Search results for "modit"
showing 10 items of 72 documents
CCDC 1429014: Experimental Crystal Structure Determination
2016
Related Article: Balasubramaniam Arul Prakasam, Anssi Peuronen, Manu Lahtinen, Manickavachagam Muruganandham, Erkki Kolehmainen, Esa Haapaniemi, Mika Sillanpää|2017|Polyhedron|123|453|doi:10.1016/j.poly.2016.11.027
Glycolipid Biosurfactant Production from Waste Cooking Oils by Yeast: Review of Substrates, Producers and Products
2021
Biosurfactants are a microbially synthesized alternative to synthetic surfactants, one of the most important bulk chemicals. Some yeast species are proven to be exceptional biosurfactant producers, while others are emerging producers. A set of factors affects the type, amount, and properties of the biosurfactant produced, as well as the environmental impact and costs of biosurfactant’s production. Exploring waste cooking oil as a substrate for biosurfactants’ production serves as an effective cost-cutting strategy, yet it has some limitations. This review explores the existing knowledge on utilizing waste cooking oil as a feedstock to produce glycolipid biosurfactants by yeast. The review f…
Durability of Biodegradable Polymer Nanocomposites
2021
Biodegradable polymers (BP) are often regarded as the materials of the future, which address the rising environmental concerns. The advancement of biorefineries and sustainable technologies has yielded various BP with excellent properties comparable to commodity plastics. Water resistance, high dimensional stability, processability and excellent physicochemical properties limit the reviewed materials to biodegradable polyesters and modified compositions of starch and cellulose, both known for their abundance and relatively low price. The addition of different nanofillers and preparation of polymer nanocomposites can effectively improve BP with controlled functional properties and change the…
L'émergence du référentiel marchand dans la tarification des cliniques privées algériennes : privatisation du financement et changement de paradigme
2021
La convergence tarifaire participe à la privatisation progressive du système de santé algérien amorcée depuis la fin des années 80. Le passage d’une logique de gratuité à une logique marchande pour accéder aux soins représente un bouleversement pour les patients. Afin d’appréhender la formation des tarifs dans le secteur de l’hospitalisation privée, nous avons mixé une enquête qualitative par entretiens semi-directifs auprès de 16 fondateurs de cliniques privées et l’administration d’un questionnaire auprès de 40 médecins permanents de ces cliniques disposant d’une activité à plein temps. Nos résultats montrent que l’absence d’une grille officielle de tarification des prestations de soins a…
Major International Information Flows Across the Safex Wheat Market
2016
We study information flows across four wheat futures markets on four continents: Zhengzhou Commodity Exchange (ZCE), South African Futures Exchange (SAFEX), Euronext/Liffe and Kansas City Board of Trade (KCBT). Three approaches for studying information flows among non-synchronous markets are applied: cointegration techniques, vector autoregressive analysis and multiple regression proposed. Although comparable underlying assets are traded in the four markets, our results indicate that no long-run links exist among them. ZCE is by far the most endogenous market, and Euronext/Liffe is the most exogenous one. Finally, the model points to KCBT as the most influential and sensitive wheat market. …
Structural change in a Ricardian world economy: The role of extensive rent
2019
Abstract We study an implication of the Ricardian theory of differential extensive rent in a free trade regime. To this effect we develop a Ricardian two country two commodity open economy model. We assume that, unlike labour, land is heterogeneous both within and across countries and that the ratio of high to low quality land is different among the trading countries. By means of a numerical example we show that as the process of worldwide capital accumulation (and population growth) proceeds an industrial country may find it convenient to increase its domestic corn production and even reverse completely the pattern of its imports and exports.
China Spillovers: New Evidence from Time-Varying Estimates
2017
The recent ârebalancingâ of Chinaâs economy has raised concerns that the countryâs growth slowdown may have large global implications. This note looks at this issue by analyzing the effects of Chinaâs growth shocks on the output of other countries and how these effects have changed over time. Estimates indicate that the magnitude of Chinaâs spillovers has steadily increased during the last two decades, but remains yet limited. Spillovers are larger in neighboring (Asian) countries and in emerging markets and developing economies. Trade linkages remain main transmission channels. In addition, a negative shock in China has (marginal) positive effects for net commodity importers wh…
Information Flows Across Wheat Futures Markets
2015
We study information flows across four wheat futures markets on four continents: Zhengzhou Commodity Exchange (ZCE), South African Futures Exchange (SAFEX), Euronext/Liffe, and Kansas City Board of Trade (KCBT). Three main approaches have been applied: cointegration techniques, VAR analysis, and a multiple regression model proposed by Peiro, Quesada, and Uriel (1998) to study information flows among non-synchronous markets. Our results indicate that no long-run links exist among the four markets, that ZCE is by far the most endogenous market, and that Euronext/Liffe is the most exogenous one. Furthermore, the model by Peiro et al. (1998) points to KCBT as the most influential as well as the…
Revealing Iberian woodcraft: conserved wooden artefacts from south-east Spain
2010
18 páginas, 6 figuras, 3 tablas.
Data for: Global Factors, Uncertainty, Weather Conditions and Energy Prices: On the drivers of the duration of commodity price cycle phases
2021
Supporting materials Title: "Global Factors, Uncertainty, Weather Conditions and Energy Prices: On the drivers of the duration of commodity price cycle phases" Authors: Luca Agnello, Vítor Castro, Shawkat Hammoudeh, and Ricardo M. Sousa.