http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
ON SOME PROPERTIES OF THE SPACES
Aydin,Gürkanli 장전수학회 2009 Proceedings of the Jangjeon mathematical society Vol.12 No.2
For 1 ≤ p < ∞, Ap (Rn) denotes the space of all complex-valued functions in L¹ (Rn) whose Fourier transforms [수식] belong to Lp(Rn). A number of authors such as Larsen, Liu and Wang [12], Martin and Yap [14], Lai [11] worked on this space. Some generalizations to the weighted case was given by Gurkanli [7], Feichtinger and Gurkanli [4], Fischer, Gurkanli and Liu [5]. In the present paper we give another generalization of Ap (Rn) to the generalized Lebesgue space Lp(x)(Rn): We de…ne A[수식](x) (Rn) to be the space of all complex-valued functions in L[수식] (Rn) whose Fourier transforms [수식] belong to the generalized Lebesgue space Lp(x)(Rn). We endow it with a sum norm and show that A[수식](x) (Rn) is an Sw(Rn) space [2]. Further we discuss the multipliers of A[수식](x) (Rn).
Determination of antibiotics by SPE-LC-MS/MS in wastewater and risk assessment
Aydin, Senar,Aydin, Mehmet E.,Ulvi, Arzu,Kilic, Havva Techno-Press 2018 Advances in environmental research Vol.7 No.3
In this study, conditions of solid phase extraction (SPE) for determination of some antibiotics such as trimethoprim, oxytetracycline, erythromycin, clarithromycin, azythromycin, doxycycline, sulfamethazine, ciprofloxacin, chlortetracycline, sulfamethoxazole in wastewaters were optimized. After the optimum volume and pH of the sample were determined, the effect of the concentration of the compounds and matrix were investigated. The highest recovery rates for antibiotic compounds were determined between 82% and 105% in 200 mL sample volume and pH 2.5. Then, antibiotic compounds were investigated in influent and effluent samples taken from Konya Urban Wastewater Treatment Plant. The concentration of the antibiotics was detected range of 0.11-101 ng/L in influent waters and <dl-288 ng/L in effluent samples in wastewater treatment plant. Hazard quotients (HQs) of antibiotic compounds determined in WWTP effluents to evaluate the risk towards different aquatic organisms (algae, Daphnia magna and fish) were determined. Azythromycin for fish and erythromycin, sulfamethoxazole, ciprofloxacin, clarithromycin for algae posed a moderate risk while azythromycin, ciprofloxacin, clarithromycin, oxytetracycline posed a high risk for algae in the receiving environment.
Aydin, Suleyman,Ozercan, I brahim Hanefi,Geckil, Hikmet,Dagli, Ferda,Aydin, Suna,Kumru, Sinem,Kilic, Nermin,Sahin, I brahim,Ozercan, Mehmet Resat Korean Society for Biochemistry and Molecular Biol 2007 Journal of biochemistry and molecular biology Vol.40 No.3
Ghrelin belongs to the family of a gut-brain hormone that promotes food intake and controls energy balance. Recently, it has also been shown to regulate bone formation directly. Dental tissue shares several functional, developmental and anatomical similarities with bone, and in the present study we have investigated the presence of ghrelin in 44 human teeth using immunocytochemistry and radioimmunoassay. Both methods showed that the hormone is present in canines and molars, mainly in the odontoblasts but also in the pulp. Ghrelin could potentially play interesting physiological roles in teeth.
( Attila Aydin ),( Cemile Aydin ),( Selma Karaahmetogluozkan ),( Zeynep Guven ),( Rukiye Kara ) 대한내과학회 2014 대한내과학회 추계학술대회 Vol.2014 No.1
Background: End stage renal failure is an increasing clinical problem. That is why we should prevent it and capture patients in earlier stages in order to stop their progression. We should determine the causes of hospitalization and acute complications. Methods: The patients who were hospitalized for End Stage Renal Disease (ESRD) between March 2009-2011 patients were studied. We studied the causes of hospitalization in concern with established parameters. The datas were analyzed in SPSS program. Results: The total number of patients were 98 including 50 men and 48 women. The ages of patients were between 27-93. Chronic Kidney Disease (CKD) duration was 2-240 months, the dialysis duration was 0.5-240 months. The most common cause of emergency department admission was infection 39 (%39.8). The Patients admitted with an infection were taken dialysis treatment longer than other patients (p=0.034) and they had a higher initial hemoglobin level (p=0.002) and were hospitalized longer than the other patients (p=0.047). The most common type of infection was pneumonia (%43.6). The most common cause of mortality was sepsis with %40 and pneumonia with %20. There was no statistically difference in terms of albumin level between patients with infection and the others. Although in the exitus group albumin was statically lower than the survivors (p<0.05). Conclusions: The most common cause of ESRD was infection. The most common cause of mortality was also infection; sepsis and pneumonia. We determined that a low albumin level was a bad prognostic factor.
Emine Avşar Aydin,Emine Avşar Aydin 대한전기학회 2019 Journal of Electrical Engineering & Technology Vol.14 No.5
The most common type of cancer for a female is breast cancer in the world. Regular checks and effective-timely treatment are noteworthy parameters for patients’ survival struggle . Against existing imaging methods, microwave imaging method has been considered more powerful and effective method by many researchers. In this paper, comprehensive design equations and parameters of rectangular microstrip patch antenna (RMPA) are given for microwave breast cancer detection. The layered breast model with a spherical tumor that was placed into the fibro-glandular layer was created by using CST Microwave Studio Software, and it was embedded in canola oil to decrease the distorted signals between the transmitting and receiving antennas. The RMPA has a wideband performance from 3 to 18 GHz. The simulation results show that differences in the electric field and reflection coefficients might more efficiently give a possibility to assign the tumor in the breast model. In addition, in this study, the data obtained from these experiments are classified by using the random forest algorithm from the data mining methods. According to the classification result, the random forest algorithm can diagnose breast cancer by classifying the tumor as 94% accuracy.
Mehmet Dumlu Aydin,Ednan Bayram,Zekai Halici,Nazan Aydin,Canan Atalay,Hlzlr Ulvi,Dilcan Kotan,Cemal Gundogdu 대한약학회 2009 Archives of Pharmacal Research Vol.32 No.11
Nifedipine is a therapeutic drug in acute attacks of hypertension because of its rapid absorption from oral mucosa. Taste receptors are innervated by glossopharyngeal nerves (GPN) as well as by facial and vagal nerves. Sensory neurons of the GPNs are localised in the petrous ganglion (PG). Transection of the taste sensitive GPN fibres causes taste bud and PG degeneration and spontaneous hypertension. In this study, the role of chemical stimulation of the taste buds of the GPN by nifedipine and its role in treatment of hypertension were investigated in rabbits. Nifedipine was dropped sublingually (20 mg) for 4 days in the study group, followed by measuring blood pressures again. Then, the lingual branches of GPNs were cut. One month later, blood pressures were measured for 4 days. All animals were sacrificed humanely at the end of the experiment, and normal and degenerated neuron densities in the petrosal ganglions were enumerated stereologically. The antihypertensive effect of nifedipine decreased after GPNs denervation, in accordance with the increase of degenerated neurons in the PG. The chemical stimulation of taste buds of the GPNs by nifedipine may be an important effect of nifedipine application in addition to its calcium channel blocking effect. The rapid decrease in blood pressure following sublingual use of nifedipine may also result from the direct stimulation of taste buds innervated by the GPNs.
Biomechanical Properties of the Cranial Dura Mater with Puncture Defects : An In Vitro Study
Aydin, Hasan Emre,Kizmazoglu, Ceren,Kaya, Ismail,Husemoglu, Bugra,Sozer, Gulden,Havitcioglu, Hasan,Arslantas, Ali The Korean Neurosurgical Society 2019 Journal of Korean neurosurgical society Vol.62 No.4
Objective : The primary aim of this investigation was to explore the nature of dura mater biomechanics following the introduction of puncture defect(s). Methods : Twenty-eight dura mater specimens were collected during autopsy from the department of forensic medicine of the authors' institution. Specimens were divided randomly into one of four groups : group I (cranial dura mater; n=7), group II (cranial dura mater with one puncture defect; n=7); group III (cranial dura mater with two puncture defects; n=7), and group IV (cranial dura mater with three puncture defects; n=7). Results : The mean${\pm}$standard deviation tensile strengths of the dura mater were $8.35{\pm}3.16$, $8.22{\pm}3.32$, $7.13{\pm}1.77$, and $6.94{\pm}1.93MPa$ for groups I, II, III, and IV, respectively. There was no statistical difference between all groups. A single, two or more punctures of the dura mater using a 20-gauge Quincke needle did not affect cranial dura tensile strength. Conclusion : This biomechanical study may contribute to the future development of artificial dura mater substitutes and medical needles that have a lower negative impact on the biomechanical properties of dura mater.
On nearly paraK\"{a}hler manifolds
Aydin Gezer,Sibel Turanli 대한수학회 2018 대한수학회보 Vol.55 No.3
The purpose of the present paper is to study on nearly para\-K\"{a}hler manifolds. Firstly, to investigate some properties of the Ricci tensor and the Ricci* tensor of nearly paraK\"{a}hler manifolds. Secondly, to define a special metric connection with torsion on nearly paraK\"{a}hler manifolds and present its some properties.
Aydin Tarik Zengin,Yutaro Maruno,Hiroshi Okajima,Nobutomo Matsunaga 제어로봇시스템학회 2012 제어로봇시스템학회 국제학술대회 논문집 Vol.2012 No.10
Electric-powered wheelchairs have been used as a convenient transport device for elderly and disabled. Recently, a front drive type electric wheelchair that is easy for a disabled person to climb on from a bed has been focused on. However, front-drive-type wheelchairs are hard to run straight and difficult to operate because their over-steering characteristic is strong owing to free casters. If the wheelchair can be driven by an easy control stick operation, it will be a comfortable function for disabled persons. In our previous study, we proposed a front-drive-type wheelchair control method which realizes comfortable functions, i.e. driving with easy stick operation like the traditional rear-drive-type wheelchair. The proposed control system uses ideal model of electric wheelchairs. By using our proposed method, the maneuverability can be improved for realizing easy stick operation. In this paper, we evaluate the effectiveness of our proposed method by simulations and experiments on a slope with electric-powered front-drive-type wheelchair. In particular, straight-ahead stability on slope is analyzed by human driving.