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Now showing items 11-20 of 25
Synthesis and spectroscopic structural studies of the adducts formed in the reaction of aminopyridines with TCNQ
(
Elsevier
, 2006 , Article)
The adducts 7,7-dicyano-8,8-di-m-aminopyridilequinodimethane and 7,7-dicyano-8,8-di-p-aminopyridilequinodimethane are formed by the reaction of the electron donors 3-aminopyridine (3APY) and 4-aminopyridine (4APY), ...
ظاهرة تكرار القصص في القرآن الكريم
(
جامعة الأزهر - كلية أصول الدين
, 2006 , Article)
الملخص
Disability, depression and somatization in a low back pain population
(
Blackwell Publishing Asia
, 2006 , Article)
Objective: The aim of this study was to determine the prevalence of low back pain (LBP) in a primary care setting population and examine its association with the symptoms of depression and somatization.
Methods: This ...
حرية المرأة المسلمة في القرآن والسنة
(
كلية دار العلوم
, 2006 , Article)
الحمد لله الذي جعل ميزان الكرامة التقوى؛ والعمل الصالح: فقال
تعالى: "يا أَيُهَا الناس إنا خلفناكم مّن ذكر وأنقى وَجَعَلْنَاكمْ شَعُوبًا وقبَائِل
تَعَارُوا إِنُ أَكْرَمَكُمْ عند الله أَنْقَاكُمْ" (الحجرات)؛ وبذلك اقتضى ...
A novel multilevel carrier-based PWM-control method for GTO inverter in low index modulation region
(
IEEE
, 2006 , Article)
Gate turn offs (GTOs) have an inherent minimum ON-OFF time, which is needed for their safe operation. For GTO-based three-level or neutral-point-clamped (NPC) inverters, this minimum ON-OFF pulsewidth limitation results ...
A new construction technique of a triangle-free 3-colored K16’s
(
Elsevier Inc
, 2006 , Article)
In this paper, we propose a new coloring technique of the edges of the complete graph on 16 vertices, K16, with three different colors, without producing any monochromatic triangle. This method is totally different from ...
Self-implantation of Cz-Si: Clustering and annealing of defects
(
Elsevier
, 2006 , Article)
Observations of vacancy clusters formed in Czochralski (Cz) Si after high energy ion implantation are reported. Vacancy clusters were created by 2 MeV Si ion implantation of 1 × 10 15 ions/cm 2 and after annealing between ...
Corrosion properties of duplex treated Ti-6Al-4V alloy in chloride media using electrochemical and positron annihilation spectroscopy techniques
(
Elsevier B.V.
, 2006 , Article)
The corrosion properties of duplex-treated and nitrided Ti-6Al-4V have been investigated in 0.025, 0.25 and 2.5 M NaCl using electrochemical techniques, Positron Annihilation Spectroscopy (PAS), X-ray diffraction (XRD), ...
Investigations of He <sup>+</sup> implantation and subsequent annealing effects in InP
(
Elsevier
, 2006 , Article)
The influence of 70 keV He + ion implantation and subsequent annealing of Cz-indium phosphide (InP) samples has been investigated using a slow positron beam-based Doppler broadening spectrometer. Three samples with ion ...
The effect of gamma irradiation and shelf aging in air on the oxidation of ultra-high molecular weight polyethylene
(
Elsevier
, 2006 , Article)
This study has investigated the effect of shelf aging, for up to one year in air, on the properties of gamma-irradiated ultra-high molecular weight polyethylene (UHMWPE). A variety of techniques were used to characterize ...