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All Journal Jurnal Natur Indonesia Hunafa: Jurnal Studia Islamika Jurnal Ushuluddin eUREKA : Jurnal Penelitian Mahasiswa Teknik Sipil dan Teknik Kimia Review of Indonesian Economic and Business Studies Jurnal Benefita : Ekonomi Pembangunan, Manajemen Bisnis Dan Akuntansi Menara Ilmu JIIP (Jurnal Ilmiah Ilmu Pendidikan) V-MAC (Virtual of Mechanical Engineering Article) Al-Adyan: Journal of Religious Studies
Syaifullah Syaifullah
Jurusan Sistem Informasi Fakultas Sains dan Teknologi Universitas Islam Negeri Sultan Syarif Kasim Riau
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Industrial & Manufacturing Engineering Mathematics Mechanical Engineering Social Sciences Other

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RASIONALITAS DAN RELIGIUSITAS KAUM PEDAGANG DI PEDESAAN Syaifullah, Syaifullah
Jurnal Ushuluddin Vol 16, No 2 (2013): Juli - Desember 2013
Publisher : Jurnal Ushuluddin

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Abstract

Tulisan ini adalah ihktiar untuk menelusuri konflik batiniah para pedagang antara keimanan dan trik serta logika dagang. Logika dagang mengharuskan mencari keuntungan ynag sebesar-besarnya, sementara keimanan Islam mengharuskan sifat amanat, jujur dan nashihah bagi kaum pedagang. Di bidang perdagangan, rasionalitas diaktualisasikan dengan pengetahuan yang logis tentang perdagangan secara menyeluruh, meliputi informasi yang akurat tentang fluktuasi harga barang-barang, sumber-sumber permodalan, sistem distribusi modern, sistem pengkreditan, organisasi pedagang yang rasional dan sebagainya. Bahkan rasionalisme perdagangan juga mengesahkan sifat-sifat pragmatis dan kapitalisme yang menghalalkan segala cara untuk memperoleh keuntungan sebesar-besarnya, tanpa menghubungkannya dengan sistem keimanan. Terdapat pedagang lokal yang tidak berusaha merubah pola berniaganya dari tahun ketahun. Pedagang kios, pedagang kedai dan kaki lima masih tetap dengan pemahaman kaum jabariah tentang tawakal, sehingga tidak berusaha mengembangkan pola perniagaan yang lebih rasional dan menguntungkan. Persaingan dengan pedagang luar atau pedagang jarak jauh (Long Distance Traders), membuat mereka secara perlahan-lahan kehilangan pola kepemilikan (Power of Ownership) atas akses pasar, pola pengelolaan (Power of Management) dan penataan pasar, serta pola pengambilan pemanfaatan dan keuntungan (Power of Utility) dari arus jual beli di pasar desa mereka sendiri
ETIKA JUAL BELI DALAM ISLAM Syaifullah, Syaifullah
Hunafa: Jurnal Studia Islamika Vol 11, No 2 (2014): EKONOMI ISLAM
Publisher : State Institute of Islamic Studies (IAIN) Palu

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Abstract

Buying and selling is a means of mankind to meet the needs of each individual.On the one hand, the seller can be a buyer, and on the other hand, the buyer may be a seller,till he or she  meets  the latest buyer who acts as a consumer. Thus, buying and selling  can be very susceptible to manipulation to something desired by one party in order to gain benefit even beyond rational matter. Therefore, buying and selling in Islam cannot be separated from ethics. The ethics must be held by all parties in order to maintain public interest for all people. The purpose to eastablish a safe, peaceful, and honest market system in order to avoid wrong-doing system that can be detrimental to all partiesKata Kunci: Etika, Jual-Beli, ijāb-qabūl
PREDICTING INDONESIAN FINANCIAL CRISES USING THE ARTIFICIAL NEURAL NETWORK MODEL Syaifullah, Syaifullah
RIEBS Vol 4, No 1 (2013): Reviews of Indonesian Economic and Bussiness
Publisher : P2E-LIPI

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Abstract

This study offered a method for predicting crises in Indonesia using an artificial neural network (ANN) model. The empirical findings indicated that an ANN model would have performed well in predicting crises from 1971:1 to 1995:12 (in-sample) and from 1996:1 to 1998:12 (out-of-sample), namely the Asian Financial Crisis, which hit Indonesia in 1997--1998. The empirical results indicated that financial crises can be predicted and the application of the ANN model in predicting Indonesian financial crises is promising. Thus, the government can develop an ANN model to predict recurrent financial crises and use it to provide an early warning system.
ANALISIS STABILITAS DINDING PENAHAN DI RUAS JALAN NGANTANG KABUPATEN MALANG Syaifullah, Syaifullah; Suhudi, Suhudi; Rasidi, Nawir
eUREKA : Jurnal Penelitian Mahasiswa Teknik Sipil dan Teknik Kimia Vol 1, No 2 (2017)
Publisher : Universitas Tribhuwana Tunggadewi Malang

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Abstract

Soil as construction material as well as the foundation of a construction land or structures such as dams, embankments, retaining walls, buildings and bridges. In every construction requires a specific requirement in terms of both strength and economically. This study aimed to analyze and plan for a stable retaining wall on the stability of the shift, the overthrow and the carrying capacity by using Gravity Type On Roads Ngantang Locations in Malang. Calculation of earth pressure calculated using Rankine theory. Stability Analysis Results Retaining Walls with Gravity Type Dimensions: Width top (B1) 0.50 m, base width (B2) of 2.00 m and a total height (H + D) 14.00 m, which then did not secure the stability of the overthrow ( 0.4 1.5). Results Budget Plan (RAB) in the calculation of total fees earned USD 839 855 542, the cost of any work (m3) Rp 1,566,164.181, job retention costs (m) USD 27,995,184.73. Keywords: Analysis, Dimensional, Gravity Type Retaining Walls
KEKUATAN SUMBER DAYA MANUSIA DALAM MEMASARKAN PRODUK DAN DAMPAKNYA PADA KINERJA KARYAWAN ASURANSI JIWA DI PROVINSI KEPULAUAN RIAU Suhardi, Suhardi; Syaifullah, Syaifullah
Jurnal Benefita Vol 2, No 1 (2017): Jurnal Benefita : Ekonomi Pembangunan, Manajemen Bisnis & Akuntansi
Publisher : LLDIKTI Wilayah X

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (384.975 KB) | DOI: 10.22216/jbe.v2i1.1860

Abstract

The significance of life insurance products is not dependent on technological sophistication and the equipment used, but rather on the service of its Human Resources-based officers, therefore this research wants to see the strength of human resources in marketing the products and their impact on the performance of life insurance employees in the Province Riau Islands, so the purpose of this research is to know the influence of the power of human resources which variables in particular are work motivation, competence, work environment, compensation for organizational citizenship behavior (OCB) and performance of life insurance officer in Riau Islands Province. The sample of this research is 206 respondents with multystage sampling method and purposive sampling design. Data were collected using questionnaire with Likert scale and then analyzed with Structural Equation Modeling (SEM) through AMOS version 21 program. The result of analysis proved that the competence and work environment had no significant effect on the performance, and the competence also had no significant effect on organizational citizenship behavior (OCB). Significant effects in this study were: Work motivation for organizational citizenship behavior (OCB), work environment for organizational citizenship behavior (OCB), compensation for organizational citizenship behavior (OCB), work motivation on performance, compensation for performance, and organizational citizenship behavior (OCB) on performance.
Karakterisasi Morfologi Ikan Bujuk (Channa lucius) pada Perairan Danau Singkarak Sumatera Barat, Rawa Banjiran Tanjung Jabung Timur Jambi dan Rawa Banjiran Kampar Riau Azrita, Azrita; Syandri, Hafrijal; Dahelmi, Dahelmi; Syaifullah, Syaifullah; Nugroho, Estu
Jurnal Natur Indonesia Vol 15, No 1 (2013)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (647.8 KB) | DOI: 10.31258/jnat.15.1.1-8

Abstract

Overfishing, the use of unfriendly-environmental fishing gears, changes of environmental water conditions and diversity of habitats are threaten the continuity of Bujuk fish (Channa lucius) and generate the morphologycal diversity. Consequently, appropriate conservation efforts are needed to preserve the fish. The first phase of these efforts were done through morphological approach. The research was held in 2010 in Singkarak Lake West Sumatera Province, in floodplain, Pematang sub-district Lindung Mendahara Ulu Regency East Tanjung Jabung, Province of Jambi, and in floodplain Mentulik Regency Kampar Kiri Hilir Riau Province. The aims of the research were to analyze the morphological characteristic of the fish with Principal Component Analysis (PCA) and to determine the range of similarity between populations of the fish. Determination of the location of fish sampling was conducted by proposive sampling in which there were 30 samples for every research location. The measurement of the specimen was done by digital calipers on the left of the body, at 4 meristic characters and 19 morphometric characters. The data obtained were analyzed by One Way ANOVA and principal component analysis using Statistical software version 13. The results showed that based on the analysis of morphological characteristics of bujuk fish, populations that exist in Lake Singkarak were different from those of Pematang Lindung floodplain sub-district Mendahara Ulu Regency East Tanjung Jabung Jambi Province and Mentulik Regency floodplain Kampar Kiri Hilir Province Riau. The meristic difference was on the number of scales along the lateral line with a value of 0.783. While the main difference on morphometric characters were the snout length with a value of 0.848, and length of upper jaw with a value of 0.847. Thus, the study showed that the fish was isolated geographically into two groups, which were Jambi-Riau population and Singkarak Lake population.
ETIKA JUAL BELI DALAM ISLAM Syaifullah, Syaifullah
Hunafa: Jurnal Studia Islamika Vol 11 No 2 (2014)
Publisher : State Institute of Islamic Studies (IAIN) Palu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (166.114 KB) | DOI: 10.24239/jsi.v11i2.361.371-387

Abstract

Buying and selling is a means of mankind to meet the needs of each individual.On the one hand, the seller can be a buyer, and on the other hand, the buyer may be a seller,till he or she  meets  the latest buyer who acts as a consumer. Thus, buying and selling  can be very susceptible to manipulation to something desired by one party in order to gain benefit even beyond rational matter. Therefore, buying and selling in Islam cannot be separated from ethics. The ethics must be held by all parties in order to maintain public interest for all people. The purpose to eastablish a safe, peaceful, and honest market system in order to avoid wrong-doing system that can be detrimental to all partiesKata Kunci: Etika, Jual-Beli, ijāb-qabūl
STUDI EKSPERIMENTAL VARIASI SARINGAN UDARA KARBURATOR TERHADAP KINERJA MESIN SEPEDA MOTOR Syaifullah, Syaifullah; Rubiono, Gatut; Bunawi, Bunawi
Virtual of Mechanical Engineering Article Vol 1 No 1 (2016)
Publisher : Prodi Teknik Mesin Universitas PGRI Banyuwangi

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Abstract

Carburator air filter is an important part in automotive fuel system. Air filter is technicallymodified to increase the performance. This research is aimed to get the effect of air filter type due to motorcycle engine performance. The research is done by experiment using Suzuki Shogun 110 cc motorcycle. Air filter is vary as no filter, standard filter and modified filter. The engine is running at  1000,  2000,  3000  and  4000  rpm.  The  rotations  are  measured  with  tachometer.  Time  of  fuel consumption is measured for 10 ml gasoline. Experiments are conducted 3 times. The data is use to  get  fuel  consumption  and  engine  efficiency.  The  research  shows  that  carburator  air  filter  has effect due to engine performance. Modified filter has better performance than standard filter and no filter.
Nilai Dan Fungsi Tradisi Ziarah Di Dusun Kawangan Syaifullah, Syaifullah; Safitri, Eqlima Dwiana
Al-Adyan: Journal of Religious Studies Vol 2, No 1 (2021)
Publisher : Universitas Islam Negeri Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/al-adyan.v2i1.2520

Abstract

This paper is entitled Values and Functions of the Pilgrimage Tradition in Kawangan Hamlet, precisely in Ngadirejo, Temanggung, Central Java.  The aims of this study are: (1) Describing the factors of the perpetuation of the pilgrimage tradition in the village of Kawangan.  (2) Knowing the value and function of the pilgrimage tradition in the village of Kawangan in Bronislow Malinowski's theory of functionalism.  This study uses a qualitative method, described descriptively. Collecting data has done through field studies: interviews, observations, participant observers and literature studies.  The pilgrimage ritual in the village of Kawangan is still sustainable until now because of the local community trust, the loyalty to the ancestral heritage and the integrative needs.  While the values and functions of pilgrimage ritual are: (1) Religious Functions, (2) Social Functions, (3) Economic Functions and (4) Entertainment Functions.Tulisan ini berjudul Nilai dan Fungsi Tradisi Ziarah di Dusun Kawangan, tepatnya di Ngadirejo, Temanggung, Jawa Tengah. Tujuan dari penelitian ini yaitu; (1) memaparkan faktor-faktor langgengnya tradisi ziarah di dusun Kawangan; (2) mengetahui nilai dan fungsi tradisi ziarah di dusun Kawangan dalam teori fungsionalisme Bronislow Malinowski. Penelitian ini menggunakan metode kualitatif, dipaparkan secara deskriptif. Pengumpulan data melalui studi lapangan: wawancara, observasi, pengamatan terlibat (participant observer) dan studi pustaka. Ritual ziarah di dusun Kawangan tetap lestari sampai sekarang dikarenakan; kepercayaan masyarakat lokal, kesetiaan memegang teguh warisan leluhur dan kebutuhan integratif. Sementara nilai dan fungsinya adalah, (1) fungsi keagamaan, (2) fungsi sosial, (3) fungsi ekonomi dan (4) fungsi hiburan.
DIFERENSIASI MORFOMETRI FEJERVARYA LIMNOCHARIS (ANURA : RANIDAE) GRAVENHORST 1829 DI SUMATERA Fauzan, Fauzan; Tjong, Djong Hon; Syaifullah, Syaifullah
Menara Ilmu Vol 15, No 2 (2021): VOL. XV NO. 2 OKTOBER 2021
Publisher : LPPM Universitas Muhammadiyah Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31869/mi.v15i2.2946

Abstract

Sumatera merupakan salah satu pulau besar yang ada di Indonesia. Secara geografis pulau Sumatera terdiri dari pegunungan, lembah dan dataran rendah atau kawasan pantai, sehingga besar kemungkinan terjadi perbedaan pola adaptasi pada masing-masing daerah, kejadian ini akan menimbulkan tingginya variasi dan diferensiasi pada masing-masing populasi. Berdasarkan kondisi ini, dilakukan penelitian tentang diferensiasi morfometri Fejervarya limnocharis (Anura : Ranidae) Gravenhorst, 1829. Tujuan penelitian ini untuk mengetahui diferensiasi F. limnocharis (Anura : Ranidae) Gravenhorst, 1829 di Sumatera. Sampel dikoleksi pada beberapa daerah meliputi Langkat Sumatera Utara, Prapat Sumatera Utara, Padang Sidempuan Sumatera Utara, Padang Sumatera Barat, Alahan Panjang Sumatera Barat, Rokan Hilir Riau, Sungai Penuh Jambi, Muara Jambi, Semidang Bengkulu, Pagalaram Sumatera Selatan, Kota Bumi Bandar Bandar Lampung, kemudian dilanjutkan di Laboratorium Genetika dan Sitologi Jurusan Biologi Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Andalas Padang. Hasil penelitian memperlihatkan bahwa terdapat perbedaan morfometri yang sangat signifikan antar populasi. Karakter morfometri yang memperlihatkan perbedaan adalah diameter tympanum, jarak moncong sampai tympanum, panjang kaki depan, panjang kaki belakang. Populasi F. limnocharis yang berasal dari Alahan Panjang memiliki kaki belakang lebih panjang dibandingkan populasi lain.Kata Kunci: Populasi, karakter, kaki belakang, habitat
Co-Authors Azrita, Azrita Bunawi Bunawi, Bunawi Dahelmi Dahelmi Dharmayanda, Hardian Reza Djong Hon Tjong Estu Nugroho Fauzan Fauzan Gatut Rubiono Hafrijal Syandri Izzul Islam Nawir Rasidi Safitri, Eqlima Dwiana Suhardi Suhardi Suhudi .