How do I calculate potency of a working standard for assay evaluation of a Tablet formulation by RP-HPLC?

I have come across a formula to calculate the amount of drug present in a tablet formulation that mentions as such Amount of drug = (Peak area of sample/Peak area of standard) * (Dilution factor...

13 December 2020 4,224 3 View

How to represent Input data as multinomial distribution of feature vectors?

Hello everyone, Is there any approach to generate a fixed no. of feature vectors from the sequential data(similar to time series data...) and also express the same sequential data in terms of the...

29 November 2020 5,508 3 View

How to solve the HAZE problem in Low emissivity coatings ?

Dear friends, I am facing a problem with an issue of milky Haze in the coatings developed for aesthetic applications. All the layers were deposited by magnetron sputtering having thickness in...

08 November 2020 2,853 3 View

How to design double layer silver low emissive coating?

Dear friends of the research community, I am having an issue with double-layer low emissive coating fabrication. the coating of silver layer is not been adhere to the glass surface in this...

04 August 2020 7,730 3 View

How and what kind of coating designs are used in architectural glass?

Hi friends, research scholar, professors, Can anyone help in the design of coatings for architectural glass which is used for buildings?

22 July 2020 1,063 3 View

Is the antenna designed for Ku band operating at 14.25GHz suitable for terrestrial communication? or suitable for RADAR communication?

I have designed an antenna to operate at 14.25 GHz( 14 to 14.5 GHz)uplink frequency of Ku band with linear polarization. what kind of application is suited for my designed antenna? and reference...

11 July 2020 699 2 View

Anyone Scientist recorded the recovery of marine environment after ths pandamic lockdown?

Marine environemnt faced lot of issues like pollution and biodiversity loss due to industrialization and other ocean related activities. We should think seriously about the marine conservation for...

29 May 2020 5,270 1 View

Can we find the force of the collision by analyzing the sound of the collision ?

I'm curious to know if one can find the force of the collision by analyzing the audio or extracting features from the audio signal that estimates the force.

14 May 2020 3,981 3 View

How to define hyper elastic UMAT in a UEL?

Hi all, I am working on Phase-Field UEL for hyperelastic materials. I am using codes of Dr Molnar ( http://www.molnar-research.com/tutorials_videos_3.html) to develop hyperelastic material. I...

07 April 2020 4,243 1 View

What is the major difference between analyzing the elemental composition of fish otolith using EDS and ICPMS or ICPOES?

Here, I mean the accuracy and the major differences.

23 February 2020 5,798 8 View

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 View

Your thoughts on the spherical densiometer to estimate relative species canopy cover?

Hi biologists and biogeomorphologists, I want to characterize vegetation plots on a transect that follows a successionnal gradient from a river bed to a mature forest. Ecologically, I am...

26 February 2021 5,720 2 View

Stress/strain tensors decomposition ???

25 February 2021 6,760 1 View

Bayesian decision trees and bayesian regression trees in Python and/or R?

I am looking for implementation of bayesian decision trees and bayesian regression trees in Python and/or R.. Do you know if the existing libraries support this

23 February 2021 6,689 3 View

How to assure whether a regression tree overfit or not by seeing bias-variance value of the model?

Lets consider a regression tree in which variance is 1.1065*e-10 and bias is 2.962e-13. Also the model RMSE on training set is 1.5e-5 and on training set is 1.2950e-5. Is the model is overfit or...

22 February 2021 7,755 2 View

How can I measure the thickness of thin layers deposited on textured glass susbtrates?

I want to measure the thickness of aluminum oxide and titanium oxide layers deposited on textured glass substates. The layer thicknesses are typically below 100nm.

21 February 2021 5,465 4 View

Are cloud points able to identify tree species?

Hello Dears My goal is to classify dense forest tree species using drone images. Is it possible to classify dense cloud points? If yes, in what way and in what software? Thankful

15 February 2021 3,475 3 View

Why can't I get an Sdr value when measuring surface texture parameters?

I am performing a texture surface analysis of a polished ceramic surface using an optical profiler; amongst the parameters I am measuring is the Sdr. I got values for the Sdr when I analyzed my...

25 January 2021 4,462 3 View

Is aligning mitochondrial and nuclear sequences inconsequential?

Probably a silly question but I am a complete novice in molecular biology. I have decided to attempt a phylogenetic analysis. I have managed to create a phylogenetic tree but want to confirm...

19 January 2021 5,895 2 View

How can I make unsupervised clustering of trees species using algorithms like HAC, Kmeans... in R?

I am working on the development of multi-species volume allometric equation from diameter (DBH). I would like to form groups of species with the largest possible volume-diameter correlations by...

19 January 2021 5,752 5 View