نتایج جستجو برای: environmental friendly

تعداد نتایج: 407380  

2017
Wei Liu Qiao Wei Song-Qin Huang Sang-Bing Tsai

This study investigates the relationship between corporate environmental responsibility and corporate philanthropy. Using a sample of Chinese listed firms from 2008 to 2013, this paper examines the role of corporate environmental responsibility in corporate philanthropy and the moderating influence of the institutional environment using multilevel analysis. The results show that corporate eco-f...

Journal: :Clinical chemistry and laboratory medicine 2012
Joseph B Lopez Tony Badrick

Laboratories should be aware of the carbon footprint resulting from their activities and take steps to mitigate it as part of their societal responsibilities. Once committed to a mitigation programme, they should announce an environmental policy, secure the support of senior management, initiate documentation, institute a staff training programme, schedule environmental audits and appoint an en...

Journal: :International Journal of Transport Development and Integration 2017

Journal: :iranian journal of catalysis 2014
javad safari zohre zarnegar simin naseh zahra akbari

a simple highly versatile and efficient sonochemical synthesis of 1,2,4,5-tetrasubstituted and 2,4,5-trisubstituted imidazoles is achieved by condensation of 1,2-dicarbonyl compound, aldehyde, ammonium acetate and primary amine using antimony trichloride immobilized on silica gel (sio2-osbcl2) as a catalyst in ethanol at moderate temperature. operational simplicity, practicability and applicabi...

2015
Nevin Aydin

Almost all the countries in the world are considering how they can respond to environmental problems through using eco-friendly processes and products. The supply chain is one of the main drivers causing significant environmental issues such as emissions. As a result, the idea of green supply chains have been consider to address these environmental problems through buyer–supplier alliances. In ...

Montmorillonite modified is an efficient environmental friendly catalyst under one-pot-three-component synthesis of 3,4-dihydropyrimidine-2(1H) ones. The preparation was performed with an aldehyde, 1,3-dicarbonyl compounds, urea or thiourea under solvent-free conditions. In comparison with the other methods of Biginelli reaction, this new method has short reaction time inexpensive catalyst and ...

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