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    Wyświetlanie 1-15 z 15
    Tytuł:
    Estimations of shelf life of catfish skin crackers in polypropylene plastic packaging using the ASLT (Accelerated Shelf Life Testing) method
    Autorzy:
    Umam, Ade Khoerul
    Rostini, Iis
    Subiyanto, Subiyanto
    Intan, Rusky
    Powiązania:
    https://bibliotekanauki.pl/articles/1062799.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Accelerated Shelf Life Testing
    Arrhenius
    Pangasius humeralis
    Pangasius hypophtalmus
    Pangasius jambal
    Pangasius lithostoma
    Pangasius nasutus
    Pangasius nieuwenhuisii
    Pangasius pangasius
    Pangasius polyuranodon
    catfish skin crackers
    polypropylene plastic packaging
    shelf life
    Opis:
    This research aims to determine the shelf life of catfish skin crackers in polypropylene plastic packaging using the ASLT method. This test was conducted in the Fisheries Product Processing Laboratory of the Faculty of Fisheries and Marine Sciences, Padjadjaran University and testing the content of water content and TBA (Thiobarbituric Acid) of catfish skin crackers at the Food Technology Laboratory, Faculty of Food Science Technology, Padjadjaran University from September to November 2018. This study used an experimental method consisting of 3 storage temperature treatments at 25 ºC, 35 ºC and 45 ºC. Observations carried out include sensory (hedonic) test, water content test, and TBA (Thiobarbituric Acid) test. For the calculation, Arrhenius model was chosen with odor as a critical parameter to determine the shelf life which had the biggest R2 value with equation Arrhenius Ln K = 1079.8 (1/T) – 5.5161, with R2 value equal to 0.9212. The shelf life of catfish skin crackers that was saved at the room temperature (25 ºC) was 39 days or 1.3 month.
    Źródło:
    World Scientific News; 2019, 133; 248-262
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Application of the Nonhomogeneous Poisson Process for Counting Earthquakes
    Autorzy:
    Sumiati, Ira
    Rahmani, Ulfa
    Supian, Sudradjat
    Subiyanto, Subiyanto
    Powiązania:
    https://bibliotekanauki.pl/articles/1062838.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Nonhomogeneous Poisson processes
    earthquakes
    simple linear regression
    Opis:
    Nonhomogeneous Poisson processes are Poisson processes with parameters that depend on time and not constant from time to time, also mutually independent. In addition, the probability of no occurrence in the initial state is one and the probability of the n event in the initial state is zero. In this study, nonhomogeneous Poisson processes were applied to predict and count the number of earthquake events in Indonesia. Because earthquakes that occur in Indonesia from one month to the next do not affect each other and the numbers are not the same, by not paying attention to the geophysical cause of the earthquake. The data used in the study is the occurrence of earthquakes in Indonesia from January 2016 to July 2018, sourced from the Meteorology, Climatology and Geophysics Agency obtained online. The results were obtained that the odds of predicting dan counting the occurrence of earthquakes in Indonesia in the first week of December 2018 were around 184 times with a standard deviation of around 14 times.
    Źródło:
    World Scientific News; 2019, 127, 3; 163-176
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of Shoreline Changes in the Coastal Area of Kuala Terengganu, Malaysia
    Autorzy:
    Subiyanto, Subiyanto
    Ahmad, Ahmad
    Mamat, Mustafa
    Ihsan, Yudi Nurul
    Afrianto, Eddy
    Hidayat, Yuyun
    Supian, Sudradjat
    Powiązania:
    https://bibliotekanauki.pl/articles/1031676.pdf
    Data publikacji:
    2020
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Crank-Nicolson
    accretion
    coastal development
    erosion
    implicit scheme
    Opis:
    The analysis of shoreline change trends is fundamental to a broad range of investigations undertaken by coastal scientists, coastal engineers, and coastal managers, as well as the government, in this case, the coastal development policy-maker. In order to know the changing of shoreline position around the coastal area of Kuala Terengganu, an analysis and then simulation of shoreline change was performed over, respectively, 2 years, 3 years and 4 years. In this simulation, the longshore distance was divided into 87 cells of length 34 m. Shoreline positions from satellite imagery in 2010 were used in this simulation as the initial condition. Based on the numerical result, both erosion (north side) and accretion (south side) occurred around the Sultan Mahmud Airport, Kuala Terengganu. The average erosion and accretion during the 4 year period is 42.93 m and 40.89 m, respectively.
    Źródło:
    World News of Natural Sciences; 2020, 28; 24-33
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Convergences Analysis from the Solution Function of the Riccati Fractional Differential Equation by Using Modified Homotopy Perturbation Method
    Autorzy:
    Sevira, Nurazizah M.
    Rusyaman, Endang
    Firdaniza, Firdaniza
    Subiyanto, Subiyanto
    Supian, Sudradjat
    Powiązania:
    https://bibliotekanauki.pl/articles/1059423.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Convergent
    Differential Equation
    Fractional
    Modified Homotopy Perturbation Method
    Riccati
    Opis:
    A Fractional differential equation is an equation that contains derivatives with an order of fractional numbers. Same with natural number order differential equations, this type of equation is divided into linear and nonlinear fractional differential equations. One of the equations that include nonlinear fractional differential equation is Riccati fractional differential equation (RFDE). Various methods have been applied to find solutions for fractional differential equations Riccati, one of them is the Modified Homotopy Perturbation Method (MHPM) which is a modification of the Homotopy Perturbation Method by Zaid Odibat and Shaher Momani. In this study, the MHPM was used to find solutions for fractional differential equations Riccati, which were then used to analyze the convergence of the function sequences of the solution. The result shows us that the order sequence of Riccati fractional differential equation which converges to a number causes the solution function sequence of Riccati fractional differential equation will converge to the function of the solution of Riccati fractional differential equation with the order of this number.
    Źródło:
    World Scientific News; 2019, 128, 2; 71-87
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Seasonal Driven Mechanism of the Surface Chlorophyll-A Distribution along the Western Coast of Sumatra
    Autorzy:
    Sari, Qurnia Wulan
    Siswanto, Eko
    Utari, Putri Adia
    Saputra, Okta Fajar
    Lestiana, Hilda
    Holidi
    Subiyanto
    Yuniarti
    Iskandar, Iskhaq
    Powiązania:
    https://bibliotekanauki.pl/articles/2202258.pdf
    Data publikacji:
    2022
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    coastal
    equatorial wind
    MODIS
    Sumatra
    surface chlorophyll-a
    Opis:
    The chlorophyll-a (chl) abundances on the Fisheries Management Area of Indonesia Republic (WPP-RI 572), as fishery resources over the western coast of Sumatera (WSC) and Sunda Strait, were examined in this study. The extensive investigation on the mechanism ocean dynamics on chl variability along WSC was observed by using remotely sensed data on the surface. The spatial analysis was conducted using the Moderate Resolution Imaging Spectroradiometer (MODIS) Aqua Ocean colour data for a period of January 2003 to December 2015. On seasonal time scale, the surface chlorophyll-a (schl) concentration in the southern tip of Sumatra is higher than the schl in the northern tip of Sumatra. The obtained results showed that the schl concentration in the southern tip of Sumatra increases (decreases) during the southeast (northwest) monsoons. Interestingly, its interactions with the southeast monsoon wind result in intensified coastal upwelling along the monsoon trough in July – August. It triggered a large bloom of the schl concentration from the upwelling region of southern tip Sumatra. Moreover, the schl in the center region followed the peak of the equatorial wind during the period transition in the Indian Ocean which is controlling the dynamics ocean such as upwelling event. Meanwhile, the opposite situation of the schl concentration observed low along the western coast of Sumatra during the northwest monsoon. At the same time, strong upwelling observed at the northern tip of Sumatra was associated with intense cooling on the sea surface temperature. It triggered a large bloom of high schl water from the upwelling region of northern Sumatra Island.
    Źródło:
    Journal of Ecological Engineering; 2022, 23, 11; 254--260
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Application of accelerated learning method to improve the ability of students mathematical representation
    Autorzy:
    Rika, Amelia
    Wati, Susilawati
    Agus, Hikmat Syaf
    Riva, Lesta Ariany
    Sudradjat, Supian
    Subiyanto, Subiyanto
    Powiązania:
    https://bibliotekanauki.pl/articles/1177701.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Method of accelerated learning
    Quasi Experiments
    mathematical representation
    purposive sampling
    Opis:
    One of the mathematical skills that must be possessed by students is the ability of mathematical representation, therefore the applied learning method should be able to facilitate the students to learn to represent the mathematical ability they have. The purpose of this study to determine the improvement of students' mathematical representation in mathematics learning using accelerated learning method. The research method used is Quasi Experiments with Nonequivalent (Pretest and Posttest) design of Control Group Design. The population in this study is the students of grade X in Pasundan Majalaya Senior High School by using Purposive Sampling technique. The samples involved in the study were 48 students of Pasundan Majalaya Senior High School, 24 students came from class X MIPA 1 (experimental class) and 24 students came from class X MIPA 3 (control class). The learning method is applied to the students of class X MIPA 1 is the method of accelerated learning whereas in the students of class X MIPA 3 is conventional methods. The result of mathematical representation of students 'mathematical representation shows that there is an improvement of ability for students' mathematical representation with gain value of 0.56 with middle criterion for class X MIPA 1 and 0.17 with lower criterion for class X MIPA 3.
    Źródło:
    World Scientific News; 2018, 101; 65-76
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Scheduling of Flowshop Type Production with Dannenbring Method to Obtain Optimal Results with Observing Waiting Time and Weight of Jobs
    Autorzy:
    Rahmani, Ulfa
    Wulan, Elis Ratna
    Huda, Arief Fatchul
    Supian, Sudradjat
    Subiyanto, Subiyanto
    Powiązania:
    https://bibliotekanauki.pl/articles/1062846.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Linear Programming
    Makespan
    Weigted Mean Flow Time
    Opis:
    Linear programming is a step or process to get maximum results with existing resources or it can be said the process of looking for optimal value. One part of scheduling is production scheduling. production scheduling is the use of resources that are few but make the most profit. This paper discusses production scheduling using flowshop type production scheduling by taking into account transportation times and work weights. This paper uses the Dannenbring method with the aim of finding the optimal sequence of problems by considering the total production time (makespan) and the average Weigted Mean Flow Time (WMFT). Based on the results of the Dannenbring method, the results of flowshop scheduling are obtained with a total makespan of 75 hours and the WMFT value is 28, 87 hours.
    Źródło:
    World Scientific News; 2019, 127, 3; 212-224
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Robust Optimization Model for Location Transportation Problems with Ellipsoidal Uncertainty Set
    Autorzy:
    Pribadi, Diantiny Mariam
    Chaerani, Diah
    Dewanto, Stanley P.
    Supian, Sudradjat
    Subiyanto, Subiyanto
    Powiązania:
    https://bibliotekanauki.pl/articles/1062875.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Ellipsoidal uncertainty set
    Location transportation problem
    Mixed integer linear problem
    Robust Counterpart
    Robust Optimization
    Uncertainty demand
    Opis:
    The location transportation problem is a combination of location, routing and inventory facilities. The problem of transportation locations consists of strategic decisions and operational decisions. Strategy decisions consist of location and facility capacity to meet demand, while operational decisions consist of final production and optimal distribution. However, sometimes there is uncertainty in demand, which influences operational decisions. Robust Optimization is a method for solving problems that are affected by uncertainty in data. This study aims to apply single-stage with an ellipsoid approach to the problem of transportation locations with uncertainty in demand. Robust optimization through the ellipsoidal uncertainty set approach provides costs for strategic and operational decisions that tend to remain for each production period. As for the optimization model, the influence of uncertainty in demand can affect the uncertainty of strategic and operational costs.
    Źródło:
    World Scientific News; 2019, 127, 3; 296-310
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Application of Cobb-Douglas Production Function to Manufacturing Industries in West Sumatra Indonesia
    Autorzy:
    Nurunnajib, Ahfazh Fauzy
    Wulan, Elis Ratna
    Awalluddin, Asep Solih
    Supian, Sudradjat
    Subiyanto, Subiyanto
    Powiązania:
    https://bibliotekanauki.pl/articles/1177721.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Cobb-Douglas Production Function
    Least Square Estimation
    Manufacturing Industry
    Newton Raphson Method
    Opis:
    In this paper, we discusses one of the production functions that shows the relationship between the level of output and the level of input combinations that called Cobb-Douglas production function. The estimation method used is the least square estimation with the settlement using Newton Raphson iteration. The Cobb-Douglas production function is applied to five selected manufacturing industries in West Sumatra. From the research result, the return to scale (RTS) of the rubber and plastic goods industry is 0.8424 and the return to scale of the food and beverage industry is 0.8496 in which the two industries produce RTS <1. Whereas return to scale of the publishing and printing industry is 1.0460, the return to scale of the textile industry is 1.0018, and the return to scale of the non-metallic mining industry is 1.3384. Of the three industries each produce RTS> 1.
    Źródło:
    World Scientific News; 2018, 101; 145-156
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of Foreign Currency Portfolio in Indonesia
    Autorzy:
    Ningsih, Evi Sulfiah
    Adam, Pasrun
    Subiyanto, Subiyanto
    Supian, Sudrajat
    Powiązania:
    https://bibliotekanauki.pl/articles/1165228.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Foreign Exchange
    Markowitz Model
    Optimal Portfolio
    Return
    Risk
    Opis:
    The study entitled Analysis of Foreign Currency Portfolio In Indonesia is a case study of a foreign exchange market portfolio taking a research site at Bank Indonesia. Markowitz was the first to introduce the concept of portfolio risk, which in general risk can be reduced by combining multiple assets into a portfolio or so-called diversification. This research was conducted to analyze the optimal portfolio of foreign exchange investment in order to make investments give maximum return and certain risk that is obtained optimally. Based on the results of the research of the four currencies used as sample analysis, the four currencies can form as optimal portfolio of CHF, CNY, GBP and JYP, while the highest rate of return using portfolio theory is in Chinese Yuan (CNY) by 71%. The expected return of the currency is dominating compared to other foreign currencies.
    Źródło:
    World Scientific News; 2018, 107; 72-83
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Character analysis on linear elementary algebra with max-plus operation
    Autorzy:
    Kalfin, Kalfin
    Jufra, Jufra
    Muhtar, Norma
    Subiyanto, Subiyanto
    Supian, Sudradjat
    Powiązania:
    https://bibliotekanauki.pl/articles/1177763.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Max-Plus Algebra
    eigenvalues and eigenvectors
    matrix
    vector space
    Opis:
    This paper discusses the further characteristic that exists in max-plus algebra by comparing the characteristics that exist in ordinary linear algebra. The steps taken are to examine what happens to linear algebra, then applied to max-plus algebra with respect to the existing operations. Characteristics of matrix operations and differences that occur in linear algebra and are met in max-plus algebra with max and plus operations. However, max-plus algebra does not satisfy the vector space characteristics.
    Źródło:
    World Scientific News; 2018, 100; 110-123
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Best Model of LASSO With The LARS (Least Angle Regression and Shrinkage) Algorithm Using Mallow’s Cp
    Autorzy:
    Januaviani, Trisha Magdalena Adelheid
    Gusriani, Nurul
    Joebaedi, Khafsah
    Supian, Sudradjat
    Subiyanto, Subiyanto
    Powiązania:
    https://bibliotekanauki.pl/articles/1076395.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Cp Mallows
    LARS
    LASSO
    Multicollinearity
    Opis:
    Multicollinearity often occurs in regression analysis. Multicollinearity is a condition of correlation between independent variables which is a problem. One method that can overcome multicollinearity is the LASSO (Least Absolute Shrinkage and Selection Operator) method. LASSO is able to help to shrink multicollinearity and improve the accuracy of linear regression models. Estimators of LASSO parameters can be solved by the LARS (Least Angle Regression and Shrinkage) algorithm by algorithm which calculates the correlation vector, the largest absolute correlation value, equiangular vector, inner product vector, and determines the LARS algorithm limiter for LASSO. Selecting the best model using the Mallow’s C_p statistics. The smallest Mallow’s C_p value will be selected as the best model. LASSO method with a more detailed procedure with LARS algorithm and selecting the best model using the Mallow’s C_p statistics is discussed in this paper.
    Źródło:
    World Scientific News; 2019, 116; 245-252
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Joint Life Term Insurance Reserves Use the Retrospective Method Based on De Moivre Law
    Autorzy:
    Handoyo, Fiyan
    Riaman, Riaman
    Gusriani, Nurul
    Supian, Sudrajat
    Subiyanto, Subiyanto
    Powiązania:
    https://bibliotekanauki.pl/articles/1059517.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    De Moivre Law
    Joint Life Insurance
    Premium Reserves
    Retrospective Methods
    Opis:
    Joint Life Insurance futures is life insurance that covers two or more people within n years. The policy holder will get benefits from the insurance company if one of the combined insurance insured dies during the period of protection. It is likely that the insurance company will incur a loss if the claim is greater than predicted. Therefore, it is necessary to calculate premium reserves for insurance companies to predict company losses in the future. The method used to calculate premium reserves is the retrospective method. Premium reserves are calculated based on the 2011 TMI and De Moivre's assumptions. The results of the annual premium calculation based on assumptions are greater than using TMI 2011, because life opportunities based on assumptions are relatively small, while premium reserves are based on smaller assumptions than using 2011 TMI because the size of the reserves depends on the development of premiums.
    Źródło:
    World Scientific News; 2019, 128, 2; 315-327
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Flowshop scheduling with respect to transport time, break-time and weight of jobs using Nawaz, Enscor and Ham (NEH) methods
    Autorzy:
    Bahari, Muhammad Faudzi
    Wulan, Elis Ratna
    Huda, Arief Fatchul
    Supian, Sudradjat
    Subiyanto, Subiyanto
    Powiązania:
    https://bibliotekanauki.pl/articles/1177485.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Flowshop
    Makespan
    NEH
    Scheduling
    Weighted Mean Flow Time
    Opis:
    This research discusses a production scheduling by using flowshop type production scheduling with respect to transportation time, break-time and weight of jobs. The data used are four job scheduling on three machines. In addition, there is inter-machine transport time. The method was used in this research is NEH Method. Based on the results, the NEH method obtained a makespan value of 56 hours with a weighted mean flow time of 34.07 hours.
    Źródło:
    World Scientific News; 2018, 102; 180-187
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Instrumentation System for Coastal Wave Parameter Monitoring Based on Telemetry Technology Using Accelerometer
    Autorzy:
    Anwari, Saeful
    Subiyanto, Subiyanto
    Syamsudin, Mega Laksmini
    Faizal, Ibnu
    Powiązania:
    https://bibliotekanauki.pl/articles/1031248.pdf
    Data publikacji:
    2020
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Accelerometer
    Marine Instruments
    Microcontrollers
    Waves
    Zero Crossing Analysis
    Opis:
    Sea waves are important in the service of marine meteorological data. Waves that occur at sea have random and complex movements, so that the height and period of the waves are difficult to measure and formulate. This study aims to design and create marine instrumentation that can measure and record the parameters of wave height and period of coastal waves in situ so that the data obtained can reflect the conditions on the field well. PVC (Polyvinyl Chloride) is used for the instrument floats. The buoyancy value of the vehicle shows a floating value of 124.97N, or the maximum amount of load that can be accommodated by the vehicle is ±12 kg. This research was conducted from November 2019 until July 2020. The pre-research conducted at the Laboratory of Marine Science and Technology, and Computer Laboratory FPIK Universitas Padjadjaran. Testing laboratory scale carried out in a static pool, Grand Pangandaran, Pangandaran Regency and field testing was conducted in the Area of Pangandaran Port, Bojong Salawe, Pangandaran Regency, West Java for 5 days with each observation time for 6 hours / day. The results obtained are x, y, and z axis data values with a total of ±3600 data. Data analysis is based on the Zero Crossing Analysis statistical using python. The results of data processing showed a wave height value of 10% (H10) with a value of 3.0 meters, and a wave period of 10% (T10) worth 6.87 seconds. Significant wave height (HS) with a value of 2.8 meters, and significant wave period of 6.8 seconds, with an average wave height of 2.7 meters, and an average wave period of 6.8 seconds. This is consistent with the wave data from BMKG which show values ranging from 2.5 to 4 meters, on June 27-30 2020 and July 1, 2020.
    Źródło:
    World Scientific News; 2020, 148; 72-89
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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