Results 111 to 120 of about 1,649 (145)

Association between maternal exposure to oil and gas extraction process with adverse birth outcomes: a systematic review and meta-analysis. [PDF]

open access: yesBMC Pregnancy Childbirth
Latifi AM   +8 more
europepmc   +1 more source

Safety of oil from <i>Schizochytrium</i> sp. A2 for use in infant and follow-on formula as a novel food pursuant to regulation (EU) 2015/2283. [PDF]

open access: yesEFSA J
EFSA Panel on Nutrition   +22 more
europepmc   +1 more source

Familiarity analysis and time-advance experimental study of LP-NGD RC-circuit intended to operate with Unity-normalized gain

COMPEL - the International Journal for Computation and Mathematics in Electrical and Electronic Engineering
PurposeThe purpose of this paper is to develop a familiarity analysis of resistive-capacitive (RC) network active circuit operating with unfamiliar low-pass (LP) type negative group delay (NGD) behavior. The design method of NGD circuit is validated by simulation with commercial tool and experimental measurement.Design/methodology/approachThe present ...
Blaise Ravelo, Samuel Ngoho
exaly   +2 more sources

Application analysis on the different neutron gamma density (NGD) logging methods

Applied Radiation and Isotopes, 2021
Neutron gamma density (NGD) logging is the most promising alternative to the traditional density logging (GGD), which is of significance for resolving the radiation and safety issues in oil industry. However, due to the different HI correction methods, multiple NGD methods based on the fast neutron, thermal neutron, and capture gamma detection coexist ...
Quanying Zhang   +4 more
openaire   +2 more sources

Bandpass NGD analysis of symmetric lumped Y-tree via tensorial analysis of networks formalism

Journal of Electromagnetic Waves and Applications, 2021
This paper develops an original theory of bandpass (BP) negative group delay (NGD) function from three-port symmetric circuit. The BP NGD analysis is applied first time to three-port topology.
Jamel Nebhen, Blaise Ravelo
openaire   +1 more source

NGD Analysis of Turtle-Shape Microstrip Circuit

IEEE Transactions on Circuits and Systems II: Express Briefs, 2020
A negative group delay (NGD) design of a turtle shape circuit topology is developed in this brief. The topology is comprised of two different length transmission lines (TLs) interconnecting two identical coupled lines (CLs). The S-matrix model is established as a function of the TL and CL parameters.
Fayu Wan   +4 more
openaire   +2 more sources

NGD Analysis of 10-Line Microstrip Structure Crosstalk

2020 International Symposium on Electromagnetic Compatibility - EMC EUROPE, 2020
An analysis of coupling effect between "1" and "0" shape lines is studied in this paper. After the "10" structure description, the two-port equivalent circuit is introduced. The S-matrix model is presented. Then, the 10-structure group delay (GD) is expressed.
Lili Wu, Blaise Ravelo, Fayu Wan
openaire   +1 more source

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