The capability of a pneumatic conveying system for conveying bulk particulate materials depends mainly upon five parameters: pipe bore, conveying distance, pressure available, conveying air velocity, and material properties.
Try to create some distance between you and the bear––distance is your ally while you defend yourself.
Denis McDonough is cut from the cloth from which all of the finest Chiefs of Staff are cut -- he is a bland white guy who radiates "crushing, howling bore" from a distance of seventy-five feet, and he begins by proving himself to be one of those people who laughs a little to hard at your tiresome joke.
Images (32 × 24° visual angle) were back-projected via a 45° angled mirror on a translucent screen, inside the scanner bore at a distance of 60 cm from the monkey's eyes.
Visual stimuli were projected using an XGA video projector (1024 × 768, 60 Hz, 10 15 pixels per degree of visual angle) whose standard lens had been replaced with a 7.38 12.3″ focal length XtraBright Zoom lens (Buhl Optical, USA) in order to achieve small high-resolution images on a screen inside the bore (at a distance of 3 4 m).
In the membrane fabrication process, the studied parameters were the polymer concentration in the inorganic suspension and its flow rate, the gap distance, the bore liquid, the outer coagulant composition and their flow rates.
To help in this process several series of design curves are included to illustrate the potential influence of the major system variables such as conveying distance, pipeline bore, and air supply pressure, as well as the problematical issue of material type.
If a positive displacement blower is used in combination with a long distance, small bore pipeline, for the suspension flow of a material, it is quite possible that the entire pressure drop would be utilized in blowing the air through the pipeline and that no material would be conveyed.
Bovine collagen type I (Sigma-Aldrich, Taufkirchen, Germany) was dissolved in hexafluoroisopropanol (Sigma-Aldrich, Taufkirchen, Germany) at a concentration of 5% w/v (needle bore size: 0,6 mm, distance between needle tip and counter electrode: 12 cm).
When our co-workers ask us about our weekend, we talk about splits and paces and distances that bore them.
