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Arif Sofianto
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BAPPEDA PROV. JATENG Jl. Pemuda No.127-133, Kota Semarang, Jawa Tengah 50132 Telp. : (024) 351 5591, Fax. : (024) 354 6802 Email : bappeda@jatengprov.go.id, Website : http://bappeda.jatengprov.go.id
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Jurnal Litbang Provinsi Jawa Tengah
Published by Badan Perencanaan Pembangunan, Penelitian dan Pengembangan Daerah Provinsi Jawa Tengah
ISSN : 14129833     EISSN : 2548463X     DOI : https://doi.org/10.36762/jurnaljateng
Core Subject : Economy, Health, Education, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Education Public Health Social Sciences
Jurnal Litbang Provinsi Jawa Tengah merupakan media diseminasi hasil-hasil penelitian yang terkait dengan pembangunan daerah dan penyelenggaraan pemerintahan dan otonomi daerah secara luas. Fokus jurnal ini adalah hasil penelitian yang memberikan kontribusi pada percepatan pembangunan daerah di berbagai sektor serta peningkatan penyelenggaraan pemerintahan dan otonomi daerah. Jurnal ini diterbitkan 2 kali setahun dengan pemilahan fokus sebagai berikut: 1) Rumpun pengetahuan sosial meliputi fokus politik dan pemerintahan, hukum, kesehatan, pendidikan, sosial budaya, kesejahtaraan, dan perekonomian daerah. 2) Rumpun pengetahuan alam meliputi pertanian dalam arti luas, kelautan dan perikanan, kehutanan, pengelolaan sumberdaya alam, dan energi.
Arjuna Subject : Umum - Umum
Articles 10 Documents
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Search results for , issue "Vol 6 No 2 (2008): Jurnal Litbang Provinsi Jawa Tengah" : 10 Documents clear
MEMPERBAIKI KUALITAS DAN MENINGKATKAN EFISIENSI DAYA LISTRIK MELALUI BOOST RECTIFIER Slamet Riyadi
JURNAL LITBANG PROVINSI JAWA TENGAH Vol 6 No 2 (2008): Jurnal Litbang Provinsi Jawa Tengah
Publisher : Badan Perencanaan Pembangunan, Penelitian dan Pengembangan Daerah Provinsi Jawa Tengah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36762/jurnaljateng.v6i2.188

Abstract

Krisis energi yang disebabkan keterbatasan tersedianya bahan bakar minyak memberikan dampak pada berbagai sektor kehidupan termasuk dalam konsumsi energi listrik. Bahkan pemerintah menyarankan upaya penghematan listrik kepada para konsumen. Penghematan listrik bagi dunia industri dan perkantoran sangat sulit dilaksanakan terkait produktivitas sehingga langkah lain dalam menghemat energi listrik perlu disarankan. Secara teknis, energi listrik dimanfaatkan oleh konsumen untuk diubah menjadi daya nyata (kerja), tetapi dalam realisasinya energi listrik juga diubah menjadi daya reaktif (daya yang tidak menjadi kerja) sehingga akan menurunkan efisiensi pemanfaatannya. Peralatan listrik yang digunakan dalam sektor industri, perkantoran maupun aplikasi rumah tangga banyak didominasi peralatan yang membutuhkan tegangan searah. Karena sumber daya listrik yang tersedia (oleh PLN) adalah tegangan bolak-balik maka dibutuhkan penyearah. Penyearah tradisional yang memanfaatkan dioda dan thyristor banyak digunakan karena kesederhanaan, tetapi merupakan pembangkit harmonisa yang mengakibatkan distorsi sehingga akan menurunkan kualitas daya listrik yang dapat menyebabkan dampak negatif terhadap peralatan lain yang terpasang pada instalasi. Dalam penelitian ini dikaji suatu langkah untuk memperbaiki kualitas dan meningkatkan efisiensi energi listrik melalui reduksi daya reaktif dan harmonisa. Langkah eliminasi daya reaktif dan harmonisa dilakukan oleh boost rectifier yang bekerja sebagai penyearah berunjuk kerja tinggi. Penyearah jenis ini mampu menyediakan tegangan searah yang teregulasi baik dengan tetap menyerap arus sumber sinusoidal sehingga distorsi arus sumber minimal. Kondisi demikian dapat meningkatkan kualitas daya listrik. Dengan hasil peneltian ini, langkah penghematan energi listrik secara signifikan dapat dilakukan tanpa mengurangi produktivitas dan kualitas daya dapat dijaga tetap baik sehingga dampak negatif terhadap peralatan lain mampu direduksi.
PENERAPAN KECAKAPAN HIDUP (LIFE SKILL) PADA MATA PELAJARAN BATIK JUMPUT DI SEKOLAH DASAR Yuyarti Yuyarti
JURNAL LITBANG PROVINSI JAWA TENGAH Vol 6 No 2 (2008): Jurnal Litbang Provinsi Jawa Tengah
Publisher : Badan Perencanaan Pembangunan, Penelitian dan Pengembangan Daerah Provinsi Jawa Tengah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36762/jurnaljateng.v6i2.189

Abstract

This research is the class research act that used the cycle of planning, actuating, observation and reflection. The background of the research problem with the application of life skill to the batik jumput subject where has been done yet in the elementary school, the quality of learning in the elementary school still low, the learning tend to teoritical and lack of relation to the factual world and the student less aplicatif. While the aim of this research are (1) to make the model structure learning with the application of life skill to the batik jumput subject in the elementary school (2) to increase the student learning achievement (3) to develop the student activity or life skill and (4) analize the teacher skill in the maintain the learning process. The technique of collecting data in this research used the test sheet i.e to reveal the student achievement in learning process. Observation sheet to analize the activity and the ability of teacher in the maintain learbing activity. The result that get in the application of skill life to the batik jumput subject can increase the student learning achievement, the student and teacher competent in maintain the learning process. The student have desire to develop what they have been practice to be provision next if they don`t continue the education to the high label. With the simple work is the provision of life skill i.e skill self, social skill, academic and vocational is the prove that has been produce the product of batik jumput from the natural colour. According to the result of research it is advised to the teacher in elementary school in the batik jumput learning with the material immerse batik ikat it is hope to find the concepts that they learn according to the local domain so the learning more meaningful.
PENYEDIAAN BROODSTOCK IKAN LELE DUMBO (Clarias gariepinus) MENGGUNAKAN TEKNOLOGI LASERPUNKTUR SEBAGAI UPAYA PENYEDIAAN BENIH SKALA MASSAL Pungky Slamet Wisnu Kusuma
JURNAL LITBANG PROVINSI JAWA TENGAH Vol 6 No 2 (2008): Jurnal Litbang Provinsi Jawa Tengah
Publisher : Badan Perencanaan Pembangunan, Penelitian dan Pengembangan Daerah Provinsi Jawa Tengah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36762/jurnaljateng.v6i2.193

Abstract

The aim of this research was to increase growth rapid, maturity, and shorthening catfish reproduction cycle in order to produce catfish’s broodstock continously, specially in Boyolali regency. Research was carried out at Janti, Klaten from July to November 2007. The research was an experimental research which tested two groups. One group is control group that used catfish without any treantment, and the other is a group of catfish which is treated by laser. Parameters used in this research are the growth of catfish, Gonad Maturity Index, Gonad Maturity Level, time of maturity and reproduction cycle. Data was analyzed by descriptive analysis and t test. The results show that soft laser shooting on the governoer vessel of catfish would give influence in catfish’s growth, Gonad Maturity Index, Gonad Maturity Level, time of maturity and reproduction cycle. The use of laser shooting not depend on season.
KELAYAKAN BAHAN AJAR BERBASIS TEKNOLOGI PADA MATA PELAJARAN MATEMATIKA Trimurtini Trimurtini
JURNAL LITBANG PROVINSI JAWA TENGAH Vol 6 No 2 (2008): Jurnal Litbang Provinsi Jawa Tengah
Publisher : Badan Perencanaan Pembangunan, Penelitian dan Pengembangan Daerah Provinsi Jawa Tengah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36762/jurnaljateng.v6i2.194

Abstract

The teaching material based on technology that have been made and studied were teaching material which are completed with technology application related with subject matter. Technology application can be applied in daily life and also other sciences. Research area covers mathematics material of VII grade of Junior High School. The aims of this research are: (1) Identifying technology application which can be related with mathematics study materials, (2) Describing the forms of mathematics teaching aid based on technology, (3) To know the feasibility of mathematics teaching aid based on technology that was completed with contextual problem, so it can raise student’s motivation. The data collected by documentation, observation and questionnaire. Then the data analyzed trough 3 stages: reducing data, presenting data and verification, and also with descriptive analysis qualitative. The results of the research are: (1) Technology application that can be related with the study of mathematics subject matter is technology in daily life and also is a mathematics concept application in other concepts or other sciences. Technology application that related with subject materials in the teaching aid can be presented in the beginning or in the exercises. (2) Description of mathematics teaching materials forms are technology application from the materials which are fulfilling the curriculum criteria suitable with content standard, (3) Teaching aid based on technology completed with contextual problems in daily life and mathematics concept application in other concepts as a form of technology application can fulfilling eligibility test, that covering material aspect, material presentation aspect and language aspect.
PENGARUH PERBEDAAN WAKTU PENAHANAN SUHU STABIL (HOLDING TIME) TERHADAP KEKERASAN LOGAM Margono Margono
JURNAL LITBANG PROVINSI JAWA TENGAH Vol 6 No 2 (2008): Jurnal Litbang Provinsi Jawa Tengah
Publisher : Badan Perencanaan Pembangunan, Penelitian dan Pengembangan Daerah Provinsi Jawa Tengah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36762/jurnaljateng.v6i2.196

Abstract

Hardening was attaching to steel to get high resistance, strengthens, and better fatigue limit. This hardening was done in few steps such, pre-treatment, treatment, holding time and cooling. The reach hardness depends on material carbon content, treatment temperature, holding time and rapid cooling. The hardness of Amuntit steel depends on the holding time factor. Holding time is the time which is material needs to get homogeneities in the same temperature. The experiment shows that the hardness increase in the first ten minutes holding time, from 34,24 HRC to 60,08 HRC. And 62,693 HRC at 20 minutes later, 64,52 HRC at 30 minutes later, and reach the maximum hardness 65,146 HRC at the last 40 minutes holding. The conclusion of this experiment is holding time influences the hardness beside the treatment of temperature and cooling rapid. So, we can decide the hardness we take by the holding time factor.
KORELASIONAL ANTARA SOSIAL-EKONOMI, HUKUM DAN MANAJEMEN DENGAN KUALITAS HUTAN MANGROVE DI KABUPATEN PEMALANG Sri Puryono KS
JURNAL LITBANG PROVINSI JAWA TENGAH Vol 6 No 2 (2008): Jurnal Litbang Provinsi Jawa Tengah
Publisher : Badan Perencanaan Pembangunan, Penelitian dan Pengembangan Daerah Provinsi Jawa Tengah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36762/jurnaljateng.v6i2.197

Abstract

The roles of mangrove forest both physic and biologic can not changed by other ecosystem. On the other side, the condition of mangrove forest is in critical damage now. Many factors that caused the damage of mangrove forest have been studied. This research was to know the dominant factors that influence to quality of mangrove forest by describing social economy correlation, law and management. Qualities of social-economy, law and management both separate and together most has relation with quality of mangrove forest. The social-economy variable show that there is strongly correlation to quality of mangrove forest (R = 0,615), law variable (R= 0,727) and management variable (0,820). While as together the three of those variables have strongly correlation (R= 0,927) to quality of mangrove forest.
MODEL PENGEMBANGAN KEBIJAKAN MUTU DAN KEAMANAN PRODUK PERIKANAN DI PROVINSI JAWA TENGAH Tri Winarni Agustini; Putut Hai Riyadi
JURNAL LITBANG PROVINSI JAWA TENGAH Vol 6 No 2 (2008): Jurnal Litbang Provinsi Jawa Tengah
Publisher : Badan Perencanaan Pembangunan, Penelitian dan Pengembangan Daerah Provinsi Jawa Tengah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36762/jurnaljateng.v6i2.199

Abstract

Problems encountered on quality and safety of fisheries products covers the variety of product, processing step and also different areas including the use of hazardous material and its source with different characteristics. Such discrepancies are due to several aspects including technical, economic, social culture and institution. It is necessary to conduct study on implementation quality and safety policy of fisheries product in order to produce developed model on quality and safety policy of fisheries products. In overall, this research was aimed to produce recommendations related to development on quality and safety policy of fisheries products at Central Java Province. Important aspects studied during this research were incorrect handling and processing aspect related to utilization of food additives which was considered as one important aspect on quality and safety of the products. Apart from this, social culture, economic, institution and policies aspects were also considered. Research method used was case study. Data were analyzed by qualitative method. There was evidence on utilization of illegal chemical substances (formalin) during handling and processing of fresh fish and salted – dried fish products at 5 research areas, which were Tegal, Pati, Rembang (for fresh fish), and Tegal, Semarang, Pati, Rembang, Cilacap (for salted dried product). Hydrogen peroxide (H2O2) was obviously used on salted- dried fish of Cilacap. Synthetic colour of Rhodamin B was applied on terasi (fermented product) at Pekalongan and Pati. On the other hand, there was no evidence of borax on fish/prawn crackers observed at all research areas. Processing abuse related to utilization of food additives on fresh fish and processed fish products were affected by technical economic, social – culture, institution and policies aspects. Developed model on quality and safety policies of fisheries products can be done by development of alternative natural food additives, implementation of quality standard, improvement on marketing chain especially for chemical man power development, harmonization and control system development involving related institution.
PENGARUH KECEPATAN GERAK DAN DAYA PEMANCAR PADA MESIN PENGERING KAYU YANG MENGGUNAKAN GELOMBANG MIKRO Darmawan Utomo
JURNAL LITBANG PROVINSI JAWA TENGAH Vol 6 No 2 (2008): Jurnal Litbang Provinsi Jawa Tengah
Publisher : Badan Perencanaan Pembangunan, Penelitian dan Pengembangan Daerah Provinsi Jawa Tengah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36762/jurnaljateng.v6i2.201

Abstract

Conventional wood drying by the method of using hot air as a heating agent have a major weakness, it takes a long time to completely dry some wood. Usages of microwave as a wood dryer are commonly fast, but the device available in the market are not suitable for Indonesian wood characteristics. There for a prototype of microwave driven wood dryer has been built with the emitting power of two 800 watts microwave transmitter, adjustable power output, using conveyor as feeder with adjustable speed. The machine has been tested to do some research on the impact of giving speed and giving power of 100, 80 and 60 percent on local wood, such as Teak, Mahogany and Cedar wood. The wood samples that is used has a measurement of height is 2,5 cm and 5 cm, wide 5 cm, and length of 25 cm and 50 cm. From the experiment, a result has been archived that movement speed affect average evaporation speed per microwave transmitter, for Teak, Mahogany and Cedar is in corresponding order, is 4.09, 5.22 and 3.32 grams/minutes (on 100 percent power), 3.18, 4.45 and 3.56 grams/minutes (on 80 percent power) and 2.98, 3.98 and 3.32 grams/minutes (on 60 percent power). From the water evaporation value can be concluded that in order to evaporate 1 kg water from Teak wood, it requires 4 kWh of energy at 100 percent power outage.
WACANA INTERAKSIONAL KEBIJAKAN HARGA GABAH DAN BERAS Akmal Afif Fatah Yasin
JURNAL LITBANG PROVINSI JAWA TENGAH Vol 6 No 2 (2008): Jurnal Litbang Provinsi Jawa Tengah
Publisher : Badan Perencanaan Pembangunan, Penelitian dan Pengembangan Daerah Provinsi Jawa Tengah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36762/jurnaljateng.v6i2.202

Abstract

Interactional discourse in media is the important term that may cause the failure on policy implementation. The aim of this study is to discover the interaction among actors of the discourse construction that they can achieve their needs to accommodate in grain and rice price policy. This study was based on the method of Teun A. van Dijk discourse analysis model. This research explains a critical perspective on food policy in liberalization era which had strong relation to the power of discourse and it determined the food prices as well. Discourse in media also has opportunity for catalyst and social engineering policy. We need to minimize hegemony of actors in order to avoid semiotic violence. This study concludes, they wish to a chieve that the food policy maker should pay attention to the interactional discourse in media if the grain and rice price policy implementation.
MEKANISME DAN KINERJA PADA SISTEM PERONTOKAN PADI Heny Herawati
JURNAL LITBANG PROVINSI JAWA TENGAH Vol 6 No 2 (2008): Jurnal Litbang Provinsi Jawa Tengah
Publisher : Badan Perencanaan Pembangunan, Penelitian dan Pengembangan Daerah Provinsi Jawa Tengah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36762/jurnaljateng.v6i2.203

Abstract

Efficiency is the main factor which contributes in choosing the type, system and tool supporting paddy post harvesting. One step of post harvest process is paddy threshing. Inefficiency in paddy threshing caused 5% losses. Factors which contribute in capacity and the work of paddy thrasher are paddy variety, post harvest system, threshing mechanism, delay threshing and harvest lost factor. Actually, paddy threshing system divided into three categories such as traditional threshing with gebot, pedal thresher and power thresher machine. Further study in paddy threshing is needed to know about mechanism, the work and the factors which influence threshing.

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