In this study, silica gel was extracted from rice husk ash using a modified acid-leaching process. The then characterized an X-ray Diffractometer (XRD) and Fluorescence (XRF). At different loadings of 0, 0.05 0.10 wt.%, used as cross-linker in the membrane formulation. Fourier Transform Infrared Spectroscopy (FTIR) Scanning Electron Microscopy (SEM) were to characterize membranes, while their p...

Butyl rubber (polyisobutylene-co-isoprene (IIR)) is a very important commercial elastomer with many desirable physical properties, such as low air permeability and broad damping properties. The principal uses of this material are in the tire industry for the preparation of inner tubes and inner liners of passenger car tires. Despite these unique properties, there are some deficiencies associate...

Media spaces were designed to support informal as well as formal communication among remote users. We believe that these systems must be integrated into existing environments in a lightweight way, blending support for collaboration with the user's existing computer environment. This demonstration presents videoSpace, a software toolkit that facilitates the integration of live video into documen...

A new branching blend between two natural quadrics (circular cylinders/cones or spheres) in many positions is proposed. The blend is a ring shaped patch of a PN surface (surface with rational offset) parametrized by rational bivariant functions of degree (6, 3). General theory of PN surfaces is developed using Laguerre geometry and a universal rational parametrization of the Blaschke cylinder. ...

Article history: Received 1 September 2016 Received in revised form 3 November 2017 Accepted 23 November 2017 Available online 2 December 2017

The automatic generation of volumes bounding the intersection of two implicit surfaces (isosurfaces of real functions of 3D point coordinates) or feature based volumes (FBV) is presented. Such FBVs are defined by constructive operations, function normalization and offsetting. By applying various offset operations to the intersection of two surfaces, we can obtain variations in the shape of an F...

Many social researchers measure multidimensional variables, such as rural leadership, by aggregating the scores of individual dimensions / sub-dimensions. These dimensions / sub-dimensions are highly correlated and have inherent problem of multicolinearity which causes attenuation in measurement. In order to overcome this problem, the M-K-J-B-D method developed by a group of researchers, has be...