http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
- 中文 을 입력하시려면 zhongwen을 입력하시고 space를누르시면됩니다.
- 北京 을 입력하시려면 beijing을 입력하시고 space를 누르시면 됩니다.
RISS 인기검색어
- 검색키워드
- 저자 : Norul Izani Md. Allwi (검색결과 2 건)
- 무료
- 기관 내 무료
- 유료
-
Wood and Cellular Properties of 4 New Hevea Species
Norul Izani Md. Allwi,Mohd. Hamami Sahri,Su Kyoung Chun 한국가구학회 2008 한국가구학회지 Vol.19 No.4
Increasing demand for timber and the depletion of natural forest have encouraged utilization of many non-popular species. The understanding of wood properties and behavior is important to evaluate the potential of these species to produce high quality end products. This study determines the anatomical and physical properties of Hevea species viz Hevea pauciflora, Hevea guianensis, Hevea spruceana, Hevea benthamiana and Hevea brasiliensis. Each sample tree was cut into three different portions along the height (bottom- B, middle- M and upper -T parts) and two radial samples (outer- O and inner- I parts). H brasiliensis clone RRIM 912 exhibited the longest fibre with 1214㎛, followed by H. benthamiana (HB, 1200㎛), H.pauciflora (HP, 1189㎛), H. spruceana (HS, 1158㎛) and H. guianensis (HG, 1145㎛). Fibre length has a positive correlation with specific gravity. The largest fibre diameter (24.9㎛) and lumen diameter (12.5㎛) were recorded in H. guianensis. The highest moisture content was obtained from H. spruceana (64.34%) compared to the lowest with 60.01% (Clone RRIM912). The higher moisture content is normally associated with lower strength. Overall, the properties of clone RRIM 912 is found to be comparatively better because of higher strength due to longer fibre length, thicker cell walls and higher specific gravity than the other Hevea species. Therefore, this species can be used as a general utility timber.
-
Wood and Cellular Properties of 4 New Hevea Species
Allwi, Norul Izani Md.,Sahri, Mohd. Hamami,Chun, Su-Kyoung Korea Furniture Society 2008 한국가구학회지 Vol.19 No.4
Increasing demand for timber and the depletion of natural forest have encouraged utilization of many non-popular species. The understanding of wood properties and behavior is important to evaluate the potential of these species to produce high quality end products. This study determines the anatomical and physical properties of Hevea species viz Hevea pauciflora, Hevea guianensis, Hevea spruceana, Hevea benthamiana and Hevea brasiliensis. Each sample tree was cut into three different portions along the height (bottom- B, middle- M and upper -T parts) and two radial samples (outer- O and inner- I parts). H. brasiliensis clone RRIM 912 exhibited the longest fibre with $1214{\mu}m$, followed by H. benthamiana (HB, $1200{\mu}m$), H. pauciflora (HP, $1189{\mu}m$), H. spruceana (HS, $1158{\mu}m$) and H. guianensis (HG, $1145{\mu}m$). Fibre length has a positive correlation with specific gravity. The largest fibre diameter ($24.9{\mu}m$) and lumen diameter ($12.5{\mu}m$) were recorded in H. guianensis. The highest moisture content was obtained from H. spruceana (64.34%) compared to the lowest with 60.01% (Clone RRIM912). The higher moisture content is normally associated with lower strength. Overall, the properties of clone RRIM 912 is found to be comparatively better because of higher strength due to longer fibre length, thicker cell walls and higher specific gravity than the other Hevea species. Therefore, this species can be used as a general utility timber.
연관 검색어 추천
이 검색어로 많이 본 자료
활용도 높은 자료
