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Now showing items 171-180 of 618
Some Aspects Of Camouflage In Animals
(
Qatar University
, 1989 , Article)
Camouflage is the principal device by which vulnerable animals escape predation. The attention of potential predators can be avoided by protective resemblance -mimicking an inedible object such as a seed or leaf. Concealment ...
Methylated Flavonoids From Artemisia Monosperma
(
Qatar University
, 1989 , Article)
Investigation of the flavonoid constituents of Artemisia monosperma resulted in the isolation and identification of four methylated flavonoids: quercetin 3,3',4'-trimethylether, diosmetin (luteolin 4'-methylether), ...
التطبيق العملي أو "التربية العملية" في التدريس
(
Qatar University
, 1987 , Article)
عوامل حفظ السنة في العصر النبوي
(
Qatar University
, 1988 , Article)
زواج الأقارب بين العلم والدين
(
Qatar University
, 1987 , Article)
Photoperiod and salinity effects on survival and some blood parameters in female Bufo regularis
(
Qatar University
, 1986 , Article)
This study, investigates the effect of different salinities injected (30, 70 and 100 % sea water) and photoperiods (L:D/8:16,L:D/12:12 and L: D / 16 : 8 ) on female Bufo regularis (1) survival rate, (2 ) oxygen and carbon ...
Corrosion Failures: Identification, Diagnosis & Remedies
(
Qatar University
, 1988 , Article)
This paper deals with the nature, typical surface features and common forms of corrosion. It also reports corrosion rates in various locations and under differing environmental conditions, viz. tropical, marine, urban and ...
المعرفة عند الصوفية : مدخل نفسي
(
Qatar University
, 1987 , Article)
Arguments concerming some strategic concepts in sociology and anthropology
(
Qatar University
, 1984 , Article)
Vibrational Analysis Of TaBr5
(
Qatar University
, 1987 , Article)
Vibrational analysis for TaBr5 is achieved on the basis of D3h symmetry and employing GF matrix method. Each vibration is quantitatively assigned according to the calculated values of the potential energy distributions. ...