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السجلات المعروضة 3371 -- 3380 من 3407
كشاف مجلة مركز بحوث السنة والسيرة الأعداد من 1-4
(
Qatar University
, 1991 , Article)
Management Accounting in a Dynamic Economic Environment: An Evaluation Study
(
Qatar University
, 1995 , Article)
The effect of temperature and relative humidity on survival of unfed hyalomma impeltatum (acarina: ixodidae)
(
Qatar University
, 1991 , Article)
This work investigates survival of unfed Hyalomma impeltatum in which 8089 larvae, 3946 nymphs, 2058 males and 2304 females held at different combinations of temperature (21, 25, 29 and 34°C) and relative humidity (RH) ...
A histological study on the neuroendocrinal system of a coleopterous insect, cy3ister tripunctatus africanus cast.
(
Qatar University
, 1983 , Article)
Four different types of neurosecretory cells were identified in the brain of the adult water beetle, Cybister tripunctatus africanus Cast. These cells were identified into A, B, C, & D types according to their morphological ...
The Effect of Bibliotherapy in Reducing Test Anxiety Among Jordanian College Students
(
Qatar University
, 1997 , Article)
The purpose of this study was to investigate the effect of bibliotherapy upon reducing test anxiety among Jordanian college students. Fifty five (55) Participants were randomly assigned either to experimental or controlled ...
Design and Performance Evaluation of a High Speed Transport Protocol
(
Qatar University
, 1994 , Article)
Transport protocols that were designed for network today are not adequate for high speed networks of the future due to the increase in network bandwidth relative to the speeds of the processor components. As a result, 100 ...
Factor analysis of integrated radiometric data as an aid In geological mapping of gebel eneigi area South Eastern Desert, Egypt
(
Qatar University
, 1994 , Article)
Factor analysis technique was applied to airborne gamma-ray spectrometric data of Gebel Eneigi Area, South Eastern Desert of Egypt where the concentration maps of U, Th, K and their ratios besides the Tc (total count map) ...
Flow and Fracture Behaviour of Tungsten Fiber Reinforced Superalloy Composites-Effect Of Specimen Geometry
(
Qatar University
, 1989 , Article)
The influence of aspect ratio (i.e. width to height ratio) of test specimens on the flow and fracture behaviour of fiber reinforced composites is herein examined. The composite material was prepared by isostatic pressing ...
Selection Of Optimized Fuzzy Rules For Process Control Systems: Using Genetic Algorithms
(
Qatar University
, 1996 , Article)
In this paper modeling, selection and optimization of fuzzy rules for multivariable feedback process control and decision making systems are developed and discussed. A general model for multivariable fuzzy rules is derived ...
آراء عينة من معلمي العلوم - قبل وأثناء الخدمة - حول مشكلات تدريس العلوم ببعض المدارس الابتدائية بمنطقة الجوف بالسعودية "دراسة ميدانية"
(
Qatar University
, 1993 , Article)