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Now showing items 21-30 of 140
Synthesis and biological activity of some new aminoacylcarbazole derivatives. Part I
(
Wiley-Blackwell
, 1982 , Article)
The syntheses of different 9-(N-phthalyl- or N-tosyl- or free aminoacyl)carbazoles and the corresponding derivatives of 3,6-dinitrocarbazoles and some derivatives of 3,6-diamino-9-(N-phthalylaminoacyl)carbazoles (II-XXXII) ...
The relationship between attitudes and achievemet in SL ( a case study of students at the University of Qatar)
(
Qatar University
, 1998 , Article)
Attitudes and motivation are considered important factors in Language Acquisition (LA). Learners' attitudes towards speakers ofTarget Language (TL) and the TLitselfhave been the subject of intensive research in applied ...
Effects of substituting fish meal with Azolla pinnata in practical diets for fingerling and adult Nile tilapia, Oreochromis niloticus (L.)
(
Blackwell Publishing Ltd
, 1992 , Article)
Dry and fresh Azolla pinnata were evaluated as feed ingredients for fingerling and adult Nile tilapia, Oreochromis niloticus (L.). Dry Azolla was incorporated into practical diets containing approximately 30% crude protein ...
DESIGN AND UTILIZATION OF A LOW-COST FLEXIBLE MANUFACTURING CELL
(
IEEE
, 1988 , Conference Paper)
This paper describes how to establish and efficiently utilize a low-cost Flexible Manufacturing (FM) cell for education, light machining and assembly operations. The cell comprises a microcomputer, manufacturing workstations, ...
Photosynthetic acclimation to high temperatures in wheat
(
John Wiley & Sons, Ltd.
, 1992 , Article)
Growth and photosynthetic performance were assessed for the Finnish wheat Triticum aestivum L. var. APU under a cool (13/10�C day/night) and a warm (30/25�C day/night) regime. Plants exhibited a certain degree of acclimation ...
Water stress and gibberellic acid effects on growth of fenugreek plants
(
Springer Berlin / Heidelberg
, 1998 , Article)
Fenugreek plant is susceptible to water stress during the vegetative growth stages, since a soil matric potential lower than -0.3 MPa causes substantial reduction in growth parameters such as height, weight and total leaf ...
Helminth parasites of fishes from two inland lakes in Egypt
(
Nihon Kiseichu Gakkai
, 1990 , Article)
Results of helminthological examination of 1243 fishes, caught from two inland lakes, with unique and contrasting hydrobiological features at Fayoum Governate in Egypt, are presented.
General incidence of trematodes, ...
Effects of Stocking Density and Feeding Levels on Growth Rates and Feed Utilization of Rabbitfish Siganus canaliculatus
(
John Wiley & Sons, Ltd.
, 1995 , Article)
Ultrasonic and thermal properties of γ-irradiated low-density polyethylene
(
John Wiley & Sons, Inc.
, 1993 , Article)
The ultrasonic pulse-echo technique and differential thermal analysis were utilized to characterize and to monitor the effect of ?-irradiation on the sonic modulus and the heat effect of low-density polyethylene. The sonic ...
The use of Robot Redundancy in Contour Path Operations for Selected Manufacturing Applications
(
IEEE
, 1992 , Conference Paper)
Redundant robots have many applications and use in path synthesis for crowded workspace and in minimum time control path tracking problems. In selected manufacturing applications - such as spray painting, continuous welding, ...