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    题名 作者 年代 出处 被引量
1Low gradient ascites: A seven-year course review显示文摘AIM: To study the patients with low gradient ascites in hospitals of Guilan Province (northern Iran).METHODS: Patients admitted in hospitals of Guilan Province with low gradient ascites from 1993 to 2000 were enrolled in the study. Serum and ascitic fluid albumin levels were determined by biochemical reactions. The serum-ascitic albumin gradient (SAAG) less than 1.1 g/dL was considered low. Statistical analysis was performed with SPSS 9.0software and P<0.05 was considered statistically significant.RESULTS: Of the 148 patients enrolled in the study, 72(48.6%) were males and 76 (51.4%) were females with a mean age of 59.03±13.54 years. Tuberculous peritonitis was the most frequent cause of low gradient ascites in 68 (45.9%). Other most frequent causes were cancer in 62 (41.9%), nephrotic syndrome in 9 (6%), pancreatitis in 6 (4%). Peritoneal cancer was found in 22 (35%),ovarian and gastric cancers were found in 14 (22.5%)and 12 (19.3%), respectively. All of which were the causes of ascites. The mean SAAG was 0.68±0.19 g/dL. The mean serum and ascitic fluid albumin concentrations were higher in tuberculous patients (P<0.006), but lactate dehydrogenase (LDH) level was higher in cancer patients (P<0.0001). In peritoneal tuberculosis, mean ascitic glucose concentration was significantly lower than other patients (P<0.0001).CONCLUSION: Tuberculosis should be considered in all patients with low gradient ascites especially in developing countries (like Iran), as the first cause of ascites. In the approach to patients with low gradient ascites, ascitic fluid glucose, and LDH level are useful indicators for decision making.Fariborz Mansour-Ghanaei Afshin Shafaghi Amir-Hossein Bagherzadeh Mohammad-Sadegh Fallah 2005World Journal of Gastroenterology2005,11,15:15
2补肾和脉方治疗动脉粥样硬化炎症的效果及机制探讨显示文摘目的研究补肾和脉方(HMF)对载脂蛋白E基因敲除(Apo E^(-/-))小鼠动脉粥样硬化(AS)的治疗效果及可能机制。方法将24只Apo E^(-/-)小鼠随机分为高脂组、HMF组和阿托伐他汀组,每组8只。高脂组给予高脂饲料(0.25%胆固醇和15%可可脂)喂养,HMF组给予高脂饲料+HMF[1.37 g/(kg·d)]喂养,阿托伐他汀组给予高脂饲料+阿托伐他汀[5 mg/(kg·d)]喂养。8周后,戊巴比妥钠(0.8%,0.05 m L/10 g)腹腔注射麻醉,取小鼠胸主动脉切片,行常规HE染色观察胸主动脉斑块大小;行免疫组化染色检测巨噬细胞CD68、肿瘤坏死因子(TNF)-α、白细胞介素(IL)-1β和IL-8的表达水平。并采用日本全自动生化分析仪测量小鼠总胆固醇(TC)和总三酰甘油(TG)水平。结果 HMF组胸主动脉斑块大小,胸主动脉斑块内CD68、TNF-α、IL-1β和IL-8的表达水平,TC、TG水平均明显低于高脂组,高于阿托伐他汀组(均P<0.05)。结论 HMF具有抗动脉硬化作用,可抑制AS进展,其机制可能与降低血脂,减轻斑块炎症细胞浸润,减少炎症因子分泌有关。Abdulai Fallah Tengbeh 郝青青 陈旭 曹新冉 王莹 徐飞飞 董波 杨传华 2016天津医药2016,44,2:9
3Radiation-induced inflammation and autoimmune diseases显示文摘Currently,ionizing radiation(IR)plays a key role in the agricultural and medical industry,while accidental exposure resulting from leakage of radioactive sources or radiological terrorism is a serious concern.Exposure to IR has various detrimental effects on normal tissues.Although an increased risk of carcinogenesis is the best-known long-term consequence of IR,evidence has shown that other diseases,particularly diseases related to inflammation,are common disorders among irradiated people.Autoimmune disorders are among the various types of immune diseases that have been investigated among exposed people.Thyroid diseases and diabetes are two autoimmune diseases potentially induced by IR.However,the precise mechanisms of IR-induced thyroid diseases and diabetes remain to be elucidated,and several studies have shown that chronic increased levels of inflammatory cytokines after exposure play a pivotal role.Thus,cytokines,including interleukin-1(IL-1),tumor necrosis factor(TNF-α)and interferon gamma(IFN-α),play a key role in chronic oxidative damage following exposure to IR.Additionally,these cytokines change the secretion of insulin and thyroid-stimulating hormone(TSH).It is likely that the management of inflammation and oxidative damage is one of the best strategies for the amelioration of these diseases after a radiological or nuclear disaster.In the present study,we reviewed the evidence of radiation-induced diabetes and thyroid diseases,as well as the potential roles of inflammatory responses.In addition,we proposed that the mitigation of inflammatory and oxidative damage markers after exposure to IR may reduce the incidence of these diseases among individuals exposed to radiation.Rasoul Yahyapour Peyman Amini Saeed Rezapour Mohsen Cheki Abolhasan Rezaeyan Bagher Farhood Dheyauldeen Shabeeb Ahmed Eleojo Musa Hengameh Fallah Masoud Najafi 2018Military Medical Research2018,5,1:7
4Mixed-effects modeling for tree height prediction models of Oriental beech in the Hyrcanian forests显示文摘Height–diameter relationships are essential elements of forest assessment and modeling efforts.In this work,two linear and eighteen nonlinear height–diameter equations were evaluated to find a local model for Oriental beech(Fagus orientalis Lipsky) in the Hyrcanian Forest in Iran.The predictive performance of these models was first assessed by different evaluation criteria: adjusted R^2(R^2_(adj)),root mean square error(RMSE),relative RMSE(%RMSE),bias,and relative bias(%bias) criteria.The best model was selected for use as the base mixed-effects model.Random parameters for test plots were estimated with different tree selection options.Results show that the Chapman–Richards model had better predictive ability in terms of adj R^2(0.81),RMSE(3.7 m),%RMSE(12.9),bias(0.8),%Bias(2.79) than the other models.Furthermore,the calibration response,based on a selection of four trees from the sample plots,resulted in a reduction percentage for bias and RMSE of about 1.6–2.7%.Our results indicate that the calibrated model produced the most accurate results.Siavash Kalbi Asghar Fallah Pete Bettinger Shaban Shataee Rassoul Yousefpour 2018Journal of Forestry Research2018,29,5:6
5Evaluation of parameters affecting reflection cracking in geogrid-reinforced overlay显示文摘The influence of the most important parameters on the service life of reinforced asphalt overlay with geogrid materials in bending mode was examined by employing the Taguchi method and analysis of variance techniques. The objectives of this experiment was to investigate the effects of grid stiffness, tensile strength, coating type, amount of tack coat, overlay thickness, crack width and stiffnesses of asphalt overlay and existing asphalt concrete on propagation of the reflection cracking. Results indicate that the stiffnesses of cracked layer and overlay are the main significant factors that can directly improve the service life of an overlay against the reflection cracking. Generally, glass grid is more effective in reinforced overlay than polyester grid. Effect of crack width of the existing layer is significant when its magnitude increases from 6 to 9 mm.Shahab Fallah Ali Khodaii 2015Journal of Central South University2015,22,3:3
6Impact of land-use management on nitrogen transformation in a mountain forest ecosystem in the north of Iran显示文摘Soil inorganic N is one of the most important soil quality indexes, which may be influenced by land-use change. The historical conversion of land-use from native vegetation to agriculture resulted in sharp declines in soil N dynamics. This study was conducted to determine the soil inorganic N concentrations and net N mineralization rate in four common types of land-uses in the mountain forest area in the north of Iran, namely arable land, pine plantation, ash plantation, and beech stand. The soil samples were taken from top mineral soil layer (5cm) in each site randomly (n=6) during August- September 2010. Beech stand and ash plantation showed significantly higher total nitrogen compared with arable land and pine plantation, while extractable NH 4 + -N concentration was significantly greater in Beech stand compare to arable soils (p<0.05). No significantly difference was found in Net N mineralization, net nitrification and net ammonification rates among different land-uses. Results showed that net N mineralization and ammonification were occurred just in the soil of Ash plantation during the incubation time. Our findings suggested that conversion of Hyrcanian forests areas to pine plantation and agricultural land can disrupt soil natural activities and affect extremely soil quality.Maryam Asadiyan Seyed Mohammad Hojjati Mohammad reza Pourmajidian Asghar fallah 2013Journal of Forestry Research2013,24,1:3
7The Effect of Variable Stator on Performance of a Highly Loaded Tandem Axial Flow Compressor Stage显示文摘Increasing the aerodynamic load on compressor blades helps to obtain a higher pressure ratio in lower rotational speeds.Considering the high aerodynamic load effects and structural concerns in the design process,it is possible to obtain higher pressure ratios compared to conventional compressors.However,it must be noted that imposing higher aerodynamic loads results in higher loss coefficients and deteriorates the overall performance.To avoid the loss increase,the boundary layer quality must be studied carefully over the blade suction surface.Employment of advanced shaped airfoils(like CDAs),slotted blades or other boundary layer control methods has helped the designers to use higher aerodynamic loads on compressor blades.Tandem cascade is a passive boundary layer control method,which is based on using the flow momentum to control the boundary layer on the suction surface and also to avoid the probable separation caused by higher aerodynamic loads.In fact,the front pressure side flow momentum helps to compensate the positive pressure gradient over the aft blade's suction side.Also,in comparison to the single blade stators,tandem variable stators have more degrees of freedom,and this issue increases the possibility of finding enhanced conditions in the compressor off-design performance.In the current study,a 3D design procedure for an axial flow tandem compressor stage has been applied to design a highly loaded stage.Following,this design is numerically investigated using a CFD code and the stage characteristic map is reported.Also,the effect of various stator stagger angles on the compressor performance and especially on the compressor surge margin has been discussed.To validate the CFD method,another known compressor stage is presented and its performance is numerically investigated and the results are compared with available experimental results.Hamzeh Eshraghi Masoud Boroomand Abolghasem M.Tousi Mohammad Toude Fallah Ali Mohammadi 2016Journal of Thermal Science2016,25,3:3
8Estimation of conservation value of myrtle(Myrtus communis)using a contingent valuation method:a case study in a Dooreh forest area,Lorestan Province,Iran显示文摘Background:Around 2000 plant species occur naturally in Lorestan Province of which 250 species are medicinal and myrtle is one of them.Myrtle is a shrub whose leaves and fruits have medicinal value and thus,if managed and harvested properly,could produce sustained economic benefits.In recent years,however,over half of the myrtle site areas was destroyed,due to inappropriate management and excessive harvesting practices.Thus,coming up with a practical harvesting approach along with identifying those factors damaging the sites,seems to be very crucial.Methods:In our investigation,we calculated the conservation value per hectare of myrtle in the Dooreh forest area in Lorestan Province.Using the Contingent Valuation(CV) and Double Bounded Dichotomous Choice(DBDC) methods,we determined the willingness to pay(WTP) for myrtle conservation.The WTP was estimated with a logit model for which indices were obtained based on a maximum precision criterion.Results:The results showed that 86.67 per cent of people were willing to pay for the conservation of these myrtle sites.Average monthly WTP per family was calculated as $0.79.The annual conservation value in terms of WTP for the preservation of the myrtle sites in Dooreh was estimated as $102,525.Among the variables of the model presented,education had a positive impact,while the amount proposed for payment and family size had a negative impact on the WTP.Conclusions:Our estimate of the value of myrtle conservation should provide justification for policy makers and decision making bodies of natural resources to implement policies in order to conserve the natural sites of this species more effectively.Neda Amiri Seyed F.Emadian Asghar Fallah Kamran Adeli Hamid Amirnejad 2016Forest Ecosystems2016,3,1:3
9A green multicomponent synthesis of bioactive pyrimido[4,5-b]quinoline derivatives as antibacterial agents in water catalyzed by RuCl_3·xH_2O显示文摘An efficient,convenient and environmentally benign one-pot multicomponent reaction for the preparation of pyrimido[4,5-b]quinoline derivatives as biologically,pharmacologically and antibacterially active products has been developed using RuCl_3·xH_2O as a reusable homogenous catalyst.Use of water as a green solvent,purification of products by non-chromatographic methods,reusability of transition metal homogenous catalyst,saving energy by employing multicomponent reactions,short reaction times and high yields,are some of the advantages of this process.Khalil Tabatabaeian Abdollah Fallah Shojaei Farhad Shirini Seyyedeh Zoha Hejazi Mehdi Rassa 2014Chinese Chemical Letters2014,25,2:3
10伞伐更新法对赫卡尼亚(Hyrcanian)森林系统中森林再生和林分结构的影响(英文)显示文摘研究伞伐更新法对赫卡尼亚森林系统中森林再生和林分结构的影响。在伊朗北部优势种为山毛榉(Fagus orientalisLipsky)的硬木林,采取伞伐更新法和非伞伐更新法方法设计实验区。结果表明,在山毛榉(F orientalis Lipsky)林中采用伞伐更新法处理,明显影响林下草本植物种的频度和密度。伞伐更新法处理后,林堇菜(Viola silvestris Lam.)、车叶草(Asperula odorata L.)、苔草(Carex spp.)和悬钩子(Rubushyrcanus Juz)的种频度明显增加。在对照区,树种的胸高直径(57.50±2.15cm)大于被处理区(50.67±1.88cm)的树种的胸高直径(50.67±1.88 cm),但对照区和处理区的树种的高度值相似。在1995-2005年间,波斯铁木(Parrotia persica)苗木数量增加到13.2%,而山毛榉(F orientalis)和欧洲鹅耳枥(Carpinus betulus)的苗木数量却明显减少。总之,应该利用其它育林方法,如,带状择伐作业,而不是伞伐更新法培育赫卡尼亚森林中山毛榉林。Mohammad Reza Pourmajidian Hamid Jalilvand Asghar Fallah Seyed Ataollah Hosseini Aidin Parsakhoo Amin Vosoughian Ali Rahmani 2010Journal of Forestry Research2010,21,3:2
11Structure formation dynamics in drawing silica photonic crystal fibres显示文摘Wenyu WANG Ghazal Fallah TAFTI Mingjie DING Yanhua LUO Yuan TIAN Shuai WANG Tomasz KARPISZ John CANNING Kevin COOK Gang-Ding PENG 2018Frontiers of Optoelectronics2018,11,1:2
12Regioselective ring opening of epoxides using NH_4SCN/silica sulfuric acid:An efficient approach for the synthesis of β-hydroxy thiocyanate under solvent-free conditions显示文摘硅石硫磺的酸在器官的合成作为一个马厩和有效异构的催化剂被开发。这稳固的酸由 thiocyanate 阴离子催化 epoxides 的 regioselective 戒指开始在没有溶剂的条件下面在高收益在农业、药品的化学作为关键中介给 thiocyanohydrins。Ali R. Kiasat Maryam Zayadi Mehdi Fallah Mehrjardi 2008Chinese Chemical Letters2008,19,6:2
13New correlated MIMO radar covariance matrix design with low side lobe levels and much lower complexity显示文摘In this paper,a new correlated covariance matrix for Multi-Input Multi-Output(MIMO)radar is proposed,which has lower Side Lobe Levels(SLLs)compared to the new covariance matrix designs and the well-known multi-antenna radar designs including phased-array,MIMO radar and phased-MIMO radar schemes.It is shown that Binary Phased-Shift Keying(BPSK)waveforms that have constant envelope can be used in a closed-form to realize the proposed covariance matrix.Therefore,there is no need to deploy different types of radio amplifiers in the transmitter which will reduce the cost,considerably.The proposed design allows the same transmit power from each antenna in contrast to the phased-MIMO radar.Moreover,the proposed covariance matrix is full-rank and has the same capability as MIMO radar to identify more targets,simultaneously.Performance of the proposed transmit covariance matrix including receive beampattern and output Signal-to-Interference plus Noise Ratio(SINR)is simulated,which validates analytical results.Roholah VAHDANI Hossein KHALEGHI BIZAKI Mohsen FALLAH JOSHAGHANI 2021Chinese Journal of Aeronautics2021,34,1:2
14Comparison of the RE and B1 gene for detection of Toxoplasma gondii infection in children with cancer显示文摘Sh. Fallahi B. Kazemi S.J. Seyyed tabaei M. Bandehpour Z. Lasjerdi N. Taghipour N. Zebardast B. Nikmanesh V. Fallah Omrani F. Ebrahimzadeh 2014Parasitology International2014,,1:2
15OCCOM:Efficient computation of observability-based code coverage metrics for functional verification显示文摘FALLAH F DEVADAS S KEUTZER K 2001IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems2001,20,8:1
16A game-theoretic cooperation stimulus routing protocol in MANETs显示文摘OMRANI A FALLAH M S 2008IAENG International Journal of Computer Science2008,35,1:1
17Efficacy of topical bevacizumab for inhibiting recurrent pterygium显示文摘Fallah MR Khosravi K Hasheman MN 0,,01:1
18C-reactive protein and seizures in focal epilepsy:A video-electroencephalographic study显示文摘Alapirtti T Waris M Fallah M 2012Epilepsia2012,53,5:1
19Hippocampal neurogenesis in adult old world primate显示文摘 Reeves AJ Fallah M 1999Proc Natl Acad Sci USA1999,96,5:1
20Prevalence and awareness of melasrnn dur-ing pregnancy显示文摘Moin A Jabery Z Fallah N 2006Int J Dermatol2006,45,3:1
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