How to retrieve the lengths of all DNA-Sequences inside the NCBI GenBank?

I want to perform some statistics on the lengths of DNA-Sequences inside NCBI Genbank, for example, I want to draw a histogram of these lengths. So I am asking is there a way to retrieve the...

21 August 2020 8,531 3 View

Any suggestion with a mobile application can be to test hearing with reliable results?

I am looking for any experience with an application could be used to self test hearing with good reliability.

23 June 2020 6,876 3 View

About U-PVC injection molding ?

hello , I have common problem in my work which the product is not complete then over complete then not complete and so on , I need to know the reason of this problem ( material or machine) thanks...

04 December 2019 5,066 1 View

Is POMS-2 available for free?

Is POMS -2 test pdf available for free? where?

24 March 2019 5,575 1 View

How I could dissolve metal oxides such as cobalt oxide, copper oxide, iron oxide?

25 May 2016 9,393 4 View

How can I determine the shelf life (expiry date) of prepared volumetric solutions?

When I prepare a volumetric standard solution, I want to determine its expiry date by taking in consideration that it is not mentioned in any reference. And if possible I need a protocol for it.

25 April 2014 754 3 View

How to restore my column performance?

27 January 2014 8,737 1 View

What is the official method for analysis of free amino acids by HPLC(WATERS)?

I need to know if this method is the official for analysis or not?

19 October 2013 2,251 4 View

In the attached two UV spectra, I want to know if this change in shape of spectra is an indication of interaction between A-B?

01 January 1970 7,420 2 View

What is the right interpretation for solvent effect on UV-VIS spectra of this quinolinone derivative

The absorption spectra of Ethyl-4-hydroxy-1-(4-methoxyphenyl)-2-quinolinone-3-carboxylate (L1) is depicted in attached Figure 1. Two maximum absorption peaks were observed at 231nm and 288nm in...

01 January 1970 188 6 View

Timeout error!! Processor in the loop (PIL) using STM32F4 Matlab 2018a?

Dear Researchers I am trying to perform a PIL simulation using STM32F4 Discovery board and comunication serial USB TO TTL. During simulation I receive the following timeout error: An error...

01 March 2021 2,327 1 View

No title

I am trying to find how to know the density needed for a pva electrospinning in a 0.6mm neddle, the electrospinning will be from top to bottom and the problem I really have is the solution because...

25 February 2021 2,615 3 View

How Can I clain a removal of a co-author?

I would like to make a correction in a co-author in your paper which is wrong. This name is also in other papers of Kenton Ko. Zey Ko is not a Co-author . The correct name is Zdenka...

24 February 2021 3,476 4 View

How does the injection volume impact LLOQ and ULOQ in regression analysis (LC-MSMS)?

Hello, I have run into an issue that has sparkled a debate at work: is the LLOQ/ULOQ impacted by injection volume under the following circumstances: 1) Same dilution factor of all samples 2)...

23 February 2021 9,159 3 View

Difficulty in debugging code to correct error - TypeError: '<' not supported ?

I am trying with a Unet code ontained from net ...in tensorflow. When trying to predict the segmentation result with the trained and saved model with metric " iou" using "CustomObjectScope"...

22 February 2021 5,254 1 View

How to perform Haldane correction on SPSS?

I was wondering if anyone knew how to perform the Haldane correction for SPSS (this is the definition of the correction -...

21 February 2021 2,882 1 View

absorption= 1-mag(S(FP1:1,FP1:1)*S(FP1:1,FP1:1))-mag(S(FP2:1,FP1:1)*S(FP2:1,FP1:1)) is it correct for absorption ?

hi everyone I am simulating a unit cell structure in HFSS using Flouquet port having two modes for absorption I have used this formula:- absorption=...

17 February 2021 9,178 2 View

How can I calculate the magnetic force applied from a magnet (no electrism)?

I would like to calculate the magnetic force on a Fe304 particle which is into a liquid solution . The magnet is above the solution , and there is no electricity. I found this formula : F = (V...

13 February 2021 4,770 3 View

What is the best way to do symmetry in ANSYS Fluent for flow between two concentric cylinders ?

I am working on Taylor Couette flow between concentric cylinders and the results are correct for the full case. however, I wanted to do symmetry case to improve the mesh. I have tried periodic...

11 February 2021 2,193 6 View

What is the ideal value of UACI for image encryption scheme?

UACI - Unified Averaged Changed Intensity between cipher images. Why some papers refer ideal value to be 33.33 and some refer it to be 33.46? Which is the correct value? (In reference to image...

11 February 2021 9,562 2 View