نتایج جستجو برای: 300 micrometers
تعداد نتایج: 88762 فیلتر نتایج به سال:
This work aims to increase the interface between anode and electrolyte in solid oxide fuel cells by controlling 3D microstructure with a commercial ink-jet printer. Anode inks suitable for use printer were prepared altering viscosity droplet size. A porous structure that ensures flow path gases was achieved addition of acrylic particles into ink. dense prevents leakage created. The layers produ...
Fast-twitch skeletal muscles are specialized for in vivo motor functions that require high power (mastication and load lifting), high speed (eyelid blink), or a combination of the two (withdrawal reflexes and escape responses). Those functions that rely on high power often involve tetanic stimulation of the effector muscles, resulting in sustained force generation even during tetani that are no...
Most studies have looked at the distribution of well-being or its change over time in terms of income. However, family wealth is also an indicator of well-being, independent of the direct financial income it provides. There are four reasons. First, owner-occupied housing provides services directly to their owner. Second, wealth is a source of consumption, independent of the direct money income ...
Tunable dynamic networks of cellulose nanofibrils (CNFs) are utilized to prepare high-performance polymer gel electrolytes. By swelling an anisotropically dewatered, but never dried, CNF in acidic salt solutions, a highly sparse network is constructed with fraction CNFs as low 0.9%, taking advantage the very high aspect ratio and ultra-thin thickness (micrometers long 2–4 nm thick). These expos...
Notch receptors transmit signals between adjacent cells. Signaling is initiated when ligand binding induces metalloprotease cleavage of Notch within an extracellular negative regulatory region (NRR). We present here the X-ray structure of the human NOTCH2 NRR, which adopts an autoinhibited conformation. Extensive interdomain interactions within the NRR bury the metalloprotease site, showing tha...
Fast-twitch skeletal muscles are specialized for in vivo motor functions that require high power (mastication and load lifting), high speed (eyelid blink), or a combination of the two (withdrawal reflexes and escape responses). Those functions that rely on high power often involve tetanic stimulation of the effector muscles, resulting in sustained force generation even during tetani that are no...
The migration patterns of naive and activated T cells are associated with the expression of distinct sets of chemokine receptors, but the molecular basis for this regulation is unknown. Here we identify Krupple-like factor 2 (KLF2) as a key transcriptional factor needed to prevent naive T cells from expressing inflammatory chemokine receptors and acquiring the migration patterns of activated T ...
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