Zobrazeno 1 - 10
of 24
pro vyhledávání: '"B, Risley"'
Publikováno v:
American Journal of Botany. 77:69-76
Briza maxima (quaking grass) is a cosmopolitan grass common to Europe and North and South America. It grows in disturbed soils and on roadsides. The hemispherical caryopsis is embedded between a leaflike lemma and flattened palea. The embryo is of th
Publikováno v:
Nursing outlook. 38(4)
The importance of patient education is recognized everywhere. Why, then, are there so many inadequate programs? A study of nursing and medical faculty at a major medical center reveals three key barriers to providing the best possible information.
Publikováno v:
American Journal of Botany. 71:948-957
Publikováno v:
American Journal of Botany. 51:548-551
Publikováno v:
Botanical Gazette. 124:311-316
1. Certain features of differentiation of helically thickened vessel members were observed. Young vessel members contain cisternoid endoplasmic reticulum, mitochondria, and dictyosomes. During differentiation vesicles with single-layered membranes re
Autor:
William B. Risley, Thomas A. Brubaker
Publikováno v:
International Journal of Electronics. 35:513-521
The effect of sampling interval drift on the digital filter magnitude function is considered for impulse invariant and bilinear transform design methods. For both types of filter designs a change in the sampling interval will cause critical filter fr
Publikováno v:
Botanical Gazette. 123:233-243
1. The development of sieve-plate pores was studied by the use of light and electron microscopes. The results reported here pertain to the secondary phloem of Robinia pseudoacacia L. and primary phloem of Cucurbita maxima Duchesne. 2. The sites of th
Publikováno v:
American Journal of Botany. 53:217-219
Publikováno v:
Journal of ultrastructure research. 13(1)
The partitions and frets of chloroplasts of Aspidistra, Phaseolus vulgaris , and Pisum sativum may be resolved after successful fixation (KMnO 4 glutaraldehyde followed by Dalton's or OsO 4 , acrolein followed by Dalton's or OsO 4 , and by OsO 4 alon
Publikováno v:
American journal of botany. 52