1,724,386 research outputs found
Abdulkadir Ali Ahmed
No full textBy making an effort to prevent terrorists from getting weapons or bombs into the airport, airport security acts as a first line of defense. If they are successful, there is a far lower likelihood that these gadgets will board airplanes. Therefore, airport security serves two purposes: to safeguard the airport from threats and criminal activity, as well as to safeguard planes
The Concept of Revolution in George Orwells Animal Farm and Ali Ahmed Bakathirs Red Rebel: A Comparative Study
Full text linkThis research is carried out to investigate a very important theme in modern English and Arabic literature the concept of revolution portrayed by two famous English and Arabic literary writers These two writers are the famous English writer George Orwell in one of his most well known political and fable novels Animal Farm and the well known Arabic writer Ali Ahmed Bakathir in his political masterpiece Red Rebel The two famous writers expose and criticize the corruption of totalitarian regimes and communist systems in the modern world that end with great revolutions Orwell and Bakathir have written about violence oppression dictatorship and cruelty that man can inflict on his fellow men There are many points of similarities between the two novels especially the concept of revolutio
Fiji
No full textAli Ahmed. Fiji. In: Journal de la Société des océanistes, n°48, tome 31, 1975. pp. 355-357
Fiji
No full textAli Ahmed. Fiji. In: Journal de la Société des océanistes, n°48, tome 31, 1975. pp. 355-357
L'indépendance à Fidji
No full textAli Ahmed, Langer M. O. L'indépendance à Fidji. In: Journal de la Société des océanistes, n°34, tome 28, 1972. pp. 75-78
Behavioural studies on dopamine receptors in the central nervous system of the rat
No full textA study has been made of the effect of some ergot alkaloids and their derivatives on angiotensin-Il-induced drinking in rats. Ergometrine was the most potent in blocking angiotensin-induced thirst. Lysergic acid diethylamide (LSD) and methysergide showed some moderate activity but bromolysergic acid diethylamide (BOL-148) was inactive. In contrast, carbachol-induced drinking was unaffected by ergometrine suggesting that angiotensin-induced drinking occurs via a mechanism different from that of carbachol. Unilateral intra-nigral injections of ergometrine in rats caused intense-and dose-dependent contraversive circling behaviour. This behaviour was blocked by previous injections (i.p.) of fluphenazine but not by prior intra-nigral injections of fluphenazine, (±)-sulpiride, 5hydroxytryptamine or cyprohepLadine. 6-Hydroxydopamine lesions of the ipsilateral nigrostriatal tract were similarly ineffective. The involvement of a non-dopaminergic mechanism in this behaviour is discussed. Ergometrine induced strong and long-lasting stimulation of locomotor activity following bilateral injection into the nucleus accumbens of rats. Other ergot derivatives such as bromocriptine, pergolide or lisuride were similarly active. The ergometrine response was specifically blocked by neuroleptic drugs, but was unaffected by a-methyl-p-tyrosine (i.p.) or cyproheptadine (intra-accumbens) pretreatments. The dopamine analogue, ADTN (2-amino-6,7-dihydroxy-l,2,3,4tetrahydronaphthalene) induced strong and long-lasting stimulation of locomotor activity following bilateral injection into the nucleus accumbens of conscious rats; an efffect which was blocked by low doses of (±)sulpiride. Similarly, the 2-aminotetralin, T-15520 (trans-2-amino-l,5,6trihydroxy-1,2,3,4-tetrahydronaphthalene) caused intense locomotor stimulation while its cis-isomer was inactive. This effect of the 2-aminotetralin was blocked by fluphenazine but not by the S-adrenoceptor antagonist, dl-propranolol, suggesting an interaction with specific dopamine receptors.-N-(2-chloroethyl) norapomorphine (-NCA) is a drug which causes longlasting blockade of dopamine receptors, possibly by alkylating the receptor. -NCA blocked part of the hypermotility induced by ADTN or pergolide following bilateral injection into the nucleus accumbens. The initial activity induced by either drug was not blocked by -NCA. It did, however, block the entire locomotor activity produced by the dopamine agonist, SK8F 38393. Surprisingly, -NCA did not block the hypermotility caused following the intra-accumbens injection of ergometrine.</p
Electrophysiological and pharmacological studies on mammalian cerebral slices
No full textThis work describes the development of use of in vitro 800μm thick brain slice preparation from adult rats, as a model for studying the electrical activity and the pharmacology of the mammalian cerebral cortex. The cerebral slices were shown to be electrically viable with optimum field potential amplitudes recorded at 30.5-32^oC. Stimulation of the corpus callosum both ipsilaterally and contralaterally to the recording sites produced cortical field potentials detectable in both hemispheres. A comparative study of laminar recording showed that the positive phase of the biphasic (positive-negative) field potential recorded at 0.2mm below the pial surface to callosal stimulation, was reversed to a deep negative potential at 0.4mm below the surface. The conduction velocity of the cortical afferents obtained by ipsilateral and contralateral stimulation of the corpus callosum was 0.246m/sec and 0.177m/sec respectively. Stimulation of the cerebral cortex elicited a slow negative potential of the stimulating electrode. A period of inhibition evoked in the cortex by callosal stimulation lasting about 1.3 sec was also demonstrated. Evoked spikes were recorded from single cerebral neurones following stimulation of the corpus callosum. The latency of both the evoked field potential and the evoked spikes of single neurones was found to be voltage dependent. Pharmacological investigations were performed on the cerebral cortex slice. Drugs were applied by bath perfusion. GABA, at successive concentrations increased the peak amplitude of the field potential but shortened its duration. GABA (2 x 10^-3M) inhibited the evoked activity of single neurones, whereas glycine (3 x 10^-3M) had no effect on this activity. Picrotoxin and bicuculline potentiated the evoked field potentials at low concentrations (10^-9 -5 x 10^-8M), while strychnine had little effect at 10^-5M. Bicuculline (10^-5M) was shown to reverse the effect of GABA on the evoked cortical activity. Extracellular recordings were obtained from spontaneously firing cerebral neurones, the activity of which was analysed using the interspike interval histogram programme. Five cell types were identified in layers II - V which were subsequently shown to have different pharmacological profiles to GABA. (D72317/87)</p
علی احمدباکثیروروایته وآاسلاماه
No full textAli Ahmed Bakather was a renewed author, poet and mentor. He was a poet by birth. He started writing in his early age. He had a deep insight into circumstances and gave the reforms and suggestions by his work. He wrote many columns, stories, novels and poems. some of his novels received great appraise by the world. One of his novel "Waa Islamaah" is of great importance. The novel influenced the then rapid changing Arab world. it gave the message of unity and Jihad. it has been translated into many languages. it was also performed in theatres and telecasted in Television.
The purpose of my article is to enlighten the literal aspects of this great poet and give the critical review of the novel.
The novel is of great importance in these circumstances and gives new ways and enthusiasm for the success of Muslim Ummah
Book Review: Achin Vanik, After the Bomb and Ali Ahmed, India’s Doctrine Puzzle—Limiting War in South Asia
No full text Achin Vanik, After the Bomb. New Delhi: Orient BlackSwan. 2015. 213 pages. ₹575. Ali Ahmed, India’s Doctrine Puzzle—Limiting War in South Asia. New Delhi: Routledge. 2014. 240 pages. ₹695. </jats:p
Reliability of the Dyson-Schwinger gap equation in technicolor theories
No full textSIGLEAvailable from British Library Document Supply Centre- DSC:DX178836 / BLDSC - British Library Document Supply CentreGBUnited Kingdo
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