Correlation of acid gas-ethanolamine equilibrium using ionic concentrations

Experimental equilibrium measurements are modeled using a Davies-like ionic strength correction term for the reaction equilibrium constants. Calculated and experimental results are in much better agreement when the ionic strength correction terms are used.     

Development of an inclined plate jet reactor system

A new design combines reaction or extraction and separation in one unit. Here are practical working details.     

Personal Attachment to the Union in Small Bargaining Units

Union member attachment research has generally examined large unions organizing large employers. The present study presents a conceptual model and related data concerning various aspects of the union attachment expressed by individuals in small bargaining units. The results show differences among individuals in commitment based on their union experiences and demographic characteristics. Résumé Les études traitant de la loyatué qu'éprouvent les membres envers leur syndicats examinent généralement des syndicats importants au sein d'entreprises de taille. La présente étude offre un modèle conceptuel et les données relatives aux divers aspects de la loyauté exprimée par des individus appartenant à de petites unités de négociations. Les résultats démontrent les différences de loyauté chez les membres selon leur experience syndicale et les caractéristiques démographiques.     

A contribution to the assessment of scenic quality of landscapes based on preferences expressed by the public

The purpose of this paper is to validate a model for predicting the public's preference for a landscape using simple statistical techniques. The model assigns numerical values to 42 landscape variables grouped into physical, aesthetic and psychological attributes. The landscape value is obtained using an additive value function. The results of the model on certain landscapes are compared with the preference expressed by the public in a survey of 183 people.The homogeneity of the survey responses was checked in each photograph. It was determined that means and standard deviations of the scores represent the true preference.A strong positive association was observed between preference and certain landscape attributes such as expression, soil use or colour. A marked negative association was detected with respect to landscape alterations.A linear regression was carried out to analyse the predictive capacity of the model. The independent variable was the global score assigned by the model to each photograph and the dependant variable was the mean of the scores assigned by the survey respondents. The high level of correlation obtained indicates that the model is a good predictor of the public's preferences in relation to the set of photographs shown in the survey.To complete the analysis of the model as a preference predictor, a multiple linear regression was carried out between the mean score obtained in the survey and the model elements. Attributes and variables that have the greatest influence on pubic preference were detected.     

Consumer Preferences for Fresh Tomatoes in Benin using a Conjoint Analysis

Constraints related to the technical and socioeconomic aspects of adopting tomato varieties are well documented. However, preferences relating to the demand for this fruit are rarely studied. In fact, demand for the different varieties of tomatoes might be related to consumers’ preferences for the extrinsic (color, size) and intrinsic (taste, nutritive value, water content) characteristics specific to each variety. It is therefore indispensable to determine the characteristics of tomatoes preferred by consumers. We examine consumers’ preferences for tomato attributes among a sample of 600 consumers in four representative markets in the main cities in southern Benin. The study also identifies potential segments of consumers and the market shares of each profile for each segment. The study identifies four potential tomato market segments, two of which have a strong preference for local tomatoes, namely, those that can be conserved for long periods and those with a firm consistency.     

Stakeholder planning of the institutionalization of the volunteer farmer-trainer approach in dairy producer organizations in Kenya: key steps and supporting mechanisms*

The effectiveness of community-based extension approaches has been widely documented, however their sustainability remains weak. Institutionalization has been proposed as a way of achieving sustainability. This paper shares experiences of the learning and planning phase of the institutionalization of the volunteer farmer-trainer (VFT) approach in three dairy producer organizations (POs) in Kenya. The paper builds a detailed understanding of the key steps and social processes involved and the wider lessons that might be learned regarding institutionalization in the context of local institutions such POs. We draw on data from key informant interviews, focus groups discussions and workshops. The first phase of the process which spanned one year involved engagements with stakeholders at different levels; from VFTs, dairy cooperative management, government extension and local NGOs. The process involved awareness creation, joint learning at the individual, group and organization level, a strengths-weaknesses-opportunities-threats (SWOT) analysis of producer organizations and identifying opportunities for harnessing resources for support functions. We highlight the important supporting social and institutional processes that are required for this to happen. These include getting acceptance and support from key stakeholders, developing a shared understanding, stakeholder ownership of the process, commitment from top leadership of POs and institutional structures to support the process. For the process to be actualized, we discuss mechanisms that need to be put in place.