Search results for: T. Nugraha

Items from 1 to 10 out of 10 results

article

Interplay role of heat-moisture treatment and Lipid from egg yolk and margarine on functional and pasting properties of banana flour

Y. Cahyana, T. Nugraha, N. Aprilira, K. Ayuningtias, more

Polish Journal of Food and Nutrition Sciences > 2021 > 71 > 1

Egg yolk and margarine are commonly applied in starchy food processing as a lipid source. Both may affect the starch properties to different extent. Therefore, the effects of adding egg yolk (0.3, 1.0, and 1.7 g/100 g of flour) and margarine (1, 3, and 5 g/100 g of flour) to banana flour on the complex formation of gelatinized starch–lipid and on paste functional properties were investigated in this...

article

K-mean cluster analysis for better determining the sweet spot intervals of the unconventional organic-rich shale: a case study

M. N. A. Akbar, S. T. Nugraha

Contemporary Trends in Geoscience > 2018 > Vol. 7, iss. 2 > 200--213

The petrophysical analysis is the crucial task for evaluating the quality of unconventional organic-rich shale and tight gas reservoirs. The presence of organic matter and the ultra-tight with over complex pore system have remained a lack of understanding of how to evaluate the extensive parameters of porosity considering organic content, gas saturation, organic richness, brittleness index, and sweet...

article

Electronic and Optical Properties of Single Wall Carbon Nanotubes

R. Saito, A. R. T. Nugraha, E. H. Hasdeo, N. T. Hung, more

Topics in Current Chemistry > 2017 > 375 > 1 > 1-24

In this article, we overview our recent theoretical works on electronic and optical properties of carbon nanotubes by going from the background to the perspectives. Electronic Raman spectra of metallic carbon nanotubes give a new picture of Raman processes. Thermoelectricity of semiconducting nanotubes gives a general concept of the confinement effect on the thermoelectric power factor. Selective...

article

Examining the shifting patterns of poaching from a long-term law enforcement intervention in Sumatra

Dian Risdianto, Deborah J. Martyr, Rudijanta T. Nugraha, Abishek Harihar, more

Biological Conservation > 2016 > 204 > PB > 306-312

Current levels of illegal wildlife trade for many in-demand species are unsustainable and place them at a heightened risk of extinction. While several Asian protected areas standout for their remarkable successes in tackling poaching, the threat continues nonetheless. We analyse a decade of law enforcement data from a Sumatran protected area to investigate tiger and prey poaching trends, the arrests...

article

Ultraviolet Raman spectroscopy of graphene and transition‐metal dichalcogenides

Riichiro Saito, Ahmad R. T. Nugraha, Eddwi H. Hasdeo, Syahril Siregar, more

physica status solidi (b) > 252 > 11 > 2363 - 2374

Here, we overview Raman spectroscopy of graphene and transition‐metal dichalcogenides as a function of laser excitation energy

E_{L}

, especially in the ultraviolet (UV) region. The double resonance G

^{'}

(or 2D) band of graphene is calculated for the laser energy range up to 7 eV. The intensity of the G

^{'}

band is proportional to

E_{L}^{- 1}

for

E_{L} \leq 5

eV. We also discuss electronic Raman spectra and the asymmetric...

chapter

Integrated FFT accelerator and inline bin-rejection for automotive FMCW radar signal processing

Dian T. Nugraha, Andre Roger, Romain Ygnace

2015 European Microwave Conference (EuMC) > 1586 - 1589

2015 European Microwave Conference (EuMC 2015)

This paper presents a comparative study of two setups of FMCW radar signal processing for automotive applications. In one setup, the signal processing is done on a traditional DSP architecture. In a new proposed setup, the FFT engine/accelerator is integrated. In addition to that, a unit for performing inline rejection of FFT bins is inserted into the processing datapath. It is shown that the proposed...

chapter

Integrated FFT accelerator and inline bin-rejection for automotive FMCW radar signal processing

Dian T. Nugraha, Andre Roger, Romain Ygnace

2015 European Radar Conference (EuRAD) > 564 - 567

2015 European Radar Conference (EuRAD)

article

EDITOR'S CHOICE: Safeguarding Sumatran tigers: evaluating effectiveness of law enforcement patrols and local informant networks

Matthew Linkie, Deborah J. Martyr, Abishek Harihar, Dian Risdianto, more

Journal of Applied Ecology > 52 > 4 > 851 - 860

The United Nations recently listed illegal wildlife trade as a serious crime because of the escalating demand for highly prized species, such as tiger and rhinoceros, and the failure to effectively control the trade. In turn, this places greater urgency on reducing supply by securing source populations of these species. Yet, whether law enforcement strategies designed to mitigate poaching are succeeding...

article

Chirality dependence of the dielectric constant for the excitonic transition energy of single‐wall carbon nanotubes

P. T. Araujo, A. R. T. Nugraha, K. Sato, M. S. Dresselhaus, more

physica status solidi (b) > 247 > 11‐12 > 2847 - 2850

Attention has been devoted recently to understand the physics behind the dielectric screening of the carbon nanotube optical transitions (E_ii), including how a changing environment changes E_ii. It was shown that the environmental screening could be modeled by an effective diameter dependent dielectric constant κ, which takes into account contributions from the single‐wall carbon nanotube (SWNT) itself...

chapter

A research on usage pattern and analysis technique for communication fraud: SIM cloning and surfing

Xerandy, Hendrawan, A.B. Suksmono, T. Nugraha

2006 International Conference on Computing&Informatics > 1 - 6

2006 International Conference on Computing & Informatics. ICOCI 2006

One of the problems which occur in telecommunication is fraud. The terminology of fraud can be defined as the particular actions of deployment any telecommunication services without being charged intention. The loss imposed by this problem is not only suffered by operator, but also can be suffered by the subscriber it self. There are several common types of frauds found on telecommunication. The fraud...

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