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Mea.urement of a.mospheric Bla.k Ca.bon Concentra.ion in Rura. a.d Urba. Environments: Ca.es of La.to a.d a.idja.

Journa. of Environmenta. Protection 2021年第11期12卷 855-872页

作者： adjon a. kouassi Ma.ina.Doumbia.Siélé Silue Eric M. Ya. a.ima.Da.uma.Ma.cellin a.on N'da.choh E. Touré Véronique Yoboue La.ora.ory of Environmenta. Sciences a.d Technology (LSTE) Jean Lorougnon Guede University Daloa C&ocirc te d’Ivoire Peleforo Gon Couliba.y University Korhogo C&ocirc te d’Ivoire La.ora.ory of Ma.ter Sciences Environment and Solar Energy (LASMES) Félix Houphou&euml t-Boigny University Abidjan C&ocirc te d’Ivoire

Bla.k ca.bon is one of the prima.y a.rosols directly emitted from bioma.s known to ha.e strong a.sorbing properties. The INDa.F a.d Pa.MU observa.iona. field ca.pa.gns which took pla.e (2018) in a.idja. (urba. a.ea. a.d La.to (rura. a.ea. a.low the a.a.ysis of Bla.k ca.bon concentra.ion a. different time sca.es through rea.-time mea.urements using a. a.a.yzer na.ed a.tha.ometer a.-33. Results presented here show a. La.to: 1) for the diurna. sca.e a. a.era.e of 1.71 ± 0.3 μg⋅m-3 (0.34 ± 0.09 μg⋅m-3) in the dry (wet) sea.on;2) for the monthly sca.e a. a.era.e of 1.14 ± 0.84 μg⋅m-3;3) on the sea.ona. sca.e, a. a.era.e of 2.2 ± 0.02 μg⋅m-3 (0.6 ± 0.19 μg⋅m-3) in the dry (wet) sea.on. The bla.k ca.bon va.ia.ion a. La.to is sea.ona. with a. a.plifica.ion fa.tor of 85.6. Rega.ding the urba. a.ea.of a.idja., due to sa.pling issues, our a.a.yses were limited to da.ly, diurna. a.d weekly time sca.es. We observed: a. a. a.da.ly sca.e a. a.era.e of 5.31.± 2.5 μg⋅m-3, b) diurna. sca.e, a. a.era.e ra.ging from 6.87 to 13.92 μg⋅m-3. The a.a.ysis indica.ed tha. emissions from urba. a.ea. a.e more rela.ed to socia. a.d economic a.tivities, with weekda. concentra.ions (7.24 μg⋅m-3) higher tha. concentra.ions over the weekend (e.g. Sa.urda. 6.59 μg⋅m-3 a.d Sunda. 6.00 μg⋅m-3). Moreover, BC concentra.ion in a.idja. is quite noticea.le compa.ed to tha. of rura. a.ea. (La.to). The ra.io between the ma.imum va.ues of the two a.ea. is of the order of 5.86. In a.dition, concentra.ions in some urba. a.ea. a.e slightly a.ove the da.ly threshold set by the WHO (10 μg⋅m-3). Therefore, the levels of urba. BC concentra.ions a.e a.a.ming whilst rura. BC concentra.ions rema.n below da.ly WHO thresholds a.d a.e of the sa.e ma.nitude a. those of West a.rica. mega.ities. This study underlies tha. BC concentra.ions a. La.to a.e ma.nly rela.ed to bioma.s combustion sources while those

关键词： Ca.bona.eous a.rosols Bla.k Ca.bon Source a.portionment Fossil Fuel Bioma.s Burning

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Formula.ion of Motor Oil from Blends of Rubber La.ex Cup Bottom Oil (RLBO) a.d Used Frying Oil (UFO)

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Journa. of Susta.na.le Bioenergy Systems 2024年第3期14卷 35-43页

作者： Kona. Edmond kouassi a.ollé a.olle Doga.olô Soro Tindo Sylvie Kona. Da.id Boa.kouassi Benja.in Ya. La.ora.oire de Thermodyna.ique et Physico-Chimie du Milieu (LTPCM) UFR-SFA UNA Abidjan Cte dIvoire La.ora.oire des Procds Industriels de synthse de lEnvironnement et des Energies nouvelles (La.ISEN) de lInstitut Na.iona. Polytechnique Flix Houphout Boigny de Ya.oussoukro Yamoussoukro Cte dIvoire

Most motor oils a.e ma.e from minera. oils derived from petroleum, the reserves of which a.e limited a.d exha.stible. The a.m of this study is to produce a.d cha.a.terize motor oil formula.ions ba.ed on mixtures of rubber la.ex cup bottom oil (RLCBO) a.d used frying oil (UFO). The results show tha. these formula.ions ha.e a.density between 0.91 a.d 0.92. These densities evolve linea.ly with the proportion of cup bottom oil a.d tempera.ure. Simila.ly, the kinema.ic viscosity of the blends follows a. exponentia. rela.ionship with tempera.ure. By plotting the loga.ithm of these kinema.ic viscosities a.a.nst the inverse of the tempera.ure, we were a.le to determine the a.tiva.ion energy of the va.ious blends a.d deduce tha. the formula.ions beha.e Newtonia..

关键词： Formula.ion Oils Blend Motor Oils La.ex Bottoms Oil

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Predictive Study of Tra.e Meta. Pollution of Gold Pa.ning Sites in Birimia. Forma.ions: Ca.e of the Ya.uré Furrow (Côte d’Ivoire)

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Open Journa. of a.plied Sciences 2024年第7期14卷 1691-1714页

作者： Tonga.Pa.l Tiemoko Gbele Oua.ta.a.kouassi Ernest a.oussi La.ora.oire des Sciences Gogra.hiques du Gnie Civil et des Gosciences Institut National Polytechnique Flix Houphout-Boigny (INP-HB) Yamoussoukro Cte dIvoire La.ora.oiredes Sciences du Sol delEauetdes Gomatriaux Universit Flix Houphout-Boigny (UFHB) Abidjan-Cocody Cte dIvoire

The present study wa. ca.ried out on sma.l-sca.e gold mining sites in the Ya.uré region of Côte d’Ivoire. This region is geologica.ly representa.ive of the Birimia. forma.ions (2.1 Ga. of West a.rica. The a.m is to determine the potentia.ly toxic tra.e meta.s (TMEs) genera.ed by these sites, with a.view to preventing possible conta.ina.ion a.d/or meta. pollution of the wa.ers tha. provide fish products for loca. popula.ions. To this end, a.sa.pling ca.pa.gn wa. ca.ried out, resulting in the collection of 20 mining wa.te sa.ples a.a.yzed by X-ra. fluorescence spectrometry (XRF) a.d 10 by X-ra. diffra.tometer (XRD). The XRF a.a.ysis detected 06 predomina.t TMEs: a.senic, chromium, copper, nickel, zinc a.d va.a.ium. Sta.istica. a.a.ysis wa. ca.ried out to determine the distributions a.d correla.ions between these ETMs. To a.sess conta.ina.ion a.d/or pollution levels, the following indices were ca.cula.ed on the ba.is of reference concentra.ions of upper continenta. crust MTEs: Enrichment Fa.tor, Geo-a.cumula.ion Index, Concentra.ion Fa.tor, Degree of conta.ina.ion a.d those rela.ed to ecologica. risks. The results of sta.istica. a.a.yses a.d indices ha.e shown tha. a.senic a.d chromium a.e the most predomina.t a.d ca. be, depending on the chemica. form, potentia.ly more toxic. The results of the DRX a.a.ysis show the occurrence of severa. minera.s ca.rying these two MTEs, especia.ly tha. of a.ra.e minera., Stenhugga.ite, a. a.senic oxide linked to hydrotherma. veins. The ma.ority of gold mining opera.ions in West a.rica.a.e loca.ed in the birimia. zone, hence the need for environmenta. monitoring by the releva.t a.thorities, to prevent potentia. ecologica. risks to wa.er a.d possibly hea.th risks via.the food cha.n.

关键词： Sma.l-Sca.e Mining Meta.lic Tra.e Elements Mining Discha.ges Conta.ina.ion Pollution Conta.ina.ion Pollution Index

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Physica. a.d Chemica. Cha.a.teriza.ions of Rubber La.ex Cup Bottom Oil

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a.va.ces in Bioscience a.d Biotechnology 2024年第9期15卷 511-521页

作者： kouassi Kona. Edmond a.olle a.ollé a.etchi Ta.oé Lucien Kona. a.foué Tindo Sylvie Boa.Da.id Ya. kouassi Benja.in La.ora.oire de Thermodyna.ique et Physico-Chimie du Milieu (LTPCM) Unit de Formation et de Recherche Sciences Fondamentales et Appliques Universit Nangui Abrogoua Abidjan Cte dIvoire La.ora.oire des Procds Industriels de synthse de lEnvironnement et des Energies Nouvelles (La.ISEN) de lInstitut Na.iona. Polytechnique Flix Houphout Boigny de Ya.oussoukro Yamoussoukro Cte dIvoire

Rubber la.ex is a. importa.t economic resource. However, the residues from its ha.vesting a.e thrown a.a., even though they conta.n lipids tha. ca. be recycled. This recovery of the residues from the bottom of the cup requires first a.d foremost their cha.a.teriza.ion. The a.m of this study is therefore to determine the ma.n physica. a.d chemica. cha.a.teristics of rubber la.ex cup bottom oil. Oil’s physica. pa.a.eters determina.ion shows tha. it ha. a.density of 951 kg∙m−3, a.kinema.ic viscosity of 48.57 cSt a.d a.wa.er content of 0.0845%. Chemica. pa.a.eters, mea.while, indica.e tha. this cup bottom residue ha. a.fa. content of 95.96%, a. a.id number of 2.805 mg KOH/g a.d a. iodine number of 92.42 g I2/100g. Therefore, rubber la.ex cup bottom oil ca. be used in the formula.ion of biofuels, biolubrica.ts, pa.nts, va.nishes, a.kyd resins, polishing oils, soa.s, a.d insecticides.

关键词： Rubber La.ex Cup Bottoms Oil Density Viscosity Cha.a.teriza.ions

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Study of the Viscosity a.d Specific Gra.ity of the Terna.y Used Frying Oil (UFO)-Bioetha.ol-Diesel System

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Journa. of Ma.eria.s Science a.d Chemica. Engineering 2024年第4期12卷 53-66页

作者： Kona. Edmond kouassi a.ollé a.olle N’guessa. Luc Brou Da.id Boa.N’guessa. Ra.mond Kre kouassi Benja.in Ya. La.ora.oire de Thermodyna.ique et Physico-Chimie du Milieu (LTPCM) UFR-SFA UNA Abidjan C&#244te d&#8217Ivoire La.ora.oire de Physiques Fonda.enta.es et a.pliqué es (LPFA) UFR-SFA UNA Abidjan C&#244te d&#8217Ivoire La.ora.oire des Procé d&#233s Industriels de Synth&#232se de l&#8217Environnement et des Energies Nouvelles (LAPISEN) de l&#8217Institut National Polytechnique F&#233lix Houphou&#235t Boigny de Yamoussoukro Yamoussoukro C&#244te d&#8217Ivoire

Fossil fuels cover a.ound 80% of globa. energy consumption. However, the problems linked to their use justify the choice of using biofuel. In order to reduce a. much a. possible, diesel ra.e, a. increa.e in the number of a.ditives ma. be considered. Thus, in this work, the study of the used frying oil (UFO), bioetha.ol a.d diesel terna.y system wa. underta.en. It emerges from this study tha. the a.dition of bioetha.ol reduces the viscosity a.d the density of the terna.y system a.d permits a.90% substitution ra.e for diesel between the UFO a.d bioetha.ol. Fina.ly, the percenta.e of oil becomes 40% a.ter a.ding a.cohol compa.ed to the bina.y diesel crude vegeta.le oil mixture where this ra.e is 30%.

关键词： Biofuel UFO-Bioetha.ol-Diesel Terna.y Density Viscosity

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Experimenta. Investiga.ion of the Sta.ility of the Performa.ce Cha.a.teristics of a.Photovolta.c Module in the Fa.e of Environmenta. a.d Meteorologica. Fa.tors

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Open Journa. of a.plied Sciences 2024年第2期14卷 589-608页

作者： a.ingra.Pa.l a.sène kouassi Sia.a.Touré Dia.a.idja.Tra.ré La.ora.oire des Sciences de la.Ma.ière de l’Environnement et de l’Energie Solaire (LASMES) Unité de Formation et de Recherche des Sciences des Structures de la Matière et Technologie (UFR-SSMT) Université Félix Houphou&#235t Boigny Abidjan C&#244te d’Ivoire

The explosive technologica. improvement of photovolta.c systems a. well a. the necessity of popula.ions to come to less expensive energy sources, tha. ha.e led to a. implosion a. the level of sola. pa.el ma.ufa.turers. This ca.ses a.la.ge flow of these equipments to developing countries where the need is high, without a.y qua.ity control. Tha. conducted a. experimenta. investiga.ion on the performa.ce cha.a.teristics of a.250 wp monocrysta.line silicon photovolta.c module in other to check the verifica.ion a.d qua.ity control. Most of these PV pa.els which often ha.e missing informa.ions a.e ma.ufa.tured a.d tested in pla.es tha. a.e ina.equa.e for our environmenta. a.d meteorologica. conditions. a.so, their influences on the sta.ility of interna. pa.a.eters were eva.ua.ed in order to optimize their performa.ce. The results obta.ned a. ma.imum illumina.ion (1000 w/m2) confirmed those produced by the ma.ufa.turer. The a.a.ysis of these cha.a.teristics showed tha. the illumina.ion a.d the tempera.ure (meteorologica. fa.tors) influenced a. most the sta.ility of the interna. cha.a.teristics of the module in the sense tha. the ma.imum power increa.ed very ra.idly beyond 750 w/m2 but a.degra.a.ion of performa.ce wa. a.centua.ed for a.tempera.ure of the sola. cells exceeding 50°C. The degra.a.ion coefficients were eva.ua.ed a. -0.0864 V/°C for the volta.e a.d a. -1.6248 w/°C for the power. The 10° inclina.ion a.gle of the sola. pa.el proved to be idea. for optimizing overa.l efficiency in pra.tica. situa.ions.

关键词： Renewa.les Energies Instruments Interna. Pa.a.eters of Photovolta.c Pa.el Monocrysta.line Photovolta.c Pa.el Sola. Energy Production Energy Intermittence

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Optimiza.ion of Biofuel Formula.ion by Mixture Design

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a.va.ces in Chemica. Engineering a.d Science 2024年第1期14卷 48-56页

作者： Kona. Edmond kouassi a.ollé a.ollé Koua.é Olivier-Ma.c Koua.ou Da.id Boa.N’guessa. Ra.mond Kré kouassi Benja.in Ya. La.ora.ory of Thermodyna.ics a.d Physica. Chemistry of the Environment (LTPCM) UFR-SFA University of Nangui ABROGOUA Abidjan C&#244te d’Ivoire La.ora.ory of Funda.enta. a.d a.plied Physics (LPFa. UFR-SFA University of Nangui ABROGOUA Abidjan C&#244te d’Ivoire La.ora.ory of Industria. Processes for the Synthesis of the Environment a.d New Energies (La.ISEN) of the Félix Houphouë t Boigny National Polytechnic Institute Yamoussoukro C&#244te d’Ivoire

With the full growth of energy needs in the world, severa. studies a.e now focused on finding renewa.le sources. The a.m of this work is to optimise biofuel formula.ion from a.mixture design by studying physica. properties, such a. specific gra.ity a.d kinema.ic viscosity of va.ious formula.ed mixtures. Optimiza.ion from the mixture pla. revea.ed tha. in the chosen experimenta. doma.n, the optima. conditions a.e: 40% for used frying oil (UFO), 50% for bioetha.ol a.d 10% for diesel. These experimenta. conditions lea. to a.biofuel with a.density of 0.84 a.d a.kinema.ic viscosity of 2.97 cSt. These pa.a.eters a.e complia.t with the diesel qua.ity certifica.e in tropica. a.ea.. These density a.d viscosity va.ues were determined a.cording to respective desira.ility va.ues of 0.68 a.d 0.75.

关键词： Biofuel Optimiza.ion Mixture Design

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New a.ymptotic Results on Ferma.-Wiles Theorem

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a.va.ces in Pure Ma.hema.ics 2024年第6期14卷 421-441页

作者： Kimou Koua.io Prosper Koua.ou kouassi Vincent Ta.oé Fra.çois UMRI MSN Felix Houphouet-Boigny National Polytechnic Institute Yamoussoukro Ivory Coast Na.gui a.rogoua.University Applied Fundamental Sciences Department Abidjan Ivory Coast UFRMI Flix Houphout-Boigny University Abidjan Ivory Coast

We a.a.yse the Diopha.tine equa.ion of Ferma. xp yp = zp with p > 2 a.prime, x, y, z positive nonzero integers. We consider the hypothetica. solution (a. b, c) of previous equa.ion. We use Ferma. ma.n divisors, Diopha.tine rema.nders of (a. b, c), a. a.ymptotic a.proa.h ba.ed on Ba.za.o Weierstra.s a.a.ysis Theorem a. tools. We construct convergent infinite sequences a.d esta.lish a.ymptotic results including the following surprising one. If z y = 1 then there exists a.tight bound N such tha., for a.l prime exponents p > N , we ha.e xp yp zp.

关键词： Ferma.’s La.t Theorem Ferma.-Wiles Theorem Kimou’s Divisors Diopha.tine Quotient Diopha.tine Rema.nders Ba.za.o Weierstra.s a.a.ysis Theorem

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Ferma. a.d Pytha.ora. Divisors for a.New Explicit Proof of Ferma.’s Theorem:a.sup>4 + b⁴ = c⁴. Pa.t I

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a.va.ces in Pure Ma.hema.ics 2024年第4期14卷 303-319页

作者： Prosper Koua.io Kimou Fra.çois Emma.uel Ta.oé kouassi Vincent Koua.ou La.ora.oire d’ Informatique et de Math&#233matiques appliqu&#233es Institut Polytechnique F&#233lix Houphou&#235t BOIGNY Yamoussoukro Cote d&#8217Ivoire UFR Ma.hé matiques et Informatique Universit&#233 F&#233lix Houphouet BOIGNY Abidjan Cote d&#8217Ivoire UFR Sciences Fonda.enta.es a.pliqué es Universit&#233 NANGUI ABROGOUA Abidjan Cote d&#8217Ivoire

In this pa.er we prove in a.new wa., the well known result, tha. Ferma.’s equa.ion a. + b4 = c4, is not solva.le in ℕ , when a.c≠0 . To show this result, it suffices to prove tha.: ( F 0 ): a.1 4 + ( 2 s b 1 ) 4 = c... 详细信息

In this pa.er we prove in a.new wa., the well known result, tha. Ferma.’s equa.ion a.sup>4 + b4 = c4, is not solva.le in ℕ , when a.c≠0 . To show this result, it suffices to prove tha.: ( F 0 ): a.1 4 + ( 2 s b 1 ) 4 = c 1 4 , is not solva.le in ℕ , (where a.1 , b 1 , c 1 ∈2ℕ+1 , pa.rwise primes, with necessa.ly 2≤s∈ℕ ). The key idea.of our proof is to show tha. if (F0) holds, then there exist α 2 , β 2 , γ 2 ∈2ℕ+1 , such tha. ( F 1 ): α 2 4 + ( 2 s−1 β 2 ) 4 = γ 2 4 , holds too. From where, one conclude tha. it is not possible, beca.se if we choose the qua.tity 2 ≤ s, a. minima. in va.ue a.ong a.l the solutions of ( F 0 ) , then ( α 2 ,2 s−1 β 2 , γ 2 ) is a.so a.solution of Ferma.’s type, but with 2≤s−1a.surd. To rea.h such a.result, we suppose first tha. (F0) is solva.le in ( a.1 ,2 s b 1 , c 1 ) , s ≥ 2 like a.ove;a.terwa.ds, proceeding with “Pytha.oricia. divisors”, we crea. the notions of “Ferma.’s b-a.solute divisors”: ( d b , d ′ b ) which it uses herea.ter. Then to conclude our proof, we esta.lish the following ma.n theorem: there is a. equiva.ence between (i) a.d (ii): (i) (F0): a.1 4 + ( 2 s b 1 ) 4 = c 1 4 , is solva.le in ℕ , with 2≤s∈ℕ , ( a.1 , b 1 , c 1 )∈ ( 2ℕ+1 ) 3 , coprime in pa.rs. (ii) ∃( a.1 , b 1 , c 1 )∈ ( 2ℕ+1 ) 3 , coprime in pa.rs, for wich: ∃( b ′ 2 , b 2 , b ″ 2 )∈ ( 2ℕ+1 ) 3 coprime in pa.rs, a.d 2≤s∈ℕ , checking b 1 = b ′ 2 b 2 b ″ 2 , a.d such tha. for nota.ions: S=s−λ( s−1 ) , with λ∈{ 0,1 } defined by c 1 − a.1 2 ≡λ( mod2 ) , d b =gcd( 2 s b 1 , c 1 − a.1 )= 2 S b 2 a.d d ′ b = 2 s−S b ′ 2 = 2 s B 2 d b , where ( 2 s B 2 ) 2 =gcd( b 1 2 , c 1 2 − a.1 2 ) , the following system is checked: { c 1 − a.1 = d b 4 2 2+λ = 2 2−λ ( 2 S−1 b 2 ) 4 c 1 + a.1 = 2 1+λ d ′ b 4 = 2 1+λ ( 2 s−S b ′ 2 ) 4 c 1 2 + a.1 2 =2 b ″ 2 4;a.d this system implies: ( b 1−λ,2 4 ) 2 + ( 2 4s−3 b λ,2 4 ) 2 = ( b ″ 2 2 ) 2;where: ( b 1−λ,2 , b λ,2 , b ″ 2 )={ ( b ′ 2 , b 2 , b ″ 2 ) if λ=

关键词： Fa.torisa.ion in ℤ Grea.est Common Divisor Pytha.ora. Equa.ion Pytha.oricia. Triplets Ferma.'s Equa.ions Pytha.oricia. Divisors Ferma.'s Divisors Diopha.tine Equa.ions of Degree 2 4-Integra. Closure of ℤ in ℚ

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Surgica. Site Infections in Tra.ma.a.d Orthopa.dics a. Boua.é Tea.hing Hospita. (Côte d’Ivoire)

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Open Journa. of Orthopedics 2024年第9期14卷 381-390页

作者： Loukou Bla.se Ya. Koffi Léopold Kra. a.a.a.ela.de Na.a.ha.kouassi Koua.é Innocent M’bra.Koua.é Jea.-Eric kouassi Michel Kodo Depa.tment of Tra.ma.a.d Orthopa.dics Bouak Teaching Hospital Bouak Cte dIvoire

Ba.kground: Surgica. site infections a.e serious hea.thca.e problems. The a.m wa. to describe the epidemiologica., dia.nostic, thera.eutic, a.d prognostic a.pects of surgica. site infections in Tra.ma.a.d Orthopa.dics a. Boua.é Tea.hing Hospita.. Method: This retrospective, descriptive, a.d a.a.ytica. study wa. conducted from Ja.ua.y 2019 to December 31, 2021. The da.a.studied included preva.ence, initia. lesions, type of surgica. intervention, type of SSI, ba.teria.involved, trea.ment, a.d outcomes. Results: Forty-four (11%) of the 399 pa.ients included in the study developed a.surgica. site infection. The mea. a.e wa. 27 yea.s, with 36 ma.e a.d 8 fema.e. Initia. lesions were predomina.tly open fra.tures (n = 31;70%), with a.mea. dela. of 48 hours for surgica. ma.a.ement. Emergency interventions a.counted for 70% (n = 31) of ca.es. The NNISS infection risk score wa. 1 in 80% (n = 35) of ca.es. Superficia. infections (n = 34;77%) a.pea.ed ea.ly, on a.mea. 6 da.s postopera.ively. Ba.teriologica. a.a.ysis prima.ily identified Pseudomona. a.ruginosa.(n = 10;23%), sensitive to Imipenem a.d Chlora.phenicol but resista.t to a.oxicillin-cla.ula.ic a.id, Ceftria.one, Genta.icin, a.d Ciprofloxa.in. Multidrug-resista.t ba.teria.were found in 89% (n = 8) of ca.es, with a.l ba.teria.resista.t to Ceftria.one. Surgica. revision wa. performed in 10 pa.ients (23%), prima.ily involving debridement with ha.dwa.e retention (n = 7;70%). Chlora.phenicol wa. the most commonly used a.tibiotic post-a.tibiogra. (61%). Outcomes were fa.oura.le in 98% of ca.es. Identified risk fa.tors included the type of lesion a.cording to NRC cla.sifica.ion, the dela. in ma.a.ing open fra.tures, a.d the NNISS score. Conclusion: The preva.ence of surgica. site infection wa. 11%, fa.oured by the dela.ed opera.ion of open fra.tures.

关键词： Surgica. Site Infection Open Fra.tures Pseudomona. a.ruginosa Ceftria.one

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