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Published by Pusbindiklat Peneliti LIPI

ISSN : - EISSN : 24610976 DOI : 10.14203

Aerospace Engineering Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Immunology & microbiology Industrial & Manufacturing Engineering Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Neuroscience Physics

Widyariset is a scientific journal which publishes the results of research and development, assessment, and systematic thinking about Natural Science.

Arjuna Subject : Umum - Umum

Articles 476 Documents

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PROSES ORGANIC ELECTROCOATING YANG RAMAH LINGKUNGAN Sri Mulyaningsih
Widyariset Vol 13, No 2 (2010): Widyariset
Publisher : Pusbindiklat - LIPI

Organic electrocoating process is the plating process using organic material to be plate on the conductor materials. The process is almost the same with other electroplating process, but they have several benefits such asno hazardous content, the plating sequence more shorter than electroplating process, and is possible to depositeng clear or tinted polyurethane plating. The organic electrocoating steps consist of surface treatment which is immersing the sample to the alkaline soak cleaner solution than acid mild dipping, continue to deionised rinse, organicelectrocoating, deionised rinse, post dye, and curing. The result of the experiment shows that the optimal Organic electrocoating process is held at voltage 35–40 V to give the best surface layer.

POTENSI PENINGKATAN PENYERAPAN KARBON DI PERKEBUNAN KARET SEMBAWA, SUMATRA SELATAN Charlos Togi Stevanus; Sahuri Sahuri
Widyariset Vol 17, No 3 (2014): Widyariset
Publisher : Pusbindiklat - LIPI

Addition to its economic contribution, rubber plantation plays an important role in sequestration of carbon. Carbon sequestration of rubber plantation could be increased through the application of intercropping system with high biomass timber trees. This study aimed: 1) to asses the potential increase of land carbon stock in rubber plantation intercropped with teak (Tectona grandis) and trembesi (Samanea saman); and 2) to examine theroleofforestryplantsintercroppingonrubbertreesasanalternativetoreduceCO2 emissions.Theresearch was conducted at the Balai Penelitian Sembawa’s plantation, South Sumatera, with three intercropping patterns, namelyPT1:teak+rubberplants,PT2:trembesi+rubberplants,andPT3:rubbertreemonocultures.Carbon stocks measurement is divided into three components: living part (tree biomass), dead part (necromass) and soil (soil organic matter). The results showed that the highest value per hectare of tree biomass, litter and soil carbon wasatPT2experimentwhilethelowestwasatPT3.TotalCO2 fixationperyearatPT1,PT2,andPT3were 18.54tons/ha,35.69tons/haand32.34ton/ha,respectively.Theincreaseincarbon sequestrationlevelbecause oftheexistenceoftrembesiwas9.3%oraround0.92tonnesC/ha/year,higherthanthatinmonoculturerubber plantation. 2 theroleofforestryplantsintercroppingonrubbertreesasanalternativetoreduceCO

Kumpulan Abstrak Indonesia abstrak indonesia
Widyariset Vol 18, No 2 (2015): Widyariset
Publisher : Pusbindiklat - LIPI

USE OF NEGATIVE SENTENCE IN LANGUAGE MONGONDOW, MONGONDOW DIALECT Sri Diharti
Widyariset Vol 16, No 1 (2013): Widyariset
Publisher : Pusbindiklat - LIPI

his research aims to describe about markers and use of negative sentence in language Mongondow, Mongondow dialect. The source of research data is oral data (primary) that writer get in the field research and obtained directly from informant as native speaker. This type of research is descriptive, that is explained in accordance with what is obtained. The data analysis techniques used is the ellipsis technique which is used to determine the role of negative markers, expansion technique is used to determine levels of the possibility of negative markers can be expanded or not, and permutation technique is used to locate or position may be assigned negative markers. The results of this research found a constituency that is used as negative markers in declarative negative sentence and interrogative language Mongondow, Mongondow dialect is jia’ ‘no’, jia’moibog ‘no way’, jia’dega ‘impossible’, and deeman ‘not’, then dika negative imperative sentence constituent is ‘don’t’.

DESIGNING CONTEXTUAL TEACHING LEARNING (CTL) BASED READING MATERIAL SAMPLE DESIGNS USING LOCAL LEGEND STORIES Syarifah Lubna Lubna
Widyariset Vol 12, No 3 (2009): Widyariset
Publisher : Pusbindiklat - LIPI

Fokus penelitian ini adalah merancang atau menyusun bahan ajar membaca bahasa Inggris dengan menggunakan cerita rakyat lokal. Cerita rakyat lokal dipakai sebagai bahan ajar dengan mempertimbangkan aspek kedekatan kultur atau budaya sehingga diharapkan walaupun sedang mempelajari bahasa asing, nilai yang dialihkan tetap merupakan nilai lokal yang dapat diaplikasi dan langsung diterapkan dalam kehidupan sehari-hari. Dengan asumsi bahwa belum ada kriteria standar yang diterapkan dalam penyusunan atau perancangan bahan ajar, maka kriteria CTL (pengajaran dan pembelajaran kontekstual) yaitu: konstruktifisme, pendekatan bertanya, pendekatan inquiry, membangun komunitas belajar, modeling, refleksi dan pengujian secara autentik lalu dipakai untuk menilai apakah bahan ajar ini sesuai dengan konsep pengajaran dan pembelajaran kontekstual (CTL) atau tidak. Dengan menerapkan metode penelitian deskriptif, data dikumpulkan melalui studi literatur dan dipaparkan dalam bentuk bahan ajar. Selanjutnya, bahan ajar diaplikasikan atau diterapkan melalui pembelajaran di kelas dan kuesioner disebar kepada peserta didik untuk meng-ukur sejauh mana bahan ajar telah memenuhi kriteria CTL. Dart hash kuesioner tergambar bahwa terdapat opini positifdengan menyetujui (46%) dan bahkan sangat menyetujui (38%) bahwa contoh rancangan pengajaran membaca bahasa Inggris dengan menggunakan cerita rakyat lokal telah memenuhi kriteria pengajaran dan pembelajaran kontekstual (CTL).

MICROHABITATS OF Hylarana chalconota ALONG FAST FLOWING WATER STREAMS IN DEGRADED LAND IN GUNUNG SALAK FOOT HILL Hellen Kurniati; Alex Sumadijaya
Widyariset Vol 14, No 3 (2011): Widyariset
Publisher : Pusbindiklat - LIPI

This research was conducted to determine the microhabitat selection in the frog species Hylarana chalco-nota in fl owing aquatic habitats situated in degraded land. Three survey sites (river, ditch, pine plantation) were selected in the Curug Nangka area on the slopes of Gunung Salak at an altitude between 630–740 m above sea level. Transect methodology was used to determine the microhabitat preference in H. chalconota. Two ways paired and one-way ANOVA were used to test the impact of environmental factors on the microhabitat preference of H. chalconota. A signifi cant effect of air humidity on the presence of individual frog in the river and pine plantations was observed, but other environmental factors (air temperature, water temperature, air humidity, moon phase) had no signifi cant effect on individual H. chalconota along the ditch irrigation. In selecting microhabitats, the frog prefers vegetation below the substrate. However, frogs did not select specifi c plant species;preference appears to be related to the nature of the leaf and petiole strength. In horizontal microhabitat selection, individual frog tend to choose a distance between 0-1 meters from the edge of a river or ditch, while in vertical microhabitat selection, individual H. chalconota tend to choose a distance between 0–1 m from the ground.

UPWELLING-DOWN WELLING DYNAMICS OF ARAFURA AND TIMOR SEAS Widodo S. Pranowo
Widyariset Vol 15, No 2 (2012): Widyariset
Publisher : Pusbindiklat - LIPI

Arafura and Timor Sea is territorial waters which surround three countries of Indonesia, Australia, and Timor Leste. Both seas have very strategic and transboundary conditions, such as for fisheries, sea-climate variability, marine pollutions and others. Therefore, we need studies to understand the characteristics of currents circulation. The most important physical parameters of these features is the dynamics of the upwelling and down welling. Hydrodynamics of 3-D modelling for currents circulation, using tides and wind as initial conditions, is employed to simulating scenarios of the Northwest monsoon, Southeast monsoon, and transition of both monsoons. The results are qualitatively verified. The dynamics of horizontally surface currents follows the monsoon system, and the vertical circulation is significantly exists. Upwelling in coastal waters south of the island of Timor, and between the Islands and the Tanimbar Aru islands appear in all the monsoon due to the influence of the bathymetry. The current circulation is potentially indirect contribution to the fisheries activities in the seas.

ANALISIS KEHANDALAN STRUKTUR BANGUNAN WISMA ATLIT RAGUNAN PASCA KEBAKARAN Muhammad Rusli
Widyariset Vol 12, No 1 (2009): Widyariset
Publisher : Pusbindiklat - LIPI

The data acquisition of the post-fire construction is done by visual observation, dimension measure-ment, concrete field testing and also laboratory testing. Visual observation above the third floor which is directly on fire, indicate serious damages with the result that all of the building component above the third floor must be replaced by a new construction. The testing of building material shows that the grade of concrete component which is directly fired has fc '=6.8 MPa, while the non-fired component has fc'=15.2 MPa. The structural analysis shows that most of the building components at the first and the second floor are able to be functioned with a little repair of longitudinal balk at their support section to increase bending capacities.

DIFFRENCE OF EMOTIONAL INTELLIGENCE AND AGGRESSIONBEHAVIOR BETWEEN CHILDREN WHO HAVE MIGRANT WORKER MOTHER AND CHILDREN WHO LIVE WITH THEIR MOTHER (STUDY IN PRIMARY SCHOOLS IN GABUS SUB REGENCY, PATI REGENCY, CENTRAL JAVA) Nurul Aeni
Widyariset Vol 14, No 1 (2011): Widyariset
Publisher : Pusbindiklat - LIPI

Mother has significant roles on child development. Absence of mother potentially causes children maladap tive behavior like aggression. The objectives of this research: (1) to compare emotional intelligence of children who have migrant worker mother with children who live with their mother; (2) to compare aggression behavior of children who have migrant worker mother with children who live with their mother; (3) to analyze determination of mother’s status to aggression behavior with emotional intelligence as intervening variable. This research uses quantitative method. It uses 80 first primary school students in Gabus Sub regency, Pati Regency who are obtained by class random. Quantitative data are obtained from two psychological scales. Scale of Student Aggression Behavior contains 14 items (α = 0,785) and Scale of emotional intelligence contains 23 item (α = 0,865). This research has three findings: (1) children who have migrant worker mother have lower emotional intelligence than children who live with their mother; (2) children who have migrant worker mother more are aggressive than children who live with their mother; (3) Mother’s status determines children’s aggression behavior with emotional intelligence as intervening variable.

DETERMINATION OF THE DIMENSIONS AND INDICATORS OF FOOD SECURITY IN INDONESIA: THE NATIONAL FOOD SECURITY BOARD-WORLD FOOD PROGRAM METHODOLOGY REVISITED Edmira Rivani
Widyariset Vol 15, No 1 (2012): Widyariset
Publisher : Pusbindiklat - LIPI

This study identifies the dimensions and indicators of food security and vulnerability that are relevant to bemonitored, and calculates a composite index based on food security and vulnerability indicators that represent thedimensions of food security based on the results of exploratory factor analysis. The method is as a new alternativeto the one used by the National Food Security Board (DKP)-World Food Program (WFP) in preparing the FoodSecurity and Vulnerability Atlas in Indonesia. The results show that the dimensions of food security are foodavailability, physical access, utilization, and social – economic aspects. The four dimensions explain 65,68%, ofthe total variance which indicates the models are fit. The indicators that should be included in the composite indexof food security are villages without access to road, female illiteracy, underweight children < 5 years, stuntingchildren < 5 years, household > 5 km from health facilities, and house hold without access to clean drinking water.This method may be considered as an alternative methodology in revising and updating the food security andvulnerability atlas that is regularly conducted by the DKP-WFP.

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Andri Rahman

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andri.agus.rahman@lipi.go.id

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Editorial Address
Pusbindiklat LIPI, Jl. Raya Bogor Km. 46, Cibinong Science Center, Cibinong - Bogor 16911

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Kab. bogor,

Jawa barat

INDONESIA