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372.624  Articles
1 of 37.263 pages  |  10  records  |  more records»
Biodiesel was synthesized from oleic acid using Ni (II)-exchanged heteropolyacids immobilized on silica (Ni0.5H3SiW?/?SiO2?) as a solid acid catalyst. Based on detailed analyses of FT-IR, XRD, TG and SEM, the structural, surface and thermal stability of N... see more

Zinc as an element is considered as one of the most limiting nutrients for crop production, mainly for cereals in the arid areas of the world. The article explores the impact of zinc salts at different concentrations on the course of physiological biochem... see more

The objective of the research was to study the interaction between dose of humic acid and nitrogen fertilizer on the growth and yield of  rice. The experiment was conducted in May until September 2014 in Sukamanah village Cipedes sub-district Tasikma... see more

Salicylic acid enhances the flowering process in the plant by creating new proteins under salinity stress. The study was to determine the role of salicylic acid (500 ppm) and potassium nitrate (1500 ppm), on flowering of date palm ‘Sayer’ offshoots under ... see more

Cocrystallization could improve most physicochemical properties of specific active pharmaceutical ingredients, which has great potential in pharmaceutical development. In this study, the cocrystal of nitrofurantoin and 4-aminobenzoic acid was prepared wit... see more

A number of the quaternary ammonium salts previously unknown with polyfunctional pyrazole base have been obtained. The structure of these pyrazoles contains highly polar ammonium, ureide and hydroxymethyl groups. The compounds under study were synthesized... see more

Tulip (Tulipa gesneriana L.) is an important and highly valuable flower of the cut flower industry. The most critical step in its cultivation is to break dormancy in order to initiate the growth, especially in tropical and sub-tropical areas of the world.... see more

EDITORIALAlginate is formed of the mannuronate (M-block) and residues of guluronate (G-block) organized in intermittent blocks in linear chain. Currently, the source of alginate is the cell wall of the brown seaweeds (Saude and Junter, 2002), where they a... see more

The fertiliser value of human urine has been examined on several crops, yet little is known about its effects on key soil properties of agronomic significance. This study investigated temporal soil salinization potential of human urine fertiliser (HUF). I... see more

1 of 37.263 pages  |  10  records  |  more records»