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Co.parative Assessment o. the Phyto.hemical and Selected Heavy Metal Levels in Cucumis sativusL. and So.anum aethio.icumL. Fruit Sample Gro.n in So.th Eastern and No.th Central Regio.s o. Nigeria Respectively

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Natural Reso.rces 2021年第8期12卷 223-236页

作者： C. C. Anio.i o. o.0}k. E. Ezeh H. C. o.0}k. k. o. nwanya Department o. Co.munity Medicine University of Nigeria Enugu Campus Nigeria Plastic Pro.uctio. Unit Scientific Equipment Development Institute Akwuke Nigeria Chemical Engineering Department Nnamdi Azikiwe University Awka Nigeria Department o. Geo.o.ical Sciences Nnamdi Azikiwe University Awka Nigeria Department o. Scientific and Industrial Research National Research Institute for Chemical Technology Zaria Nigeria

Studies were carried o.t to.co.paratively assess the phyto.hemical and heavy metal levels in So.anum aethio.icum L. and Cucumis sativus L. fruit samples gro.n in the So.th Eastern and No.th Central regio.s o. Nigeria ... 详细信息

Studies were carried out to comparatively assess the phytochemical and heavy metal levels in Solanum aethiopicum L. and Cucumis sativus L. fruit samples grown in the South Eastern and North Central regions of Nigeria respectively using standard analytical procedures and instrumentation. The fruit samples were assayed for selected heavy metals (Pb, Cd and Cu) using atomic absorption spectrophotometer after wet digestion of the samples. The five detected phytochemicals (flavonoids, alkaloids, terpenoids, saponins and glycosides) were present at varying amounts in the investigated fruit samples from the South Eastern and North Central regions of Nigeria. The range of mean values of flavonoids, terpenoids, saponins and glycosides in the S. aethiopicum L. fruit samples from the two studied regions were 0.50 - 0.57, 0.53 - 1.26, 0.44 - 0.78, 1.12 - 1.93 and 0.40 - 0.50 mg/g respectively. The range of mean values of flavonoids, alkaloids, terpenoids, saponins and glycosides in the C. sativus L. fruit samples from the two studied regions of Nigeria were 1.27 - 1.69, 0.53 - 0.55, 0.96 - 1.51, 0.41 - 0.83 and 0.90 - 1.74 mg/g respectively. The range of mean vales of Pb, Cd, and Cu in the S. aethiopicum L. fruit samples from the two studied regions were 0.15 - 0.24, 0 - 0.01, 0.78 - 1.12 μg/g respectively. 0.31 - 0.40, 0.02 - 0.05 and 0.62 - o.t-family:"">

关键词： Cucumis sativus L. So.anum aethio.icum L. Phyto.hemicals and Heavy Met-als No.th Central Regio. and So.th Eastern Regio.

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Co.parative Assessment o. the Pro.imate and Mineral Co.po.itio. o. Cucumis sativusL. and So.anum aethio.icumL. Fruit Samples Gro.n in So.th Eastern and No.th Central Regio.s o. Nigeria Respectively

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Natural Reso.rces 2021年第8期12卷 237-249页

作者： H. C. o.0}k. o. o.0}k. k. o. nwanya C. R. o.fo. C. C. Anio.i Department o. Geo.o.ical Sciences Nnamdi Azikiwe University Awka Nigeria Plastic Pro.uctio. Unit Scientific Equipment Development Institute Akwuke Nigeria Department o. Scientific and Industrial Research National Research Institute for Chemical Technology Zaria Nigeria Department o. Bio.hemistry University of Nigeria Nsukka Nigeria Department o. Co.munity Medicine University of Nigeria Enugu Campus Enugu Campus Nigeria

Studies were carried o.t to.co.paratively assess the pro.imate and mineral co.po.itio. o. So.anum aethio.icum L. and Cucumis sativus L. fruit samples gro.n in the So.th Eastern and No.th Central regio.s o. Nigeria res... 详细信息

Studies were carried out to comparatively assess the proximate and mineral composition of Solanum aethiopicum L. and Cucumis sativus L. fruit samples grown in the South Eastern and North Central regions of Nigeria respectively, following standard analytical procedures and instrumentation. The mineral elements (Na, K, Zn and Ca) were determined using atomic absorption spectrophotometer after wet digestion of the samples while the proximate parameters (ash content, moisture content, crude fibre content, crude protein content, crude fat content and carbohydrate content) were determined in accordance with standard analytical procedures. The mean range of the moisture, crude fibre, crude protein, crude fat, ash and carbohydrate contents in the S. aethiopicum L. fruit samples grown in the North Central and South Eastern regions of Nigeria were 72.49 - 88.23, 2.15 - 3.67, 1.31 o.t-family:"">o.t-family:Verdana;">- 1.85, 0.43 - 0.76, 0.51 - 0.84 and 3.18% - 5.72% respectively. Additio.ally, the mo.sture, crude fibre, crude pro.ein, crude fat, ash and carb

关键词： So.anum aethio.icum L. Cucumis sativus L. Pro.imate Parameters Mineral Elements So.th Eastern Regio. and No.th Central Regio.

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Energy Crisis in Nigerian University System： Implicatio.s o. Self Auto.generatio. fo. Human Capital Develo.ment

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Jo.rnal o. Energy and Po.er Engineering 2014年第12期8卷 2017-2026页

作者： Stephen Chijio.0} nwanya Department o. Mechanical Engineering University of Nigeria Nsukka 410001 Nigeria

Energy requirements fo. tertiary educatio.al purpo.e is burgeo.ing, a reflectio. o. its criticality to.human asset fo.matio. and to.use self auto.generatio. by petro. o. diesel generato.s as the energy supply so.rce is an unsustainable practice. The situatio. is wo.riso.e in view o. the no.se po.lutio. and nuisance that co.stitutes to.the learning enviro.ment. This paper, therefo.e, determines the quantity o. self generated energy supply, its intensity, the asso.iated Co. emissio.s and their po.sible implicatio.s fo. human capital develo.ment. A survey o. generating sets was co.ducted using the University o. Nigeria Nsuk.a as a representative o. Nigerian universities. A walk.thro.gh-appro.ch was ado.ted in gathering data and two.metrics-life cycle co.t and co.t o. electricity fro. auto.generatio. were used to.determine the eco.o.ic implicatio.s o. the self generatio.. The results sho. that self auto.generatio. co.tributed installed energy capacity o. amo.nt 19 MVA, 20 MVA, 34 MVA, 11 MVA and 22 MVA to.run human capital develo.ment activities, respectively fo. academic sessio.s fro. July 2006 to.No.ember 2010. The study helps us understand that refo.ms in educatio.al secto. are no. effective as lo.g as energy insecurity is a do.inant facto..

关键词：人力资本自动生成尼日利亚能源危机大学开发生命周期成本二氧化碳排放量

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Assessing the Effects o. Atmo.pheric Pro.erties o. Energy Co.mo.ity Sto.age and Distributio.:Fo.us o. Co.relatio. with Temperature and Wind Variatio.s

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Jo.rnal o. Energy and Po.er Engineering 2019年第7期13卷 272-281页

作者： Stephen Chijio.0} nwanya unday o.ayink. o.edepo Department o. Mechanical Engineering University of NigeriaNsukka410000Nigeria Department o. Mechanical Engineering Covenant UniversityOtaP.M.B.1023Nigeria

Gaso.ine vapo.r emissio. is an insidio.s to.ical air po.lutio. and hazardo.s health issue underestimated at bo.h sto.age and utilizatio. *** gaso.ine statio. is o.e public built enviro.ment fo.nd in every lo.ality,the pro.lem o. unguarded vapo.r emissio. thro.gh this facility needs serio.s *** study measures the clo.e relatio.ship between the emissio. rate and the ambient pro.erties with specific o.jectives including evaluating o.eratio.al emissio. level and determining the co.relatio. *** measurements o. evapo.ated quantities were co.ducted at selected statio. in Enugu *** the rando. variatio. in emissio. quantity,the wheel spun appro.ch was used to.o.tain all ro.nd mean value per ***,meteo.o.o.ical reco.ds o. Nsuk.a municipal city fo. the perio. under co.sideratio. were o.tained and analyzed fo. po.sible relatio.ship by calculatio. o. co.fficient o. *** findings fro. this study suggest that gaso.ine evapo.atio. is stro.gly co.related with ambient temperature and wind speed variatio.s,***,high co.centratio. o. emitted gaso.ine o. a ho. day co.stitutes a po.ential thermal mass,high in embo.ied energy and if excited by light wind speed,can flo. many distances away fro. the *** insightful info.matio. o. the emissio. will be useful to.enviro.mentalist and decisio. mak.rs and has po.ential to.bring abo.t po.icy changes within the industry.

关键词： Gaso.ine emissio. refueling statio. air po.lutio. co.relatio. thermo.ynamic pro.erties

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Determinatio. o. o.timal Temperature,Blend Ratio.and Plasticity Pro.erties o. Co.po.ite Bread Pro.uct Using Respo.se Surface Metho.o.o.y

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Jo.rnal o. Energy and Po.er Engineering 2018年第8期12卷 385-394页

作者： S.C.nwanya B.C.o.1}nk.o Department o. Mechanical Engineering University of NigeriaNsukka 410001Nigeria

Adaptio. o. cassava co.po.ite flo.r to.co.ventio.al pro.ess techno.o.y faces vario.s engineering *** underlying go.l o. this study is ho. to.plan a trade-o.f between cassava-wheat-so. co.po.ite materials and their o.erating co.ditio.s with a view to.enhance the acceptability and impro.e quality o. the co.po.ite bread ***,RSM(respo.se surface metho.o.o.y)co.prising o. central co.po.ite design to.determine the o.timal temperature,blend ratio.and co.respo.ding respo.se variables o. wheat-cassava bread was carried *** using Design Expert,Versio. 8,co.to.r plo.s were *** study reveals that wheat-cassava ratio.o. 80:20 percent at temperature o. 220±2°C and time o. 15±2 min gives the desired ***,the plastic limit o. the lo.f respo.ds to.changes in cassava co.centratio.,time and *** experiment has sho.n that lo.er CMC(cassava mix co.centratio.)(15%)impro.es bread vo.ume(620 cm3),mo.sture co.tent(7.1%)and plasticity(14%).The implicatio. is that greater plasticity increases the malleability at which bread can be ***,the study is useful in interpreting the bak.ng co.ditio.s o. co.po.ite-wheat-cassava-so.(CWCS)breads and its *** o. the mix fo.mulatio. o. large scale requires huge investment *** particular findings co.ld be o. interest to.fo.d industry and a wider audience,hence co.stitute baseline fo. perfo.mance analysis by master bak.rs and *** o.tco.e o. this study helps to.set malleability criteria fo. the do.gh which ensures acceptable bread quality.

关键词： Bread po.icy CMC central co.po.ite design plasticity RSM

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