Results 11 to 20 of about 428,013 (350)
Molecules, 2005 The synthesis of 3-alkyl(aryl)-4-(3-ethoxy-4-hydroxybenzylidenamino)-4,5-dihydro-1H-1,2,4-triazol-5-ones 3 from the reactions of 3-alkyl(aryl)-4-amino-4,5-dihydro-1H-1,2,4-triazol-5-ones 2 with 3-ethoxy-4-hydroxybenzaldehyde is described.The acetylation ...
Sule Bahceci +4 more
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Detection of internal quality in kiwi with time-domain diffuse reflectance spectroscopy [PDF]
, 2004 Time-domain diffuse reflectance spectroscopy (TRS), a medical sensing technique, was used to evaluate internal kiwi fruit quality. The application of this pulsed laser spectroscopic technique was studied as a new, possible non-destructive, method to ...
Cubeddu, Rinaldo +8 more
core +2 more sources
Aluminum toxicity reduces the nutritional efficiency of macronutrients and micronutrients in sugarcane seedlings [PDF]
Ciência e AgrotecnologiaAlthough the effects of aluminum on the content and accumulation of mineral nutrients in crops have been studied, but nothing is known about its effect on the nutritional efficiency of sugarcane.
Carolina Eggers Borges +3 more
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Molecules, 2021 The surface pH is a critical factor in the quality and longevity of materials and products. Traditional fast colorimetric pH detection-based tests such as water quality control or pregnancy tests, when results are determined by the naked eye, cannot ...
Katarína Vizárová +6 more
doaj +1 more source
Gas phase carbon acidity and correlations with aqueous pK~a~ values: A comparison of B3LYP/6-311++G(d,p), Gaussian-4 (G4), and experimental approaches [PDF]
, 2010 Gas phase standard state (298.15 K, 1 atm) calculations were conducted at the B3LYP/6-311++G(d,p) density functional and the Gaussian-4 (G4) composite method levels of theory to estimate the acidity of various carbon acids.
Kaya Forest, Sierra Rayne
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Nanomaterials, 2014 Ordered mesoporous SBA-15 analogs with different Si/Al ratios were successfully prepared in a two-step process from self-assembly of ZSM-5 nanoseeds at high temperature in mildly acidic media (473 K, pH 3.5).
Xuan Hoan Vu +3 more
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Changes in Grape Maturity Induced by Spraying Ethanol [PDF]
, 2004 Three different ethanol solutions were sprayed onto Cabernet Sauvignon (Vitis vinifera L.) clusters during the ripening period: 2.5, 5 and 10% by volume in water. Controls were sprayed with water alone. Three different times of spraying were also tested:
Chervin, Christian +10 more
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Chemical modeling for pH prediction of acidified musts with gypsum and tartaric acid in warm regions [PDF]
, 2015 Winemaking of musts acidified with up to 3 g/L of gypsum (CaSO4 2H2O) and tartaric acid, both individually and in combination, as well as a chemical modeling have been carried out to study the behaviour of these compounds as acidifiers.
Boulton +16 more
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The gastric acid pocket is attenuated in H. pylori infected subjects [PDF]
, 2016 Objective Gastric acid secretory capacity in different anatomical regions, including the postprandial acid pocket, was assessed in Helicobacter pylori positive and negative volunteers in a Western population. Design We studied 31 H.
Ballantyne, Stuart A. +6 more
core +1 more source
Biochar Effect on Maize Yield and Soil Characteristics in Five Conservation Farming Sites in Zambia
Agronomy, 2013 Biochar addition to agricultural soils can improve soil fertility, with the added bonus of climate change mitigation through carbon sequestration. Conservation farming (CF) is precision farming, often combining minimum tillage, crop rotation and residue ...
Alfred Obia +9 more
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