bluuebunny/crossref_metadata_2025_split huggingface dataset:
Conversion of unheated basements and the conditioning of their indoor climate
Authors: Hoffmann Caroline , Geissler Achim , Huber Heinrich , Hauri Claudia 
Published: November 2019

Abstract
This paper deals with unheated basements in existing buildings. Due to soaring housing prices these rooms may be increasingly used for the storage of sensitive goods and temporarily for leisure activities. In order to keep these rooms free of mould various technical solutions are available. However, it is unclear whether they prevent mould growth and how high their energy demand is. This question is explored by simulating an unheated basement in an uninsulated, a renovated and a newly built building. Each basement can be operated in four modes: (1) natural ventilation, (2) an extract ventilation, which is activated according to the difference of partial vapour pressure between inside and outside (dampguard), (3) an air dehumidifier and (4) an electrical heating. The simulations with ESP-r are performed for three climates in Switzerland. Results confirm that in new buildings the probability of mould growth is negligible. In the other building types, mould growth can be prevented only with an air dehumidifier or a dampguard. However, only the latter process proves to be energy efficient. When assessing higher temperatures due to climate change in most cases the risk of mould growth remains unchanged and to a lesser extent increases or decreases.
Improving the resilience in urban environment by applied research for the development of a simple equation-based Energy Conservation Building Code for India
Authors: Jaboyedoff Pierre , Maithel Sameer , Bhanware Prashant , Chetia Saswati , Kapoor Vernica Prakash , Rana Satyendra , Lall Ashok B. , Mohan Salil 
Published: November 2019

AbstractThis contribution presents the approach and methodology followed by the Building Energy Efficiency Project (BEEP) [1] to contribute to the improvement of energy efficiency and climate change resilience for multi-story residential buildings in the rapidly growing urban construction in India. As a consequence, the urban resilience will be improved at two levels: 1) the improved thermal comfort in non-air-conditioned apartments will reduce the health-related heat wave impact, 2) the cooling energy demand in air-conditioned apartment will be reduced by 20-40%. The impact of the Energy Conservation Building Code for Residential (ECO Niwas Samhita) was launched in December 2018 by the Indian Government. It has been estimated to reach a cumulative 100 Million tons of CO2 emission reduction by 2030.The Code was developed with the main objective to reduce heat gains between 20 to 40% through the building envelope by passive measures at no or marginal additional costs of construction.
Color neutral nanocomposite nickel-tantalum oxide for electrochromic windows
Authors: Bouvard Olivia , Schüler Andreas 
Published: November 2019

Abstract
Electrochromic windows can darken on demand to limit the solar gains entering a building to reduce the risk of overheating, while preserving the view towards the exterior. Yet, the switching speed and contrast as well as the durability of commercial products still need to be improved. Novel materials are investigated to address these shortcomings. Since gel or polymer electrolytes limit the durability of electrochromic glazing, all-solid state, inorganic devices are considered. The optical properties of doped nickel oxides were studied in order to obtain a color neutral anodic electrochromic oxide. The addition of tantalum was shown to increase the light transmittance and to provide a coating with better color neutrality compared to nickel vanadium oxides. The study of the crystalline structure by X-ray diffraction suggests that a nickel oxide-tantalum pentoxide nanocomposite is formed. These results are encouraging to use nickel tantalum oxide as an anodic electrochromic oxide.
Complex thought incidence on the transversality of knowledge management on economic and business sciences
Authors: Cárdenas García M , Cañizares Arévalo J de J , Vargas Ortegón R 
Published: November 2019

Abstract
The main purpose of this paper is to unveil the context and conceptions linked to knowledge management, to be internalized by the pedagogical procedures from the Economic and Business sciences programs process at “Universidad Francisco de Paula Santander”. This research was conducted under the qualitative method, supported by the phenomenological - hermeneutic paradigm together whit the complementary method ethnography. As results from the analysis units, it was observed that knowledge management intention recalls in creating organized knowledge networks between plans and programs reflected in the curriculums, so in that way, “open a new path” in new knowledges and theoretical postulates, which after been applied could generate new spaces in function to the actual society requirements, and the daily changes which impact people and social groups in a directly way. As conclusion, in the management of knowledge, institutional and classroom management are combined, which are then supported by the complementarity, without leaving apart the complex though, and this, when articulate with pedagogy makes the didactic more dynamic and proactive.
Different scenarios for the teaching of mathematics with the support of virtual platforms: Flipped classroom
Authors: Prada R , Hernández C A , Gamboa A A 
Published: November 2019

Abstract
This text shows the initial findings of an investigation that sought to implement an alternative model for the teaching of mathematics at a public university in Norte de Santander, Colombia, using virtual platforms to support teaching. The research paradigm focuses on the mixed method to identify the positive elements and aspects to improve of this didactic proposal. Among the findings, it is highlighted that one of the difficulties in implementing this tool refers to the limitations of space in the material attached to the platform, which meant proposing only the links of the material created. Implications for teacher training and suggestions for future implementations are discussed.
Operational performance of agricultural machineries managed by custom hiring (UPJA) in Banyumas district of Central Java province
Authors: Purwantana B , Murtiningrum  , Markumningsih S , Makky M , Anwar A 
Published: November 2019

Abstract
Agricultural mechanization has important role in increasing capacity, efficiency, and effectiveness of agricultural production process. In order to mechanize Indonesian agricultural system, Ministry of Agriculture has facilitated farmers with many agricultural machineries. Farmer institutions that were designated to utilize and manage those agricultural machineries are Agricultural Machinery Custom Hiring (UPJA). In this research, the operational performances of agricultural machineries managed by the UPJA in Banyumas District were studied. The research were done by desk study, focus group discussion, field survey to 7 UPJA, and measuring the performance of machineries utilized by those UPJA. The results showed that all of UPJA were in beginner status. The common owned and operated agricultural machinery was hand tractor, while four wheel tractor, rice transplanter, power weeder, and rice combine harvester were limited. In general the operational performances of the machines were low. The most factors affected the performance were time required for transportation from garage to the field. In case of hand tractor, the time consumed was 9.46 % of total working hour. For four wheel tractor, rice transplanter, and rice combine harvester, the time required for transportation were 4.19%, 8.16%, and 7.18% respectively. The other factors slightly affected the performance were time losses due to machine preparation and machine trouble. It is suggested to facilitate farm road and towing truck to transport the machines, or develop garage not far from field.
Crop water requirement calculations of Longan (Dimorcapus longan L.) in Nawungan Orchard, Selopamioro Village, Imogiri Sub-District, Bantul, D.I. Yogyakarta
Authors: Rahmadi N A , Murtiningrum  , Nugroho B D A , Ngadisih  , Pradipta A G , Tirtalistyani R , Prayoga D A , Maharani A A S E 
Published: November 2019

Abstract
This research was aimed to measure actual evapotranspiration, to determine of water requirement and crop coefficient (Kc) of longan (Dimorcapus longan Lour.) was cultivated in Longan Nawungan orchard, Selopamioro Village, Imogiri Sub-district. Plot scale of water balance was applied to determine ETa, with input components were rainfall and irrigation, while output were ETa, water storage (ΔSM), and surface runoff (SRO). Components of runoff was measured using tank and the moisture content was measured using gravimetry method. Automatic weather station was installed in Nawungan orchard to record rainfall, wind speed, air humidity, and intensity of solar radiation. Later, the climatic data were used to calculate the reference evapotranspiration (ETo) using Penman-Monteith method. Due to agroforestry and mix cropping system, longan trees were cultivated among seasonal crops and other trees, then the dual crop coefficient (Kc) was preffered. During February-Maret 2019, the value of rainfall and surface runoff were 640 mm during observation period and 0,08 mm, respectively. The reference evapotranspiration (ETo) and actual evapotranspiration (ETa) were 5,76 mm/day and 7,90 mm/day, respectively. The crop coefficient of longan in the site study area was 0,30.
Factors Affecting Consumers’ Perception and Willingness To Pay Toward Yogyakarta Local Black Rice
Authors: Putri Y R , Ismoyowati D , Jumeri  
Published: November 2019

Abstract
This study aims to determine the factors that influence consumer perceptions of local black rice in Special Region of Yogyakarta (Yogyakarta) and consumer willingness to pay (WTP). Consumer perceptions and WTP need to be known in order to expand marketing and preserve the sustainability of local black rice in Yogyakarta, and can be input for producers in developing marketing strategies. Data collection used purposive and snowball sampling techniques with questionnaires and interviews with black rice consumers in Yogyakarta, namely Sleman, Bantul, and Gunungkidul Regency. The method used was descriptive analysis, factor analysis, and Contingent Valuation Method (CVM). The results showed that the majority of black rice consumers in this research were women (64%) with ages between 18-27 years. The factors that influenced consumer perceptions of black rice were quality attribute factor with an eigenvalue value of 9,365, purchasing location factor (2,980), socialization of the benefits of black rice to consumers factor (1,885), product superiority compared to white rice factor (1,502), price according to benefits factor (1,103), and packaging factor (1,065). The average price of black rice is 264% of the white rice price.
How respiratory gas diffusivity correlates with porosity of plant organ tissues
Authors: Nugraha B , Verboven P , Janssen S , Nicolaï B 
Published: November 2019

Abstract
Gas diffusion in bulky plant organs is relevant for understanding the respiratory metabolism. Limited tissue diffusivity due to low porosity may create gas concentration gradients leading to hypoxia. As porosity is known to be different between and within different tissues, oxygen (O2) diffusivity cannot be regarded as a homogeneous gas transport parameter of plant organs. This study aims to study the relationship between O2 diffusivity and porosity for tree different horticultural products: eggplant, apple, and turnip, which have shown variability in tissue microstructure. Based on X-ray CT images, porosity maps of the whole fruit and vegetable have been previously created. O2 diffusivity was computed using a microscale model solved on the corresponding 3-D tissue microstructure of different samples across the product, derived from high resolution X-ray CT scan. The correlation between O2 diffusivity and porosity was determined along the radial tissue sample, as affected by region of interest (ROI) size. The correlation was strong in eggplant tissue (R2 = 0.95), compared to the other products. Distinct distribution of the O2 diffusivity to the porosity was influenced by the physical characteristic of tissue intercellular space. The reduced ROI size changed the O2 diffusivity-porosity relationship, caused by the change in physical structure of the tissue. In conclusion, the tissue diffusivity did not linearly link to the porosity, other microstructural parameters and the size of the considered tissue sample affected the correlation
Effect of ultrafine bubbles water on seed germination
Authors: Purwanto YA , Maulana NN , Sobir  , Sulassih  , Naibaho N 
Published: November 2019

Abstract
Ultrafine Bubbles (UFBs) technology is a new and emerging science, capable of infusing UFB in liquids for long periods of time. UFBs is extremely small gas bubbles in liquid with diameter less than 10−6 m. This paper discussed the application of ultrafine bubbles water for seed germination. Seed germination is the process from seed to a sprout in which the metabolic process of a plant gets activated after a period of dormancy. A high seed germination percentage is important for vegetable production. Comparison experiments of seed germination rate were performed using distilled water and water containing ultrafine bubbles. This experiment utilized the dissolved oxygen concentrations of distilled water with approximately 10 and 20ppm. The result indicates that the application of ultrafine bubbles water had a positive effect on the germination rate of seeds.
Waterflow in the Paddy Field Installed with Sheetpipe Mole Drains
Authors: Setiawan BI , Saptomo SK , Arif C , Sulaiman AA , Herodian S , Matsuda H , Tamura K , Inoue Y 
Published: November 2019

Abstract
Sheet-pipe is a sort of perforated mole drain placed horizontally between 30–50 cm below the land surface commonly having a water-logged problem. The sheet-pipe can be installed with a heavy machine mole drainer. The primary purpose of installing sheet-pipe is to maintain or control the expected water table in farmlands. Sheet-pipe having a diameter of 5 mm has been installed at a depth of 40 cm with a drain spacing of 4 m and length of 100 m covering a paddy field of 1 hectare located in Sukamandi District, Subang Regency, West Java, Indonesia. Field investigation and numerical studies were undertaken to figure out water head profiles surrounding the sheet-pipe. The paddy field installed with sheet-pipe can be drained faster (2 times), and in consequence, its water level can be managed easier. Right after an effective rainfall event (34 mm), the rainwater immediately infiltrates downward resulting in a parabolic curve of infiltration rate (maximum rate 0.94 cm/h) which differs with a standard infiltration curve (steady state 0.121 cm/h). Water level profile is horizontally flat except at the points closer to the sheet-pipe, which is showing the presence of outward gradients of the water head. The electrical conductivity was low (0.33 Ms/cm) due to the leaching effect.
Premix Flour for Preparation of Empek-Empek Based on Surimi Technology
Authors: Tawali AB , Manggabarani S , Ramli AR , Sirajuddin S , Made S , Mahendradatta M 
Published: November 2019

Abstract
Empek-empek is one of signatured food from Indonesia which made from fish paste, tapioca starch, and other additional ingredients. The objective of this present work was to develop premix flour for making empek-empek using mackerel surimi and to evaluate their chemical characteristic and sensory attributes of the product. The mackerel fish was made into surimi, powdered, then mixed with tapioca starch and other additional ingredients. The following aspect were characterized including moisture, fat, protein, ash, carbohydrate content, and sensory acceptability of the premix product. The results showed that mackerel surimi flour at level of 66,67% is the recommended formula. The empek-empek which made from this premix flour presented hedonic score “like” for color and “like moderately” for aroma, texture and flavor. In conclusion, our premix can be used for preparing empek-empek with less complicated process and the product did not have any negative results on sensory acceptability.
Analysis of domestic and smallholder farm water demand in Kaajhu Village Baitussalam Sub-district Aceh Besar District
Authors: Ramli I , Jayanti DS , Hidayat A 
Published: November 2019

Abstract
The pipeline system of clean water providers is a very important part because it functions to deliver clean water to every home so that water can flow continuously and meet the needs of the community. This research was to analyze the domestic and smallholder farm water demand in Village Kajhu Baitussalam Sub-district, Aceh Besar District using EPANET 2.0. Pipeline network information obtained from PDAM Tirta Mountala. The data obtained are water supply, water demand, flow, velocity, pipe diameter, pipe length, pipe type and pipe elevation. The results of the EPANET 2.0 analysis were interpreted in the form of pipeline network maps. The maps shows the water flow received by pipelines, pressure, pressure loss and velocity. Based on research, water needs for smallholder farm has been sufficient. Water required for smallholder farm is 658 m3 a day while average debit through irrigation channel is 135.648 m3 a day. Domestic water requirement of 0,499 dm3/sec, while the average discharge based on the simulation result is 0,422 dm3/sec. Water Distribution to the research location is still not functioning optimally because there are several criteria of pipeline network that has not been fulfilled such as the water debit in the channel is not sufficient, here is a pipe with speed less than 0.6 m / s, node with low pressure pipe length, pipe diameters and the distribution is still uneven.
Water productivity analysis in irrigated central rice production area of SolokRegency, Indonesia
Authors: Anika N , Farhani AC , Fil’aini R , Cahyani D 
Published: November 2019

Abstract
To feed the increasing world population, the demand for food and consequently irrigation water is predicted to increase in the future. However, the amount of water available for agriculture is increasingly becoming uncertain in the face of global climate change. Therefore, improvement in water productivity is necessary for sustainable production of crops such as rice. Water productivity varies across regions and across fields within a region, and is dependent on several factors such as crop patterns, climate patterns, irrigation technology and field water management, land and infrastructure, and other inputs, including labor, fertilizer, and machinery. The objective of this study was to estimate water supply and demand in Sumani watershed, a primary rice-producing region, to analyze water productivity for sustainable rice production. Approximately 30% of the area in Sumaniis paddy fields, which depend on the availability of water resources. In this area. Approximately 67% of the rice fields are cultivated three times a year. In general, the planting schedule of rice is divided into three periods: main planting season (wet season), Gadu planting season (planting in the end of wet season and harvesting in the dry season), and dry planting season. Although the planting schedules are not uniform, we assumed these as uniform, to simplify the analysis, by using majority cropping schedule in the study site. To ensure water availability in the dry season, four types of irrigation systems were used: technical irrigation (TI), semi-technical irrigation (STI), simple irrigation (SI), and non-government irrigation (NGI). The results showed thatdepending on the planting season and irrigation system, water productivity varied from 0.33 kg/m3 in the Gadu season in areas irrigated by the SI and NGI systems to 0.73 kg/m3 in the wet season in area irrigated by the TI system. The average water productivity in the study area was 0.53kg/m3. Water productivity in this study area was lower than the average water productivity in other rice production areas in Java and Bali.
Mineral contents in fermented bean shells of Forastero-cocoa (Theobroma cacao L.) clones
Authors: Assa A , Asriati D W , Indriana D , Sampebarra A L 
Published: November 2019

Abstract
The cocoa bean shell (CBS) is a valuable by-product obtained from the chocolate industry. It is rich in protein, minerals, ash and some valuable bioactive compounds. One of the post-harvest processes affecting the mineral contents in CBS is fermentation. The purpose of this study is to determine the mineral contents in CBS of Sulawesi 1, Sulawesi 2, and MCC 02 clones for 24, 48, 72, 96, and 120 h of fermentation. Method analysis was used Atomic Absorption Spectrophotometer. Research will be conducted at the Laboratory of Chemical and Microbiology Testing, Center for Plantation Based Industry. The results showed that types of clones, fermentation time, and their interaction affect mineral contents in CBS. The highest mineral contents of CBS were Ca in Sulawesi 2 clone (48 h), Mg (96 h) and Na (48 h) in Sulawesi 1 clone, while K (24 h) and Zn (120 h) in MCC 02 clone. Total mineral contents of CBS were significantly affected by fermentation and types of clones.
Scientific, technological, economic and environmental role of coal and carbonate mineral resources in the strategic development of the fuel, energy and chemical complexes of Russia and the Far East
Authors: Zhukov A V , Agoshkov A I 
Published: November 2019

Abstract
When implementing the organizational and technological model of innovative production, the following combined areas of mineral processing and new products are planned at the first stage: 1) processing of carbone-carbonate mineral raw materials: calcium carbide, carbon dioxide (in gaseous, liquid or solid state); 2) acetylene, plant growth regulators (REGGROST), plant protection products (TAKAR). Products of fuel and non-fuel purposes at the second stage: 1. synthetic ethyl alcohol (ethanol), antifreeze, ethylene glycol, dichloroethane, synthetic drying oils, acetone, etc.; 2. carbamide (urea), ammonia, nitrogen in the gaseous and liquid state, methanol, gasoline, etc.
Problems and methods of improving the quality of jaw crushers
Authors: Nikitin A G , Bazhenov I A 
Published: November 2019

Abstract
Practically in all metallurgical treatment the raw product needs to be crushed by crushing machines. The main indicator of the crushers quality, which characterize their technical level and competitiveness, is their reliability and durability in the operating conditions, which can be quantitatively assessed by the number of failures in the process of obtaining the finished product on the machine. Among numerous technical reasons for the relatively short, but rather frequent downtimes in the operating conditions of jaw crushers, a significant place is occupied by the downtimes associated with the replacement of the plain bearing liners due to their wear. The rapid wear of liners is the result of not only contact friction between the axle trunnions and liners, but also the action of dynamic forces. The dynamic forces arising from the operation of jaw crushers are due to the presence of a gap in the kinematic pair of link junctions and velocities discrete values of the relative displacement of the links inside the gaps of the friction bearing. Consequently, the reliable operation of the machine largely depends on the creation of conditions that ensure the backlash-free contact of the mating links. It was experimentally proven that the use of mechanisms for taking up the wear of bearings with elastic elements that during the entire cycle of operation of the crank-beam mechanism taking up the wear in the kinematic pairs mating, prevents the appearance of additional dynamic loads and, thereby, increases the reliability of jaw crushers. Thus, the quality of the machine increases, as well as its productivity.