مجلة جامعة تشرين للدراسات والبحوث العلمية  _  سلسلة العلوم الهندسية المجلد (29) العدد (1) 2007 

Tishreen University Journal for Studies and Scientific  Research- Engineering Sciences Series Vol.  (29) No. (1) 2007

 

 

CONTENTS

 

- Leadoff

Editor-in-chief

 

- Valuation of the Accuracy of the Settlements Values during Determination of the Vertical Deformation

 

Dr. Ddib M. Al-Lamouh         

1

- Evaluation of the Accuracy of the Shifts Vectors during Determination of the Horizontal Deformations

                                                 

Dr. Adib M. Al-Kamouh

 

2

- Seasonal Rainfall Changes in Syria

 

Dr. Ghatfan Ammar

 

3

- A High Precision Digital Differential Analyzer for Circular  Interpolation

 

Dr. Ibrahim Chami

 

4

- JEFT Transistors Implemented in Computer Technique

 

 

Dr. Jabr Hanna

Dr. Mouin Younes

5

- Intermodulation Distortion Effects on the Performance of the SCM AM/VSB CATV Coherent Detection System

 

Dr. Mikhaiel Salim Makhoul

 

6

- Dynamic Range of the Am/Vsb Catv Linearized System

 

Dr. Mikhaiel Salim Makhoul

 

7

- Controlling nitrogen oxides and carbon Dioxide from staged Combustion Chamber Using Fuzzy control logic

 

Dr. habib Mahmoud 

Dr. Mohamad Dayob

 

8

- Friction Coefficient Effect of Some Seeds of Local Crops

on Design of Some Agricultural Machinery

 

 

Dr.  Rabie Ahmad Habib                                                                      Dr. Muhammad Nour

Al-dean Al-Tenbi

 

9

- Increasing Noise Cancellation and Noise Suppression

 

 

Dr. Samir Issa

 

10

- Security of Digital Signature Schemes

 

 

                                                                                         

Dr. Tajedin Jarkas 

Dr. Adnan Matarmawi                   

Ghassan Nasser

 

11

- Securing the Demand for Electrical Energy Through the Optimal Management of the Electrical Loads

 

Dr. George Isber

Dr. Omar Hamandosh

Ahmad Ali Jarbouh

 

12

- Production of Ductile Iron Using Ferrosilico Magnesium Alloys

 

Dr. Ali Hatra                     Dr. Samir Akta

Ali Jded         

 

13

- The Effect of Gas Carburizing Time on Mechanical Properties of Low Carbon Steel

 

 

Dr. Nabil Makdissi

Dr. Khalil Azimeh

Maan Moualla

 

14

- Improving the Properties of Low Carbon Steel Using Dual Treatment (Gas Carburizing Plus Pack Chromizing)

 

                                                                                                       

Dr. Nabil Makdissi

Dr. Khalil Azimeh

Maan Moualla

15

- Methods of Determination of Characteristics for Marine Diesel Engines by Variation of External Working Conditions

 

Dr. Marouf Ahmaad

Hussein S. Yousef

 

16