Results 31 to 40 of about 47,788 (297)

Optimization of Voltammetric Determination of Dysprosium (III) Using Plackett-Burman and RSM-CCD Experimental Designs

open access: yesمجلة بغداد للعلوم, 2020
This study was aimed to develop an optimized Dy determination method using differential pulse voltammetry (DPV). The Plackett-Burman (PB) experimental design was used to select significant factors that affect the electrical current response, which were ...
Santhy Wyantuti   +4 more
doaj   +1 more source

Prediction of Loss on Ignition of Ternary Cement Containing Coal Bottom Ash and Limestone Using Central Composite Design [PDF]

open access: yes, 2019
The effect of CBA/CBA-L ratio and the cement replacement on the Loss on ignition (LOI) of ternary cement blends was investigated using central composite design approach in the prediction of LOI of ternary cement blend comprising of Ordinary Portland ...
Makarfi, Isa Yusuf   +2 more
core   +2 more sources

Maximizing Permeate Flux of IPA Dehydration via Optimizing Pervaporation Condition Through Central Composite Design (CCD)

open access: yes, 2023
Abstract This paper reports a study on the operating condition of a pervaporation system for IPA dehydration. The two-condition study within this system is amount of water contents in binary feed mixture and operating temperature. The highest possible flux obtained from this study is at 12 wt% − 14 wt% of water in IPA and 61 ℃ – 65 ℃ operating ...
Mohamad Syafiq Abdul Wahab   +2 more
openaire   +1 more source

Absolute reflectance of a concave mirror used for astro-particle physics experiments [PDF]

open access: yes, 2018
The absolute reflectance of a reflector and its point spread function are the key parameters of a telescope for measuring light flux. Typically, one is using low-cost technologies for producing mirrors for the needs of astro-particle physics experiments.
Arcaro, Cornelia   +3 more
core   +1 more source

Optimization of supercritical fluid extraction of asiaticoside from Centella asiatica using Central Composite Design (CCD) [PDF]

open access: yesSeparation Science and Technology, 2020
The extraction of asiaticoside was performed using supercritical fluid extraction to produce highly concentrated extracts.
Fatin Shazwani Ruslan   +3 more
openaire   +1 more source

Assessment of Phenol Removal Efficiency by Synthesized Zero Iron Nanoparticles and Fe Powder Using the Response Surface Methodology [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2017
The purpose of this study was the investigation of the removal of phenol with nanoparticles zero valent iron and iron powder. The effect of various parameters such as initial concentration, pH, contact time, and dosage of NZVI and Fe powder was examined,
Hasti Daraei   +2 more
doaj  

Composite mirror facets for ground based gamma ray astronomy [PDF]

open access: yes, 2013
Composite mirrors for gamma-ray astronomy have been developed to fulfill the specifications required for the next generation of Cherenkov telescopes represented by CTA (Cherenkov Telescope Array).
Brun, P.   +7 more
core   +2 more sources

Lipase Activity Enhancement of KC4J Mutant from Oil Palm Waste Using Response Surface Method and Characterization.

open access: yesMicrobiology Indonesia, 2022
Lipase has an important role in industry. The KC4J mutated isolates from oil palm  waste had 100% similarity to  Aspergillus fumigatus strain RA204, a fungus known produce lipase.
Aris Indriawan   +3 more
doaj   +1 more source

Optimisation of broilers performance to different dietary levels of fibre and different levels and sources of fat from 0 to 14 days of age

open access: yesItalian Journal of Animal Science, 2021
Central composite design (CCD; 3 levels and 3 factors) and response surface methodology (RSM) were used to evaluate the average daily body weight gain (ADG) and feed conversion ratio (FCR) in broiler chicks to different levels of dietary sugar beet pulp (
Fatemeh Aziz-Aliabadi   +3 more
doaj   +1 more source

Effect of iron and ascorbic acid addition on dry infusion process and final color of pumpkin tissue [PDF]

open access: yes, 2014
In the present study, pumpkin (Cucurbita moschata Duchesne ex Poiret) was used as raw material to produce sweet food fortified with iron (Fe) and ascorbic acid (AA). A dry infusion process with a subsequent air drying was applied.
de Escalada Pla, Marina Francisca   +2 more
core   +1 more source

Home - About - Disclaimer - Privacy