نتایج جستجو برای: are surface density variations

تعداد نتایج: 5726623  

A. Saatchi and M. A. Golozar, K. Raeissi,

On electropolished steel at low current densities, morphology and texture of electrodeposited zinc were investigated. Zinc coating is consisted of hexagonal crystallites laid on each other to produce packets. These packets are of different sizes and are stacked in different orientations to construct a homogeneous coating on steel substrate. This coating does not have texture, i.e., it has a ran...

A. Saatchi and M. A. Golozar, K. Raeissi,

On electropolished steel at low current densities, morphology and texture of electrodeposited zinc were investigated. Zinc coating is consisted of hexagonal crystallites laid on each other to produce packets. These packets are of different sizes and are stacked in different orientations to construct a homogeneous coating on steel substrate. This coating does not have texture, i.e., it has a ran...

A Saha P.K Vaishnav, S Kundu S.M Abo-Dahab

The present paper studies the possibility of propagation of torsional surface waves in an inhomogeneous anisotropic layer lying between two heterogeneous half-spaces (upper and lower half-space). Both the half-spaces are assumed to be under compressive initial stress. The study reveals that under the assumed conditions, a torsional surface wave propagates in the medium. The dispersion relation ...

Enayat Gholampoor, T, Jorjani, M, Mirhashemi Rostami, A, Mirzaei, M.R, Sharifroohani, M, Tan Shau Hwai, A,

Skin coloration is important in ornamental fish.  Fish  coloration  is  due  to  the  presence  of  chromatophores,  which  contain  pigments  and  are  usually  located  in  dermis.  In  this  study,  the  effects  Marigold  as  natural  carotenoids  was  investigated  on  fish  scale  chromatophores’  variations  under  different  stocking  densities.  For  this,  diet  containing  2.5%  Mari...

2017
Timothy A. Davis

We show that the CO/CO intensity ratio in nearby galaxies varies systematically as a function of the star formation rate surface density (ΣSFR) and gas surface density. The same effect is observed in different transitions, and in the CO/CO ratio, while the CO/CO ratio appears to remain constant as a function of ΣSFR. We discuss the cause of these variations, considering both changes in the phys...

Siamak Jamshidi,

Abstract The study presents monthly variations of seawater properties, monitoring water column stability and stratification over the southern shelf of the Caspian Sea which depends on collecting data. Field measurements were carried out during 13 cruises along the southern boundary of the sea. Spatial and temporal distributions of temperature, salinity and density were investigated. Monthl...

Journal: :international journal of iron & steel society of iran 2009
a. amirkaveei a. saidi a. rezaye

determination of stockpile weight and stockpile inventory are critical to any quarry or mining operation, whether it is required by accounting firms or used internally for the quarterly balance of production and sales. generally, errors and problems originate from two factors. volume of stockpile that is traditionally worked out from the mapping results has a low accuracy due to irregular shape...

Md Noordin Abu Bakar, Siamak Jamshidi,

CTD (conductivity, temperature and depth) data collected in the coastal waters of Rudsar in summer 2008 were analyzed to identify the isothermal layers, thermocline depth and vertical structure of seawater properties. During the survey, probe was released into the seawater column down to 117 m depth. Results showed a vertical variation of temperature between 29°C at the sea surface and less tha...

2010
J. Roman-Duval F. P. Israel A. Bolatto A. Hughes A. Leroy M. Meixner K. Gordon S. C. Madden D. Paradis A. Kawamura A. Li M. Sauvage T. Wong

Context. Previous Spitzer and IRAS observations of the LMC suggest an excess of FIR emission with respect to the gas surface density traced by 12CO rotational emission lines and H i 21 cm emission. This so-called “FIR excess” is especially noticeable near molecular clouds in the LMC, and has usually been interpreted as indicating the presence of a self-shielded H2 component not traced by CO in ...

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