10 articles in this issue
Rina Utami, Yanti Yulianti
The research of desain of super critical water reactor (SCWR) thorium fuel has been done. The objective of this research is to obtain the design with high thermal power and inherent safety features. The analyzed parameters were:corefuelenrichment,reactors... see more
Purwatiningsih Purwatiningsih, I Nyoman Adi Winata
The different fraction extracts (viz methanol, dichlorometana, n-hexane, ethylacetate, and aceton) obtained from leaves of Aglaia ganggo Miq were investigated for antifeedant activity against Spodoptera litura. All extract fractions sh... see more
Menik Ariani, Zaki Su’ud, Fiber Monado
This article presents the conceptual design of gas-cooled fast reactor (helium), the small size of the long-lived 600 MWth. Early stages of the design is to determine the geometry of the terrace, the value of the volume fraction and the mass fraction of f... see more
Tri Mulyono, Asnawati Asnawati, Umarul Faruq
The aims of this work were to research: design of the multi syringe pumps, volume consistency of ISAB and the correlation of the PWM to the flow rate of carrier. Pump speed was set by PWM. Controlling the pump speed and time were performed with a computer... see more
La Ode Ahmad Nur Ramadhan, Amiruddin Amiruddin
Study on photodegradation of diazinon pesticide in suspension of TiO2 under ultra violet (UV) illumination was conducted. The aims of study are to determine the effective mass of titanium dioxide (TiO2), the effect of catalyst in initial concentration, th... see more
Endhah Purwandari, Toto Winata
Solar cell efficiency as a function of the energy gap has been simulated by calculating the output current characteristics of the devices based on the distribution of charge carriers, obtained from the solution of the Poisson equation and the Continuity e... see more
Dwi Indarti, I Nyoman Adi Winata, Heny Yunita Novianti
This study purposed to determine the effect of MSG on the character of cellulose acetate membranes. This membrane preparation using phase inversion technique. The results showed that the higher the concentration of MSG, which is the character of membrane ... see more
Bambang Piluharto, Achmad Sjaifullah, Istiqomah Rahmawati, Maryanto Maryanto
In the separation process of solution containing protein, interaction between membrane surface and protein can cause fouling irreversibely. So, efficiency of filtration process will decline. In this research, to improve the effeciency of filtration was do... see more
Asnawati Asnawati, Dwi Indarti, Tri Mulyono, Gembong Kesuma B
The study reported the development of glucose ampherometric biosensor based on immobilization of glucose oxidase on cellulose acetate membrane with ferrocene as a mediator. Biosensor was designed with model Fc, GOx, CP / GOx / CA where ferrocene and the e... see more
Yeni M. Muflihah, Buchari Buchari
Preliminary study of preparation reference material for trigonelline determination in green coffee beans have been performed by HPTLC method. Physical characterization performed on green coffee beans include the determination of moisture content, ash cont... see more