Results 11 to 20 of about 29,522,340 (290)

PRELIMINARY STUDY ON AQUACULLURE OF CTENOPHARYNGODON IDELLA VAL.

open access: yesThe Iraqi Journal of Veterinary Medicine, 2021
The classical method of aquaculture in Iraq employed Cyprinus carpio L. (Common carp) as monoculture or as predominat species togather with grass carp and silver carp. In the present study monoculture of grass carp was performed.
J. M. Al-Jawda   +3 more
doaj   +1 more source

Multinuclear and Dynamic NMR Study of trans-[Pt(Cl)(PHCy2)2(PCy2)], [Pt(Cl)(PHCy2)3][BF4], [Pt(Cl)(PHCy2)3][Cl], trans-[Pt(Cl)(PHCy2)2{P(S)Cy2}], and trans-[Pt(Cl)(PHCy2)2{P(O)Cy2}]. Influence of Intramolecular P=O···H-P and Cl···H-P Interactions on Restricted Rotation about Pt-P Bond. X-ray Structure of trans-[Pt(Cl)(PHCy2)2{P(O)Cy2}]

open access: yes, 2005
Dynamic NMR expts. on trans-[Pt(Cl)(PHCy2)2{P(X)Cy2}]z where X is a lone pair (1, z = 0), H (2, z = +1), S (3, z = 0), or O (4, z = 0) show that the rotation around the P(X)-Pt bond is hindered for all mols. studied, with G.thermod.
NOBILE C. F.   +6 more
core   +2 more sources

Implementasi Maximum Power Point Tracking pada Photovoltaic Berbasis P&O-Fuzzy

open access: yesJurnal Nasional Teknik Elektro dan Teknologi Informasi, 2017
Maximum Power Point Tracking (MPPT) technology is an alternative solution to improve efficiency of solar cells (photovoltaic). The main part of MPPT technology is DC-DC converter circuit and control algorithm.
Machmud Effendy   +2 more
doaj   +1 more source

Maskevarri Ráhppát in Finnmark, northern Norway – is it an earthquake-induced landform complex? [PDF]

open access: yesSolid Earth, 2014
The Sami word ráhppát means rough bouldery/stony terrain with sharp-relief topography in Finnmark, northern Norway. Ráhppát is a common name in the region of the Younger Dryas landforms, yet the origin of ráhppát has remained obscure.
R. Sutinen   +4 more
doaj   +1 more source

A constitui??o e configura??o dos conselhos escolares de escolas p?blicas municipais na regi?o da associa??o dos munic?pios do Oeste de Santa Catarina: democratiza??o da gest?o escolar? [PDF]

open access: yes, 2021
This dissertation is part of the Educational Policy line of the Graduate Program in Education (PPGE), Federal University of Fronteira Sul (UFFS), Chapec? campus (SC).
Pedersetti, Simone
core  

Assessment of immunoglobin G (spike and nucleocapsid protein) response to COVID-19 vaccination in Palestine

open access: yesClinical Epidemiology and Global Health, 2023
Introduction: Many countries have begun immunization programs and established protocols to combat pandemics caused by the SARS-CoV-2 virus. Six months after vaccination, the antibody titers produced by the immunization begin to decline, and individuals ...
Imad Asmar   +6 more
doaj   +1 more source

Design, qualification & manufacture of ITER gravity supports

open access: yesHeliyon, 2020
As one of the key components to support all the magnet coils, the GS faces engineering challenge to its operational safety throughout the design, qualification and manufacturing process as a result of extreme loading condition.
P.Y. Lee   +8 more
doaj   +1 more source

Performance and yield stability of maize hybrids in stress-prone environments in eastern Africa

open access: yesCrop Journal, 2020
Identification and deployment of high-yielding and stress-tolerant maize hybrids adapted to stress-prone agro-ecologies is important for improving the food security and livelihoods of smallholder farmers in eastern Africa.
Wender Santos Rezende   +13 more
doaj   +1 more source

The Effect of Soil Compaction Using Rice Combine Harvesters on its Physical Properties and Bio- Activities [PDF]

open access: yesJournal of Soil Sciences and Agricultural Engineering, 2023
Choosing the proper size of rice combine harvesters and soil moisture content are crucial factors in maintaining the soil from over-compacting and avoiding harmful effects on its physical properties and vital activities.
S. Marey   +4 more
doaj   +1 more source

Farmers’ perceptions of herbicide usage in forest landscape restoration programs in Ghana

open access: yesScientific African, 2021
Although herbicides have extensively been used in forest landscape restoration, its effects and opportunity costs have rarely been studied in Ghana. This study evaluated types of herbicides used, assessed the perceptions of the effects of herbicide usage
B.D. Obiri   +6 more
doaj   +1 more source

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