Oscillations

(BQ) In this text, the author constructs the mathematical apparatus of classical mechanics from the beginning, examining all the basic problems in dynamics, including the theory of oscillations, the theory of rigid body motion, and the Hamiltonian formalism.

317p runordie6 10-08-2022 1 1   Download

The objectives of the present study are: To design and produce functional samples of woven single-layer, fire-resistant fabrics made from natural, FR man-made cellulosics, and high-performance synthetic blended yarns; to determine the physiological consequences and health risks associated with wearing PPC in hot, humid environments in relation to metabolic heat production and physical work for firefighters trying to maintain the balance between protection and comfort, and its implication on the required Station Wear fabric properties.

184p runordie3 06-07-2022 0 0   Download

"The art of computer programming - Volume 3: Sorting and searching" comprises Chapters 5 and 6 of the complete series. Part 1 of book included chapter 5 is concerned with sorting into order; this is a large subject that has been divided chiefly into two parts, internal sorting and external sorting. There also are supplementary sections, which develop auxiliary theories about permutations and about optimum techniques for sorting.

412p britaikridanik 05-07-2022 12 1   Download

Ebook Principles of lasers and optics includes 7 contents: Scalar wave equations and diffraction of laser radiation, Gaussian modes in optical laser cavities and Gaussian beam optics, Guided wave modes and their propagation, Guided wave interactions and photonic devices, Macroscopic properties of materials from stimulated emission and absorption, Solid state and gas laser amplifier and oscillator, Semiconductor lasers.

262p coga81 26-06-2022 36 1   Download

Monitoring low molecular weight heparins (LMWH’s) in the perioperative period is prudent in patients at high risk of coagulative complications, especially when the patient has an epidural catheter requiring withdrawal, which is associated with the risk of spinal haematoma.

10p viisaacnewton 25-04-2022 5 2   Download

Lecture Power system stability - Lesson 18: Voltage Stability, Power System Oscillations provide students with knowledge about power system voltage stability; small disturbance voltage stability; maximum loadability when power flow jacobian is singular; relationship between stability and power flow jacobian;...

34p hanthienngao 15-04-2022 4 1   Download

Lecture Power system stability - Lesson 19: Oscillations, Modal Analysis provide students with knowledge about fictitious system oscillation; causes of power system oscillations; observing modes and damping; resonance with interarea mode; an on-line oscillation detection tool; small signal stability analysis;...

51p hanthienngao 15-04-2022 8 1   Download

Whether during spontaneous breathing arterial pressure variations (APV) can detect a volume deficit is not established. We hypothesized that amplification of intra-thoracic pressure oscillations by breathing through resistors would enhance APV to allow identification of a reduced cardiac output (CO). This study tested that hypothesis in healthy volunteers exposed to central hypovolemia by head-up tilt.

8p viottohahn 30-03-2022 2 0   Download

Intravascular fluid shifts, mechanical ventilation and inhalational anesthetic drugs may contribute to intraoperative lung injury. This prospective observational study measured the changes in respiratory impedance resulting from inhalational anesthesia and mechanical ventilation in adults undergoing transurethral resection of bladder tumors.

8p viottohahn 30-03-2022 1 0   Download

Oscillations of the arterial partial pressure of oxygen induced by varying shunt fractions occur during cyclic alveolar recruitment within the injured lung. Recently, these were proposed as a pathomechanism that may be relevant for remote organ injury following acute respiratory distress syndrome. This study examines the transmission of oxygen oscillations to the renal tissue and their tidal volume dependency.

7p viottohahn 30-03-2022 4 0   Download

Circadian rhythms in transcription ultimately result in oscillations of key biological processes. Understanding how transcriptional rhythms are generated in plants provides an opportunity for fine-tuning growth, development, and responses to the environment.

12p vigalileogalilei 27-02-2022 5 0   Download

Maintenance of physiological circadian rhythm plays a crucial role in human health. Numerous studies have shown that disruption of circadian rhythm may increase risk for malignant, psychiatric, metabolic, and other diseases.

14p vigalileogalilei 27-02-2022 3 0   Download

Circadian rhythms modulate growth and development in all organisms through interlocking transcriptional-translational feedback loops. The transcriptional loop involves chromatin modifications of central circadian oscillators in mammals and plants.

12p vielonmusk 30-01-2022 5 0   Download

Wet periods are evidenced by dark olive green mixed lithology (sandy, clay, and silts) and high values in MS and log(Sr/Ca). On the other hand, dry periods are associated with light olive green clayey mud lithology and high values in log(Ca/K). We relate the wet periods to negative North Atlantic Oscillation (NAO–) and the dry periods to NAO+. Additionally, all wet periods are related with time of low solar activity and dry periods, except Dalton Minimum, are related with periods of high solar activity.

10p tanmocphong 29-01-2022 2 0   Download

The daily gene expression oscillations that underlie mammalian circadian rhythms show striking differences between tissues and involve post-transcriptional regulation. Both aspects remain poorly understood.

17p vialfrednobel 29-01-2022 1 0   Download

Surgical manipulation of pheochromocytomas and paragangliomas (PPGLs) may induce large hemodynamic oscillations due to catecholamine release. Little is known regarding hemodynamic instability during percutaneous ablation of PPGLs. We examined intraprocedural hemodynamic variability and postoperative complications related to percutaneous ablation of extra-adrenal metastases of PPGL.

10p vampires36 30-12-2021 4 0   Download

Alveolar recruitment maneuvers enable easily reopening nonaerated lung regions via a transient elevation in transpulmonary pressure. To evaluate the effect of these maneuvers on respiratory resistance, we used an oscillatory technique during mechanical ventilation. This study was conducted to assess the effect of the alveolar recruitment maneuvers on respiratory resistance under routine anesthesia. We hypothesized that respiratory resistance at 5 Hz (R5) after the maneuver would be decreased after the lung aeration.

7p vizhangzhidong 29-12-2021 1 0   Download

Highly structured electroencephalography (EEG) oscillations can occur in adults during etomidateinduced general anesthesia, but the link between these two phenomena is poorly understood. Therefore, in the present study, we investigated the electroencephalogram dynamics of etomidate-induced loss of consciousness (LOC) in order to understand the neurological mechanism of etomidate-induced LOC.

9p vidietmarhopp 29-12-2021 2 0   Download

This paper focuses on vibration mitigation and energy harvesting in a coupled oscillator-pendulum system. Generally, the concept of a vibration-based energy harvester is similar to a vibration absorber, it is naturally desired to use the same system for simultaneous vibration reduction and energy recovery.

16p guernsey 28-12-2021 2 0   Download

The dielectric characteristics of TiO2 (capacitive behavior) in combination with the tunnel diode characteristics of the heterostructure (presenting a negative differential resistance, when activated at a threshold voltage) are shown to give rise to the relaxation oscillations.

6p meyerowitz 25-12-2021 3 0   Download