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Modification of water application uniformity among closed circuit trickle irrigation systems
Trickle Irrigation Closed Circuits Manifold Lateral Flow Rate Uniformity
2013/3/5
The aim of this research was determine the ma- ximum application uniformity of closed circuit trickle irrigation systems designs. Laboratory tests carried out for Two types of closed circuits: a) One ...
Pulmonary atelectasis formation during diving with closed-circuit oxygen breathing apparatus
human rebreather oxygen Pulmonary atelectasis immersion
2009/7/15
The physiological effects of diving with two types of closed-circuit oxygen breathing apparatus were investigated in 4 divers. In one apparatus the breathing bag was mounted on the dorsum and in the o...
Central nervous system oxygen toxicity in closed circuit scuba divers II
human oxygen toxicity Central nervous system
2009/7/14
Central nervous system oxygen toxicity is currently the limiting factor in underwater swimming/diving operations using closed-circuit oxygen equipment. A dive series was conducted at the Navy Experime...
Diver respiratory responses to a tunable closed-circuit breathing apparatus
dry underwater breathing apparatus respiratory closed circuit rebreather
2009/6/8
Respiratory impedance of closed-circuit underwater breathing apparatus (UBA) is comprised of resistive, elastic, and inertial elements in series. Impedance is at a minimum when a UBA operates at its r...
Simulating respiratory loads and tuning of closed-circuit underwater breathing apparatus
model human underwater breathing apparatus respiratory load rebreather closed circuit
2009/6/8
An experimental apparatus for simulating respiratory loads in closed-circuit underwater breathing systems comprises a partly submerged vertical tube having a dual path exit on the submerged end of the...
Hyperoxic myopia in a closed-circuit mixed-gas scuba diver
oxygen toxicity pulmonary nitrox Hyperoxic myopia eye rebreather case report
2009/6/8
A myopic shift occurred in a closed-circuit mixed-gas scuba diver using a 1.3 atm abs constant partial pressure of oxygen in a nitrogen-oxygen mix. This change was noticed after approximately 18 days ...
Arterial gas embolism in a diver using a closed-circuit oxygen rebreathing diving apparatus
embolism AGE case report rebreather
2009/6/5
A U.S. Marine Corps Reconnaissance diver suffered arterial gas embolism (AGE) while using a closed-circuit oxygen rebreathing scuba apparatus; there are few, if any, reported occurrences of AGE due to...
Closed-circuit oxygen diving in the U.S. Navy
Diving Equipment Design History 20th Century human
2009/6/4
The pioneers of modern closed-circuit oxygen attack swimming were the Italians. In the early days of World War Two, the Italian Navy found itself lacking the surface warfare power of other nations. In...
Choosing Semi-Closed and Closed Circuit Equipment for Scientific Diving
DIVER EQUIPMENT closed circuit selection
2009/5/6
We discuss the various types of contemporary closed circuit diving equipment available to today's scientific diver; examine the education required for the proper choice and type of equipment needed fo...
PRISM Topaz Mixed-Gas Closed Circuit System：Design and Development For Recreational, Scientific, and Commercial Users
rebreather Scientific Diving
2009/5/6
To effectively maximize underwater durations, many in the scientific, recreational and technical market are turning their attention to the field of closed circuit diving systems. Extended durations, ...
Closed-Circuit Rebreathers in the Forensic Study of the Rouse Simmons Shipwreck
rebreather Closed Circuit Rouse Simmons wooden schooner shipwreck
2009/5/6
The Rouse Simmons is a three mast wooden schooner that sank in 165 ffw (50 mfw) in 1912 during a winter storm near the Wisconsin shoreline of Lake Michigan. The wreck is largely intact and was survey...