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Selected Aspects of Camel Immune System and Immune Responses

Open Journal of Veterinary Medicine（兽医学） 2021年第6期

作者： Saeed Y. Al ramadan Kazem T. Al-Mohammed Salem Ibrahim H. Alshubaith ahmed M. Al-Ali Salah Abohelaika Mohammed S. Moqbel ahmed M. Alluwaimi

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Sex Hormones Changes in Blood and Their Effect on Fecundity of African Catfish(Clarias gariepinus Burchell,1822)after Being Injected with Different Doses of Human Chorionic Gonadotropin(HCG)Hormone

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Journal of Zoological Research 2020年第4期2卷 19-30页

作者： Hamed H.E.Saleh ahmed I.Semaida Sayed R.S.Zidan ramadan M.Abou-Zied Sobhy M.Allam Aquaculture Division National Institute of Oceanography and Fisheries(NIOF)El-FayoumEgypt Animal Production Department Faculty of AgricultureFayoum UniversityEgypt

This study was conducted to investigate the effect of different doses injection of human chorionic gonadotropin(HCG)hormone on fecundity and serum sex hormones(FSH,LH,estrogen(E2),progesterone(P4),testosterone(T))of African catfish(Clarias gariepinus).African catfish spawners were intermuscularly injected with different doses of HCG(500,1500,3000,6000 IU/kg female),and group is not injected as a control;males were injected at half the female *** results showed that,fish group injected by 6000 IU HCG/kg female had the highest gonadsomatic index,absolute fecundity and relative fecundity,while,the lowest value of absolute fecundity and relative fecundity were recorded with 500 IU HCG/kg *** group injected with the highest amount of HCG(6000 IU/kg female)recorded the lowest value from egg diameter,while the highest egg diameter was observed in 500 IU HCG/kg *** females,the group injected with 6000 IU HCG/kg female reflected the lowest level of FSH and the highest level of LH and the highest level of P4 compared to other *** of T recorded the highest level with 1500 IU HCG/kg *** control group reflected the highest level of FSH and E2,while the control group reflected the lowest level of T and P4 *** males,serum FSH,LH,P4 and E2 in male groups injected with HCG were relatively higher than those recorded in the control *** highest level of T was recorded in treatment injected with the highest dose of HCG and decreased in other treatments until recorded the lowest level of T in the control *** was observed,HCG hormone has successfully and accelerate induced spawning in African catfish(Clarias gariepinus)and increased in reproductive performance with the increase in HCG dosage and as compared to group not injected.

关键词： African catfish HCG hormone Gonadsomatic index Fecundity FSH LH Estrogen Progesterone and testosterone

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Sustainable strategies for Ebola virus disease outbreak preparedness in Africa:a case study on lessons learnt in countries neighbouring the Democratic Republic of the Congo

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Infectious Diseases of Poverty 2022年第6期11卷 60-69页

作者： Caroline S.Ryan Marie‑Roseline D.Belizaire Miriam Nanyunja Olushayo Oluseun Olu Yahaya Ali ahmed Anderson Latt Matthew Tut Kol Bertrand Bamuleke Jayne Tusiime Nadia Nsabimbona Ishata Conteh Shamiso Nyashanu Patrick Otim ramadan Solomon Fisseha Woldetsadik Jean‑Pierre Mulunda Nkata Jim T.Ntwari Senya D.Nzeyimana Leopold Ouedraogo Georges Batona Vedaste Ndahindwa Elizabeth A.Mgamb Magdalene Armah Joseph Francis Wamala Argata Guracha Guyo Alex Yao Sokemawu Freeman Alexander Chimbaru Innocent Komakech Muhau Kuku Walter M.Firmino Grace E.Saguti Faraja Msemwa Shikanga O‑Tipo Precious C.Kalubula Ngoy Nsenga Ambrose Otau Talisuna WHO Sub-Regional Ofce for Africa NairobiKenya WHO Country Ofce BanguiCentral African Republic WHO Country Ofce JubaSouth Sudan WHO Regional Ofce for Africa BrazzavilleCongo WHO Sub-Regional Ofce for Africa DakarSenegal Africa Centres for Disease Control and Prevention Addis AbabaEthiopia WHO Country Ofce BrazzavilleCongo WHO Coun‑try Ofce BujumburaBurundi WHO Country Ofce AsmaraEritrea WHO Country Ofce KigaliRwanda WHO Country Ofce KampalaUganda WHO Country Ofce LuandaAngola WHO Country Ofce Dar Es SalaamTanzania WHO Country Ofce LusakaZambia

Background: From May 2018 to September 2022, the Democratic Republic of Congo (DRC) experienced seven Ebola virus disease (EVD) outbreaks within its borders. During the 10th EVD outbreak (2018–2020), the largest experienced in the DRC and the second largest and most prolonged EVD outbreak recorded globally, a WHO risk assessment identified nine countries bordering the DRC as moderate to high risk from cross border importation. These countries implemented varying levels of Ebola virus disease preparedness interventions. This case study highlights the gains and shortfalls with the Ebola virus disease preparedness interventions within the various contexts of these countries against the background of a renewed and growing commitment for global epidemic preparedness highlighted during recent World Health Assembly *** text: Several positive impacts from preparedness support to countries bordering the affected provinces in the DRC were identified, including development of sustained capacities which were leveraged upon to respond to the subsequent coronavirus disease 2019 (COVID-19) pandemic. Shortfalls such as lost opportunities for operationalizing cross-border regional preparedness collaboration and better integration of multidisciplinary perspectives, vertical approaches to response pillars such as surveillance, over dependence on external support and duplication of efforts especially in areas of capacity building were also identified. A recurrent theme that emerged from this case study is the propensity towards implementing short-term interventions during active Ebola virus disease outbreaks for preparedness rather than sustainable investment into strengthening systems for improved health security in alignment with IHR obligations, the Sustainable Development Goals and advocating global policy for addressing the larger structural determinants underscoring these ***: Despite several international frameworks established at the global level for e

关键词： Ebola virus disease Emergency preparedness and response Lessons learned Case study International Health Regulations Democratic Republic of the Congo

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Analysis of Neutronic Characteristics of Uranium Zirconium Hydride Fuel in Advanced Boiling Water Reactor

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材料科学与工程（中英文A版） 2013年第6期3卷 437-442页

作者： ahmed Abdelghafar Galahom Ibrahim Ismail Bashter Moustafa Aziz Higher Technological Institute l Oth of Ramadan city Sharkia Egypt Physics Department Faculty of Science Zagazig University Zagazig City Sharkia Egypt Nuclear Regulatory Commission and Radiological Regulatory Authority Nasr City Egypt

This paper presents a design of an advanced boiling water reactor (ABWR) equilibrium bundle using UZrH1.6 as a fuel. Monte Carlo N-Particle Transport (MCNPX) code extended has been used for design advanced boiling water reactor model. MCNPX code based on Mont Carlo Method is used to design a three dimensional model for a BWR fuel assembly in a typical operating temperature and pressure conditions. A test case was compared with a benchmark problem, and good agreement was found. This model is used to calculate the distribution of pin by pin power and flux inside the assembly, calculate the axial thermal neutron flux and the axial normalized power across the fuel rod at different insertion of control rod, and to study the effect of increasing the fuel enrichment on the axial thermal neutron flux and the axial normalized power.

关键词：先进沸水堆燃料组件中子通量氢化锆蒙特卡罗法特性三维模型 ABWR

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