Schild's Null Strings in Flat and Curved Backgrounds [PDF]
Schild's null (tensionless) strings are discussed in certain flat and curved backgrounds. We find closed, stationary, null strings as natural configurations existing on the horizons of spacetimes which possess such null hypersurfaces.
A. A. Zheltukhin +22 more
core +3 more sources
Modeling of Accounting and Non Accounting Items Affecting Shareholders, Wealth: Prediction and Validation [PDF]
The Stock market is one of the markets from which investors try to earn interests. Stock returns are the most important measures for decision making of investors in this market.
azam valizadeh Larijani +1 more
doaj +1 more source
Exploring the Relationship Between Post-Modernism and the Political [PDF]
Postmodernism, as the current which has emerged out of developments in the modern world, and by enjoying the critical discourse of modernity, has created many effects on various spheres, including in the political arena. In this research, by raising this
مسعود اخوان کاظمی +1 more
doaj +1 more source
تأثیر امواج فراصوت بر جوانهزنی، فعالیت آنزیمهای آلفاآمیلاز و آنتیاکسیدان، قندها و کلروفیل در سرخارگل [PDF]
سابقه و هدف: جوانهزنی سریع، یکنواخت و کامل بذرها باعث سبز شدن مطلوب و رشد اولیهی سریع گیاه میشود. رشد اولیهی مطلوب سبب دریافت بیشتر تشعشع خورشیدی و افزایش عملکرد میگردد. جوانهزنی بذور سرخارگل کم و نامنظم میباشد.
سیده فاطمه رسولی +3 more
doaj +1 more source
Null Brane Intersections [PDF]
We study pairs of planar D-branes intersecting on null hypersurfaces, and other related configurations. These are supersymmetric and have finite energy density.
A. Abouelsaood +20 more
core +5 more sources
Assessment of Behavior Factor for Steel Plate Shear Wall with Reinforced Concrete Moment Surrounded Frame [PDF]
The steel shear wall is an appropriate resistant system against lateral loads that is been utilized in modern high-rise buildings and upgrading existing buildings because of numerous benefits.
Madjid Gholhaki +2 more
doaj +1 more source
Formulation design, preparation and characterization of drug carrier polysaccharide nanocomposite containing Curcumin [PDF]
In this research, with the aim of improve the loading efficiency and particle size Chitosan (CS)-Montmorillonite (MMT) nanocomposite were prepared using a ionic gelatinization method for controlled delivery of curcumin.
mahdieh chegeni, shabnam jahani zadeh
doaj +1 more source
Prioritizing of repair and rehabilitation for concrete bridges of road network in Khorasan Razavi province, using analytical hierarchy process (AHP) [PDF]
Considering the necessity of developing the road network, bridges as infrastructures, play a key role in helping and sustaining vital activities in the recovery phase after natural disasters and events.
Soheil Ghareh +2 more
doaj +1 more source
Compact Cardinals and Eight Values in Cicho\'n's Diagram
Assuming three strongly compact cardinals, it is consistent that \[ \aleph_1 < \mathrm{add}(\mathrm{null}) < \mathrm{cov}(\mathrm{null}) < \mathfrak{b} < \mathfrak{d} < \mathrm{non}(\mathrm{null}) < \mathrm{cof}(\mathrm{null}) < 2^{\aleph_0}.\] Under the
Kellner, Jakob +2 more
core +2 more sources

