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Journal articles on the topic 'Thermogradient effect'

Author: Grafiati

Published: 28 May 2022

Last updated: 30 July 2025

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1

Kovziridze, Zviad. "Formula of Thermogradient Effect." Journal of Electronics Cooling and Thermal Control 08, no. 04 (2018): 49–54. http://dx.doi.org/10.4236/jectc.2018.84004.

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2

Mychko, A., Artur Medvid', Janis Barloti, and Yu Naseka. "Influence of Laser Radiation on Optical Properties and Surface Structure of CdZnTe Crystal." Advanced Materials Research 222 (April 2011): 130–33. http://dx.doi.org/10.4028/www.scientific.net/amr.222.130.

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The change of surface of Cd0.9Zn0.1Te crystal morphology after irradiation by pulsed Nd:YAG laser has been studied. Thermogradient effect (TGE) has the main role in the interaction process of laser radiation with semiconductors. A change of the irradiated surface relief has been observed by atom force microscope. Self-organizing nano-cones are observed on the irradiated surface of Cd0.9Zn0.1Te crystal at intensity of the laser in the range of 4.0 – 12.0 MW/cm2. A graded band gap structure with optical window was formed at the top of nano-cones.

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3

Leon, Ramon G., Allen D. Knapp, and Micheal D. K. Owen. "Effect of temperature on the germination of common waterhemp (Amaranthus tuberculatus), giant foxtail (Setaria faberi), and velvetleaf (Abutilon theophrasti)." Weed Science 52, no. 1 (2004): 67–73. http://dx.doi.org/10.1614/p2002-172.

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Common waterhemp, giant foxtail, and velvetleaf seed germination in response to temperature was studied with a two-way thermogradient plate. Seeds were maintained under dark and wet conditions at 4 C for 12 wk, and velvetleaf seeds were scarified before the experiments were conducted. The seeds were germinated at 25 different temperature treatments. Minimum and optimum temperatures for velvetleaf germination were approximately 8 and 24 C, respectively. Temperature alternation did not affect the germination of this species. The minimum germination temperature was 10 C for common waterhemp and 1

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4

Pimentel, Isabel, and Samuel Contreras. "Red and Far-red Light Treatments to Modify Thermoinhibition, Photoblasticity, and Longevity in Lettuce Seeds." HortTechnology 24, no. 4 (2014): 463–70. http://dx.doi.org/10.21273/horttech.24.4.463.

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Germination in lettuce (Lactuca sativa) seeds can be inhibited by high temperatures (thermoinhibition) or darkness (positive photoblasticity). Priming is commonly used as a seed treatment to avoid these problems. However, this treatment is complicated, expensive and has detrimental effect on seed longevity. The objectives of this study were to 1) develop a simple alternative treatment to priming, based on red light irradiations and 2) to develop a treatment to extend seed longevity. Lettuce seeds from cultivars Tango, Milanesa, Ideal Cos, and Gallega de Invierno were partially hydrated in cont

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5

Medvid, Arthur, Pavels Onufrijevs, L. Fedorenko, N. Yusupov, and Edvins Dauksta. "Suppression of Pores Formation on a Surface of p-Si by Laser Radiation." Solid State Phenomena 156-158 (October 2009): 337–41. http://dx.doi.org/10.4028/www.scientific.net/ssp.156-158.337.

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The influence of strongly absorbing N¬2 laser radiation on pores formation on a surface of Si single crystal has been investigated using optical microscope, atomic force microscope and photoluminescence. After irradiation by the laser and subsequent electrochemical etching in HF acid solution morphological changes of the irradiated parts of a surface of Si were not observed. At the same time, pores formation on the non-irradiated parts of Si surface took place. The porous part of the Si surface is characterized by strong photoluminescence in red part of spectra with maximum at 1.88 eV and inte

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6

Hurdle, Nicholas L., Timothy L. Grey, C. Pilon, W. Scott Monfort, and Eric P. Prostko. "Peanut Seed Germination and Radicle Development Response to Direct Exposure of Flumioxazin Across Multiple Temperatures." Peanut Science 47, no. 2 (2020): 89–93. http://dx.doi.org/10.3146/ps19-20.1.

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ABSTRACT Peanut injury in the field can occur from flumioxazin applied PRE, but this is associated with plants that have emerged, or are about to, emerge from soil. The direct effect of flumioxazin on peanut seed germination and radicle development has not been evaluated. Therefore, research was conducted to determine peanut seed radicle development response to flumioxazin at different concentrations (0.0, 0.01, 0.10, 1.0 and 10.0 ppb) when tested at multiple temperatures (20, 23, 26, and 29 C) in laboratory experiments on a thermogradient table. Data analysis indicated that flumioxazin concen

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7

Krzyzanowski, Francisco Carlos, and James Curtis Delouche. "Germination of cotton seed in relation to temperature." Revista Brasileira de Sementes 33, no. 3 (2011): 543–48. http://dx.doi.org/10.1590/s0101-31222011000300017.

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The effect of constant temperature on the germination rate and percentage of two cotton seed lots was determined using a thermogradient plate. A gradient of 10 ºC to 40 ºC was established across the plate so that temperatures changed 2 ºC for each 5 cm increment in length, resulting in sixteen different temperature treatments. The optimal temperature zone for germination was 28 ºC to 30 ºC. As temperature decreased from the optimal zone, the rate of germination also decreased but germination percentages during the 10-day period were significantly lower only below 20 ºC. As temperature increase

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8

Medvids, Artur, Pavels Onufrijevs, Edvins Dauksta, and Nikolai A. Sobolev. "Homo- and Hetero-Structure Formation in Semiconductors by Laser Radiation: First Stage of Quantum Cones Formation." Solid State Phenomena 205-206 (October 2013): 475–79. http://dx.doi.org/10.4028/www.scientific.net/ssp.205-206.475.

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A possibility of formingquantum cones (QC) by Nd:YAG laser radiation on the surface of semiconductorssuch as Si and Ge crystals, and SiGe and CdZnTe solid solutions has been shown.A two-stage mechanism of quantum cone formation has been proposed. The first stage is generation and redistribution of point defects (impurity atoms and intrinsic point defects – vacancies and self-interstitials) in a temperature gradient field, the so-called thermogradient effect. As a result a new phase is formed on the irradiated surface, for example a Ge phase forms on the surface of a SiGe solid solution. The se

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9

Welles, Melanie L., David E. Hartley, and Steven E. Newman. "The Effects of Root Zone Temperature and Limestone on pH and Electrical Conductivity on New Guinea Impatiens `Celebration Orange'." HortScience 40, no. 4 (2005): 1125A—1125. http://dx.doi.org/10.21273/hortsci.40.4.1125a.

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The purpose of this experiment was to examine the effects of various root-zone temperatures and pH on Impatiens ×hybrida, New Guinea impatiens `Celebration Orange.' Greenhouse growers need to be cognizant of the root-zone medium pH, as New Guinea impatiens are sensitive to nutrient toxicities at low pH. It is thought that limestone at low root-zone medium temperatures is not quickly activated, leading to toxicities. The objectives of this project were to determine: the effect of root-zone medium pH on foliar symptoms of iron and manganese toxicity; and the effective rates and grind size of lim

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10

Chejara, Vinod K., Paul Kristiansen, Ralph D. B. Whalley, Brian M. Sindel, and Christopher Nadolny. "Factors Affecting Germination of Coolatai Grass (Hyparrhenia hirta)." Weed Science 56, no. 4 (2008): 543–48. http://dx.doi.org/10.1614/ws-07-163.1.

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Coolatai grass is an invasive, perennial grass from Africa and the Middle East that has infested large areas of northern New South Wales, Australia, and also occurs in other Australian states. An understanding of the seed germination ecology of Coolatai grass can assist in predicting its potential distribution and developing effective management strategies. The effects of various environmental factors on Coolatai grass seed germination were investigated in a series of laboratory experiments. The effect of diurnal alternating temperatures (5–45 C) with a 12-h photoperiod were examined on a ther

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11

Trabelsi, Abdelkrim, Rafik Belarbi, Kamilia Abahri, and Menghao Qin. "Assessment of temperature gradient effects on moisture transfer through thermogradient coefficient." Building Simulation 5, no. 2 (2012): 107–15. http://dx.doi.org/10.1007/s12273-012-0063-x.

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12

Janssen, Hans. "A comment to “Assessment of temperature gradient effects on moisture transfer through thermogradient coefficient”." Building Simulation 6, no. 1 (2012): 103–8. http://dx.doi.org/10.1007/s12273-012-0099-y.

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13

Hicks, J. W., and S. C. Wood. "Temperature regulation in lizards: effects of hypoxia." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 248, no. 5 (1985): R595—R600. http://dx.doi.org/10.1152/ajpregu.1985.248.5.r595.

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Temperature regulation during external (lowered lung PO2) and internal hypoxia (anemia) was examined in four species of lizards. Exposure to a hypoxic gas mixture in a thermogradient resulted in the animals lowering their selected (preferred) body temperature. A 50% reduction in the O2 carrying capacity of the blood also reduced the selected body temperature. Lizards "shuttle" when forced to select a temperature either above or below their normal selected temperature. Exposure to hypoxia decreases the upper and lower exit temperatures during shuttling. Furthermore, a decrease in the inspired O

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14

Trabelsi, Abdelkrim, Rafik Belarbi, Kamilia Abahri, and Menghao Qin. "Reply on the comments regarding the paper “Assessment of temperature gradient effects on moisture transfer through thermogradient coefficient”." Building Simulation 6, no. 1 (2013): 109–10. http://dx.doi.org/10.1007/s12273-013-0100-4.

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15

Schwember, Andrés R., and Kent J. Bradford. "Drying Rates following Priming Affect Temperature Sensitivity of Germination and Longevity of Lettuce Seeds." HortScience 40, no. 3 (2005): 778–81. http://dx.doi.org/10.21273/hortsci.40.3.778.

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Seed priming (controlled hydration followed by drying) is used to alleviate high temperature inhibition of germination and improve seedling emergence of lettuce (Lactuca sativa L.) and other species. However, seed priming can also reduce the longevity of seeds during dry storage. Alternative drying methods [i.e., slow drying or moisture content reduction (MCR) before drying] can extend seed longevity compared to conventional rapid drying procedures after priming. Three postpriming drying treatments were tested on `Conquistador' and `Genecorp Green' lettuce seeds: rapid drying, slow drying and

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16

Ruttledge, Annemieke, Ralph D. B. Whalley, Gregory Falzon, David Backhouse, and Brian M. Sindel. "The role of soil temperature and seed dormancy in the creation and maintenance of persistent seed banks of Nassella trichotoma (serrated tussock) on the Northern Tablelands of New South Wales." Rangeland Journal 42, no. 2 (2020): 85. http://dx.doi.org/10.1071/rj20008.

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A large and persistent soil seed bank characterises many important grass weeds, including Nassella trichotoma (Nees) Hack. ex Arechav. (serrated tussock), a major weed in Australia and other countries. In the present study we examined the effects of constant and alternating temperatures in regulating primary and secondary dormancy and the creation and maintenance of its soil seed bank in northern NSW, Australia. One-month-old seeds were stored at 4, 25°C, 40/10°C and 40°C, in a laboratory, and germination tests were conducted every two weeks. Few seeds germinated following storage at 4°C, comp

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17

Sung, Yu, Daniel J. Cantliffe, and Russell T. Nagata. "Seed Developmental Temperature Regulation of Thermotolerance in Lettuce." Journal of the American Society for Horticultural Science 123, no. 4 (1998): 700–705. http://dx.doi.org/10.21273/jashs.123.4.700.

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Lettuce (Lactuca sativa L.) seeds can fail to germinate at temperatures above 24 °C. The degree of thermotolerance is thought to be at least partly related to the environment under which the seed developed. In order to study the effects of temperature during seed development on subsequent germination, various lettuce genotypes were screened for their ability to germinate at temperatures ranging from 20 to 38 °C. Seeds of the selected genotypes `Dark Green Boston' and `Valmaine' (thermosensitive), `Floricos 83', `Everglades', and PI 251245 (thermotolerant) were produced at 20/10, 25/15, 30/20,

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18

Lodge, G. M., and R. D. B. Whalley. "Fate of annual pasture legumes seeds on a two-way thermo-gradient plate." Rangeland Journal 24, no. 2 (2002): 227. http://dx.doi.org/10.1071/rj02013.

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Effects of diurnally alternating temperatures (5/5–45/45�C) were examined on a two-way thermogradient plate for non-dormant seeds of 14 annual pasture legumes. Seed fates (germination, temperature induced non-viability and temperature induced dormancy) were determined from daily seed counts over a 14-day period on-plate and a further 14 days after removal from the plate. These data clearly demonstrate the existence and extent of seed fates other than germination. Maximum dormancy occurred over a broad range of temperatures for seeds of Trifolium subterraneum L. var. subterraneum (Katzn. et Mor

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19

Zhakatayev, Toksan A. "About the Possibility of the Bulk Thermo Gradient Effect Use for the Creation of the Effective Thermobattery." Journal of Siberian Federal University. Engineering & Technologies, February 2020, 5–13. http://dx.doi.org/10.17516/1999-494x-0202.

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The theoretical basis has been developed and the idea of practical production and testing the semiconductor electric generator (thermobattery) of a new type acting on the basis of a metal – semiconductor system has been offered. It is shown that the thermobattery will work on the basis of the use of a bulk thermogradient effect. Such effect allows to gain a sufficient level of generated power from one unit of the whole volume of a semiconductor material. When using the semiconductor thermobattery together with solar and wind electric generators, it is possible to simplify significantly constru

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