How does a Bi-Static FMCW radar detect a Zero Doppler target?

27 September 2020 8,370 6 View

What is the best way to extract phenols from plants ?

What is the best way to extract phenols from plants ?What is the best way to extract phenols from plants without any loss

27 May 2020 9,005 17 View

Problem on reliability statistics - negative Cronbach's alpha?

In my study I want to see whether 3 items in a questionnaire relate to autonomy through a reliability analysis. The following three items are relevant I think: - Availability of task enrichment...

25 July 2018 3,223 2 View

What techniques can be used to locate fractures in underground metal water delivery pipes?

I recently met with an senior executive of a Water delivery company. #1 concern was the inability to locate leakage in underground mains pipes. Typically 40% of water is lost between source and...

24 May 2018 4,311 3 View

Would you like to participate in studies involving surgical outcomes, NSQIP, NIS, SEER, etc?

Seeking co-authors/collaborators to participate with me in database studies involving NSQIP, NIS, SEER, NAMC, etc. This is a good opportunity for post-docs and research fellows who can work...

04 November 2017 6,424 2 View

I am using simply P total RNA extraction kit (Bioflux, china) to extract total RNA from tissue sample do it require addition of mercaptoethanol

Does it require addition of lysis buffer or mercaptoethanol before homogenization or it's included in components of the kit reagents?!

03 August 2017 2,599 4 View

How many kinds of distance defined on graph in graph theory?

04 April 2017 4,384 13 View

How can I dissolve sodium palmitates in pure ethanol?

18 June 2016 784 3 View

Cell size units in point to raster?

I have metadata in my .dat file that tells me that my cell size is 0.200 degrees longitude. I want to import this file into GIS and convert my points to raster. My file is very simple: it has x, y...

29 September 2015 7,692 3 View

How can we assess the amount of sand available in a river and a lake?

What are the measures to be taken for controlled sand mining. Excess sand mining has become a big problem due to rapid urbanisation and development. Uncontrolled sand mining has now resulted in...

30 January 2014 5,444 1 View

How can I retrieve FASTA sequence from gene ID or UID of a Gene ? I have GeneBank IDs ?

I treid to use Entrez Batch, but it redirects me to NCBI site. Is there any script of Linux or Python through which I can download Fasta sequence of list of gene ID ?

21 February 2021 7,783 12 View

Defining effective diffusivity in porous zone and non-porous zone?

Hi all, I am working on methanol steam reforming using packed bed for hydrogen generation. I am using FLUENT software for CFD simulation. In reference paper, authors mentioned that effective mass...

10 February 2021 6,104 1 View

Online Shopping Security Survey?

I would appreciate if you answer my DBA research questionnaire. Thank you all in...

10 February 2021 1,990 3 View

Can't run my IPMSM drive system with DC-supply higher than 125 V. Have anyone had similar problem?

Hey, I try to run my 4 pole IPMSM with PWSVM and use a typical controller with PI-controller with a current loop and speed loop. When I run my system with DC-supply 100 V with a steady-state speed...

28 January 2021 7,354 8 View

I am trying to run a simulation on LS-Dyna and I am facing the error below with Nodal rigid constraints. Can anyone tell how to fix it?

*** Error 20393 (STR+393) Nodal rigid body ID 85000010 contains node ID 83500180 already used in a rigid body/nodal rigid body definition.

20 January 2021 2,019 1 View

LC-MS metabolomics data after annotation some have their compound name but no KEGG id or with KEGG id but no pathway. How to interprete?

Recently I have generated LC-MS metabolomics data. After annotation, some have their compound name but either no KEGG id or KEGG id but no pathway. How to interpret those compounds? Additionally,...

18 January 2021 1,938 3 View

How can I get the chromosomal location of a list of genes?

I'm looking for a bioinformatics website to get the chromosomal location of a radish gene id list, but in one shot instead of doing it gene by gene. Is there a way to do this? Thanks

17 January 2021 8,810 3 View

Carboniferous shark teeth - ID help?

Dear everyone! I am looking for some help regarding the identification of two Carboniferous shark teeth from Hungary. See the pic attached. I'd go for Bransonellidae family for A, and Falcatidae...

21 December 2020 1,226 4 View

How to modify an article's "field of expertise" or "subspecialty"?

Greetings; I've recently published a preprint for a COVID treatment RCT, which appeared under "Dental" specialty instead of "Infectious diseases (ID)". This is an issue as it doesn't appear under...

14 December 2020 6,614 4 View

Could someone help me recheck my identification of my moth samples?

Greetings to all! I am humbly asking for some help, in regards to the checking of my moth samples. Though it is of great inconvenience to you all, I will respect your decision nevertheless....

08 December 2020 6,009 5 View