Q.Ra is the arithmetical mean roughness of a surface. Does Ra have units associated with it (i.e., inches, microns, etc.), or is it a unitless number? David Arnold Plastic Mfg. - Minden, Nebraska 2000 A.David: Surface roughness values, including Ra need a dimension to be interpreted....
Just because wool production can be sustainable, however, doesn’t mean that it always is. In fact, the vast majority of wool production is either inhumane, environmentally degrading, or both. In search of maximum profits, wool producers everywhere disregard the effects that their industry has on...
The consequence of all these sperm alterations is their inability to travel all the way to the egg in the fallopian tube. in the event the sperm does reach the egg, these defects can mean problems in fertilization taking place. Sperm alterations causing male infertility The alterations in sperma...
2. Based on removal testing of PM 2.5 (0.1 - 2.5 microns) and germs (H1N1, E.coli) up to 90min in a 30m3 room. Performance may vary. Not all Blueair air purifiers have been tested against SARS-CoV-2, and Blueair does not claim to kill/prevent transmission of COVID-19. * Dr....
microns – diffusive coupling is excellent. In this scenario, perfusion is expected to keep pHe close to 7.4, even if the metabolic rate is very high (e.g. as is the case in the myocardium). The situation can be radically different in tumours that have abnormal vascular penetration. Here,...
However, this does not mean that the effects of work on bionic models will take a long time. In the first place, the creation of fully functional tissue models can significantly revolutionize the pharmaceutical market [123]. It is worth noting that currently, in order to introduce one ...