Materials Literature
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Serat eceng gondok saat ini banyak digunakan dalam industri-industri mebel dan kerajinan rumah tangga (UKM) karena selain mudah didapat, murah, tidak membahayakan kesehatan, dapat mengurangi polusi lingkungan (biodegradability) sehingga nantinya dengan pemanfaatan sebagai serat penguat komposit mampu mengatasi permasa…
The in situ electrocrystallization of zinc tetracyanoquinodimethane (TCNQ) has been explored using synchrotron radiation-grazing incidence X-ray diffraction (SR-GIXRD) at potentials in the region of the cyclic voltammetric peak where reduction of TCNQ to TCNQ– occurs at a Pt electrode in acetonitrile (0.1 M [NBu4][PF6…
A photosensitizer exhibition of ruthenium(II) complexes featuring click-derived tridentate cyclometalating ligands is reported. Systematic structural manipulations and detailed electrochemical, photophysical, and computational investigations have been performed, allowing a deeper understanding and revealing great pote…
Recently, in the countries with the developed microelectronics a significant growth of interest to various aspects of fianite application in semiconductor technologies has been observed. Fianite is an extremely promising multipurpose material for new optoelectronics technologies due to its unique combination of physic…
Cellulose membranes have been used in the medical field as wound dressing and artificial skin material for the treatment of skin wounds such as burns, ulcers, and grafts and as an adjuvant in dermal abrasions (Cheng et al., 2009; Fontana et al., 1990). Using liposomes as drug-delivery strategies in connection with a c…
of research and consultancy results on strategic considerations of nuclear power. His aim is that this will contribute to the desired change of implementation of strategic evaluation in the area of energy production and elsewhere.
The phosphazenes have distinguished ancestry. The reaction between phosphorus pentachloride and ammonia was described by Rose in 1834[1], and in an editorial comment, Liebig [13] reported work carried out in conjunction with Wohler. The major reaction product was phospham and a small quantity of a stable crystalline c…
Since old time, natural air drying technique had been utilized in several areas of the world before artificial drying methods for wood were developed. In Hokkaido, Japan, a research on the modified type, in place of the natural air dryer, was developed as a practical technology. For instance, the solar dryers of green…
It is now well established that controlled delocalization in π-conjugated chains can lead to unique optoelectronic properties in polymer materials (MacDiarmid, 2001). While still being in a relatively early developmental stage, conjugated-polymer systems with a myriad of optoelectronic properties can now be synthesize…
3,7-Didocecyl-2,6-di(5-phenylthiophen-2-yl)benzo[1,2-b:3,4-b′]dithiophene (1) and its 4,8-didodecyl isomer 2 were prepared as the representative soluble X- and cross-shaped π-conjugated oligomer systems to provide insight into the effect of the substitution pattern of the alkyl side chain on electronic properties. The…
Dalam penelitian ini akan dilakukan uji tarik, uji komposisi, uji puntir dan uji lentur putar untuk material baja karbon ST 60. Tujuannya untuk mengetahui apakah baja ST 60 memenuhi persyaratan BKI sebagai bahan poros baling-baling kapal ditinjau dari aspek kekuatan tarik dan komposisi materialnya. Sedangkan tujuan uj…
Medicinal plants provide a vast array of raw materials for primary health care in Africa and other countries of the world. The World Health Organization (W.H.O) estimates that about 80% of Africans living in the continent have resort to traditional medical practitioners and the use of traditional medicine for the trea…
Laser welding is an important joining technique for magnesium alloys with their increasing applications in aerospace, aircraft, automotive, electronics and other industries. In this document the research and progress in laser welding of magnesium alloys are critically reviewed from different perspectives. Some importa…
A modal analysis of flow-acoustic wave propagation through slit array metamaterials is presented. It is demonstrated that the transmission-coefficient change versus flow speed is a sensitive function of frequency. Our results further confirm that transmission resonance positions and resonance widths change significant…
Titanium diboride (TiB2) and titanium carbonitride (Ti(C,N)) coatings are widely used as reinforcing materials in applications demanding high corrosion and wear resistance. In this paper, plain carbon steel has been surface alloyed with TiB2 by plasma transferred arc (PTA) technique using two different gas atmospheres…
Non-ionizing radiation is electromagnetic radiation that does not have sufficient energy to remove the electrons from the outer shell of the atom. Types of non-ionizing radiation are: ultra violet (U/V), Visible light, infrared (IR), microwave (radio and television), and extremely low frequency (ELF, or as they called…
Thermal power plants are major sources of air pollutants. Three major air pollutants emitted from thermal power plant are Suspended Particulate Matter (SPM), Sulphur di oxide -(SO2), Sulphur tri oxide (SO3), and (NO2, NO3). The amount of pollutants emitted from any power plant depends upon the type of the fuel used, b…
Recent Advances in Plasticizers 20 where X and Y are often proline and hydroxyproline. Each collagen type varies in the length of the helix and the nature and size of the non-helical portions
A new apparatus for nanosecond-time-resolved Brewster angle reflectometry is described that can be used to measure transient angle-resolved reflectivity changes in thin films and monolayers in a single pulsed laser shot. In order to achieve this, a cylindrical lens is placed in the probe beam path replacing the goniom…
A sequential failure of API 5L X42 (NPS8) carbon steel and SDR 17 medium density polyethylene (MDPE) pipes towards the high pressure water pipe was studied. Pipe’s failed specimen was physically examined and experimental testing was conducted by using high speed water jetting facility towards a similar NPS8 pipe speci…