Showing papers by "Indonesian Institute of Sciences published in 1996"
TL;DR: The persistence of water monitors in southern Sumatra, despite intense harvesting, reflects the large area of suitable habitat with low human densities, the monitors' ecological flexibility, and their high reproductive rate (early maturation and frequent reproduction), and (perhaps) the concentration of commercial harvesting on adult males.
65 citations
TL;DR: In this paper, the authors present the aftershock activity following the February 15, 1994, Mw 6.8 earthquake which was strongly felt in southern Sumatra, Indonesia, near the Great Sumatran Fault (GSF).
Abstract: We present the aftershock activity following the February 15, 1994, Mw 6.8 earthquake which was strongly felt in southern Sumatra, Indonesia, near the Great Sumatran Fault (GSF). At this place, the slip rate is supposed to be low; neverthless, three M>6 events occurred along this segment during this century. No significant instrumental microseismicity has ever been recorded there. We use data from both the regional Indonesian network and a local seismic array operating 11 days after the mainshock during one month. Aftershocks mostly locate in a broad zone of 55 × 20 km² near two active NW-trending strike-slip segments of the GSF separated by a recent caldera, Suwoh. During the experiment, the NW segment (from Suwoh up to 15 km SE of the Ranau lake caldera, an old right-stepover pull-apart) was very active. As first suggested by the aftershock distribution and the lack of coseismic rupture at the surface, the 20 focal mechanisms determined provide evidence for various post-seismic stress adjustments on secondary faults located in the Ranau-Suwoh paleo-pull-apart graben. Less than 20% of the aftershocks are directly linked to the main rupture, a nearly pure right-lateral strike-slip faulting reaching 25 km depth. A narrow seismic gap underlines the active volcanic area of Suwoh. We conclude that the rupture process along the GSF is controlled both by volcanism and structures, and that the volcanic activity affects the mechanical properties of the crust only in a narrow zone.
22 citations
TL;DR: From the bark of Garcinia dulcis, a new xanthone, dulciol A, was isolated in addition to two known xanthones, 12b-hydroxydes-d-garcigerin and toxyloxanthone B, which were determined by spectroscopic analysis.
Abstract: From the bark of Garcinia dulcis, a new xanthone, dulciol A (1), was isolated in addition to two known xanthones [12b-hydroxydes-d-garcigerin (2) and toxyloxanthone B (3)]. Furthermore, from the roots of this plant, four novel xanthones with a 1,1-dimethylallyl group, dulciols B−E (4−7), were obtained, besides eight known xanthones [2; garciniaxanthones A (8), B (9), and D (14); globuxanthone (10); and subelliptenones C (11), D (12), and F (13)]. The structures of these xanthones were determined by spectroscopic analysis, including 2D NMR.
17 citations
TL;DR: Two new furanoxanthones were isolated from the stems of Mammea acuminata, in addition to four known xanthones, and the structures were established by spectral analysis.
13 citations
TL;DR: Radiolarian dating reveals that long durations of chert sedimentation in a pelagic environment are recorded on both sides of Pacific-rim accretionary complexes (e.g., New Zealand, Japan, Russian Far East, Canadian Cordillera).
Abstract: This paper contains extended abstracts of the seven papers presented at the symposium ‘Radiolarians and Orogenic Belts’ held at the seventh meeting of the International Association of Radiolarian Paleontologists (INTERRAD). Important results of the symposium include the following: (1) Upper Paleozoic and Mesozoic cherts are widely distributed within accretionary complexes in the circum-Pacific orogenic belt. Radiolarian dating reveals that long durations of chert sedimentation in a pelagic environment are recorded on both sides of Pacific-rim accretionary complexes (e.g. New Zealand, Japan, Russian Far East, Canadian Cordillera). (2) Triassic radiolarian faunas from New Zealand and the Omolon Massif, northeast Siberia are similar in composition and are characterized by the absence of typical Tethyan elements. This suggests that radiolarian faunal provincialism may have been established as early as the Triassic. High-latitude radiolarian taxa exhibit a bi-polar distribution pattern. (3) The Lower Triassic interval in chert dominant pelagic sequences is mechanically weaker than other levels and acted as a decollement in accretionary events. This lithologic. contrast in physical property is considered to reflect radiolarian evolution, such as the end-Permian mass extinction.
8 citations
TL;DR: An Easy Dipstick Assay for Anti-Core Antibodies to Screen Blood Donors for Hepatitis C Virus Viremia is presented.
Abstract: Department of Internal Medicine, Mataram General Hospital, Mataram, Indonesia; Indonesian Institute of Sciences, Bandung, Indonesia; Japanese Red Cross Yamaguchi Blood Center, Yamaguchi; Japanese Red Cross Hiroshima Blood Center, Hiroshima; ‘ Department of Medical Sciences, Toshiba General Hospital, Tokyo; Immunology Division, Jichi Medical School, Tochigi; Department of Hygiene, Hiroshima University School of Medicine, Hiroshima, Japan An Easy Dipstick Assay for Anti-Core Antibodies to Screen Blood Donors for Hepatitis C Virus Viremia
7 citations
26 Dec 1996
TL;DR: Jalur pelayaran menghubungkan pelabuhan yang satu dengan yang lain, apakah kedua-duanya benar as discussed by the authors.
Abstract: Jalur pelayaran menghubungkan pelabuhan yang satu dengan yang lain. Pertanyaan pokok adalah: Manakah yang lebih dulu, pelabuhan atau jalur pelayaran' Dengan kata lain, apakah munculnya sebuah pelabuhan ditentukan oleh jalur pelayaran, ataukah sebaliknya: terjadinya jalur pelayaran ditentukan oleh pelabuhan' Hingga sekarang pertanyaan ini belum bisa dijawab secara memuaskan. Mungkin kedua-duanya benar. Adakalanya sebuah pelabuhan muncul karena lokasinya yang strategis pada jalur pelayaran, sedangkan sebaliknya, sebuah pelabuhan entrepot tempat perdagangan yang ramai yang memberi kemudahan-kemudahan untuk mengisi air dan makanan dan memperbaiki kapal, tentu akan menjadi tempat tujuan sebuah jalur pelayaran.
6 citations
TL;DR: This species was reared from an important pest of cocoa pods, the cocoa husk borer, Cryptophlebia encarpa (Meyrick), and may be of potential use as a biological control agent.
Abstract: Brachymeria encarpae sp. n. is described from Malaysia. This species was reared from an important pest of cocoa pods, the cocoa husk borer, Cryptophlebia encarpa (Meyrick), and may be of potential use as a biological control agent.
3 citations
TL;DR: In this paper, two new furanoxanthones, acuminols A and B, were isolated from the stems of Mammea acuminata, in addition to four known xanthones (1,7-dihydroxy-, 2-hydroxy-, 4-hydrox- and 3-hydoxy-2methoxyxanthone).
Abstract: From the stems of Mammea acuminata , two new furanoxanthones, acuminols A and B, were isolated, in addition to four known xanthones (1,7-dihydroxy-, 2-hydroxy-, 4-hydroxy- and 3-hydroxy-2-methoxyxanthone). The structures were established by spectral analysis.
1 citations
TL;DR: A new genus and species of Eulophinae (Hymenoptera: Eulophileidae) from Brunei is described and illustrated.
Abstract: Oxycantha darwini Surekha & Ubaidillah, a new genus and species of Eulophinae (Hymenoptera: Eulophidae) from Brunei, is described and illustrated.