scholarly journals SISTEM DINAMIS KETERSEDIAAN DAGING SAPI DI PROVINSI BALI

2018 ◽  
Vol 6 (4) ◽  
pp. 345
Author(s):  
Ni Made Evi Yulastari ◽  
I Ketut Satriawan ◽  
Cokorda Anom Bayu Sadyasmara
Keyword(s):  
Dynamic System ◽  
Key Words ◽  
Policy Recommendation ◽  
Beef Production ◽  
Dynamic Approach ◽  
System Availability ◽  
Factors Affecting ◽  
Simulation Results ◽  
Very High ◽  
Key Words Dynamic

The demand for beef in Bali Province is very high and dominated with hotels, restaurants, and cafes. The purpose of this research is to know the factors that influence the availability of beef, analyze the availability of beef, and make alternative policy recommendation that can be done in order to meet the demand of beef. This research was conducted in Bali Province using system dynamic approach. Simulation are conducted over a period of 10 year, starting from 2012 until 2021. Factors affecting beef availability is beef production and beef demand. Simulation results show that beef production in Bali Province has not been able to meet the demand of beef. The availability of beef in Bali Province tended to decline from the beginning of the simulation year to the end of the simulation year. Based on the simulation results of several scenarios, the most effective and possibly developed policy to meet the needs of beef is through the efforts of fattening cattle. Key words: dynamic system, availability, beef, simulations

scholarly journals SISTEM DINAMIS KETERSEDIAAN DAGING AYAM RAS PEDAGING (BROILER) DI PROVINSI BALI

2019 ◽  
Vol 7 (2) ◽  
pp. 229
Author(s):  
I Putu Surya Atmaja ◽  
I Ketut Satriawan ◽  
I Wayan Gede Sedana Yoga
Keyword(s):  
System Dynamics ◽  
Dynamic System ◽  
Key Words ◽  
System Modeling ◽  
Animal Protein ◽  
Meat Production ◽  
Broiler Meat ◽  
Dynamic System Modeling ◽  
Very High

The demand of broilers meats in Bali Province are very high and more dominated from hotels, restaurants, cafes and industrial. The aims of this research are to establish the factors those influenced the availability broiler meat, to arrange dynamic system modeling broiler meat availability, calculate the availability policy for fulfilling the need of animal protein, to arrange alternative recommendation of scenario policy for fulfilling the demand of broiler meat in Bali Province. Simulation are conducted over a period of 10 years, starting from 2012 until 2021. The factors those influenced the availability broiler meat in Bali Province are broiler meat production and broiler meat requirements. The simulation result showed that the production of broilers meat in Bali Province did not afforded to fulfil the demands of broilers since 2012. The avaibilty of broilers in Bali Province mostly appointed the reduction from the bigining to the end of the simulation year. According to the simulation result several scenarios, the policy which was very effective and possible to be developed for fulfilling the demand of broilers meat is by adding the weight of broilers during the livestock and also by adding more chicken. Key words: system dynamics, availability, broiler meat, simulations

SIMULATION OF SOFT START OF SYNCHRONOUS ELECTRIC DRIVES

2019 ◽  
Author(s):  
Shakhboz Dadabaev
Keyword(s):  
Computer Simulation ◽  
Electric Drive ◽  
Water Supply Systems ◽  
Factors Affecting ◽  
Electric Drives ◽  
Soft Start ◽  
Simulation Results ◽  
Pumping Units ◽  
Negative Factors ◽  
Supply Systems

The main negative factors affecting the starting modes of synchronous electric drives of pumping units of irrigation water supply systems were identified, computer simulation of direct and soft start of synchronous electric drive was made, the simulation results are shown in graphs and a brief conclusion was made on the study.

ANALYSIS OF INNOVATION ACTIVITIES OF ENTERPRISES OF KAZAKHSTAN

2020 ◽  
Vol 384 (2) ◽  
pp. 137-145
Author(s):  
Zh. Abylkassimova ◽  
G. Orynbekova ◽  
М. Alibayeva ◽  
O. Osadchaya
Keyword(s):  
Key Words ◽  
Added Value ◽  
Human Potential ◽  
Innovation Activity ◽  
Factors Affecting ◽  
Innovation Potential ◽  
Innovation Activities ◽  
Innovation Economy

The article noted that the development of the innovation potential of enterprises in the regions of Kazakhstan contributes to the transition of the innovation economy, where goods with high added value will be produced. The article examines the factors affecting the innovation activity of the regions, considers the dynamics of innovation activity and identifies problems and tools for the development of innovative entrepreneurship. Key words: innovation, innovation activity, region, industrialization, human potential, infrastructure

Transfers with a rendezvous lasting no more than one orbit between close near-circular coplanar orbits

2020 ◽  
pp. 82-93
Author(s):  
Aleksandr F. BRAGAZIN ◽  
Alexey V. USKOV
Keyword(s):  
Key Words ◽  
Relative Velocity ◽  
Free Parameter ◽  
Space Station ◽  
Characteristic Velocity ◽  
Orbital Station ◽  
Orbit Transfer ◽  
Simulation Results ◽  
The Moment ◽  
Phase Differences

Consideration has been given to orbit transfers involving spacecraft rendezvous which belong to a class of coplanar non-intersecting near-circular orbits of a spacecraft and a space station. The duration of the transfer is assumed to be limited by one orbit. The feasibility of a rendezvous using an optimal two-burn orbit-to-orbit transfer is studied. To determine a single free parameter of the transfer, i.e. the time of its start, ensuring a rendezvous at a given time or at a given velocity at the end of transfer, appropriate equations have been obtained To implement in the guidance algorithms optimal three-burn correction programs are proposed to achieve a rendezvous at a given time with a specified relative velocity at the moment of spacecraft contact. A range of phase differences at the start of maneuvering is determined, within which the characteristic velocity of the rendezvous is equal to the minimum characteristic velocity of the orbit-to-orbit transfer. The paper presents simulation results for “quick" rendezvous profiles that use the proposed programs. Key words: spacecraft, orbital station, “quick” rendezvous, orbit transfer, rendezvous program.

scholarly journals Comparative Evaluation of Orthostatic Hypotension in Patients with Diabetic Nephropathy

2021 ◽  
pp. 1-7
Author(s):  
Gamze Aytaş ◽  
Rümeyza Kazancıoğlu ◽  
Ömer C. Elçioğlu ◽  
Meltem Gürsu ◽  
A. Serra Artan ◽  
...  
Keyword(s):  
Diabetic Nephropathy ◽  
Orthostatic Hypotension ◽  
Electronic Device ◽  
Channel Blockers ◽  
Factors Affecting ◽  
Clinical Criteria ◽  
Measure Blood Pressure ◽  
Significant Difference ◽  
Male Patients ◽  
Very High

<b><i>Introduction:</i></b> Orthostatic hypotension (OH) affects 5–20% of the population. Our study investigates the presence of OH in diabetic nephropathy (DNP) patients and the factors affecting OH in comparison with nondiabetic chronic kidney disease (NDCKD) patients. <b><i>Method:</i></b> Patients presented to the nephrology clinic, and those who consented were included in the study. DNP was defined by kidney biopsy and/or clinical criteria. NDCKD patients of the same sex, age, and eGFR were matched to DNP patients. Demographic parameters and medications were obtained from the records. OH was determined by Mayo clinic criteria. The same researcher used an electronic device to measure blood pressure (BP). All samples were taken and analyzed the same day for biochemical and hematologic parameters and albuminuria. <b><i>Results:</i></b> 112 (51 F, 61 M, mean age: 62.56 ± 9.35 years) DNP and 94 (40 F, 54 M, mean age: 62.23 ± 10.08 years) NDCKD patients were included. There was no significant difference between DNP and NDCKD groups in terms of OH prevalence (70.5 vs. 61.7%, <i>p</i> = 0.181). Male patients had significantly higher OH prevalence than female patients (74.7 vs. 60.0%, <i>p</i> = 0.026). There was no significant difference in change in systolic BP between the groups (24.00 [10.00–32.00] mm Hg vs. 24.00 [13.75–30.25] mm Hg, <i>p</i> = 0.797), but the change in diastolic BP was significantly higher in the DNP group (8.00 [2.00–13.00] mm Hg vs. 6.00 [2.00–9.00] mm Hg, <i>p</i> = 0.025). In the DNP group, patients with OH had significantly higher uric acid levels than those without OH (7.18 ± 1.55 vs. 6.36 ± 1.65 mg/dL, <i>p</i> = 0.017). And, 73.7% of patients on calcium channel blockers developed OH (<i>p</i> = 0.015), and OH developed in 80.6% of 36 patients on alpha-blockers (<i>p</i> = 0.049). <b><i>Conclusion:</i></b> OH prevalence is very high in CKD, and etiology of CKD does not have a statistically significant effect on the frequency of OH, despite a difference that could be meaningful clinically. Therefore, patients with CKD are checked for OH, with or without concurrent diabetes mellitus. Evaluation of postural BP changes should be a part of nephrology practice.

Reliability Parameters Forecasting for Transmission Lines Based on Principal Component Regression

2013 ◽  
Vol 291-294 ◽  
pp. 2381-2386 ◽  
Author(s):  
Wen Xia Liu ◽  
Ji Kai Xu ◽  
Hong Yuan Jiang ◽  
Yong Tao Shen
Keyword(s):  
Principal Component Analysis ◽  
Transmission Lines ◽  
Principal Component Regression ◽  
Principal Component ◽  
Forecasting Accuracy ◽  
Factors Affecting ◽  
Reliability Parameters ◽  
Impacting Factors ◽  
Simulation Results

It is the foundation for evaluating the reliability of transmission lines to obtain and analyze the original reliability parameters. However, these parameters depend on long- term statistic and calculation. In the case of lacking such parameters in a new project , this paper proposes a method of Principal Component Analysis to obtain the principal component of the impacting factors ,in which various factors affecting reliability parameters are taken into account. Through this method, we can use PCR to obtain the failure rate of the unknown transmission lines on the base of the known credible lines’ rates. The simulation results show that the proposed approach possesses higher forecasting accuracy and provides references for the power system dispatching departments and transmission lines maintenance departments.

Development of a Simulation Model to Investigate Tool Wear in Ti-6Al-4V Alloy Machining

2011 ◽  
Vol 223 ◽  
pp. 535-544 ◽  
Author(s):  
Volker Schulze ◽  
Frederik Zanger
Keyword(s):  
Tool Wear ◽  
High Strength ◽  
State Variables ◽  
Wear Model ◽  
Fem Model ◽  
Load Variations ◽  
Wear Rates ◽  
Simulation Results ◽  
Mechanical Machining ◽  
Very High

Titanium alloys like Ti‑6Al‑4V have a low density, a very high strength and are highly resistant to corrosion. However, the positive qualities in combination with the low heat conductivity have disadvantageous effects on mechanical machining and on cutting in particular. Ti‑6Al‑4V forms segmented chips for the whole range of cutting velocities which influences tool wear. Thus, optimization of the manufacturing process is difficult. To obtain this goal the chip segmentation process and the tool wear are studied numerically in this article. Therefore, a FEM model was developed which calculates the wear rates depending on state variables from the cutting simulation, using an empirical tool wear model. The segmentation leads to mechanical and thermal load variations, which are taken into consideration during the tool wear simulations. In order to evaluate the simulation results, they are compared with experimentally obtained results for different process parameters.

scholarly journals Prevalence of amphistomes in Black Bengal goats in Mymensingh district

1970 ◽  
Vol 4 (2) ◽  
pp. 103-106 ◽  
Author(s):  
MZ Uddin ◽  
T Farjana ◽  
N Begum ◽  
MMH Mondal
Keyword(s):  
Key Words ◽  
Summer Season ◽  
Mixed Infections ◽  
Lower Prevalence ◽  
Gastrothylax Crumenifer ◽  
Control Procedures ◽  
Multiple Species ◽  
Paramphistomum Cervi ◽  
Very High

To investigate the prevalence of amphistome parasites in Black Bengal goats slaughtered at different slaughterhouses of Mymensingh district, a total of 144 gastro-intestinal tracts were examined during the period of July 1998 to June 1999 in the Department of Parasitology, Bangladesh Agricultural University, Mymensingh. Out of 144 Black Bengal goats, 105 (72.92%) were infected with a single or multiple species of amphistomes.  In present investigation, three species of amphistomes viz Paramphistomum cervi, Cotylophoron cotylophorum and Gastrothylax crumenifer were identified. The highest infection was observed with Paramphistomum cervi (65.28%) and lowest infection with Cotylophoron cotylophorum (36.11%). Mixed infections with two or more species of amphistomes were found in 60.42%. Age had a significant (p < 0.01) influence on the prevalence of amphistomes in goat. A higher prevalence (89.58%) was observed in older animals followed by young animals (78.57%), whereas a lower prevalence (45.0%) in growing animals. However, the prevalence increased with the increase of age. The females (75.0%) were found more (1.44 times) susceptible to amphistomes infection than the males (67.5%). The prevalence of amphistomes was very high all the year round and the rate of infection was 83.64%, 69.23% and 64.0% during monsoon, winter and summer season respectively. The present study concluded that Black Bengal goats are susceptible to amphistome infection irrespective of age, sex and season of the year. So, control of these parasites is essential and the further investigation is needed, focusing on control procedures of amphistomes infection in goats. Key Words: Amphistomes, prevalence, Black Bengal goats DOI = 10.3329/bjvm.v4i2.1292 Bangl. J. Vet. Med. (2006). 4 (2): 103-106

scholarly journals ANALISIS KOMUNITAS MANGROVE DI KECAMATAN SEKOTONG LOMBOK BARAT NTB

2019 ◽  
Vol 19 (1) ◽  
Author(s):  
Lalu Japa ◽  
Didik Santoso
Keyword(s):  
Cluster Analysis ◽  
Species Composition ◽  
Key Words ◽  
Tree Density ◽  
Mangrove Tree ◽  
Rhizophora Apiculata ◽  
Percentage Similarity ◽  
Percentage Covering ◽  
Very High ◽  
Program Version

Abstrak:Komunitas mangrove di kawasan Sekotong Lombok Barat telah diteliti untuk mengetahui komposisi spesies, kerapatan  individu setiap spesies,dan  persentase tutupannya. Total sebanyak 28 plot (kudrat) berukuran 10m x 10m dibuat pada 9 transek di lima stasiun. Foto tutupan kanopi mangrove dan parameter komposisi komunitas dianalisis menggunakan software ImageJ dan template spreadsheet. Data kerapatan pohon dan persentase tutupan mangrove dianalisis dengan ANOVA. Persentase kesamaan antara stasiun menggunakan Biodiversity Program Version 2 berdasarkan the Bray Curtis Cluster Analysis. Komunitas mangrove di Kecamatan Sekotong Lombok Barat teridenfikasi 8 spesies, meliputi 5 genus, dan 4 famili. Rhizophora apiculata tersebar disemua transek penelitian. Transek SKTM02B memiliki kerapatan pohon tertinggi sebesar 2800 pohon/ha. Tiga transek dengan persentase tutupan tertinggi berturut-turut SKTM04T, SKTM04, dan SKTM01A. Persentase kesamaan antar stasiun sangat tinggi mencapai 82,503 –  95,423%. Persentase kesamaan tertinggi (95,423%) terjadi antara stasium SKTM04 dan SKTM05. Kata kunci : mangrove, Sekotong, komposisi spesies, kerapatan, dan persentase tutupan Abstract: Community of mangrove in the area of Sekotong West Lombok has been researched to know the species composition,  individual density of each species, and percentage covering. Total number of 28 plots of 10 m x 10 m in size were set in 9 transects in 5 station. Photographs mangrove canopy covering and parameter of mangrove community composition were analyzed by using the software ImageJ and  template spreadsheet. ANOVA was applied for analyzing the data of mangrove  tree density and percentage covering. The Bray Curtis Cluster Analysis. using Biodiversity Program Version 2 was also used for analyzing the percentage similarity among station. The community of mangrove of Sekotong West Lombok consists of 8 species, 5 genera, dan 4 family. Rhizophora apiculata was recorded in all transects. The highest density (2800 trees/ha) of mangrove was recorde in ransect SKTM02B.. The three transects with the highest percentage covering were SKTM04T, SKTM04, dan SKTM01A, respectively. Percentages similarity among station were very high (82,503%  –  95,423%). SKTM04 and SKTM05 were the two station with  the highest percentage similarity (95,423%). Key words : mangrove, Sekotong, species composition, density, and percentage covering 

Estimating water consumption and factors affecting intake in grazing cattle

1994 ◽  
Vol 74 (3) ◽  
pp. 551-554 ◽  
Author(s):  
Shaukat Ali ◽  
L. A. Goonewardene ◽  
J. A. Basarab
Keyword(s):  
Relative Humidity ◽  
Key Words ◽  
Water Consumption ◽  
Important Determinant ◽  
Daily Temperature ◽  
Maximum Daily Temperature ◽  
Factors Affecting ◽  
Percentage Decrease ◽  
Grazing Cattle

Water consumption (WC) by 39.5 animal units (AU) of grazing cattle was studied at a central Alberta site in summer. Average WC AU−1 was estimated at 48.9 L d−1. WC increased by 0.68 L AU−1 (P < 0.01) for each percentage decrease in relative humidity, increased by 0.81 L AU−1 (P < 0.02) for each degree Celsius increase in maximum daily temperature, and increased by 0.15 L AU−1 (P < 0.06) as cattle grew and the season progressed. Relative humidity is shown to be an important determinant of WC in grazing cattle. Key words: Water consumption, animal unit, temperature, humidity, grazing cattle

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