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

Research on Supply Chain Management in Indian context?

Hi, I am planning to apply for the PhD degree in the Supply Chain Mgt. with specific area of "Cold Storage warehouses" during Pandemics and wars. Where lock downs and shut downs are frequent....

02 March 2021 285 2 View

Uncertianiny in using dry or wet basis in mixing a sediment with fuel oil?

Hello I'm currently working on a topic related to studying the anaerobic biodegradation of TPH in marine sediments. In this work, sediment should be mixed with fuel oil to a concentration of 20 g...

24 February 2021 9,839 3 View

HPLC baseline failure (ACN/Water)?

My baseline increases without any explanation, it is only fixed by changing the solution B, will it be the column? Reagents? Bomb? Detector? Solution A: H3PO4 0.01% IN WATER Solution B: H3PO4...

21 February 2021 5,656 3 View

How Islamic State recruited European experts?

I am looking on literature analysing how Islamic State recruited civilian experts as computer technician, experts in managing public goods, doctors, nurses... from Western countries. Is there...

21 January 2021 6,148 10 View

Are there only winners in the world of exism?

BREXISM finally is over and they got a trade deal with europe now, but exism left the UK poorer according to the news Brexit is finally done. It will leave the UK...

23 December 2020 4,071 6 View

Will automated killing diminish the error rate by police?

10 December 2020 5,548 3 View

Where can I find a database of antibiotics-dose required to kill bacteria?

Hi, I am Zaizhi. I would like to know where I can find a database of antibiotics-dose required to kill different bacteria. I found a few years ago. There, I was able to know the range of dose of...

08 November 2020 9,276 3 View

How can i collect many blood sample from the rat for pharmacokinetic study without killing the rat??

how can i collect many blood sample from the rat for pharmacokinetic study without killing the rat??

28 October 2020 2,675 8 View

Can anyone recommend good primary and secondary resources on women perpetrators of the Holocaust please?

I am starting my dissertation for an MA in Cultural History, Memory and Identity. I am interested in examining women perpetrators in the Third Reich; from denunciation to frontline killing. I am...

09 October 2020 4,285 4 View

What statistical analysis method should I use with multivariate categorical data?

Hi, I'm struggling quite a bit, Hope someone can help. My research question is roughly to what extent (and what) characteristics of murder and manslaughter cases are related. The data consists...

05 October 2020 3,958 8 View