Results 71 to 80 of about 17,382 (244)

Identification and distribution of fluoride in Singkep Island, Lingga Regency, Riau Islands

Journal of Degraded and Mining Lands Management
The consumption of fluoride below the safe limit can result in dental caries, while high concentrations can lead to fluorosis, which can potentially impair the body's systems.
Faizal Razi, Heru Hendrayana, Agung Harijoko   +2 more
doaj   +1 more source

OPTIMASI PROSES PEMBUATAN BRIKET BIOMASSA MENGGUNAKAN METODE TAGUCHI GUNA MEMENUHI KEBUTUHAN BAHAN BAKAR ALTERNATIF YANG RAMAH LINGKUNGAN (Optimization of Biomass Briquettes Production Process Using Taguchi Method)

Jurnal Manusia dan Lingkungan, 2015
ABSTRAK Permasalahan yang dihadapi pembuat dan pengguna briket adalah briket yang dihasilkan kualitasnya rendah ditinjau dari nilai kalor. Tujuan penelitian ini adalah menentukan kualitas briket terbaik dari limbah biomassa dalam memenuhi kebutuhan ...
Musabbikhah Musabbikhah, Harwin Saptoadi, Subarmono Subarmono, Muhammad Arif Wibisono   +3 more
doaj   +1 more source

STUDI KINETIKA REAKSI HETEROGEN α-PINENE MENJADI TERPINEOL DENGAN KATALISATOR ASAM KHLORO ASETAT

Reaktor, 2012
KINETIC STUDY OF HETEROGENEOUS HYDRATION OF α-PINENE TO TERPINEOL USING CHLORO ACETIC ACID AS A CATALYST. Indonesian turpentine contains 65-85% α-pinene, 1% camphene, 1-3% β-pinene, 10-18% 3-carene and limonene 1-3%.
Herti Utami, Arief Budiman, Sutijan Sutijan, Roto Roto, Wahyudi Budi Sediawan   +4 more
doaj   +1 more source

Oriented object detection in satellite images using convolutional neural network based on ResNeXt

ETRI Journal
Most object detection methods use a horizontal bounding box that causes problems between adjacent objects with arbitrary directions, resulting in misaligned detection.
Asep Haryono, Grafika Jati, Wisnu Jatmiko   +2 more
doaj   +1 more source

Studi Kinetika Hidrolisis Tandan Kosong Kelapa Sawit (TKKS) Dengan Proses Fermentasi Padat Menggunakan Jamur Aspergillus niger

Reaktor, 2016
Kinetic of hydrolysis of Oil Palm Empty Fruit Bunch (OPEFB) by Solid State Fermentation using Aspergillus niger is studied. Hydrolysis of OPEFB to simple sugars using Aspergillus niger as raw material for other products is a potential alternative of ...
Fitri Nur Kayati, Siti Syamsiah, Wahyudi Budi Sediawan, Sutijan Sutijan   +3 more
doaj   +1 more source

LAJU PELEPASAN DIAZINON DARI MIKROKAPSUL BERBASIS MELAMIN FORMALDEHID

Jurnal Bahan Alam Terbarukan, 2014
The microcapsules containing diazinon as the core material and melamine formaldehyde as the membrane material have been synthesized by in situ polimerization method.
Noviana Utami Ciptaningtyas Suhartaya, Panut Mulyono, Rochmadi -   +2 more
doaj   +1 more source

Influences of substrate concentration and Fe-loaded zeolite/bentonite on the methane yield in sugarcane vinasse anaerobic digestion

Case Studies in Chemical and Environmental Engineering
Every liter of sugarcane-based bioethanol production discharges 8–20 L of liquid waste called vinasse, which is suitable for biogas production. However, biogas production from vinasse is hindered by the presence of phenolic compounds as inhibitors in ...
Wiratni Budhijanto, Chandra Wahyu Purnomo, Dzikrima Lutfi Fadhila, Lenny Halim, Melly Mellyanawaty, Lisendra Marbelia, Rifki Wahyu Kurnianto, Hezekiel Karunia Putra   +7 more
doaj   +1 more source

Regeneration of geothermal-sludge based sodium silicate catalyst for transesterification of palm oil with methanol

Journal of Mechanical Engineering and Sciences, 2018
Sodium silicate synthesized from geothermal sludge of a geothermal power plant in Indonesia was applied as a solid catalyst to catalyze transesterification reaction of palm oil with methanol.
I. Perdana, Lenny Lenny, I. M. Bendiyasa
doaj   +1 more source

Examination of the Factors Inhibiting CO₂ Adsorption on Coal: A Case Study from Shallow-Depth Low-Rank Coal Seams. [PDF]

ACS Omega, 2023
Tambaria TN, Sugai Y, Anggara F.
europepmc   +1 more source

Pengaruh Kualitas Layanan dan Kualitas Produk terhadap Loyalitas Pelanggan di CV. Grand Grafika

INVESTASI : Inovasi Jurnal Ekonomi dan Akuntansi
Tujuan dari dilakukannya penelitian ini adalah untuk menganalisa kualitas layanan terhadap loyalitas pelanggan di CV. Grand Grafika dan untuk menganalisa kualitas produk terhadap loyalitas pelanggan di CV.
Evellin Kusidy, Weny Weny, Y. Yuliana
semanticscholar   +1 more source