The composite material flywheel rotor of a energy storage system (FESS) has low natural frequency. When the suffers from noise interference, magnetic bearing generates force with same frequency as and causes vibration to occur. Thus, it is necessary suppress suspended (MS) FESS. LMS adaptive notch filter generally adopted for suppression. suppression performance different when insertion positio...

Middle meatal adhesions are considered the most common complication of Functional Endoscopic Sinus Surgery (FESS), ranging in incidence from 1 to 36%. Consequently the recurrence and persistence of symptoms increase, resulting in revision surgery in up to 25% of the cases. Although different methods have been attempted to prevent adhesions, each procedure involves some disadvantages and no stan...

IMPORTANCE The counterintuitive decrease of exhaled nitric oxide (NO) levels in a severe inflammatory disorder like cystic fibrosis (CF) is only scarcely understood. Because NO is important in a variety of regulatory processes in the lung, including host defense, inflammation, and bronchomotor control, it is necessary to search for clarifying mechanisms. OBJECTIVES To explore whether fraction...

Functional endoscopic sinus surgery' (FESS) is a common otolaryngologic procedure, with over 250,000 operations performed annually. Computerized surgical navigation systems are available to assist the rhinologic surgeon in the complex dissection required for FESS. Our objective was to determine whether this system provided quantifiable benefits in FESS. We retrospectively reviewed 203 patients ...

Thanks to the unique advantages such as long life cycles, high power density, minimal environmental impact, and quality fast response voltage stability, flywheel/kinetic energy storage system (FESS) is gaining attention recently. There noticeable progress in FESS, especially utility, large-scale deployment for electrical grid, renewable applications. This paper gives a review of recent developm...

To extend the operating speed range of a conventional configuration of FESS (flywheel energy storage system), an additional DC-DC boost converter is required between the machine and grid side converters to regulate the output voltage. This paper presents a new FESS based on three-phase boost inverter topology. The proposed system facilitates voltage boost capability directly in a single-stage. ...

Functional Endoscopic Sinus Surgery (FESS) is a highly sophisticated type of surgery, which has revolutionized the surgical management of chronic sinus diseases. In the ophthalmic field, FESS plays a crucial role in the management of a few conditions, but not without risks. Ophthalmic complications associated with FESS are well documented. They mainly occur due to the shared common anatomic are...

A 41-year-old female with a history of uterine cancer and Celiac and Raynaud's Disease presented to our institution with frequent migraines and nasal congestion. She underwent functional endoscopic sinus surgery (FESS) and experienced acute unilateral vision loss postoperatively. Rapid recognition of the etiology and effective treatment are paramount given the permanent and irreversible vision ...

The fluctuation of active power output of wind farm has many negative impacts on large-scale wind power integration into power grid. In this paper, flywheel energy storage system (FESS) was connected to AC side of the doubly-fed induction generator (DFIG) wind farm to realize smooth control of wind power output. Based on improved wind power prediction algorithm and wind speed-power curve modeli...

BACKGROUND Functional endoscopic sinus surgery (FESS) is the most popular method for treating medicine-refractory sinonasal disease. However, there are some pitfalls with this technique that can result in serious complications. Under the assistance of a navigation system, surgeons can overcome such problems. This study aimed to evaluate the efficacy of FESS aided by a navigation system. METHO...