Abstract –The Example Based Machine Translation (EBMT) system retrievessimilar examples (pairs of source phrases, sentences, or texts and their translations) froma database of examples, adapting the examples to translate new input. The Example Base(EB) is an important component in an EBMT system. It handles the storage to support thetranslation process. Thus, an efficient EB must be capable of handling a massive volumeof examples at an adequately high speed.In this research, a new approach to reduce the redundancy problem that some EBMTsystems suffer from is suggested by designing EB using B+ tree. The EB is used to storethe examples of a particular field in a manner that reduces the redundancy of theseexamples (or even sub examples) in order to provide efficient memory usage and tominimize the search time. The lexicon of the proposed method is represented by usingtwo databases. One database is used for storing the English words and another database isused for storing the English transfer grammars.

EBMT --- EB --- B+ Tree.

A New Mannich base [N-(4-morpholinomethyl)-1, 8-naphthalimide] (L), was synthesized and characterized by C.H.N analysis, FTIR, UV-Vis and 1HNMR spectral analysis. Metal ion complexes of (L) with Pt(IV), Rh(III), Ru(III) and Pd(II) ions were prepared and characterized by FT-IR, and UV-Vis spectroscopy, elemental analysis (C.H.N), flame atomic absorption techniques as well as magnetic susceptibility and conductivity measurements. The results showed that metal ion complexes for all complexes were found in [1:2] [M:L] ratio except for Pd(II) complex which was found in [1:1] [M:L] ratio. Hyperchem-8 program has been used to predict structural geometries of the (L) and it's complexes in gas phase. The electrostatic potential (EP) of the (L) was calculated. Furthermore, the heat of formation (∆Hf^o), binding energy (∆Eb), vibration spectra, electronic spectra and bond length for the ligand (L) and its metal ion complexes were calculated by PM3 methods. The antimicrobial activity of (L) and its complexes has been extensively studied against pathogenic bacteria such as (Pseudonomous aerugionosa) as gram negative and (Bacillus Subtilis) as gram positive and fungi (Candida albicans) and (Aspergillus flavus) by agar-well diffusion technique.

تم تحضير قاعدة مانخ الجديدة [N-(4- مورفولينومثيل)-8,1- نفثال ايمايد] (L) والتي شخصت باستخدام التحليل الدقيق للعناصر(C.H.N) وطيف الاشعة تحت الحمراء (FT-IR) وطيف الرنين النووي المغناطيسي (H.NMR1). حضرت معقدات الليكاند (L) مع ايونات العناصر Pd(II), Ru(III), Rh(III) ] Pt(IV) ] والتي شخصت باستخدام اطياف الاشعة تحت الحمراء وفوق البنفسجية – المرئية والتحليل الدقيق للعناصر (C.H.N) والامتصاص الذري اللهبي بالاضافة الى قياسات التوصيلية الكهربائية والحساسية المغناطيسية . اظهرت النتائج ان المعقدات المحضرة كانت بنسبة [2:1] [L:M] مع [Ru(III), Rh(III), Pt(IV) ] ماعدا مع [Pd(II)] كانت النسبة [1:1] [L:M]. استخدم برنامج (8-Hyperchem) لاستنتاج التراكيب الهندسية لكل من الليكاند (L) ومعقداته في الطور الغازي . تم حساب الجهد الالكتروستاتيكي (Ep) لليكاند (L) , بالاضافة الى ذلك تم حساب حرارة التكوين (∆Hf°) وطاقة التاصر (∆Eb) والتردد الاهتزازي والاطياف الالكترونية واطوال الاواصر لليكاند (L) ومعقداته باستخدام الدالة (PM3) و تم تقيم الفعالية لليكاند (L) ومعقداته ضد البكتريا (Pseudonomous aerugionosa) السالبة لصبغة كرام و (Bacillus Subtilis) الموجبة لصبغة كرام و الفعالية المضادة للفطريات باستخدام النوعين (Candida albicans) و Aspergillus flavus)) باستخدام تقنية التنافذ .

A New Mannich base [N- --- 4-morpholinomethyl-1 --- 8-naphthalimide] --- L --- was synthesized and characterized by C.H.N analysis --- FTIR --- UV-Vis and 1HNMR spectral analysis. Metal ion complexes of --- L with Pt --- IV --- Rh --- III --- Ru --- III and Pd --- II ions were prepared and characterized by FT-IR --- and UV-Vis spectroscopy --- elemental analysis --- C.H.N --- flame atomic absorption techniques as well as magnetic susceptibility and conductivity measurements. The results showed that metal ion complexes for all complexes were found in [1:2] [M:L] ratio except for Pd --- II complex which was found in [1:1] [M:L] ratio. Hyperchem-8 program has been used to predict structural geometries of the --- L and it's complexes in gas phase. The electrostatic potential --- EP of the --- L was calculated. Furthermore --- the heat of formation --- ∆Hf^o --- binding energy --- ∆Eb --- vibration spectra --- electronic spectra and bond length for the ligand --- L and its metal ion complexes were calculated by PM3 methods. The antimicrobial activity of --- L and its complexes has been extensively studied against pathogenic bacteria such as --- Pseudonomous aerugionosa as gram negative and --- Bacillus Subtilis as gram positive and fungi --- Candida albicans and --- Aspergillus flavus by agar-well diffusion technique.