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SAFAT PEMESINAN 10 JENIS KAYU DARI DAERAH SULAWESI UTARA Sri Rulliaty; osly rachman
Jurnal Penelitian Hasil Hutan Vol 9, No 2 (1991): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.1991.9.2.82-88

Abstract

machining properties of ten wood species from north Sulawesi was studied. the sampie  materiawas tested using ASTM D-1666-64, that was modified to forest products researeh institute report No. 160 (1982). firatiy,the;samples (25 pieoes/species) were dried to an equilibrium moisture content condition (15 or 18 % of MC). the machine-ing properties examined were paining, shaping, boring,turning and the percentage wood defect recorded.                the result shows that, five wood species has fair to very good machining properties i.e.Dysoxylum sp. elmerillia ovalis, lophopetalum javenicum,pangium edule and serianthes minahassae.the remainders has good to very good machine-ing properties, whereas three wood secies i.e. aglaia versteghii.lapiacea subintegerrima and neonaudes sp. better than others.  
SIFAT ANATOMI DAN FISIS KAYU JATI DARI MUNA DAN KENDARI SELATAN Sri Rulliaty; Mody Lempang
Jurnal Penelitian Hasil Hutan Vol 22, No 4 (2004): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2318.103 KB) | DOI: 10.20886/jphh.2004.22.4.231-317

Abstract

 It is traditionally acknowledged that teak wood (Tectona grandis L.f) originated from Muna district had a better quality than that of South-Kendari. The objective of this study was to evaluate the different characteristics of both teaks. Wood samples were collected from bottom,  central and top part of trees from  age class 11 and Ill  (18 and 28 years) extracted from each region.  Samples were then examined for their anatomical and physical characteristics to determine the quality.Results revealed that teak wood samplesfrom Muna had higher dimensions in fiber  diameter,fiber  lumen width and vessel diameter than those of South-Kendari samples.  Such characteristics might bring the samples from Muna to have a higher specific gravity than the South-Kendari samples. It was also clearly shown that the older trees (age class III) possessed better characteristics than those of the young ones (age class II).
PENETAPAN UKURAN SASARAN PADA LIMA UNIT PENGGERGAIIAN KAYU JATI DI JAWA TENGAH & JAWA TIMUR Osly Rachman; Sri Rulliaty
Jurnal Penelitian Hasil Hutan Vol 9, No 4 (1991): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (14643.447 KB) | DOI: 10.20886/jphh.1991.9.4.179--173

Abstract

Three teak wood sawmilis  in Central Java and two in East  Java have been selected for study on target aize determi- nation Using 100  board samples  from   each sawmill. The result was calculated using formulos for determining lumber tar get sizeThe  rasult  indicates that actual size produced by three sawmills were higher than target size,  ranging from 0.32 mm to 2.11  mm. The actual size produced by  two other sawmills was lower than the tagret size, ranging from 0.61  mm to 6.48 mnt 5.48 mm.  This result indicates  that target size determination is important  to improve  sawing  efficiency.
PERBANDINGAN ANATOMI KAYU RENGAS TEMBAGA (GLUTA RENGHAS L.) DENGAN RENGAS BURUNG (MELANORRHOEA WALLICHII HOOK. f) Sri Rulliaty
Jurnal Penelitian Hasil Hutan Vol 8, No 2 (1990): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (12599.96 KB) | DOI: 10.20886/jphh.1990.8.2.77-80

Abstract

Wood of renga1tembaga (Gluta renghas  L.) and ren,as IJurung(Melanorrhoea  wallicbii Hook.(.) ltaue many common limilaritia   in the anatonJicalfeatures.Some of the differencel are in the grou feature of wood. Anatomical 1tudy 1hows that the frequency of Pora  and raya  dimenaion (width and height) of  Melanorrhoea   wallichii  Hook.f.  are significantly different  compared with those of  Gluta  renghas  L.
PEMUTlHAN KAYU DUN.JING (PARASERIANTHES FALCATARIA (L.) NIELSEN). DENGAN METODA RENDAM DAN LABUR Sri Rulliaty
Jurnal Penelitian Hasil Hutan Vol 8, No 3 (1990): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2173.239 KB) | DOI: 10.20886/jphh.1990.8.3.100-104

Abstract

Tlae effect of chemical concentration and method of bleaching on the wood quality  i8 reported in thia paper. The mmpla   material co,..;.tetl of 40 piet:u jeur4/ing wood (Partueriantha  (alcataria (L.) Nisllen.) meauri"I J cm by 2 cm by 30 cm rapectiwly~ AU 1amplu  UJmt   divided  into  aeuen group& The /int   three grou,,.  were 1oaked in Ozalic acid and Sodium layd,._ib  iolutlone of  l"     SS   and B'A rapecti~ly.  The aecond three ttrou'DI were aleo malled in. Hydrogen perozide and Sodium hydrozide  eolutione of the above .concentration&  The lat  one group roae lmlalaed  with 8<H> Hydro- gen perozide  and  10~  Sodium  hydrozide  iolutione.   Variable rapona    oMrwd    were brilhtnea,  chemical compound penetration,  occurrence of fuzzy   grain and compreaion parallel to the grain.                                         •The raulb   ,..,led. that .ioalrlng  of jeur4Ji1111 wood in Hydrogen perozide and Sodium hydrozide  at 6~  concentra• tion  ahowed the bat   brWhtnea, a  well a  bruahi1111 with  the mme chemical compound at 30CJ, and 1 ~   concentration retpeetively.  The  taJer018 •peMtration  of  tlaae  chemieal compounda into  wood aubdrwte roere J  mm. M•anwhik; the eoaking method in O:callc acid and Sodium hydrozide  decreaeedthe compreesionparallel to the grain aignificantly. p;,,,...thermore the chemical compou~ """d for  bleaching the jeu.,,,ii11/l wood did not affect (uny    grain defect.
SIFAT PEMESINAN 10 JENIS KAYU DARI DAERAH NUSA TENGGARA BARAT Osly Rachman; Sri Rulliaty
Jurnal Penelitian Hasil Hutan Vol 7, No 4 (1990): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (4794.688 KB) | DOI: 10.20886/jphh.1990.7.4.121-129

Abstract

Machining  properties  of  ten  wood  species from West Nusa Tenggara is reported  in this paper.The sample material was tested under ASTM D-1666 that was modified   according to  Forest Products Research  Institute Report No.160 (1982). The  samples (25  pieces/species) were  dried  to  equilibrium   moisture content condition (15 to18 %  of  MC). The  machining  properties   tested  are planing,  shaping,  boring,  turning,  and sanding.Four species  that have good  to  very good  machining properties  are Anthocephalus cadamba  Miq., Duabanga moluccana BL., Eugenia longiflora (Presl.) F. Viii., and  Eugenia polyantha Wight. Whereas the other species have poor  machining properties   i.e.,  Ailanthus  malabarica DC, Ficus  microcarpa   L.f  and  Palaquium  javense Burck.
STRUKTUR ANATOMI SEBELAS JENIS KAYU DARI JAWA BARAT Sri Rulliaty
Jurnal Penelitian Hasil Hutan Vol 8, No 4 (1990): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (12797.945 KB) | DOI: 10.20886/jphh.1990.8.4.117-126

Abstract

Anatomical   featuru    of  eleoen  wood  species from  West Java were examined  and compared  for identification   purposes.  The reaul'tll  show  that  each  wood  species ean be diBtinguished  one from  the other.  All fibers N'ptate  is one chanu:temtic features  of family   Bwwraceae.    Tile celll pterospermum    types  distinguished   Planchonia   valida Bl. from  others  Species.Lit.sea rmna Hook.  has oil cellB, one  of  characteristic  features  of  family  Lauraceae.
IDENTIFIKASI JENIS KAYU PERDAGANGAN DAN KURANG DIKENAL YANG DIPERDAGANGKAN DI DKI JAKARTA Sri Rulliaty; Nenny Sumarliani
Jurnal Penelitian Hasil Hutan Vol 8, No 5 (1991): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2362.65 KB) | DOI: 10.20886/jphh.1991.8.5.196-201

Abstract

A survey on wood species marketed in the Jakarta Meb'opolitan has.  been conducted and the reault reporled in this paper. The result shows that there are all together 35 wood grouping available• in the market. Each group consiiitedof one or more species with similar (or almost) colour, density and pore density.
SAFAT PEMESINAN 10 JENIS KAYU DARI DAERAH SULAWESI UTARA Sri Rulliaty; osly rachman
Jurnal Penelitian Hasil Hutan Vol 9, No 2 (1991): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2155.619 KB) | DOI: 10.20886/jphh.1991.9.2.82-88

Abstract

machining properties of ten wood species from north Sulawesi was studied. the sampie  materiawas tested using ASTM D-1666-64, that was modified to forest products researeh institute report No. 160 (1982). firatiy,the;samples (25 pieoes/species) were dried to an equilibrium moisture content condition (15 or 18 % of MC). the machine-ing properties examined were paining, shaping, boring,turning and the percentage wood defect recorded.                the result shows that, five wood species has fair to very good machining properties i.e.Dysoxylum sp. elmerillia ovalis, lophopetalum javenicum,pangium edule and serianthes minahassae.the remainders has good to very good machine-ing properties, whereas three wood secies i.e. aglaia versteghii.lapiacea subintegerrima and neonaudes sp. better than others.  
SIFAT ANATOMI DAN FISIS KAYU JATI DARI MUNA DAN KENDARI SELATAN Sri Rulliaty; Mody Lempang
Jurnal Penelitian Hasil Hutan Vol 22, No 4 (2004): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2004.22.4.231-317

Abstract

 It is traditionally acknowledged that teak wood (Tectona grandis L.f) originated from Muna district had a better quality than that of South-Kendari. The objective of this study was to evaluate the different characteristics of both teaks. Wood samples were collected from bottom,  central and top part of trees from  age class 11 and Ill  (18 and 28 years) extracted from each region.  Samples were then examined for their anatomical and physical characteristics to determine the quality.Results revealed that teak wood samplesfrom Muna had higher dimensions in fiber  diameter,fiber  lumen width and vessel diameter than those of South-Kendari samples.  Such characteristics might bring the samples from Muna to have a higher specific gravity than the South-Kendari samples. It was also clearly shown that the older trees (age class III) possessed better characteristics than those of the young ones (age class II).
Co-Authors Mody Lempang Nenny Sumarliani osly rachman