4 research outputs found
A MODELLING STUDY OF THE UNIVERSAL STABILITY FUNCTIONS IN SIMPLE NUMERICAL MODEL SIMULATIONS OVER IDEALIZED URBAN SURFACE
The aim of this numerical study is to evaluate several formulations of universal stability functions, which characterise turbulent exchange processes in the surface layer in the simple one-dimensional and two-dimensional numerical models. In the first part of the paper the one-dimensional prognostic model illustrates the basic behaviour of the stability functions and in the second part, the ability of the mentioned functions to provide a physical and numerical successful two-dimensional integration of the urban heat island circulation is examined. The results show that the examined formulations did not succeed in describing the development of the urban heat island circulation
MMP-2 and MMP-9 polymorphisms and preeclampsia risk in tunisian arabs : a case-control study
The abnormal production of matrix metalloproteinases (MMPs), especially MMP-9 and MMP-2, plays a pivotal role in hypertensive disorders of pregnancy, and as such, can influence the development of preeclampsia. These alterations may result from functional genetic polymorphisms in the promoter region of MMP-9 and MMP-2 genes, which modify MMP-9 and MMP-2 expression. We investigated the association of MMP-9 polymorphism rs3918242 (-1562 C>T) and MMP-2 polymorphism rs2285053 (-735 C>T) with the risk of preeclampsia. This case–control study was conducted on 345 women with preeclampsia and 281 age-matched women with normal pregnancies from Tunisian hospitals. Genomic DNA was extracted from whole blood collected at delivery. Genotypes for -1562 C>T and -735 C>T polymorphisms were performed using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). An increased frequency of heterozygous MMP-9 -1562 C/T genotype carriers was observed in women with preeclampsia compared to healthy controls (p = 0.03). In contrast, the MMP-2 -735 C>T polymorphism was not significantly different regarding frequency distribution of the allele and genotype between healthy pregnant women and women with preeclampsia. Our study suggests that the MMP-9 -1562 C/T variant, associated with high MMP-9 production, could be a genetic risk factor for preeclampsia in Tunisian women
ANALIZA MJESEČNIH VRIJEDNOSTI OSUNČAVANJA U HRVATSKOJ
Sažetak - U ovom radu promatraju se mjesečne vrijednosti osunčavanja na postaji Zagreb Grič i na još 12 postaja u drugim dijelovima Hrvatske. Za nizove se prvo razmatra jesu li homogeni, i to pomoću matematičke statistike. Homogenost se razmatra u najjednostavnijem obliku, što podrazumijeva da je niz jednostavno slučajan. Jednostavna slučajnost niza definira se pomoću nezavisnosti i stabilnosti distribucije elemenata niza, a nezavisnost i stabilnost distribucije elemenata niza dokazuje se pomoću testiranja slučajnosti s obzirom na korelaciju i tendenciju. Nakon toga testiraju se tri razdiobe (normalna, log normalna i gama - razdioba) kako bi se vidjelo koja od njih najbolje opisuje nizove. Niti jedna od te tri razdiobe nije na svim postajama odbijena, ali niti prihvaćena.Za postaju Zagreb Grič dobije se testiranjem gama - razdioba, a za ostale postaje normalna razdioba
Abstracts of the First International Conference on Advances in Electrical and Computer Engineering 2023
This book presents extended abstracts of the selected contributions to the First International Conference on Advances in Electrical and Computer Engineering (ICAECE'2023), held on 15-16 May 2023 by the Faculty of Science and Technology, Department of Electrical Engineering, University of Echahid Cheikh Larbi Tebessi, Tebessa-Algeria. ICAECE'2023 was delivered in-person and virtually and was open for researchers, engineers, academics, and industrial professionals from around the world interested in new trends and advances in current topics of Electrical and Computer Engineering.
Conference Title: First International Conference on Advances in Electrical and Computer Engineering 2023Conference Acronym: ICAECE'2023Conference Date: 15-16 May 2023Conference Venue: University of Echahid Cheikh Larbi Tebessi, Tebessa-AlgeriaConference Organizer: Faculty of Science and Technology, Department of Electrical Engineering, University of Echahid Cheikh Larbi Tebessi, Tebessa-Algeri