Showing 1,441 - 1,460 results of 3,087 for search '"nitrogen"', query time: 0.05s Refine Results
  1. 1441

    EFFECT OF DIFFERENT CONDITIONS OF WELSH ONION SEED STORAGE ON GERMINATION AND CYTOGENETIC CHARACTERISTICS OF THEIR SEEDLINGS by I. A. Prokopiev, G. V. Filippova, A. A. Shein

    Published 2015-01-01
    “…The conditions best for seed storage are: +4 °C (argon, carbon dioxide), –6 °C (air, argon, nitrogen, carbon dioxide) and –18 °C (air), as proven by the lowest frequency of micronuclei in root cells of seedlings.…”
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  2. 1442

    Interpreting Dye Test Results for Improved Drip Irrigation Management for the Mulched Vegetable-Production Systems in South Florida by Sanjay Shukla, Nathan Holt, Gregory Hendricks

    Published 2014-07-01
    “… On-farm dye tests provide simple, low-cost methods to understand how water and dissolved nutrients (e.g., nitrogen) will move within beds at a given farm. If it is not feasible for the grower to conduct an on-farm dye test, results from a dye test with similar site characteristics—including region, soil type, bed geometry, and drip tape—can be used. …”
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  3. 1443

    Empirical Procedures for the Analysis of Physisorption Isotherms by Kenneth S.W. Sing, Ruth T. Williams

    Published 2005-12-01
    “…The validity of BET-nitrogen areas can be checked and also, by using probe molecules of different sizes, one can obtain a semi-quantitative evaluation of the micropore-size distribution. …”
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    Article
  4. 1444

    Preparation and Adsorption Studies of High Specific Surface Area Activated Carbons Obtained from the Chemical Activation of Jute Stick by Mohammad Asadullah, Muhammad A. Rahman, Mohammad A. Motin, Mohammad B. Sultan

    Published 2006-11-01
    “…The BET surface area of the activated carbon was measured by nitrogen adsorption methods. The maximum specific surface area was found to be 1734 m 2 /g. …”
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    Article
  5. 1445

    Mesopore Development in Activated Carbon Fibres by Additional Chemical Activation by Song Lei, Junichi Miyamoto, Hirofumi Kanoh, Katsumi Kaneko

    Published 2006-06-01
    “…The porosity change was examined by performing N 2 adsorption measurements at 77 K. The nitrogen adsorption isotherm varied as a result of re-activation with Na 2 HPO 4 or Ca(NO 3 ) 2 at 1123 K or 1173 K for 1 h or 2 h, with that of the re-activated ACFs exhibiting explicit H4 or H1 hysteresis. …”
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    Article
  6. 1446

    Study of Porous Structures and Thermal Properties of Luminescent Polymeric Microspheres Derivatives of Naphthalene-2,7-Diol by Beata Podkościelna, Mateusz Lutomski

    Published 2015-08-01
    “…Porous structures of the obtained microspheres in the dry state were studied by nitrogen adsorption–desorption measurements. Thermal stabilities and degradation behaviours of the obtained co-polymers were characterized by differential scanning calorimetry and thermogravimetric/derivative thermogravimetry analyses. …”
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    Article
  7. 1447

    Method of Prevent the for Years for a Change of Precision Punching Die by Tian Shaojie, Hu Zhongcheng, Liu Jing

    Published 2016-01-01
    “…Secondly,the dies are heated to 650 ℃ and 850 ℃ for pre- heating,then to 1 010 ℃ for quenching and the dies are cooled by pressed Nitrogen in vacuum furnace. Thirdly,the dies are deeply cooled to- 196 ℃,then,the tempering of dies is used which are heated to 250 ℃ for two times and following closely to 200 ℃ for one time. …”
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  8. 1448

    Electrochemical Studies for Cation Recognition with Diazo-Coupled Calix[4]arenes by Bongsu Kim, Tae Hyun Kim

    Published 2015-01-01
    “…This can be explained on metal ion complexation-induced release of proton from the azophenol to the quinone-hydrazone tautomer followed by internal complexation of the metal ion with aid of nitrogen atoms and ortho-carbonyl groups in the diazophenylazocalix[4]arenes.…”
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  9. 1449

    High-surface-area activated red mud for efficient removal of methylene blue from wastewater by Zhong-Pan Hu, Ze-Min Gao, Xinying Liu, Zhong-Yong Yuan

    Published 2018-02-01
    “…The physicochemical properties of the resultant samples were characterized by X-ray diffraction, Fourier transform infrared spectroscopy, thermogravimetry analysis, and nitrogen sorption techniques. Batch studies were measured to investigate the influence factors including adsorbent dosage, contact time, pH, and initial concentration. …”
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  10. 1450

    The influence of the hydroxyapatite synthesis method on the electrochemical, surface and adsorption properties of hydroxyapatite by Ewa Skwarek, Władysław Janusz, Dariusz Sternik

    Published 2017-06-01
    “…The synthesized adsorbents were characterized by the following methods: thermal analysis, EDAX, XRD, FTIR, adsorption and desorption of nitrogen. The electrochemical properties were studied by electrochemical titration and zeta potential. …”
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  11. 1451

    Research on inhibiting properties of new schale deposition reagents by Aga-Zade A. D., Cavadova L. A., Kholmurodova Dilafruz, Ungalov Sanjar

    Published 2025-01-01
    “…New compositions for inhibiting scale deposits on oil-field equipment and pipelines have been developed based on a nitrogen- containing compound, inhibited hydrochloric acid, anionic polymer and water. …”
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  12. 1452

    Development and study of iron-based nanoadsorbents by Deliyanni E., Bakoyannakis D., Zouboulis A., Matis K.

    Published 2004-01-01
    “…The produced materials were examined in detail (i.e. by powder X-ray diffraction, TEM and nitrogen sorption measurement). Main aim of this study was to evaluate the efficiency of the prepared material in the removal of heavy and toxic metal cations, like Cd(II), from aqueous solutions; cadmium constitutes a priority pollutant. …”
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  13. 1453

    Silver nanoparticles deposited on pyrogenic silica solids: Preparation and textural properties by M Zienkiewicz-Strzałka, M Błachnio, A Deryło-Marczewska, RB Kozakevych, YM Bolbukh, VA Tertykh

    Published 2017-09-01
    “…The properties of the nanocomposites were investigated by transmission electron microscopy, nitrogen adsorption–desorption isotherms, and thermal analysis (thermogravimetry/differential scanning calorimetry).…”
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  14. 1454

    Effect of Temperature on the Adsorption of Organic Vapours on Activated Carbon Fibres by Zheng-Hong Huang, Feiyu Kang, Jiming Hao

    Published 2004-05-01
    “…Viscose rayon-based activated carbon fibre (ACF) was prepared by CO 2 activation and the pore structure of all samples characterized via nitrogen adsorption at −196°C. The influence of temperature on the adsorption of organic vapour onto ACF was studied by gravimetric methods. …”
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  15. 1455

    Evaluation of Groundwater Quality in People's Victory Canal Irrigation Area by LIU Zhongpei, CAI Qingfeng, DOU Ming, CHEN Ying

    Published 2020-01-01
    “…However, from wet season to wet season, the quality of groundwater gets better due to the improvement of evaluation factors such as oxygen consumption, nitrite and ammonia nitrogen.…”
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  16. 1456

    Structure, Texture and Catalytic Properties of Pd/SiO Catalysts by S.A. El-Hakam, Awad I. Ahmed, S.M. Hassan, H.M. Farage

    Published 1996-10-01
    “…The textural properties were determined using low-temperature nitrogen adsorption. Surface areas were calculated and the dependence of the surface area on the metal content has been discussed. …”
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  17. 1457

    Bermudagrass Production in Florida by Carrol G. Chambliss, Freddie A. Johnson

    Published 2020-05-01
    “…Hybrid bermudagrasses have been popular for hay production because they are very responsive to nitrogen fertilizer, have high yield potential, and usually dry or cure faster than most other forages that could be used for hay. …”
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  18. 1458

    Climate-based Management to Reduce Nitrate Leaching from Dairies in the Suwannee River Basin by Victor E. Cabrera, Norman E. Breuer, Peter E. Hildebrand, Clyde Fraisse

    Published 2005-06-01
    “…Dairy waste is thought to be an important factor contributing to nitrogen pollution in local waters. Dairy farmers are now required to comply with stricter environmental regulations, either under permit or under voluntary incentive-based programs. …”
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  19. 1459

    Hydroxyapatite composites with multiwalled carbon nanotubes by Ewa Skwarek, Yuliia Bolbukh, Władysław Janusz, Valentyn Tertykh

    Published 2017-06-01
    “…Morphology of composites obtained was studied by nitrogen adsorption/desorption technique and scanning electron microscopy. …”
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  20. 1460

    Selection of crucible oxides in molten titanium and titanium aluminum alloys by thermo-chemistry calculations by Kostov A., Friedrich B.

    Published 2005-01-01
    “…Titanium and its alloys interstitially dissolve a large amount of impurities such as oxygen and nitrogen, which degrade the mechanical and physical properties of alloys. …”
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