Aim: Dental plaque has a harmful influence on periodontal tissue. When a porcelain restoration is fabricated and refinishing of the glazed surface is inevitable, the increase in surface roughness facilitates the adhesion of plaque and its components. The aim of this in vitro study was to evaluate the effect of surface roughness of glazed or polishe

A band pass tunable RF filter is proposed by using Radio Frequency (RF) Microelectro Mechanical Systems (MEMS). The tunability is obtained by using capacitive MEMS switches that can be tuned within the bandwidth of 3.6 GHz to 4.4 GHz. The performance of the filter depends on geometry and location and types of the MEMS switches. Optimization has bee

Problem statement: The design of multi-valued quaternary based Analog-to-Digital Converter (ADC) circuit was presented. The ADC generates multi-valued logic outputs rather than the conventional binary output system to overall reduction in circuit complexity and size. Approach: Design was implemented using pipeline ADC architecture and was simulated

A planar reconfigurable microstrip antenna is proposed by using RF MEMS switches. The proposed antenna structure comprises a center patch antenna known as driven patch and two adjacent microstrip patches defined as wing patches. Cantilever MEMS bridges are introduced to provide to operate antenna either 21.73 GHz or 23.6 GHz depending on the positi

In this paper we present the design of a novel Patch Antenna with Switchable V-Slot (PASVS) that resonates at two di®erent frequencies. The antenna operates at the lower frequency when the switch is OFF and at the higher frequency when the switch is ON. This antenna is designed for special applications which need small frequency ratio. The di®ere

Sewage is the largest contributor of organic pollution to water resources as well as to surrounding environments all over the world. In Malaysia, its contribution is top listed (64.4%), followed by animal husbandry wastes (32.6%), agro-based (1.7%) and industrial effluent (1.3%) in terms of the BOD load (Alam et al. 2009). Approximately 4.2 million

Di pasaran, kita boleh dapati dengan banyak sekali buku-buku yang menceritakan tentang "Keajaiban Sains Dalam Al-Quran". Namun amat jarang dan sukar kita temui buku-buku yang mendedahkan tentang "Keajaiban Sains Dalam Hadis." Kelahiran Rasulullah s.a.w yang membawa rahmat dan sinar cahaya ke seluruh alam bukan sahaja untuk mengeluar

A planar reconfigurable microstrip antenna is proposed by using RF MEMS switches. The proposed antenna structure comprises a center patch antenna known as driven patch and two adjacent microstrip patches defined as wing patches. Cantilever MEMS bridges are introduced to provide to operate antenna either 21.73 GHz or 23.6 GHz depending on the positi

Objectives: To evaluate the efficacy of using digital and imaging technology in the assessment of students in the simulation operative technique. Methods: 47 students in the kulliyyah of dentistry/International Islamic University Malaysia was examined for Class II cavity preparation for amalgam on plastic tooth number 46. The evaluation was done by

Problem statement: In this study Microelectrical Mechanical System (MEMS) switches were proposed to design a reconfigurable/multi-band antenna to replaced PIN diode switches or semiconductor switches due to lower insertion losses, good isolation, much lower intermodulation distortion, and lower power consumption. The antenna is able to operate at v