How to prevent/reduce shrinkage of chitosan film after the peeled from the Teflon plates?

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How can I overcome the problem when I measure mice weight?

I have a experiment related mice. I have to mate them and weight the weights in babies in every day. My concern is if I touch the pups every day do mother still accept their babies for breast...

11 October 2023 2,807 0 View

How can we use a polymer film as a working electrode in three electrode sytem?

I have a polymer film. I want to do the CV, GCD and EIS studies using a three electrode system. KOH is the electrolyte, Pt wire as the counter and calomel as the reference electrodes.

23 February 2023 6,245 3 View

I want to protect my aldehyde group in p bromobenzaldehyde.I used ethylene glycol, PTSA and tolune. But refluxing makes the solution a pale green.why?

I used dean stark trap... But refluxing is happening in dean stark trap at about 145oC.

24 March 2022 6,652 1 View

What is a media for the MICP stimulation in lab scale?

Can anyone suggest me a media for the stimulation of MICP on a laboratory scale? There are a lot of papers suggesting the use of an NBU (modified nutrient broth with urea and CaCl2) media for the...

25 January 2022 5,664 0 View

What chromogenic agents?

Can you suggest me some chromogenic agents for detecting Ca ions using spectrophotometry.

28 December 2021 6,247 4 View

What media should I Use to Isolaate Bacillus megaterium?

What media should I use to Isolate Bacillus megaterium, Bacillus Agar or sheep's blood agar. If can, please mention why?

20 November 2021 3,025 5 View

Why DNA solution shows slight turbidity?

Extracted DNA sample dissolves in 0.1 M sodium acetate. It shows slightly turbidity.

26 October 2021 479 6 View

Do we need to consider inflation when analysis of asymmetric price behavior?

For the asymmetric price analysis (farm gate price, wholesale price and retail price) do we need to consider inflation? Almost all research used nominal price, can't we use real price instead of...

06 September 2021 3,239 4 View

If data set stationary according to the KPSS and PP test what is the best step for price transmission analysis process?

I need to identify the wholesale and retail prices of vegetables transmission (symmetric or asymetric ) behavior, but my dataset stationary according to the aforementioned test, so what's the next...

17 August 2021 1,241 0 View

What's the best approach or method that can be used to identify the unit root or non stationary/ stationary in time series data set?

1.There are different techniques available to identify the unit root or stationary/ non stationary such as DF, ADF,KPSS, DFGLF and PP etc. What is the best technique or method to identify the unit...

16 August 2021 5,214 4 View

• What the possible Persistent Organic Pollutants and Heavy metals present in fluorspar, sediments, and water bodies around its mining area?

Approximate concentrations are require in compared with the WHO permissible limts

11 August 2024 2,723 1 View

Handling Missing Data and Building a Predictive Model with Incomplete Information ?

I am developing a predictive model for a water supply network that involves 20 influencing points. However, I only have historical data for 10 out of these 20 points. I would like to know how to...

10 August 2024 4,005 2 View

I have get this error when i calculated the geometrical optimization for prco3, it takes 12 hours until gives this message in the outputfile?

Fatal error in MPI_Allreduce: Other MPI error, error stack: MPI_Allreduce(1628)......: MPI_Allreduce(sbuf=000002459254A180, rbuf=000002459F86A140, count=4851, MPI_DOUBLE_COMPLEX, MPI_SUM,...

09 August 2024 7,615 1 View

Do interactions between biosphere, carbon cycle, & water cycle impact global warming & interaction between atmosphere & hydrosphere?

How do interactions between the biosphere, the carbon cycle, and the water cycle impact global warming and interaction between the atmosphere and the hydrosphere?

09 August 2024 3,291 2 View

Is it true that $\det(V(A))$ may be only $\pm 1$, depending on $n$, for the last symmetric tridiagonal matrix $A$?

One can try to generalize the Vandermonde determinant in the following direction: Let $A$ be any symmetric $n$-order square matrix. Consider its powers' diagonal elements $(A^k)_{ii}$ and...

08 August 2024 6,690 1 View

What is the prepared reference material that can be used in inductively coupled plasma optical emission spectrometry (ICP-OES) to measure REE and U ?

What is the prepared reference material that can be used in the ICPE-9820 Shimadzu Japan instrument, which employs inductively coupled plasma optical emission spectrometry (ICP-OES) to measure...

06 August 2024 1,896 1 View

How effective is the Citi Bloc standard basket in enhancing the accuracy and comparability of international construction cost assessments?

Citi BLOC Standard Basket Definitions: A standardized unit representing a fixed basket of construction materials, labor, and equipment costs priced in various cities. Purpose: To create a common...

04 August 2024 8,997 1 View

How to Add Missing Water Molecules in Protein-Membrane Simulations?

I have protein-membrane simulations (PDB, PSF, DCD) and have noticed that water molecules near the protein are not visible in the simulations. How can I fix this issue? Is there a way to place the...

04 August 2024 1,200 2 View

Why is nonpoint source pollution potentially more harmful and difference between point and nonpoint sources of water pollution?

01 August 2024 1,180 2 View

How do living organisms play a role in the water cycle and why is nonpoint source pollution potentially more harmful than point source pollution?

01 August 2024 7,061 2 View