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Internal and External Forces in Typology : Evidence from Iranian Languages
Mohammad Dabir-Moghaddam 세종대학교 언어연구소 2006 Journal of Universal Language Vol.7 No.2
In this article the debate in the literature on the role of internal and external forces in shaping the typological features of a language is evaluated in the light of the evidence from Iranian languages. In this study the Greenbergian word order correlations as presented in Dryer (1992) are adopted as the theoretical and statistical framework. On that basis the common typological parameters of the languages studied are identified and the variations in them are also specified. Then the potential and actual areas of convergence/interference of these languages as substrata with Modern Persian as the superstratum are discussed. Despite instances of convergence/interference, the findings reveal the strength of the parameters of variation at the present time. However, the situation in regard to some of these languages is such that instances of even language shift in near future are not unexpected. Hence, it appears that in the Iranian languages studied the impacts of the internal and external forces in typology are potential and relativistic.
Linguistic Typology: An Iranian Perspective
Mohammad Dabir-Moghaddam 세종대학교 언어연구소 2012 Journal of Universal Language Vol.13 No.1
The Iranian languages spoken in Iran reveal a very intriguing typological peculiarity. They all strongly benefit from agreement as a typological parameter. In this paper, I will begin with Comrie (1978) in which he has proposed the five possible language types based on case-marking and verb-agreement and will address the status of several varieties of Kurdish, as well as a dialect of Talyshi and Davani with respect to agreement. I will show that type (d), i.e., the Tripartite system in Comrie’s terminology where S, A, and P each has a distinct marking, and type (e), for which he has not proposed any name but is a type in which A and P are identically marked, are highly productive and stable systems in the mentioned Iranian languages. The observations reported have implications for the notion of type, language change, and linguistic variation.
Does Foreign Aid Affect the Environment in Developing Economies?
B.Mak Arvin,Parviz Dabir-Alai,Byron Lew 중앙대학교 경제연구소 2006 Journal of Economic Development Vol.31 No.1
Preserving the environment is important from both national and international perspectives. Similarly, the provision of foreign assistance from richer to poorer nations is often seen as an imperative. However, there is a noticeable gap in research on how aid flows are linked to the environment in developing economies. Using the method of Granger causality, this paper explores the possible linkages. Results indicate that the external debt of a developing country bears upon the relationship in important ways. The second part of the paper entertains the possibility of spurious causality, tests for cointegration, and present additional results using an error-correction model.
Magnetic field effect on fluid flow characteristics in a pipe for laminar flow
Asadolah Malekzadeh,Amir Heydarinasab,Bahram Dabir 대한기계학회 2011 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.25 No.2
The influence of a magnetic field on the skin friction factor of steady fully-developed laminar flow through a pipe was studied experimentally. A mathematical model was introduced and a finite difference scheme used to solve the governing equations in terms of vorticity-stream function. The model predictions agree favourably with experimental results. It is observed that the pressure drop varies in proportion to the square of the product of the magnetic field and the sine of the magnetic field angle. Also, the pressure drop is proportional to the flow rate. This situation is similar to what applies in the absence of a magnetic field. It is found that a transverse magnetic field changes the axial velocity profile from the parabolic to a relatively flat shape. At first, the radial velocity rises more rapidly and then gradually decreases along the pipe until falling to zero. A numerical correlation can be written for the considerable distance required for the new axial velocity profile to establish. Owing to the changes taking place in the axial velocity profile, it exhibits a higher skin friction factor. The new axial velocity profile asymptotically approaches its limit as the Hartmann number becomes large.
Loanword Syllable Adaptation in Persian: An Optimality-Theoretic Account
Amir Ghorbanpour,Aliyeh K. Z. Kambuziya,Mohammad Dabir-Moghaddam,Ferdows Aghagolzadeh 세종대학교 언어연구소 2019 Journal of Universal Language Vol.20 No.2
The present paper examines the process of loanword syllable adaptation in tetrasyllabic words in Persian, within an Optimalitytheoretic framework. In Persian, consonant clusters are avoided in onset position. As a result, the loanwords borrowed from other languages which have complex onsets, when introduced into Persian, are adapted to fit the syllable structure of the target language. When placed word-initially, the onset cluster is generally resolved by the insertion of an epenthetic vowel. However, this vowel epenthesis occurs in a split pattern, as it does in many other languages. In this study, following Gouskova’s (2001) proposal, we argue that this split pattern in loanword syllabic adaptation can best be explained to be an effect of the Syllable Contact Law (SCL). That is, when the two segments in the onset cluster have a rising sonority sequence, the cluster is broken up by the process of anaptyxis; while in sequences of falling sonority, the cluster is resolved through the process of prothesis. It is argued that, this pattern uniformly holds true at least as far as the dictionary-derived data in the present study are concerned. For the exceptional cases of /SN/ and /SL/ clusters— not attested in our data set, but still present and frequently referred to in the literature—we propose the addition of two positional faithfulness constraints of the DEP-V/X_Y family (Fleischhacker 2001) to our set of universal constraints to account for all the possible cases of loanword syllabic adaptation in Persian.
Morteza Davarpanah,ALI AHMADPOUR,Tahereh Rohani-Bastami,Hossein Dabir 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.30 No.-
Polystyrene resin was functionalized by diethanolamine for the efficient removal of p-toluenesulfonicacid (p-TSA) from aqueous solution. Functionalized adsorbent (DEA-PS) was characterized by elementalanalysis, Fourier transform infrared spectroscopy, point of zero charge measurement and field-emissionscanning electron microscopy. According to the results, maximum removal of p-TSA was observed at thepH range of 2.5–5. The adsorption kinetics of p-TSA onto DEA-PS was represented by pseudo-first-ordermodel and the equilibrium data followed Langmuir model well. The adsorption process wasendothermic and spontaneous, along with the positive change of entropy. The regeneration of DEAPSwas also conducted by 1 M NaOH solution.
Alpha particle detection with GaN Schottky diodes
Polyakov, A. Y.,Smirnov, N. B.,Govorkov, A. V.,Markov, A. V.,Kozhukhova, E. A.,Gazizov, I. M.,Kolin, N. G.,Merkurisov, D. I.,Boiko, V. M.,Korulin, A. V.,Zalyetin, V. M.,Pearton, S. J.,Lee, I.-H.,Dabir American Institute of Physics 2009 JOURNAL OF APPLIED PHYSICS - Vol.106 No.10