Results 1 to 10 of about 1,368,920 (143)

Analytic expressions of amplitudes by the cross-ratio identity method

open access: yesEuropean Physical Journal C: Particles and Fields, 2017
In order to obtain the analytic expression of an amplitude from a generic CHY-integrand, a new algorithm based on the so-called cross-ratio identities has been proposed recently.
Kang Zhou
doaj   +3 more sources

Loss Analytic Calculation and Error Analysis for HVDC Converter

open access: yesZhongguo dianli, 2022
The loss of modular multilevel converter (MMC) HVDC converter valve is not only an important performance and economic evaluation index of the system, but also the direct basis for the selection of converter valve power devices, junction temperature ...
Biaojun LI   +3 more
doaj   +1 more source

Research Progress on Vanillin in Alcoholic Beverages

open access: yesShipin gongye ke-ji, 2022
Vanillin is a very important aroma compound in alcoholic beverages. It has been widely concerned because of its pleasant sweet aroma, vanilla aroma and physiological function.
Xinliang MO   +4 more
doaj   +1 more source

Optimizing tight oil extraction from low permeability tight reservoirs: a study on stress sensitivity effects and applications in carbon capture, utilization, and storage

open access: yesFrontiers in Energy Research, 2023
This paper takes into consideration the impact of stress sensitivity on bioenergy production from low permeability tight reservoirs, focusing on the post-fracturing phase.
Xin Jiang, Gaoming Yu
doaj   +1 more source

Describing the scattering of keV protons through graphene

open access: yesFrontiers in Chemistry, 2023
Implementing two-dimensional materials in technological solutions requires fast, economic, and non-destructive tools to ensure efficient characterization.
Jakob Bühler   +2 more
doaj   +1 more source

A Simplified Mechanical Model and Analysis for the Settlement Deformation of Buried Pipelines Caused by Open-Cut Excavation

open access: yesApplied Sciences, 2023
This study aims to reveal the deformation characteristics of buried pipelines and the effects of various parameters on settlement displacement using the analytical analysis method.
Yulin Lu   +3 more
doaj   +1 more source

Research Review on Quality Detection of Fresh Tea Leaves Based on Spectral Technology

open access: yesFoods, 2023
As the raw material for tea making, the quality of tea leaves directly affects the quality of finished tea. The quality of fresh tea leaves is mainly assessed by manual judgment or physical and chemical testing of the content of internal components ...
Ting Tang   +5 more
doaj   +1 more source

A Fault Analytic Method against HB+ [PDF]

open access: yes, 2010
The search for lightweight authentication protocols suitable for low-cost RFID tags constitutes an active and challenging research area. In this context, a family of protocols based on the LPN problem has been proposed: the so-called HB-family.
Carrijo, Jose   +2 more
core   +2 more sources

Analytical modeling and calculation of core grounding current in converter transformer

open access: yesFrontiers in Energy Research, 2023
In recent years, the calculation of the core grounding current of the converter transformer is difficult, low precision, and time-consuming, especially when the core is grounded by multiple points.
Xiu Zhou   +6 more
doaj   +1 more source

Arthur Danto and Art world [PDF]

open access: yesОмский научный вестник: Серия "Общество. История. Современность", 2019
The American philosopher Arthur Danto left a bright mark in the history of contemporary art as his analyst, critic and even artist. In the mid-1960s, Arthur Danto first introduced the analytical method to the field of philosophy of art in order to ...
I. N. Nekhaeva
doaj   +1 more source

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