The using of double heat pipe based heat exchanger (HPHX) in a conventional fully fresh air air-conditioning (AC) system was examined in the present study. The fabricated HPHXs were tested under the actual conditions and the measured data were used to study the performance of the existing AC system (System A) and AC system equipped with the double HPHX (System B) for a yearly operation through ...

in this research corn were planted in 3 densities (8, 12, 16 plant/m2) in two planting patterns (single and double-row) with seven summer weed species, including redroot pigweed, green foxtail, annual bluegrass, common lambsquarter, jimsonweed, black nightshade and johnsongrass were planted. temperature, quality and quantity of light reaching to soil surface were measured and the number of emer...

Shoulder arthroscopy is a promising tool for assessing and treating patients with a rotator cuff tear. Arthroscopic rotator cuff repair with suture anchor fixation such as the single-row, double-row, and suture bridge technique are popular procedures that can provide excellent clinical outcomes. On the other hand, longitudinal midsubstance, U-shape, or L-shape tears may benefit more from a side...

Objective: Shoulder pain and disability are mostly seen following rotator cuff rupture. Arthroscopic repair becomes a gold standard treatment for rupture when conservative fails. Comparing functional results, retear rates reoperation of arthroscopic in terms single-row versus double row techniques is our aim this study. 
 Material Method: Overall, 174 surgery patients were specified into 2...

This research explores the double row layout problem (DRLP) that deals with how to place departments or machines on both sides of a central corridor. This type of layout problem is commonly observed in production and service facilities. Over the last 40 years, researchers have extensively studied a similar problem called the single row layout problem (SRLP) or one dimensional space allocation p...