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Recent advances in application of moving bed bioreactors for wastewater treatment from recirculating aquaculture systems: A review

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Aquaculture and Fisheries 2022年第3期7卷 244-258页

作者： Abubakar Shitu Gang Liu aliyu idris muhammad Yadong Zhang Musa Abubakar Tadda Wanhe Qi Dezhao Liu Zhangying Ye Songming Zhu Institute of Agricultural Bio-Environmental Engineering College of Bio-systems Engineering and Food ScienceZhejiang UniversityHangzhou310058China Key Laboratory of Equipment and Informatization in Environment Controlled Agriculture Ministry of AgricultureHangzhou310058China Department of Agricultural and Environmental Engineering Faculty of EngineeringBayero UniversityKanoNigeria

In recent years,government investments in implementing restrictive public policies on the treatment and discharge of effluents from the aquaculture industry have ***,efficient and cleaner methods for aquaculture production are *** aquaculture systems(RAS)offers water conservation by recycling the treated aquaculture water for *** wastewater treatment using a moving bed bioreactors(MBBRs)process has been considered well suited for maintaining good water quality,thereby making fish farming more ***,improvements were achieved in tackling the influence of salinity,organic matter,disinfectant,and bioreactor start-up process on the MBBR performance *** review highlights an updated overview of recent development made using MBBR to treat the residual water from ***,nitrification and simultaneous nitrification-denitrification(SND),and other hybrid processes for nitrogen removal were ***,future challenges and prospects of MBBRs in RAS facilities that need to be considered were also proposed.

关键词： Ammonia removal Biofilm carriers Sustainability Salinity Nitrogenous compound Accelerated start-up

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Practice of cardiopulmonary resuscitation among health care providers in a tertiary health centre in a semi-urban setting

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Journal of Acute Disease 2019年第4期8卷 160-164页

作者： Ibrahim aliyu Godpower Chinedu Michael Haliru Ibrahim Zainab FIbrahim Umma idris Bashir Mariat Zubayr Halima Umar Ibrahim Department of Paediatrics Consultant PaediatricianAminu Kano Teaching Hospital/Bayero University KanoNigeria Department of Family Medicine Aminu Kano Teaching HospitalKanoNigeria Department of Medicine Federal Medical CentreBirnin KuduJigawa StateNigeria Nursing Department Aminu Kano Teaching HospitalKanoNigeria Department of Paediatrics Federal Medical CentreBirnin KuduJigawa StateNigeria Institute of Human Virology Nigeria

Objectives: To assess the basic knowledge of cardiopulmonary resuscitation (CPR) among health workers in a tertiary health facility in a semi-rural county. Methods: A questionnaire based, cross sectional study involving health care professionals was performed in Federal Medical Centre, Birnin Kudu, Jigawa State, Nigeria from April to July 2017. A purposive sampling method was adopted for subject selection. A pretested self-administered questionnaire was distributed;this included knowledge on basic life support;participation in basic life supportand outcomes. It was adopted from the American Heart Association guidelines for CPR and emergency cardiac care. Results: One hundred and two respondents were recruited (40 doctors and 62 nurses). There were 50 males (49%) and 52 females (51%). Their age ranged from 23 to 54 years with mean of (34.9± 7.4) years. Only 20% of the respondents were aware of circulation, airway and circulation in adult resuscitation;however, 61.0% of all respondents were aware of airway, breathing and circulation of resuscitation in children. Furthermore, only 10% of the respondents were aware of the correct steps of single rescuer resuscitation. Their knowledge was poor about chest compression and ventilation for both adult and children resuscitation. The overall knowledge score ranged from 0.0% to 100% with mean knowledge score of (21.2±18.6)%. The date of last training about CPR had no relationship with the knowledge scores (χ ^2=2.951, P=0.300). The cadre of the respondents (doctors and nurses) had no relationship with their knowledge score (χ^2=0.100, P=0.633 for doctors and nurses;χ^2=7.074, P=0.225 for doctors cadre;χ^2=3.868, P=0.677 for nurses cadre) respectively. Conclusions: The knowledge about CPR among health workers is poor;furthermore, the last date of training about CPR and the cadre of staffs have no relationship with knowledge of CPR.

关键词： Cardiopulmonary resuscitation Health workers Knowledge

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