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Die Behandlung von Inkonsistenz in der Optimalit tstheorie
Darai, Zsuzsanna,Rákosi, Csilla
Argumentum , 2011,
Abstract: This paper analyses the treatment of inconsistencies in Optimality Theory by making use of the tools of the p-model of plausible argumentation by Kertész & Rákosi (2012). With the help of a case study it reconstructs and evaluates the most frequent methods applied by OT. It shows that these strategies are based on the reconstruction of inconsistencies as “weak” inconsistency and can be interpreted as the joint application of the “contrastive” and “combinative” strategies of the treatment of inconsistencies. Since the p-model interprets linguistic theorising as a problem solving process, it is capable of describing the characteristic of OT that it subscribes a constitutive role to the continuous emergence and resolution of inconsistencies. Therefore, it is possible to compare the techniques applied by OT to the handling of inconsistencies by Government and Binding Theory.
Antibound poles in cutoff Woods-Saxon and in Salamon-Vertse potentials
J. Darai,A. Rácz,P. Salamon,R. G. Lovas
Physics , 2012, DOI: 10.1103/PhysRevC.86.014314
Abstract: The motion of l=0 antibound poles of the S-matrix with varying potential strength is calculated in a cutoff Woods-Saxon (WS) potential and in the Salamon-Vertse (SV) potential, which goes to zero smoothly at a finite distance. The pole position of the antibound states as well as of the resonances depend on the cutoff radius, especially for higher node numbers. The starting points (at potential zero) of the pole trajectories correlate well with the range of the potential. The normalized antibound radial wave functions on the imaginary k-axis below and above the coalescence point have been found to be real and imaginary, respectively.
Participatory evaluation and promotion of cereals and grain legumes for enhancing food security at Bajura district, Nepal
RK Neupane, BP Mahato, R Darai, B Hamal
Agronomy Journal of Nepal , 2011, DOI: 10.3126/ajn.v2i0.7522
Abstract: Participatory varietal selection (PVS) trials in maize, wheat, finger millet, buckwheat, pigeon pea and field pea, mixed cropping legumes with maize were implemented and farmer-preferred varieties of those crops disseminated in Barabish VDC (900-1600 m) of Bajura district during 2007/08 to 2009/10 with a view to enhance the local level food security. Results from PVS trials showed that maize variety Deuti produced the highest mean grain yields of 3625 kg/ha which was 25% higher than the local variety, wheat variety WK-1204 was the highest yielder (3901 kg/ha), with 48% more yields than the popular and check variety RR-21. Fingermillet variety KK -1 was the highest yielder (2459 kg/ha) in midhills, whereas ACC # 2827-1, NF1703-34, and performed better in high hills. This variety showed wider adaptation both in the mid and high hills. Sweet buckwheat genotype IR-13 was most preferred by farmers. For bitter buckwheat, genotypes ACC #- 2223-1 (4813 kg/ha), Sample # 8 (2333 kg/ha) and ACC # -2227-1 (1354 kg/ha) were high yielding. Field pea variety Sikkime produced the highest fresh pod yield of 4185 kg/ha and was superior to Kalaam Local. Seed yields of medium duration pigeonpea variety Rampur Rahar-1 evaluated for the first time in the locality, ranged between 250-1500 Kg/ha. Extra short duration variety of pigeonpea suitable for growing in pigeonpea-wheat rotation in rainfed uplands has been selected by farmers. The economic benefit of intercropping groundnut with maize was higher than intercropping pigeonpea or soybean, due to higher selling price of groundnut. On-farm seed saving and seed procurement of selected varieties had been initiated to ensure adequate seed supply at the local level. More than 1829 kg seed of wheat variety WK-1204 was produced and 40 % of it was used as seed in 2010 winter season. A total of 328 farmers comprising 28% females and 72% males were benefited through participation in crop and seed production trainings organized at the villages. Up-scaling of selected varieties / technologies has been suggested. DOI: http://dx.doi.org/10.3126/ajn.v2i0.7522 Agronomy Journal of Nepal (Agron JN) Vol. 2: 2011 pp.75-87
A természetes nyelvi szinten ható kompozicionalitás elve Frege szemantikájában (2. rész)
Darai, Zsuzsanna
Argumentum , 2006,
Abstract: The present article aims to provide a survey of the role and appearance of the concept of compositionality in Frege’s works. It is important to emphasise that in Frege’s interpretation compositionality is a universal principle, which links syntax with semantics. That is, the syntactic arrangement of phrases in a sentence has its equivalent at semantic level as well. Therefore, if a sentence is well-formulated at syntactic level, it is also defined by the principle of compositionality at semantic level. This principle applies in Frege’s interpretation to each syntactically well-formulated sentence, however, it only works at a natural linguistic level.
A természetes nyelvi szinten ható kompozicionalitás elve Frege szemantikájában (1. rész)
Darai, Zsuzsanna
Argumentum , 2005,
Abstract: The present article aims to provide a survey of the role and appearance of the concept of compositionality in Frege’s works. It is important to emphasise that in Frege’s interpretation compositionality is a universal principle, which links syntax with semantics. That is, the syntactic arrangement of phrases in a sentence has its equivalent at semantic level as well. Therefore, if a sentence is well-formulated at syntactic level, it is also defined by the principle of compositionality at semantic level. This principle applies in Frege’s interpretation to each syntactically well-formulated sentence, however, it only works at a natural linguistic level.
On the intersection of the shell, collective and cluster models of atomic nuclei II: Symmetry-breaking and large deformations
J. Cseh,J. Darai
Physics , 2014,
Abstract: We discuss the role of the broken symmetries in the connection of the shell, collective and cluster models. The cluster-shell competition is described in terms of cold quantum phases. Stable quasi-dynamical U(3) symmetry is found for specific large deformations for a Nilsson-type Hamiltonian.
Deformation inside and outside the nuclear molecules
Cseh, J.;Darai, J.;Antonenko, N.V.;Algora, A.;Hess, P.O.;Jolos, R.V.;Scheid, W.;
Revista mexicana de física , 2006,
Abstract: we investigate the interrelation of the clusterization and quadrupole deformation of atomic nuclei, as well as the role of the deformation of the clusters. in our study we incorporate both the energetic preference, and the effect of the pauli-exclusion principle. the 40ca nucleus is considered as an illustrative example. the applied methods can be generalised to heavy nuclei, and to ternary clusterization, too.
Atypical CT and MRI Features of Focal Nodular Hyperplasia of Liver: A Study with Radiologic-Pathologic Correlation  [PDF]
Narendra Darai, Rongbao Shu, Rajkumar Gurung, Xiaojuan Zhang, Gaojun Teng
Open Journal of Radiology (OJRad) , 2015, DOI: 10.4236/ojrad.2015.53020
Abstract: Focal Nodular Hyperplasia (FNH) is the second most hepatic tumor next to hemangioma predominantly affecting women. It is a benign regenerative nodule having an unencapsulated well-defined mass with fibrovascular septae and proliferating bile ductules. Gadoxetic acid is a hepatocyte specific MR contrast agent which is known to be specific for the identifying FNH. Congenital vascular malformation and enlargement due to hormone stimulation is being considered as the main cause of FNH. The central stellate fibrovascular scar is a typical diagnostic imaging feature of FNH and the atypical pathological findings of FNH include large lesions multiple in number, internal necrosis, haemorrhagic foci and fatty infiltration. The atypical imaging features include non-enhancement of the central scar, calcification of the lesion, nonvisualized central scar and pseudocapsular enhancement on delayed imaging. For the accurate diagnosis of FNH, study of atypical radiologic features of FNH in correlation with pathological findings is the most essential. The macroscopic and the microscopic pathognomic changes should be taken as helpful points in the diagnosis of FNH. The main objective of this study is to recognize and understand the typical and atypical imaging patterns observed in CT and MR imaging of FNH with pathological correlation which avoids the necessity of biopsy and further investigations.
Comparison with Surgical Findings for the Accuracy of Routine MRI in Rotator Cuff Tears  [PDF]
Narendra Darai, Suvash Pokhrel, Rongbao Shu, Xiaojuan Zhang, Jiacheng Liu, Gaojun Teng
Open Journal of Radiology (OJRad) , 2016, DOI: 10.4236/ojrad.2016.62011
Abstract: Objective: To evaluate the diagnostic efficacy of magnetic resonance imaging (MRI) for the detection of partial-thickness rotator cuff tears (PTT) and full-thickness rotator cuff tears(FTT) by comparing its findings with surgical findings as the gold standard and to improve the previous MRI accuracy in diagnosing rotator cuff tears (RCT) considering more variables. Methods: In 45 months, 804 patients underwent MRI shoulder joint. Among them, only 95 cases had undergone both MRI imaging and surgery accordingly. The patient records were evaluated retrospectively if MRI and surgery were performed within 40 days of MRI. MRI findings were categorized into PTT, FTT and no tears which were further divided into different types according to four main nominal data as variables viz. site, size, shape and muscle involvement in RCT and were correlated with surgical findings for statistical calculation by using Kappa coefficient and McNemar Bowker test. Results: 81 patients (86 RCTs) underwent surgery within 40 days. On the basis of site as variable, MRI correctly depicted 100% of full thickness tears(FTT), 85% of bursal partial thickness tears(PTT), 80.4% of articular partial thickness tears(PTT). The consistency in diagnosis of RCT between MRI and surgery was moderate (Kappa coefficient 0.645). Overall sensitivity, specificity and accuracy of MRI for diagnosing PTT was 87.3%, 53.3% and 81.3%; and that for FTT was 100%, 98.7% and 98.8% respectively. Likewise on the basis of size, shape and muscles involved, the consistency between MRI and surgery was poor for size and shape and moderate for muscles involved; and the difference in diagnosing RCT by MRI and surgery was significant for shape (P = 0.002) only, but not significant for size (P = 0.16) and for muscles involved (P = 0.206) respectively. The agreement between MRI and surgery in diagnosing calcific tendinitis and shoulder joint hematoma with Kappa coefficient is (0.577) and (0.556) respectively. Conclusion: MRI has better accuracy for detecting FTT and has high sensitivity and positive predictive value in diagnosing both PTT and FTT. Combining more others variables in addition to RCT, MRI offers a great value in diagnosing RCT.
Selection rule and energetic stability: Complementary aspects of nuclear clusterization
Algora, A;Cseh, J;Darai, J;Hess, P.O;
Revista mexicana de física , 2006,
Abstract: the deformation-dependence of clusterization in atomic nuclei is investigated. in particular, allowed and forbidden cluster-configurations are determined for the ground, superdeformed, and hyperdeformed states of some light and heavy nuclei, based on a microscopic (real and effective su (3)) selection rule. for light nuclei the real u (3) symmetry is used to characterize the parent and cluster nuclei. in the case of heavy nuclei our study is based on the application of the effective u (3) symmetry, which was first introduced for nuclei with large prolate deformation [1]. the stability of the different cluster configurations from the viewpoint of the binding energy [2] is also investigated for comparison.
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