| 词汇 | example_english_pulse |
| 释义 | Examples of pulseThese examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. Generation of quasimonoenergetic electron beams using ultrashort and ultraintense laser pulses. Computations for nonlinear force driven plasma blocks by picosecond laser pulses for fusion. On the interaction of femtosecond laser pulses with cluster targets. Synchronous circuits may be defined as automata whose transitions between successive states are triggered by pulses delivered by a global clock. As a vegetatively propagated crop, seed quality is more important for potatoes than for cereals or pulses. 637 capillary discharge dynamics, plasma configuration optimal for the guiding of high intensity ultrashor t laser pulses can be generated. Experimental investigation of radiation-gasdynamic processes that develop under the action of high-power l 10.6 mm laser pulses on a solid in a gas. However, it is questionable whether this high magnetic field may be obtained with superintense laser pulses. Acceleration of tibial tracture healing by non-invasive, low intensity pulsed ultrasound. Electrons and protons beams produced by ultra shor t laser pulses in the relativistic regime. However, the use of femtosecond laser pulses for plasma generation has opened up a wealth of interesting new possibilities and applications. Physical examination revealed tachypnea, tachycardia, gallop rhythm, systolic murmur maximum at the right upper sternal border, and barely felt bilateral femoral pulses. Enhancement of proton acceleration by hot-electron recirculation in thin foils irradiated by ultraintense laser pulses. In the fast ignitor scheme the difficulties are transferred to the per formance requirements of the channeling and the ignitor pulses. Nearly all the continua are animated by short, repetitive movements, pulsed into the shape of a delta. Superimposing two oppositely directed picosecond laser pulses and measuring their duration using multiphoton absorption. The study of the absorption and electron acceleration of high-intensity laser pulses incident on a target surface is of great interest. Observations of collimated ionization channels in solid glass irradiated by ultrahigh intensity laser pulses. Efficient guiding of ultraintense laser pulses, both through preformed density channels and through solid guides, has been demonstrated. The direct generation of double-quantum coherences is not efficient in the case of weaker microwave pulses as obtainable by commercial instruments. The effect of changing the relative intensities of the two primary pulses has also been qualitatively investigated. In the second series of simulations all parameters were the same except that energies and intensities were 10 times higher for both pulses. Generation and confinement of high energy electrons generated by irradiation of ultra-intense short laser pulses onto cone targets. Efficient acceleration of electrons with counter propagating intense laser pulses in vacuum and underdense plasma. Advances in laser technology have recently enabled the observation of self-focusing in the interaction of intense laser pulses with plasmas. The method described here works well for detecting 2-deg pulses at 4-deg eccentricity in a steady surround. Explosion of atomic clusters heated by high-intensity femtosecond laser pulses. Low-energy low-divergence pulsed indium atomic beam by laser ablation. In the earlier reports, pulsed high power laser is focused onto the target resulting into the ablation of material, giving pulsed atomic beam. Based on the results, pulsed diode lasers at optimal wavelengths can be chosen for clinically adapted equipment. Following the injection of such pulses into strongly scattering media, such as tissue, the time dispersion of the photons can be studied. Complete characterization of damage threshold in titanium doped sapphire crystals with nanosecond, picosecond, and femtosecond laser pulses. Waveform of the laser pulses used in the experiments. Figure 2c presents the waveforms of 10 emission current pulses recorded sequentially waveform 1 !. Emission from a stainless steel cathode completely ceased after 10 6 pulses. The waveform of the pulses was close to that of high-voltage pulses at the antenna input. Attosecond pulses from a moving plasma also when the plasma is underdense. Therefore, the idea of using a circulating pulsed liquid-metal jet made from gallium, mercury, or lead targets seems quite promising. 392 t0 is comparable with the temporal uncer tainty of the synchronization between interaction and probe pulses. Implosions using both 100- and 200-ns rise time current pulses were analyzed. The delay between heating and interaction pulses was varied, allowing interaction with the plasma at different stages of its evolution. The best ablation efficiency was observed with femtosecond laser pulses. Typical oscillograms of input and output probe laser pulses a!, argon fluorescence b!, and current in the forming line c!. Generation of ultrashor t light pulses by a rapidly ionizing thin foil. Each sonar transmits a number of pulses fired in sequence, the exact number of which is determined by a unique code. The microcontroller generates pulses to activate the wheel stepper motors and arm servos. The pulsing condition of the laser can also be verified using a simple and inexpensive reflective grating. Furthermore, no coherent pulses are present in the solution (2.15), and this, as discussed above, is a consequence of a moving source term. In this work we have obtained various conditions for the existence of solitary pulses. In general, nonlinear waves and, in particular, solitary pulses exist. Still, because of the response of the radiation background, the pulses are coupled, and (2.5) exhibit spatial self-focusing [34]. Two circularly polarized laser pulses of amplitude a = 7 and phase difference 51 = 0 illuminate the foil from opposite sides. Like the large-angle scattering case, no coherent pulses are present in both the f1 or f2 truncations. In writing (26a,b), we have used the solutions for the pump and scattered pulses as given by (35) and (36). In an experiment carried out in a linear, unmagnetized plasma, evolution and propagation of nonlinear, rarefactive ion-acoustic pulses have been investigated. Numerical results for the spectra of the transmitted pulses, derived from this theory, agree exceedingly well with the results from the experiment. X-ray spectra of fast ions generated from clusters by ultrashort laser pulses. The duration of laser pulses was varied, between 60 fs and 1 ps changing the distance between gratings in the compressor stage. Deposition of diamond like carbon film by ultrashort pulsed excimer laser. As more and more pulses are added (p is decreased), the individual pulses are no longer perceived, but instead the sound becomes unvoiced. The latter consists of a large repertoire of cereals and pulses which have remained largely unchanged over the centuries. Such broadband pulses would require a suitable compressor stage to achieve a transform-limited duration. Application of pulsed laser deposition and laser-induced ion implantation for formation of semiconductor nanocrystallites. Synthesis and processing of silicon nanocrystallites using a pulsed laser ablation supersonic expansion method. Energetic electrons emitted from ethanol droplets irradiated by femtosecond laser pulses. Application of pulsed laser deposition and laser-induced ion implantation for formation of semiconductor nano-crystallites. Characterization of neutral density profile in a wide range of pressure of cylindrical pulsed gas jets. X-ray spectra of fast ions generated from clusters by ultrashor t laser pulses. Minimisation of cavitation effects in pulsed laser ablation illustrated on laser angioplasty. Consequently, by synthesizing this part of the spectrum, we have obtained attosecond pulses in the reflected signal. The spectral composition of radiation, shape of the output pulses, and far-field and near-field radiation zones were examined under various pumping parameters. Second, the fs laser pulses heat a material without changing its density, so that the initial thermodynamic conditions are easily known. Such a large value of energy can definitely not be possible with cavity dumped oscillators, especially delivering pulses of 10- 20 femtosecond (fs). However, this should maximize the number of responders but not the degree of response (given the limited number of pulses given on either side). The coefficients of the dummy variables (excluding wheat), therefore, compare the production frontier of barley, other cereals, pulses, and other crops to that of wheat. In that case the basic patterns are traveling pulses which arise in the convection of binary fluids. Presumably, the pulses are not as strong for low and high k, owing to interference with the forcing and dissipation. Here that is left to the imagination of the reader and a more quantitative method is used to demonstrate the existence of the pulses. On physical examination, he was not cyanosed and his upper and lower limb pulses were normal. The electrical pulses are directed through a copper coil, shaped in a figure eight, which is placed against the human's scalp. Generation of coherent x-rays in the water window using 5-femtosecond laser pulses. The present ar ticle deals with the large clusters exposed to the intense ultrashor t laser pulses. The mineralogical and chemical similarities within the sills indicate comagmatic relations between the contrasted magma pulses. Extracts were sonicated using three pulses to maintain cooling. A key question is whether a series of pulses of this kind can be generated ultrasonically. Only two, however, had pulses that were considered to be normal at the time of discharge. At long-term follow-up, 11 (22%) patients still have absent or reduced pulses in the leg concerned. We had a relatively high rate of complications for angioplasty of re-coarctation (21.7%), most representing transient loss of pulses. All patients had evidence of reduced femoral pulses and 11 also had upper limb systolic hypertension (>95th percentile). The laser intensity pulses can be simulated numerically by using the laser rate equations. If this latter voltage is indeed insufficient to stun a tsetse, then flies that contact the grid between pulses will escape, un-stunned. The three patients undergoing thrombectomy had good pulses. An implanted neurostimulator sends electrical pulses under patient control to stimulate the brain. The microprocessor software must count the clock pulses and generate the clock start/stop and direction signals. The clock pulses are still input to the deletion circuit and therefore the process of deleting pulses can be repeated. They did conclude, however, that this may not be a good approximation for shock pulses of very much greater strength. In practical cases one cannot have the rectified pulses and not the boxlike cross sections of plane waves. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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