نتایج جستجو برای: channel thickness
تعداد نتایج: 330602 فیلتر نتایج به سال:
1. Abstract We have successfully engineered n-type and p-type metal electrodes with the correct work functions on high-K gate dielectrics for high-performance CMOS applications. The resulting metal gate/high-K dielectric stacks have i) equivalent oxide thickness (EOT) of 1.0nm with negligible gate oxide leakage, ii) desirable transistor threshold voltages for n-and p-channel MOSFETs, and iii) t...
An essential requirement for an operating PEM fuel cell is providing proper water content in the membrane. To avoid water flooding an appropriate water balance is required. Here, an analytic model of a planar membrane humidifier for PEM fuel cell is proposed where the effect of dimensional parameters includes membrane thickness, membrane area and channel hydraulic diameter are investigated. A N...
A 20-day-old girl presented with increasing projectile vomiting over a period of one week and progressive weight loss. The diagnosis of hypertrophic pyloric stenosis (HPS) was made by sonography (Length of pyloric channel: 22 mm; muscle thickness: 5 mm). Open standard pyloromyotomy was performed. The postoperative course uneventful. On the 50th postoperative day, the girl was readmitted with pr...
an essential requirement for an operating pem fuel cell is providing proper water content in the membrane. to avoid water flooding an appropriate water balance is required. here, an analytic model of a planar membrane humidifier for pem fuel cell is proposed where the effect of dimensional parameters includes membrane thickness, membrane area and channel hydraulic diameter are investigated. a n...
The paper considers the visco-elastic response of ice cover in a channel under an external load moving with constant speed along center line. has rectangular cross-section finite depth and width. fluid is inviscid incompressible its motion potential. covered by thin sheet frozen to walls. thickness varies linearly symmetrically across channel, being lowest at highest Ice deflections strains are...
The flow characteristics of aqueous foams were studied in a thin flow channel and a round pipe instrumented for pressure gradient and flow rate measurements. The quality of the foam was varied by controlling the volumetric flow rate of liquid and gas, and different flow types were identified and charted. Uniform foams move as a rigid body lubricated by water generated by breaking foam at the wa...
The periodic flexural-gravity waves propagating along a frozen channel are investigated. has rectangular cross section. fluid in the is inviscid, incompressible and covered with ice. ice modeled by thin elastic plate whose thickness varies linearly. Two cases have been considered: symmetrically across channel, being smallest at center of largest walls; from value one wall to another wall. 2D pr...
Silting in river is a dynamic process, so it needs to regular desilting. At present, underwater siltation monitoring still its early days and based on experience. This paper puts forward the criterion of discrimination, which flood discharge section decreased by 20%. It used method steady uniform flow open rectangular trapezoidal channel for calculation. The results show that reference values d...
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