Results 31 to 40 of about 14,011 (210)

Counter Current Flow Limitation of Gas‐Liquid Two‐Phase Flow in Nearly Horizontal Pipe

open access: yesScience and Technology of Nuclear Installations, Volume 2012, Issue 1, 2012., 2012
Experimental work about counter current two‐phase flow of air and gas in nearly horizontal pipe has been performed. The work was performed in a 1.1 m long circular transparent acrylic pipe with 50 mm inner diameter, in two inclination angle settings (20° and 10° from horizontal). The smooth liquid and air inlet was used.
Sigit Prayitno   +5 more
wiley   +1 more source

Graficzność (graphicacy) – dzieje koncepcji. Od umiejętności edukacyjnej do kompetencji komunikacyjnej

open access: yesQuart
The article explores the history and evolution of the concept of graphicacy, from its introduction in the 1960s to the present day. Initially, the term referred mainly to the ability to create and interpret maps and diagrams within the context of ...
Emilia Kiecko
doaj   +1 more source

Characterization and Development of Gelatin from Cow Bones: Investigation of the Effect of Solvents Used for Soaking Beef Bones

open access: yesApplied Sciences, 2023
Beef bones contain a gelatin component that can be further extracted. This extraction process requires the right solvent to produce good yield and quality. Gelatin has multifunctional properties, namely biodegradable, biocompatible and non-toxic. This is
Siti Fatimah   +3 more
doaj   +1 more source

Green synthesis methods and characterization of bacterial cellulose/silver nanoparticle composites

open access: yesGreen Processing and Synthesis, 2023
Bacterial cellulose (BC) is a microbiologically produced cellulose with high purity and excellent biocompatibility, allowing it to be used alone or in combination with other materials, including polymers and nanoparticles.
Mutiara Tintin   +3 more
doaj   +1 more source

Ensiklopedia mini : mengenal dunia grafika dan tipografi

open access: yes, 2021
Grafika merupakan teknologi yang memungkinkan hasil pikiran-pikiran tokoh ratusan atau ribuan tahun lalu sampai kepada kita berupa hasil cetakan. Karena jasa grafika juga. maka segala urusan manusia modern dipermudah.
Athea Kania
core  

OPTIMISASI SISTEM USAHA TANI UNTUK PERTANIAN BERKELANJUTAN DI KAWASAN PESISIR BALI UTARA (Optimization of Farming System Towards Sustainable Agriculture in North Coastal Plain Bali)

open access: yesJurnal Manusia dan Lingkungan, 2007
ABSTRAK Pengembangan sistem usaha tani secara intensif pada lahan kurang subur dengan sumberdaya air yang terbatas dapat mengarah pada trade-off antara manfaat ekonomi dalam jangka pendek dan permasalahan lingkungan dalam jangka panjang.
I Wayan Budiasa   +3 more
doaj   +1 more source

Particulate matter emission in agricultural biomass residue combustion [PDF]

open access: yesGlobal Journal of Environmental Science and Management
BACKGROUND AND OBJECTIVES: Agriculture significantly contributes to global economies, yet it concurrently generates waste in the form of crop residues.
M.G. Nugraha   +4 more
doaj   +1 more source

A Catalyst Reusability Study in Palm Fatty Acid Distillate and Glycerol Esterification using Multi-Criteria Decision Analysis and Reaction Kinetics Approach

open access: yesASEAN Journal on Science and Technology for Development, 2020
As a byproduct of the physical refinement of crude palm oil, palm fatty acid distillate or PFAD has a potential to be transformed into monoglycerides by means of irreversible esterification with glycerol over a cation exchange resin catalyst ...
Hanifrahmawan Sudibyo   +3 more
doaj   +1 more source

Grafika Komputer: Pendahuluan [PDF]

open access: yes, 2008
Grafika Komputer ...
Maliki, Irfan
core  

Zielnik osobisty. Ekslibrisy – małe formy graficzne Krzysztofy Lachtary

open access: yesHerbalism
Ekslibris to znak własnościowy książki, na którym umieszcza się imię i nazwisko posiadacza oznaczonego woluminu. Niegdyś bardzo popularny, miał on chronić księgi przed kradzieżą i świadczył o wysokiej kulturze właściciela. W XX w.
Katarzyna Tulik
doaj   +1 more source

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