bluuebunny/crossref_metadata_2025_split huggingface dataset:
Benchmarking of a Proposed Augmented-Reality System Architecture
Authors: Iqbal Hisham , Rodriguez Y Baena Ferdinando 
Published: July 2018

Advances in augmented-reality (AR) technologies have seen their increased adoption in robotic-assisted procedures in a surgical environment, as they provide both cognitive benefits through improved information management, as well as potential reductions in operating times with the removal of manually operated physical displays. A crucial component of successfully transferring AR-based technologies from a research environment into operating theatres is a robust back-end communication system capable of rapidly communicating information between surgical robots and head-mounted displays.A system capable of carrying out this task was constructed by coding a server program written in C#, which communicated via WiFi with a HoloLens™ (Windows, USA) app coded in C# deployed via Unity (Unity Technologies, USA). The system architecture utilised User-Datagram Protocol to take raw input data, format it into packets, and then wirelessly transmit it to the HoloLens™. The constructed system was tested against a benchmark frequency (&gt;10Hz) to examine its suitability in a real-time application.Data varying in size from from 0.128 KB - 4.69 MB was successfully transmitted above the real-time benchmark, with the lowest recorded frame-rate registering at 14.13Hz, indicating that the system shows promise in transmitting surgical navigation workflow information and coordination-transformation data in a surgical environment. Future work on the system will aim to further streamline the communication architecture in order to smoothly integrate any additional hardware into the communication network whilst maintaining a low communication-latency, with an overarching aim of progressing towards a more mixed-reality experience in a surgical environment.
PENGARUH NILAI TAMBAH SEKTOR PERTANIAN TERHADAP PENYERAPAN TENAGA KERJA DI KALIMANTAN TIMUR
Authors: Ishak Awang Farouk 
Published: July 2018

<em>The objective of this study is to analyze the influence of value added of agriculture sector toward labor absorption in East Kalimantan. This study using quantitative and qualitative approaches, based on the secondary panel data in the time series period of 1993-2009. Partial Least Square (PLS) method (smart PLS Computer program) is analyzed in this study. The result indicates that the value added of agriculture sector has positif trend effect towards the labor absorption. The Standardize path coefficient analysis results indicate that the period of 1993-1997 (before crisis), period of 1998-2002 (after crisis and before regional autonomy) and period of 2001-2009 (after regional otonomy) have a significant relationship between the growth of value-added in agricultural sector toward labour absorption in the Province of East Kalimanta</em>n.
ANALISIS DAYA SAING DAN STRATEGI PENGEMBANGAN AGRIBISNIS GANDUM LOKAL DI INDONESIA
Authors: Baga Lukman Muhammad , Puspita Agnes A. D. 
Published: July 2018

<em>Wheat is an alternative food product that contains high carbohydrate, which is currently consumed by many Indonesian people in order to substitute their staple food of rice. However, Indonesia must import large amount of this product, and during the last decade the imported volume has dramatically increased. In 2008 the imported wheat reached 4.9 million tons. Since 2001, Indonesian Government has developed domestic wheat agribusiness which aimed to establish industrial villages of domestic wheat production. However, due to some obstacles, the program is not successful yet. Therefore, it is needed to study the competitive position of wheat agribusiness in Indonesia. The study’s objectives are (1) to portrait the current domestic wheat agribusiness in Indonesia, (2) to analyze the domestic wheat competitive position, and (3) to formulate strategy for developing domestic wheat agribusiness in Indonesia as an effort to fulfill some part of domestic wheat demand and to build industrial villages of wheat production. The study was conducted in 2009. Data have been analyzed by using the frame of Porter’s Diamond Theory in order to find out the competitive position of Indonesian domestic wheat agribusiness. Afterwards, SWOT analysis is used to investigate internal strengths and weaknesses as well as external opportunities and threats of Indonesian wheat agribusiness in order to formulate the developing strategies. Finally, the approach of strategic architecture is used to arrange the formulated strategies where it can be easier to get the picture. The conclusion of Porter’s Diamond analysis showed that each subsystems of domestic wheat agribusiness in Indonesia still do not support one to another, therefore, its competitiveness becomes weak. In order to strengthen its competitiveness, domestic wheat agribusiness needs to be developed more properly by paying attention to development strategies which have been consciously formulated and put in mapping of strategic architecture.</em>
ANALISIS USAHATANI KAKAO RAKYAT DI BERBAGAI POLA TANAM TUMPANG SARI
Authors: Hariyati Yuli 
Published: July 2018

<em>The contribution of cocoa plantations to the income of farmers is an important issue for farm-scale development. Cocoa plant is an annual plant that is capable of producing a year only once. In order to earn income every month, the farmers implement intercropping pattern in their cocoa farming folk. Application of intercropping patterns on their farm has a linkage with the components of the costs incurred to cultivate these plants. This research was carried out to determine: (1) the application of intercropping patterns and the reasons for choosing one type of intercropping pattern on cocoa farming folk; (2) the differences of cost efficiency in each intercropping patterns on cocoa farming folk; (3) the differences of profitability in each intercropping patterns on cocoa farming folk; (4) the differences of labor productivity in each intercropping patterns on cocoa farming folk. This research location was decided by purposive method in Subak Abian Amertha Nadi, Yeh Embang Kauh Village, Mendoyo Distric. The research method which are used in this research are descriptive, comparative and analytical. Data analysis method which are used in this research are R/C ratio, revenue analysis, and labor productivity. The research results showed that : (1) cloves provide the greatest contribution to revenue in the fourth intercropping patterns and the farmers reasons for choosing intercropping patterns, among others : hereditary system, large gains, increasing yields, profits every time, and risks of failure; (2) cost efficiency among the four intercropping patterns were not significantly different, (3) gains among the four intercropping patterns were not significantly different; (4) labor productivity among the four intercropping patterns also were not significantly different.</em>
Analisis Pendapatan dan Efisiensi Teknis Usahatani Ubi Jalar di Kecamatan Ampek Angkek, Kabupaten Agam Provinsi Sumatera Barat
Authors: Leovita Angelia , Asmarantaka Ratna Winandi , Suwarsinah Daryanto Heny Kuswanti 
Published: July 2018

Production of commodity determined by effectiveness allocation of input. The level of input allocation will give impact to production and then farm income. This study was aimed to analyze the income of sweet potato farm, to identify factors those are effect the production of sweet potato, to analyze technical efficiency and factors of technical inefficiency of sweet potato’s farm. The data was gather from 40 sweet potato farmers in Ampek Angkek district regency of Agam West Sumatra. The result showed that the income of sweet potato farmers were IDR 24,659,314.18 with R/C ratio 1.8. The R/C ratio indicated that sweet potato farm was still feasible and profitable to be cultivate. Factors that effect the production of sweet potato were seeds, organic fertilizer, labor in the family, and labor outside the family. The average of technical efficiency rate was 0.85, which means that productivity of sweet potato farm achieved 85 percent from the maximum level. Meanwhile, the inefficiency can be reduce by membership of farm group, age, and land tenure.
Upaya Pengembangan Agribisnis Padi (Oryza Sativa L.) di Kabupaten Indramayu
Authors: Ambarsari Wiwik , Ismadi Vitus Dwi Yunianto Budi , Setiadi Agus 
Published: July 2018

This research aims to formulate priority of the alternative strategy of the development rice agribusiness and the alternative strategy priority that can be applied to the development of rice agribusiness in Indramayu Regency. This research was done through a survey approach, using descriptive and qualitative analysis. The sampling was done by multistage purposive sampling to 120 rice farmers, and purposive sampling of 15 key persons, namely experts, policy experts, practitioners, businesses, experienced farmers and related agencies. The analysis method used was the Analytical Hierarchy Process (AHP) method with Expert Choice 9.0 Program. The research was conducted from February to August 2014 in Sliyeg, Lelea, and Gabuswetan Districts, Indramayu Regency. The results of this research were the five alternative priorities as the formula of the development strategy of rice agribusiness in Indramayu Regency were the consistency of local government of rice farming development, assurance and protection of the rice price through the modern village barns, the enhancement of agricultural extension workers quality and quantity, development of modern village barns infrastructures, and capital assistance from the Local Owned Enterprises. The key priority alternative strategy of the development rice agribusiness in Indramayu Regency was the consistency of local goverment of rice farming development.
Efisiensi Teknis, Alokatif dan Ekonomi pada Usahatani Ubikayu di Kabupaten Lampung Tengah Provinsi Lampung
Authors: Anggraini Nuni , Harianto Harianto , Anggraeni Lukytawati 
Published: July 2018

<p>Efficiency is one of the factor that play an important role in determining the level of productivity. This research aims are (1) to analyze the factors that affect cassava production, (2) to measure the level of technical, allocative and economic efficiencies, (3) to identify the factors that influence the technical inefficiency in Central Lampung Regency. The study was conducted in Central Lampung Regency, Lampung Province. The purposive sampling method was used to select area study and simple random sampling technique was used to collect 78 cassava farmers in the study area. Data were analyzed with the stochastic frontier production function model and cost function dual frontier. The results shows that the land, seed,fertilizer N and fertilizer K variable significantly affected cassava production. The level of technical, allocative and economic efficiencies of cassava farming were not efficient with average technical, allocative and economic efficiencies value respectively of 0,69; 0,71; and 0,47. This indicates that cassava farmers in Central Lampung regency has not been optimally allocate the use of inputs at the level of the minimum cost. Socio-economic variables that significantly affect the technical efficiency is age, the time of harvest, family size, and access to credit.<em></em></p>
EFISIENSI TEKNIS USAHA TERNAK AYAM BROILER POLA KEMITRAAN DI KABUPATEN LIMAPULUH KOTA
Authors: Pramita Dira Asri , Kusnadi Nunung , Harianto Harianto 
Published: July 2018

<em>Due to the high cost of investment in broiler production and the risk involved, various types of lease arrangement in broiler production exist in Indonesia. Two of the best known arrangement include the contract system and the informal profit sharing system. The difference in these two types of arrangement lies in the degree of cooperation which influence their technical efficiency. This study aims to measure the technical efficiencies of broiler farms with the contract system and the profit sharing system. This study also analyzed the basic determinants of the technical efficiency, as well as the socio-economic variables that affect business performance. Cross section data was collected from Limapuluh Kota district between July to September 2015. The purposive sampling technique was used to identify 87 farmers of which 50 were involved in the contract system arrangement while 37 were involved in the profit sharing arrangement. The data was analyzed using the Cobb-Douglas Stochastic Production Frontier. The results showed that the type of lease arrangement affects the level of technical efficiency. When compared, the technical efficiency of contract system arrangement was higher than that of the informal profit sharing arrangement. The age and experience of broiler farmers significantly influenced the level of technical efficiency. However, while age was positive experience was negative.</em>
Отдаленные последствия радиационных аварий для мышевидных грызунов в зоне отчуждения Чернобыльской АЭС
Authors: Кудяшева А. Г. , Башлыкова Л. А. , Гудков И. Н. 
Published: July 2018

В отдаленный период (более чем через два десятилетия) на территории зоны отчужденияЧАЭС произошли изменения как радиационной, так и экологической обстановки. Уровень внешнего g-излучения особенно явно уменьшился на участках с сильным и средним уровнем загрязнения. Впервые проведено прижизненное измерение содержания g-, b-активности радионуклидов 137Cs и 90Sr в организме мышевидных грызунов. Получены индивидуальные данные загрязненности радионуклидами по каждому модельному животному на участках с разным уровнем радиоактивного загрязнения спустя 21 год после аварии. Обнаружена высокая изменчивость накопления 137Cs и 90Sr в организме разных видов мышевидных грызунов, что обусловлено комплексом причин. Сравнительный анализ биохимических и цитогенетических показателей выявил более устойчивое состояние организма мышевидных грызунов по совокупности происходящих в разных системах организма процессов повреждения и восстановления. Это связано со снижением пресса радиационного фактора и других антропогенных воздействий.
Postexercise Hemodynamics in Patients With Type 2 Diabetes: Effect of Exercise Intensity and Duration
Authors: Pellinger Thomas K. , Pearce Catherine B. , Simmons Grant H. , Snitzer Jack L. 
Published: July 2018

Background: For individuals with type 2 diabetes (T2D), the hemodynamic response to regular exercise is critical for regulating blood glucose, protecting vascular function, and reducing cardiovascular disease risk, but the hemodynamic responses to differing doses of acute exercise in T2D are unclear. We aimed to compare postexercise (PE) hemodynamics in patients with T2D in response to 4 doses of dynamic exercise.Methods: Eight subjects with well-controlled T2D (42–64 years old.; hemoglobin A1c: 6.6% ± 0.9%) participated in 4 study days, during which they exercised on a cycle ergometer at 4 different combinations of exercise duration and intensity: 30 min at 40% V˙O2peak (30@40), 30 min at 60% V˙O2peak (30@60), 60 min at 40% V˙O2peak (60@40), and 60 min at 60% V˙O2peak (60@60). Heart rate, arterial pressure, and femoral blood flow (Doppler ultrasound) were measured pre-exercise and every 15 min through 120 min PE. Femoral vascular conductance was calculated as flow/pressure.Results: Compared with pre-exercise baseline, femoral blood flow and femoral vascular conductance were higher through at least 105 min of recovery in all conditions (all P &lt; .05), except for the 30@40 trial. Compared with the pre-exercise measures, systolic blood pressure was lower through at least 75 min of recovery in all conditions (all P &lt; .05), except for the 30@40 trial.Conclusion: These results suggest that exercise must be at least moderate in intensity or prolonged in duration (&gt;30 min) to promote sustained PE elevations in skeletal muscle blood flow and reductions in systolic blood pressure in patients with T2D.
Formation of Mixed Micelles of the Environmentally Acceptable Oxy-Diester-Linked Gemini Surfactants with Brij 58
Authors: Panda Manorama , Kamil Mohammad 
Published: July 2018

Abstract
Three oxy-diester-linked cationic gemini surfactants (2,2′-[(oxybis(ethane-1,2-diyl))bis(oxy)]bis(N-alkyl-N,N-dimethyl-2-oxoethanaminium) dichloride, Cm-DEG-Cm (m = 12, 14, 16), were synthesized. The physicochemical properties of the gemini surfactants and their mixtures with Brij 58 were studied by surface tension measurements at various mole fractions and 30°C. The critical micelle concentration (CMC) of the gemini surfactants are smaller than that of their corresponding single-chain counterparts having the same number of carbon atoms in the hydrophobic tail versus polar head. At all investigated compositions, the experimentally obtained CMC values of the surfactant mixtures are smaller than the CMCideal (ideal CMC – CMC of the solution at ideal state); the lower CMC of the mixed systems compared to those the individual surfactants and the negative β values (for both the mixed micelles and monolayers) indicate a synergistic interaction among both the surfactant components. The interaction parameters (βm and βσ) of the mixed surfactant systems were evaluated by using theoretical models. Negative values of β imply an overall attractive force in the mixed state. Also, the free excess energy of mixing was found to be negative for all the systems.
Surface and Interfacial Properties of Mono and Didodecyl Diphenyl Ether Disulfonates
Authors: Bai Long , Liu Xiaochen , Jiao Tiliu , Wang Yong , Huo Yueqing , Niu Jinping 
Published: July 2018

Abstract
In this paper, monododecyl diphenyl ether disulfonate (C12-MADS) and didodecyl diphenyl ether disulfonate (C12-DADS) are Friedel-Craft reaction product of 1-dodecene and diphenyl oxide using sulfated zirconium as a catalyst, followed by sulfonation with fuming sulfuric acid in 1,2-dichloroethane and neutralization with aqueous sodium hydroxide solution. The relationship between the structures of the surfactants C12-DADS, C12-MADS and linear alkylbenzene sulfonate (C12-LAS) and their surface and interfacial properties was studied by measuring equilibrium surface tensions, dynamic surface tensions and dynamic interfacial tensions (IFT). The results show that the surface and interfacial activity of C12-MADS is better than that of C12-DADS and C12-LAS. The gemini surfactant C12-DADS shows most unfavorable surface and interfacial activity due to the fact that the cross-linked hydrophobic carbon chains decreases the number of exposed methyl in molecule. The dynamic surface tensions results show that the diffusion coefficients values of C12-MADS and C12-DADS are lower than that of C12-LAS, and the adsorption process of surfactants at air/water interface is a mixed diffusion-kinetic adsorption mechanism. The data of dynamic ITF between aqueous surfactants solutions and dodecane indicate that the NaCl and CaCl2 concentration has a weak effect on the stable value of dynamic IFT for C12-DADS. With increasing the NaCl and CaCl2 concentration, the stable values of dynamic ITF for the three surfactants mostly passes through a minimum at an optimum concentration, and the C12-MADS and C12-LAS can reduce the IFT to the 10−2 mN/m order of magnitude.
Adsorption and Surface Properties of Mixtures of Fatty Acid Methyl Ester Ethoxylates and Sodium Dodecylbenzene Sulfonate
Authors: Wen Pengpeng , Sun Yongqiang , Gao Yuyang 
Published: July 2018

Abstract
Adsorption behavior of mixtures of fatty acid methyl ester ethoxylates (FMEE) and sodium dodecylbenzene sulfonate (LAS) was studied and the adsorption parameters were calculated. The critical micelle concentration (CMC) and surface tension were measured by Wilhelmy plate method. Physicochemical properties of the mixtures were also investigated, such as cloud point and foaming property. The results show that the CMC of LAS was much higher than that of FMEE and decreased significantly by adding a low quantity of FMEE, while a powerful interaction between FMEE and LAS molecules in the micelles and the surface adsorption layer was exhibited. The cloud point and foaming property of the mixtures increased with increasing LAS content. An obvious change of the physical form of LAS solution by adding FMEE was observed.
COLHEITA DE MADEIRA DANIFICADA PELO VENTO: CARGA FÍSICA DE TRABALHO E RISCO DE LER/DORT AOS TRABALHADORES
Authors: Minette Luciano José , Schettino Stanley , Souza Amaury Paulo , Soranso Denise Ransolin , Barbosa Verilma Amparo 
Published: July 2018

Este estudo realizou uma avaliação ergonômica dos trabalhadores da colheita de madeira danificada pelo vento, no Estado de Minas Gerais, de forma a determinar os riscos ergonômicos a que os trabalhadores estavam expostos durante o desenvolvimento dessas atividades. Foi avaliado, para cada uma das atividades desenvolvidas, a carga de trabalho físico por meio da frequência cardíaca e o risco de LER/DORT, através da avaliação simplificada do fator biomecânico no risco para distúrbios músculo esquelético de membros superiores relacionados ao trabalho. Os resultados evidenciaram que o ambiente de trabalho estudado proporcionava diferentes riscos ergonômicos aos trabalhadores. Na avaliação da carga de trabalho físico, todas as atividades avaliadas encontraram-se acima dos limites de carga cardiovascular recomendados, o que expõe os trabalhadores ao risco de desenvolvimento de doenças ocupacionais, sendo necessária a reorganização do trabalho. A análise dos riscos de surgimento de LER/DORT indicou, da mesma forma, a necessidade de reorganização do trabalho, pois a execução das atividades oferecia risco alto a altíssimo de lesões ao trabalhador, principalmente devido à alta frequência de movimentos repetitivos associados ao esforço estático e ao manuseio de cargas pesadas, fatores presentes na rotina da colheita de madeira danificada por ventos.Palavra-chave: manejo florestal, risco ergonômico, saúde do trabalhador. WIND-DAMAGED WOOD HARVESTING: PHYSICAL WORK LOAD AND RSI/WRMD RISK TO THE WORKERS ABSTRACT:This study carried out an ergonomic evaluation of the workers of the harvest of wood damaged by the wind, in the State of Minas Gerais, in order to determine the ergonomic risks to which workers were exposed during the development of these activities. The physical workload by means of heart rate and the risk of RSI/WRMD by means of the simplified evaluation of the biomechanical factor in the risk for work-related upper limb musculoskeletal disorders were evaluated for each of the activities developed. The results showed that the work environment provided different ergonomic risks to workers. In the evaluation of the physical workload, all the activities evaluated were above the recommended limits of cardiovascular load, which exposes the workers to the risk of developing occupational diseases, being necessary the reorganization of the work. The analysis of the risks of the emergence of RSI/WRMD also indicated the need to reorganize the work, since the execution of the activities offered a high risk of injury to the worker, mainly due to the high frequency of repetitive movements associated with the static effort And to the handling of heavy loads, factors present in the routine of harvesting of wood damaged by winds.Keywords: forest management, ergonomic risk, worker’s health.