29 November 2021 3 5K Report

What should be the optimu heating temperature and heating time for high entropy alloy powder?

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How to get article and literature review templates (for publishing) from websites like Elsevier?

Hello, I want to know how to get the templates from the Elsevier official website (their last updated if exists)? I would like to know the steps if possible.

26 July 2024 3,264 2 View

Forecasting with known copula parameters?

I want to calculate the Mean absolute percentage error (MAPE) for my copula model. I am stuck at the forecasting step. I am not specifying the copula here for different data pairs. 1. I have two...

14 July 2024 7,604 1 View

What is the fastest method should i use to determine TiO2 content for thermoplastic without using any high tech instrument?

I currently conduct a hotmelt thermoplastic. I want to find the tio2 content in the product. As far as I know, titration method can be used since it is available for me. May I know what is the...

07 July 2024 5,264 3 View

How to generate data from copula parameters for forecasting and model comparsion?

Hi, I have parameters of time-varying normal copula. Now I want to forecast using these parameters. For that I will need to generate data using these copulas parameters as shown in the...

20 May 2024 488 0 View

Manual Book LYSSY- L100-5000 ?

Hello, I need your help, I have a gas permeability instrument LYSSY L100-5000, but I Lost the manual. Anybody here has the same, please kindly share?.. Thank you.

07 May 2024 7,125 0 View

Commercial Biotransformation with Microbes?

Hello, I am in search for papers that: 1) explain with graphs the biotransformation of diosgenin to cortisone. 2) explain with graphs the biotransformation of soybean oil to progesterone. If...

29 April 2024 1,333 3 View

How can i check whether urea/denaturant has been removed from my protein after dialysis ?

i am refolding protein by gradient dilaysis in which i gradually decrease concentration of urea by gradient dialysis. however im not getting surety wheather denaturant has been completely removed...

24 April 2024 5,399 1 View

How to achieve a review paper when it claims all authors have passed away?

Name of literature review: Plastic and Human Health: A Micro Issue? May 2017 Environmental Science and Technology 51(12) DOI: 10.1021/acs.est.7b00423

21 April 2024 1,589 3 View

For copula modeling of time series data, why are standardized residuals of fitted ARIMA/GARCH required instead of directly using time series data?

Hello, I have read that for standard copula modeling, you can get empirical cdf of data and use it for copulas. But for time series data, we must first fit ARIMA/GARCH, get standardized...

11 February 2024 2,463 1 View

Time Varying copulas Empirical analysis steps?

Hello, All papers I have read about time-varying copulas just produce tables, but none explains exact steps for empirical data. How do I calculate the time varying parameters for the copula? I...

18 December 2023 5,453 1 View

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Aqua regia not heating up?

I used Aqua regia to clean Au nanoparticles in the used glassware. But for some reasons, it is not heating up upon mixing. The color did change from no color to light orange. The Au NPs on the...

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Mechanochemistry: ball to powder mass or ball to powder volume?

I run mechanochemical reactions that involves the use of a large amount of catalyst (1:1 molar ratio to the reactant). When I try to understand the effect of amount of catalyst on the reaction, I...

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What is the heating temperature that I can use to deactivate enzymes in bacterial extract exopolysaccharide without loss of the bioactivity of EPS?

What is the heating temperature that I can use to deactivate enzymes in bacterial extract exopolysaccharide without loss of the bioactivity of EPS? Hi I am trying to make the purification (by TCA...

22 July 2024 5,334 6 View

Appearance of crystallization peak in heating cycle of DSC test?

For which types of polymers, the crystallization peak in heating cycle of DSC test can be observed and for which types cant? In another word, when this exothermic crystallization can be observed...

18 July 2024 348 3 View

I need to know the required time for VDF heating with water for 50-80°C for PVDF Polymerization in ?

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I want to plot calibration curve of pure mirtazapine powder using HPLC. Can someone please suggest a method without HPLC buffer as a mobile phase?

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14 July 2024 1,493 3 View

What binders suggestion that I can use for zinc alloy?

I am working on powder metallurgy, and during the compaction process, the powder does not pelletize and remains in its powder form. To address this issue, I am considering using binders to improve...

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How i figuer out the weight of curcumin powder?

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Liposome Preparation using Heating Method - Why does my liposome suspension form aggregates?

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