Results 21 to 30 of about 31,650 (117)

A study of the cardio-depressant actions of harman alkaloids isolated from the seeds of Peganum harmala [PDF]

open access: yesPerspectives In Medical Research, 2018
Introduction: The plant Peganum harmala is a shrub native to the arid parts of the world including India. It’s therapeutic value is attributed to the presence of alkaloids harmala and harmine in the dried ripe seeds.
Rajkumar T1 , Devde R2
doaj  

Experimental and Mechanistic Study on Flotation Separation of Chalcopyrite and Molybdenite Using the Novel Depressant 2-Mercapto-6-Methylpyrimidin-4-ol

open access: yesMolecules
Chalcopyrite and molybdenite are vital strategic metal resources. Due to their close association in ores, flotation methods are commonly used for separation.
Xiangwen Lv   +4 more
doaj   +1 more source

Effect and Mechanism of New Chalcopyrite Depressant GX3 on Flotation Separation of Copper and Molybdenum

open access: yesKuangchan zonghe liyong
In view of the problems of environmental pollution and large consumption of reagents in traditional chalcopyrite depressant, it is of great significance to develop new depressant to achieve effective separation of copper and molybdenum.
Wentao XU   +3 more
doaj   +1 more source

Combined Effect of Ethanol and Acetaminophen on the Central Nervous System of Daphnia magna [PDF]

open access: yesImpulse: The Premier Undergraduate Neuroscience Journal, 2010
The combined consumption of acetaminophen (APAP) and ethanol (EtOH) has been an issue with clinical implications. Previous findings regarding the simultaneous consumption of APAP and EtOH have reported harmful effects on the liver and stomach; however ...
Brigid Bleaken
doaj  

Efficient and Green Flotation Separation of Molybdenite from Chalcopyrite Using 1-Thioglycerol as Depressant

open access: yesMetals
The effective and environmental separation of chalcopyrite and molybdenite has long presented a challenge in mineral processing due to their similar floatability and close association at room temperature. This study explores the non-toxic 1-thioglycerol (
Feng Jiang   +4 more
doaj   +1 more source

Flotation Separation of Cassiterite from Calcite Using Low-Molecular-Weight Citrus Pectin as Depressant

open access: yesSeparations
This paper presents the development of an environmentally friendly, small molecular depressant citrus pectin for improving the recovery of cassiterite resources. Citrus pectin extracted from citrus peel was utilized as the depressant, and it demonstrated
Chenyang Yao   +8 more
doaj   +1 more source

Polyacrylamides as co-depressant in hematite and quartz microflotation

open access: yesREM: International Engineering Journal, 2021
In the present study, microflotation experiments were performed on pure minerals systems involving hematite and quartz in the presence of etherdiamine as collector. The influence of polyacrylamides as co-depressant was investigated in a blend with starch
Kelly Cristina Ferreira   +1 more
doaj   +1 more source

Flotation Behavior of Complex Sulfide Ores in the Presence of Biodegradable Polymeric Depressants

open access: yesInternational Journal of Polymer Science, 2017
In this study, chitosan polymer was tested as a potential selective green depressant of pyrite in the bulk flotation of galena (PbS) and chalcopyrite (CuFeS2) from sphalerite (ZnS) and pyrite (FeS2) using sodium isopropyl xanthate as a collector and 4 ...
Muhammad Badar Hayat   +2 more
doaj   +1 more source

CNS DEPRESSANT, ANALGESIC AND ANTIINFLAMMATORY ACTIVITY OF CERTAIN OXANILAMIDE DERIVATIVES [PDF]

open access: yesBulletin of Pharmaceutical Sciences. Assiut University, 1983
The present study was designed to evaluate the CNS depressant, analgesic and antiinflammatory activity of six N- {D-threo(-)-1-(p-nitrophenyl)-1,3-dihydroxyisopropyl}-N-4-substituted carbamyol-3-hydroxyoxanilamides.
H. El-Bitar
doaj   +1 more source

Neuropharmacological properties of Mikania scandens (L.) Willd. (Asteraceae)

open access: yesJournal of Advanced Pharmaceutical Technology & Research, 2011
Mikania scandens (L.) Willd. (Asteraceae), known as climbing hemp weed in English, is a herbaceous climbing vine grown as a weed throughout the plains of the Indian subcontinent.
Protapaditya Dey   +3 more
doaj   +1 more source

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