Could someone provide me standard procedure for detection of metal in detergent ink and other cleaning agent?

Please provide standard procedure for detection of metal in detergent ink and other cleaning agents.

08 September 2017 1,955 1 View

Can someone teach how to do ionic balance for wastewater samples?

Kindly suggest me.

05 June 2017 2,556 5 View

Is there any possibility for getting higher BOD value than COD in refinery waste water samples?

Generally, which parameter can be high in refinery waste water.

04 May 2017 4,634 28 View

Is there any possibility for getting higher Emulsified Oil value than Free oil in refinery waste water samples?

04 May 2017 382 3 View

Can someone provide me BSEN 60079-29-2 standard method?

10 November 2016 3,325 1 View

How can i calculate and plot Noise Rating Curve?

If someone has related documents or excel sheet, please provide me as soon as possible. Thanks in advance

10 November 2016 9,292 0 View

Could someone suggest any international standard method for microbial Indoor air quality?

10 November 2016 5,526 5 View

I have some rainfall data since 1984 to 2016. Can i predict for rainfall upcoming 2050 using this data?

Kindly provide me datail about the same without using model. please also suggest good model for the same. Thanks in advance.

09 October 2016 1,234 7 View

Can someone provide me some methods?

ISO - 8573-1: 2001 [E]ISO - 8573-2: 1996ISO - 8573-3: 1999[E]ISO - 8573-4: 2001 [E]ISO - 8573-5: 2001 [E]ISO - 8573-6: 2003[E]ISO - 8573-7: 2003[E]ISO - 8573-8: 2004 [E]ISO - 8573-9: 2004...

31 December 2015 5,653 0 View

Problem encountered when modeling with Delft3D?

Is there someone with experience with Delft3D from Deltares? I'm having a problem with Quickplot when I export a variable into ".mat" file format and try to re-open the exported file in Quickplot...

31 December 2015 1,831 0 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

Why does intensity drops as concentration increases?

Is there any reason for decrease in fluorescence emission intensity of HSA,BSA when increase the concentration ?

28 February 2021 3,653 4 View

How to resolve Gaussian error termination " Error termination via Lnk1e in F:\G16W\l103.exe" for TS(QST3)?

When I run the job for TS(QST3) in gaseous phase, it was completed without any error. But when I add water in CPCM model it terminated with an error: Inconsistency: ModMin= 2 Eigenvalue=...

21 February 2021 3,198 2 View

Interpretation of a fluorescence Emission spectrum ?

Hello, i work with a spectrometer which only render the fluorescence emission spectrum. Until now i just found how to interpret an exitation- and emission spectrum together to generate deeper...

20 February 2021 1,291 3 View

Using the Pfaffl method: Is it possible that the ratio of the calibrator does not equal 1?

Hi all, I have a question regarding calculations using the Pfaffl method. I have 3 groups per experiment: 1 control group (calibrator) and 2 treatment groups with 6 to 7 biological repeats per...

19 February 2021 8,351 2 View

Receiving very less number of hits and events in acoustic emission tests?

I am doing a three point bend test with concrete specimen of dimension 280mm*90mm*90mm. I am putting 2 sensors near the notch with 3cms away from both the sides. the experiment ran for 20 mins but...

13 February 2021 2,990 1 View

How can I multiply values with standard distribution and with triangular distribution?

I am calculating emissions considering the uncertainty of the data to do Monte Carlo simulation. Some variables such as yields have normal, lognormal or even uniform distributions. These must be...

03 February 2021 6,318 5 View

How do I analyse a Photoluminescence Spectrum ?

I have a few questions related to PL (images attached for same material by 2 methods), It would be great to get some help. 1. What is the physical meaning of highly intense PL? Does this mean...

02 February 2021 1,791 3 View

What is the harmless way of cutting epoxy filled nanocomposite ?

I want to cut epoxy filled nanocomposite for FE-SEM analysis. What is the best way to cut it without resulting in any cracks or change in position or alignment of the particle reinforcement ? Also...

28 January 2021 7,084 5 View

Where is the active point of VCSEL?

I am now working on the coupling between vertical-cavity surface-emission laser(VCSEL) and waveguide. However, the window design for laser emission is larger than the waist of Gaussian beam...

27 January 2021 8,318 1 View