What are the procedures for environment friendly and effective methods to prepare silicon QDs, Si nanotubes and silicene (2D materials)?

There are different nanostructures of silicon like nanotubes, QDs and silicene. I need to know what are the 'green' or other effective methods for preparing them..please share the procedures of...

10 January 2021 3,418 1 View

Understanding the true stress-strain curve of polymers as an Abaqus input?

The attached image is the measured tensile strength data (ISO standard) for commercially-available laminating epoxy (cured with hardener). Measured using a universal tensile strength machine in a...

14 December 2020 7,370 4 View

Can anyone help me in this error in Unisim/Hysis? Why is the extraction column not converging?

I have used appropriate references for all the values and inputs that I have used for simulation. Please kindly help me out. I have been working through this for quite sometime. I used unisim for...

01 April 2020 773 2 View

MIKE 21 Illegal Storage Access?

Has anyone ever received the error 'Illegal storage access Abnormal completion' from MIKE? I am using the Data Extractor FM and at certain times this error comes up. Once I receive this error I...

24 March 2020 2,518 3 View

Design of equipment used for membrane distillation?

Has anyone done any work about membrane distillation? If yes please tell me about the membrane that you used and the design of the equipment and it's measurements. Please tell us the factors that...

09 February 2020 2,971 3 View

How to identify the concentration and weight used for magnetic composite preparation ?

I have got a publication in which the authors prepared BaFe12O19/CoFe2O4. But the amount / concentration used for preparing the metal nitrate solutions were not mentioned in the publication...

15 January 2020 3,563 2 View

Which drug has least bioavailability and side effects when administered through oral route and not in any other routes?

Some of the drugs are having side effects associated with oral administration with less bioavailability...Please share your latest ideas about drug molecules belonging to this category

07 November 2019 2,357 3 View

Can Spodoptera litura eggs be preserved?

How long can we preserve Spodoptera litura eggs in refrigeration without opting for cryopreservation. What are the conditions to look out for?? Can they be stored indefinitely in refrigeration?...

03 October 2019 6,403 2 View

Internet of Things and Chemical Engineering?

I'm an 6th semester undergraduate in Chemical Engineering. I have an inclination towards electronics and computer science and I have always been fascinated about the same. I love chemical...

18 April 2019 5,190 2 View

How to find a surface area of 2d sectioned blood vessel with irregular outer and inner diameter?

Dear researchers, I'm doing work on histomorphometry of inferior radial artery surface area at various levels from start to termination. I know to find if the section is uniformly round or...

16 March 2019 7,630 1 View

Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 View

Which database would give me this list of chemical components?

Dear colleagues: I would like to know if anyone knows of a database that gives me the parameters pH, K, K, Mg, P, C, N, Zn, Cu, Ni and Cd of common foods. I find a lot of information of proteins,...

26 February 2021 5,525 3 View

Why is NH4OH added in heavy metals limit test?

The limit test I'm referring to is USP method II. In this procedure you need to dropwise add 6N of NH4OH to the sample until it the pH is alkali. After that you need to dilute and add HOAc until...

23 February 2021 2,049 3 View

Is there an ideal incubation time of RGO-modified SPCE before subsequent use, i.e., electrochemical characterization or further modification?

I notice that upon washing and air-drying of my RGO/SPCE surface and characterizing again via DPV, the current response towards ferricyanide probe significantly decreases. My worry is that the...

22 February 2021 5,324 3 View

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22 February 2021 9,932 11 View

How to prepare electrolyte of NaClO4 salt for Na-ion battery? Any problem with this salt?

Hello, I am trying to make anode for Na-ion batteries. I have no experience with preparation of the electrolyte for any batteries. NaClO4 salt are available and I am planning to use EC:PC as...

21 February 2021 8,132 1 View

Can anyone help or comment on solubilising chlorobutanol in aqueous injections in minimum time possible?

Please suggest solubilisation of chlorobutanol in injections. Tried pH and high temperature. But the issue is of assay drop. If anyone can suggest any solution. Its a commonly used excipient for...

21 February 2021 7,397 1 View

What reaction will occur when adding hexamine into ammonium nitrate in an acidic medium?

Hello, I am investigating properties of water in oil emulsion explosives. And adding hexamine (hexamethylenetetramine) into one of the phases that are used to make the emulsion should increase the...

21 February 2021 8,680 1 View

What properties of water shall be analyzed and evaluated to test the effectiveness of activated carbon?

I would like to ask what other properties of water (pH and such) shall be analyzed and evaluated to test the effectiveness of activated carbon from filtering the contaminants present in the water?

20 February 2021 9,422 8 View

Phenol-pH graphic?

We want to use phenol pH graphic to measure the pH of mediums before and after inhibitor application to cells. We have phenol absorbence values at 460, 560 and 720 nm wavelength. When we measure...

20 February 2021 7,700 3 View