نتایج جستجو برای: phase inversion

تعداد نتایج: 639871  

Journal: :Advanced Functional Materials 2022

Phase change materials (PCMs) are key to the development of artificial intelligence technologies such as high-density memories and neuromorphic computing, thanks their ability for multi-level data storage through stepwise resistive encoding. Individual resistance levels realized by adjusting crystalline amorphous volume fraction memory cell. However, phase exhibits a drift in over time that has...

1998
Jianshu Cao Christopher J. Bardeen Kent R. Wilson

Theoretical analysis leads us to the intriguing conclusion that nearly complete electronic population inversion of molecules can be achieved with intense positively chirped broadband laser pulses, as a combined result of vibrational coherence and adiabatic inversion. Strong field quantum calculations demonstrate inversion probabilities of up to 99%. The results are robust with respect to change...

Journal: :journal of food quality and hazards control 0
n. mollakhalili meybodi research center for molecular identification of food hazards, shahid sadoughi university of medical sciences, yazd, iran m.a. mohammadifar [email protected] a.r. naseri department of food science and technology, national nutrition and food technology research institute, faculty of nutrition sciences and technology, shahid beheshti university of medical sciences, tehran, iran

beverage emulsions are systems that are composed of two liquids including oil and water which are prepared by homogenizing oil phase in an acidic aqueous phase. they must be stable in both concentrated and diluted form for a period of 6-12 months upon standing at room temperature. two immiscible phases contained systems are thermodynamically unsta-ble. in other words, they are vulnerable to bre...

Journal: :The Canadian Journal of Chemical Engineering 2020

Journal: :Hitite journal of science and engineering 2022

This study aimed to investigate the effect of Gadolinium oxide (Gd2O3) concentration (0.5%, 1%, and 2%) on performance polysulfone (PSF) membrane. The membranes were fabricated by a common phase inversion method. was determined based pure water flux, bovine serum albumin (BSA) permeation test. These characterized FTIR contact angle measurements. highest BSA rejection 53%. optimum membrane (2 % ...

2005
CHARLES J. AMMON JOHN E. VIDALE

We present two new techniques for the inversion of first-arrival times to estimate velocity structure. These travel-time inversion techniques are unique in that they do not require the calculation of ray paths. First-arrival times are calculated using a finite-difference scheme that iteratively solves the eikonal equations for the position of the wavefront. The first inversion technique is a di...

Gravity data inversion is one of the important steps in the interpretation of practical gravity data. The inversion result can be obtained by minimization of the Tikhonov objective function. The determination of an optimal regularization parameter is highly important in the gravity data inversion. In this work, an attempt was made to use the active constrain balancing (ACB) method to select the...

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