الإثنين , نوفمبر 18 2019
الرئيسية / أرشيف الوسم : THE

أرشيف الوسم : THE

UPGRADING THE UTILIZATION OF BLACK LIQUORWASTE-BASED RS PULPIN PROCESS IN PRODUCTION HIGH PERFORMANCE WOOD ADHESIVE

THIS INVENTION DEALING WITH THE USE OF A NEW APPROACH TO UPGRADING THE UTILIZATION OF BLACK LIQUOR AS A WASTE FROM PULPING PROCESS OF RICE STRAW, IN PREPARATION OF HIGH PERFORMANCE WOOD ADHESIVE. IN THIS RESPECT THE EVALUATION WAS PERFORMED ON CHARACTERIZING THE ADHESIVES AND PARTICLE-BOARD PRODUCED, BOTH ENVIRONMENTAL AND BOARD QUALITY. THE PROMISING RESULTS FROM USING BLACK LIQUOR- UF …

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NEW STRETCHER FRAME TO PREVENT THE LOOSENING OF OIL PAINTINGS AND AVOID THE DEFECTS OF TRADITIONAL STRETCHER FRAME

THE NEW STRETCHER FRAME FOR CANVAS OIL PAINTINGS IS MADE OF PLEXIGLASS, WHICH IS A TRANSPARENT MATERIAL. THIS FRAME CONSISTS OF FOUR SIDES WITH BEVELED INNER EDGES AND MITERED CORNERS WITH SLOT AND TENON JOINTS THAT CAN BE EXPANDED BY USING A CONTROL UNIT CONTAINING EIGHT COGWHEELS. THE SIDES CAN BE MOVED EASILY BY TURNING THE COGWHEELS, WHICH AIDS THE …

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PREPARATION OF GEL TO BUILD BONE WITH MINIMAL SURGICAL INTERVENTION FROM POLYMER / PHOSPHATE WITH THE CAPABILITY TO EXTRUSION

THE BIOMIMETIC AS WELL AS INSPIRED TECHNIQUES FOR THE SYNTHESIS AND ACTIVATION OF BIOMATERIALS ARE VERY UNIQUE RESULTING IN MATERIALS IN THE NANO-RANGE AND NANO-SHAPES WHICH CANNOT BE REACHED BY OTHER CHEMICAL METHODS. THE BIOMIMETIC TECHNIQUE INVOLVES THE DEPOSITION OF IONS IN A MANNER SIMILAR TO NATURAL WAY ESPECIALLY IN THE PRESENCE OF CERTAIN ACTIVE SITES. THE BIOINSPIRED ONE IS …

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THE VAGINAL MANIPULATOR

BURCH COLPOSUSPENSION IS THE CLASSIC OPERATION FOR STRESS INCONTINENCE IN WOMEN . IN THIS OPERATION, THE SURGEON PUTS THE FINGERS OF THE LEFT HAND INTO THE VAGINA TO LIFT IT UPWARDS TO TAKE STITCHES BY THE RIGHT HAND SO THAT THE BASE OF THE BLADDER IS REPOSITIONED . AND THUS, CONTROL OF URINE IS RESTORED. THIS OPERATION IS DIFFICULT, EXHAUSTING …

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THE TEACHER’S MAGNETIC BAG

IT,S AN EDUCATIONAL MEANS THAT CONSIST OF: 1- A BOARD WITH SHEET IRON SURFACE SUITABLE FOR THE ADHESION OF THE MAGNETS AND ALSO FOR THE ERITTING BY ORDINARY CHAIK ON THE OTHER SURFACE . 2- WOODEN OR PLASTIC FIGURES THAT IS COMPLETELY IDENTICAL TO THE LESSON WITH SAMALLER DRAWING MEASUREMENT .IN THE REAR OF IT A PIECE OF MAGNET SUITABLE …

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PRODUCTION AND APPLICATION OF ENVIRONMENT-FRIENDLY BIOPOLYMERS FOR THE PROTECTION OF THE ENVIRONMENT FROM TOXIC FORMALDEHYDE OF WOOD-PRODUCT ADHESIVE

THE INVENTION PROVIDES A NEW ADHESIVE SYSTEM OF WOOD PRODUCTS MADE FROM INCORPORATING BIOPOLYMERS WITH AN AMINO RESIN (UREA FORMALDEHYDE). THE BIOPOLYMERS HAVE IMPROVED REDUCTION OF FREE FORMALDEHYDE OF ADHESIVE SYSTEM. THE ENVIRONMENTAL PERFORMANCE OF THE PREPARED LIGNOCELLULOSIC COMPOSITES WERE EVALUATED TOWARDS THE EFFECT OF INVESTIGATED BIOPOLYMERS ON THE PERCENTAGE OF FREE FORMALDEHYDE AND THE ADHESION PROPERTIES (MECHANICAL AND PHYSICAL …

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