Results 231 to 240 of about 3,309,226 (277)

A male-transmitted B chromosome undergoes strong meiotic drag in females of the jewel wasp Nasonia vitripennis. [PDF]

PLoS Biol
Ferree PM, Cummings J, Garman E, Solomon J, Martinez KS.   +4 more
europepmc   +1 more source

Plasmonic Arrays Resonating at D-Band Communication Frequencies. [PDF]

Materials (Basel)
Wei R, Liu M, Petersen S, Zhang W.
europepmc   +1 more source

Proposing a novel structure for the implementation of a graphene metamaterial-based tunable band pass/stop spatial THz plasmonic filter. [PDF]

Sci Rep
Kabiri P, Nooramin AS.
europepmc   +1 more source

An 8×240 Gbps dense wavelength division multiplexing transmitter with lithium tantalate. [PDF]

Nat Commun
Zhu M, Liu D, Wang W, Zhong H, Huang F, Zhao S, Gao A, Gan J, Zhao W, Gao C, Lian D, Li H, Yu Z, Dai D.   +13 more
europepmc   +1 more source

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Constant-current D-C transmission

Electrical Engineering, 1935
High voltage d-c electric power transmission has been envisioned for many years, but numerous obstacles have prevented its use to any great extent. Most of these obstacles appear to be over come in the system described in this paper; this system comprises conversion of constant-potential a-c power to constant-current d-c power, transmission of constant-
C.H. Willis, B.D. Bedford, F.R. Elder
openaire   +2 more sources

Performance Evaluation of S+C+L-Band Optical Transmission over G.652.D and G.654.E Fibers

Conference on Lasers and Electro-Optics, 2022
We evaluate the performance of 150-nm SCL-band optical transmission over 1280-km G.652.D and G.654.E fibers. By optimizing power allocation and system configuration, SCL-band long-haul transmission enables the same performance as commercial C-band system.
Bo Feng, Lin Gan, Qiang Guo, Shiyi Cao, Xinhua Xiao   +4 more
openaire   +1 more source

Economic Aspects of D-C Power Transmission

Transactions of the American Institute of Electrical Engineers. Part III: Power Apparatus and Systems, 1957
Results of the study may be summarized as follows: 1. A number of d-c overhead and underground power-transmission systems were designed, with a-c generation and electronic power converters at both ends, operating on a constant-voltage principle. The d-c systems are designed for the same security and reliability conditions as the corresponding a-c ...
openaire   +1 more source

The Calculation of the Regulation Characteristics of D-C Transmission Systems

IEEE Transactions on Power Apparatus and Systems, 1964
An account is given of a method for determining the performance characteristics of one terminal of a d-c transmission system taking into account the supply system, the filter bank, and, in the most general case, the synchronous-compensators whose reactive power output is made dependent on the converter-transformer line voltage.
A. Gavrilovic, D. G. Taylor
openaire   +1 more source

Transmission Rates of Hepatitis C Virus by Different Batches of a Contaminated Anti–D Immunoglobulin Preparation

Vox Sanguinis, 1999
Abstract Background and Objectives: The aim of this study was to determine the hepatitis C virus (HCV) infection rate of recipients of different batches of anti‐D immunoglobulin associated with an outbreak of HCV infection which occurred in 1977 and its relationship to the polymerase chain reaction (PCR) status of the implicated
E, Lawlor, J, Power, J, Garson, P, Yap, F, Davidson, G, Columb, D, Smith, L, Pomeroy, J, O'Riordan, P, Simmonds, R, Tedder   +10 more
openaire   +2 more sources