نتایج جستجو برای: gomperz distribution

تعداد نتایج: 608471  

Journal: :journal of tethys 0

the takmeh-dash region comprises a wide variety of igneous bodies that have been developed from early to late neogen. the granitic rocks and related aplite apophyses have been developed along fault-dominated structures which defines a well pronounced mineralized zone. according to isotopic and fluid inclusion studies, most of the quartz-pyrite units are solution-related with some traces of cu, ...

Journal: :iranian journal of science and technology (sciences) 2005
j. behboodian

the problem of hypothesis testing with a nuisance parameter is considered. two methods forusing fuzzy knowledge on the nuisance parameter to test hypotheses are suggested. these methods areneither a pure classical nor a pure bayesian approach to hypothesis testing, but rather related to both. afew known examples and their applications, which cannot be studied by the parametric statisticalmethod...

Journal: :iranian journal of science and technology (sciences) 2006
a. r. soleimani

scott and szewczyk in technometrics, 2001, have introduced a similarity measure for twodensities f1 and f2 , by1, 21 21 1 2 2( , ), ,f fsim f ff f f f< >=< >< >wheref1, f2 f1(x, θ1)f2(x, θ2)dx.+∞−∞< >=∫sim(f1, f2) has some appropriate properties that can be suitable measures for the similarity of f1 and f2 .however, due to some restrictions on the value of parameters and the kind of densities, ...

1994
Dobryna Zalvidea Sergio Granieri Enrique E. Sicre

The on-axis intensity distribution, or the Strehl ratio versus defocus, is described in a phase-space domain in terms of the Wigner distribution function. A coordinate transformation that is defined for a general annular aperture is employed to convert the pupil amplitude transmittance into a one-dimensional function. We show that the single display of the Wigner distribution function associate...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور 1387

چکیده ندارد.

Journal: :journal of computational & applied research in mechanical engineering (jcarme) 2014
mohammad riahi mohamad hoseinpour gollo seiied nader ameli kalkhoran

laser forming is a modern process which is mainly used for forming metals. different lasers are used in this regard that includes nd: yag and co2. in this study, forming bi-layer sheets of aluminum/ceramic by laser was investigated. furthermore, effect of uniform and gaussian heat flux distribution in different power, velocity, and beam diameters on bending angle was studied. fem simulation ind...

Journal: :journal of crop protection 0
mehrnoosh jafari department of bio-system mechanic engineering, faculty of agriculture, tarbiat modares university, tehran, iran. saeid minaei department of bio-system mechanic engineering, faculty of agriculture, tarbiat modares university, tehran, iran. naser safaie department of plant pathology, faculty of agriculture, tarbiat modares university, tehran, iran. farah torkamani-azar department of electrical engineering, college of electrical and computer engineering, shahid beheshti university, tehran, iran. mehdi sadeghi department of horticultural sciences, faculty of agriculture, tarbiat modares university, tehran, iran.

many environmental and physiological factors affect plant temperature. the objective of this study was to use thermal imagery to investigate robust features for early diagnosis of botrytis cinerea infection in cut rose flowers under the postharvest application of methyl jasmonate (meja). three cases treated with different concentrations of meja (0.1, 0.2, and 0.3 µl.l−1), a control (0 µl.l−1 me...

Journal: :CoRR 2014
Christopher Portmann Renato Renner

This work is intended as an introduction to cryptographic security and a motivation for the widely used Quantum Key Distribution (QKD) security definition. We review the notion of security necessary for a protocol to be usable in a larger cryptographic context, i.e., for it to remain secure when composed with other secure protocols. We then derive the corresponding security criterion for QKD. W...

2005
Maria Iwińska

We give some characterizations of the exponential distribution based on the distributional properties and the expected values of record values; the index of record values has the geometric distribution.

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