Zobrazeno 1 - 10
of 84
pro vyhledávání: '"T. A. Prayitno"'
Publikováno v:
Jurnal Penelitian Hasil Hutan (Journal of Forest Products Research), Vol 37, Iss 2, Pp 81-92 (2019)
Sifat dan kualitas produk papan serat dipengaruhi oleh kualitas serat bahan, proses kempa dan jumlah serta tipe perekat yang digunakan. Penggunaan perekat asam malat dalam pembuatan papan serat kerapatan sedang (MDF) dari kayu mahang memiliki sifat m
Externí odkaz:
https://doaj.org/article/596c33442c4542268abde289d1769e18
Publikováno v:
Maderas: Ciencia y Tecnología, Vol 23 (2020)
Chemical compounds of wood preservation from plants vary and are not known specific to the species. Chemical analysis of plants is responsible to ensure active compound in natural extracts wood treatment. There are many sources of natural extracts fo
Externí odkaz:
https://doaj.org/article/17bd70622436455fa478c5522ebf1ce9
Publikováno v:
Jurnal Penelitian Hasil Hutan (Journal of Forest Products Research), Vol 30, Iss 4, Pp 243-253 (2012)
Penelitian ini bertujuan untuk mendapatkan data sifat kayu waru gunung sebagai indikatorkualitas kayu didasarkan pada umur dan arah aksial serta pengaruhnya terhadap kualitaspengeringannya. Sifat dasar kayu yang diamati yaitu panjang serat, berat jen
Externí odkaz:
https://doaj.org/article/4d3bdb65bfe74d83910efdeb69a5b139
Publikováno v:
Journal of Physics: Conference Series. 2392:012036
The density functional theory was utilized to investigate the likelihood of a tunable magnetic state in the AA-stacked bilayer zigzag graphene nanoribbon. The non-magnetic ground states at certain thicknesses were found, but then the magnetic ground
Publikováno v:
Journal of Physics: Conference Series. 2392:012021
The electronic properties of FeCl2 monolayer were inspected by using the LDA+U approach and including the spin-orbit interaction. By observing the band dispersion, it was shown that the metallic state changes to the insulating state by increasing the
Publikováno v:
Journal of Physics: Conference Series. 2377:012022
We implemented the density functional theory to study the effect of strain on the optical conductivity in 1T monolayer FeCl2 within the collinear structure. The computational calculation was run based on the Kubo-Greenwood formulation. We showed that
Publikováno v:
Journal of Physics: Conference Series. 2377:012021
The density functional theory was employed to the non-collinear magnetic calculations to consider the impact of spin-orbit interactions and external electric field on the NiBr2 monolayer. It was shown that spin-orbit interaction reduces the energy ga
Autor:
T. B. Prayitno
Publikováno v:
Positron, Vol 1, Iss 1 (2013)
We have discussed the gauge invariance of nonlinear Klein-Gordon equation which describes the interaction of electromagnetic initially proposed by Hermann Weyl. The construction of nonlinear Klein-Gordon itself is formulated by two classical conserva
Externí odkaz:
https://doaj.org/article/a4cbf5ff3d0b467cb4551777a45afb7f
Autor:
T B Prayitno
Publikováno v:
Jurnal Fisika, Vol 1, Iss 2 (2012)
We have computed the solution of a nonrelativistic particle motion in a harmonic oscillator potential of the nonlinear master Schrödinger equation. The equation itself is based on two classical conservation laws, the Hamilton-Jacobi and the contin
Externí odkaz:
https://doaj.org/article/19b321bb5e3241f18f8b70aa5d5335fb
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 912:012012
The fibrovascular bundle (FVB) of the salacca frond is one of the potential raw materials in the development of bio-composite technology. The purpose of this study was to investigate the wettability of FVB using the contact angle method after the alk