Results 251 to 260 of about 420,206 (299)
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Eos, Transactions American Geophysical Union, 1953
Forty‐four records of reservoir trap efficiency and the factors affecting trap efficiency are analyzed. The capacity‐inflow (C/I) ratio is found to offer a much closer correlation with trap efficiency than the capacity‐watershed (C/W) ratio heretofore widely used.
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Forty‐four records of reservoir trap efficiency and the factors affecting trap efficiency are analyzed. The capacity‐inflow (C/I) ratio is found to offer a much closer correlation with trap efficiency than the capacity‐watershed (C/W) ratio heretofore widely used.
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Integrated Plasmonic Tweezers for Efficient Nanoparticle Trapping
2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), 2019Optical tweezing system arises from light-matter interactions which provide light driving force capable of directing a particle to a potential well and to maintain it in a stable position [1]. Recently it has been shown that the use of plasmonic structures makes it possible to overcome the problems of diffraction limit in dielectric since these ...
Aurore Ecarnot +4 more
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Axial optical trapping efficiency through a dielectric interface
Physical Review E, 2007Axial trapping through a dielectric interface is investigated in the framework of the angular spectrum representation and of the generalized Lorenz-Mie theory. We determine the optical force for an arbitrarily polarized non-paraxial, strongly aberrated, axially symmetric focusing beam and apply this description to the case of an arbitrarily positioned ...
Neves AAR +5 more
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Trapping efficiencies of capillary cold traps for C2-C10 hydrocarbons
Journal of Chromatography A, 1992The trapping performance of four different capillary cold traps (deactivated, coated, Tenax-TA and Chromosorb 101 packed traps) for C2-C5 n-alkenes, isoprene, benzene, toluene, p-xylene, mesitylene, α-pinene, β-pinene, 1,2,4-trimethylbenzene and 1,2,3-trimethylbenzene were determined over the temperature range −20 and −180°C.
Cao, Xu-Liang, Hewitt, CN
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Trapping efficiency of reservoirs
1992A numerical reservoir sedimentation model is used to investigate the factors which determine the trapping efficiency of reservoirs. Procedures for the calculation of reservoir trapping efficiency are developed.
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Efficient plasmonic trapping using bowtie nanoantennas
Frontiers in Optics 2011/Laser Science XXVII, 2011Highly efficient, low-numerical aperture optical trapping of 1-μm polystyrene beads is demonstrated using plasmonic Au bowtie nanoantenna arrays. The effect of polarization, array periodicity, and wavelength on trapping efficiencies is studied.
Brian J. Roxworthy +6 more
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An Efficient Continuously Operated Cold Trap
Review of Scientific Instruments, 1973A liquid nitrogen cold trap 140 cc in volume, constructed from glass and suitable for continuous operation is described. When the trap is operated automatically the liquid nitrogen consumption remains low at about 2 liters per day.
R. S. Timsit, A. K. C. Kiang
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Efficient absorption trap for noxious gases
Journal of Chemical Education, 1954Presents a trap readily constructed from available laboratory materials that is efficient in taking care of rapid surges in gas and prevents water from backing-up into the reaction vessel.
Irving Allan Kay +2 more
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Journal of Chemical Education, 1970
A new gas trap has been devised that is easier to construct and more efficient than standard gas traps used in organic laboratories.
J. W. Horodniak, N. Indictor
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A new gas trap has been devised that is easier to construct and more efficient than standard gas traps used in organic laboratories.
J. W. Horodniak, N. Indictor
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Optical tweezers with increased trapping efficiency
CLEO '97., Summaries of Papers Presented at the Conference on Lasers and Electro-Optics, 2005The standard configuration for an optical tweezers arrangement uses a fundamental TEM0.0 laser mode as the trapping beam. However, even modest laser powers may result in damage, or “opticution,” of delicate biological samples.
N.B. Simpson, L. Allen, M.J. Padgett
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