scholarly journals From Enzyme Stability to Enzymatic Bioelectrode Stabilization Processes

Catalysts ◽  
2021 ◽  
Vol 11 (4) ◽  
pp. 497
Author(s):  
Charlène Beaufils ◽  
Hiu-Mun Man ◽  
Anne de Poulpiquet ◽  
Ievgen Mazurenko ◽  
Elisabeth Lojou
Keyword(s):  
Protein Engineering ◽  
Scale Development ◽  
Large Scale ◽  
Enzyme Stability ◽  
Electricity Production ◽  
Second Step ◽  
Redox Enzymes ◽  
Weak Stability ◽  
Protein Instability

Bioelectrocatalysis using redox enzymes appears as a sustainable way for biosensing, electricity production, or biosynthesis of fine products. Despite advances in the knowledge of parameters that drive the efficiency of enzymatic electrocatalysis, the weak stability of bioelectrodes prevents large scale development of bioelectrocatalysis. In this review, starting from the understanding of the parameters that drive protein instability, we will discuss the main strategies available to improve all enzyme stability, including use of chemicals, protein engineering and immobilization. Considering in a second step the additional requirements for use of redox enzymes, we will evaluate how far these general strategies can be applied to bioelectrocatalysis.

scholarly journals Correction to: Methane and Electricity Production from Poultry Litter Digestion in the Amazon Region of Brazil: A Large-Scale Study

2021 ◽  
Author(s):  
Marcelo Mendes Pedroza ◽  
Wanderson Gomes da Silva ◽  
Luciene Santos de Carvalho ◽  
Alice Rocha de Souza ◽  
Girlene Figueiredo Maciel
Keyword(s):  
Large Scale ◽  
Poultry Litter ◽  
Amazon Region ◽  
Electricity Production ◽  
Large Scale Study

When the Complexity of the Large-Scale Development Project Becomes a Roadblock to Access to Justice

2021 ◽  
pp. 1-8
Author(s):  
Pillkyu HWANG ◽  
Yae-Ahn PARK
Keyword(s):  
Scale Development ◽  
Large Scale ◽  
Development Project ◽  
State Enterprise ◽  
Access To Justice ◽  
South Korean ◽  
Western Power ◽  
Power Company ◽  
Hydropower Dam ◽  
To Come

On 23 July 2018, when the villagers gathered around the porch to wrap up the day with a good chat, one of the five auxiliary dams of the Xe-Pian Xe-Namnoy hydropower dam in Attapeu province, the southeastern state of Laos, collapsed. Four days before the collapse, reports of cracks and subsidence started to come through. It should have been enough to prompt evacuation warning issuance by the Xe-Pian Xe-Namnoy Power Co. Ltd (PNPC), a consortium of South Korean companies SK Engineering and Construction (SK E&C) and Korea Western Power Company (KOWEPO), Thailand-based RATCH Group, and Lao Holding State Enterprise (LHSE). PNPC has a Concession Agreement with the Laos government ‘to plan, design, finance, construct, own, operate and maintain’ the Xe-Pian Xe-Namnoy hydropower dam. The warning was issued, but it came too late.

Spatial organization of rural territories

2021 ◽  
pp. 751-756
Author(s):  
Sevostyanov A.V. Sevostyanov A.V. ◽  
V.A. Sevostyanov ◽  
A.P. Spiridonova
Keyword(s):  
Scale Development ◽  
Rural Population ◽  
Large Scale ◽  
Spatial Organization ◽  
Low Density ◽  
Rural Settlements ◽  
Residential Areas ◽  
Complex Development

This article covers the issues raised by the objectives of the "The Program for complex development of rural territories" and its subprogram "Providing rural population with affordable and comfortable housing". The authors substantiate the concept "rural agglomeration" and make the suggestions on how to choose rural settlements and land plots suitable for large-scale development of low-density residential areas.

scholarly journals Probabilistic downscaling of precipitation data in a subtropical mountain area: a two-step approach

2011 ◽  
Vol 18 (2) ◽  
pp. 223-234 ◽  
Author(s):  
R. Haas ◽  
K. Born
Keyword(s):  
Complex Terrain ◽  
Large Scale ◽  
Distribution Functions ◽  
Data Availability ◽  
Cumulative Distribution ◽  
Second Step ◽  
Mountain Area ◽  
Investigation Area ◽  
Distribution Parameters ◽  
Mountain Environment

Abstract. In this study, a two-step probabilistic downscaling approach is introduced and evaluated. The method is exemplarily applied on precipitation observations in the subtropical mountain environment of the High Atlas in Morocco. The challenge is to deal with a complex terrain, heavily skewed precipitation distributions and a sparse amount of data, both spatial and temporal. In the first step of the approach, a transfer function between distributions of large-scale predictors and of local observations is derived. The aim is to forecast cumulative distribution functions with parameters from known data. In order to interpolate between sites, the second step applies multiple linear regression on distribution parameters of observed data using local topographic information. By combining both steps, a prediction at every point of the investigation area is achieved. Both steps and their combination are assessed by cross-validation and by splitting the available dataset into a trainings- and a validation-subset. Due to the estimated quantiles and probabilities of zero daily precipitation, this approach is found to be adequate for application even in areas with difficult topographic circumstances and low data availability.

scholarly journals Establishing Land Suitability Criteria for Cashew (Anacardium occidentaleL.) in Indonesia

2014 ◽  
Vol 2014 ◽  
pp. 1-14 ◽  
Author(s):  
Widiatmaka ◽  
Atang Sutandi ◽  
Anas Iswandi ◽  
Usman Daras ◽  
Muhammad Hikmat ◽  
...  
Keyword(s):  
Scale Development ◽  
Site Selection ◽  
Large Scale ◽  
Land Suitability ◽  
Productivity Index ◽  
Internal Boundary ◽  
Yield Response ◽  
Boundary Line ◽  
The Relationship ◽  
Boundary Lines

Commodity development requires site selection which should be established prior to large scale development. The land suitability criteria for cashew are not presently available. The relationship between the biophysical aspects, especially land and soil with commodity productivity, is also not known in depth. The objective of this study is to establish the criteria of land suitability for cashew in Indonesia, based on its production and land characteristics. Cashew plantations in 5 provinces were sampled. The data of production per tree per year were obtained from farmers, while the soil was sampled and analyzed in the laboratory. Age-adjusted cashew production was used as the yield response and plotted against land characteristics. Boundary lines resulting from the scatter of points were described; these lines produced the limits of land suitability criteria. The criteria were established using a projection of the intersection between the boundary line and yield interval. The criteria were also built in accordance with the productivity index of FAO for the internal boundary inside the S (suitable) class and by calculating the break-event point production for the boundary between S (suitable) and N (nonsuitable) order. The main result of this research is land suitability criteria for cashew.

scholarly journals Optimum contributions of hydropower reservoirs to the minimum flow of Vu Gia – Thu Bon river basin

2020 ◽  
Vol 15 (4) ◽  
pp. 1083-1095
Author(s):  
To Viet Thang ◽  
Nguyen T. Thu Nga ◽  
Ngo Le Long
Keyword(s):  
River Basin ◽  
Large Scale ◽  
Search Algorithm ◽  
Scatter Search ◽  
Water Levels ◽  
Electricity Production ◽  
Minimum Flow ◽  
Simulation Based ◽  
Scatter Search Algorithm ◽  
Hydropower Reservoirs

Abstract Upstream hydropower development has a great impact on downstream flows. According to the Regulation of Multi-reservoir Operation in Vu Gia – Thu Bon River Basin (Regulation 15371), four large-scale upstream reservoirs must discharge certain flow during the dry season to increase water levels at downstream hydrological stations named Ai Nghia and Giao Thuy. These stations are used as the control points for the downstream water supply. An optimizing-simulation based model was developed that both maximizes total electricity production and ensures minimum flow downstream as required. A thousand combinations of the reservoir inflows were generated by Monte Carlo simulation, considering the correlation between tributaries. Then, the Scatter search algorithm available in the Optquest module of Crystal Ball was used to find the optimal release from the reservoirs. The results show that the current Regulation 1537 can be improved for more efficient water resources management.

Terminating Architecture: Mega-Development in Hong Kong

2013 ◽  
Vol 30 (7-8) ◽  
pp. 277-289
Author(s):  
Li Shiqiao
Keyword(s):  
Hong Kong ◽  
Scale Development ◽  
Large Scale ◽  
Mass Transit ◽  
Development Projects ◽  
Financial Viability ◽  
Property Market ◽  
Railway Stations ◽  
Railway Systems ◽  
Physical Features

This paper examines large development projects as a function of finance in the context of Hong Kong, taking Kowloon Station as an exceptionally revealing case. Hong Kong's property market is one of the most established in Asia, and it points to the ways in which large-scale development schemes proliferate along efficient and affordable mass transit railway systems with great speed and success. At Kowloon Station, finance redefines architecture; instead of focusing on aesthetics and community, it is now promoting standardization, market visibility and semantic control. The financial viability of these developments depends entirely on these new goals; mega-developments such as Kowloon Station – and those in other parts of Asia – are successful in inventing major mass transit railway stations as terminals, in capturing commuters within spatial enclosures surrounded by barrier-like physical features, and in terminating architecture as it has long been established as a discipline. Mega-development is increasingly reinventing the contemporary Asian city.

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