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Geo-statistical modeling of mean annual rainfall over the Iran using ECMWF database
Robab Razmi,Saeed Balyani,Mohammad Reza Mansouri Daneshvar 대한공간정보학회 2017 Spatial Information Research Vol.25 No.2
In the present study, the main aim was the spatial evaluation annual rainfall of Iran based on the European Centre for Medium Range Weather Forecast (ECMWF) database. An attempt, using geo-statistical modeling by ordinary least squares (OLS) and geographically weighted regression (GWR) procedures, was also made. The results represented that the GWR model with higher S2, lower residuals without spatial autocorrelation effect and lower RMSE is an optimized geo-statistical model for rainfall modeling of Iran based on ECMWF gridded database. This model can explain spatio-temporal rainfall distribution in Iran in a diversified topographical and geographical background. This model revealed that two high mountain ranges of Zagros and Alborz in west and north, respectively, strikingly affect the temporal and spatial patterns of rainfall. Therefore, the statistical correlation matrix revealed that Iranian rainfall data is dominantly depended on geographical latitude and topographical altitude/slope with 0.56 and 0.32 correlation coefficients, respectively.
Control of Cancer Growth Using Two Input Autonomous Fuzzy Nanoparticles
Fahimeh Razmi,Reihaneh Kardehi Moghaddam,Alireza Rowhanimanesh 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2015 NANO Vol.10 No.4
A major challenge in cancer therapy is destroying cancer cells with least side effects on healthy cells. In this paper, autonomous drug-encapsulated nanoparticle (ADENP) with a real feedback control is recommended to prevent from the growth of cancerous tumors and treatment of them. The proposed ADENPs, swarmly perform local drug delivery which leads to significant reduction in side effects on healthy tissues in comparison to global drug delivery. The proposed ADENPs every moment, take feedback directly from drugs and cancer cells and at any time decide how much drugs to release. Also, these ADENPs have the capability of distinguishing unhealthy from healthy tissues, and medication use of these nanoparticles is more efficient than drug carriers. Another feature of these ADENPs is their simple structure in comparison to nanorobots. Simulation results show that ADENPs successfully reduce the number of cancer cells with minimal side effects.
Bretton Woods II and the East Asian Emerging Economies: Lazarus, Phoenix, or Humpty Dumpty?
A. Razmi 한국국제경제학회 2013 International Economic Journal Vol.27 No.3
the post-Asian crisis years. The recent international financial crisis has, however, put Bretton Woods II (or BW II) under considerable strain. This paper analyzes the sustainability of the pre-crisis order from an East Asian emerging country perspective. A simple framework incorporating real and financial sectors is constructed in order to explore possible consequences of the shocks and policy choices that these economies currently face. Stock and flow implications are analyzed. Assuming that recent events would have reinforced monetary authorities’ desire to maintain an adequate cushion of reserves while preventing exchange rate volatility, we find that low international interest rates enhance the stability of such a regime. Politico-economic factors, however, render some policies more sustainable than others, increasing the likelihood of a modified BW II regime with reserve accumulation financed to a greater degree by capital account rather than current account surpluses.
Gholamreza Razmi 대한기생충학열대의학회 2009 The Korean Journal of Parasitology Vol.47 No.4
Neospora caninum is an important cause of abortion in dairy cattle worldwide. Dog is the definitive host for N. caninum and can infect dairy cattle. The aim of this study is to determine the prevalence of Neospora oocysts in feces of dogs from dairy farms. A total of 174 fecal samples was collected from 89 farm dogs and 85 household dogs during 2006 and 2008. Fecal samples of dogs were microscopically examined for detecting Hammondia Neospora-like oocysts (HNLO) by Mini Parasep??SF fecal parasite concentrator. HNLO were microscopically detected in 4 fecal samples (2.2%). The fecal samples with HNLO were examined by N. caninum-specific PCR. Two of the samples were positive for N. caninum. The 2 positive fecal samples were selected for inoculation to calves. Two inoculated calves were seronegative by ELISA for 4 months post-infection. This is the first report of finding N. caninum DNA in feces of farm dogs in Mashhad area, Iran.
Rassouli, Maryam,Razmi, Golam Reza,Movassaghi, Ahmad Reza,Bassami, Mohammad Reza,Sami, Mehrdad The Korean Society of Veterinary Science 2013 大韓獸醫學會誌 Vol.53 No.1
The obligatory intracellular protozoan parasite Toxoplasma gondii is a major world wide cause of infectious ovine abortion. In some different diagnostic techniques that are being used to detect this pathogen in ovine fetuses, immunohistochemistry (IHC) is a very sensitive and expensive one. Histopathology is not truly a specific and sensitive test for Toxoplasma infection but it can be helpful to choose some suspected tissues for IHC. In this study 9.5% of 200 samples (aborted ovine fetuses internal organs such as brain, liver, heart, lung, kidney, spleen) (4.6~14.4% with 95% CI) were positive in IHC with a very good logical agreement among different diagnostic techniques (${\kappa}=0.73$, 0.8) and with no significant difference among different fetal age groups (p > 0.05).
Shokouhinejad, Noushin,Razmi, Hassan,Farbod, Maryam,Alikhasi, Marzieh,Camilleri, Josette The Korean Academy of Conservative Dentistry 2019 Restorative Dentistry & Endodontics Vol.44 No.3
Objective: The aim of this study was to evaluate discoloration of teeth undergoing regenerative endodontic procedures (REPs) using blood clot or platelet-rich fibrin (PRF) as the scaffolds and different calcium silicate-based materials as the intracanal coronal barriers in an ex vivo model. Materials and Methods: Forty-eight bovine incisors were prepared and disinfected using 1 mg/mL double antibiotic paste (DAP). The specimens were then randomly divided into 2 groups (n = 24) according to the scaffolds (blood or PRF). After placement of scaffolds each group was divided into 2 subgroups (n = 12) according to the intracanal coronal barriers (ProRoot MTA or Biodentine). The pulp chamber walls were sealed with dentin bonding agent before placement of DAP and before placement of scaffolds. The color changes (${\Delta}E$) were measured at different steps. The data were analyzed using 2-way analysis of variance. Results: Coronal discoloration induced by DAP was not clinically perceptible (${\Delta}E{\leq}3.3$). Regarding the type of the scaffold, coronal discoloration was significantly higher in blood groups compared with PRF groups at the end of REP and after 1 month (p < 0.05). However, no significant difference was found between PRF and blood clot after 6 months (p > 0.05). Considering the type of intracanal coronal barrier, no significant difference existed between ProRoot MTA and Biodentine (p > 0.05). Conclusions: With sealing the dentinal tubules of pulp chamber with a dentin bonding agent and application of DAP as an intracanal medicament, coronal color change of the teeth following the use of PRF and blood sealed with either ProRoot MTA or Biodentine was not different at 6-month follow-up.
Noushin Shokouhinejad,Hassan Razmi,Marzieh Alikhasi,Marzieh Alikhasi,Josette Camilleri 대한치과보존학회 2019 Restorative Dentistry & Endodontics Vol.44 No.3
Objective: The aim of this study was to evaluate discoloration of teeth undergoing regenerative endodontic procedures (REPs) using blood clot or platelet-rich fibrin (PRF) as the scaffolds and different calcium silicate-based materials as the intracanal coronal barriers in an ex vivo model. Materials and Methods: Forty-eight bovine incisors were prepared and disinfected using 1 mg/mL double antibiotic paste (DAP). The specimens were then randomly divided into 2 groups (n = 24) according to the scaffolds (blood or PRF). After placement of scaffolds each group was divided into 2 subgroups (n = 12) according to the intracanal coronal barriers (ProRoot MTA or Biodentine). The pulp chamber walls were sealed with dentin bonding agent before placement of DAP and before placement of scaffolds. The color changes (∆E) were measured at different steps. The data were analyzed using 2-way analysis of variance. Results: Coronal discoloration induced by DAP was not clinically perceptible (ΔE ≤ 3.3). Regarding the type of the scaffold, coronal discoloration was significantly higher in blood groups compared with PRF groups at the end of REP and after 1 month (p < 0.05). However, no significant difference was found between PRF and blood clot after 6 months (p > 0.05). Considering the type of intracanal coronal barrier, no significant difference existed between ProRoot MTA and Biodentine (p > 0.05). Conclusions: With sealing the dentinal tubules of pulp chamber with a dentin bonding agent and application of DAP as an intracanal medicament, coronal color change of the teeth following the use of PRF and blood sealed with either ProRoot MTA or Biodentine was not different at 6-month follow-up.