«midpoint vector»
۱۴۵ نتیجهApplication of 3C/3D converted mode reflections, King County, Texas
We used a 3C/3D seismic reflection data set from King County, Texas, to investigate the utility of multicomponent seismic data for improving reservoir characterization. We evaluated a new seismic processing/ interpretation option, based on direct-S modes generated by a vertical-f
How surface roughness affects the angular dependence of the sputtering yield
Comprehensive model is developed to study the impact of surface roughness on the angular dependence of sputtering yield. Instead of assuming surfaces to be flat or composed of exact self-similar fractals, we developed a new method to describe the surfaces. Random fractal surfaces
Cross-correlation based time warping of one-dimensional seismic signals
The computation of a dynamic displacement field between pairs of seismic traces has numerous geophysical applications including the estimation of displacement vectors in time lapse seismic, Pto S-wave image registration and residual moveout correction. In this paper, I present a
A Network of Localized Linear Discriminants
The localized linear discriminant network (LLDN) has been designed to address classification problems containing relatively closely spaced data from different classes (encounter zones [1], the accuracy problem [2]). Locally trained hyperplane segments are an effective way to defi
P 3 L : a Structured High - level Parallel Language , and itsStructured
machine Target machine Optimization libs performance formulae Mapping libs and Process Templates libs Front-end Back-end Figure 9: The structure of the P 3L compiler. Mapping library The mapping library contains several entries for each P 3L construct, each corresponding to a di
Protective vasomotor effects of in vivo recombinant endothelial nitric oxide synthase gene expression in a canine model of cerebral vasospasm.
BACKGROUND AND PURPOSE Post-subarachnoid hemorrhage (SAH) cerebral vasospasm is a potentially devastating condition whose pathogenesis involves impaired nitric oxide (NO) bioavailability. We aimed to determine whether recombinant endothelial NO synthase (eNOS) gene expression may
Influences of mRNA secondary structure on initiation by eukaryotic ribosomes.
Oligonucleotides designed to create hairpin structures were inserted upstream from the ATG initiator codon in several plasmids that encode preproinsulin, and the effects on translation were monitored in COS cells transfected by the vectors. Creation of a hairpin (delta G = -30 kc
The dominant chloride channel mutant G200R causing fluctuating myotonia: clinical findings, electrophysiology, and channel pathology.
Clinical, electrophysiological, and molecular findings are reported for a family with dominant myotonia congenita in which all affected members have experienced long-term fluctuations of the symptom of myotonia. In some patients myotonia is combined with myalgia. The myotonia-cau
Expression and characterization of Pseudomonas aeruginosa cytochrome c-551 and two site-directed mutants: role of tryptophan 56 in the modulation of redox properties.
The gene coding for Pseudomonas aeruginosa cytochrome c-551 was expressed in Pseudomonas putida under aerobic conditions, using two different expression vectors; the more efficient proved to be pNM185, induced by m-toluate. Mature holo-(cytochrome c-551) was produced in high yiel
The Total Length of Spindle Microtubules on the Number of Chromosomes Present Depends
We extracted chromosomes by micromanipulation from Melanoplus differentialis spermatocytes, producing metaphase spindles with only one or a few chromosomes instead of the usual complement of 23. Cells with various numbers of chromosomes were prepared for electron microscopy, and