Which is a lucid standard comprehensive book to guide on psychological scale construction and its standardization?

02 March 2021 7,082 3 View

How to calculate enthalpy of formation of Polymers taking into account the terminal end groups?

I am trying to find methods for theoretical calculation of enthalpy of formation of Polymers. till now I have found the oligomeric method (Gaussian) which uses the extrapolation of results from...

05 February 2021 9,707 4 View

Can any tell me or suggest any research article or review about the concentration of peptide dissolve in system water and given to Adult Zebrafish?

Hello, everyone! I have chemically synthesized antioxidant peptide isolated from the plant. I have to validate its bioactivities in Adult zebrafish. I have to administer this peptide to zebra...

01 February 2021 5,809 3 View

I am designing an UWB antenna..Please guide how to get wideband instead of multiband..?

By slotting patch and ground I am getting multiband not wideband.pls guide

09 November 2020 3,924 4 View

Can I run joint wald test for more than two regressions to interpret whether the intercepts are jointly equal to zero or not?

I have run 10 regressions using same model for a sample by diving the the sample on the basis of some criteria. The problem I am facing is that I can test the intercepts for individual sample...

25 September 2020 6,314 3 View

Is Cronbach's alfa value 0.5 acceptable ?

I am calculating the whistleblower policy disclosure score for 100 Listed firms in India. I took 31 questions under four categories and scored them 0, 1 & 2 on three-level a) 2 points: If...

09 June 2020 7,729 3 View

My Work Is On Information Retrieval Ranking Using Pso+Svm ,Using Trec Dataset Of Q/A ,But Some Good Journals Rejected Commenting Its Basic,Is It?

I did my implementation in python and represented my result score result of answers of the questions.I represented graph for all the evaluation parameters and confusion matrix,why i am not able to...

24 March 2020 4,235 3 View

What are the statistical method or procedure to construct Index?

I am constructing the whistleblower policy Disclosure Index for the top 100 listed companies in India. I have taken 31 attributes/questions/parameters under four major categories i.e. Board...

23 March 2020 6,571 3 View

How dialysis membrane can be prevented from rupturing during incubation on shaker?

I use beads inside dialysis membrane for metabolite extraction but membrane ruptured during shaking that allow cells to bind on beads. kindly suggest me the way out.

10 February 2020 3,669 1 View

Does peptone contain Adenine and uracil Its urgent please reply ASAP?

I am unable to find an exact selection media where I can see the phenotype of adenine mutants from sick to cure after transformation on a plate So, my question is about peptone composition and...

06 December 2019 3,761 4 View

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 4 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View

How do I determine the degree of polymerization of PEG 400 based on NMR integration?

Hello, I am working on the photocatalytic degradation of PEG 400. I would like to know if it's possible to determine the degree on polymerization based on NMR integration, or by the MW of the...

02 March 2021 6,186 3 View

How to polymerize TEOS?

I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...

02 March 2021 1,404 6 View

How to quantify carbon deposition on CuZnAl catalyst?

Dear All, I want to quantify carbon deposition on the surface of the CuZnAl catalyst. I have tried thermogravimetric analysis, but I've got weight gain as the active Cu- get oxidised. Does anyone...

01 March 2021 1,907 3 View

Why Trivalent chromium start precipitating above PH 5 ? Moreover discuss difference between adsorption of chromium and precipitation of chromium ?

I am a student of MS Environmental Engineering and started my research phase. I am working on metal removal ( chromium iii ) by using activated carbon prepared from the agricultural feedstock. So...

01 March 2021 5,475 2 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

POlymer+DMSO solution and moisture??

What could be the reason of moisture at the sides of Vial when I am preparing my polmyer+DMSO solution for membrane fabrication? What etiquettes I am possibly missing here?

28 February 2021 6,516 5 View

How can I assign a velocity along one direction to CO2 molecules in a molecular dynamics simulation using GROMACS?

Dear all, I am trying to perform a MD simulation about the interaction between CO2 and a polymer. I create my model, solvate it and perform the NVT and NPT equilibration. Now I am not able to...

26 February 2021 10,014 3 View

CGA 300 Regulator for CO2 cylinder?

Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...

25 February 2021 3,292 3 View