. Because salt additives enhanced condensation heat transfer, the observed vapor film was thinner. Surface temperature of the sphere was measured. Salt additives increased the quenching (vapor film collapse) temperature, because frequency of direct contact between sphere surface and coolant increased. Quenching temperature rises with increased salt concentration. The quenching temperature, however, approaches a constant value when the slat concentration is close to its saturation concentration. The quenching temperature is well correlated with ion molar concentration, which is a number density of ions, regardless of the type of hydrated salts.

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"The effect of fluoride based salt etching in the synthesis of Mxene". In Sustainable Processes and Clean Energy Transition. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902516-8.

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Abstract. Here we reported the effect of fluoride-based salt etching in the synthesis of Ti3C2 MXene by etching Ti3AlC2 MAX phase precursor. Lithium fluoride (LiF) and ammonium fluoride were the fluoride-based salts were chosen as an etching agent in this study. The optimum etchant concentration and etching temperature of the MAX phase were evaluated. The presence of aluminium etched was determined by using the Inducted Couple Plasma Optical Emission Spectrometry (ICP-OES). The initial concentration of aluminium in Ti3AlC2 precursor was estimated based on the data from Energy Dispersive X-Ray Analysis (EDX). The study shows that the optimum etchant concentration of LiF is 5M and NH4F is 3M. Room temperature is the optimum etching temperature due to the exothermic reaction of the process. Compared to LiF, NH4F is the preferred salt for in-situ HF fluoride-based salt etchant due to the capability of the salt to etch the maximum amount of Al at a low concentration of 3M within 24 hours at room temperature.

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El Far, Baha, Syed Muhammad Mujtaba Rizvi, Yousof Nayfeh e Donghyun Shin. "Effect of Synthesis Protocol in Enhancing Heat Capacity of Molten Salt Nanofluids". In ASME 2020 14th International Conference on Energy Sustainability. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/es2020-1709.

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Abstract Concentrated solar power (CSP) incorporated with thermal energy storage (TES) is an appealing solar energy generation technology. TES stores heat during the daytime and releases it in the nighttime. As a result, CSP can produce continuously even at night. Storing heat by TES makes CSP a unique technology among various renewable energy sources which often suffer from the intermittency of energy supply (e.g., wind turbines without wind, photovoltaics at night, etc.). The energy conversion efficiency of CSP is directly related to the properties of the TES medium. Binary or ternary mixtures of molten salts (Solar Salt) are commonly used as the TES in CSP due to its high-temperature stability. Enhancing the thermophysical properties of the molten salt medium can significantly improve TES performance. Various studies have reported the anomalous specific heat enhancement of molten salt-based nanofluids. However, the underlying mechanism for this enhancement was yet discovered. In this study, the effect of different synthesis conditions on the resultant specific heat capacity of molten salt-based nanofluids was investigated. Several molten salt nanofluids (NaNO3–KNO3 with SiO nanoparticles at 1 wt. % concentration) were prepared at different thermal cycling conditions and their thermal performance was characterized by a differential scanning calorimeter (DSC).

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Pavlikova, Milena, e Zbysek Pavlik. "SALTS ACCUMULATION EFFECT ON DURABILITY OF NON-HYDROPHOBISED RENOVATION PLASTERS". In 23rd SGEM International Multidisciplinary Scientific GeoConference 2023. STEF92 Technology, 2023. http://dx.doi.org/10.5593/sgem2023/6.1/s26.40.

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This paper focuses on the experimental testing of hydrated lime-, natural hydraulic lime-, and lime-cement-based mortars with improved salt accumulation capacity. Moreover, the effect of varying content of non-hydrophobised expanded perlite (EP) in the mortars on their durability was investigated. The substation of silica sand by expanded perlite was 25%, 50%, 75% and 100% by volume. A modified method based on the adsorption of free salt ions from solution was used to measure the chloride binding isotherms. The salt concentration was analyzed using an apparatus working on liquid chromatography technique. The data acquired were compared with reference mortars with natural silica sand as an only aggregate. The use of expanded perlite significantly increased the chloride binding capacity of the tested mortars, while no deterioration was observed for samples contaminated with salts. The results obtained thus validated the applicability of most of the mortars tested for the repair of masonry structures including the restoration of renders and plasters. When repairing historic masonry, compatibility issues must be considered, in this case with respect to the type of binder used.

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Anderson, K., O. Chvála, S. Skutnik e A. Wheeler. "Plutonium Diversion Effect on Molten-Salt Reactor Dynamics". In Tranactions - 2019 Winter Meeting. AMNS, 2019. http://dx.doi.org/10.13182/t31324.

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Campos, Gilson, Cristina Alex Simao, Cristiane Richard de Miranda, Sandip Patil, Abhimanyu Deshpande, Rahul C. Patil e Kris Ravi. "Salt Tolerant Cement Systems to Mitigate Gelling Effect". In IADC/SPE Asia Pacific Drilling Technology Conference. Society of Petroleum Engineers, 2014. http://dx.doi.org/10.2118/170477-ms.

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Amir, Nizar, Vera R. Febriyanti, M. Misbakhul Aminullah e Teguh Prasetyo. "Effect of operating parameters on the quality of solar salt in novel salt processing technology". In PROCEEDINGS OF THE 4TH INTERNATIONAL CONFERENCE ON GREEN CIVIL AND ENVIRONMENTAL ENGINEERING (GCEE 2023). AIP Publishing, 2024. http://dx.doi.org/10.1063/5.0192159.

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Tiznobaik, Hani, e Donghyun Shin. "Experimental Study of the Effect of Nanoparticle Concentration on Thermo-Physical Properties of Molten Salt Nanofluids". In ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-12166.

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Abstract Increased in thermo-physical properties of molten salt nanofluids have been reported. These findings makes molten salts nanofluids one of the most promising thermal energy storage media. One of the main application of these types of materials are in concentrated solar power plants. In this study, an investigation is performed on nanofluids specific heat capacity mechanisms in order to provide a reasonable description of the specific heat capacity enhancement of nanofluids. Then, a comprehensive experiments are performed on the effects of nanoparticles concentration on the specific heat capacity and materials characterization of molten salt nanofluids. This study is performed to analyze the optimum amount of nanoparticle and find the way to maximize the effects of nanoparticle on thermophysical properties of molten slat. Different molten salts nanofluids with varying nanoparticles concentration were synthesized. The specific heat capacities of mixtures were measured by a modulated scanning calorimeter. Moreover, the material characterization analyses were performed using scanning electron microscopy to investigate the micro-structural characterization of different nanofluids.

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Reshef, M. "The Characteristics of the Messinian Salt and their Effect on the Imaging of the Pre-Salt Section Over the Eastern Mediterranean Basin". In EAGE/SPE Workshop on Sub-Salt Imaging. Netherlands: EAGE Publications BV, 2014. http://dx.doi.org/10.3997/2214-4609.20132099.

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Yamamoto, Takahisa, Koshi Mitachi e Takashi Suzuki. "Steady State Analysis of Molten Salt Reactor in Consideration of the Effect of Fuel Salt Flow". In 12th International Conference on Nuclear Engineering. ASMEDC, 2004. http://dx.doi.org/10.1115/icone12-49077.

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The Molten Salt Reactor (MSR) is a thermal neutron reactor with graphite moderation and operates on the thorium-uranium fuel cycle. The feature of the MSR is that fuel salt flows the inside of the reactor accompanying nuclear fission reaction. In the previous study, the authors had developed numerical model to simulate the effects of the fuel salt flow on the reactor characteristics. This paper applies the model to the steady state analysis of the small MSR system and estimates the effects of the fuel flow. The model consists of two group diffusion equations for fast and thermal neutron fluxes, balance equations for six-group delayed neutron precursors and energy conservation equations for fuel salt and graphite moderator. The following results are obtained: (1) the fuel salt flow affects the distributions of the delayed neutron precursors, especially long-lived one, and (2) the extension of residence time in the external loop system and the rise of fuel inflow temperature slightly show negative reactivity effects, decreasing neutron multiplication factor of the small MSR system.

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Rapporti di organizzazioni sul tema "Effect of salt on"

Gray, W. J. Effect of surface oxidation, alpha radiolysis, and salt brine composition on spent fuel and UO/sub 2/ leaching performance: Salt Repository Project. Office of Scientific and Technical Information (OSTI), giugno 1988. http://dx.doi.org/10.2172/6783908.

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Bradshaw, Robert W., e W. Miles Clift. Effect of chloride content of molten nitrate salt on corrosion of A516 carbon steel. Office of Scientific and Technical Information (OSTI), novembre 2010. http://dx.doi.org/10.2172/1002088.

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Demirbas, Sefer, e Alpay Balkan. The Effect of H2O2 Pre-treatment on Antioxidant Enzyme Activities of Triticale under Salt Stress. "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences, agosto 2020. http://dx.doi.org/10.7546/crabs.2020.08.17.

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Brosnahan e DeVries. PR-317-10702-R01 Testing for the Dilation Strength of Salt. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), dicembre 2011. http://dx.doi.org/10.55274/r0010026.

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A laboratory testing program on rock salt specimens was performed using test conditions that are consistent with the stresses that are experienced near the surfaces of salt caverns during storage operation. The proposed work effort focuses on improving the methodology for defining the onset of dilation for rock salt. Geomechanical studies use dilation criteria to assess the potential for salt damage that can lead to spalling in the cavern roof and/or walls and subsequent damage to the cavern or hanging string. This constraint is often the one that limits the minimum gas pressure in a natural gas storage cavern. This report documents the PRCI funded follow-on activities to the recently completed Gas Storage Technology Consortium project [DeVries, 2010]. The work activities completed include the following: Laboratory dilation strength testing of eight specimens having preconditioning durations longer than 10 days. Numerical modeling to identify and optimize an appropriate specimen shape for dilation testing in triaxial extension states of stress. Laboratory constant mean stress extension testing on the optimized specimen shape. DeVries [2010] documented the effects of the preconditioning durations on the dilation strength of salt specimens. Preconditioning of specimens is the process whereby specimens are subject to a relatively high hydrostatic stress for a specified period of time. It is believed that preconditioning mitigates some of the damage to the specimens induced by coring, transporting, and specimen preparation. The study documented by DeVries [2010] suggests that increasing the preconditioning duration increases the dilation strength of salt, with the maximum precondition duration limited to 10 days. This project expands upon these findings through additional testing to determine if preconditioning durations longer than 10 days has any additional benefit. In addition to the preconditioning task, this study will also investigate the variability issues observed during dilation strength tests performed under triaxial extension states of stress. It is hypothesized that the high variability seen in extensional test results might be attributed to end effects caused by (1) the friction at the specimen-platen interface and (2) specimens breaking outside the range measured by gages. To help reduce frictional effects and breakage location issues, numerical models of alternate specimen shapes were created to provide a basis for testing a new specimen geometry. Laboratory tests were performed on the new specimen geometry to validate any of its possible benefits.

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Jacobs, R. A. Response of DWPF thermal flowmeters to composition change: Effect on 02 determination in Salt Process Cell. Office of Scientific and Technical Information (OSTI), febbraio 1992. http://dx.doi.org/10.2172/10136686.

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Gorham, P. Accelerator Measurments of the Askaryan Effect in Rock Salt: A Roadmap Toward Teraton Underground Neutrino Detectors. Office of Scientific and Technical Information (OSTI), dicembre 2004. http://dx.doi.org/10.2172/839783.

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Kirova, Elisaveta. Effect of Nitrogen Nutrition Source on Antioxidant Defense System of Soybean Plants Subjected to Salt Stress. "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences, febbraio 2020. http://dx.doi.org/10.7546/crabs.2020.02.09.

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West, Terry, H. Park e S. Grover. Effects of Salt and Its Trace Minerals on Aggregate in Bituminous Pavements. West Lafayette, IN: Purdue University, 1999. http://dx.doi.org/10.5703/1288284313200.

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Chandra, S., C. A. Ortiz e A. R. McFarland. Effects of salt loading and flow blockage on the WIPP shrouded probe. Office of Scientific and Technical Information (OSTI), agosto 1993. http://dx.doi.org/10.2172/10120732.

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