نتایج جستجو برای: t23

تعداد نتایج: 83  

2008
N. Lehner

We discuss Far Ultraviolet Spectroscopic Explorer (FUSE) observations of two early-type stars, DI 1388 (l = 291.3, b = −41.1◦) and DGIK 975 (l = 287.3, b = −36.0◦), in the low density and low metallicity (Z ∼ 0.08Z⊙) gas of Magellanic Bridge (MB). The data have a spectral resolution of about 15,000 and signal-to-noise ratios range between 10 and 30 per resolution element in the spectra of DI 13...

Journal: :Biochemistry 1977
T L Rosenberry E Neumann

The fluorescence of either N-methylacridinium ( I ) or 1 -methyl-7-hydroxyquinolinium (11) is totally quenched on binding to the catalytic site of acetylcholinesterase. Equilibrium titrations of 11s acetylcholinesterase a t 0.1 M ionic strength with I confirmed previous reports that binding shows high specificity for the catalytic site. Analogous titrations with 11 indicated that only the proto...

2009
Anand S Jayarama Reddy

Forty two strains of Trichoderma sp. were isolated from cultivated lands around Bangalore and analyzed for their antagonistic potential against Sclerotium rolfsii and Fusarium ciceri. The potential of biocontrol agents ultimately lies in their capacity to control pathogens in vivo. Bioefficacy studies were hence conducted using chickpea (Cicer argentums c.v. Annigeri) as an experimental plant b...

1998
Stefan Mann Marcus Klar

syntax static semantics dynamic semantics UML approach class diagrams OCL natural language Object-Z approach Object-Z class specs Object-Z predicates Object-Z operation & class diagrams in class specs specs Figure 4: Comparison of UML and Object-Z approach entities. We use Object-Z as a single formalism for the abstract syntax, the static semantics and the dynamic semantics. 1.5 Comparison to t...

2003
Susan A. Gerbi

Meiosis I in males of the Dipteran $ciara coprophila results in the nonrandom distribution of maternally and paternally derived chromosome sets to the two division products. Based on an earlier study (Kubai, D. E 1982. J. Cell Biol. 93:655-669), I suggested that the meiosis I spindle does not play a direct role in the nonrandom sorting of chromosomes but that, instead, haploid sets are already ...

2014
Jing Yang

The price process of real assets, in particular real estate, is of interest to financial economists for a number of reasons. For example, since real estate is often used as collateral for loans that are used for other types of corporate investments, changes in real estate prices can affect the level of investment expenditures more generally. This relation between real estate prices and corporat...

2012
Timothy A. Salthouse

Two major challenges facing researchers interested in cognitive change are that measures of change are often not very reliable, and they may reflect effects of prior test experience in addition to the factors of primary interest. One approach to dealing with these problems is to obtain multiple measures of change on parallel versions of the same tests in a measurement burst design. A total of 7...

1994
Stephen J. Hegner

Type hierarchies are a central feature of current systems which employ feature structures for the representation and manipulation of linguistic knowledge, such as TFS, ALE, CUF, and LKB. The system CUF stands out amongst these in its very general language for describing such hierarchies. While the other systems use a description language which allows only the speci cation of meets (greatest low...

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