نتایج جستجو برای: d25

تعداد نتایج: 149  

2017
Arron Briddick Peixun Li Arwel Hughes Florence Courchay Alberto Martinez Richard L. Thompson

The vertical depth distribution of individual additive components (cetyltrimethylammonium bromide (CTAB) and deuterated pentaethylene glycol monododecyl ether (d25-C12E5) and deuterated glycerol (d-glycerol) in PVA film have been isolated and explored by ion beam analysis techniques and neutron reflectometry. The additives display an unexpectedly rich variety of surface and interfacial behaviou...

Journal: :American journal of physiology. Regulatory, integrative and comparative physiology 2006
Lori L Woods

Maternal glucocorticoids have been postulated to play an important role in prenatal programming for adult hypertension in the offspring. However, we have shown previously that offspring hypertension caused by maternal dexamethasone subcutaneous administration at 100 microg x kg(-1) x day(-1) can be accounted for by the corresponding reduction in food intake that these mothers experience. The pr...

2004
A. Parodi

Solutions of the Vacuum String Field Theory (VSFT) equation of motion involving matter part are given by projectors, and they represent nonperturbative solutions (e.g. the sliver) interpreted as D25-branes (or lower dimensional branes), but they are not mathematically well defined as they have zero norm. In this work we will use a regularization procedure based on the cutoff version of Moyal St...

2015
Radhakrishnan Manikkam Gopikrishnan Venugopal Balagurunathan Ramasamy Vanaja Kumar

Article history: Received on: 06/04/2015 Revised on: 22/04/2015 Accepted on: 17/05/2015 Available online: 27/06/2015 Effect of culture conditions and critical medium components on antitubercular pigment production from novel Streptomyces sp D25 isolated from Thar desert, Rajasthan was investigated. Antitubercular pigment from Streptomyces sp. D25 was produced by Agar Surface Fermentation (ASF) ...

2002
Washington Taylor

Tachyon condensation in the open bosonic string is analyzed using a perturbative expansion of the tachyon potential around the unstable D25-brane vacuum. Using the leading terms in the tachyon potential, Padé approximants can apparently give the energy of the stable vacuum to arbitrarily good accuracy. Level-truncation approximations up to level 10 for the coefficients in the tachyon potential ...

1999
G. Trinchieri

We present near–infrared, H–band (1.65μm), surface photometry of 174 spiral galaxies in the area of the Pisces–Perseus supercluster. The images, acquired with the ARNICA camera mounted on various telescopes, are used to derive radial profiles of surface brightness, ellipticities, and position angles, together with global parameters such as H-band magnitudes and diameters . The mean relation bet...

Journal: :Plants 2023

An appropriate planting density could realize the maximum yield potential of crops, but mechanism sweet potato storage root formation in response to is still rarely investigated. Four densities, namely D15, D20, D25, and D30, were set for 2-year two-site field experiments investigate carbohydrate lignin metabolism roots its relationship with number, yield, commercial characteristics at harvest ...

2001
David J. Gross

We describe the ghost sector of cubic string field theory in terms of degrees of freedom on the two halves of a split string. In particular, we represent a class of pure ghost BRST operators as operators on the space of half-string functionals. These BRST operators were postulated by Rastelli, Sen, and Zwiebach to give a description of cubic string field theory in the closed string vacuum arisi...

2008
Radoslav Rashkov Sankaran Viswanathan

We re-examine the recent proposal of Rastelli, Sen and Zwiebach on the tachyon fluctuation of the vacuum string field theory representing a D25 brane, originally considered by Hata and Kawano. We show that the tachyon state satisfies the linearized equations of motion on-shell in the strong sense thereby allowing us to calculate the ratio Ec T25 of energy density to the tension of the D-brane t...

2017
Lifeng Qiu Mei-Chih Liao Allen K Chen Shunhui Wei Shaoping Xie Shaul Reuveny Zhi Dong Zhou Walter Hunziker Eng King Tan Steve K W Oh Li Zeng

Recent reports have indicated human embryonic stem cells-derived midbrain dopamine (mDA) neurons as proper cell resources for use in Parkinson's disease (PD) therapy. Nevertheless, no detailed and systematic study has been conducted to identify which differentiation stages of mDA cells are most suitable for transplantation in PD therapy. Here, we transplanted three types of mDA cells, DA progen...

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