Development policies have for a long time made it more profitable for people to degrade than to conserve environment. The adoption of these economic wide policies by Africa especially during colonial time and after in...Development policies have for a long time made it more profitable for people to degrade than to conserve environment. The adoption of these economic wide policies by Africa especially during colonial time and after independence has resulted into erosion of its communities’ conservation behaviour and attitude. Although many studies assess environmental attitudes, those focussing on African regions or countries using New Environmental Paradigm (NEP) scale are very limited. Such studies in the African context using NEP scale are very important, simply because many people depend on the environment for their livelihood, and in the process they destroy the world’s valued ecosystems including wetlands. This study is meant to fill in the gap using Kilombero valley wetlands in Tanzania as a case. The study used Structural Equation Modelling (SEM) to predict the behaviour of the users based on attitudes, environmental knowledge and awareness. The findings indicate that users of the Kilombero wetlands have a generally positive attitude towards the environment, despite a great degree of variability among the study participants. The study shows also that a certain level of environmental awareness is needed in order to increase people’s knowledge about environmental issues and change their environmental attitudes. The NEP scale does not fully fit into the Tanzanian context, thus suggesting that further research into the adaptation of the scale is needed.展开更多
为实现精梳机高产、高质和高效,从梳理负荷、给棉形式、低落棉精梳条状态、针布耐磨度等6个方面探讨E86型精梳机用梳理器材配置需要考虑的问题,对不同落棉刻度时的精梳质量和成纱质量进行实例分析;阐述Ri-Q-Combi 500型精梳锡林和Ri-Q-T...为实现精梳机高产、高质和高效,从梳理负荷、给棉形式、低落棉精梳条状态、针布耐磨度等6个方面探讨E86型精梳机用梳理器材配置需要考虑的问题,对不同落棉刻度时的精梳质量和成纱质量进行实例分析;阐述Ri-Q-Combi 500型精梳锡林和Ri-Q-TOP TYP 2030型顶梳的特点并与其他型号进行实例配置对比。指出:E86型精梳机选配Ri-Q-Combi 500型精梳锡林和Ri-Q-TOP TYP 2030型顶梳,通过增大锡林齿面圆心角和针布齿密,合理齿形设计,强化表面处理等措施,解决精梳梳理度小、穿刺能力差、嵌花、长纤维流失、短纤维进入精梳条和齿尖不耐磨等问题;采用"高钳次、小分离、重定量、短喂给、早插入"工艺,以及变速梳理技术、等隔距梳理工艺,是其实现低落棉、高质量的关键。展开更多
文摘Development policies have for a long time made it more profitable for people to degrade than to conserve environment. The adoption of these economic wide policies by Africa especially during colonial time and after independence has resulted into erosion of its communities’ conservation behaviour and attitude. Although many studies assess environmental attitudes, those focussing on African regions or countries using New Environmental Paradigm (NEP) scale are very limited. Such studies in the African context using NEP scale are very important, simply because many people depend on the environment for their livelihood, and in the process they destroy the world’s valued ecosystems including wetlands. This study is meant to fill in the gap using Kilombero valley wetlands in Tanzania as a case. The study used Structural Equation Modelling (SEM) to predict the behaviour of the users based on attitudes, environmental knowledge and awareness. The findings indicate that users of the Kilombero wetlands have a generally positive attitude towards the environment, despite a great degree of variability among the study participants. The study shows also that a certain level of environmental awareness is needed in order to increase people’s knowledge about environmental issues and change their environmental attitudes. The NEP scale does not fully fit into the Tanzanian context, thus suggesting that further research into the adaptation of the scale is needed.
文摘为实现精梳机高产、高质和高效,从梳理负荷、给棉形式、低落棉精梳条状态、针布耐磨度等6个方面探讨E86型精梳机用梳理器材配置需要考虑的问题,对不同落棉刻度时的精梳质量和成纱质量进行实例分析;阐述Ri-Q-Combi 500型精梳锡林和Ri-Q-TOP TYP 2030型顶梳的特点并与其他型号进行实例配置对比。指出:E86型精梳机选配Ri-Q-Combi 500型精梳锡林和Ri-Q-TOP TYP 2030型顶梳,通过增大锡林齿面圆心角和针布齿密,合理齿形设计,强化表面处理等措施,解决精梳梳理度小、穿刺能力差、嵌花、长纤维流失、短纤维进入精梳条和齿尖不耐磨等问题;采用"高钳次、小分离、重定量、短喂给、早插入"工艺,以及变速梳理技术、等隔距梳理工艺,是其实现低落棉、高质量的关键。
