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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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PROFIL TOKOH WANITA DALAM KABA CINDUA MATO KARYA SYAMSUDDIN SUTAN RADJO ENDAH Ninawati Syahrul
Widyariset Vol 13, No 1 (2010): Widyariset
Publisher : Pusbindiklat - LIPI

Kaba is the legend of Minangkabau people. It is a great literature in Minang and it has an important role in Minangkabau society. In Minang, it put matrilineal term . It is an intercommunication with the kinship system that is adhered materilined community, it is very interesting to examine the existence of these female figures. This study aims to describe the profile of women in “Kaba Cindua Mato” especially in Minangkabau society. This research includes descriptive studies. The profile of women is reflected as in “Kaba Cindua Mato” those whose sense of responsibility in life. This study is expected to encourage women of Minangkabau, so, they do not forget the Minangkabau culture.

THE PERFORMANCE TESTING OF JAVA VOICE MESSENGER APPLICATION ON LOCAL AREA NETWORK Tri Handayani
Widyariset Vol 15, No 2 (2012): Widyariset
Publisher : Pusbindiklat - LIPI

Java Voice Messenger application was developed by Java technology Standard Edition (J2SE). This application intend to facilitates communication among user on Local Area Network. They did not need the internet connection and it can perform voice file transfer process. This application can send right voice message and sound quality after compression still have a fairly good quality, and distortions can be ignored. In performance testing, delay produced quite large because the process of sending and receiving on one computer at the same time, but it depends on the size of a sound file. In addition, delay can also be affected by distance and physical media. Sustainability of communication can be maintained even if there is damage or loss of some packets at the time of delivery.

ANALISIS PENGARUH FAKTOR-FAKTOR MONETER DAN FISKAL TERHADAP JUMLAH UANG BEREDAR DI INDONESIA Tri Risandewi
Widyariset Vol 12, No 3 (2009): Widyariset
Publisher : Pusbindiklat - LIPI

The aims of this analysis are to see the effect of monetary factors such as foreign reserve and money multipliers and fiscal factor such as government expenditure toward money supply in Indonesia. The methods used in this analysis is Vector Autoregressive (VAR) or Vector Error Correction Model (VECM). This analysis uses a secondary data (three-month data) from 1986 until 2003. The result of this analysis, using VECM estimation, is that money supply, foreign reserve, and money multiplier have a short term and long term relationship. According to short term relationship, money supply and money multiplier have a positive correlation, with ceteris paribus assumption. Whereas a long term relationship shows that only foreign reserve and money multiplier have had a positive correlation, with ceteris paribus assumption.

EFFECT OF BIOFERTILIZER ON GROWTH AND NITROGEN UPTAKE OF SOYBEAN PLANTS (Glycine max. L.) VARIETIES MITANI AND ANJASMORO Taufiq Bachtiar; Setiyo Hadi Waluyo
Widyariset Vol 16, No 3 (2013): Widyariset
Publisher : Pusbindiklat - LIPI

Application for Rhizobium in local farmers has to be developed to support sustainable agriculture. This research was conducted to determine the influence of Rhizobium as a biofertilizer on growth and Nitrogen (N) uptake of two varieties of soybean. The experiment was carried out from January to May 2011 in South Jakarta. Randomized Block Design (RBD) was used in this experiment with six treatments and four replicates. The treatments were: K0=uninoculated with biofertilizer without urea, K100=uninoculated but with urea 100% equal 75 kg/ha, SS=inoculated with single strain biofertizer without urea, MS= inoculated with multi strain biofertilizer without urea, SS+50 =inoculated single strain biofertilizer with 50% urea, MS+50= inoculated multi strain biofertilizer with urea 50%. The results showed that application of MS +50 gave the best result on plant height, N uptake, nodule number and dry shoot of soybean plant varieties Mitani. Application of SS +50 gave the best results on plant height, N uptake, nodule number, and dry shoot of soybean plants varieties Anjasmoro.

SUBSIDY POLICY ON NATURAL GAS AND COAL DEVELOPMENT Sahat Aditua Fandhitya Silalahi
Widyariset Vol 15, No 1 (2012): Widyariset
Publisher : Pusbindiklat - LIPI

Indonesian government had developed a policy to diversify energy from other sources in order to reduce thedependency towards fossil fuel. However, subsidy on fossil fuel impedes the efforts. Therefore, the governmentneeds to reallocate the subsidy in order to support the diversification. Indonesia still has vast amount of naturalgas and coal resources and they have opportunities to replace fossil fuel as the main energy. This paper aimsto study the opportunities to implement subsidy policy in developing those two energy sources. The study usesdescriptive-qualitative approach and uses secondary data from literature, journal, internet and other secondarysources. The study finds that there is an opportunity to implement subsidy for revitalizing the city gas program.This program should be able to replace liquefied petroleum gas. The government can also implement subsidy inorder to accelerate the coal liquefaction development.

KESESUAIAN LAHAN PERAIRAN PULAU KALEDUPA UNTUK KERAMBA JARING APUNG IKAN KERAPU Hatim Albasri; Brian Szuster
Widyariset Vol 13, No 3 (2010): Widyariset
Publisher : Pusbindiklat - LIPI

Capability analisis of waters off Kaledupa Island for Grouper Net Cage quaculture. This research was aimed to assess potential areas for sustainable grouper net cage mariculture within marine conservation areas using geographic information system (GIS) as the main tool for determining the suitability of the potential areas. The research took place on the southern part of Kaledupa Island and was conducted for three weeks in August, 2007. Data collection was performed in 31 sampling stations. There were 15 capability parameters measured in each sampling station. Data analysis was conducted using kriging-based interpolation analysis in ArcGIS 9.1 to describe the distribution of each parameter over the study area. The final capability map was the combination of all capability parameters into one single thematic map using Boolean operator. The result showed that there were 4,510.54 ha of capable area in the 8,581.99 ha of the study area. Therefore, it can arguably be concluded that the eastern coastline of Kaledupa Island is capable for supporting grouper net cage mariculutre.

PERFORMANCE TEST OF DUAL FUEL ENGINE USINGETHANOL DIESEL Yanuandri Putrasari; Arifin Nur; Aam Muharam
Widyariset Vol 16, No 2 (2013): Widyariset
Publisher : Pusbindiklat - LIPI

Diesel engine is a high thermal-efficient of internal combustion engine. However, the application of diesel engine still depended on fossil fuel. This fuel has limited availability and the effect are also very dangerous especially its emission. Ethanol was used as an alternative fuel to replace fossil based of diesel fuel. The purpose of this work is to explore the performance of the dual fuel engine–ethanol diesel. The performance test was carried out by running the indirect injection engine that modified to direct injection on 1,500 rpm using four types of fuel i.e. diesel fuel, diesel mixed with ethanol2.,5%, 5%, and 10%. The results show that there was an increasing effect of engi inindicated mean effective pressure (IMEP) value and brake specific fuel consumption (bSFC) reduction when the engine was operated using ethanol diesel fuel blends. The emission of hydrocarbon (HC) tends to increase, while the emission of smoke and carbon monoxide (CO) were decreased when the engine was operated using dual fuel–ethanol diesel.

THE IMPACT OF IMPORT ON REGIONAL ECONOMIC GROWTH IN INDONESIA: A PROVINCIAL PANEL STUDY FROM 1995–2008 Dadang Ramdhan
Widyariset Vol 17, No 1 (2014): Widyariset
Publisher : Pusbindiklat - LIPI

Kajian mengenai pengaruh impor terhadap pertumbuhan ekonomi daerah di Indonesia masih jarang, begitu juga dengan penggunaan provinsi sebagai objek penelitian. Kajian ini penting untuk dilakukan dan menarik karena dapat mencari hubungan dan kontribusi impor terhadap pertumbuhan ekonomi daerah di Indonesia. Adanya dua kemungkinan dampak dari impor terhadap pertumbuhan ekonomi daerah, yaitu dampak positif dan negatif, mendorong penulis untuk melakukan kajian ini. Kajian ini menggunakan panel data dengan pendekatan OLS, Random Effect, dan Fixed Effect. Hasil kajian menunjukkan bahwa impor memiliki dampak positif terhadap pertumbuhan ekonomi daerah di Indonesia dan secara statistik signifikan. Akan tetapi, impor berkontribusi negatif terhadap pertumbuhan ekonomi daerah setelah satu tahun impor datang ke Indonesia.

IDENTIFYING PRECURSOR CONDITION FOR “PUTING BELIUNG” EVENT IN PANGKALPINANG - Siswanto; - Supari
Widyariset Vol 15, No 3 (2012): Widyariset
Publisher : Pusbindiklat - LIPI

This paper discusses an effort to identify the precursor condition for “puting beliung” or tornado-like eventwhich was occured in Pangkalpinang town on January 9, 2008. The analyses has been done based on the dynamicpipe effect of tornado genesis theory. Several data obtained from surface observation as well as the advantage ofsatellite data image were used to identify signal of presence of puting beliung. The result indicates that the putingbeliung event was triggered by the presence of low level wind shear which was supported by favorable surfacecondition such as the existing of enough water vapor aloft indicated by high relative humidity, enough surfaceheating to initiate a rapid cooling of the atmosphere to produce deep convection, and there is an initiation of alocal anomaly surface wind speed to produce low level wind shear. Revealed surface precursor for puting beliungin Pangkalpinang are the rapid increasing the relative humidity one hour in advance, together with rapid drop intemperature and the presence of “horn-like” pressure anomaly.

TANGGAP PERTUMBUHAN TANAMAN GANDUM TERHADAP NAUNGAN Gagad Restu Pratiwi
Widyariset Vol 13, No 2 (2010): Widyariset
Publisher : Pusbindiklat - LIPI

The aim of this research was to study the effects of shading intensity on growth of wheat. The research was designed with two factorials as a split plot. The first factor was the shading intensity and the second factor was thetime of shading. In addition, there was one treatment of without shading. The obtained data were analyzed by using the variance analysis and for the significant analysis treatment was contrast orthogonal and Duncan’s MultipleRange Test at the level significant 5%. The results showed that the shading treatment caused changes in micro environment around the crop. The 50% shading increased the vegetative phase of crop. In addition, the increasingintensity of shading also decreased rate transpiration, the number of fertile tiller per hill, and the number of spikes per square meter.

Page 26 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