Results 11 to 20 of about 173,479 (247)

Influence of gadolinium doping on structural properties of carbon nanotubes

Фізика і хімія твердого тіла, 2023
The paper presents an analysis of SEM, EDX, Raman scattering, and FTIR of Gadolinium-doped multi-walled carbon nanotubes obtained by hydrothermal method. The morphological characteristics of the materials were studied and their compositions were analyzed.
R.G. Abaszade, M.B. Babanli, V.O. Kotsyubynsky, A.G. Mammadov, E. Gür, О.А. Kapush, M.O. Stetsenko, R.I. Zapukhlyak   +7 more
doaj   +1 more source

Coal Ash Deposit Normal Spectral Emissivity Measurement

发电技术, 2019
Coal ash deposit is important to the heat transfer of ultra-supercritical boilers. Its radiation characteristics are very important for accurately describing the heat transfer in the boiler.
Yizhan CHAI, Zhen YANG, Yuanyuan DUAN
doaj   +1 more source

Corrosion inhibition of stainless steel 304 in hydrochloric acid solution using clindamycin antibiotic as eco-friendly inhibitor

Zaštita Materijala, 2019
The corrosion protection of stainless steel 304 (SS 304) in 2M HCl solutions using Clindamycin antibiotic was investigated by weight loss (WL), electrochemical frequency modulation (EFM), electrochemical impedance spectroscopy (EIS) and potentiodynamic ...
Mona Abdelfatah, Salah Mohmed Rashwan
doaj   +1 more source

MOISTURE ABSORPTION AND FTIR CHARACTERISTIC OF TAPIOCA STARCH BIOCOMPOSITE REINFORCED DRAGON FRUIT ROOT FIBER (HYLOCEREUS POLYRHIZUS)

Spektra: Jurnal Fisika dan Aplikasinya, 2018
Abstrak Biokomposit dari pati tapioka dan serat akar buah naga telah berhasil dibuat. Sebanyak 0, 2, 4, dan 6% serat (dari berat kering pati) digunakan sebagai penguat biokomposit. Fabrikasi biokomposit menggunakan metode solution casting.
Mochamad Asrofi, Hairul Abral, Anwar Kasim, Adjar Pratoto, Melbi Mahardika   +4 more
doaj   +1 more source

EGG SHELL AS NATURAL SORBENT TO REMOVE CADMIUM IONS FROM SIMULATED WASTEWATER [PDF]

Journal of Engineering and Sustainable Development, 2019
This search offers the ability of use a natural waste as a biosorbent such as egg shells and their efficiency on heavy metals adsorption, like cadmium. Maximum removal was observed at pH 6.0. The efficiency of egg shells for the removal of cadmium was 89.
Lahieb Faisal Muhaisen, Farah Faisal Muhaisen , Zainab Munaf Abdulkareem   +2 more
doaj   +1 more source

Synthesis and characterization of Co(II), Ni(II), Cu(II) and Zn(II) complexes with 3-salicylidenehydrazono-2-indolinone [PDF]

Journal of the Serbian Chemical Society, 2003
Complexes of Co(II), Ni(II), Cu(II) and Zn(II) with 3-salicylidenehydrazono-2-indolinone were prepared. Their structure was established to be [MLCl].Cl by using elemental analysis and molar conductivity, as well as AA, FTIR, UV/VIS and 1H-NMR ...
Konstantinović Sandra S., Radovanović Blaga C., Cakić Živojin, Vasić Vesna M.   +3 more
doaj   +1 more source

FTIR: A novel method for identifying fish gut contents [PDF]

تغذیه آبزیان
Introduction: If the composition of ingested food changes along the digestive tract in such a way that fish feces reflect the initial composition of the consumed food, there would be no need to sacrifice fish to identify the contents of their gut ...
Abolfazl Aminimehr, Mohammad Amini Chermahini, Laleh Moosavi Dehmoordi   +2 more
doaj   +1 more source

Organosolvent Extraction Coupled with Steam Explosion Pretreatment of Wild Sugarcane and Optimization of Cellulase Activity using Response Surface Methodology

Journal of Pure and Applied Microbiology, 2021
The present study focuses on the effect of the organosolvent extraction with steam explosion pretreatment and optimization of cellulase activity using the response surface methodology for the production of bioethanol.
S. Aruna, Sriramulu Gobikrishnan
doaj   +1 more source

FTIR and HPLC-Based Metabolomics of Yacon Leaves Extracts (Smallanthus sonchifolius [Poepp & Endl.] H. Robinson) from Two Locations in Indonesia

Indonesian Journal of Chemistry, 2020
Smallanthus sonchifolius [Poepp. & Endl.] H. Robinson (Asteraceae) also known as Yacon or insulin plant, is traditionally used for treating diabetes.
Zulhelmi Aziz, Nancy Dewi Yuliana, Partomuan Simanjuntak, Mohamad Rafi, Syamsudin Abdillah   +4 more
doaj   +1 more source

Degree of Chitosan Deacetylation: Potential of Experimental Equations Application [PDF]

Kemija u Industriji
In recent years, research has extensively explored the broad industrial potential of chitosan, with the degree of deacetylation being a pivotal chemical attribute that significantly influences its physical and biological properties crucial for its ...
Nadežda Seratlić, Nevena Hromiš, Senka Popović, Danijela Šuput, Jovana Pantić, Ivana Čabarkapa   +5 more
doaj   +1 more source