نتایج جستجو برای: ecofriendly

تعداد نتایج: 971  

Journal: :Oriental journal of chemistry 2023

The common insecticide used in Cabbage and Basmati rice fields is Cartaphydrochloride(CHC). It a low toxicity belongs to Neurotoxin. Present study aimed synthesize new Nano-insecticide by using polypropylene glycol(PPG) as an encapsulated agent. Nano-CHC useful for plant disease control. Polypropylene glycol CHC size distribution was obtained PadeLaplace dispersion the range between 60-67nm.The...

Journal: :Turkish Journal of Computer and Mathematics Education 2021

The main drawback with microorganism's development on fabrics is associated the maintenance of hygiene and fabric deterioration. In this present investigation a trial has been made to produce an attractive vibrant textile eco-friendly antimicrobial dyeing by marigold, natural resource. Tagetes erecta universally recognized as Marigold remarkable source carotenoids lutein, grown lawn plant. Now ...

Journal: :Indian journal of entomology 2022

Studies were conducted on the incidence, intensity of infestation, infestation grade index and natural enemy complex rugose spiralling whitefly (RSW) Aleurodicus rugioperculatus Martin infesting coconut palms so as to evolve ecofriendly IPM. RSW incidence was at peak in June 2018 (38.3%), subsequently declined December (20.5%), but later attained again March 2019 (47.5%). The pest also showed i...

Journal: :journal of chemical health risks 0
farhad hatamjafari department of chemistry, faculty of science, tonekabon branch, islamic azad university, tonekabon, iran

in this study, the synthesis of 4 h -chromenes of biological activity via a multicomponent reaction of dimedone, aromatic aldehydes and malononitrile catalyzed by glutamic acid as a catalyst was investigated. the structural features of the synthesized compounds were characterized by melting point, ir and 1 h nmr analysis. the catalyst being reported here is cheap, safe to handle and the whole p...

Journal: :Transportation Research Record: Journal of the Transportation Research Board 2017

Journal: :journal of chemical health risks 0
farhad hatamjafari department of chemistry, faculty of science, islamic azad university, tonekabon branch, tonekabon, iran

the present study aimed to use a method for the synthesis of some 3, 4-dihydropyrimidin-2-(1h) - ones/thiones. the study tried to answer the question whether this reaction can be performed without solvent and with new catalyst or not. to find answer to the question, we described a novel protocol for the efficient synthesis of 3, 4-dihydropyrimidin-2-(1h)-one derivatives using aromatic aldehyde,...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید