Anyone have a good protocol for extracting 4,4'-(1H-1,2,4-Triazol-1-ylmethylene)dibenzonitrile from Letrozole drug?

Can anyone give the detailed procedure for extraction.

30 December 2020 513 1 View

I am Looking For Spam Dataset ?

I am Looking For Spam Dataset? Can I find a comprehensive Dataset with.csv or .arff extensions which compatible with Weka?

03 December 2020 5,254 3 View

No title

08 November 2020 7,455 5 View

The second wave of the virus is Covid 20 !?

The second wave of the virus is Covid Does the virus develop and become more lethal and infect the lower part, i.e. the stomach and intestine, with severe diarrhea, intestinal bleeding and ulcers...

02 October 2020 4,767 1 View

How to discuss an insignificant p-value?

I have a small sample size (29 patients) and divided them into two groups each of which has a different sample size. I have an ordinal scale (dependant variable ) which is a scoring system to...

13 September 2020 7,298 31 View

What made English to become the language no. 1 in the world?

Why English in particular? Why not French, German, Arabic, Spanish, Chinese, or any other language?

27 July 2020 7,754 90 View

What is the most reliable method for performing ELISA test on mouse brain?

Dear fellow researchers, may I ask you for your advice regarding performing ELISA test on mouse brain? which method gives a better yield snap freezing the tissue in liquid nitrogen, storing it...

26 July 2020 1,376 3 View

How to calculate Stress intensity factor in ABAQUS XFEM with allowing for crack growth?

Dear All, I want to model crack growth in a plate using ABAQUS XFEM method. Here is my question about it: How to calculate Stress intensity factor in XFEM when crack growth in ON? At this time,...

17 July 2020 1,341 1 View

Scientific relationship between stress intensity factor (SIF) and crack tip opening displacement (CTOD)?

Dear connections , What is the scientific relationship between stress intensity factor (SIF) and crack tip opening displacement (CTOD) with specimen double edge cracked. So really I need your...

13 June 2020 9,426 1 View

How to keep in memory the global ecological pause during the COVID-19?

Dear Researchers, I would like to raise a debate with you, regarding the impact of COVID-19 in the environment and climate change. We are a group of researchers that have launched a map, which...

08 June 2020 9,286 3 View

Is there a classification scheme for rock cavities or caverns with respect to their size and shape?

The range of forms and sizes of cavities in rock is very big. Is there a classification scheme for rock cavities regarding their size and shape?

02 March 2021 4,511 3 View

Is stone a sustainable material? Is it a sustainable approach to use natural stone waste in architecture?

I'm designing a zero-waste restaurant and considering using marble waste to make some tables and a bar countertop. My clients think it's not "sustainable enough" and I would like to have more...

01 March 2021 4,326 7 View

Aspen Plus Error: Unknown or undefined bead number?

Hello, in my Aspen Plus Simulation (see attachment) there are two heat exchangers. One HEX1 (oil+gas) ist fed by hot gas which ist coming out of a burner. The other HEX2 (gas+gas) shall work as a...

14 February 2021 8,096 2 View

What is the ideal value of UACI for image encryption scheme?

UACI - Unified Averaged Changed Intensity between cipher images. Why some papers refer ideal value to be 33.33 and some refer it to be 33.46? Which is the correct value? (In reference to image...

11 February 2021 9,562 2 View

Can downdraft gasifier for RDF be scaled up?

Dear researchers, In literature, so far I am seeing that downdraft is usually used for small-scale purposes (10kW-10MW). One of the reasons behind is "they do not allow for uniform distribution...

08 February 2021 5,403 1 View

Which is the most ecofriendly and effective activated agent for the preparation of activated carbon from sewage sludge?

I am going to prepare activated carbon from the waste activated sludge coming out of WWTP. Can you please help me in understanding, which chemical/physical activating agent will be most...

07 February 2021 9,507 5 View

What are different ways to compare the histogram of cipher images from various encryption schemes?

Is there a metric to find if one histogram of cipher image is better than other? I tried calculating the variance of the image but couldn't get the intended results. Are there ways to compare...

28 January 2021 479 3 View

Separation of CaO from Al2O3 and SiO2 in a solid waste, does HCl work?

I have an alkaline solid waste which contains the following components: SiO2, Al2O3, and CaO according to the XRF analysis (as it gives the results as oxides). However, I know from the XRD that it...

28 January 2021 9,469 3 View

Is it possible to economically reuse the heat content of water vapour that is generated during quenching of continuous casting of steel?

A huge amount of water is evaporated to cool down and solidify the liquid metal strands coming out of bottom of CCM mould. The steam contains significant latent and sensible heat energy, besides...

26 January 2021 3,446 4 View

Who knows some kind of legal scheme for renewable energy certificates (REC, iREC, GO) integration requirements?

Who is a "central body" for renewable energy source certification and process implementation? Are REC, iREC, GO securities or there is another legal scheme? Is it possible to trade them outside...

21 January 2021 4,179 3 View