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Widyariset

widyariset
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Published by Lembaga Ilmu Pengetahuan Indonesia

ISSN : 14117932 EISSN : 24610976 DOI : -

Core Subject : Engineering,

Engineering

Widyariset is a scientific journal which publishes the results of research and development, assessment and systematic thinking about science and technology. The writers of the scientific papers in this journal come from researchers/researcher candidates from various institutions' research and development (R&D), and universities. Widyariset is published regularly three times a year: in April for the issue of Social Sciences and Humanities (IPSK), in August for the issue of Natural Sciences (IPA) and in December for the issue of Engineering Sciences (IPT).

Arjuna Subject : -

Articles 485 Documents

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POTENTIAL EVALUATION OF SOME CROSSES AS RESTORER PARENT ON HYBRID RICE DEVELOPMENT Yuniati Pieter Munarso
Widyariset Vol 14, No 3 (2011): Widyariset
Publisher : Pusbindiklat - LIPI

Development of hybrid rice using three-lines method in Indonesia is handicapped by low and varied restor-ing ability of restorer line. Most of available restorer line showed to have varied fertility in its F1 resulted from test cross. This experiment was executed to evaluate some crosses resulted anther culture seed and cytoplasmic male sterile as potential restorers. Amount of 32 crosses were planted and grew in rice fi eld. Observations were made on spikelet fertility, 50% fl owering age, anther color, and phenotypic acceptability. Result shows that 4 (four) crosses were found to have spikelet fertility of more than 75%. They were IR70731A/KA74-2, IR70364A/KA78-2, IR58025A/KA26-2, and IR70731A/KA15-2. This result indicated that the male parent of those crosses could be concluded as potential restorer lines

KNOWLEDGE CREATION PROCESS IN THE FIRST LEVEL OF RESEARCHER FUNCTIONAL TRAINING, 7 TH ROUND IN 2010 Purnama Alamsyah
Widyariset Vol 14, No 1 (2011): Widyariset
Publisher : Pusbindiklat - LIPI

First Level of Researcher Functional Training is an attempt to improve knowledge mastery of researcher/researcher candidates. the of training program is expected to increase the researchers in the field of research in accordance with a growing need in the community. This study tried to explore the knowledge creation in the implementation of First Level of Researcher Functional Training at 7round in 2010 through analysis of Nonaka’s SECI model (Socialization, Externalization, Combination, Internalization). This study concludes with a discussion of the implementation of knowledge creation, and further development of knowledge creation in First Level ofResearcher Functional Training

STUDY AND DISTRIBUTION IN OIL PORTS SHALLOWING SEDIMENTS (OIL WHARVES) PT CALTEX PACIFIC INDONESIA DUMAI, RIAU 1990 POST-DREDGING Hendra Yusran Siry
Widyariset Vol 14, No 3 (2011): Widyariset
Publisher : Pusbindiklat - LIPI

To study the process of rapid sedimentation occurred required an understanding of the characteristics of the sediments and oceanographic processes. This paper is to analyse source of silting up and sediment distribution surrounding oil wharves of PT Caltex Paciﬁ c Indonesia (PT CPI) after big dredging in 1990 during four months research and intensive survey in 18 research sampling areas. The research used gravimetric method for sediment samples identiﬁ cation and ﬁ eld survey for oceanographic conditions twice sampling time, ﬂ ood tide and ebb ﬂ ood. Data showed sediment fraction consist of sandy mud with 48.175–74.735% mud content. Classiﬁ cation and result of sediment statistic analysis indicated wave energy and tide caused silting-up process in the surrounding PT CPI’s oil wharves. This process was sped up by the environmental conditions, reclamation and coastal land changes.

THE IDEOLOGICAL HEGEMONY IN THE CONSTRUCTION OF MELAYU RIAU COMMUNITY CULTURAL IDENTITY ON THE ARCHITECTURE DESIGN Nina Andriana
Widyariset Vol 14, No 1 (2011): Widyariset
Publisher : Pusbindiklat - LIPI

This article explains the hegemony of ideology in the construction of local cultural identity on architectural design, found by using Roland Barthes’ semiotical analysis. The research is qualitative with descriptive design, colled from interpretation of the data using semiotics analysis and depth interview. In its conclusion, the writer suggested that architectural design as a cultural artifact should be formed as one of the objects in political communication researches, by using cultural studies approach which shows the hegemonic practice. The need of guidelines of local cultural architectural norms to strengthen local cultural identity in architectural forms as a cultural artifact, also important thing to local goverment concerned.

THE NONMETALLIC COMPONENTS IMMERSION TEST OF THE FUEL LINE SYSTEM OF MOTOR VEHICLES WITH BIOSOLAR (B5) Emi Yuliarita
Widyariset Vol 1, No 1 (2015): Widyariset
Publisher : Pusbindiklat - LIPI

Biodiesel is a renewable alternative energy has now been used widely. The use of biodiesel in diesel fuel vehicles is the hope of anticipating the needs of increasing diesel oil. This is consistent with the national energy policy where the energy mix by 2025 is expected to use alternative energy can reach 25%. However, biodiesel has solvent properties as a good enough so that it will be able to influence the non-metallic components of the fuel line system of motor vehicles. In this study conducted immersion test against non-metallic components of the fuel line system of motor vehicles Isuzu Panter which refers to the test method SAE 1747 with the aim to see the nature of the fuel compatibility with the non-metal components. After soaking material characterization tests performed by measuring the volume and weight. The results showed that the use of 5% biodiesel in diesel fuel cause nonmetallic components undergo expansion/swelling and contracts in particular rubber, plastic, and cork. The biggest change occurred shrinkage of 71.4% on the rubber cap tank-solar, Rubber Tank Low – Solar is 28.6% and the Rubber Tank Up-Solar is 25.5% respectively in the phase after 100 hours of immersion.

OPTIMIZING OF COMPOSITE BOARD PRODUCTION MADE FROM WOOD WASTE AND BAMBOO Sukma Surya Kusuma; Bambang Subiyanto; Muh Yusram Massijaya
Widyariset Vol 14, No 2 (2011): Widyariset
Publisher : Pusbindiklat - LIPI

The objective of this research was to develop composite board made of bamboo veneer, rubber wood veneer, and log core waste of rubber wood with determining optimum log core strip constructions and type of veneers. The bamboo veneer made from slices of Betung (Dendrocalamus asper), Andong (Gigantochloa verticilata), and Tali (Gigantochloa apus) bamboo species. Strip forms of log core were square and silindric forms. Arrangement of log core strip was zigzag in design. Composite boards were constructed from seven layers. Water Based Polymer Isocyanate was used as adhesive in composite board productions. The research results showed that the composite board made of Andong bamboo veneer, and square strip of log core performed best quality compared to other composite boards. The above type of composite boards fulfi lled Japanese Agricultural Standard (JAS) No. 1516, 2003 for structural plywood. These composite board was suitable for structural purposes.

THE INFLUENTIAL FACTORS IN LANGUAGE CHOICE IN THE MULTILINGUAL SOCIETY IN SINJAI herawati herawati
Widyariset Vol 18, No 2 (2015): Widyariset
Publisher : Pusbindiklat - LIPI

This research aims to describe and explain the influential factors in language choice in the multilingual society while attempting to correlate such factors with domains and role relations. By using field research methods that is by participant’s observation and in-depth interview, the data were collected from daily speech events in the various domains. The languages used daily by the speech community in Sinjai are Konjo language, Buginese language, Malayic-Buginese language, and Indonesian language. In situations where the social context favors multiple interethnics contacts, however, some speakers may choose to incorporate features from a dominant variety into their speech. There are some influential factors in language choice in the inter-ethnic communication. Firstly, the language abilities of the speaker and the addressee which includes accommodation, mobility, and educational aspects. Second, the setting and the situation, both official and non-official. Third, the participants in the interaction, which includes social status, social distance, age, and presence of the third person.

SUBSTITUTION OF PLANT UTILIZATION ON THE FOREST GARDENS OF MAIBRAT, WEST PAPUA Susan Salosa
Widyariset Vol 14, No 2 (2011): Widyariset
Publisher : Pusbindiklat - LIPI

The dividing in many provinces in Indonesia including West Papua has affected those areas in mobilization of information within areas, infrastructure changing such as roads, bridges, buildings and ofﬁ ces. Migration of people is also contributed to local plants existing and appearing of invasive species in the community gardens. The local plants are becoming scarce and ﬁ nally disappeared. The research was conducted by ﬁ eld survey technique on three villages: Arne, Framu, and Sembaro in the district of South Sorong (recently become part of Maibrat district). Data were analyzed tabulation continued with SPSS and diversity index. The research shows that aboutnine spesies, seven are species of bete and two kinds of pumpkin, become extinct. On the other hand peanut andred onion become part of local community’s life.

THE SCENARIO IMPACT OF LOCAL CIGARETTE TAX TO GOVERNMENT’S FISCAL AND ECONOMIC Muhammad Yusmal Nikho
Widyariset Vol 14, No 1 (2011): Widyariset
Publisher : Pusbindiklat - LIPI

This research is addressed to improve the preparation of implementing local cigarette tax in January 2014. This research will discuss the impact of cigarette tax to the government’s fiscal and economic by applying several alternative scenarios of cigarette tax. Quantitative methodology is used to calculate its impact on the government’s fiscal and economic (using I-O analysis). The result showed that the application of the cigarette tax would reduce cigarette consumption and production, increase total government revenue from tobacco products, reduce the central government’s net revenue from the tobacco excise tax, increasing the total revenue and spen ding of provincial government significantly, reduce fiscal capacities inequality among provincial government, as well asincreasing output, income, and employment.

COMPARATIVE STUDY TOXICITY LC 50 AFLATOXIN, OCHRATOXIN, ZEARALENON IN PEANUT (Arachis Hypogaea L) R.Haryo Bimo Setiarto
Widyariset Vol 14, No 3 (2011): Widyariset
Publisher : Pusbindiklat - LIPI

Afl atoxin, ochratoxin, zearalenon is a compound resulted from metabolism process Aspergillus fl avus, As-pergillus ochraseaus and Fusarium graminearum which grows in moist peanut. A long period and over dose of afl atoxin, ochratoxin, zearalenon can be caused liver cancer, cirrhosis, carsinoma, chronic hepatitis, jaundice, food absorption disturbance, digestion disturbance and immunosuppressive. This research have focused on com-parative study about toxicity afl atoxin, okhratoxin and zearolenon compound. The result of toxicity test by using Artemia salina, it was knowingly detected that LC50 value from crude extract peanut of ochratoxin, zearalenon, afl atoxin was 296.82 ppm, 366.28 ppm, 251.55 ppm respectively. Finally it can be concluded that afl atoxin com-pound from peanut sample had toxicity effect of the most dangerous than other compound (ochratoxin, zearolenon) due to lethal 50% Artemia salina population in smallest concentration.

Page 37 of 49 | Total Record : 485

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Pusbindiklat Peneliti-LIPI (The National Training and Education Center for Researchers Development – Indonesian Institutes of Sciences) Jl. Raya Bogor Km. 46, Cibinong Science Center Cibinong - Bogor 16911

Location
Kota adm. jakarta selatan,

Dki jakarta

INDONESIA