How important Sustainable and Renewable Energy studies and dynamics in Europe ?

Dear sustainable and renewable energy researchers, I aim to review Research areas regarding Sustainable and Renewable Energy and I am currently establishing all the controls. Can you help me to...

11 January 2021 1,099 3 View

What could be the reasons for discrepancies in stationary R-squared and MAPE?

Attached is a Table summarizing the MAPE and stationary R-squared values obtained for alternative exponential smoothing forecasting models for different variables. In general, the model with the...

08 May 2020 549 2 View

What is the criterion to determine the minimum number of lags required to make a meaningful forecasting using ACF?

I hope to forecast swine population using last 30 years of census data. The original time series has 81 time points (from 1937-2017) and I have already worked out the ACF correlogram (attached...

15 December 2019 3,582 3 View

Can i use food grade collagen hydrolysate or gelatin hydrolysate for electrospinning procces instead of research grade collagen or gelatin?Thanx ?

Since research grade collagen and gelatin are quite expensive and i have to import which means it will take much time i am searching for alternatives. Can collagen hydrolysate or gelatin...

17 November 2019 8,313 3 View

I am planning to produce solvent cast membranes of collagen and gelatin. Which form should i use powder or solution? Thank you in advance?

The aim is to produce solvent cast scaffolds for bone tissue engineering. The prices for solution and powder forms of the materials differ drastically. That's why beforeI buy the raw materials I...

24 October 2019 6,821 3 View

What is the best model from the following exponential smoothing models?

I have modeled four non-seasonal exponential models using time series data on pork production over the period 1978-2012. data from 2013-2017 were hold-out for model validations. For simple...

31 May 2019 2,109 4 View

What should be ratio of each of plp1,plp2 and plp_vsvg packaging plasmids in transfection mix?

Hi Currently i am using ratio of 1 ug pCMV-VSV-G to 9 ug pCMV-dR8.2 dvpr using pei to transfect HEK cells for lentivirus packaging . But i want to change it with plp1-plp2 -plp-vsvg...

28 January 2018 3,338 3 View

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

What cause the beating of this signal?

I am trying to simulate the impact of a sinusoidal force on a Beam, yet I registred this beating signal (Displacement by time). The freaquency of excitation was the same as the first natural...

19 February 2021 5,872 3 View

Applications of General Multiple Sums?

Does anyone know of applications of multiple sums of a sequence? I know of the Multiple Zeta values (which is a multiple sum of 1/N^s). This has multiple applications in quantum physics, QED,...

08 February 2021 8,047 12 View

Does Abaqus plugin AM-Modeler predict the same temperature/crystallinity history as UMATHT user-subroutine?

During AM process, progressively activation of elements can predict the temperature/crystallinity history, including surroundings heat losses and than this data could be used to determine the...

06 February 2021 4,686 1 View

Solution free deposition of carbon nanoparticles on TEM grid?

Dear community, I started to work with new nano structures that or attached to larger, but still nanosized carbon particles. I have it present in powder form and would like to look at the...

29 January 2021 4,525 4 View

Can anyone help with a Matlab code for FEM of a FGM plate with piezoelectric patch?

Dear all Please I need a code of finite element element FGM plate with piezoelectric patch using matlab

26 January 2021 0 0 View

How do I compute alternatives of the Fuzzy Analytic Hierarchy if there are ALOT of them?

I have gotten the average grades of 25 students (They are both Anonymous). These 25 are my alternatives. Criteria from C1............CN are subjects and extracurricular activities. If in one...

20 January 2021 284 3 View

Do you have information about synthetic diamonds and their environmental impact?

I am doing a deep research on the comparison of the process of extraction of natural diamonds and synthetic diamonds, and their environmental impact I would appreciate you could share your...

19 January 2021 1,359 3 View

In order to simulate a DWC in steady state, how to put the unit operations in the flowsheet of any process simulator?

14 January 2021 3,938 6 View

Which sources you would suggest for finding unpublished research articles in order to include in meta-analysis?

Which sources you would suggest for finding any sort of unpublished research articles (e.g., pre-prints, rejected manuscripts, articles from grey-area, dissertations) in order to include in a...

09 January 2021 7,269 7 View