Relevant bibliographies by topics / Pot experiment

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Academic literature on the topic 'Pot experiment'

Author: Grafiati
Published: 4 June 2021
Last updated: 9 February 2022

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Journal articles on the topic "Pot experiment"

1

Weatherley, AJ, MDA Bolland, and RJ Gilkes. "A comparison of values for initial and residual effectiveness of rock phosphates measured in pot and field experiments." Australian Journal of Experimental Agriculture 28, no. 6 (1988): 753. http://dx.doi.org/10.1071/ea9880753.

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The effectiveness of Calciphos (500�C calcined calcium-aluminium C-grade rock phosphate from Christmas Island), Queensland rock phosphate (low carbonate substituted apatite, from Duchess deposit, Northern Queensland [QRP]), and granular North Carolina rock phosphate (highly carbonate substituted apatite from U.S.A. [NCRP]) were compared with the effectiveness of monocalcium phosphate (MCP) fertilisers in pot and field experiments. Three different lateritic soils from south-western Australia and different plant species were used. In the pot experiment, the effectiveness of the fertilisers was measured relative to freshly applied MCP for 5 successive crops. Subterranean clover, oats, triticale and barley were grown for about 1 month before harvesting. In the field experiment, the same plants were grown, and the effectiveness of the fertilisers was measured relative to freshly applied triple superphosphate for 3 successive years. On a dry matter yield basis, the effects of freshly applied rock phosphate dressings measured in the pot experiment were in a similar range to those measured in the field experiment for the same soil types, and the same plant species, indicating that pot trials can substitute for field trials for the evaluation of the initial effectiveness of fertilisers. However, the residual effectiveness values for both MCP and the RPs were generally much lower for the pot experiment, indicating that pot experiments cannot replace long-term field experiments for the reliable measurement of residual effectiveness of fertilisers. For the pot experiment, the relative effectiveness values of freshly applied NCRP and Calciphos for all soils were 0.2-0.3 and 0.1-0.2 respectively. The corresponding values for the field experiment were 0.1-0.3 for NCRP and 0.1 for Calciphos. For the pot experiment, the relative effectiveness of freshly applied QRP on all soils ranged from 0.03 to 0.1, compared with from 0.1 to 0.3 for the field experiment. The relative effectiveness of all fertilisers declined markedly with successive crops (i.e. crops 2-5) in the pot experiment, whereas in the field experiment the relative effectiveness of QRP and NCRP showed no systematic change for the 3-years of the experiment. For the pot experiment the relative effectiveness of residual MCP decreased to about 0.3, 0.2 and 0.1, compared with 0.5, 0.2 and 0.5 for the field experiment for West Dale, South Bodallin and Gibson soils, respectively. For the pot experiment and for all soils the residual relative effectiveness of NCRP and Calciphos was about 0.01- 0.04, compared with 0.003-0.02 for QRP. For the field experiment the corresponding values were 0.05-0.2 for NCRP and Calciphos and 0.01-0.1 for QRP. For both the pot and the field experiments the relationship between yield and phosphorus content was sometimes dependent on fertiliser type.
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Čechmánková, J., R. Vácha, J. Skála, and M. Havelková. "Heavy metals phytoextraction from heavily and moderately contaminated soil by field crops grown in monoculture and crop rotation." Soil and Water Research 6, No. 3 (September 19, 2011): 120–30. http://dx.doi.org/10.17221/26/2010-swr.

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&nbsp; The uptake of Pb, Cd, Zn and biomass production of the plants Brassica juncea v. Opaleska, Triticale hexaploides var. Gabo and Helianthus annuus v. Maritza were observed in a field (trial) and a pot experiments during four years. The plants were grown in monoculture variants and also in crop rotation. The field experiment (plots about 1 &times; 1 m) was set up in heavily contaminated Haplic Fluvisol in the Litavka River alluvium. Pb, Cd, and Zn phytoextraction from the identical Haplic Fluvisol and Haplic Cambisol less contaminated mainly by atmospheric deposition was observed in the pot experiment. The application of 0.2 g EDTA (ethylenediaminetetraacetic acid)/kg and 1 g citric acid/kg into the soils of field (250 kg of soil/m<sup>2</sup> plot) and pot (6 kg of soil/pot) experiments was realized. The comparison was accomplished between natural phytoextraction efficiency of B. juncea, H. annuus, and T. hexaploides. Crop rotation with and without chemical induction was tested. EDTA application had an immediate strong mobilization effect on the elements tested in both experiments and both soils. In the pot experiment, Pb, Cd, and Zn were more mobilized in Cambisol with initial lower mobile contents of elements in comparison with Fluvisol. The highest mobilization by EDTA was achieved for Pb. Strong Pb mobilization in Cambisol after EDTA addition resulted in a high Pb&nbsp;uptake and translocation from the roots of B. juncea into the shoots. EDTA application increased Pb&nbsp;phytoextraction by harvested B. juncea. Naturally grown H. annuus proved the high phytoextraction efficiency for Cd and Zn in the experiment. The assumed effect of the cultivation method, i.e. crop rotation vs. Monoculture, was not statistically proved in our experiments.
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Conover, C. A. "019 USE OF PACLOBUTRAZOL TO INCREASE LEAF SIZE AND SALABILITY OF Epipremnum aureum `Golden Pothos' ON TOTEMS." HortScience 29, no. 5 (May 1994): 430c—430. http://dx.doi.org/10.21273/hortsci.29.5.430c.

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Results of a preliminary experiment using paclobutrazol at 0, 12 or 24 mg a.i./3.6-liter pot indicated that its use could enhance the appearance of pothos, but that some refinement of paclobutrazol rates should be made. Two experiments were conducted to determine the rate of paclobutrazol necessary to increase leaf size and optimize plant quality of pothos on totems in 3.6-liter pots grown under shadecloth providing 50% light penetration. In Experiment 1, rooted pothos cuttings were transplanted around a totem pole in a 3.6-liter pot and each pot was treated with a 250-ml drench of water containing Bonzi™ at 0, 4, 8, 12 or 16 mg a.i. Four mg a.i. of paclobutrazol yielded the most desirable plants, based on average leaf size, vine length and plant grade. Experiment 2 was designed to further refine the paclobutrazol application rate. Rooted cuttings of pothos were transplanted around a totem pole in a 3.6-liter pot and each pot was treated with a 100-ml drench of water containing paclobutrazol at 0, 1.32, 2.64, 3.96, 5.28, 6.60 or 7.92 mg a.i. Paclobutrazol applied at a rate of 5.28 mg a.i./3.6-liter pot optimized plant appearance by increasing leaf size and plant grade.
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Agbaglo, Samuel Y., Seloame T. Nyaku, Hannah D. Vigbedor, and Eric W. Cornelius. "Pathogenicity of Meloidogyne incognita and Fusarium oxysporum f. sp. vasinfectum on Growth and Yield of Two Okra Varieties Cultivated in Ghana." International Journal of Agronomy 2020 (July 25, 2020): 1–12. http://dx.doi.org/10.1155/2020/8824165.

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The interaction of the fungus, Fusarium oxysporum f. sp. vasinfectum (FOV), and the nematode, Meloidogyne incognita, on wilt disease on “Essoumtem” and Clemson spineless okra varieties, was examined in pot and field experiments from September 2016 to June 2017, in the University of Ghana farms. Four-week-old “Essoumtem” and Clemson spineless seedlings for pot experiment and one-week-old “Essoumtem” and Clemson spineless seedlings for field experiment were inoculated with fungus, Fusarium oxysporum, and nematode, Meloidogyne incognita. The individual, simultaneous, and sequential inoculation of second stage juveniles (at 1000 J2/kg soil) of Meloidogyne incognita and Fusarium oxysporum (1.1 × 106 cells/kg soil) resulted in significant reduced plant growth parameters (plant height, plant girth, chlorophyll content, fresh and dry shoot weights, and fresh and dry root weights). Maximum suppression in plant growth parameters was observed in plants that received NF21 (Fusarium oxysporum inoculated 21 days after Meloidogyne incognita on okra) and F21 (fungus inoculated 21 days after seedling emergence) treatments for pot and field experiments, respectively. The least suppression of plant growth parameters was observed in separate inoculations of the two pathogens for both pot and field experiments. Maximum suppression in yield parameters was observed in okra plants that received NF21 and F21 treatments for pot and field experiments, respectively. Minimal yield suppression was observed for individual inoculations (N and F treatments) in both pot and field experiments. The highest severity of wilt disease was observed on okra plants that received NF21 and F21 treatment in both pot and field experiments. Plants in control plots had higher yields and the least wilt incidences (0.0%).
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Salo, Tapio, Liisa Pietola, and Raili Jokinen. "The effect of chloride and nitrogen on nitrate accumulation and yield in beetroot (Beta vulgaris var. conditiva)." Agricultural and Food Science 1, no. 3 (May 1, 1992): 351–60. http://dx.doi.org/10.23986/afsci.72445.

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A pot and a field experiment were conducted to evaluate the effects of different nitrogen and chloride fertilizer levels on the nitrate content of beetroot. The yield and dry matter content were also determined. Sulphate fertilization was used as a control to chloride fertilization. There was a considerable decrease in the nitrate content of beetroots during the growing season. High nitrogen fertilization caused nitrate accumulation in both experiments. Chloride had a significant decreasing effect on the nitrate accumulation towards the middle of the growing period in the pot experiment. In the field experiment, chloride also decreased nitrate accumulation towards the middle of the growing period, soon after additional application of ammonium nitrate limestone (13.8 % NH4-N; 13.7 % NO3-N). Chloride tends to decrease nitrate accumulation only at an early stage of root development when nitrate is not the only source of nitrogen in the soil. The yield was higher on high nitrogen supply, in the pot experiment also on chloride application. Nitrogen decreased the dry matter content, but chloride had this effect only in the field experiment.
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Pham, Duong T. T. "Effect of nitrogen levels on growth and development of three Lisianthus (Eustoma grandiflorum (Raf.) Shinn) cultivars pot-planted in Ho Chi Minh City." Journal of Agriculture and Development 19, no. 04 (June 30, 2020): 10–17. http://dx.doi.org/10.52997/jad.2.04.2020.

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Lisianthus (Eustoma grandiflorum (Raf.) Shinn) is favored in decoration because of its long-lasting and colorful flowers. The objective of the experiment was to evaluate the effects of different levels of nitrogen on the growth and development of three Lisianthus cultivars pot-planted in Ho Chi Minh City. The experiment was laid out in split - plot design (SPD) with four levels of nitrogen (3; 4; 5; 6 g/pot) being the main factor and three Lisianthus cultivars (Pink; Yellow; White/Purple) being the subordinate factor. Each pot was planted with one plantlet. The results indicated that plants applied with 4.0 g nitrogen per pot gave the best performance in plant height (18.41 cm) and number of leaves (24.08 leaves/plant) at 60 days after planted (DAP). The Pink cultivar reached the highest plant height (19.92 cm), number of leaves (43.53 leaves/plant) as well as number of flowers buds (12.31 buds/plant). The Pink cultivar, when applied with 4.0 g nitrogen/pot, gave the highest plant height (21.38 cm) at 60 DAP.
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Hoang Minh Tam and Cao Ngoc Diep. "Plant growth promotion effects of rhizopheric and endophytic bacteria on sugarcane cultivated on Acrisols of Tay Ninh province, Vietnam." GSC Biological and Pharmaceutical Sciences 13, no. 3 (December 30, 2020): 210–21. http://dx.doi.org/10.30574/gscbps.2020.13.3.0408.

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Plant growth promotion of the best two strains: Serratia oryzae CT4b and Bacillus subtilis TPD3b together with chemical nitrogen and phosphorus fertilizers were continuously evaluated on sugarcane cultivated on Acrisols of Tay Ninh province, Vietnam in pots and field experiments. The experiments were arranged into a Split-Plot Design with four replications. The main plot factor was N-P fertilizer at five levels: without N-P, 25% N-P, 50% N-P, 75% N-P and 100% N-P for the pot experiment and at four levels: without N-P; 50% N-P; 75% N-P; and 100% N-P for the field experiment. The sub-plot factor was bacterial inoculation with 4 treatments: no bacteria; CT4bd; TPD3b; and mixture of both. Recommended amount of nitrogen and phosphorus fertilizers for sugarcane planted on Acrisols of Tay Ninh province were 200 kg N, 160 kg P2O5 in a hectare. The results showed that a combination of two bacteria had the highest plant growth stimulation potential. The mixture at rate of 75% N- P fertilizers produced sugarcane yield equal to that at level of 100% N-P fertilizer without bacteria in the pot experiment; increased sugar yield by 14.4%, equivalent to 1.02 ton / ha in the field trial and saved 25% of N-P fertilizer application. These two potential strains were proposed to be tested their ability to promote plant growth on many different sugarcane varieties in both plant-cane and ratoon crops in different material sugarcane areas of Tay Ninh province.
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Jakab, Anita, and János Kátai. "The effect of biopreparations in pot experiment." Acta Agraria Debreceniensis, no. 52 (March 20, 2013): 45–49. http://dx.doi.org/10.34101/actaagrar/52/2098.

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In pot experiment the effect of Amykor and Organic Green Gold bioproducts and their combinations with NPK fertilizer on some soil properties (chemical parameters) and on the biomass of testplant were studied. The experiment was set up in 2012 at the Institute of Agricultural Chemistry and Soil Science, in a three replications, in a random block design. The studied soil typein the pot experiment was humus sandy soil from Debrecen-Pallag with onion (Allium cepa) test plant. At the end of the experiment (after 4 week) in our laboratory the samples of soil and plant were determined. The nitrate-nitrogen, AL-soluble phosphorus and potassium content of soil, the weight of green onion leaves, the wet weight of bulb and root of onion and biomass of onion. The results of the study were the following: – The treatments influenced positively the nitrate-nitrogen, the AL-soluble phosphorus and potassium content of soil. – The most effective treatments were the artificial fertilization (NO3-N) and the NPK+ simple dose of Amykor (AL-P2O5 and Al-K2O). – The NPK fertilization and the NPK+OGG (sprinkle in every 10 days) combinations had significant positive effect on the weight of green onion leaves. – The biofertilization and the straw+biofertilizer combinations stimulated the AL-soluble potassium content of soil occasionally. – The OGG treatment (sprinkle in every 10 days) had significant effective impact on the wet weight of bulb and root of onion. – The biomass of onion was increased by the artificial fertilization and OGG (sprinkle in every 10 days) treatment.
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Lu, Yunxuan, Donghao Ma, Xiaomin Chen, and Jiabao Zhang. "A Simple Method for Estimating Field Crop Evapotranspiration from Pot Experiments." Water 10, no. 12 (December 11, 2018): 1823. http://dx.doi.org/10.3390/w10121823.

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Pot experiments are a low-cost and easy-to-use technique for studies of soil evaporation and plant transpiration in controlled environments. However, little attention has been paid to the applicability of evapotranspiration (ET) measured in pot experiments to the field. The objective of this study was to determine whether a pot experiment can be used for measuring field ET. Evapotranspiration experiments with winter wheat and summer maize were conducted in pots and lysimeters under various water-deficit conditions. The measured ET values in the pot experiments under different water conditions were considerably different from those of the lysimeters. Causes of such differences in ET were analyzed, and a series of corrections were proposed to eliminate the effects of different crop densities, representative areas per plant, and soil moisture conditions on pot experiment results. After these corrections, the discrepancy in the total ET of wheat-maize seasons between pots and lysimeters was greatly reduced from a maximum of 117% to only approximately 10%. The relative mean square errors (RMSEs) for daily ET values also decreased from a maximum value of 4.56 mm to less than 1.5 mm for the wheat season and from a maximum value of 6.02 mm to approximately 2 mm for the maize season. Possible measures were proposed to further improve the accuracy of the corrected ET obtained from pot experiments. In sum, pot experiments can serve as a feasible tool for estimating ET in the field just with a few routine measurements at regions where large-scale weighing lysimeters, an eddy covariance device, and even meteorological data are not available. The proposed corrections can also be used for upscaling small-scale ET measurements to a large scale.
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Lyngdoh, E. A. S., and Sanjay Swami. "Potential screening of photoremediating crops and performance of maize in photoremediated coal mined acid soil with phosphorus application." Journal of Environmental Biology 41, no. 6 (November 15, 2020): 1788–97. http://dx.doi.org/10.22438/jeb/41/6/si-283.

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Aim: To assess the ability of phosphorus to counteract harmful effects of heavy metals by reducing their concentration and increasing the maize yield. Methodology: Bulk surface soil sample (0-15 cm) was collected from heavy metal polluted soil of coal mine areas of Sutnga. Two pot experiments were conducted. Ten kg capacity pots were laid out for three phytoremediating crop and replicated 33 times. The processed soil was used for filling the pots. The first pot experiment was conducted to assess the phytoremediation efficiency of Helianthus annus and Vigna ungniculata on heavy metal polluted soil. Thereafter in the second pot experiment Zea mays L. was planted in pots maintained under experiment 1 and subsequently eleven levels of phosphorus i.e. 0, 10, 20, 30, 40, 50, 60, 70, 80, 90 and 100 mg P kg-1 soil were super imposed in non-phytoremediated soil, phytoremediated soils through SSP. The elemental uptake and concentration of available phosphorus and heavy metal was determined.? Results: From the first pot culture experiment, it was observed that heavy metals content in soil after harvesting of phytoremediating crops reduced significantly in both the phytoremediated soils as compared to non-phytoremediated soil. From the second pot experiment it was observed that phosphorus as well as the heavy metals concentration and uptake in maize decreased significantly with increasing doses of phosphorus added in non phytoremediated soil.? Interpretation: This study clearly indicates that sunflower can be successfully grown as a phytoremediating crop in coal mine affected soils of Jaintia hills for phytoremediation of heavy metal polluted soils.
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Dissertations / Theses on the topic "Pot experiment"

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Bicho, Maria Catarina Gomes Pedro. "Different water regimes effects on photoprotection strategies of three species from montado understorey: a pot experiment." Master's thesis, ISA/UL, 2014. http://hdl.handle.net/10400.5/7401.

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Mestrado em Engenharia Agronómica - Instituto Superior de Agronomia
The aim of the present thesis is to assess the influences of different watering regimes on some ecophysiological traits on Lolium multiflorum, Trifolium incarnatum and Ornithopus sativus growing in monoculture or together in a mixture.The resulting data will allow better understanding of montado species responses to future climate change precipitation conditions. Plants were grown in pots in monoculture (three monocultures) and one mixture of the three species, under two different watering regimes: low watering frequency (LWF) and high watering frequency (HWF) corresponded to watering each four-six or two-three days, respectively, depending on the daily evapotranspiration demand. The responses to water stress in leaves were assessed by quantifying the content of chloroplastic pigments (chlorophylls and carotenoids) and the oxidation state (by measurements of ascorbate and dehydroascorbate). Prior to irrigation, all three species were more stressed as compared to after irrigation. LWF was always more damaged showing significant differences between watering treatments and indicating that future Mediterranean conditions will be more oxidative for the montado species. There were no pronounced differences between monoculture and mixture
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Heller, M. "Mesure de la luminosité absolue et de la section efficace totale proton-proton dans l'expérience ATLAS au LHC." Phd thesis, Université Paris Sud - Paris XI, 2010. http://tel.archives-ouvertes.fr/tel-00491316.

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Le Large Hadron Collider (LHC) au CERN à Genève délivrera bientôt des collisions avec une énergie jamais atteinte jusqu'alors dans un accélérateur de particules. Une énergie dans le centre de masse entre 10 et 14 TeV permettra de dépasser les frontières de la physique actuelle. Le détecteur ATLAS fera la chasse au boson de Higgs et recherchera une nouvelle physique au delà du modèle standard. Tout processus physique est décrit par sa section section efficace. Les détecteurs positionnés aux différents points de collision du LHC déterminerons les taux de comptage associés aux divers processus. Cependant, pour en déduire la section efficace associée, il faut connaître la luminosité. Pour l'expérience ATLAS, une mesure relative de la luminosité peut être fournie par quelques uns de ses sous-détecteurs. Cependant, pour calibrer ces détecteurs, une mesure absolue doit être effectuée. Le détecteur ALFA a été conçu pour mesurer le spectre de diffusion élastique qui permettra de déterminer la luminosité absolue et par la même occasion, la section efficace totale proton-proton fournissant ainsi un outils de calibration très précis, de l'ordre du %. Ces détecteurs, installés à 240 m de part et d'autre du point d'interaction sont appelés pots romains. Il s'agit d'un système mécanique permettant d'approcher un trajectographe à fibres scintillantes à une distance de l'ordre du millimètre du cœur du faisceau. La simulation de la mesure nécessite l'utilisation d'un logiciel de transport de particules chargées. Ce logiciel doit être soigneusement choisi car il sert à la détermination des protons perdus dans la séquence de l'accélérateur, entre le point d'interaction jusqu'aux détecteurs. L'impact des incertitudes systématiques qui affectent la mesure de la luminosité et de la section efficace totale est également déterminé en utilisant la simulation. Les détecteur ALFA opère dans un environnement complexe et en conséquence sa conception requiert une grande attention. Une large campagne de tests sur l'électronique front-end a été effectuée. L'analyses des données résultant de ces tests a permis de démontrer que toutes les exigences étaient remplies. A chaque avancement majeur dans la conception du détecteur, celui-ci doit être soumis à des tests en faisceau. Durant ces périodes, tous les aspects du détecteur sont étudiés. L'algorithme de reconstruction des traces, les méthodes pour extraire des données l'efficacité de détection ou encore le niveau de diaphonie sont autant de paramètres qu'il a fallu déterminer. Les conclusions de ces tests ont permis de valider les différents choix techniques effectués permettant ainsi le lancement de la fabrication en série des huit détecteurs utiles à la mesure. L'installation prévue courant 2011 permettra de mesurer la luminosité et la section efficace totale proton-proton courant 2012.
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Graves, S., C. Lewis, H. Valdovinos, B. Bednarz, W. Cai, T. Barnhart, and R. Nickles. "In vivo cell tracking with 52Mn PET: Targetry, Separation, and Applications." Helmholtz-Zentrum Dresden - Rossendorf, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:d120-qucosa-166432.

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Introduction 52Mn (t½ =5.59 d, β+ = 29.6%, Eβmax = 0.58 MeV) has great potential as a long lived PET isotope for use in cell tracking studies, observation of immunologic response to disease states, or as an alternative to manganese-based MRI contrast agents. Its favorable max positron energy leads to superb imaging resolution, comparable to that of 18F.[1] Manganese is naturally taken up by cells via a multitude of pathways including the divalent metal transporter (DMT1), ZIP8, transferrin receptors (TfR), store-operated Ca2+ channels (SOC-Ca2+), and ionotropic glutamate receptor Ca2+ channels (GluR).[2] These natural transport mechanisms make 52Mn an attractive isotope for applications necessitating non-perturbative cell uptake. In particular, cell tracking is critical to the development and translation of stem cell therapies in regenerative medicine. Alternative-ly, 52Mn could be used in immunotherapy techniques such as adoptive cellular therapy (ACT) to evaluate the ability of external immune cells to reach their intended target. Material and Methods 52Mn was produced by natCr(p,x)52Mn using 16 MeV protons. The average thick target production yield was 0.23 mCi/µA-h with less than 0.25% co-production of 54Mn. Small amounts of 51Cr were observed in the target, but were absent from the radiochemically separated product. Target construction consisted of a water jet cooled chromium disc (3/4” diameter, 0.4” thick). Targets were purchased from Kamis Inc, and are 99.95% pure. Targets withstood beam currents of 30 µA with no visible aberration. Chromium targets were etched by concentrated HCl following bombardment. Mn2+ ions were extracted from 9M HCl to 0.8M trioctylamine in cyclohexane leaving the bulk chromium in the aqueous phase. After isolating the organic phase, 0.001M NH4OH was used to back-extract the Mn2+ ions to aqueous phase. This purification cycle was conducted a total of three times for each 52Mn production. Results and Conclusion For a starting bulk chromium mass of 456 ± 1 mg, a post-separation chromium mass of 5.35 ± 0.04 ng was measured by microwave plasma atomic emission spectrometry (MP-AES). This mass reduction corresponds to an average separation factor of 440 for a single purification cycle. Each purification cycle had a 52Mn recovery efficiency of 73 ± 7 % (n = 6), resulting in an overall separation efficiency of approximately 35 %. These efficiencies and separation factors agree reasonably well with the work conducted by Lahiri et. al.[3] Prior to use, the product was passed through a C-18 Sep-Pak to remove any residual organic phase. After four target irradiations and etchings, some pitting became noticeable on the target face. These have not yet compromised the o-ring seal with the target deplater, but it is possible that target replacement after every 6–9 52Mn productions will be necessary moving forward. Following the successful separation of 52Mn from chromium, in vitro experiments were conducted to demonstrate the uptake of 52Mn by human stem cells and mouse tumor cells. A linear uptake response was observed as a function of the amount of activity exposed to the cells for both cell models. These experiments have shown great promise for 52Mn as a long-lived PET isotope in cell tracking studies. Details will be presented.
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Santos, Edivaldo Moura. "Determinação da razão de ramificação e dos fatores de forma do decaimento semi-leptônico \"K IND.L\"-> \"\"pi\" POT.0\" \"\"pi\" POT.+/-\" e \"ANTPOT.-/+ \"nü\"\"." Universidade de São Paulo, 2005. http://www.teses.usp.br/teses/disponiveis/43/43134/tde-12072013-152710/.

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Mediu-se a razão de ramificação do decaimento semi-leptônico \"K IND.L->\"pi\"POT.0\"\"pi\" POT, +/-\" e \"ANTPOT.-/+nu\" (\"BR IND.\"K POT.0\"IND.E4\" = [5.19 =/- \"0.09 IND.sist\"] X \"10 POT.-5\"), baseado numa amostra de 4000 eventos sobre um fundo residual a ser subtraído de 143 (3.6%) eventos. Os dados foram coletados pelo experimento KTeV no Fermilab. A contaminação residual é compatível com \"K IND.->\"\"pi\"POT.=/-\" e \" ANTPOT.=/-\"nu\"\"gama\" ou \"K IND.L->\"\"pi\"POT.=/-\" e \" ANTPOT.=/-\"nu\" ou \"K IND.L\" ->\"pi\" POT.=/-\" e \" ANTPOT.=/-\"nu\" na presença de um ou dois fótons acidentais, respectivamente. A contribuição dominante ao erro sistemático advém de uma discrepância observada entre dados/Monte Carlo com respeito à eficiência de detecção ao longo da direção do feixe de káons. O modo de normalização utilizado na medida da razão de ramificação foi \"K IND.L\" ->\"pi\"POT.=/-\" e \" ANTPOT.=/-\"nu\". Correções radiativas eletromagnéticas de ordem \"\"alfa\"IND.QED\" foram incluídas no Monte Carlo de simulação, tendo a fração radiativa sido conferida por meio de um cálculo analítico, incluindo bremsstrahlung interno e correções virtuais, das quais a correção de vértice fornece uma contribuição finita após o processo de renormalização. Por meio de um ajuste ao espectro e construído do decaimento, três dos fatores de forma que parametrizam o elemento de matriz hadrônica também foram medidos, cujos valores indicam uma violação da regra empírica \"delta\"I=1/2 de cerca de 2%. A dependência, em primeira ordem, de um dos fatores de forma com o momento transferido aos léptons \"q POT.2\" também foi obtida, possibilitando a resolução da ambiguidade quadrática entre \"\"gama\"IND.K\" IND.E.4\" a constante de acoplamento \"L IND.3\" em Teoria de Perturbação Quiral e permitindo uma medida direta dessa constante (\"L IND.3\"=[-4.0 =/- 0.3] X \"10 POT.-3\").
We have measured the branching fraction of the \"K IND.L->\"pi\"POT.0\"\"pi\" POT, +/-\" e \"ANTPOT.-/+nu\" decay (\"BR IND.\"K POT.0\"IND.E4\" = [5.19 =/- \"0.09 IND.sist\"] X \"10 POT.-5\"), based on a 4000 candidates sample over a residual background of 143 (3.6%) events. The data was collected by the KTeV experiment at Fermilab. The remaining contamination is consistent with \"K IND.->\"\"pi\"POT.=/-\" e \" ANTPOT.=/-\"nu\"\"gama\" ou \"K IND.L->\"\"pi\"POT.=/-\" e \" ANTPOT.=/-\"nu\" ou \"K IND.L\" ->\"pi\" POT.=/-\" e \" ANTPOT.=/-\"nu\" plus one or two accidental photons, respectively. The leading contribution to the systematic error comes from an observed discrepancy between data/Monte Carlo for the detection efficiency along the kaon beam direction. The \"K IND.L\" ->\"pi\"POT.=/-\" e \" ANTPOT.=/-\"nu\" decay was used as normalization mode for the purpose of branching fraction measurement. Radiative corrections of order \"\"alfa\"IND.QED\" were included into the Monte Carlo, the radiative fraction being crosschecked through an analytical calculation, which included internal bremsstrahlung and virtual corrections, of which the vertex correction gives a finite contribution after renormalization. Through a fit to the reconstructed decay spectrum, three form factors appearing in the parametrization of the hadronic matrix element were measured, whose values allow for a violation of the empirical \"delta\"I=1/2 rule of about 2%. We have also measured the first order dependence on the transfered momentum to the leptons of one of the form factors, solving the quadratic ambiguity between \"\"gama\"IND.K\" IND.E.4\" and the low energy coupling constant \"L IND.3\" from Chiral Perturbation Theory, allowing for a direct measurement of this constant (\"L IND.3\"=[-4.0 =/- 0.3] X \"10 POT.-3\").
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Borges, Cleber Nogueira. "Otimização de misturas quimicas com flexibilidade na ordem de execução dos experimentos." [s.n.], 2007. http://repositorio.unicamp.br/jspui/handle/REPOSIP/249376.

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Orientador: Roy Edward Bruns
Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Quimica
Made available in DSpace on 2018-08-09T12:52:19Z (GMT). No. of bitstreams: 1 Borges_CleberNogueira_D.pdf: 1328148 bytes, checksum: ba185b4a95590eaf4f5554aed4c37d81 (MD5) Previous issue date: 2007
esumo: Neste trabalho é apresentado o planejamento estatístico split-plot onde as unidades main-plots e sub-plots são planejamentos de misturas químicas. Main-plots e sub-plots são definidos de acordo com a estrutura simplex-centróide. O planejamento foi aplicado para a otimização simultânea de solventes extratores e fases móveis utilizados na separação cromatográfica de compostos químicos de plantas. O interesse foi determinar os melhores valores das respostas (maiores números de picos) em função dos extratores e fases móveis. A vantagem da blocagem dos experimentos segundo a estrutura split-plot é a conveniência por minimizar (ou facilitar) o trabalho experimental ou reduzir resíduos químicos ou ambos. A desvantagem é que o tratamento estatístico de tal sistema se torna mais complexo que os planejamentos com esquemas aleatórios. Gráficos normais foram utilizados para a escolha de modelos e assim, evitando a realização de replicatas dos experimentos
Abstract: A split-plot statistical design is proposed for which the main-plots and sub-plots are both chemical mixture designs. Main-plots and sub-plots are investigated using the simplex-centroid design. The composite mixture-mixture design was applied to the simultaneous optimization of extractor solvents and mobile phases used in the chromatographic separation of chemical compounds from plant materials. The main goal was to determine the best response values, largest number of peaks, as a function of the extractor and mobiles phase components. The advantages of using blocked experiments following the split-plot structure is to minimize (or facilitate) the experimental work as well as reduce the chemical residuals that must be discarded or both. The drawback is that the statistical treatment of the system becomes more complex than designs with random schemes. Normals graphs were utilized for choosing models so, the realization of replicate experiments could be avoided.
Doutorado
Quimica Analitica
Doutor em Ciências
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Seraphin, Jose Carolos. "Variance-distance relationships in agricultural field plot experiments." Thesis, University of Edinburgh, 1992. http://hdl.handle.net/1842/11382.

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Methods for examining how the errors of agricultural field plot experiments are related to the distances between plots are developed for a two-dimensional layout. Knowledge of the errors is useful for investigating the suitability of experimental designs and methods of analysis for various field situations. The methods of postblocking and pairblocking are extended to two dimensions to allow the calculation of error laws for the semi-variance of the difference in yields of plots p rows and q columns apart. The techniques are applied to results of past variety trials. The two dimensional version is applied to two UK trials series, while the one-dimensional version is applied to a tropical series of trials. The error laws derived, the exponential variance error laws, are used to improve recommendations for design and analysis of future trials. The classical method of analysis of the variety trials used is also described in this work and the efficiency of such analysis assessed. In particular, for row and column designs that have the property of adjusted orthogonality, the estimate of the ratio of the row stratum variance to the row x column stratum variance can be expressed as a function of the error mean squares from the analysis of the incomplete block column component design and row and column design. Similarly, the estimate of the ratio of the column stratum variance to the row x column stratum variance can also be expressed as a function of the error mean squares from the analysis of the incomplete block row component design and row and column design. Knowledge of the error variance law can be used to derive spatial methods of analysis for individual trials. The simplest first difference neighbour analysis, derived from the linear variance rule has row and column analysis without recovery of information as its simplest case when no trend effect is present.
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Bingham, Derek R. "Design and analysis of fractional factorial split-plot experiments." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape10/PQDD_0022/NQ51843.pdf.

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Ko, Chan Uk. "Studies of blends containing liquid crystalline polymers with PET and related investigations of hydroquinone/biphenol polysulfone systems." Thesis, Virginia Polytechnic Institute and State University, 1985. http://hdl.handle.net/10919/76036.

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The investigation of structure-property behavior of extruded cast films prepared from blends of thermotropic liquid crystalline copolyesters with polyethylene terephthalate (PET). Data were obtained which showed not only the temperature dependence of the moduli and stress-strain behavior but also the orientation effects that must be prevalent in order to explain the differences between the moduli measured parallel and perpendicular to the extrusion direction. Only at high liquid crystal polymer (LCP) compositions is the modulus particularly increased. The modulus enhancement with lower LCP content and utilization of process variables are discussed. Specifically, the extruder gear pump speed did not enhance Young's modulus at the same LCP content as extensively as did the effect of extruder screw speed. Also a study to synthesize and characterize new segmented copolymers that could produce unusual film properties are discussed. The approach involved the synthesis of high Tg (220 C) isotropic poly (aryl ether sulfone) oligomers of varying segment molecular weights. The thermal and mechanical studies of the copolymers have been carried out to probe the potential of these copolymers for signs of liquid crystalline character and to note their ability to thermally crystallize as well as to crystallize by solvent or strain inducement. Along these lines, thermal analysis, polarizing hot-stage microscopy, wide angle x-ray scattering and mechanical testing were utilized in this investigation
Master of Science
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Servi, Amelia Tepper. "An experimental and analytical exploration of the effects of manufacturing parameters on ceramic pot filter performance." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/81808.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2013.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 163-165).
Ceramic pot filters (CPF) are a promising low-cost option for household water treatment, providing a barrier of protection against-microbiological contaminants for households with or without reliable piped water supplies. The goal of this thesis is to provide CPF manufacturers with tools to increase their ability to reach performance objectives for CPF flow rate, bacteria removal and strength. This is achieved by experimentally determining relationships between these three aspects of performance and three manufacturing values: percentage rice husk, rice husk size and wall thickness. These relationships are used to run a series of optimizations that result in design recommendations including the recommendation to increase wall thickness to improve bacteria removal and to tightly control rice husk size to maintain consistent flow rates. In addition to the experimental relationships, this author seeks a theoretical explanation of filter performance. Through this process, the author determined that hydraulic head can be increased without decreasing bacteria removal and that incomplete combustion should not be of primary concern to manufacturers. While the results in this study are preliminary, the systematic approach to the CPF design shown here can be used in future studies to further analyze and improve the CPF design.
by Amelia Tepper Servi.
S.M.
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Lennon, Mark G. "Design and analysis of multiple site large plot field experiments." Thesis, University of Reading, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.246047.

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Books on the topic "Pot experiment"

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Federer, Walter T., and Freedom King. Variations on Split Plot and Split Block Experiment Designs. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2006. http://dx.doi.org/10.1002/0470108584.

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Almimi, Ashraf. Split-Plot Designs: Follow-Up Experiments, Missing Observations, and Model Adequacy Checking. Saarbrucken, Germany: LAP LAMBERT Academic Publishing, 2010.

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Service, Robert. Russia: Experiment with a people. Cambridge, Mass: Harvard University Press, 2003.

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Goos, Peter. The Optimal Design of Blocked and Split-Plot Experiments. New York, NY: Springer New York, 2002. http://dx.doi.org/10.1007/978-1-4613-0051-9.

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Stine, R. L. The deadly experiments of Dr. Eeek. New York: Scholastic, 1996.

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Stine, R. L. The Deadly Experiments of Dr. Eeek: Give Yourself Goosebumps #4. New York: Scholastic, 1995.

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Rehearsal for Reconstruction: The Port Royal experiment. Athens: University of Georgia Press, 1999.

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The plot to kill God: Findings from the Soviet experiment in secularization. Berkeley: University of California Press, 2008.

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Helmut, Wiesenthal, ed. The grand experiment: Debating shock therapy, transition theory, and the East German experience. Boulder, Colo: Westview Press, 1997.

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Gunter, Veronika Alice. Pet science: Purr-fectly woof-worthy activities for you & your pets. New York: Lark Books, 2006.

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Book chapters on the topic "Pot experiment"

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Bhattacharya, Piyal, Alok C. Samal, and Subhas C. Santra. "A Greenhouse Pot Experiment to Study Arsenic Accumulation in Rice Varieties Selected from Gangetic Bengal, India." In Safe and Sustainable Use of Arsenic-Contaminated Aquifers in the Gangetic Plain, 265–74. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-16124-2_16.

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Durner, Edward F. "The split-plot and split-split-plot designs." In Applied plant science experimental design and statistical analysis using the SAS® OnDemand for Academics, 204–43. Wallingford: CABI, 2021. http://dx.doi.org/10.1079/9781789249927.0014.

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Abstract This chapter focuses on one of the most flexible and useful experimental designs for agricultural research, the split-plot and its variations. An experiment with strawberry production was used as an example.
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Otabbong, Erasmus, Stefan Atterwall, Jan Persson, and Enok Haak. "Sewage Sludge — Soil Conditioner and Nutrient Source: I. Phosphorus availability and its uptake by ryegrass (Lolium perenne L.) grown in a pot experiment." In The Science of Composting, 1261–65. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-1569-5_156.

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Mays, J. C. C. "Making a Poet." In Coleridge's Experimental Poetics, 15–40. New York: Palgrave Macmillan US, 2013. http://dx.doi.org/10.1057/9781137350237_2.

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Mays, J. C. C. "A Poet Making." In Coleridge's Experimental Poetics, 41–66. New York: Palgrave Macmillan US, 2013. http://dx.doi.org/10.1057/9781137350237_3.

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Yandell, Brian S. "Split Plot Design." In Practical Data Analysis for Designed Experiments, 357–68. Boston, MA: Springer US, 1997. http://dx.doi.org/10.1007/978-1-4899-3035-4_23.

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Politakis, George. "The Varvaressos Experiment." In The Post-War Reconstruction of Greece, 67–92. New York: Palgrave Macmillan US, 2017. http://dx.doi.org/10.1057/978-1-137-57734-4_4.

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Higuchi, Makoto. "Tau PET Imaging." In Advances in Experimental Medicine and Biology, 217–30. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-32-9358-8_18.

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Vining, G. Geoffrey. "Split-Plot Response Surface Designs." In Design and Analysis of Experiments, 471–500. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118147634.ch14.

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Yandell, Brian S. "Repeated Measures as Split Plot." In Practical Data Analysis for Designed Experiments, 383–97. Boston, MA: Springer US, 1997. http://dx.doi.org/10.1007/978-1-4899-3035-4_25.

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Conference papers on the topic "Pot experiment"

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Janas, Krzysztof Wojciech. "The track-based alignment of the ALFA Roman Pot detectors of the ATLAS experiment." In 7th Annual Conference on Large Hadron Collider Physics. Trieste, Italy: Sissa Medialab, 2019. http://dx.doi.org/10.22323/1.350.0060.

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Ohno, Shuji, Shinya Miyahara, and Yuji Kurata. "Experimental Investigation of Evaporation Behavior for Lead-Bismuth Eutectic and Its Impurity Tellurium." In 12th International Conference on Nuclear Engineering. ASMEDC, 2004. http://dx.doi.org/10.1115/icone12-49111.

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Evaporation behavior of lead-bismuth eutectic (LBE) and of tellurium in LBE pool is being investigated experimentally in order to obtain fundamental data on the coolant technology of an accelerator driven system and a fast reactor. The tellurium was used as a non-radioactive chemical surrogate of polonium which would generate and give radiological hazards in the above LBE cooled system. The experiments were conducted using the transpiration method in which saturated vapor in an isothermal evaporation pot was transported by inert carrier gas and collected outside of the pot. The LBE pool was about 500grams in mass and had a surface area of 4cm × 14cm. Two kinds of experiment were performed under the temperature condition in the range of 450 to 750°C to measure the collected vapor mass: LBE experiment without impurity and LBE-tellurium experiment. The paper presents experiment outline and several instructive results such as saturated vapor pressure of LBE, information on evaporation behavior of each element, and equilibrium partitioning behavior of tellurium from liquid to gas phase. These are also suggestive for understanding chemical behavior of polonium in LBE.
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Rotaru, Vladimir. "Efecutul rhizobacteriilor benefice asupra formării sistemului simbiotic Glycine Max-Bradyrhizobium Japonicum în funcţie de fertilizare şi nivelul de umiditate a solului." In International Scientific Symposium "Plant Protection – Achievements and Prospects". Institute of Genetics, Physiology and Plant Protection, Republic of Moldova, 2020. http://dx.doi.org/10.53040/9789975347204.74.

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A pot experiment under controlled soil moisture conditions was accomplished with the aim to assess the effect of rhizobacteria application Bradyrhizobium japonicum alone or in conjuction with Pseudomonas putida strain on symbiotic system development of soybean in relation to phosphorus and manure fertilization under temporary drought conditions. Mineral and organic fertilizers were applied during filling pots with soil. A half of plants were subjected to moderate drought for 12 days at flowering stage. The experimental results showed that number of nodules increased after rhizobacteria application under mineral as well as under organic fertilization irrespective of soil moisture levels. The highest effect of rhizobacteria was registered in plants under normal irrigation conditions. Experimental data find out that combined application of two rhizobacteria strains displayed synergic effect on nodules development. Thus, the results suggested that application of B. japonicum and Pseudomonas putida strains as biofertilizer contributed to enhance tolerance of soybean plants and promote nodules development under water limited conditions.
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Longhini, Patrick. "Multi-frequency Oscillations in Coupled Van Der Pol Oscillators." In EXPERIMENTAL CHAOS: 7th Experimental Chaos Conference. AIP, 2003. http://dx.doi.org/10.1063/1.1612274.

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Subbarayan, Guhan, Buck Warnock, Purushothaman Damodaran, Krishnaswami Srihari, and Jorge Arellano. "An Experimental Study of Lead-Free Wave Soldering Using SAC 305 and No-Clean Flux." In ASME 2006 International Mechanical Engineering Congress and Exposition. ASMEDC, 2006. http://dx.doi.org/10.1115/imece2006-13927.

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The transition to lead-free assembly will have a significant effect on wave soldering operations. Since the wetting ability of lead-free solder is usually less than that of tin-lead solder, it can result in unacceptable hole fills and inconsistent top side wetting - especially in the case of thick Printed Circuit Boards (PCBs). Presently, there is very little data available on lead-free wave soldering with tin-silver-copper (SnAgCu or SAC) alloy and no-clean flux chemistry. Although some researchers and consortia recommend tin-copper (SnCu) for lead-free wave soldering, demonstrating the feasibility of using the SAC alloy for wave soldering operation can aid manufacturers to use the same alloy for both reflow and wave soldering operations. In this study, SAC 305 alloy and no-clean flux were evaluated in terms of percentage of hole fill and solderability on a 93 mil thick test vehicle with Immersion Silver (ImmAg) surface finish. The evaluation was performed on a nitrogen equipped wave soldering equipment. It has 4 preheating zones (3 convection bottom heaters and 1 infrared top heater) that provides good control to develop the required preheat profile. A partial factorial experiment was conducted to study the main effects of solder pot temperature, topside preheat temperature and conveyor speed on wave soldering performance. Wave soldering was performed after two reflow cycles. A 100% visual inspection was done for all the through hole components using a 10X microscope to determine top side wetting, percentage of hole fill, bridging, flux residue and solder balling. Thickness of the hole fill was also measured using digital X-Ray equipment. The data generated from this experiment was used to determine the 'optimum' lead-free process parameters for wave soldering using a SAC 305 alloy with a no-clean flux chemistry. The 'optimized' process parameters were then used to evaluate boards with Organic Solderability Protective (OSP) and Electroless Nickel Immersion Gold (ENIG) surface finishes. The designed experiments approach adopted to determine the optimum process settings and the research findings are explained in detail.
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Ghani, M., S. V. Slycken, E. Meers, F. M. G. Tack, F. Naz, and S. Ali. "Enhanced Phytoextraction of Cadmium and Zinc Using Rapeseed." In ASME 2013 15th International Conference on Environmental Remediation and Radioactive Waste Management. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/icem2013-96362.

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In a green house pot experiment, the effects of three amendments, sulphur (S), ammonium sulphate ((NH4)2SO4) and ethylenediaminetetracetic acid (EDTA) were tested for phytoextraction of Cd and Zn by rapeseed (Brassica napus L.). Elemental sulphur was applied as 20.00, 60.00, and 120.00 mg.kg−1 soil. EDTA was tested at a dose of 585.00 mg.kg−1 soil, and (NH4)2SO4) at a rate of 0.23 mg.kg−1 soil. All treatments received a base fertilization (Hogland) before sowing. Plants were harvested after 51 days of growth and shoot dry matter and soil samples were analysed for metal contents. All amendments caused a significant increase in Cd and Zn contents in plant shoots of all treatments than control treatment. Further, EDTA was most effective for extraction metals concentrations in shoot biomass but the plants showed significant signs of toxicity and yield were severely depressed. The addition of sulfur favorably influenced plant biomass production. The fertilized ammonium sulfate treatment resulted in the highest phytoextraction of Cd and Zn and the amounts of these metals accumulated in plant shoot exceeded by a factor of 4 and 3 respectively. Finally, Brassica napus could be used for soil remediation keeping its other uses which will make the contaminated site income generating source for the farmers.
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Kim, SeongHun, Katsutaro Yamamoto, Tomonori Hiraishi, and JuHee Lee. "The Fundamental Study on the Optimum Design of Shrimp Pot for the Coon-Stripe Shrimp (Pandalus Hypsinotus Brandt) in Hokkaido." In ASME 2007 26th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2007. http://dx.doi.org/10.1115/omae2007-29684.

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This study was conducted to develop an optimally designed pot that is capable of controlling catch selectively. To achieve the optimum design for the shrimp pot, tank experiments were conducted to investigate the catch mechanism and catch selectivity of differently shaped pots. In this study, the catch selectivity of pots was estimated with different slope lengths. The experiments were conducted using model shrimp pots with five different slope lengths (24, 34, 44, 54, and 64cm) in an experimental tank (2 m × 2 m × 1 m). The catch mechanism was analyzed through a video recording system and catch selectivity was estimated using the SELECT model and master curve method. Two models using the likelihood ratio test and Akaike’s information criterion (AIC) evaluated the goodness of fit of the selectivity curve. That results, the slope length with 50% retention of individuals with carapace length of 25 mm (about 1 year old) was 60.1cm, which is about 16 cm longer than the commercial pot design.
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DUIJVESTIJN, M. C., A. J. KONING, J. P. M. BEIJERS, J. VAN KLINKEN, R. W. OSTENDORF, and F. J. HAMBSCH. "EXPERIMENTAL AND THEORETICAL HIGH-ENERGY FISSION STUDIES." In Pont d'Oye IV. WORLD SCIENTIFIC, 2000. http://dx.doi.org/10.1142/9789812793683_0023.

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MUTTERER, M. "RECENT EXPERIMENTS ON PARTICLE-ACCOMPANIED FISSION." In Seminar on Fission Pont d'Oye V. WORLD SCIENTIFIC, 2004. http://dx.doi.org/10.1142/9789812702814_0014.

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Rabovitser, Joseph, Stan Wohadlo, John M. Pratapas, Serguei Nester, Mehmet Tartan, Steven Palm, Steve I. Freedman, and David White. "Experimental Study of a 200 kW Partial Oxidation Gas Turbine (POGT) for Co-Production of Power and Hydrogen-Enriched Fuel Gas." In ASME Turbo Expo 2009: Power for Land, Sea, and Air. ASMEDC, 2009. http://dx.doi.org/10.1115/gt2009-59272.

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Paper presents the results from development and successful testing of a 200 kW POGT prototype. There are two major design features that distinguish POGT from a conventional gas turbine: a POGT utilizes a partial oxidation reactor (POR) in place of a conventional combustor which leads to a much smaller compressor requirement versus comparably rated conventional gas turbine. From a thermodynamic perspective, the working fluid provided by the POR has higher specific heat than lean combustion products enabling the POGT expander to extract more energy per unit mass of fluid. The POGT exhaust is actually a secondary fuel gas that can be combusted in different bottoming cycles or used as synthesis gas for hydrogen or other chemicals production. Conversion steps for modifying a 200 kW radial turbine to POGT duty are described including: utilization of the existing (unmodified) expander; replacement of the combustor with a POR unit; introduction of steam for cooling of the internal turbine structure; and installation of a bypass air port for bleeding excess air from the compressor discharge because of 45% reduction in combustion air requirements. The engine controls that were re-configured for start-up and operation are reviewed including automation of POGT start-up and loading during light-off at lean condition, transition from lean to rich combustion during acceleration, speed control and stabilization under rich operation. Changes were implemented in microprocessor-based controllers. The fully-integrated POGT unit was installed and operated in a dedicated test cell at GTI equipped with extensive process instrumentation and data acquisition systems. Results from a parametric experimental study of POGT operation for co-production of power and H2-enriched synthesis gas are provided.
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Reports on the topic "Pot experiment"

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Nanstad, Randy K., G. R. Odette, Janet Pawel Robertson, and T. Yamamoto. Progress Report on Disassembly and Post-Irradiation Experiments for UCSB ATR-2 Experiment. Office of Scientific and Technical Information (OSTI), September 2015. http://dx.doi.org/10.2172/1223085.

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Zyvoloski, George A. Experiment 2062: The Post Experiment 2061 Temperature Log. Office of Scientific and Technical Information (OSTI), July 1985. http://dx.doi.org/10.2172/1321646.

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Westenskow, G., F. Chambers, F. Bieniosek, and E. Henestroza. Analysis of the January 2006 Pepper-Pot Experiments. Office of Scientific and Technical Information (OSTI), March 2006. http://dx.doi.org/10.2172/899416.

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Zyvoloski, George A. Post Experiment 2062 Temperature Log. Office of Scientific and Technical Information (OSTI), July 1985. http://dx.doi.org/10.2172/1321633.

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Favorite, Jeffrey A. IER-163 Post-Experiment MCNP Calculations (U). Office of Scientific and Technical Information (OSTI), June 2012. http://dx.doi.org/10.2172/1043008.

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Mazzucato, E., R. Bell, M. Bitter, A. Cavallo, S. Cohen, P. Colestock, G. Greene, G. Hammett, E. Hinnov, and J. Hosea. Ion cyclotron heating experiments in PLT. Office of Scientific and Technical Information (OSTI), March 1985. http://dx.doi.org/10.2172/5642105.

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Preisig, James. Acoustic Communications 2011 Experiment: Deployment Support and Post Experiment Data Handling and Analysis. Fort Belvoir, VA: Defense Technical Information Center, September 2012. http://dx.doi.org/10.21236/ada575006.

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Preisig, James. Acoustic Communications 2011 Experiment: Deployment Support and Post Experiment Data Handling and Analysis. Fort Belvoir, VA: Defense Technical Information Center, September 2013. http://dx.doi.org/10.21236/ada598908.

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Varma, Amit H., Jan Olek, Christopher S. Williams, Tzu-Chun Tseng, Dan Huang, and Tom Bradt. Post-Fire Assessment of Prestressed Concrete Bridges in Indiana. Purdue University, 2021. http://dx.doi.org/10.5703/1288284317290.

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Abstract:
This project focused on evaluating the effects of fire-induced damage on concrete bridge elements, including prestressed concrete bridge girders. A series of controlled heating experiments, pool fire tests, material tests, and structural loading tests were conducted. Experimental results indicate that the portion of concrete subjected to temperatures higher than 400°C loses significant amounts of calcium hydroxide (CH). Decomposition of CH increases porosity and causes significant cracking. The portion of concrete exposed to temperatures higher than 400°C should be repaired or replaced. When subjected to ISO-834 standard fire heating, approximately 0.25 in. and 0.75 in. of concrete from the exposed surface are damaged after 40 minutes and 80 minutes of heating, respectively. Prestressed concrete girders exposed to about 50 minutes of hydrocarbon fire undergo superficial concrete material damage with loss of CH and extensive cracking and spalling extending to the depth of 0.75–1.0 in. from the exposed surface. These girders do not undergo significant reduction in flexural strength or shear strength. The reduction in the initial stiffness may be notable due to concrete cracking and spalling. Bridge inspectors can use these findings to infer the extent of material and structural damage to prestressed concrete bridge girders in the event of a fire and develop a post-fire assessment plan.
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Brown, Donald W. Experiment 2076: Post-Completion Pressure Testing of EE-2A. Office of Scientific and Technical Information (OSTI), June 1988. http://dx.doi.org/10.2172/1244374.

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