rapid anodic growth of tio2 and wo3 nanotubes in fluoride free electrolytes

... Rapid anodic growth of TiO 2 and WO 3 nanotubes in fluoride free electrolytes R. Hahn, J.M. Macak, P. Schmuki * Department of Materials Science, WW4-LKO, University of Erlangen-Nuremberg, ... length of 30 lm, and a wall thickness of about 10 nm. Fig. 1c and d shows SEM images of nanoporous WO 3 prepared in ClO À 4 and Cl À containing electrolytes. In this...

Ngày tải lên: 20/03/2014, 13:06

... by increasing the adsorption and desorption rates [11]. The grain, neck and grain boundary features also in uences the gas sensing properties. It has been shown that the smaller grain size increases ... MoO 3 ±WO 3 surprisingly did not respond to CO and was selective only to NO 2 , i.e. having a response of 2.3 and a time response of 60 s to 1 ppm of NO 2 as shown in Fig. 5....

Ngày tải lên: 19/03/2014, 16:47

... μM and irradiation time of 30 min or the concentration of 5 μM and irradiation time of 60 min. Involvement of reactive oxygen species (ROS) in the activity was also examined by specific inhibitors ... defects in the morphology of the virions (destruction of the outer membrane) leading to the loss of infectious properties in the virus. Based on comparison of prote...

Ngày tải lên: 17/02/2014, 05:20

... fields of interest and growth in the upcoming century is that of photocatalysis. From October 15-17, 2003, the International Photocatalysis Technology Convention and Exhibition was held in Tokyo, ... [7]. In 1972, Fujishima and Honda discovered the photocatalytic splitting of water on TiO 2 electrodes [8]. Since then, research efforts in understanding the fundamenta...

Ngày tải lên: 20/03/2014, 13:06

... show the numbers of male and female workers in 1975 and 1995 in several employment sectors of the republic of Freedonia. Write a report for a university teacher describing the information shown. You ... describing the information shown. You should write at least 150 words. You should spend about 20 minutes on this task.

Ngày tải lên: 04/10/2012, 10:02

... competencies, and standards for referrals and sharing of clinical informa- tion that may improve current and future cross-discipli- nary coordination of care for chest pain patients. Clinical and health ... chiropractic educational institution offering a training program coor- dinated by a medical physician. However, this is in its infancy and much needs to be worked out. This...

Ngày tải lên: 25/10/2012, 10:06

... Sales, Administration and Human Resources, IT, and Finance and Accounting. Now, HKT mainly does business in two fields including implementation of IT and modern management models in business and ... of knowledge and insufficient training, and accordingly provide methods in the form of workshops and seminars; developing positive interactions between workers, to...

Ngày tải lên: 24/07/2013, 15:36

... process of heat and mass transfer in the space containing eggs in a non-linear differential model . The model allowed to determine basic parameters of an incubators that are used for analyzing and ... of eggs in the incubator are very complicated. However, it can be expressed in terms of mathematical equations by modeling of the process. The present paper introduces a...

Ngày tải lên: 28/08/2013, 08:31

... University of Science and Technology. She received her B.S. in Industrial Engineering from North Carolina State University, Master o f Engineering in Mechanical Engineering and Master of Business Administration ... Assistant Professor with the Department of Engineering Management and Systems Engineering, Missouri University of Science and Technology. Prior to joining Mis...

Ngày tải lên: 05/09/2013, 15:28