bluuebunny/crossref_metadata_2025_split huggingface dataset:
Research of Vertical Migration and Occurrence of Cd and As in Acid Paddy Soil under Simulated Irrigation
Authors: Jie Ren , Zhan Wen , Guochun Lu 
Published: January 2022

Abstract
According to the research of vertical migration and occurrence of Cd and As in acid paddy soil, the conclusions are as follows. The longitudinal migration of Cd in TZkb1, TZ1, TZ2, TZ3 and TZ5 found that Cd in the upper and lower layers of soil columns all lost to varying degrees with the increase of water injection contents (irrigation years). With the longitudinal leaching of irrigation water, when the adsorption capacity of the soil was greater than the water injection and rinsing capacity, the trend of accumulation (TZ4-TZ6) further appeared. The vertical migration results of As in TZkb1, TZ1, TZ2, TZ3 and TZ5 found that As mainly accumulated in the upper layer of soil columns. Without considering other output ways, it can be seen that the binding ability of As to acid paddy soil was stronger than Cd, and its cumulative efficiency in 20 years was higher than Cd. However Cd cumulative efficiency of TZ3 and TZ5 in acid paddy soil may be greater than As with time. In general, As was less affected by irrigation water on vertical leaching of soil columns compared with Cd.
Metal Fuels as Alternative Sources of Energy for Zero Carbon Emission
Authors: Liu T , Panahi A 
Published: January 2022

Abstract
Global climate change is a pressing challenge of the 21st century that has gained attention of scientists and governments. It has been proven that climate change is largely associated with human activities such as burning fossil fuels to produce electricity, which emits excessive amounts of carbon dioxide and greenhouse gasses. To combat this concern, carbon free alternative energy sources have been proposed. Current renewable energy sources such as solar and wind power are expensive and limited. However, metal fuels could prove to be one of the solutions for those limitations. Since fossil fuels are the most common source of energy production, to be viable on a global scale, any new form of carbon-free energy must be economically competitive with fossil fuels. This work will determine the theoretical economic costs of several different metals which have comparable energy densities with fossil fuels. Furthermore, this work will evaluate the viability of these metals on a global scale based on their economic costs compared to fossil fuels including natural gas, petroleum, and coal. Additionally, further economic comparisons will be conducted with other forms of renewable energies, such as solar power, wind power, and hydropower.
Using Recycling Aluminum Cans as Composite Materials Aluminum Fiber
Authors: Shoag Md , Rahman M F 
Published: January 2022

Abstract
The sustained and developing construction industry needs a vast amount of material because it is becoming more extensive and sustainable day by day. Problems are also increasing in line with development. Many advanced composite materials and solutions are coming up in the current construction industry to solve these problems. However, these require more comfortable and extensive use. For that, we have to find out cheap and sustainable materials. This research paper aims to combine advanced materials and solutions to create more sustainable solutions and new material. That will enrich the industry and increase more use in the path of development of the construction industry. The factors that have to consider in doing so, these materials and solutions are how much economical, available in the market, able to solve chronic problems, easier to use, and sustainability. Recycled aluminum cans are going to be the material for this study.
Multifunctional Landscapes for Resilient Neighbourhoods
Authors: Amritha P K 
Published: January 2022

Abstract
The rise in population has affected the environmental quality and liveability of urban areas. This brings in new challenges to address the resilience capacity of the cities. The multifunctionality of urban areas are considered to be one of the strategies to build urban resilience. The paper explores the development of multifunctional landscapes from a neighbourhood planning perspective. For this, it considers open spaces within a neighbourhood as an element which can be conserved and transformed to productive spaces where waste generated within a neighbourhood is treated and used for developing green spaces. Besides, the system provides an opportunity to transform such land parcels within the city into productive spaces thereby integrating solid waste management and landscape development sustainably. The proposed concept discusses the social, economic and environmental benefits of implementing such spaces which are inevitable in the pursuit of wellbeing and quality of life of the people in a resilient city. At a broader level, the system proposed contributes in making green spaces in any neighbourhood and in the long run, this concept should find its place in urban planning policies of similar city contexts to ensure that our cities, its system of waste management and their landscapes remain sustainable.
Some Thoughts on Building a Green and Low-Carbon Circular Economy System—Taking Shenzhen as an Example
Authors: Wang Zhi , Zhang Huizhi , Wu Siqi 
Published: January 2022

Abstract
The report of the 19th National People’s Congress of China proposed to implement the new development concept, promote green development, and establish a sound economic system for green and low-carbon circular development. As one of the most active coastal cities in China’s economic development, Shenzhen regards the development of green industries as an important measure to promote economic restructuring, emphasizes green innovation in science and technology, and has achieved certain results in green development. However, Shenzhen’s green development also faces problems such as lack of systematic and coordinated development strategies and institutional obstacles. Focusing on the strategic goal of “creating a pilot demonstration zone of socialism with Chinese characteristics”, the author discussed the governance path of Shenzhen’s construction of a green and low-carbon circular economic system from the perspective of effective governance, and formed a scientific decision-making mechanism, sound laws and regulations, and Countermeasures and suggestions in several aspects, such as the standard system, perfecting economic policies, and promoting the deep integration of science and technology policies and technological innovation.
Multi-Criteria Performance Evaluation System in the Industrial Heritage Reuse Plan
Authors: Weng C K , Lai C F , Chien Y C , Yeh W C 
Published: January 2022

Abstract
Industrial heritage is unique in terms of its patterns, reuse characteristics, economic relevance and social operations. Under the government’s “Industrial Heritage Regeneration Project”, a menu of outcome/performance assessments have been in practice and have evolved. This paper combines expert methods, the Analytic Hierarchy Process, and the Multi-criteria Evaluation Method, along with qualitative and quantitative data, to clarify the hierarchical structure and weight of factors that influence outcome/performances. The research purpose is to establish an integrated multi-criteria performance evaluation model for the reuse of industrial heritage. The findings identify a long list of factors by crossing the four major factors concerning the reuse of industrial heritage, namely regeneration creativity, operational management, implementation effectiveness and sustainable developments. Regeneration creativity is considered as the most important element, and the presentation of thematic plans and characteristics is the most important influencing factor. It is suggested that clarifications should be made concerning the factors that affect different facets in the execution of reuse initiatives. The research findings can serve as a reference for decision-making in reuse and development by reflecting the culture and value for the reuse and implementations of industrial heritage.
Braided River Irrigation used Siphon Method
Authors: Mulyawati F , Sudarsono I , Rusdi J F 
Published: January 2022

AbstractBraided River conditions would be a challenge if it used as a source of irrigation. Unfortunately, research on the use of Braided River as a source of water for irrigation is still rarely found, especially with the use of the Siphon method. This study examines the use of Braided River as a source of water for irrigation. The technique used is to build Siphon on the Braided River so that flowing water used as a source of water for irrigation.
Wave and sedimentation simulation of jetty construction to protect estuary, case study in Batang, Indonesia
Authors: Wahyudi N R , Wahyudi S I , Husni F , Subagyo A 
Published: January 2022

Abstract
To protect the estuary from sedimentation and waves need a jetty structure. This study discusses the alternative jetty design to be simulated for waves and sediments. The research was located in Batang Regency, Central Java Province. The study objective is to simulate wave and sediment for alternative estuary protection. Preliminary data are collected include topography and bathymetry, tidal observation data that include research area. The secondary data were wind data from BMKG of Semarang Station. The wind data used was each hour data for 16 years in the years 2004 to 2019. To simulate the wave and sediment, a software MIKE was used for the two alternative design. The first alternative using 2 jetties with 100 m length and the second alternative using two jetties with addition length for east side. Based on the sediment transport simulation result, the second alternative design put less 5 cm a year then the first alternative. The evaluation based on cost, time period construction, construction methods, According to the scoring, the first alternative design will be choose to the design and construction step.
Floating road construction on soft soil
Authors: Gultom J , Pratikso  , Rochim A 
Published: January 2022

Abstract
The main problem of road construction on saturated soft soils is due to their low bearing capacity and large settlement. One of the solutions to such problems is to install piled box culverts-geofoam. In this study, the pile box culvert-geofoam was modelled as raft foundation. This experimental study was conducted by making a prototype raft file foundation gradually loaded with a maximum vertical load of 20 kN. Different thicknesses of geofoam were utilized in order to observe the influence of thickness on the settlement. Furthermore, difference in settlement is also found when the culvert was constructed with and without geofoam. Thicker geofoam was observed to result in smaller settlement.
Assessing soil sealing and ecosystem services of urban front yards using Google Street View: A case study in Bloemhof district Rotterdam, the Netherlands
Authors: Heikoop TH 
Published: January 2022

Abstract
Private gardens play an important role as urban green space in cities and can improve the microclimate and address the impacts of climate change. Paving over front yards, soil sealing, reduces the environmental benefit of front yards. Residential private front yards comprise a considerable portion of land and green space in the suburbs of cities. Currently there is no method available to determine sealed soil percentages of private front yards. This study took place in the Bloemhof suburban district in Rotterdam. Four streets were selected and a total of 123 houses with 105 private front yards were assessed. Five sealed soil reference categories were defined and Google Street View (GSV) images were used to assess the front yards. This study found that the aggregated sealed soil percentages of the private front yards in the four selected streets are very high: 69%, 78%, 96%, and 97%. These front yards have a significant greening potential. The new insight in this study is that the use of Google Street View images for categorisation of front yards leads to values for individual front yard that can be used for comparison and for establishing sealed soil values per street.
Analysis of the Jelawat Park roles based on space use for community education towards river functions sustainability
Authors: Rahman B 
Published: January 2022

AbstractJelawat Park of Sampit City is a city park located in the city center and in a river bank area. Utilizing the river as one of the main views of the area, Mentaya River and the icon of Jelawat fish statue are the vocal points of Jelawat Park that attract visitors to pay a visit. The river which is the viewpoint of the area has attracted many visitors to Jelawat Park, but a question may rise: whether Jelawat Park gives an effect on Mentaya River. This study aims to analyze the roles of Jelawat Park based on space use for community education towards the sustainability of Mentaya river functions. The Jelawat Park space use consists of 4 spaces, namely the core-park, river view, playground and supporting spaces. A quantitative methodology was used and assisted by frequency distribution analysis to give meaning cluster results in each space. The result of this study is that the river view space provides the highest cognitive and affective aspects to the community regarding the river functions. The conclusion is that the closer a space is to the river, the higher cognitive and affective effects on the river will be, but the proximity of a space to the river will decrease the cognitive and affective effects if the activity in that space is unrelated to the river.
Residential Space Transformation in Support of Waterfront City (Case Study: Arut River, Pangkalan Bun)
Authors: Puspitasari A Y , Ramli W O S K 
Published: January 2022

Abstract
The Arut River flows through the city of Pangkalan Bun in Central Kalimantan and is the forerunner of the formation of this city. The structure of the residential space formed by houses on stilts and wooden roads further strengthens the existence of riverside settlements. The settlements on the banks of the Arut River currently function not only as residences but also tourist attractions with the concept of a waterfront city. Waterfront city in Pangkalan Bun City began to be developed in 2018 in Mendawai Village. Tourism activities on the banks of the Arut River have affected the use of residential space, so this study aims to find changes in residential space as a result of the development of tourism activities. The research methodology used is rationalistic qualitative with an empirical and spatial approach. The results showed that public residential spaces such as roads and rivers underwent more changes, on certain days and hours the street space turned into parking, selling areas, and sitting/“hanging out” areas. Private spaces such as houses also turn into stalls/shops and inns.
Water demand management at rural area using Micro-Component Analysis: a case study at Kenyir Lake, Malaysia
Authors: Azlan N N I M , Saad N M , Norhisham S , Malek M A , Shkuri N S M , Zolkepli M , Ean L W , Mohamad A M 
Published: January 2022

Abstract
Water is one of the cornerstones in human survival and a necessity for socio-economic development. Due to that, effective management of water demand especially in the rural area becomes vital. The objective of this study is to conduct a water demand study at Kenyir Lake, Terengganu using Micro-Component Analysis (MCA). Water demand is also being assessed using National Water Services Commissions (SPAN) Guidelines, parallel to water guidelines applied for Malaysia’s building and comparison purposes. MCA considers detailed parameters of water use activities of the respective study area, whereas SPAN Guidelines use the fixed values of average daily water demand according to the type of building. The available dataset was interpreted using MCA and SPAN Guidelines, resulting in total daily water demand at Kenyir Lake of 1249.8 m3 and 1254.1 m3 respectively. Estimated water demand using SPAN Guidelines is found to be higher than MCA. The value differences occur due to the average water demand value in the guideline that is limited to a specific type of premises and does not comply with premises there. The estimated water demand can be adopted as a baseline for water companies and the government to improve the demand and supply of water.
Analysis Of The Clean Water Service Capacity of The Regional Drinking Water Company (PDAM) In Cirebon Regency, Indonesia
Authors: Safitri A , Wahyudi S I , Soedarsono  
Published: January 2022

Abstract
The provision of clean water for the community is not optimal, so that the distribution of water is not evenly distributed. The distribution network of PDAM Tirta Jati serves Taman Tukmudal Indah Housing, Sumber District, which is supplied from Cigusti springs with a gravity drainage system, currently reaching 1,037 units of house connections. Geographic Information Systems visualize spatial data related to positions on the earth’s surface. Analysis of Clean Water Service Capacity in the discussion of clean water quality that has been tested in the Bandung Institute of Technology laboratory. The samples tested for analysis showed that the clean air quality met the quality standards. The standard of clean water needs is 60 liters/person/day. Continuity shows that the clean air pressure is not in accordance with the minimum standards that have been determined because most of the air pressure is still low. The lowest air pressure = 1.00 meters, and the highest = 50 meters, the lowest average air pressure is at 22:00 and the highest is at 09:00. The minimum air pressure that must be met is 1.0 atm. This pattern is expected to maintain the quality, quantity, and continuity of clean water services.
Stock identification of Kawakawa Euthynnus affinis (Cantor, 1849) from Peninsular Malaysia using discriminant analysis
Authors: Binashikhbubkr Kh , Naim D 
Published: January 2022

Abstract
Small epipelagic and migratory, Eutynnus affinis (kawakawa) is one of the commercially significant tunas of Indo-Pacific’s tropical and subtropical waters. Consequently, successful management must ensure its sustainability. Unfortunately, the management and stock structure of certain migratory species in the area are not clear. The current study aimed to discriminate the E. affinis through body shape variations and to evaluate the variations among seven populations of E. affinis. A total of 114 individuals of E. affinis collected from two main geographic area, Straits of Malacca and South China Sea. Multivariate analyses, such as discriminant function analyses (DFA) of 12 morphometric characters was carried out to discriminate seven populations of E. affinis. The results revealed there is a significant variation among the body shape and seven populations of E. affinis. The average shapes of populations from Terengganu, Kelantan, and Johor were approximately similar to each other. In contrast, the average shapes of populations from Selangor were separated. This present study is the first report using morphometric method conducted on E. affinis from Peninsular Malaysian waters.
Growth and survival rate of freshwater lobster (Cherax quadricarinatus) fed different forage feed
Authors: Samad A P A , Isma M F , Ayuzar E , Ilhamdi  , Humairani R , Santi F 
Published: January 2022

Abstract
Lobster is among freshwater crustaceans which is potentially cultivated in aquaculture system. This present study was conducted to determine the growth and survival rate of freshwater lobster Cherax quadricarinatus fed different forage feed. The experimental methode used a completely randomized design consisted of 4 treatments in triplicate: commercial diet (PL), commercial diet and carrots (PW), commercial diet and potatoes (PK) and commercial diet and sweet potatoes (PU). The experimental lobsters were 5-7 cm in size and 6-8 g in weight. Results indicated that forage feeding can affect the total weight and length, weight gain, specific growth rate and survival rate of lobster. Data showed the best weight gain and specific growth rate were found in PW (34.37±0.30%) and (1.05±0.03%), respectively. The lowest survival rate was seen in PU at 86.67%. However, the best feed conversion ratio gained by PL at 1.74±0.09. This study suggested that the combination of commercial diet with carrots provided the best growth performances in freshwater lobster Cherax quadricarinatus.
Study of the anisotropy of carbon steel sheet by the tensile test
Authors: Sicoe Gina Mihaela 
Published: January 2022

Abstract
In test laboratories, the characteristics of the sheets shall be determined by the tensile test on specimens taken in the direction perpendicular to the rolling direction, and these characteristics shall be used as the date of entry into the process of calculating the parts made of the sheet. In the case of parts with special characteristics such as safety parts in the automotive industry, or for mechanically stressed parts in a certain direction, it is important to know precisely the values of the mechanical characteristics of the sheet in relation to the rolling direction, so as to ensure the required resistance. Also, in the case of stamped parts, their quality is all the better the lower the anisotropy. The paper presents the results of experimental research on the mechanical characteristics of the sheet DC04 with a thickness of 0,65 mm, determined by tensile testing on sets of 7 test specimens, taken every 15 degrees from the rolling direction.
Turbocharger surge behavior for sudden valve closing downstream the compressor and effect of actuating variable nozzle turbine
Authors: Danlos A , Podevin P , Deligant M , Clenci A , Punov P , Guilain S 
Published: January 2022

Abstract
Surge is an unstable phenomenon appearing when a valve closing reduces the compressor flow rate. This phenomenon is avoided for automotive turbochargers by defining a surge margin during powertrain system design. This surge margin established with measurements in steady state testing regime limits the maximal engine torque at low levels of output. An active control of the compressor could reduce the surge margin and facilitate a transient compressor operation for a short time in surge zone. In this paper, an experimental study of the transient operation of a turbocharger compressor entering the surge zone is performed. Control of the turbocharger speed is sought to avoid unsteady operation using the variable geometry turbine (VGT) nozzle actuator. From a given stable operating point, surge is induced by reducing the opening of a valve located downstream of the compressor air circuit. The effect of reducing the speed of rotation by controlling the VGT valve is investigated, as this should lead to more stable compressor operation. The rotation speed of the turbocharger is controlled to avoid an unstable operating point using servo-actuator of variable geometry turbine. From a stable operating point, the surge appearance is caused by closing a butterfly valve downstream the air circuit of the compressor. The effect on the compressor rotation speed when the opening of variable geometry turbocharger valve is modified is studied. Measurements have been conducted for different control profiles of the VGT valve placed downstream the compressor. This article presents the means used to carry out these tests as well as the results of the measurements of the instantaneous signals of pressure, temperature, flow rate and rotation speed, allowing the analysis of the surge phenomenon.