Search Results - subject:"Modification"

Positive youth development : a new school curriculum to tackle adolescent developmental issues

Ma, Hing Keung (contributor) - 2012

Persistent link: https://www.econbiz.de/10009662386

Loyer de renouvellement. Déplafonnement. Modification notable des facteurs locaux de commercialité. Incidence favorable au commerce considéré

Monéger, Joël - Université Paris-Dauphine (Paris IX) - 2012

Persistent link: https://www.econbiz.de/10011166333

SURFACE PROPERTIES OF THE IN SITU FORMED CERAMICS REINFORCED COMPOSITE COATINGS ON TI-3AL-2V ALLOYS

LIU, PENG; GUO, WEI; HU, DAKUI; LUO, HUI; ZHANG, YUANBIN - In: Surface Review and Letters (SRL) 19 (2012) 02, pp. 1250009-1

The synthesis of hard composite coating on titanium alloy by laser cladding of Al/Fe/Ni+C/Si3N4 pre-placed powders has been investigated in detail. SEM result indicated that a composite coating with metallurgical joint to the substrate was formed. XRD result indicated that the composite coating...

Persistent link: https://www.econbiz.de/10010883155

Comment modifier le prix lorsqu'un élément nouveau est découvert après la cession des titres?

Schiller, Sophie - Université Paris-Dauphine (Paris IX) - 2012

Persistent link: https://www.econbiz.de/10011073192

Fabrication and characterization of superhydrophobic polypropylene hollow fiber membranes for carbon dioxide absorption

Lv, Yuexia; Yu, Xinhai; Jia, Jingjing; Tu, Shan-Tung; … - In: Applied Energy 90 (2012) 1, pp. 167-174

modification process efficiency, the mixture of cyclohexanone and MEK system was considered as the best non-solvent. The contact … angle increased dramatically from 122° to 158° by the modification, thereby obtaining superhydrophobic membrane surface. The … membrane–absorbent interaction results demonstrated that the modification treatment effectively enhanced the stability and …

Persistent link: https://www.econbiz.de/10011041059

Substance use, generation and time in the United States: The modifying role of gender for immigrant urban adolescents

Almeida, Joanna; Johnson, Renee M.; Matsumoto, Atsushi; … - In: Social Science & Medicine 75 (2012) 12, pp. 2069-2075

Although immigrant youth have lower rates of substance use than US born youth, whether substance use varies by generation and time in the US is unclear. This study examines adolescent alcohol, tobacco and marijuana use by generation/time in US (i.e., first generation, in US ≤4 years; first...

Persistent link: https://www.econbiz.de/10011042609

Case Studies of Water Shut-Off Treatments in Oil and Gas Production Wells

Sławomir, Falkowicz; Renata, Cicha-Szot; Stanisław, Dubiel - In: Gospodarka Surowcami Mineralnymi / Mineral Resources … 28 (2012) 1, pp. 125-136

-off treatments in oil and gas formation was presented. Based on experimental results efficiency of relative permeability modification ….Experimental results indicated that trend changes of permeability modification strongly depends on the fluid used in the RPM treatment …. Moreover, efficiency of permeability modification to brine depends on flow rate of brine through the core - the lower brine …

Persistent link: https://www.econbiz.de/10011008895

High-performance hybrid solar cells employing metal-free organic dye modified TiO2 as photoelectrode

Zhang, Wei; Zhu, Rui; Liu, Bin; Ramakrishna, Seeram - In: Applied Energy 90 (2012) 1, pp. 305-308

High-performance TiO2–polythiophene hybrid solar cells are reported. Metal-free organic dye (D102) is employed to modify the TiO2/polythiophene interface. Results indicate that interfacial engineering and dye engineering are crucial for device performance.

Persistent link: https://www.econbiz.de/10010576254

Development of adsorption air-conditioning technology using modified activated carbon – A review

Yeo, T.H.C.; Tan, I.A.W.; Abdullah, M.O. - In: Renewable and Sustainable Energy Reviews 16 (2012) 5, pp. 3355-3363

conventional absorption and vapour compression technologies. Various modification methods on activated carbon are thus discussed in …

Persistent link: https://www.econbiz.de/10010577198

Using qualitative methodologies to understand behaviour change

Logie‐MacIver, Liz; Piacentini, Maria; Eadie, Douglas - In: Qualitative Market Research: An International Journal 15 (2012) 1, pp. 70-86

Purpose – The purpose of this paper is to explore the use of qualitative approaches to add depth and insight to understanding concerning the issues involved when consumers try to make changes in their behaviour. The context of this study is people trying to make and sustain changes to their...

Persistent link: https://www.econbiz.de/10014987286