Can an airplane stay up in the the air without moving forward just like helicopter ?

How the lift and weight cancel each other perfectly for a helicopter to stay it motionless? Because its propeller do generate huge amount of lift due to air pressure plus a blend of air stream...

09 February 2021 3,990 14 View

What is the formula used for the calculation of L10?

Is there any formula, which can be used for the calculation of L10 i.e, peak noise level? Please give your opinion?

14 January 2021 8,408 3 View

What is the relation between lattice parameters and particle size in manganites??

The change in particle size is resulting in change in unit cell lattice paramaters in manganites. Please explain it in terms of crystallography and why is it so.

28 February 2018 1,590 3 View

How can i dissolve Sodium Nitrate in organic solvents??

I am to make a solution of Sodium Nitrate and a polymer which is hydrophobic. I have been trying with ethanol, but in vain. Please suggest me a procedure to make a solution of sodium nitrate.

07 November 2017 4,018 5 View

PH of 0.01N HCl ? any reference for this.

It was required for buffer preparation.

27 June 2017 3,684 3 View

Which is the best solvent system for flavonoid isolation in TLC method ?

14 May 2017 3,450 4 View

1000g vcf file mapping against bed file?

Hi all, basically this is a bioinformatics query, I have a 1000genome phase3 vcf file and a clinical bed file, i need to map the bed file against my vcf file to find only CNVs, but not indels, for...

13 October 2016 7,924 2 View

How can I remove chlorophyll from ethyl acetate plant extract ?

13 September 2016 4,655 8 View

Whether sex ratio affects fertility and hatchability in japanese quails? under what mechanism of action sex ratio affects these parameters?

sex ratio, fertility, hatchability, Japanese quails

17 August 2016 149 3 View

How to improve color and odor of polyethylene glycol adipate ?

During drying of polyethyle glycol adipate, odor goes to intense and color becomes dark. Any possible expalanation or solution to this problem.

14 March 2016 4,395 2 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 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

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...

01 March 2021 8,544 1 View

Samples to study circular dichroism (chirality)?

I want to build a low-cost polarimeter to study circular dichroism (chirality). What type of samples can I use? I am looking for samples that can be found outside the laboratory.

01 March 2021 9,101 3 View

How to accurately quantify chitin?

Hi all, I have been working on the quantification of chitin in insect samples and feed for a while but I can notice that the quantification methods (e.g. exposure to HCl, NaOH, and weighing sample...

01 March 2021 1,843 2 View

Heat exchanger with liquid Nitrogen as coolant?

I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...

01 March 2021 6,450 5 View

RIA. How to measure?

When you use RIA, with a control the unknown sample with antibodies, you bare in mind the binding sites of the antibodies. However you still need to measure labelled antigen (radioactive) and not...

28 February 2021 2,133 3 View

How to Eliminate cosine error and abbe error in LASER measurement system(for example Rhenishaw XL80)?

I like to do project in laser measurement system. My objective is to eliminate or reduce the cosine error, abbe error in Laser measurement system. I have Rhenishaw XL80 system. Please tell the...

28 February 2021 4,890 3 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