A subharmonically injection-locked oscillator (ILO) MMIC for local oscillators, synthesizers, and phased-array antennas is proposed. An ultrawide-hand four-port active combineddivider in the oscillator feedback loop provides an FEToriented circuit topology extremely suitable for single-chip integration, and performs subharmonic injection locking at various subharmonic factors, l/n. Two types of...

Continuous epidural analgesia has been used for decades to treat acute herpes zoster pain and to prevent postherpetic neuralgia. However, many technical problems can arise during chronic treatment with epidural medications. These complications include catheter dislodgement, infection, injection pain, leakage, and occlusion. Epidural catheter placement utilizing subcutaneous injection port impla...

Hydrogen induction strategy in ICE plays a vital role in increasing the power density and prohibiting combustion anomalies. This paper inspects the performance characteristics of cylinder hydrogen fueled engine with port injection feeding strategy (PIH2ICE). To that end, a one dimensional gas dynamic model has been built to represent the flow and heat transfer in the components of the engine. T...

Gasoline compression ignition in diesel engines has been proposed order to meet increasingly stringent emission regulations without sacrificing efficiency. In this study, a six-cylinder heavy-duty engine was operated mixing controlled gasoline mode investigate the influence of fuels and injection strategies on combustion characteristics, emissions, thermal efficiencies. Fuels, including ethanol...

this paper is the representation of the computational and experimental methods of a new injector nozzle for a sequential port injection cng engine. the objective of this study was to review the previous research in the development of gaseous fuel injector for port injection cng engine converted from diesel engine. next, a simulation of the fuel flow of the new injector nozzle was made using flu...

AIM Laparoscopic adjustable gastric banding (LAGB) is a widely performed surgical procedure for the treatment of morbid obesity. Late complications mainly originate from either the injection port or the gastric band. Complications from the tube and band together are also described. CASE REPORT We here report a case of adjustable gastric band migrated subserosally into the stomach with its who...

Recently developed technologies have enabled multi-well measurement of O(2) consumption, facilitating the rate of mitochondrial research, particularly regarding the mechanism of action of drugs and proteins that modulate metabolism. Among these technologies, the Seahorse XF24 Analyzer was designed for use with intact cells attached in a monolayer to a multi-well tissue culture plate. In order t...

Abbreviations: aBDC, after bottomdead center; aTDC, aft bottomdead center; bTDC, before top dead center; CA50, cra fraction reaches to 50%; CI, compression ignition; COVime indicated mean effective pressure; DI, direct injection; DIS DOI, duration of injection (first DOI1, second DOI2); EGR, homogenous charge compression ignition; IMEP, indicat injection ratio; MPRR, maximum pressure rise rate;...

The traditional approach for analysis of aerosol organics is to extract aerosol materials collected on filter substrates with organic solvents followed by solvent evaporation and analytical separation and detection. This approach has the weaknesses of being labor intensive and being prone to contamination from the extracting solvents. We describe here an alternative approach for the analysis of...

Rationale: Laparoscopic adrenalectomy is currently the standard of care for adrenal lesion. Minimal invasive laparoscopic surgery such as laparoendoscopic single site surgery (LESS) and natural orifice transluminal endoscopic surgery (NOTES) have been developed to improve cosmetic outcomes and reduce postoperative pain. However, there are still some problems related to instruments and port limi...