Mostrando 2,741 - 2,760 Resultados de 8,308 Para Buscar '"Sand!"', tiempo de consulta: 0.25s Limitar resultados
  1. 2741
  2. 2742
    “…In the present study, the role of sulfur (K(2)SO(4): S; 60 mg S kg(-1) sand) and/or calcium (CaCl(2): Ca; 250 mg Ca kg(-1) sand) applied alone as well as in combination on growth, photosynthetic performance, indices of chlorophyll a fluorescence, nitrogen metabolism, and protein and carbohydrate contents of Indian mustard (Brassica juncea L.) seedlings in the absence and presence of arsenic (Na(2)HAsO(4).7H(2)O: As(1); 15 mg As kg(-1) sand and As(2); 30 mg As kg(-1) sand) stress was analyzed. …”
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  3. 2743
  4. 2744
  5. 2745
  6. 2746
    “…The growth and chlorophyll-a (Chl-a) content of leaves were greater in aquaria with mud than in those with sand, which was used as the reference substrate. …”
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  7. 2747
  8. 2748
    por Ding, Xixu, Zhang, Tingting, Ma, Lei
    Publicado 2021
    “…It is a pioneer plant species with potential for stabilizing sand dunes and ecological restoration. It can settle on moving sand dunes earlier than other desert plants. …”
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  9. 2749
    “…For this purpose, we have used commercial titanium discs of grade 3: as-received corresponds to machined titanium without any surface treatment (MA), chemically acid etched (AE), treated via sand blasting with Al(2)O(3) particles (SB) and a sand-blasting treatment with acid etching (SB+AE). …”
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  10. 2750
    “…This study utilized both experimental testing and machine learning (ML) strategies to assess the effectiveness of waste glass powder (WGP) on the compressive strength (CS) of cement mortar. The cement-to-sand ratio was kept 1:1 with a water-to-cement ratio of 0.25. …”
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  11. 2751
    “…Based on the author’s previous research, it was found that by sacrificing a certain mechanical strength, adding fly ash and fine sand can effectively reduce the drying shrinkage and autogenous shrinkage values of alkali-activated slag cement. …”
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  12. 2752
    “…Seven materials are studied including Austrian rail sand, standard Great British rail sand, waste glass beads, recycled crushed glass, non-coated alumina, coated alumina, and dolomite. …”
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  13. 2753
    “…The research contributes to a better understanding of the corrosion processes caused by the presence of chloride ions in concretes in which ISP slag was used as a substitute for sand in various amounts. Thanks to the treatments of concrete with already corroding reinforcement bars, it can be concluded that the moderate replacement of sand with ISP slag limited to 25% allows for the effective inhibition of corrosion processes taking place in these concretes. …”
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  14. 2754
    “…The results show that benzene and toluene migration in single-lithology soil columns packed with sand was mainly affected by flushing due to the hydraulic force induced by water table fluctuations and that the double-lithology soil column packed with sand and silt was significantly affected by retention due to the higher adsorption induced by 10 cm of silt. …”
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  15. 2755
    “…We found that the formation of corms was significantly delayed under hydroponic conditions without rhizosphere pressure originating from soil/sand. In the initial stage of corm expansion, the anatomic structure of arrowhead corm-forming parts harvested from hydroponics and sand culture was observed, and we found that the corm expansion was derived from cell enlargement and starch accumulation. …”
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  16. 2756
    “…Adopting shell cores reduced gas volume by over 20% (retaining sand with hardener) and 30% (removing sand with hardener), presenting an eco-friendly solution with reduced benzene emissions and core production costs. …”
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  17. 2757
    “…Leishmania parasites are transmitted to their vertebrate hosts by infected phlebotomine sand fly bites. Sand fly saliva is known to enhance Leishmania infection, while immunity to the saliva protects against infection as determined by coinoculation of parasites with vector salivary gland homogenates (SGHs) or by infected sand fly bites (Kamhawi, S., Y. …”
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  18. 2758
  19. 2759
    “…The sandfish lizard (Scincus scincus) swims within granular media (sand) using axial body undulations to propel itself without the use of limbs. …”
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  20. 2760
    “…The highest airborne arsenic concentrations occur over sand dunes and other zones with a surficial layer of aeolian sand. …”
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