Results 31 to 40 of about 5,203,807 (351)

Sensemaking: a complexity perspective

open access: yesEcology and Society, 2015
Our intent was to provide a methodological overview of the primary data collection process in support of the other articles in this special issue.
Timothy Lynam, Chris Fletcher
doaj   +1 more source

Christ-centred ethical behaviour and ecological crisis: What resources do the concepts of order in creation and eschatological hope offer?

open access: yesKoers : Bulletin for Christian Scholarship, 2013
The ecological crisis, as well as a limited ethical response, forces a reflection on the transformative potential of Christian ethics on an idolatrous society largely shaped by a dominant economic culture.
Martinus P. de Wit
doaj   +1 more source

Biomass production from microalgae Chlorella grown in sewage, kitchen wastewater using industrial CO2 emissions: Comparative study

open access: yesCarbon Resources Conversion, 2019
Microalgae cultivation using organic wastewater like kitchen wastewater (KWW) and sewage wastewater (SWW) are recommended for wastewater treatment along with simultaneous biomass production which is a cost effective strategy.
P. Kiran Kumar   +5 more
doaj   +1 more source

Hydrogen production by PEM water electrolysis – A review

open access: yesMaterials Science for Energy Technologies, 2019
Hydrogen is the most efficient energy carrier. Hydrogen can be obtained from different sources of raw materials including water. Among many hydrogen production methods, eco-friendly and high purity of hydrogen can be obtained by water electrolysis ...
S. Shiva Kumar, V. Himabindu
doaj   +1 more source

Options for Securing RTP Sessions [PDF]

open access: yes, 2014
The Real-time Transport Protocol (RTP) is used in a large number of different application domains and environments. This heterogeneity implies that different security mechanisms are needed to provide services such as confidentiality ...
Perkins, C., Westerlund, M.
core   +2 more sources

OPTIONS

open access: yesÖneri Dergisi, 2020
Opsiyonlar geleceğe yönelik hak içeren finansal sözleşmeler olup, genel olarak satın alma (calls) ve satma (puts) olarak ikiye ayrılırlar. Satın alma (call option), satma (put option) olarak adlandırılır.Opsiyon sahibi, belli bir prim karşılığında satın aldığı opsiyon sözleşmesini, sözleşmede belirtilen şiire içinde ya da sonunda kullanma hakkına ...
openaire   +4 more sources

Internalizing CO2-Equivalent Emissions Issued From Agricultural Activities

open access: yesFrontiers in Climate, 2021
The aim of this article is to consider the market-based instruments, such as the ETS system, for the internalization of the CO2-equivalent emissions issued from the agricultural sector.
Arnaud Zlatko Dragicevic
doaj   +1 more source

An analysis between implied and realised volatility in the Greek Derivatives Market [PDF]

open access: yes, 2009
In this article, we examine the relationship between implied and realised volatility in the Greek derivative market. We examine the differences between realised volatility and implied volatility of call and put options for at-the-money index options with
Chance, D.   +4 more
core   +1 more source

Phycoremediation of sewage wastewater and industrial flue gases for biomass generation from microalgae

open access: yesSouth African Journal of Chemical Engineering, 2018
Phycoremediation or microalgae cultivation using sewage with industrial flue gases is a promising concept for integrated nutrient removal and sequestration respectively with subsequent biomass generation in order to control environmental pollution.
Panga Kiran Kumar   +5 more
doaj   +1 more source

STATE AND PROSPECTS OF THE DERIVATIVES WORLD MARKET DEVELOPMENT

open access: yesThree Seas Economic Journal, 2021
The purpose of the paper is to determine the current state of the global derivatives market in the context of structural and dynamic processes and to substantiate the prospects for its further development, given the existing global challenges ...
Marharyta Krasnova
doaj   +1 more source

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