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Showing 1 to 20 of 70 for “"Επιστήμη Χημικού Μηχανικού"”.
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ΣΥΝΕΙΣΦΟΡΑ ΤΗΣ ΕΠΕΞΕΡΓΑΣΙΑΣ ΕΙΚΟΝΑΣ ΣΤΗ ΦΥΣΙΚΟΧΗΜΙΚΗ ΜΕΛΕΤΗ ΤΩΝ ΒΥΖΑΝΤΙΝΩΝ ΚΑΙ ΜΕΤΑΒΥΖΑΝΤΙΝΩΝ ΕΙΚΟΝΩΝ. ΜΕΤΡΗΣΗ ΤΟΥ ΣΥΝΤΕΛΕΣΤΗ ΑΝΑΚΛΑΣΤΙ...
THE RESEARCH WORK PRESENTED IN THIS THESIS CONCERNS THE STUDY IN DEPTH OF ALL PHYSICOCHEMICAL PHAENOMENA OBSERVED WHEN A PAINT LAYER IS ILLUMINATED BY A VISIBLE OR NEAR INFRARED ELECTROMAGNETIC RADIATION (380-2.500 NM). A NEW METHOD FOR CALCULATION OF THE SCATTERING AND ABSORPTION COEFFICIENTS …
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ΜΕΘΟΔΟΙ ΑΠΟΘΕΙΩΣΗΣ ΠΡΟΙΟΝΤΩΝ ΠΕΤΡΕΛΑΙΟΥ ΧΩΡΙΣ ΚΑΤΑΛΥΤΗ ΚΑΙ ΥΔΡΟΓΟΝΟ
THE INCREASING CONCERN ABOUT ENVIRONMENTAL POLLUTION FROM SO2 HAS LED TO REQUIREMENTS FOR LOWER SULFUR CONTENT OF GASOILS AND RESIDUAL FUELS. IN THE BEGINNING, WE EXAMINED THE DESULFURIZATION AFTER THE EXTRACTION OF PETROLEUM DISTILLATESWITH AMIDIC SOLVENTS (DMF AND NMP) AND THE CHANGES IN THE …
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ΜΕΛΕΤΗ ΠΑΝΩ ΣΤΗΝ ΠΕΡΙΒΑΛΛΟΝΤΙΚΗ ΜΕΘΥΛΙΩΣΗ ΤΩΝ ΜΕΤΑΛΛΩΝ ΥΔΡΑΡΓΥΡΟΥ, ΚΑΣΙΤΕΡΟΥ ΚΑΙ ΜΟΛΥΒΔΟΥ ΣΕ ΥΔΑΤΙΚΑ ΟΙΚΟΣΥΣΤΗΜΑΤΑ
THE AIM OF THIS STUDY IS TO INVESTIGATE THE CONDITIONS UNDER WHICH THE TRANSPORT OF METHYL GROUPS TO METAL SPECIES, NAMELY HG, SN AND PB, IS TAKING PLACE INTHE ENVIRONMENT.
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ΑΡΙΣΤΟΠΟΙΗΣΗ ΜΟΝΤΕΛΟΥ ΣΤΗ ΔΙΑΔΙΚΑΣΙΑ ΤΗΣ ΑΝΑΕΡΟΒΙΑΣ ΖΥΜΩΣΗΣ ΣΤΗΝ ΘΕΡΜΟΦΙΛΗ ΠΕΡΙΟΧΗ
A NEW DYNAMIC MODEL HAS BEEN PRESENTED FOR ANAEROBIC DIGESTION PROCESS IN THERMOPHILIC REGION (50-55 C). THE THREE KEY FEATURES OF THIS NEW MODEL ARE: 1) USE OF PATTERN OF PATHWAYS FROM A GROUP OF SIMPLE BIOREACTIONS, 2) CONSIDERATION OFSUBSTRATE BIODEGRADATION BY WAY OF LOWEST ENERGY UTILISATION, …
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ΠΡΟΣΔΙΟΡΙΣΜΟΣ ΧΛΩΡΙΩΜΕΝΩΝ ΥΔΡΟΓΟΝΑΝΘΡΑΚΩΝ ΣΕ ΟΡΓΑΝΙΣΜΟΥΣ
THE STUDY WAS CARRIED OUT OF THE DETERMINATION IN BODY TISSUES OF CHLORINATED HYDROCARBONS OF ENVIRONMENTAL INTEREST. THESE ARE THE POLYCHLORINATED BIPHENYLS,ALDRIN, P.P'-DDE, HEPTACHLOR O.P'- DDT, P.P'-DDT, P.P'-DDD, A- AND Γ-BHC, HEPTACHLOR EPOXIDE, DIELDRIN AND ENDRIN. THE FOLLOWING PROCEDURE …
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ΠΟΛΥΚΡΙΤΗΡΙΑΚΗ ΑΡΙΣΤΟΠΟΙΗΣΗ ΑΠΟΣΥΝΘΕΣΙΜΟΥ ΚΑΤΑ LAGRANGE ΣΥΣΤΗΜΑΤΟΣ
THE ABOVE THESIS RELATES TO THE SUBJECT OF GROUP MULTIOBJECTIVE OPTIMIZATION OFLAGRANGE DECOMPOSABLE SYSTEM IN THE PROCESS OF PRODUCTION OF BENZENE. THE GENERAL CASE, IN WHICH THE LOCAL DECISION MAKERS OF SYBSYSTEMS GENERALLY USE THEIR OWN VIEWS TO WEIGH THE DIFFERENT CRITERIA IN RELATION TO THEIR …
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ΕΠΙΔΡΑΣΗ ΤΗΣ ΦΥΣΗΣ ΤΩΝ ΑΝΙΟΝΤΩΝ CL ΚΑΙ S04 ΣΤΗ ΔΟΜΗ ΚΑΙ ΤΙΣ ΙΔΙΟΤΗΤΕΣ ΤΩΝ ΗΛΕΚΤΡΟΛΥΤΙΚΩΝ ΕΠΙΘΕΜΑΤΩΝ ΝΙ
ELECTROLYTICAL DEPOSITS WERE PREPARED FROM SIMPLES NICKEL BATHS OF NICL2 AND NISO4. AFTER CRYSTALLOGRAPHIC CONTROL THE STRUCTURE OF THE DEPOSITS WAS KNOWN ANDTWO DIAGRAMMS OF STRUCTURE WERE MADE. THE PROPERTIES OF THE ELECTRODEPOSITS WERE STUDIED. A) CURRENT EFFICIENCY, B) CORROSION, C) REFLEXION, …
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ΜΗΧΑΝΙΣΜΟΣ ΔΙΑΒΡΩΣΗΣ ΣΙΔΗΡΟΥ ΣΕ ΔΙΑΛΥΜΑ ΧΛΩΡΙΟΥΧΟΥ ΝΑΤΡΙΟΥ ΚΑΙ ΠΡΟΣΤΑΣΙΑ ΜΕ ΧΡΩΜΑΤΑ ΚΑΙ ΠΟΛΥΜΕΡΗ
THE PURPOSE OF THIS WORK IS TO DEMONSTRATE THROUGH EXPERIMENTS, THE DIFFUSION OF IRON IONS EMERGING FROM STEEL SPECIMENS THROUGH CORROSION PREVENTING COATINGS. A SOLUTION OF SODIUM CHLORIDE IN WATER WAS USED AS CORROSIVE ENVIRONMENT.
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ΕΦΑΡΜΟΓΗ ΤΩΝ ΑΡΧΩΝ ΜΕΤΑΦΟΡΑΣ ΜΑΖΑΣ ΚΑΙ ΘΕΡΜΟΤΗΤΑΣ ΣΤΗΝ ΞΗΡΑΝΣΗ ΤΡΟΦΙΜΩΝ
A MATHEMATICAL MODEL FOR THE DRYING OF FOOD MATERIALS WAS DEVELOPED, WHICH TAKES SHRINKAGE INTO ACCOUNT AS A FUNDAMENTAL PART OF THE DRYING OPERATION. THE THERMOPHYSICAL PROPERTIES OF RAISINS AND THE HEAT AND MASS TRANSFER COEFFICIENTS, REQUIRED FOR THE SOLUTION, WERE MEASURED EXPERIMENTALLY FOR …
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ΜΕΛΕΤΗ ΤΗΣ ΕΠΙΔΡΑΣΗΣ ΟΞΕΙΔΙΩΝ ΣΤΟΙΧΕΙΩΝ ΜΕΤΑΠΤΩΣΕΩΣ ΣΤΙΣ ΧΗΜΙΚΕΣ ΚΑΙ ΦΥΣΙΚΟΜΗΧΑΝΙΚΕΣ ΙΔΙΟΤΗΤΕΣ ΤΟΥ ΚΛΙΝΚΕΡ
SUBJECT OF THE PRESENT THESIS IS THE INFLUENCE OF MOO3, NB2OR, WO3, AND ZRO2 ONTHE PROPERTIES OF CLINKER AND CEMENT. THE EFFECT OF THE PREVIOUS OXIDES ON THEPROCESSES OF RAW MATERIAL SINZERING AND CEMENT HYDRAMON WAS STUDIED BY MEANS OF DIFFERENTIAL SCANNING CALORIMETRY. X-RAY DIFFRACTION OPTICAL …
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ΑΠΟΜΟΝΩΣΗ ΚΑΙ ΑΝΑΛΥΣΗ ΚΑΡΟΤΕΝΟΕΙΔΩΝ ΤΟΥ ΦΟΙΝΙΚΕΛΑΙΟΥ ΜΕ ΥΓΡΗ ΧΡΩΜΑΤΟΓΡΑΦΙΑ
SUBJECT OF THE THESIS IS THE DEVELOPMENT OF A NEW METHOD FOR THE ISOLATION OF PALM OIL CAROTENOIDS WITHOUT ANY DEGRADATION OF THE OIL'S QUALITY. THE PROPOSED METHOD IS BASED ON THE PREPARATIVE LIQUID CHROMATOGRAPHY. THE EFFECT OF THE FEED THROUGHPUT, THE DIAMETER OF THE COLUMN, THE SOLVENT FLOW AS …
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ΠΕΙΡΑΜΑΤΙΚΗ ΚΑΙ ΤΕΧΝΟΟΙΚΟΝΟΜΙΚΗ ΑΞΙΟΛΟΓΗΣΗ ΣΥΣΤΗΜΑΤΩΝ ΠΟΥ ΑΞΙΟΠΟΙΟΥΝ ΕΝΕΡΓΕΙΑΚΑΚΥΤΤΑΡΙΝΟΥΧΑ ΥΛΙΚΑ ΠΡΟΣ ΑΙΘΑΝΟΛΗ. ΣΥΝΘΕΣΗ ΚΑΙ ΑΡΙΣΤΟΠΟΙ...
HYDROLYSIS IS THE "HEART" OF THE TOTAL PROCESS AFFECTING EVERY NEXT STAGE, AND REQUIRING SPECIFIC AND HIGH COST PRETREATMENTS DURING THE PREVIOUS STEPS. FOR ASUCCESSFUL SOLUTION OF AN HYDROLYSIS, SYSTEM THE NUMBER OF POSSIBLE COMBINATION (CATALYST, REACTOR TYPE, EQUIPMENT, TEMPERATURE, PRESSURE, …
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ΠΑΡΑΓΩΓΗ ΠΟΛΥΜΕΡΩΝ ΕΔΑΦΟΒΕΛΤΙΩΤΙΚΩΝ ΚΑΙ ΓΕΩΡΓΙΚΕΣ ΕΦΑΡΜΟΓΕΣ
IN THIS STUDY WE HAVE INVESTIGATED THE POSSIBILITY OF THE PRODUCTION OF MODIFIED POLYSTYRENE POLYMERS, AS WELL AS THEIR APPLICATION FOR THE IMPROVEMENT OF SOIL STRUCTURE AND THE INCREASE OF CROP YIELD (SOIL CONDITIONERS, S.C.). THEIR EFFECT IN THE MICROBIAL POPULATION OF THE SOIL (ESPECIALLY IN THE …
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ΜΕΛΕΤΗ ΠΡΟΚΑΤΕΡΓΑΣΙΩΝ ΓΙΑ ΤΗ ΒΕΛΤΙΩΣΗ ΤΗΣ ΟΞΙΝΗΣ ΥΔΡΟΛΥΣΗΣ ΚΥΤΤΑΡΙΝΟΥΧΩΝ ΥΛΙΚΩΝ
IN THE PRESENT THESIS A STUDY OF THE ACID HYDROLYSIS OF PRETREATED AS WELL AS NOT PRETREATED CELLULOSIC MATERIALS TOOK PLACE, WITH DEVELOPMENT AND PROOF OF A NEW MODEL OF ACID HYDROLYSIS AND THE USE OF IT FOR THE EVALUATION OF PHYSICAL AND CHEMICAL PRETREATMENTS FOR THE IMPROVEMENT OF AND …
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ΙΣΟΘΕΡΜΟΙ ΡΟΦΗΣΗΣ ΦΥΣΙΚΩΝ ΠΡΟΙΟΝΤΩΝ
THE EXPERIMENTAL DETERMINATION OF SEVERAL DRIED FRUITS NAMELY SULTANA RAISINS, CURRENTS, FIGS, PRUNES AND APRICOTS, WAS DONE FOR TEMPERATURES 15, 30, 45, 60 CFOR AD-DESORPTION, USING THE STANDARD METHOD OF COST-90. SEVERAL EQUATIONS OF THE LITERATURE WERE TESTED REGARDING THEIR ABILITY TO DESCRIBE …
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