Narrow search
Showing 1 - 10 of 398
Cover Image
Preparation and properties of CdS thin films prepared on cold substrate as a window layer for solar cells
Aboul-Enein, S.; Badawi, M.H.; Ghali, M.; Hassan, G. - In: Renewable Energy 14 (1998) 1, pp. 113-118
CdS films, usually, prepared on hot substrate at temperature range from 180 to 220°C. The electrical properties of the …. CdS prepared on cold substrate could be the solution for this problem. Evaporation of CdS film at constant evaporation …
Persistent link: https://www.econbiz.de/10011045515
Cover Image
Solution growth of chalcopyrite compounds single crystal
Nagaoka, Akira; Nose, Yoshitaro; Miyake, Hideto; … - In: Renewable Energy 79 (2015) C, pp. 127-130
I–III–VI2 chalcopyrite compound Cu(Inx, Ga1−x)Se2 (CIGS) single crystal were successfully grown by traveling heater method (THM). The powder X-ray diffraction (XRD) pattern of the CIGS showed preferred orientations of (112), (220) and (312) planes, confirming the chalcopyrite structure. In...
Persistent link: https://www.econbiz.de/10011208636
Cover Image
SURFACE MORPHOLOGY, ETCHING AND MECHANICAL STRENGTH OF A SEMIORGANIC NONLINEAR OPTICAL CRYSTAL THIOUREA CADMIUM-ZINC SULPHATE (CZTS)
MARIAPPAN, L.; DEVASHANKAR, S.; RATHNAKUMARI, M.; … - In: Surface Review and Letters (SRL) 16 (2009) 05, pp. 737-742
Thiourea cadmium-zinc sulphate (CZTS), a semi-organic nonlinear optical material has been grown from solution by slow evaporation technique. Solubility of the synthesized material has been determined for various temperatures using water as solvent. Single crystal X-ray diffraction studies...
Persistent link: https://www.econbiz.de/10008474846
Cover Image
A Water Model for Water and Environmental Management at Mae Moh Mine Area in Thailand
Bhakdisongkhram, T.; Koottatep, S.; Towprayoon, S. - In: Water Resources Management 21 (2007) 9, pp. 1535-1552
will be discharged at 10.76 Mm<Superscript>3</Superscript>, with a pH of 7.3, TDS and SO <Superscript>2–</Superscript …<Superscript>3</Superscript>, with pH of 7.1, TDS and SO <Superscript>2–</Superscript> <Subscript>4</Subscript> concentrations of 610 …
Persistent link: https://www.econbiz.de/10010997471
Cover Image
Relationships Between Conductivity and pH in Channels Exposed to Acid Mine Drainage Processes: Study of a Large Mass of Data Using Classical Statistics
Grande, Jose; Jiménez, Antonio; Borrego, José; Torre, … - In: Water Resources Management 24 (2010) 15, pp. 4579-4587
The lack of statistical interdependence relationships between pH and conductivity in channels exposed to Acid Mine …,000 records of pH and conductivity taken in a typical mining channel in the Iberian Pyrite Belt in SW Spain, the present work …
Persistent link: https://www.econbiz.de/10010998180
Cover Image
Report on water quality survey and pollution in Kurunegala, Sri Lanka
Dissanayake, Priyanka; Clemett, Alexandra; Jayakody, … - International Water Management Institute (IWMI) - 2007
Persistent link: https://www.econbiz.de/10011274100
Cover Image
The Effects of Environmental Factors on the Growth and Competition of Algae
Wang, Jing; Chen, Jiazhang; Meng, Shun-long - In: Asian Agricultural Research 05 (2013) 12
and focused on the influence which included temperature, illumination, nitrogen, phosphorus and pH on the growth and …
Persistent link: https://www.econbiz.de/10011250355
Cover Image
High fluoride and low pH level have been detected in popular flavoured beverages in Malaysia
Rahim, Zubaidah HA; Bakri, Marina M; Zakir, HM; Ahmed, IA; … - Volkswirtschaftliche Fakultät, … - 2014
flavoured beverages or soft drinks can lead to the development of dental fluorosis. In addition, the pH level of beverages is … important. Low pH can cause dental erosion. In this study we explore the fluoride content and pH level of certain popular … in Kuala Lumpur. Fluoride and pH of the beverages were determined using digital fluoride meter and digital pH meter …
Persistent link: https://www.econbiz.de/10011258771
Cover Image
Toxicity and Profitability of Rice Cultivation under Waste- Water Irrigation: The Case of the East Calcutta Wetlands
Mukherjee, Vivekananda; Gupta, Gautam - eSocialSciences - 2011
The paper reports the results of an empirical study on the profitability of rice cultivation in the East Calcutta Wetlands region where untreated sewage water from the city of Calcutta, India, is used for the purpose of irrigation during the winter/summer crop. [Working Paper, No 62 - 11]....
Persistent link: https://www.econbiz.de/10009386044
Cover Image
Acid extractable metal concentrations in solid matrices: a comparison and evaluation of operationally defined extraction procedures and leaching tests
Cappuyns, Valérie; Swennen, Rudy - Faculteit Economie en Bedrijfswetenschappen, … - 2007
extend determined by key-factors such as pH and redox potential. Depending on soil and sediment properties (e.g. acid … initial test conditions (e.g. the pH of the reagent) were equal for all test cases. During cascade- and column leaching tests …, pH (which is initially 4) will mostly increase, but the extent of this pH-increase mainly depends on the acid …
Persistent link: https://www.econbiz.de/10009415927