Results 1 to 10 of about 530,757 (309)

Combining humic acid with NPK fertilizer improved growth and yield of chili pepper in dry season

open access: yesAdvances in Horticultural Science, 2022
This research aimed to study the effect of humic acid and NPK fertilizer (15:15:15) on growth and yield of red chili, and to obtain the most suitable composition of humic acid and NPK fertilizer which gave the best growth and yield.
Budiyati Ichwan   +3 more
doaj   +1 more source

Are Organisms Substances or Processes? [PDF]

open access: yesAustralasian Journal of Philosophy, 2021
I argue that attempts in the philosophy of biology to show that organisms are processes, rather than substances, fail. Despite what process ontologists have said, substance ontology is perfectly able to accommodate the dynamic nature of organisms, their ecological dependence, and their vague boundaries, and their criticisms are directed not at ...
openaire   +1 more source

A Review on Chemical Coagulation Process for Removal of Heavy Metals from Water [PDF]

open access: yesعلوم و مهندسی آب و فاضلاب, 2018
Heavy metal pollution has become one of the most urgent environmental issues, which also poses a potential threat to the human health. This article is suggested to review the advance on the performance of chemical coagulation process in removing heavy ...
Farhad Salimi
doaj   +1 more source

In vitro study of the spectrum antiviral activity of aliphatic acid toward the prototype coronavirus strain

open access: yesBiomedical and Biotechnology Research Journal, 2023
Background: The aim of this study was to perform an in vitro evaluation of the antiviral activity of several well-known organic substances against infectious bronchitis virus (IBV), the prototype strain of the coronavirus family.
Iryna V Dziublyk   +9 more
doaj   +1 more source

Aplikasi Analytical Hierarchy Process Pada Pemilihan Metode Analisis Zat Organik Dalam Air

open access: yesJurnal Ilmiah Teknik Industri, 2016
Water is one of the food products analyzed in water chemistry and environmental laboratories. One of the parameters analyzed are organic substances.
Dino Rimantho   +3 more
doaj   +1 more source

Dissolved humic substances supplied as potential enhancers of Cu, Cd, and Pb adsorption by two different mangrove sediments [PDF]

open access: yes, 2018
Purpose The external supply of humic substances has been recently suggested for the remediation of metal-polluted sediments; however, little is known about how to supply them and their effects on metal mobility.
Barros Dobbss, Leonardo   +4 more
core   +1 more source

The effect of some organic substances and the concentration of dayizone pesticide on the composition and microbial activity of soils [PDF]

open access: yesمجلة جامعة الانبار للعلوم الصرفة, 2014
The present study has been conducted to investigate the effect of organic substance of klkoz and the clover added to the soil on the decomposition of dayizon pesticide in the soil , and the effect of this on the microbial activity of microorganisms in ...
Ahmed Mohammed turkey
doaj   +1 more source

Peroxide impact on the fate of veterinary drugs in fertilizers [PDF]

open access: yes, 2020
The presence of veterinary medicines in organic manure causes soil contamination which contributes to increasing resistance of indigenous microflora to drugs and results in greater susceptibility of people to allergies.
Kalka, Joanna   +3 more
core   +1 more source

Adsorption Characteristics of Fumaric Acid onto Weakly Basic Hypercrosslinked Polystyrene Ion-Exchangers

open access: yesAdsorption Science & Technology, 2006
A new weakly basic ion-exchanger (called XC-11), with a hypercrosslinked macroporous polystyrene matrix and a high specific surface area, was synthesized.
Chao Xu   +5 more
doaj   +1 more source

Literature Survey and Further Studies on the 3-Alkylation of N-Unprotected 3-Monosubstituted Oxindoles. Practical Synthesis of N-Unprotected 3,3-Disubstituted Oxindoles and Subsequent Transformations on the Aromatic Ring

open access: yesMolecules, 2016
The paper provides a comprehensive review of the base-catalysed C3-alkylation of N-unprotected-3-monosubstituted oxindoles. Based on a few, non-systematic studies described in the literature using butyllithium as the deprotonating agent, an optimized ...
Eszter Kókai, Gyula Simig, Balázs Volk
doaj   +1 more source

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