Results 31 to 40 of about 364,256 (280)

Gap formation and dynamics after long‐term steady state in an old‐growth Picea abies stand in Norway: Above‐ and belowground interactions

open access: yesEcology and Evolution, 2018
Stand dynamics and the gap initiation prior to gap formation are not well‐understood because of its long‐term nature and the scarcity of late‐successional stands.
Per Holm Nygaard   +2 more
doaj   +1 more source

Pengaruh Kation Fe2+ terhadap Proses Elektrokimiawi Magnesium pada Model Larutan Pekatan Air Laut (Bittern)

open access: yesJurnal Kimia Sains dan Aplikasi, 2010
Proses elektrokimiawi magnesium menghasilkan Mg(OH)2 telah dilakukan. Magnesium banyak digunakan dalam bidang industri. Umumnya magnesium diperoleh melalui Proses Dow dari air laut maupun proses elektrokimiawi bittern.
Khairul Bariyah   +2 more
doaj   +1 more source

Penentuan Kandungan Logam Magnetik Komponen Penyusun Abu Layang Batubara

open access: yesJurnal Kimia Sains dan Aplikasi, 2011
Telah dilakukan penelitian penentuan kandungan logam magnetik penyusun abu layang batubara. Abu layang merupakan material berupa serbuk halus yang dihasilkan dari pembakaran batubara dengan kadar sekitar 80-90% dari total abu yang dihasilkan.
Alfan Hidayatulloh   +2 more
doaj   +1 more source

Circulation of nutrients through bio-based fertilizer products: perspectives from farmers, suppliers, and civil society

open access: yesFrontiers in Sustainable Food Systems, 2023
Closing nutrient cycles by bio-based fertilizer products (BFPs) can improve the environmental sustainability of food systems and facilitate a more circular economy.
Valborg Kvakkestad   +4 more
doaj   +1 more source

PEMANFAATAN KARBON AKTIF DARI LIMBAH KULIT LADA SEBAGAI ADSORBEN LOGAM BERAT BESI PADA PENGOLAHAN TAMBANG TIMAH (KULONG) DI PROVINSI KEPULAUAN BANGKA BELITUNG

open access: yesJambura Physics Journal, 2020
Sintesis karbon aktif yang berasal dari limbah kulit lada sebagai material pengolahan air pasca tambang timah (kulong) di Propinsi Kepulauan Bangka Belitung telah dilakukan. Karbon aktif dipreparasi secara kimia menggunakan aktivator KOH 3M dengan nisbah
Dewi Marina   +3 more
doaj   +1 more source

Design and Implementation Adaptive Antenna System in WiMAX (IEEE 802.16d) [PDF]

open access: yesEngineering and Technology Journal, 2015
We live in a communication technology continuing to evolve, we generate and process information at a rate never before recorded in the history of mankind.
Izz kadhum Abboud
doaj   +1 more source

Microbial and Heavy Metal Analysis of Irrigation Water and Vegetables Grown and Consumed in Abakaliki Metropolis

open access: yesJournal of Pure and Applied Microbiology, 2017
In this research, the Heavy metal and Microbial content of vegetables and its irrigation water in Abakaliki were studied. The samples were collected from Onuebonyi Inyimagu village in Izzi Local Government Area (LGA) and Iyiudele farm located at ...
Fidelis Azi   +6 more
doaj   +1 more source

Meat analogues from a faba bean concentrate can be generated by high moisture extrusion

open access: yesFuture Foods, 2021
The main objective of this study was to investigate the feasibility of production of meat analogues from a faba bean protein concentrate (obtained from dry fractionation) using high-moisture extrusion (HME).
Cátia Saldanha do Carmo   +8 more
doaj   +1 more source

Long-term trends of changes in pine and oak foliar nitrogen metabolism in response to chronic nitrogen amendments at Harvard Forest, MA [PDF]

open access: yes, 2015
We evaluated the long-term (1995–2008) trends in foliar and sapwood metabolism, soil solution chemistry and tree mortality rates in response to chronic nitrogen (N) additions to pine and hardwood stands at the Harvard Forest Long Term Ecological Research
Long, Stephanie   +4 more
core   +2 more sources

Turing Test, Chinese Room Argument, Symbol Grounding Problem. Meanings in Artificial Agents [PDF]

open access: yes, 2012
The Turing Test (TT), the Chinese Room Argument (CRA), and the Symbol Grounding Problem (SGP) are about the question “can machines think?”. We propose to look at that question through the capability for Artificial Agents (AAs) to generate meaningful ...
Menant, Mr Christophe
core  

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