bluuebunny/crossref_metadata_2025_split huggingface dataset:
Hasil Belajar Siswa Pada Materi Peluang Melalui Model Connected Mathematics Project Di Kelas VIII
Authors: Rupalestari Desty , Hartono Yusuf , Hapizah Hapizah 
Published: September 2018

Penelitian ini merupakan penelitian deskriptif yang bertujuan untuk mengetahui hasil belajar siswa pada materi peluang setelah diterapkan model pembelajaran Connected Mathematics Project (CMP) di kelas VIII. Subjek penelitian adalah siswa kelas VIII.1 SMPN 1 Palembang yang terdiri dari 29 orang. Teknik pengumpulan data yang digunakan, yaitu tes tertulis yang terdiri dari tiga soal uraian dan wawancara sebagai pendukung data tes. Hasil penelitian menunjukkan bahwa hasil belajar siswa pada materi peluang secara keseluruhan dikategorikan baik dengan rata - rata adalah 76,09, dengan rincian siswa terkategori sangat baik sebanyak 20,69%, terkategori baik sebanyak 44,83%, terkategori cukup sebanyak 24,14%, dan terkategori kurang sebanyak 10,34%. Siswa yang terkategori sangat baik dan baik secara keseluruhan mampu menentukan peluang kejadian dengan mencari banyak ruang sampel dan kejadian suatu percobaan dengan baik. Sedangkan siswa yang terkategori cukup dan kurang masih belum mampu menentukan peluang kejadian yang disebabkan oleh kesalahan dalam menentukan banyak ruang sampel dan kejadian suatu percobaan.
Kata kunci: hasil belajar; CMP; peluang
This research is a descriptive research that aims to find out student learning outcomes in material of probability after applying model of learning namely Connected Mathematics Project (CMP) in class VIII. The subjects of this research were students of class VIII.1 from SMPN 1 Palembang which consists of 29 students. Technique of collecting data that used on this research were written test which consist of three essay question and interview as a supporter of test data. The research results shows that student learning outcomes in the material of probability overall are categorized good with the average is 76.09, with categorized of excellent students as much as 20.69%, good categorized as much as 44.83%, enough categorized as much as 24.14% , and the low categorized as much as 10.34%. Students who are categorized excellent and good, overall are able to determine the probability of the event by finding sample space and events of an experiment well. While students who are categorized enough and low still have not been able to determine the probability of events caused by errors in determining the sample space and the event of an experiment.
Keywords: learning outcomes; CMP; probability
Kemampuan Pemodelan Matematika Siswa Dengan Strategi Scaffolding With A Solution Plan Pada Materi Trigonometri Di Kelas X SMAN 2 Palembang
Authors: Nuryadi Ardi , Santoso Budi , Indaryanti Indaryanti 
Published: September 2018

Penelitian ini bertujuan untuk mendeskripsikan kemampuan pemodelan matematika siswa setelah diterapkannya pembelajaran dengan strategi scaffolding with a solution plan. Penelitian ini merupakan jenis penelitian deskriptif kuantitatif dengan subjek penelitian siswa kelas X IPS 2 SMAN 2 Palembang yang berjumlah 28 siswa. Teknik pengumpulan data dilakukan dengan tes tertulis yang terdiri atas empat soal uraian untuk mengukur kemampuan pemodelan matematika siswa. Soal tes disusun dengan mengacu pada indikator kemampuan pemodelan matematika. Berdasarkan hasil penelitian didapatkan bahwa kemampuan pemodelan matematika siswa kelas X IPS 2 SMAN 2 Palembang berada pada kategori baik dengan rincian sebagai berikut: 9 siswa berkategori sangat baik; 11 siswa berkategori baik; 5 siswa berkategori cukup; 2 siswa berkategori kurang; dan 1 siswa berkategori sangat kurang.
Kata kunci: kemampuan pemodelan matematika; scaffolding with a solution plan
This study aims to describe the ability of students' mathematical modeling after the implementation of learning with a scaffolding with a solution plan strategy. Type of the research is quantitative descriptive research with research subjects of class X IPS 2 of SMAN 2 Palembang totaling 28 students. Data collection techniques were carried out with a written test consisting of four description questions to measure students' mathematical modeling abilities. Test questions were prepared by referring to indicators of mathematical modeling abilities. Based on the results of the study, it was found that the mathematical modeling ability of class X IPS 2 of SMAN 2 Palembang was in a good category with following details: 9 students are in very good category; 11 students are in good category; 5 students are in enough category; 2 students are in low category; 1 student is in very low category.
Keywords: mathematical modeling ability; scaffolding with a solution plan
Pengaruh Model Pembelajaran Aptitude Treatment Interaction Terhadap Kemampuan Komunikasi Matematika
Authors: Lestari Indah 
Published: September 2018

Penelitian ini bertujuan untuk mengetahui perbedaan kemampuan komunikasi matematika peserta didik yang memperoleh pembelajaran Aptitude Treatment Interaction dan ekspositori. Penelitian ini dilakukan pada mahasiswa program studi Pendidikan Matematika Universitas Indraprasta PGRI. Metode penelitian yang digunakan adalah eksperimen dengan jumlah sampel sebanyak 50 responden. Variabel bebas dalam penelitian ini adalah model pembelajaran yaitu Aptitude Treatment Interaction dan ekspositori, sedangkan variabel terikat adalah kemampuan komunikasi Matematika. Teknik pengolahan data dengan menggunakan uji beda 2 rata-rata. Hasil penelitian menunjukkan bahwa penerapan model pembelajaran Aptitude Treatment Interaction mempengaruhi kemampuan komunikasi matematika.
Kata kunci: Aptitude Treatment Interaction; komunikasi; matematika
This research aims to know the differences of mathematical communication ability of learners who acquire Aptitude Treatment Interaction and exspository learning model. This research was conducted on student of Mathematics Education Study Programme at University of Indraprasta PGRI. The research method used was experiment with sample number of as many as 50 respondents. Independent variables in this study were models of learning, namely Aptitude Treatment Interaction and expository, while dependent variable is the ability of mathematical communication. Data processing techniques used was comparing the mean of two population. The results showed that the application of Aptitude Treatment Interaction learning model affects the ability of mathematical communication.
Keywords: Aptitude Treatment Interaction; communication; mathematics
Kemampuan Konservasi Panjang Pada Siswa Usia 6-7
Authors: Ramda Apolonia Hendrice , Prahmana Rully Charitas Indra , Mulu Hildegardis , Gunur Bedilius 
Published: September 2018

Penelitian ini bertujuan untuk mendeskripsikan kemampuan konservasi panjang pada siswa yang memiliki usia 6-7 tahun di Kabupaten Manggarai. Penelitian ini merupakan penelitian deskriptif kualitatif dengan sampel yang diambil secara acak sejumlah 80 anak. Siswa yang berusia 6 tahun berjumlah 40 anak, begitu juga dengan siswa yang berumur 7 tahun, yang diambil dari SD di Kabupaten Manggarai. Instrumen yang digunakan dalam penelitian ini berupa angket konservasi panjang yang berisi pernyataan-pernyataan mengenai berbagai kondisi yang menjelaskan konsep konservasi panjang. Setiap anak diberi tes kemampuan konservasi panjang kemudian dilanjutkan dengan wawancara mengenai alasan memberi jawaban pada tes konservasi tersebut. Hasil penelitian menunjukkan bahwa golongan konserver pada siswa yang berusia 6 tahun sebesar 0% dan 7 tahun sebesar 7,5%. Selanjutnya, golongan konserver parsial pada siswa yang berusia 6 tahun sebesar 7,5% dan 7 tahun sebesar 22,5%. Selain itu, untuk golongan non-konserver pada siswa yang berusia 6 tahun sebesar 92,5% dan 7 tahun sebesar 70%. Hasil ini menunjukkan kemampuan konservasi panjang pada siswa yang memiliki usia 6-7 tahun di Kabupaten Manggarai masih rendah dan sebagian besar belum memahami konsep konservasi panjang.
Kata kunci: konservasi panjang; siswa usia 6-7 tahun; deskriptif kualitatif
The purpose of this study was to describe the ability of Manggaraian children of age six to seven in length conservation area. This research is a qualitative descriptive study. The random sampling technique was used to select 80 children, consisted of 40 children per age. The instrument of this research was a length conservation questionnaire containing statements about conditions that explain the concept of length conservation. Each child was given a length conservation skill test followed by an interview about the reasons for providing answers to the conservation test. The results showed that none of the six-year-old children was conserver, only 7.5% were partial conserver, and 92.5% were non-conserver. For seven-year-old children, 7.5% were conserver, 22.5% were partial, and 70% were non-conserver. These results indicate the lengthy-term conservation ability of children age six to seven in Manggarai Regency is still low and most have not understood the concept of length conservation.
Keywords: length conservation; student of age 6 to7; qualitative descriptive
Program Dinamis Pada Penentuan Rute Kendaraan Dengan Time Windows
Authors: Fera Mirta , Endrayanto Irwan 
Published: September 2018

Penentuan rute armada merupakan salah satu permasalahan optimisasi kombinatorik yang memiliki pengaruh pada distribusi barang. Pengiriman barang cepat busuk (perishable good) seperti produk darah, dengan karakteristik jarak tempuh yang pendek memungkinkan untuk dilakukan dengan satu kendaraan. Terdapat kendala time windows pada pelanggan dan depot yang membatasi pengiriman. Masalah penentuan rute dalam penelitian ini dipandang sebagai single vehicle routing problem dengan time windows. Penelitian ini bertujuan untuk mendeskripsikan algoritma yang ditulis berdasarkan program dinamis untuk masalah penentuan rute kendaraan dengan time windows. Pada algoritma diterapkan tes yang bertujuan meningkatkan performa algoritma. Pada bagian akhir diberikan contoh penyelesaian masalah penentuan rute kendaraan dengan time windows menggunakan algoritma.
Kata kunci: penentuan rute kendaraan; program dinamis; algoritma eksak
Routing problem is kind of combinatoric optimization problem that has an influence on the distribution of goods. Delivery of perishable good such as blood products with short travel characteristics makes it possible to do with one vehicle. There are time-windows constraints on customer and depots that limit delivery. This research aims to describe algorithms written based on dynamic programs for the problem of determining vehicle routes with time windows. In the algorithm applied a test that aims to improve the performance of the algorithm. In the end, given an example of solving the problem of determining a vehicle route with time windows using an algorithm.
Keywords: vehicle routing problem; dynamic programming; exact algorithm
Implementasi Model Experiential Learning Pada Materi Kelipatan Persekutuan Terkecil dan Faktor Persekutuan Terbesar Kelas IV
Authors: Rodliyah Iesyah , Saraswati Sari , Sa'adah Nihayatus 
Published: September 2018

Artikel ini adalah bagian dari penelitian besar pada pengembangan perangkat pembelajaran dengan strategi experiential learning berbasis game. Penelitian ini bertujuan untuk mendeskripsikan pelaksanaan strategi experiential learning pada materi KPK dan FPB di kelas IV. Model pembelajaran experiential learning ini dibuat dalam sebuah permainan yang dinamakan dengan Joyfull Clap Number untuk materi Kelipatan Persekutuan Terkecil (KPK) dan Magic Bag untuk materi Faktor Persekutuan Terbesar (FPB). Metode penelitian yang digunakan adalah kualitatif dengan model 4D yang kepanjangan dari define (pendefinisian), design (perancangan), develop (pengembangan) dan disseminate (penyebaran). Penelitian ini fokus pada deskripsi hasil disseminate. Teknik pengumpulan data diperoleh melalui lembar kerja siswa, observasi, rekaman video dan catatan lapangan. Teknis analisis data dilakukan dengan mengungkap data hasil rekaman video yang diperoleh selama penelitian selanjutnya dianalisa dan dikaitkan dengan teori yang digunakan. Subjek penelitian ini adalah siswa kelas IV SD di MI Makarimul Akhlaq dan MI Al Asy’ari. Hasil penelitian menunjukkan bahwa siswa dapat membentuk konsep dasar KPK dan FPB melalui strategi experiential learning selama proses pembelajaran.
Kata kunci: implementasi pembelajaran; experiential learning; KPK; FPB
This article is part of a large development research with experiential learning using a game-based strategy. The aim of this research is to describe experiential learning on mathematics in LCM and GCD material for students of grade IV. Experiential learning was designed through a game which is called Joyfull Clap Number for Least Common Multiple (LCM) and Magic Bag for Greatest Common Divisor (GCD). The method was qualiative research using 4D model consisting of define, design, develop and disseminate. This research focused on the result of disseminate. Data were collected by spreading worksheet, conducting observation, video recording, and taking notes. Data were analized by expressing the video result during conducting experiential learning then analyzing and correlating the data with theory. The subject in this research were students in grade IV from MI Makarimul Akhlaq and MI Al Asy’ari. The result shows that students can construct the concept of LCM dan GCD.
Keywords: learning implementation; experiential learning; LCM; GCD
Biological Co-existence of the Microalgae – Bacteria System in Dairy Wastewater using photo-bioreactor
Authors: Ibrahim Arwa Raad , Abdulmajeed Basma Abbas 
Published: September 2018

Aeration system in the cultivation of Chlorella Sp. Microalgae using dairy wastewater as culture media was addressed in the current study. This research aimed to study the effect of aeration in the bubble column bioreactor on the biological synergy between microalgae and bacteria if they are present in the same place. The results show that the sterilization stage is not the dominant step in the success of microalgae cultivation in water-rich organic waste. There is a clear convergence between the growth rate of Chlorella microalgae in the sterilized and non-sterilized culture media, which gives realism if the proposal is applied industrially. Through the information obtained the aerobic bacteria in the non-sterilized media, with free of algae, are able to consume all dissolved oxygen within a very short period of time. The aeration factor is, therefore, important in that case. However, the experiments show that co-existence of bacteria and microalgae can occur even if there is no aeration system. Consequently, the microalgae in the dairy wastewater are capable of preserving the environment of cultivation. The gases produced due to metabolic processes in bacteria or microalgae remain in solution for a certain period and are not easily removed, especially if the solution is exposed to intermittent sparging. Thus, this will give enough time for both microorganisms to consume those gases. However, the results show that the sparging system for 15 minutes and three times a day improves biomass production by 60%. Therefore, the cultivation of microalgae in addition to its desired goal can play an important role in the dairy wastewater treatment units by maintaining the appropriate environment for aerobic bacteria even in the absence of an aeration system.
Torque and Drag Forces Problems in Highly Deviated Oil Well
Authors: Neamah Hasan Ali , A.Alrazzaq Ayad A.Alhaleem 
Published: September 2018

Excessive torque and drag can be critical limitation during drilling highly deviated oil wells. Using the modeling is regarded as an invaluable process to assist in well planning and to predict and prevent drilling problems. Identify which problems lead to excessive torque and drag to prevent cost losses and equipment damage. Proper modeling data is highly important for knowing and prediction hole problems may occur due to torque and drag and select the best method to avoid these problems related to well bore and drill string. In this study, Torque and drag well plan program from landmark worldwide programming group (Halliburton Company) used to identify hole problems.one deviated well in Zubair oil fields named, ZB-250 selected for analyses the effect of friction factor on torque and effective `tension of the drill string along well depth, moreover the effect of well bore problems such as; mud losses, accumulation of cutting bed in the well bore, stuck pipe, caving, sloughing, high torque and drag values on drill string components and well trajectory. Wells data which include hole section size, mud properties, well profile survey, casing string depth, rig specification, drill string components, drilling parameters like weight on bit, rotary speed and flow rate were used to compare between planning and drilling stages for these wells and identify the reasons of difference between these stages. The results showed a difference for the drilling phase and increasable in effective tension, torque, pick up and slack off drag, measured string weight, and possibility to occur the buckling if compare with planning phase. Wellbore instability, high friction factor, high tortuosity, high flow rate ,stuck pipe , excessive drag spot, partial to total losses, increase of drilling parameters, hard formations and bad hole cleaning, all these factors yield to this difference between planning and actual phases. When drilling hole section 8.5", the main causes of varying were drilling fluid losses, high value of friction factor, stuck pipe and friction forces when the maximum torque was (16 to 20 klb-ft) and pick up weight (20-40 klb)
Penambahan Layanan pada Firmware DD-WRT untuk Wireless Router Linksys WRT160NL
Authors: Lokananta Felix , Nugroho I. Hargyo Tri 
Published: October 2018

Jaringan wireless LAN banyak digunakan dalam perkantoran yang memberikan keuntungan seperti Samba Server, Printer, Squid Server, dan Torrent Client. Namun pada umumnya dibutuhkan paling tidak sebuah komputer untuk menjalankan layanan-layanan tersebut. Dalam jaringan wireless LAN dibutuhkan perangkat wireless router yang dilengkapi dengan firmware agar bisa berjalan dengan baik. Firmware DD-WRT dinyatakan sebagai firmware open source yang memberikan keleluasaan kepada user untuk menambahkan layanan pada sebuah wireless router. Penelitian ini bertujuan untuk mempelajari penambahan layanan pada wireless router berbasis DDWRT serta menguji kinerja layanan yang ditambahkan tersebut pada wireless router. Hasil pengujian menunjukkan DD-WRT dapat digunakan sebagai firmware alternatif untuk memenuhi kebutuhan layanan pada skala kecil. Namun, penambahan layanan ini harus memperhatikan spesifikasi wireless router.
Keywords—DD-WRT, wireless router, firmware, samba, squid
Membingkai Teknologi Komputasi Awan: Perspektif Wartawan
Authors: Irwansyah Irwansyah 
Published: October 2018

Tahun 2011 merupakan erabaru teknologi komputasi awan (Cloud Computing). Teknologi komputasi awan adalah solusi teknologi informasi dan komunikasi yang memberikan kosempatan kepada konsumen untuk dapat menyewa layanan teknologi dari penyedia (provider). Penyedia memberikan jasa pengelolaan infrastruktur , platform, dan aplikasi jasa teknologi informasi sehingga memudahkan konsumen tanpa harus berinvestasi. Hanya saja, ketika media baik media massa cetak dan media online menyebarluaskan informasi tentang teknologi komputasi awan, yang terjadi adalah penggunaan istilah-istilah teknologi yang berada pada level pakar (expert sphere) yang sulit dimengerti oleh masyarakat luas. Analisis yang digunakan adalah tiga kategori teknologi komputasi awan seperti Platform as a Service (Paas), Infrastructure as a Service (Iaas), dan Software as a Service (Saas); dua lapisan model Arnold Pacey seperti lapisan pakar (expert sphere) dan pengguna (user sphere) dalam pemanfaatan teknologi;dan dua pendekatan dari Arnold Pacey tentang pendekatan obyek (object approach) dan manusia (human approach). Dengan metode analisis isi diperoleh bahwa pemberitaan tentang teknologi komputasi awan lebih banyak pada kategori Paas, expert sphere, dan object approach. Kemudian penelitian ini memperlihatkan adanya kecenderungan penggunaan bahasa dan tulisan wartawan yang tidak seimbang. Dengan menggunakan analisis framing, penelitian ini memperlihatkan adanya bingkai tertentu yang dilakukan oleh wartawan dalam menulis artikel dan berita terkait dengan teknologi komputasi awan.
Kata kunci : Teknologi Komputasi Awan, Level Pakar dan Pengguna, Pendekatan Obyek dan Manusia, Bingkai Media
Effects of blueberry leaf and stem extracts on hepatic lipid levels in rats consuming a high-sucrose diet
Authors: Matsuura Yasushi , Sakakibara Hiroyuki , Kawaguchi Maho , Murayama Emi , Yokoyama Daigo , Yukizaki Chizuko , Kunitake Hisato , Sakono Masanobu 
Published: September 2018

Background: Blueberry stems, a by-product of blueberry leaf tea production, are typically discarded. We evaluated the effects of hot-water extracts of rabbiteye blueberry (Vaccinium virgatum Aiton; RB species) leaves and stems on hepatic lipid levels in rats consuming a high-sucrose diet.Methods: Male Sprague-Dawley rats were divided into groups that received a control high-sucrose diet alone or supplementation with 2.0% blueberry leaf extract or 0.5% or 2.0% blueberry stem extract. Blood and hepatic lipid levels, hepatic lipogenic enzyme activity, and hepatic quercetin metabolites were evaluated after 28 days of ad libitum consumption.Results: Supplementation with the extracts did not affect body weight gain, food intake, liver and white adipose tissue weights, or serum lipid levels. Hepatic triglyceride and total cholesterol levels were reduced in the groups that received 2.0% supplementation of either extract. Hepatic malic enzyme activity was also reduced in those groups. Quercetin and its glycosides, the major polyphenols identified in the extracts, accumulated in the liver as quercetin aglycone and quercetin metabolites. Conclusion: We demonstrated how daily consumption of blueberry leaf and stem extracts can decrease hepatic lipid levels, potentially downregulating malic enzyme activity. These effects were intensive in leaf extracts. The active compounds existed in both extracts may be quercetin and its glycosides. Therefore, blueberry stems and leaves may be an attractive candidate novel functional food.Keywords: Blueberry leaf; blueberry stem; quercetin; hepatic lipid; rat; functional food
COMPARISON OF ANTIHYPERTENSIVE EFFECT OF MOXONIDINE VERSUS CLONIDINE IN RENAL FAILURE PATIENTS.
Authors: GEORGE DR.MATHEW , JOSEPH DR.LINCY , MATHEW MRS.DEEPTHI , SHAJI ALISHA MARIA , JOSEPH BIJI , SARA SAM STEFFI 
Published: September 2018

Blood pressure is the force of blood pushing against blood vessel walls as the heart pumps out blood, and high blood pressure, also called hypertension, is an increase in the amount of force that blood places on blood vessels as it moves through the body. Factors that can increase this force include higher blood volume due to extra fluid in the blood and blood vessels that are narrow, stiff, or clogged(1).
High blood pressure can damage blood vessels in the kidneys, reducing their ability to work properly. When the force of blood flow is high, blood vessels stretch so blood flows more easily. Eventually, this stretching scars and weakens blood vessels throughout the body, including those in the kidneys.