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EKSAKTA: Berkala Ilmiah Bidang MIPA
ISSN : 25497464     EISSN : 14113724     DOI : -
EKSAKTA Berkala Ilmiah Bidang MIPA is an open access journal and peer-reviewed that publishes either original article or reviews. The journal is dedicated towards dissemination of knowledge related to the advancement in scientific research. The prestigious interdisciplinary editorial board reflects the diversity of subjects covered in this journal. Under the realm of science and technology, the coverage includes environmental science, pure and applied mathematics, agricultural research and engineering, biology, biotechnology, bioinformatics, Healthcare sciences (including clinical medicine, preventive medicine & public health), physics, biophysics, computer science, chemistry and bioengineering, to name a few. This Journal Is Published at 6 Month intervals On April and October.
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Articles 11 Documents
Search results for , issue " Vol 20 No 1 (2019): EKSAKTA : Berkala Ilmiah Bidang MIPA" : 11 Documents clear
Addition Of Coleus Amboinicus, L Leaf’s Extract In Ration To Percentage Of Carcass, Abdominal Fat, Liver And Heart Broiler Fati, Nelzi; Siregar, R; Sujatmiko, Sujatmiko
EKSAKTA: Berkala Ilmiah Bidang MIPA Vol 20 No 1 (2019): EKSAKTA : Berkala Ilmiah Bidang MIPA
Publisher : Pusat Kajian Matematika dan Ilmu Pengetahuan Alam, Fakultas MIPA Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (834.17 KB) | DOI: 10.24036/eksakta/vol20-iss1/157

Abstract

The purpose of this study was to determine the effect of giving coleus amboinicus, L leaf’s  extract, on the percentage of carcass, liver, heart and abdominal fat and the level of coleus amboinicus,L extract  which is appropriate in broiler feed. This research was conducted in labor and broiler enclosures of the Payakumbuh State Agricultural Polytechnic, from January to May 2018. The material was DOC, commercial food 311, corn, bran, soybean meal, fish meal and minerals, and the equipment used was cages and equipment. The design used is RAL with 6 treatments and 4 replications. The results obtained that the addition of coleus amboinicus, L extract, L did not affect significantly (P> 0.05) on the percentage of carcass and liver, while the administration of coleus amboinicus, L leaf’s extract significantly affected (P <0.05) on the percentage of heart and abdominal fat broiler.  Giving a dry  of coleus amboinicus leaf’s, L, 4 g / kg ration can reduce broiler abdominal fat.
Bioinformatics Study Genes Encoding Enzymes Involved in the Biosynthesis of Carotenoids Line Cassava (Manihot esculenta) Putri, Dwi Hilda; Anika, Mutia; Wahyuni, Wahyuni
EKSAKTA: Berkala Ilmiah Bidang MIPA Vol 20 No 1 (2019): EKSAKTA : Berkala Ilmiah Bidang MIPA
Publisher : Pusat Kajian Matematika dan Ilmu Pengetahuan Alam, Fakultas MIPA Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1015.879 KB) | DOI: 10.24036/eksakta/vol20-iss1/161

Abstract

Singkong (Manihot esculenta) adalah salah satu tanaman pangan yang mengandung karbohidrat tinggi dan digunakan sebagai bahan baku berbagai industri. Singkong juga mengandung beberapa jenis protein, termasuk beta-karoten. Namun, beberapa tanaman juga mengandung berbagai tingkat beta-karoten. Beta-karoten adalah salah satu kelompok karoten yang berfungsi sebagai prekursor vitamin A. Penelitian bioinformatika ini bertujuan untuk menentukan persamaan dan perbedaan dalam gen penyandi enzim yang terlibat dalam jalur biosintesis karotenoid dalam singkong dengan beberapa tanaman yang mengandung beta-karoten dari sekuens nukleotida dan pengkodean protein gen karotenoid (Lcy α dan Lcy β). Data tentang urutan nukleotida dan protein diperoleh melalui database NCBI. Kesamaan dan perbedaan dalam data nukleotida dan urutan protein terlihat dari pohon filogenetik menggunakan program MEGA 7.0. Berdasarkan gen nukleotida, Lcy α Manihot esculenta dengan beberapa tanaman yang mengandung beta-karoten tidak berhubungan. Berdasarkan urutan protein nukleotida pohon filogenetik Lcy α dan Lcy β Manihot esculenta dengan beberapa tanaman yang mengandung beta-karoten ada perbedaan
Optimization of Genetic Algorithm for Implementation Designing and Modeling in Academic Scheduling Suratno, Tri; Rarasati, Niken; Z`, Gusmanely
EKSAKTA: Berkala Ilmiah Bidang MIPA Vol 20 No 1 (2019): EKSAKTA : Berkala Ilmiah Bidang MIPA
Publisher : Pusat Kajian Matematika dan Ilmu Pengetahuan Alam, Fakultas MIPA Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (516.887 KB) | DOI: 10.24036/eksakta/vol20-iss1/166

Abstract

This research was investigated using the Genetic Algebra Method for scheduling lectures and practicums. Genetic algorithms are used to solve problems that are modeled according to evolutionary principles in biological sciences. The application of the Genetic Algebraic Method for Scheduling Lectures and Practices is expected to be further developed into a computerized system that can replace the manual lecture scheduling and practicum methods so that it can produce a more accurate schedule with existing rules in a shorter time. The results of the use of the genetic algorithm method are obtained from the results of the data which are fixed scheduling lecture data and can be recommended for lectures according to the lecture schedule obtained from the results of generating genetic algorithms.
Analysis of Non Hierarchical Bomb for Collection of Community Health Degrees in Jambi and Muaro Jambi City Ramalisa, Yelli; Febriyanti, Azzikra; Multahadah, Cut
EKSAKTA: Berkala Ilmiah Bidang MIPA Vol 20 No 1 (2019): EKSAKTA : Berkala Ilmiah Bidang MIPA
Publisher : Pusat Kajian Matematika dan Ilmu Pengetahuan Alam, Fakultas MIPA Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (764.818 KB) | DOI: 10.24036/eksakta/vol20-iss1/167

Abstract

This research purpose to investigate the community health degree in Jambi and Muaro Jambi City using a non-hierarchical cluster. This  method based on community health building indicators with 22 sub-districts, eleven in Jambi City and 11 in Muaro Jambi district. The results was basically 22 sub-districts in Jambi City and District. Muaro Jambi already has a fairly good IPKM value,  such as South Jambi sub-district, Red Paal, Jambi Market and Teluk Danau based on analysis of hierarchical bomb.
Ordinal Logistic Regression with an Application to Health Service Quality in Raden Mattaher Jambi Hospital Pasaribu, Feri Tiona; Mardia, Ainun; Sormin, Corry
EKSAKTA: Berkala Ilmiah Bidang MIPA Vol 20 No 1 (2019): EKSAKTA : Berkala Ilmiah Bidang MIPA
Publisher : Pusat Kajian Matematika dan Ilmu Pengetahuan Alam, Fakultas MIPA Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (911.546 KB) | DOI: 10.24036/eksakta/vol20-iss1/168

Abstract

Health care is a treatment received by the community provided by health workers. The quality of health services will provide satisfaction to health services. Service actions that affect the value of satisfaction are availability and completeness of facilities, physical evidence of administration, reliability of officers, responsiveness of officers, guarantees received by patients and families of patients, and empathy felt by patients. This level of satisfaction assessment is in the form of an ordinal scale that is not satisfied, less satisfied, satisfied and very satisfied. The analysis used to determine the level of satisfaction is by ordinal logistic regression analysis. The sample used in this study is the patient or family of patients at Raden Mattaher Hospital. The stages of data analysis used are the validity and reliability test, parameter estimation, model feasibility test, parameter significance test and the best model selection. The results of the analysis obtained the best models  and  with factors that influence the level of quality of health services at Raden Mattaher Hospital, namely physical evidence, availability and completeness of facilities and responsiveness.
Factors Affecting the Amount of Investment Loans in Commercial Banks with the Application of Linear Regression Analysis Methods Joebaedi, Khafsah; Susanti, D; Warwah, N; Parmikanti, K; Badrulfalah, Badrulfalah
EKSAKTA: Berkala Ilmiah Bidang MIPA Vol 20 No 1 (2019): EKSAKTA : Berkala Ilmiah Bidang MIPA
Publisher : Pusat Kajian Matematika dan Ilmu Pengetahuan Alam, Fakultas MIPA Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (852.161 KB) | DOI: 10.24036/eksakta/vol20-iss1/172

Abstract

Several factors can affect the amount of investment credit issued by the bank. This study discusses the effect of interest rates, inflation rates, capita income, and the number of medium-large industries on the number of investment loans, using the method of linear regression analysis. The independent variables examined to determine the influence of each and all the independent variables on the number of investment loans in commercial banks, namely interest rates, inflation rates, capita income, and the number of medium-large industries using the parameter estimation method, OLS (Ordinary Least Square).
Some Properties of Green’s Matrix of Nonlinear Boundary Value Problem of First Order Differential Badrulfalah, Badrulfalah; Susanti, Dwi; Joebaedi, Kafsah; Kosasih, Robin
EKSAKTA: Berkala Ilmiah Bidang MIPA Vol 20 No 1 (2019): EKSAKTA : Berkala Ilmiah Bidang MIPA
Publisher : Pusat Kajian Matematika dan Ilmu Pengetahuan Alam, Fakultas MIPA Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (957.931 KB) | DOI: 10.24036/eksakta/vol20-iss1/173

Abstract

This paper discusses Green’s matrix of nonlinear boundary value problem of first-order differential system with rectangular coeffisients, especially about its properties. In this case, the differential equation of the form  with boundary conditions of the form   and  which  is a real  matrix with  whose entries are continuous on  and . ,  are nonsingular matrices such that  and  are constant vectors. To get the Green’s matrix and the assosiated generalized Green’s matrix, we change the boundary condition problem into an equivalent  differential equation by using the properties of the  Moore-Penrose generalized inverse, then  its solution is found by using method of variation of parameters. The last we prove  that the defined matrices  satisfy the properties of green’s function. The result is the corresponding the Green’s matrix and the assosiated generalized Green’s matrix have the property of Green’s functions with the jump-discontinuity.
The Study of African Leave (Vernonia amygdalina) in for Improving the Quality of Local Duck Meats of West Sumatera Suhaemi, Zasmeli; Zulkarnaini, Zulkarnaini; Afrijon, Afrijon; Jefri, PN
EKSAKTA: Berkala Ilmiah Bidang MIPA Vol 20 No 1 (2019): EKSAKTA : Berkala Ilmiah Bidang MIPA
Publisher : Pusat Kajian Matematika dan Ilmu Pengetahuan Alam, Fakultas MIPA Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (699.805 KB) | DOI: 10.24036/eksakta/vol20-iss1/174

Abstract

This research purpose to observe the response of local duck, especially male duck that given African Leaf Flour (ALF) in the diet, toward body weight and blood cholesterol content. The treatment for this research will be given by differentiate the ALF level in five levels (0%, 0.5%, 1.0%, 1.5%, and 2.0%) with four times replication. This research used Completely Randomized Design. This treatment is obsessed to 80 male ducks which are rearing from the age of 4 until 10 weeks. The result showed that the increasing of ALF level in diets, will highly significant increase the body weight growth (BWG) of duck, as the increasing value of BWG is 23.59% (P<0,01), and its similarly with the Feed Conversion Ratio (FCR). The blood cholesterol content is decreasing to 7.41% for 1.5% the ALF level given (P<0,01), while the content of cholesterol-HDL and LDL has not significantly (P>0,05). However, the content of cholesterol-HDL in blood tend to increase along with the increasing of the ALF level given. Utilization of ALF level until 2.0% could increase the quality of local duck meat, because its produce higher meat production and improve the content of cholesterol for creating healthy animal food sources.
Bivariate Analysis on Autism Therapy using Social Skills Training in SLB YPPA Padang Afnuhazi, Ridhyalla
EKSAKTA: Berkala Ilmiah Bidang MIPA Vol 20 No 1 (2019): EKSAKTA : Berkala Ilmiah Bidang MIPA
Publisher : Pusat Kajian Matematika dan Ilmu Pengetahuan Alam, Fakultas MIPA Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (665.723 KB) | DOI: 10.24036/eksakta/vol20-iss1/175

Abstract

Number of persons with autism in the world range of 60.000 - 150.000 autism occurred in children aged below 15 years. Therapy was given to improvement of social skills in autistic children Social Skills Training Therapy (SST). The purpose of this study was to determine the ability of Socialization Effects of SST for Autism Children (6 -12 years) in SLB Autism YPPA Padang 2015. Quasi - experimental design with one - group pre - post test. The population in this study all children with autism aged 6-12 year, and samples were taken by convenience sampling 30 people. Univariate date processing techniques while the frequency distribution and central tedensy and Bivariate date processing techniques with paired T - test. Results of research abilities children with autism after therapy SST, and light weight characteristic factors of symptoms associated with social skills of children with autism. Suggestions can be submitted to the study of nursing in order to detect early signs of the symptoms experienced by children with autism so there is no sign of severe symptoms and train the socialization skills of children with autism with SST therapy.
The Study Trees Potential for Forest in Universitas Lancang Kuning Pekanbaru Dinata, Marta; Fitridawati, Fitridawati; Putri, Lusi Dwi
EKSAKTA: Berkala Ilmiah Bidang MIPA Vol 20 No 1 (2019): EKSAKTA : Berkala Ilmiah Bidang MIPA
Publisher : Pusat Kajian Matematika dan Ilmu Pengetahuan Alam, Fakultas MIPA Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (767.555 KB) | DOI: 10.24036/eksakta/vol20-iss1/176

Abstract

Lokasi penelitian jenis pohon Potensial untuk Pengembangan Hutan Pinggir ditetapkan adalah Universitas Lancang Kuning, yaitu di jalan Yos Sudarso KM 8 Rumbai Pekanbaru, yang merupakan habitat terfragmentasi. Metode yang digunakan adalah sensus melalui pengukuran luas kawasan, pengamatan struktur, pencacahan populasi, pengukuran dimensi pohon. Menghitung keanekaragaman jenis pohon (H'), Mengkaji kriteria kesesuaian suatu jenis pohon setiap tipe kawasan jalur pinggir hijau mengacu kepada metode analisis rencana penelitian intregatif (Samsoedin, 2009), Indeks nilai penting untuk vegetasi pohon tertinggi ditempati oleh akasia (Acacia auriculiformis) dengan nilai sebesar 73,11. Akasia (Acacia auriculiformis) jenis pohon berkriteria kurang sesuai. Hal ini disebabkan populasinya terlalu tinggi, dimana serasah yang jatuh sulit terurai menyebabkan tumpukan yang tebal bila terinjak licin dan membahayakan keselamatan, yang pada akhirnya penumpukan serasah daun menyebabkan kondisi tanah pada lereng` menjadi lunak karena lembab dan berpotensi menjadi longsor.

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