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All Journal Caraka : Jurnal Ilmu Kebahasaan, Kesastraan, dan Pembelajarannya SAINSTECH: Jurnal Penelitian dan Pengkajian Sains dan Teknologi
Sumiyanto Sumiyanto
Unknown Affiliation
Humanities Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Engineering Languange, Linguistic, Communication & Media Mechanical Engineering

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KLAUSA KONSESIF DALAM KALIMAT MAJEMUK BERTINGKAT BAHASA INDONESIA Sumiyanto Sumiyanto; Mukhlish Mukhlish
CARAKA Vol 2 No 1 (2015)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/caraka.v2i1.1910

Abstract

The purposes of this research are (1) to describe the kinds of conjunctions of conses clauses in complex sentences of Indonesian, (2) to describe the structures of syntactic function of conses clauses in complex sentences of Indonesian, (3) to describe the syntactic categories of predicate filler of conses clauses in complex sentences of Indonesian, (4) to describe the dissipation of syntactic function that happened on conses clauses in complex sentences of Indonesian. This type of research is qualitative. The method used in data preparation is listening through note technique. The data analysis method used is an attributable method that includes direct elements techniques, change technique, expand techniques, and insertion techniques. The result presentation method of data analysis in this research is done with formal and informal methods. The research results of conses clauses in complex sentences of Indonesian are as follows. (1) The kinds of conjunctions on konsesif clauses in complex sentences are meski(pun), walau(pun), kendati(pun), sekalipun, betapapun, biarpun, apa pun, and ke mana pun. (2) The structures of syntactic function of conses clauses in complex sentences of Indonesian are (a) = … Ket                                                ,  (b) = … Ket                      ,                             Konj Kons+S+P(+O)(+Pel)(+Ket)               Konj Kons+S+Ødan (c) = … Ket                                     .   (3) The syntactic categories of predicate filler           Konj Kons+Ø+P(+O)(+Pel)of conses clauses in complex sentences of Indonesian include (a) the conses clauses of the verbal predicate,(b) the conses clauses of the adjectival predicate, (c) the conses clauses of the nominal predicate, (d) the conses clauses of the numeral predicate, and the conses clauses of a prepositional phrase. (4) The dissipation of syntactic functions that happened on conses clauses in complex sentences of Indonesian is subject and predicate dissipation.
Variasi Volume Eceng Gondok Serat Komposit Dalam Peredam Suara Razul Harfi; Gustria Alifia Achmad; Muhammad Firdausi; Sumiyanto Sumiyanto; Ucok Mulyo Sugeng
SAINSTECH: JURNAL PENELITIAN DAN PENGKAJIAN SAINS DAN TEKNOLOGI Vol 33 No 1 (2023): Sainstech: Jurnal Penelitian dan Pengkajian Sains dan Teknologi
Publisher : Institut Sains dan Teknologi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37277/stch.v33i1.1657

Abstract

ABSTRACT The development of industrial technology is very rapid. This often also causes room noise to increase. For that we need a system for sound isolation or absorption using soundproof material. Noise pollution in the form of noise can interfere with and damage hearing and is a serious threat to the quality of environmental comfort. To solve this problem, various types of sound-absorbing materials have been developed. The quality of the sound-absorbing material is indicated by the value of (coefficient of absorption of the material to sound), the greater , the better it is used as a sound absorber. The purpose of this study was to determine the volume variation of the water hyacinth stem fiber composite to the amount of sound attenuation and to determine the bond structure between the matrix components and the composite filler. The research method uses polyester resin R-108, with a catalyst material of 2%, composite fibers arranged in a woven roving from water hyacinth stems in the form of molds with 5% alkaline solution (NaOH) for 2 hours at each volume variation of 20%, 30%. and 40%. Tests Sound attenuation test and SEM test were conducted to determine the bond structure between fiber as a filler and Polyester Resin as a binder (matrix). The result of the research is that the composite material meets the absorbent with a value of greater than 0.2. The maximum Noice Absorption Coefficient (NAC) value is 0.343 at 40% filler volume with a frequency of 140 Hz. The bond matrix looks quite good against the filler. Keywords: Water Hyacinth, NaOH, Resin, Damping, SEM
Co-Authors Gustria Alifia Achmad Muhammad Firdausi Mukhlish Mukhlish Razul Harfi Ucok Mulyo Sugeng