How can we measure draft power required during ploughing(loadis moving), when using any other tractor attachents like seed drills/harrows/ploughs?

We have a residue management project running here in our station, inside this project we want to measure draft power variation due to different factors. In this case, we need to measure the power...

06 January 2020 6,812 3 View

Do we have any technology that can decay straws of maize, rice,wheat etc in farmers field faster than they decay with simply incorporating in soil?

I frequently visit farmer's fields in Bara and Parsa districts of Nepal. I heard many times that burning the straws is not farmers favorite choice but are compelled to do so for getting the next...

28 May 2019 2,638 12 View

How to remove the KOH from ethanolic etherification without using extraction method?

Etherification was carried out between aromatic -OH group and alkyl chloride in the presence of ethanolic KOH. The precursor is a bulky dye compound that consists of an aromatic -OH group and an...

23 May 2019 7,830 5 View

Is it possible for a polymer to have optical band gap of 1.3 V and electrochemical band gap of 1.7 V?

Based on the reviews I read, most polymers got close value for optical and electrochemical band gap. I tried to calculate these band gap from UV-vis spectra and cyclic voltammetry. But the band...

01 January 2018 9,567 2 View

Can I use cellulose Soxhlet thimble instead of glass fibre thimble for the Soxhlet extraction in polymerization?

I read that most previous studies used glass fibre thimble instead of the cellulose thimble. The solvents are methanol, acetone, hexane, toluene, dichloromethane, chloroform. If I use cellulose...

15 May 2017 397 2 View

Why the entire FTIR spectrum shifted to the left after dimerization?

18 February 2017 1,096 3 View

How can I get freshly powdered KOH from commercially bought KOH pallets?

The KOH absorb atmospheric moisture quite fast when I manually powdered it.

06 February 2017 862 3 View

Which is the suitable NMR solvent for compound that does not dissolve in DMSO-d6 and CDCl3?

I would like to scan NMR for a compound name : 4,4'-dibromo-2,2'-diaminobiphenyl. According to some papers, the NMR solvents used are either CDCl3 or DMSO-d6. However, when I try to dissolve my...

07 January 2017 3,224 9 View

What is the purpose of adding HBr in bromination? Hbr/Br2 system.

Is the HBr was added to prevent the formation of HBr as by-product from Br2 during the reaction (minimize the wastage of Br2)? And to move the reaction forwards faster?

03 December 2016 3,324 8 View

Why DMSO is used even though the compounds are soluble in DMF?

I get to know that the solvent DMF is technically similar to the DMSO for organic synthesis, just that DMSO can dissolve more compounds than the DMF. Is there any special reason that DMSO is used...

19 November 2016 1,101 6 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 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 Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 View

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 3 View

In Molecular Dynamics Simulation, how do I make changes to the force field according to my protein?

Hi In Molecular Dynamics Simulation, how do I make changes to the force field according to my protein? I got this error in the add-ion stage: Fatal error "./ amber99sb-ildn-HHH.ff / force...

01 March 2021 8,747 4 View

SEM or Multiple Regression for an analysis without Latent Variables?

Hello, I have three hypothesis to test, all with the same IV. I am testing if the effect of the IV on the first DV is mediated by awe. I am then measuring whether the effect of the IV on a...

26 February 2021 8,399 5 View

Why initial concentration of Pb not the same as calculated one when testing using AAS?

I am currently doing research on the adsorption of heavy metal using magnetic reduce graphene oxide. I use AAS to determine the concentration of the heavy metal. I prepare the Pb solution with...

26 February 2021 9,580 4 View

Can anyone help with Schistosoma identification?

Can anyone identify what kind of Schistosome species this might be? Morphological features of cercariae and adults resemble Trichobilharzia, though I am fairly new to the field of parasitology...

25 February 2021 7,760 6 View

IF troubleshooting: looking at an intracellular protein that localizes to the cell's and how to reduce increase in signal due to cell ruffles?

I am currently trying to stain for PI3KBeta in MDA-MB-231 cells. My current issue is that 1) beta stains all over the cell and 2) there is an increase in signal at the edge of the cell and this...

24 February 2021 8,582 1 View

How to search for crystal structure for material with atomic position labelled?

I am using the crystallographic open database and materials project to search for cif file but the exact structure is not mentioned or how can I deduce that the given structure and atomic position...

23 February 2021 6,723 2 View