Chitin is one of the natural biopolymer found abundantly in the shells of crustaceans, insects and in cellwalls of fungi. In this study, we determined the effect of dietary administration of 0.5, 0.75 and 1% chitinon the immune response and disease resistance in freshwater prawn, challenged against Macrobrachiumrosenbergii nodavirus (MrNV) and extra small virus (XSV). We observed a significantl…
Purpose – Multi-cycle Learning Study and multi-cycle Lesson Study are the main collaborative action research approaches for teacher professional development in Hong Kong. The sustaining of these Lesson Study innovations may be inhibited by many challenges. The purpose of this paper is to identify the strategies school leaders utilized to overcome challenges and sustain Lesson Study innovation…
Purpose – The purpose of this paper is to examine practicing mathematics teachers’ learning through parallel lesson study in China. Lesson study in China has been practiced for decades. Parallel lesson is an enriched mode of lesson study to address the implementation of new curriculum. Design/methodology/approach – The expansive learning perspective has been used to explore the ways prac…
Precise information on streamflows is of major importance for planning and monitoring of water resources schemes related to hydro power, water supply, irrigation, flood control, and for maintaining ecosystem. Engineers encounter challenges when streamflow data are either unavailable or inadequate at target locations. To address these challenges, there have been efforts to develop methodologies …
Annual rainfall is less than 500 mm of rainfall in the dry farming regions in order to be stored in the soil processing. At the time,and is provided with a sufficient number of the version of weed control, leveling a good soil is obtained, the temperature of the soil evaporation will be blocked, and capillarity corruption prevented erosion. Some dry land farming areas is 7-8 times a year. As a …
Average composition of household waste in Bucharest has a large variability. The average amount of waste collected is 0.048 m3 /man. year compared with the U.S. 1m3/ man. year, South Africa 0.8 m3 / man . year and Australia 0.4 m3/ man. year. These wastes are sorted, the size which could be sorted and reused according to their composition, remaining part, about 64 % of the original composition …
The issue of water and climate change is present in many countries. Drought stress is one of the main abiotic stresses influencing turfgrass growth and quality. Tall fescue is the most suitable cool-season turfgrass for the Mediterranean region. This species has a better heat tolerance than perennial ryegrass and Kentucky bluegrass. The analysis of radiation reflected by turfgrass can supply pr…
Urban expansion and the preservation of fringe landscapes are interconnected issues. This article discusses on the relation between landscape and peri-urban agriculture and the possible implications of sustainable land management for fringe land quality proposing a framework to evaluate the latent nexus between agro-forest systems and human settlements in southern Europe. Eco-sustainable planni…
Reasonably using oil spill dispersant has become one of the important emergency means intended to handle offshore oil spill accidents. With the worldwide nonstop occurrence of offshore oil spill accidents, the effect and toxicity influence of oil spill dispersant have seized popular attention. In particular, oil spill dispersant used in deepwater oil spill accidents urgently needs undergo evalu…
Potential evapotranspiration (PET) is key input in water resources, agricultural and environmental modelling. For many decades,numerous approaches have been proposed for the consistent estimation of PET at several time scales of interest. The most recognized is the Penman-Monteith formula, which is yet difficult to apply in data-scarce areas, since it requires simultaneous observations of four …
This experiment was carried out to evaluate the effect of an organophosphate pesticide, sumithion onwater and sediment quality and benthic invertebrates in aquaculture ponds for 120 days. Three treat-ments were tried in duplicate: no sumithion (control), weekly application of 1.0 mg/L sumithion (Lowdose treatment) and 2.0 mg/L sumithion (High dose treatment). Among the different water quality p…
Purpose – The purpose of this paper is to study the use and value of practical work in the secondary school science classroom. Informed by the findings of a large survey of students from a wide variety of schools, a case study of pupils in the middle secondary range sought to investigate the precise role of practical work in the learning of a specific topic over a series of lessons. Design/m…
In Tanzania, the phenology and seasonal variations of the yields of different rice cultivars have rarely been studied, especially under fully-irrigated conditions. A trial was conducted to identify the most suitable calendar for rice production in Tanzania under fully-irrigated conditions. Four popular rice cultivars,NERICA1, Wahiwahi, IR64 and TXD306, were transplanted monthly from January to …
Purpose – The purpose of this paper is to present French Didactique des Mathématiques (DM) to the Lesson Study (LS) community. Design/methodology/approach – This theoretical paper presents the origins of DM in the Theory of Didactical Situations (TDS) by Brousseau. It elaborates about didactical engineering, fundamental situation and other fundamental concepts. It briefly presents other D…
The MHD maritime oil spill recovery method has many advantages in tackling the marine thin oil-film. The existing device, in which the MHD channel is arranged horizontally, can’t operate successfully under wave conditions and the oil and air bubbles can’t move through the MHD channel smoothly. A new method with the MHD channel arranged with a slight tilt angle is proposed to improve the eff…
Bacterium Flavobacterium columnare and protozoan Trichodina spp are common pathogens of culturedfish. Studies of parasite–bacterium interaction show evidence that concurrent infections increase severityof some infectious diseases, especially bacterial diseases. The effect of parasite treatment on F. columnareinfection in tilapia is currently unknown. This study evaluated whether treatment of …
This article presents the findings of a mapping study undertaken in 2014 to determine the characteristics of conflicts between governments, private industrial users and indigenous peoples over the use of water resources. Gathering information about 384 situations of water-related conflicts reported around the world during 1960–2014, the study found that mining and hydropower development were …
The current intensification of the use of plastic materials in agriculture, although has increased significantly the productivity, is also generating growing adverse effects on the environment of the agro-ecosystem. The agriculture is responsible for a massive use of plastic materials, in addition to energy and water inputs, chemical fertilizer and pesticides. Besides the pollution generated du…
Purpose – This paper, which originates in an English-as-a-foreign-language (EFL) classroom activity in Hong Kong, aims to explore English learners’ expressive and creative potential in writing by studying their work in the literary narrative genre. Design/methodology/approach – A group of upper secondary students (15-16 years of age) with limited English resources and competence was enlis…
Development of hybrid rice is an important strategy to increase yields of irrigated rice in China. Day length is a highly important environmental factor for hybrid rice adaptability, productivity and quality. Heterosis of hybrid rice has been utilized under natural- (long) day length conditions in the middle and lower reaches plain of Yangtze River Valley in China for a long time. However, whet…
Purpose – The purpose of this paper is to explore a model of Lesson Study owned entirely by pre-service teachers (PSTs), conveying its potential to facilitate mutual spaces of learning between peers beyond formal hierarchical relationships with expert teachers. Fuller’s (1969) conceptual framework of teacher development informed the study, consisting of self, task and impact “phases of co…
Breeding for salinity tolerance using Bangladeshi rice landraces and understand genetic diversity has been limited by the complex and polygenic nature of salt tolerance in rice genotypes. A genetic diversity and association mapping analysis was conducted using 96 germplasm accessions with variable response to salt stress at the seedling stage. These included 86 landraces and 10 indica varieties…
Near infrared reflectance spectroscopy (NIRS), a non-destructive measurement technique, was combined with partial least squares regression discrimiant analysis (PLS-DA) to discriminate the transgenic (TCTP and mi166) and wild type (Zhonghua 11) rice. Furthermore, rice lines transformed with protein gene (OsTCTP) and regulation gene (Osmi166) were also discriminated by the NIRS method. The perfo…
Purpose – The purpose of this paper is to review live-client learning activities in higher education,highlighting a lack of multi-stakeholder evaluation of “learning by doing” pedagogies in current literature. It extends existing discussion of employability outcomes, dominated by findings from larger organisations, towards arguably, a more meaningful concept: “employagility”;whereby g…
Phytic acid is the major storage form of phosphorus in cereals. It binds with nutritionally important metals and affects mineral bioavailability. The present study analyzed phytic acid, inorganic phosphorus (IP) content, seed weight, and grain yield in 98 sorghum landraces and varieties grown in two environments to evaluate genotypic and environmental effects and to determine trait stability. …
Purpose – The purpose of this paper is to provide a systematic review of the literature on school leadership and management in South Africa, linked to the 20th anniversary of democratic government and integrated education. Design/methodology/approach – The authors conducted a systematic review of all published work since 2007 with a more selective review of sources before 2007. Findings �…
The objectives of this research were to determine the work posture risk level and suggest recommendation of improvement on small factory of corn chips. NBM questionnaire was used to find out workers’ complaints encountered from the work they have done. OWAS method was conducted with WinOWAS software, involving six workers and 31 work postures. NBM indicates that workers do enduring the feelin…
More and more people begin to pay attention to how foodstuffs are produced. Due to the changing lifestyle, consumers seek products that do not require long preparation. The extrusion-cooking process responds to this type of applications with an easy management of processing promising product stability and quality. Extrusion-cooking involves the extruding of granular material under high pressure…
To study the impacts of nanometer pottery trays (NPTs) on different rice varieties, three rice varieties, Zhongzheyou 1, Jinzao 47 and Xiushui 09, were treated with four NPTs (NPT-A, NPT-B, NPT-C and NPT-D) with different energies, respectively. The results showed that when the same rice variety was treated with different NPTs or different rice varieties were treated with the same NPT, the impa…
Rice leaffolder, Cnaphalocrocis medinalis, is one of the major foliage feeders found in the rice growing regions in India. When the crop was at maturity, numerous adults of rice leaffolder were found in the rice fields though the larval population gradually decreased, and no eggs were found on rice leaves. The population characteristics of C. medinalis were assessed based on the physiological a…
Elimination Sugarcane Mozaic Virus (SCMV) in sugarcane plantlets and propagation via somatic embryogenesis was assessed. The aim of this study was to obtain a virus-free sugarcane and determine methods for propagation via somatic embryogenesis. Explants derived from sugarcane SUT-02 plantlets. The explants were cultured on ribavirin and acyclovir medium at 0, 20 and 40 mgl-1 concentrations. Vir…
Purpose – The purpose of this paper is to propose an attributes framework for embedding “Changemaker” – a university initiative for promoting social innovation and social impact – across the disciplines at the University of Northampton. Design/methodology/approach – The study is based on the authors’ (2015) phenomenographic study that proposed five different conceptions of Change…
Purpose – This purpose of this paper is to discuss the relationship between political independence and operational impartiality in regard to the effectiveness of anti-corruption agencies (ACAs). Against this background of western orthodoxy, it asks whether a non-western country with high levels of corruption (Vietnam being an example) can find another pathway in its efforts to effectively com…
Litopenaeus vannamei (1.98 ± 0.28 g) were fed diets containing soybean oil (SBO), beef tallow (BFT), fishoil (FIO), linseed oil (LNO), and an equal combination of SBO + BFT + FIO (SBF) or SBO + BFT + LNO (SBL) asdietary lipid source respectively for 8 weeks at low salinity of 3‰. The shrimp fed the SBL diet had thehighest weight gain and survival rate. The whole body fatty acid composition i…
The red hairy caterpillar, Amsacta albistriga Walker, is an important pest of groundnut, castor and cotton in India. We determined the susceptibility of Amsacta albistriga to organophosphate and synthetic pyrethroid insecticides under laboratory conditions. Biochemical profile of esterase, acetylcholinesterase, glutathione S-transferase, and glutathione S-dehydrogenase was assessed. Synthet…
Morphometry and terrain analyses are important in geomorphology where quantitative measurements are made on physical characteristics of landforms. It is done mainly to understand the structure, processes and evolution of landscape. Analysis of the flow pattern in the basin helps to relate the runoff characteristics to the morphometric parameters. In this paper,an attempt is made to study the m…
Genetic diversity analysis and DNA finger printing are very useful in breeding programs,seed conservation and management. Jute (Corchorus spp.) is the second most important natural fiber crop after cotton. DNA fingerprinting studies in jute using SSR markers are limited. In this study, 58 jute accessions, including two control varieties (Huangma 179 and Kuanyechangguo) from the official variety…
Purpose – The purpose of this paper is to re-orientate assessment tasks in tertiary art and design,arguing the important role ecologies of practice and work-place learning play in professional identity formation. Linking coursework design with dilemmas and self-regulatory tasks which move beyond compliance and static content in isolated courses. Design/methodology/approach – Two purposive c…
Purpose – The purpose of this paper is to explain how initial teachers in Japan can develop instructional and thinking skills through lesson study with mentors. It will clarify the point of view in which mentors evaluate the lesson plan, research lessons and kyouzai-kenkyuu of initial teachers. Design/methodology/approach – This study adopts a case analysis that shows how a mentor gives ad…
Maintenance and enhancement of the quality of degraded soil are, in essence, dependent upon the improvement of physical, chemical and biological properties of the soil. Improvement in microbial parameters of the degraded soil was studied in the present experiment through the effect of fertilizer sources and levels and cropping patterns in a factorial design in northern Pakistan. The experiment …
Research work on the selection of appropriate construction materials for tsunami resistant structures is still in inception. An attempt is made to assess the suitability of composite materials reinforced with coconut, glass and sansevieria cylindrica fibres. A building model is fabricated based on coconut fibre composites, which is performed better among the three fibre composites is tested in …
Purpose – The purpose of this paper is to explore the relationship between educational orientation and employer influenced pedagogy and to consider some implications for work-based learning (WBL) higher education (HE) policy and practice in Europe. Design/methodology/approach – The paper draws on purposefully selected case studies to describe the key attributes of WBL related pedagogy asso…
Purpose – The purpose of this paper is to explore the impact of using a living case study method to teach graduate students in an organizational development (OD) course. A living case is defined as one where participants study a current, ongoing situation over the entire semester. Students worked with an authentic client to solve an authentic problem. After the course concluded interviews wer…
Purpose – Knowledge concerning the meaning of the object of learning is an important contribution of Learning study. The purpose of this paper is to generate this kind of knowledge and show how it can be developed and refined in the different phases of a Learning study. Design/methodology/approach – The paper reports on a Learning study in primary technology education conducted with stu…
Purpose – Enhancing student employability and bridging the gap between theory and practice in law education requires a more multifaceted approach than the traditional mix of lectures, tutorials and simulations. Law placements also provide an opportunity to reinforce the importance of the professional practice standards and requirements laid down by the Law Society of Scotland. The purpose of …
Purpose – Current drivers in higher education have led to the questioning of traditional placement support methods. Within many programmes, students undertaking practice-based learning experience structured, one-to-one support from an academic in the placement location. With the financial and environmental implications of this practice, the potential for using video-based communications as a …
Purpose – This study aims to explain the factors affecting students’ acceptance and usage of a lecture capture system (LCS) – ReWIND – in a Malaysian university based on the extended unified theory of acceptance and use of technology (UTAUT2) model. Technological advances have become an important feature of universities’ plans to improve the flexibility and accessibility in a learning…
Brick represents one of the most used materials for the construction of buildings, but the rising demand of building materials and increased construction and demolition wastes have encouraged the development of new building materials. However, the traditional brick production causes several environmental and human health impacts, so there is a clear need of searching and replacing for more effi…
According to the latest OECD Global Forum on Environment “ Water, food and energy are crucial for sustainable long term economic growth and human wellbeing” and crucial is the identification of the strong linkages between all three. As the UN has spotted out agriculture is currently the largest user of water at the global level, accounting for 70% of total withdrawal while the food producti…
Purpose – It is considered a mystery by many people that, despite charging significantly higher fees when compared to public institutions, research has shown an increase in the demand and enrolments at private higher education institutions. The purpose of this paper is to investigate the critical factors considered by students when deciding to make private higher education institutions their …