Metal hydrides such as MgH2 and NaBH4 are among the materials for with the highest potential solid-state hydrogen storage. However, unlike gas and liquid storage, a dehydrogenation process has to be done prior to hydrogen utilization. In this context, the hydrolysis method is one of the possible methods to extract or generate hydrogen from the materials. However, problems like the MgH2 passivation layer, high cost and sluggish self-hydrolysis of NaBH4 are the known limiting factors for this process, but they can be overcome with the help of catalysts. In this works, selected studies have been reviewed on the performance of catalysts like chloride, oxide, fluoride, platinum, ruthenium, cobalt and nickel-based on the MgH2 and NaBH4 system. These studies show a significant enhancement in the amount of hydrogen released as compared to the hydrolysis of the pure MgH2 and NaBH4. Therefore, the addition of catalysts is proven as one of the options in improving hydrogen generation via the hydrolysis of MgH2 and NaBH4.
Spinal Cord Injury (SCI) is one of the major cause of disability in developing country like Bangladesh. The study aims to identify present conditions of Patients with Spinal Cord Injury at Rehabilitation Center in Bangladesh. A quantitative cross-sectional study was conducted among 61 participants (47 from rural areas and 14 from urban areas) who were recruited through purposive sampling. A self-developed questionnaire was used to collect the data. Data were analyzed by SPSS version 20.0. There were 61 patients involved in the research: 83.6% - male, 16.4% female. Average age: 18-35 years. 37.7% patients were tetraplegic whereas 62.3% were paraplegic, employment of participants in this study was 77.0%. Most common complication was: pressure sore 55.70%, decrease joint range of motion 67.20%, joint stiffness 34.40%, spasticity developed 83.6%, urinary tract infection 63.9%, autonomic dysreflexia 36.1%, leg swelling 47.5%, postural hypotension 42.6%, sexual problem 34.4%, mentally and psychologically change 100.0%, respiratory complication 37.7%. Finally, the study explained their current status after SCI the maximum patient were dependent and their pattern of working is long sitting. Moreover, most of they are interested to involve in non-bed exercise like group exercise and play activities in outdoor settings. So it is necessary to raise awareness in local community about post SCI healthy lifestyle.
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