How to estimate the potassium sulphate in the organic fertilizers ?

Dear Experts, kindly suggest me a best method to estimate the percentage of potassium sulphate in the organic fertilizers.

09 April 2018 1,656 12 View

What is the major difference among charcoal, graphite, graphene and activated carbon?

Graphite is 3D Graphene is 2D charcoal and activated carbon

04 April 2018 5,609 4 View

How can I prepare pure NiO oxide from Ni2O3 black nickle oxide??

Is there any simple heat treatment steps? or should I follow any chemical methods?

05 December 2017 2,453 4 View

Does it possible to prepare the metal sulfides thin films, particularly the substrate temperature fixed at 400 c?

28 August 2016 5,245 1 View

Epperndorf biospectrophotometer vs. Nanodrop?

Can someone tell me if epperndorf biospectrophotometer with micro cuvette is really better than Nanodrop in nucleic acids quantification, even for small concentrations?

16 March 2016 9,458 5 View

Is anyone working on AMC (Artifial Magnetic Conductor)?

I have just started to work on AMC In CST Microwave studio. Can anyone tell me how to simulate this structure in CST TOOLS for a single patch? Your answer or suggestions are most welcomed.

12 February 2014 3,547 1 View

Why does the PMC surface not allow phase reversal of an EM wave ?

I'm very confused about when the Perfect Magnetic Conductors EM waves hit the surface but the electric field does not change phase in reverse. I don't know what concepts is behind this. Could...

12 February 2014 7,083 1 View

How do different parameters influence the Raman spectrum of defect assisted bands in terms of - position, FWHM and intensity of disordered graphene?

We know that, when lattice periodicity is broken by a defect, the defect bands evolve. Also we know that the parameters such as point defects (vacancies, interstitial), sp3 related point defects...

16 December 2013 8,725 2 View

Regarding EBG design in CST tools: What are the boundary conditions that should be given in CST?

Electromagnetic bandgap struture

25 September 2013 3,251 8 View

How do we bridge Life experience of Veterans with Asset Life Assurance Programs? Do we demand Returnships in Corrosion Control?

26 December 2012 5,703 1 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View