Can I use General Health Questionnaire (GHQ-12) to study psychological distress among flood affected individuals in 2018?

I would like to asses the psychological distress among August 2018 flood-affected individuals. Can I use GHQ-12 in 2020?. Because there is a time gap of 1 and half years after the floods, does it...

23 February 2020 9,731 3 View

Merging data is SPSS by variable?

I have two data sets A and B. Set A has 6000 cases but has interested variable V1. Set B has a variable V2. The cases are generic in set B (so cannot merge with Set A by case). I want to add V2...

31 January 2020 8,408 3 View

How far (Kms) that the Salt water intrusion takes place from the sea (Underground) towards the main land?

Suppose If I want to dig a well say near to the Arabian Coast (India), How far from Sea that I have to dig a well in order to avoid the salt water intrusion through coastal aquifers. I would like...

23 May 2019 2,859 1 View

Endothelium Derived Hyperpolarization Factors and significance?

I am interested to know if EDHF a primordial factor for relaxation? What are the physiological relevance and sources?Does EDHF observed in Conduit artery provides any significant impact in...

20 April 2016 7,710 14 View

Want to know best algorithm for Approximation algorithm and Distributed algorithm in Dominating set and Wireless Sensor Networks?

I want to know which algorithm is regularly used for Approximation algorithm and Distributed algorithm in Dominating set and Wireless Sensor Networks?

28 March 2016 5,044 1 View

Are soluble proteins active or inactive?

I am curious to know whether soluble proteins are active in circulation? or they become active after entering the extracellular space? I know it varies from protein to protein but would like to...

21 January 2016 7,774 3 View

How to check the micro and macro analysis report for welded joints ?

I tested but whether it is right or wrong I got the test reports from a testing lab.

27 March 2014 7,227 2 View

Sometimes for my PCR reaction I am getting a perfect desired single band and another time I am getting an extra faint band with desired band.

I am using a drosophila genome extracting a particular gene. I tried using fresh DNA, sterilized water and my negative control is perfectly alright. Each time i repeat my pcr the results varies;...

17 April 2012 2,026 2 View

In FM based passive radar how to Compressive sensing(CS) technique to improve range resolution, side lobe mitigation, target detection

Compressive Sensing is very popular technique to process sparse signal. most of the researchers applying CS technique for DVB-T/DAB or OFDM, GSM based passive radars whose bandwidth is small,...

01 January 1970 7,259 1 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

Which SAR dataset to use for generating coherency matrix and performing target decomposition (Description) ?

Working on chandrayaan-2 DFSAR data, there are three datasets available: 1) Slant range image data product: The slant range complex image file. Each pixel is represented by two 4-byte floating...

02 March 2021 8,481 3 View

Passivation of chromium cast Iron in high temperature?

14 February 2021 2,157 3 View

Does anyone know if the Quantstudio 3 qPCR machine requires a passive reference when Using SYBR? I ran a qPCR and got the plot in the attached file.?

I know that my target is in my sample as I extracted it from cell culture myself. These plots show some amplification. The first one seems O.K for the first 36 cycles but then collapses at the...

14 February 2021 2,809 2 View

How to perform analysis on Chandrayaan-2 DFSAR data using MATLAB or other languages like python?

Kindly suggest any libraries/Books/platforms/tutorials for the same.

04 February 2021 1,708 2 View

SAR X-Band constellation from Capella Space?

Dear all, I'd like to open here a sort of forum for understanding how the geodesists community is moving in view of the X-band SAR satellite constellation. The new constellation will offer new...

24 January 2021 6,248 0 View

How is the power spectrum of the backscattering produced by the atmosphere on radar transmission?

If a radar send an electromagnetic wave to track some object I would expect that the returned wave (from the object) is accompanied by backscattering from atmosphere molecules. My question is, how...

17 January 2021 1,208 2 View

How to compute the refraction index for a 79.5GHz (3.8mm) FMCW Radar Instrument?

Dear everyone, I performed some experiements with a FMCW Radar Instrument emitting waves of 3.8mm. I can see some "movements" when I am looking on the relative displacements (+/- 0.15mm) over...

07 January 2021 2,073 6 View

Why is my passive reference dye (ROX) decreasing in fluorescence as my target (FAM) increases during qPCR?

I am running qPCR on eDNA samples from rivers and have found that the vast majority of my samples show a decrease in fluorescence in my passive reference dye (ROX) while my target dye (FAM)...

15 December 2020 723 4 View

How can the SAR image be divided into two looks using the spectral diversity method?

Hello I'm working on SAR Images Co-registration.I want to divide my image into two looks with the spectral diversity method. But I did not find its complete formulas in any article. Does anyone...

13 December 2020 3,270 4 View