Results 81 to 90 of about 2,191 (140)

Sintesis Zeolit 4A dari Abu Limbah Sawit dengan Variasi Suhu Pembentukan Gel dan Variasi Volume Natrium Silikat dengan Natrium Aluminat [PDF]

open access: yes, 2016
Zeolite 4A is one of the synthetic zeolite which it is used as ion exchange. This zeolite can be synthesized from silica and alumina. In this research, the palm ash is used as source of silica.
Akbar, F. \u27. (Fajril)   +2 more
core  

Sintesis ZSM-5 dari Fly Ash Sawit dengan Variasi Waktu Sintesis dan Waktu Kalsinasi [PDF]

open access: yes, 2014
Fly ash contains many elements of the high silica used as a source of silica for the synthesis of ZSM-5. ZSM-5 zeolite synthesis is one that is widely used in industry mainly as a catalyst.
Akbar, F. (Fajril)   +2 more
core  

Study On Production Process of Biodiesel from Rubber Seed (Hevea Brasiliensis) by In Situ Transesterification Method with Alkaline Catalyzed [PDF]

open access: yes
Biodiesel is methyl or ethyl fatty acids generated from vegetable oils (edible and non edible) or animal fats. Production of biodiesel from rubber seeds by in situ alkaline catalyzed method from non edible raw materials with a major goal for alternative ...
Hadiyanto, Hadiyanto
core  

Hubungan antara kelekatan orang tua dengan risiko Penyalahgunaan napza pada remaja [PDF]

open access: yes, 2014
Keluarga menjadi lingkungan pertama bagi remaja untuk mendapatkan kelekatan emosional. Remaja yang mendapatkan kelekatan yang aman dari orang tua memiliki kemungkinan rendah menjadi penyalahguna NAPZA.
, Drs. Daradjat Ariyanto, M.Ag.   +2 more
core  

Hubungan Efikasi Diri dengan Nilai Objective Structured Clinical Examination (Osce) pada Mahasiswa Tahun Ketiga Fakultas Kedokteran Universitas Riau [PDF]

open access: yes, 2015
Bandura explains that self-efficacy is a person's belief about ability to perform a task or action to achieve a particular result. Students with high self-efficacy will be able to deal with the OSCE successfully and smoothly. This study is a longitudinal
Asni, E. (Enikarmila)   +2 more
core  

Biodiesel production using CaO impregnated with silica as catalyst [PDF]

open access: yes, 2015
Currently, biodiesel is produced by performing a transesterification reaction with homogeneous base catalysts such as KOH or NaOH dissolved in methanol. This production process can provide high FAME yields under mild conditions.
Lani, Nurul Saadiah, Ngadi, Norzita
core  

Back Cover

open access: yesBulletin of Chemical Reaction Engineering & Catalysis, 2013
Istadi Istadi
doaj   +1 more source

CO2 flux from Javanese mud volcanism. [PDF]

open access: yesJ Geophys Res Solid Earth, 2017
Queißer M   +6 more
europepmc   +1 more source

Author Guidelines (2017)

open access: yesBulletin of Chemical Reaction Engineering & Catalysis, 2017
Istadi Istadi
doaj   +1 more source

Home - About - Disclaimer - Privacy