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INDONESIA
BERITA BIOLOGI
Published by Lembaga Ilmu Pengetahuan Indonesia
ISSN : -     EISSN : -     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology
Arjuna Subject : -
Articles 8 Documents
 1 
Search results for , issue "Vol 1, No 1 (1968)" : 8 Documents clear
SUSUNAN KIMIA DJATI SERTA BERHUNGAN DENGAN TAKSONOMI DAN KATA HANNANJA TERHADAP INSEKTA SIMATUPANG, Dr. Ir. M . H.
BERITA BIOLOGI Vol 1, No 1 (1968)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (326.499 KB) | DOI: 10.14203/beritabiologi.v1i1.1521

Abstract

for investigating the special properties of toakwood,the thorough knowledge of the extractives is required. only 8 years age,merely two extractives of teak were know :secondary calcium phosphate and tectequinone.meanwhile, however,the knowladge has been greatly onlarged some 40 other compounds have been found, the chemical constitution of many of which has been determined The folloiwing extractives were found: 6 new anthraquinones, 5 naphthoquinonos,4 quinonos of still unknown structure, loaf-quinones ,2 nautral compounds with naphthalene rings (pierate formation )very small amounts of fatty oil (below 1%)consisting of 8 different fatty acidst Finally,The terpenoidalcompounds squalene betulic acid, one tiriterpeno C30 H48 O5 and two other terpenoids were found, The dchydronaphthol compounds, tectol and dehydrotecto1,clucidated in their constitution by decomposition and synthesis
EVOLUTION OF THE GRASSES X) Soderstrom, T. E.
BERITA BIOLOGI Vol 1, No 1 (1968)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v1i1.1522

Abstract

Because the flowers of grassos are so reduced, botanists in past have relied mostly on vegetative characters, such as the spikelets and their disposition in the inflorescence,to classify the family.Hackel,in his treatment of the Gramineae in Die Naturlichen pflanzen familien (late 1800'S proposed 12 tribes based on these characteristies and regarded the tribe.
SPACE BIOLOGI EXITING KNOWLEDGE AND PROBLEMS X) SORSTEL, R. C VON
BERITA BIOLOGI Vol 1, No 1 (1968)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v1i1.1519

Abstract

Space research can always be justified simply on the basis of the knowladge we expert to gain on the nature of the universe.The knowladge gained will be Principally in the fields of astrophysies, meteorology ,geology, and biology.The field of biology in space research can be separated into three categories: interaction of living material with the space enviroment the search for extraterestrial life, and interstellar communication
THE IRRADIATION OF MALE METHOD OF INSECT CONTROL Borstel, R. C von
BERITA BIOLOGI Vol 1, No 1 (1968)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v1i1.1520

Abstract

to successfully employ the irradiation-of-male method for insect control, only three radiation Hersitivity parameter must be Known
SPACE BIOLOGI EXITING KNOWLEDGE AND PROBLEMS x) R. C VON SORSTEL
BERITA BIOLOGI Vol 1, No 1 (1968)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v1i1.1519

Abstract

Space research can always be justified simply on the basis of the knowladge we expert to gain on the nature of the universe.The knowladge gained will be Principally in the fields of astrophysies, meteorology ,geology, and biology.The field of biology in space research can be separated into three categories: interaction of living material with the space enviroment the search for extraterestrial life, and interstellar communication
THE IRRADIATION OF MALE METHOD OF INSECT CONTROL R. C von Borstel
BERITA BIOLOGI Vol 1, No 1 (1968)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v1i1.1520

Abstract

to successfully employ the irradiation-of-male method for insect control, only three radiation Hersitivity parameter must be Known
SUSUNAN KIMIA DJATI SERTA BERHUNGAN DENGAN TAKSONOMI DAN KATA HANNANJA TERHADAP INSEKTA Dr. Ir. M . H. SIMATUPANG
BERITA BIOLOGI Vol 1, No 1 (1968)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v1i1.1521

Abstract

for investigating the special properties of toakwood,the thorough knowledge of the extractives is required. only 8 years age,merely two extractives of teak were know :secondary calcium phosphate and tectequinone.meanwhile, however,the knowladge has been greatly onlarged some 40 other compounds have been found, the chemical constitution of many of which has been determined The folloiwing extractives were found: 6 new anthraquinones, 5 naphthoquinonos,4 quinonos of still unknown structure, loaf-quinones ,2 nautral compounds with naphthalene rings (pierate formation )very small amounts of fatty oil (below 1%)consisting of 8 different fatty acidst Finally,The terpenoidalcompounds squalene betulic acid, one tiriterpeno C30 H48 O5 and two other terpenoids were found, The dchydronaphthol compounds, tectol and dehydrotecto1,clucidated in their constitution by decomposition and synthesis
Evolution of the Grasses x) T. E. Soderstrom
BERITA BIOLOGI Vol 1, No 1 (1968)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v1i1.1522

Abstract

Because the flowers of grassos are so reduced, botanists in past have relied mostly on vegetative characters, such as the spikelets and their disposition in the inflorescence,to classify the family.Hackel,in his treatment of the Gramineae in Die Naturlichen pflanzen familien (late 1800'S proposed 12 tribes based on these characteristies and regarded the tribe.

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