Excised rat lungs were ventilated with air under three conditions: (a) while suspendend by the trachea and surrounded by air, (b) while inverted and surrounded by saline, and (c)_while upright and surrounded by saline. The distribution of transpulmonary pressures over which gas trapping ...
20. Sepals oblong or oblong-ovate, base obtuse or shallowly dentate, apex obtuse, basal auricles 2-3 mm. 萼片长圆形或长圆状卵形,基部钝或具浅牙齿,先端钝的,基部耳2-3毫米。 apex 词典解释 1.(机构、体系的)最高地位,最高职位 The apex of an organization or system is the highest and most ...
Fill in the blanks. The negative pleural pressure at the apex of the lung is normally ___ than at the base ___. The Lungs: The lungs are a pair of spongy organs that are used to perform gaseous exchange. They begin functioning shortly after birt...
The Model 2270 Lung Counter provides accurate and reliable measurements of uranium, plutonium and americium in the lungs. ACT-LC™ HPGe Detector for Actinide Lung and Whole Body Counters The ACT-LC Ge Detector was designed specifically for the detectio...
up into the palace of the lungs with its rooms open to the gardens of wind, screens dancing in and out with each breath. There they caught the demon, so easily, and carried it with them out through the gardens to the path that became a lane that became a road that joined another roa...
Castello watched Julian for a second, then stepped towards the edge of the cliff and gazed down at the jungle. Hardly a hundred meters from the base of the cliff, the blue lights of his shuttle flickered through the windblown leaves. “I could have killed them,” he said. “Some of th...
The lungs were dissected from the slices, dried, weighed, and assayed for radioactivity. Deposition per gram of lung varied considerably between lobes, but all groups overall had more in the apex and less in the base. To investigate the contribution of airway aerodynamics, we repeated the ...
He continued out onto the main, gaily lit street. He was taking a risk by coming here to one of the last great kami cities, but there was a place he needed to go. The bright lights in the street cast the space above into shadow, and if he didn’t look too closely at the blackne...
and tourists riding the tether to Earth. She collided with the wall of the platform and it absorbed her, dispersing her momentum into a shallow wave across the smart metal. The floor of the corridor gripped the feet of her skinsuit as she walked toward the elevator shaft. Few satellites oth...
A waiter materialized at Josephine’s elbow, depositing a plate of crepes. Josephine leaned over them, severing the end of one with her fork and popping it into her mouth. She chewed thoughtfully and then dabbed her lips with a linen serviette. “Just because one conductor might not be wow...