Why uwb antenna group delay measurements taken at 30 cm?

UWB Antennas group delay measurements are carried by keeping antenna separated by 30 cm ftf or e2e configuration. The literature survey reveals it to be the abeyance of far-field condition.......

02 September 2020 6,404 3 View

Is research on antimicrobial peptides worth it?

In the age of Mutiresistant drug bacterium(s) and eukaryotic pathogenic organisms or superbugs, we are in a constant lookout for new treatments and especially antibiotic drugs. Two approaches, in...

23 August 2020 3,915 3 View

Is ATP the best energy providing molecule? can there be something better?

ATP energy-storing molecule as is no doubt an efficient! as not only it is used as energy storage and provider in all forms of life and has probably been around for billions of years. Even in the...

08 February 2020 9,015 6 View

How to know the concentration of compound in nanogram/Litre from a calibration graph in microgram/Litre?

I have calibration graph using GC-MS ion trap of a compound in microgram/Litres but i got the compound value in sample in nanograms/litre. Now i need to know the concentration of the compound. How...

01 February 2020 9,649 4 View

Do you think the word/phrase "Economic Growth" is an innocent and positive one?

15 January 2020 2,890 14 View

How to perform transmission electron microscopy (TEM) analysis of S. aureus biofilms?

I would like to analysis the S. aureus biofilms to know the effect of certain quorum sensing inhibitor on ultra structure. Could someone elaborate the method to prepare sample for TEM analysis...

22 July 2019 5,456 3 View

How to plot predicted probability of logistic regression with multiple variables?

I encountered a problem in plotting the predicted probability of multiple logistic regression over a single variables. For example, my model is Prob = - 0.727 + -0.002*X1+ -0.022*X2+ -0.002*X3+...

20 December 2017 5,725 11 View

What should be boundary conditions for flow of water in penstock bifurcation pipe?

I am modelling the wye branch in ANSYS and at the inlet I am giving the mass flow rate and outlet is set as pressure outlet.Do I need to add the pressure developed due to the height of the pipe...

12 July 2017 9,390 2 View

What is the simplest way to do sulfirization process ?

I am deposited Cu2SnS3 thin films. I need to do sulfurization for getting better phase. Can you tell me what is the simplest way to do sulfurization?

30 December 2016 7,408 5 View

Are wall panels having a width b lower than their height h are not considered to resist lateral loads. ???

Are wall panels having a width b lower than their height h are not considered to resist lateral loads. ???.

02 March 2016 1,389 3 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

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 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 can extract ciprofloxacin hydrochloride disolve in water er to organic solvent such as dichloromethan or any other solvent?

I need a procedure to extract the ciprofloxacin hydrochloride from aqueous solution by using dichloromethane in detail,. I thank you very much.

01 March 2021 4,306 1 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View

How to make fractions of chloroform extract of plant, using seperating funnel?

28 February 2021 8,466 2 View

Why am i not getting solid after reacting APTES with salicylaldehyde?

The reaction of APTES with salicylaldehyde in ethanol leads to the formation of imine compound yellow solid which is mention in literature, but I am not getting yellow solid I don't know why? when...

28 February 2021 2,955 2 View

can I treat waste water containing solvents and alcohol with electrocoagulation?

there are solvents and alcohol in the waste water of a factory that produces disinfectants. Increasing this waste water requires very serious operations. Can I treat this waste water with...

27 February 2021 2,609 3 View

How to replicate the well conditions of a crystal hit with 20%(w/v) isopropanol?

I had a crystal hit in a well with 0.1M HEPEs pH 7.5, 10%(w/v) PEG 4000, and 20%(w/v) isopropanol. Why is isopropanol in w/v here if it's just solvent? How do I recreate this well condition?

25 February 2021 9,761 1 View

How to increase solubility of Poly acrylic acid in Dioxane solvent?

I am working with Polyacrylic acid (100.000Da) and instead of water, I need to use another solvent (dioxane) to dissolve PAA. However, because of the high molecular weight, it's quite hard to...

25 February 2021 2,225 5 View