16,841 research outputs found
Letter: Radcliffe Park to S. Leigh Curry, Jr., October 16, 1970
No full textTextual: Letter, copy; 10.5” x 8” (25.4 cm x 21.6 cm)Letter from Radcliffe Park, Associate Chief Counsel, to S. Leigh Curry, Jr., Associate General Counsel for the Department of Housing and Urban Development, dated October 16, 1970. This letter discusses a letter from the Comptroller of the U.S., William B. Camp, concerning the guarantees issued by the Department of Housing and Urban Development for new community development. A letter from the Attorney General is mentioned but not found with these letters. Planned Community Archives Collection, 484.0
The politics and economics of regulatory impact assessment
No full textThis is the author accepted manuscript. The final version is available from the publisher via the link in this record
Preferential solute transport under variably saturated conditions in a silty loam soil: Is the shallow water table a driving factor?
No full textA shallow water table might enhance preferential solute movement by modifying both the water flow and solute
dynamics. In this study, we estimated soil hydraulic and solute transport parameters through a tracer experiment
in lysimeters comparing different water table levels. In a set-up of 12 lysimeters, the bottom boundary condition
was set as a water table depth of 120 cm, or 60 cm, or as free drainage. A tracer solution of bromide (250 mg l 1,
40 mm) was added to each lysimeter and soil water was sampled with suction cups at different depths for the
following 174 days. Soil water content and matric potential were monitored using TDR probes and electronic
tensiometers at the same depths. Soil hydraulic and solute transport parameters in different soil layers were
estimated by inverse modeling using HYDRUS 1D. Soil hydraulic parameters were estimated from the Mualemvan
Genuchten equations, while both the advection–dispersion (ADE) and physical non-equilibrium mobileimmobile
water (MIM) models were used to describe the solute transport. Moreover, the soil pore network was
analyzed by means of 3D X-ray microtomography. Results showed different solute dynamics between contrasting
water table managements. With free drainage, solute in the immobile domain was negligible, and its transport
was fully associated with the mobile water flow. In contrast, a shallow water table affected the tracer transport,
by modifying a) the soil pore network, with an increase of the macropores and a reduction of the pore connectivity;
b) the flow field, with an increase of immobile water and a reduction of αMIM, indicating slow exchange
between mobile and immobile regions, in turn promoting preferential pathways. Hence, groundwater pollution
might be worsened by preferential solute transport of agrochemicals occurring with shallow water table
conditions
The Italian, or, The confessional of the black penitents. A romance. / By Ann Radcliffe, author of The mysteries of Udolpho, Romance of the forest, Cicilian [sic] romance, &c. ; [Five lines of verse] ; In two volumes. Vol I[-II].
No full text2 v. ; 18 cm. (12mo)Vol. 1: vii, [2], 10-293, [1] p.; v. 2: 291, [1] p.Errors in paging: v. 1, p. 119, 120 misnumbered 120, 119; v. 1, p. 153-154 wrongly imposed; v. 2, p. 101, 207 misnumbered 100, 107
Phase Distribution Efficiency of cm-Scale Ultrasonically Powered Receivers
No full textIn the domain of ultrasonically powered biomedical implants, there is an increasing interest in cm-scale ultrasonic receivers (RX). However, when a single-element transducer is used as the RX transducer, an uneven phase distribution across the RX area can significantly reduce the harvestable power. In this paper, we investigate the impact of lateral and angular misalignment on the acoustic field phase distribution across the RX surface. We show that, for a single-element RX transducer, lateral misalignment has minimal effect on the harvestable power, whereas even small angular misalignments can cause a considerable reduction, especially for larger RX sizes. We present a potential solution that consists of subdividing a large RX transducer (e.g. 20 × 20mm2) into smaller elements, which significantly improves power transfer efficiency by taking advantage of the smaller phase variation across the surface of each element. The trade-offs between achieving a minimum acceptable power transfer efficiency and managing the increased complexity in packaging and matching circuitry are also discussed.Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.Electronic Components, Technology and MaterialsBio-Electronic
A Sicilian romance. By Anne Radcliffe, authoress of The romance of a forest, The mysteries of Udolpho, and The castle of Athlin and Dubayne.
No full text230, [2] p. ; 18 cm. (12mo)Bookseller's advertisements, p. [231-232]
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