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Volume 04 Issue 09 (September 2017)

S.No. Title & Authors Page No View

Title : Physical and Mechanical Properties of Particleboard Utilizing Pili Nut (Canarium Ovatum) Shells

Authors : Ariel B. Morales

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Abstract :

This study aims to make a 200 mm x 200 mm particleboard with nine millimeter thickness using Crushed Pili Nut Shells (CPNS) and sawdust as raw materials with the ratios (CPNS: sawdust) 100:0, 75:25, and 50:50 by weight and determine their physical and mechanical properties. Also, the results were compared to the standard properties of commercial particleboard set classified by the Philippine Standard Association (PHILSA). The raw materials were mixed with High-Density Polyethylene (HDPE) as an adhesive. All particleboards have passed and exceeded the PHILSA standard for particle board where 100:0 mixtures with density of 1204.09 kg/m3 has the highest MOR of 110 MPa and lowest thickness swelling of 1.11%. Therefore, particleboard made from Pili nut shells has an outstanding property compared to commercial particleboards that depends on its application.


Title : Improved Incentive-Based Electronic Payment Scheme for Digital Content

Authors : Baoyuan Kang, Dongyang Shao, Jiaqiang Wang

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Abstract :

In recent years, more and more people have been purchasing digital contents through e-commerce. Under this circumstance, anonymous and fair electronic payment schemes are important issue. Recently, Lin et al. proposed an incentive-based electronic payment scheme for digital content transactions over the Internet. They claimed that their scheme can ensure the properties of fair exchange and customer anonymity and encourage authors to create digital contents by apportioning sales revenues immediately to payees when customers complete payments. But in this paper, we show that their scheme is not fair. In their scheme malicious customers may successfully get the digital contents, but merchants and the authors of digital content cannot timely get sale revenue. Furthermore, based on Lin et al.’s scheme, this paper proposes an improved scheme. In improved scheme neither the customer no the merchant has priority. So, the improved is a fair scheme for incentive-based electronic payment of digital content transactions over the Internet.