نتایج جستجو برای: internode length

تعداد نتایج: 308304  

Journal: :Neurocomputing 2011
Shushuang Man Dawei Hong Michael A. Palis Joseph V. Martin

A computational model, the bounded composite inverse-d architecture (BCIA), was developed to characterize signaling in small-world networks with large but bounded numbers of nodes, as in human brains. The model is based upon an N-dimensional symmetrical grid with borders, with complete local connections from each node and relatively fewer long-range connections. The length of the signaling path...

Journal: :Environmental science & technology 2009
C M Aelion H T Davis Y Liu A B Lawson S McDermott

Bayesian kriging is a useful tool for estimating spatial distributions of metals; however, estimates are generally only verified statistically. In this study surface soil samples were collected on a uniform grid and analyzed for As, Cr, Pb, and Hg. The data were interpolated at individual locations by Bayesian kriging. Estimates were validated using a leave-one-out cross validation (LOOCV) stat...

2012
Zhoujian Hu

In the first part of the thesis, chemical analyses were conducted for four populations of switchgrass, SW1-SW8. Each population consisted of 69% leaves, 27% internodes, and 4% nodes. The variations in carbohydrates, lignin, extractives content, Higher Heating Value (HHV), and syringyl:guaiacyl (S:G) ratio were determined among the populations and the morphological portions. The experimental res...

2011
Martin Kreidl

In a recent paper on ‘Estimating Species Trees from Unrooted Gene Trees’ Liu and Yu observe that the distance matrix on the underlying taxon set, which is built up from expected internode distances on gene trees under the multispecies coalescent, is tree-like, and that the underlying additive tree has the same topology as the true species tree. Hence they suggest to use (observed) average inter...

Journal: :journal of sciences islamic republic of iran 0

the use of in vitro potato shoot cultures for protoplast isolation is desirable for consistent protoplast qualities. ethylene build-up in the culture vessels causes problems for leaf growth (e.g. decreasing leaf surface, dry weight and chlorophyll) in shoot culture. fifty to one hundred µm silver thiosulfate (sts) produced a larger leaf area as a source of plant material for protoplast isolatio...

Journal: :International Journal of Plant and Soil Science 2023

A field experiment entitled “Influence of plant density vis-à-vis architecture on Bt cotton (Gossypium hirsutum L.) yield and quality parameters” was carried out sandy loam soil at College farm, Agriculture, PJTSAU, Rajendranagar, Hyderabad during 2021-22. The laid in split plot design with three replications. Results revealed that densities, plants sown under planting 90 x 20 cm (55,555 ha-1) ...

The use of in vitro potato shoot cultures for protoplast isolation is desirable for consistent protoplast qualities. Ethylene build-up in the culture vessels causes problems for leaf growth (e.g. decreasing leaf surface, dry weight and chlorophyll) in shoot culture. Fifty to one hundred µM Silver thiosulfate (STS) produced a larger leaf area as a source of plant material for protoplast isolatio...

Journal: :کشاورزی (منتشر نمی شود) 0
علی دماوندی مربی گروه کشاورزی، دانشگاه آزاد اسلامی واحد دامغان، سمنان علی اکبر صدر افشار مربی گروه زیست شناسی، دانشگاه آزاد اسلامی واحد دامغان، سمنان مصطفی عبادی استادیار گروه کشاورزی، دانشگاه آزاد اسلامی واحد دامغان، سمنان

in order to compare two hydroponic culture systems (countinuous and pumic) for producing two cultivars of greenhouse cucumber (2259 and delta star) an experiment was conducted in randomized complete block design with five replications. for mineral nutrition of plants murashige and skoog solution (m.s.) was used by concentration of leaves. the height of the stem, diameter of the first internode,...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 2013
A Hamish Simpson Thomas H Gillingwater Heather Anderson David Cottrell Diane L Sherman Richard R Ribchester Peter J Brophy

The influences of axon diameter, myelin thickness, and internodal length on the velocity of conduction of peripheral nerve action potentials are unclear. Previous studies have demonstrated a strong dependence of conduction velocity on internodal length. However, a theoretical analysis has suggested that this relationship may be lost above a nodal separation of ∼0.6 mm. Here we measured nerve co...

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