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الرئيسية إنشاء سيرة ذاتية دورات تدريبية الأختبارات
قناة منصة معارف علي التليجرام الاقوي عربيا .. اشترك الآن

كورس تعلم كيمياء للمبتدئيين شرح انجليزى

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  • عدد الدورس : 46
  • الإعتماد : غير معتمدة
إخفاء جميع الإعلانات
إخفاء جميع الإعلانات

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شهادة معتمدة بعد دراسة الدورة التدريبية تعريف الكيمياء تُعرف الكيمياء على أنّها العلم الذي يختص بدراسة المادة (العناصر والمركبات) وخصائصها، وتكوينها، وبنيتها، وتحوّلاتها، والطاقة التي يتمّ انبعاثها خلال هذه العمليات والتفاعلات الكيميائية، ويختصّ هذا العلم بدراسة خواصّ الذرات والقوانين التي تحكم تفاعلها، وكيفية استخدام هذه الخصائص في تحقيق أغراض محددة، كما تتكوّن كلّ مادة في علم الكيمياء، سواء كانت طبيعية أم منتجة صناعياً من واحد أو أكثر من الذرات التي تمّ تحديدها كعناصر، حيث تشكّل هذه الذرات أساس المواد الكيميائية على الرغم من أنّها تتكون من جٌسيمات أولية ويعرف التفاعل الكيميائيّ بأنّه تغيير التركيب الكيميائيّ، وإعادة ترتيب الذرات المكوّنة لمادة أو أكثر من المواد لإنتاج مواد مختلفة كمنتجات جديدةالعلوم

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Request history8.1.2PHP Version1.02sRequest Duration4MBMemory UsageGET course/{id}/{title}Route
  • warninglog[07:45:31] LOG.warning: html_entity_decode(): Passing null to parameter #1 ($string) of type string ...
  • warninglog[07:45:31] LOG.warning: html_entity_decode(): Passing null to parameter #1 ($string) of type string ...
  • Booting (774ms)time
  • Application (251ms)time
  • 1 x Booting (75.54%)
    774ms
    1 x Application (24.46%)
    251ms
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    • ads.course_playlist_titlecourse_playlist_title.blade.php#?blade
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    • ajax.review_userreview_user.blade.php#?blade
    • courses.new_course_designnew_course_design.blade.php#?blade
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    • beta.partials.home.sections.courses.coursecourse.blade.php#?blade
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    • beta.partials.home.sections.courses.coursecourse.blade.php#?blade
    • beta.partials.home.sections.courses.coursecourse.blade.php#?blade
    • beta.partials.home.sections.courses.coursecourse.blade.php#?blade
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      • 18. vendor/laravel/framework/src/Illuminate/Routing/Middleware/SubstituteBindings.php:50
      • 19. vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:183
      • 20. app/Http/Middleware/LoginUsersFromApp.php:30
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      • 22. vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43
      • 23. vendor/laravel/framework/src/Illuminate/Routing/Route.php:260
      • 24. vendor/laravel/framework/src/Illuminate/Routing/Route.php:205
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      430μsstagingcourseController.php#40
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      • 15. app/Http/Controllers/courseController.php:40
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      • 22. vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43
      • 23. vendor/laravel/framework/src/Illuminate/Routing/Route.php:260
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      180μsstagingcourseController.php#44
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      • 16. app/Http/Controllers/courseController.php:44
      • 17. vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
      • 18. vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43
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      • 20. vendor/laravel/framework/src/Illuminate/Routing/Route.php:205
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      • 17. vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43
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      • 19. vendor/laravel/framework/src/Illuminate/Routing/Route.php:205
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      • 17. vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43
      • 18. vendor/laravel/framework/src/Illuminate/Routing/Route.php:260
      • 19. vendor/laravel/framework/src/Illuminate/Routing/Route.php:205
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      • 14. app/Http/Controllers/courseController.php:77
      • 15. vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
      • 16. vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43
      • 17. vendor/laravel/framework/src/Illuminate/Routing/Route.php:260
      • 18. vendor/laravel/framework/src/Illuminate/Routing/Route.php:205
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      370μsstagingcourseController.php#81
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      • 14. app/Http/Controllers/courseController.php:81
      • 15. vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
      • 16. vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43
      • 17. vendor/laravel/framework/src/Illuminate/Routing/Route.php:260
      • 18. vendor/laravel/framework/src/Illuminate/Routing/Route.php:205
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      690μsstagingcourseController.php#83
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      • 14. app/Http/Controllers/courseController.php:83
      • 15. vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
      • 16. vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43
      • 17. vendor/laravel/framework/src/Illuminate/Routing/Route.php:260
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      • 16. app/Http/Controllers/courseController.php:88
      • 17. vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
      • 18. vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43
      • 19. vendor/laravel/framework/src/Illuminate/Routing/Route.php:260
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      22.25msstagingcourseController.php#115
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      • 15. app/Http/Controllers/courseController.php:115
      • 16. vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
      • 17. vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43
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      • 19. vendor/laravel/framework/src/Illuminate/Routing/Route.php:205
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      430μsstaginghelper.php#420
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      • 16. app/helpers/helper.php:420
      • 18. vendor/laravel/framework/src/Illuminate/Cache/CacheManager.php:429
      • 20. app/helpers/helper.php:421
      • 23. vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:124
      • 24. vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php:58
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      • 15. app/helpers/helper.php:1421
      • 18. vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:124
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      • 20. vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:72
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