نتایج جستجو برای: low temperature process
تعداد نتایج: 2690650 فیلتر نتایج به سال:
In this study, Bio-based carbon nanotubes (CNTs) have received considerable research attention due to their comparative advantages of high level stability, simplistic use, low toxicity and overall environmental friendliness. New potentials for improvement in heat transfer applications are presented due to their high aspect ratio, high thermal conductivity and special surface area. Phonons have ...
A refrigeration cycle is a chain of various pieces of equipment including compressors, condensers, evaporators, and expansion devices each of which takes on a particular thermodynamic process duty in the cycle that eventually results in the production of the required refrigeration. The results of optimized mixed refrigerant cycles (MRCs) in Part I show that the configuration of MRC is an eff...
In low-temperature processes, heat rejected from separation columns is removed by refrigeration systems to heat sinks (reboilers & pre-heaters), process streams, other <span style="font-size: 10pt; col...
The modern communication technologies require the use of CMOS monolithic oscillators because of their small manufacturing costs and high integration capabilities. The disadvantages of CMOS ring oscillators can be compensated through the use of a VCO architecture. The control voltage of this VCO should compensate for the frequency drift due to process and temperature.
Voltage references are crucial part of every circuit, providing a fixed voltage regardless of environmental parameters and device loading. Among several approaches proposed for designing voltage references, bandgap voltage references are the most common, but the bandgap voltage reference is bipolar in nature and does not show good stability when the supply voltage is small. Thus according to th...
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