| 词汇 | example_english_beam |
| 释义 | Examples of beamThese 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. Proposed double-layer target for the generation of high-quality laser-accelerated ion beams. Penetration of intense charged particle beams in the outer layers of precompressed thermonuclear fuels. Interaction between neighboring beams in heavy ion fusion reactor chamber. Generation of quasimonoenergetic electron beams using ultrashort and ultraintense laser pulses. Laser-driven generation of high-current ion beams using skin-layer ponderomotive acceleration. Equation-of-state properties of high-energy-density matter using intense heavy ion beams with an annular focal spot. 620 parallel beams in a fusion driver is expected to be of the order of 100. The approach that has been explored in the past would use a single aper ture for each of the 100 beams of the injector. Different applications require different optimizations of the proton beams. We show it is possible to minimize the rms deviation of the intensity by repointing the beams and an optimum is found. The displacement is supposed to be the same in magnitude for all beams of one cone and to be the same for the symmetric cone. Demonstration of fusion-evaporation and direct-interaction nuclear reactions using high-intensity laserplasma-accelerated ion beams. 3 ability to describe forward scattering instabilities, not only for mono-energetic photon beams, but also for laser beams with an arbitrary spectral width. Equation ofstate proper ties of high-energydensity matter using intense heavy ion beams with an annular focal spot. Excitation of plasma wave by two laser beams. A glass plate with a center hole separated the laser and electron beams non-destructively. Shaping of intense ion beams into hollow cylindrical forms. Production of ion beams in high-power laser-plasma interactions most of the gantry, which provides multidirectional irradiation of a lying patient, is no longer required. Optical trapping and manipulation of single cells using infrared laser beams. Both beams were set to present coincided 8-mmdiameter diffuse light spots on the retina, used for test flash and background light, respectively. Densitometry of the response of a new radiochromic film dosimeter to gamma radiation and electron beams. Sensitometry of the response of a new radiochromic film dosimeter to gamma radiation and electron beams. Symmetrized illumination by two beams brings little advantage 1%!. However, in many situations where intense radio emission is observed, energetic particle beams are also observed or invoked. Before the improvements were introduced, the technologists often were not informed when or if electron beams were necessary for a particular patient. Although elliptical beams were used in these calculations, it may be possible to use round beams with this design, and future work will address this. One of them is the interaction of high intensity laser and par ticle beams with matter. In both experiments, bright proton beams were produced, although the numbers varied significantly in the experiments carried out with the two lasers. Using the large angle beams in the foot meant that the conver ter was only directly heated from the side closest to the hohlraum wall. Theory of ions emitted in a plasma by relativistic self-focusing of laser beams. 52 for the new method to use intense heavy ion beams to generate high density states. The arm construction we considered consists of rectangular aluminum beams of l (m) length each. The propagation of circularly polarized electromagnetic beams along the magnetostatic field in an electron plasma is investigated. The propagation of the two beams is governed by two separate and different paraxial wave equations. Instead of an analysis using beams, if a plane wave analysis is used, only the first term in (68) remains. The latter instability is present even for non-relativistic electron beams, and disappears in ultra-relativistic beams. Thus, there are two independent electromagnetic beams propagating in the direction of the magnetostatic field. Even more powerful installations will probably be created in the future for the ignition of thermonuclear microexplosions with light-ion beams. Such an oppositely propagating pair of beams may arise from a reconnection event, for example. High beams, low beams, beams of brightness find no reason for my pain. Based on micro-structured beams and a direct correlation between source and image the shape of the sheath can be reconstructed. Penetration of intense charged par ticle beams in the outer layers of precompressed thermonuclear fuels. Electrons and protons beams produced by ultra shor t laser pulses in the relativistic regime. Integrated simulation of the generation and transport of proton beams from laser-target interaction. Relativistic interaction of rippled laser beams with plasmas. One of the three 527-nm laser beams, which will be discussed in section 3.1, was used to create and heat a large plasma. All incoming beams have a single cone at an angle of 458 relative to the hohlraum axis. Physical problems of the ion generation in laser driven ion sources, laser and particle beams. Design of a distributed radiator target for inertial fusion driven from two sides with heavy ion beams. Comparative studies on intense electron beams generated in transient hollow-cathode discharges. Their study indicated that the energy difference between two beams was the key factor for the phase lock. Implosion of multilayered cylindrical targets driven by intense heavy ion beams. The first 96 beams will be completed in mid-2008, and will allow for preliminary experiments on symmetry, shock timing, and ablation rate. The first bundle of eight beams will be operational by summer 2001. Here the amplified beams of both chains are superposed automatically due to the optical properties of the phase conjugated signal. The experiments have shown that the self-organizing lasers with dynamic reciprocal loop cavity are capable of generating high-average-power beams with good quality. Therefore, only three cones of beams are necessary instead of five cones in the first design. Laser-driven generation of highcurrent ion beams using skin-layer ponderomotive acceleration. An interesting potential application of such beams is for radiography of dense materials as well as the measurement of electric and magnetic fields. Theory of ions emitted from a plasma by relativistic self-focusing of laser beams. In the quasi-isotropic geometry, one should compare spectra before the constituent beams enter the focal region and after they emerge from the focus. Generation of gamma beams present limitations can be surmounted in the coming years. Using electron beams could develop much more toward nanotechnology and much higher density of electronic elements on silicon chips. In the figure, we see clearly the four lobules produced by the pairs of beams focused with u 1⁄4 f08, 908, 1808, 2708g. Thus, our results are suitable to describe the scattering of unfocused beams. Interaction processes between these beams and the underdense plasma in this region can be influenced by crossing effects. We also repor t on the observation of energy transfer between two crossing beams with same frequency in a flowing plasma. The main par t of laser absorption on a capsule sur face is in the regions where the laser beams contact a shell. In these experiments, the foam layer was irradiated by two laser beams simultaneously figure 6!. At a point well beyond the solar system when considering missions to interstellar space, beamed core becomes superior. Since the beam's energy deposition will melt and evaporate even tungsten, non-intercepting diagnostics are required. Guiding of intense laser beams in highly ionized plasma columns generated by a fast capillary discharge. Lasers along with intense particle beams are the main tolls to induce high energy density states in matter. Here, the relative phase difference between two beams is measured. The empty circles in the beams indicate their best focus. The presence of multiple laser beams in a plasma can give rise to a new set of interesting phenomena [12-15]. The existence of such beams can result in a two-stream electron instability. One of the most profitable ' crops ' for farmers was wood for firewood and housing beams. On both sides of the opening, photoelectric cells emitted infrared beams directed towards the top of the platform. Production of intense ion beams by electrohydrodynamic spraying techniques. After some general preliminaries an extensive discussion is given for beams. Each set of sending optics produces an arrangement of the beams that is sensitive to a different pair of velocity components. Neither approach is expected to per form well across a wide spectrum of beams and targets. Like a stealthy bat, he would hang upside down from the iron beams. I therefore adduce this path leads to a boundary where humans can vanish and reappear as dustlike shapes in the last faint beams of sunset. All the tables and chairs are of solid dark wood to match the dark stained original wooden beams of the mill. Additional members added to this basic structure serve to reduce the span of the joists which are all parallel to the main beams. In the finished construction the beams are exposed; the columns are concealed. They were then tied together by the 175mm x 150mm edge beams that support the floor structure. They are in fact held up on a pair of great transverse beams carried by a cross-shaped central column. At this point we can infer that the beams were already in place, and the work of joining them to the wall followed their completion. The beams were put into position and on them was nailed the double layer of boards, with 16 nails for each board. We next describe the thermal interaction between the beam's end and the wheel. Overly powerful beams are also likely to have a local heating effect, causing thermoluminescence. Modern flash photolysis experiments often use lasers because of their superior intensity, their monochromaticity and their directed beams. More expensive systems use laser beams to follow lines. The patients were treated in the supine position with 3-4 beams of mostly mixed photons and electrons. 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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