scholarly journals A FORCED-WARM-AIR CURING SYSTEM FOR BURLEY TOBACCO

1965 ◽  
Vol 45 (4) ◽  
pp. 315-319
Author(s):  
W. A. Scott

A forced-warm-air system to prevent high humidity in Burley tobacco barns was built and tested. The system utilizes a small modified commercial crop dryer and an air-duct system constructed of light plywood and inflatable perforated polythene tubing. It effectively maintained the required humidity in wet weather. Building plans and operating instructions will be published separately.

1974 ◽  
Vol 17 (4) ◽  
pp. 0717-0719
Author(s):  
Wiley H. Henson ◽  
Jr. ◽  
Linus R. Walton ◽  
Joe M. Bunn

2021 ◽  
pp. 121-121
Author(s):  
Xin Zhang ◽  
Yuesheng Fan ◽  
Shuxuan Wei ◽  
Huan Wang ◽  
Jiaxin Zhang ◽  
...  

A semi-empirical formula was recommended to analyze the deposition law of atmospheric particles in pipelines in fresh air systems, where the sizes of particles, inlet velocity, and the air temperature, humidity on the deposition of particulate matters were considered. The results showed when the particle sizes were less than 1.0?m, the deposition rate was decreased from the increased in particle sizes. When the particle sizes were larger than 1.0?m, the deposition rate was increased from the increased in particle sizes. A higher inlet velocity resulted in a greater deposition rate. High humidity or low temperature would also lead to a high deposition rate of dust. The results given in this paper are helpful for optimization of the fresh air system.


Author(s):  
J. R. Ruby

Parotid glands were obtained from five adult (four male and one female) armadillos (Dasypus novemcinctus) which were perfusion-fixed. The glands were located in a position similar to that of most mammals. They extended interiorly to the anterior portion of the submandibular gland.In the light microscope, it was noted that the acini were relatively small and stained strongly positive with the periodic acid-Schiff (PAS) and alcian blue techniques, confirming the earlier results of Shackleford (1). Based on these qualities and other structural criteria, these cells have been classified as seromucous (2). The duct system was well developed. There were numerous intercalated ducts and intralobular striated ducts. The striated duct cells contained large amounts of PAS-positive substance.Thin sections revealed that the acinar cells were pyramidal in shape and contained a basally placed, slightly flattened nucleus (Fig. 1). The rough endoplasmic reticulum was also at the base of the cell.


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