Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

What are the application of Fixed points thoery in Chemistry.?

It is said that fixed point theory has lot of applications not in the field of mathematics only but also in various areas. So I am looking for applications in Chemistry only..

26 February 2021 3,533 1 View

Mental health of COVID-19 Patients?

We want to conduct a study on the mental health and psychological problems in COVID-19 patients and would measure it in terms of Anxiety by Beck Anxiety Inventory, Depression by Patient Health...

02 February 2021 6,401 6 View

What is the molecular size for crystal violet and reactive orange 16?

I am using methyl violet 10B and reactive orange 16 (RO16) dyes for my Ph.D. research. I'm trying to find the molecular size for both of these dyes. It is possible for me to find these dyes'...

01 February 2021 3,333 4 View

How to plot 3D plot for Measured value of antenna?

Hello everyone, I am trying to plot a 3D pattern from measured data of antenna in the MATLAB, for this, I have many files for one GHz frequency at different theta(e.g theta 90,80,70, etc). My...

31 January 2021 8,458 2 View

How to find the target displacement to use in displacement control pushover analysis according to ASCE 41-17?

I am performing pushover analysis in Etabs of a steel braced frame but oI do not know what value should I use for target displacement. The height of the building is 20m. I want to know what value...

29 January 2021 2,190 2 View

Can we coat the pellet with graphite spray in place of silver paste for making electrical contact to measure the thermoelectric properties?

I want to coat the pellet because without electrical contact (may be due to the high resistance of the pellet), the V-I plot is not coming in the ZEM-3 instrument. I want to measure electrical...

24 January 2021 836 2 View

What is suitable etching resist coating for polished Titanium Grade 5 surface?

Currently we start a chemical etching project. This project involved etching a polished titanium grade 5 surface part. We facing a problem where by our etch resist coating peel off during etching...

15 January 2021 1,592 3 View

No title

13 January 2021 2,487 1 View

Variant or strain, what exactly happened to the corona virus ?

The new, more contagious variant of the virus that causes COVID-19 which initially detected in the U.K. and has now been spotted in many of the country. While some have referred to this as a new...

11 January 2021 8,810 5 View

How to find the target displacement to use in displacement control pushover analysis according to ASCE 41-17?

I am performing pushover analysis in Etabs of a steel braced frame but oI do not know what value should I use for target displacement. The height of the building is 20m. I want to know what value...

29 January 2021 2,190 2 View

What are the primary defects associated with welding druring construction-stages which might influence the capacity of the gusset-plate connections??

Dear researchers What are the primary defects associated with welding druring construction-stages which might influence the capacity of the gusset-plate connections in concentrated braced frames?...

06 January 2021 797 3 View

How can I get the axial stress for an inclined beam188 element on ANSYS APDL?

I modeled a bridge on ANSYS APDL and added cross bracings / diaphragms as shown below. The diaphragms are not straight along the x or y or z direction, they are inclides BEAM188 elements. how can...

14 November 2020 8,172 3 View

Can anyone please tell how to define link for Tuned mass Dampers using Sap2000/Etabs?

Dear Research scholars, I was doing my MTech thesis on pendulum based TMD and I was having trouble defining the link properties. I even followed the tutorials put on CSI website. still, I wasn't...

11 November 2020 8,309 11 View

Stiffness changes of the structures due to modeling P-Delta effects in Sap2000 are more significant than OpenSees. which is more accurate?

Dear researchers The modeling of P-Delta for the structural elements (specially columns) reduce the stiffness of the structure and consequently increase the period of vibration. Now, these...

24 October 2020 7,255 5 View

[SAP2000 related] I wonder why there is no any effect in the analysis result when I change the different parameters while modeling a frame structure?

(i) I have modeled a simple 2D frame structure (2 columns and 1 beam). I would like to see the variation in the result by varying the different parameters such as, sizes of confinement bars,...

06 October 2020 9,496 5 View

Moment curvature plot in SAP2000: What should i refer to understand the background calculation which SAP2000 does to generate the M-phi ?

The moment-curvature plot in SAP2000 is based on the material stress-strain plot of caltran (along with its material FoS). I would like to understand the detailed calculation to obtain the plot...

13 August 2020 5,729 3 View

Which is your preference when analyzing 3D frames; STAAD, ETABS, LUSAS, RISA 3D SAP200 or ROBOT?

In a followup question to what was previously asked, which of the following would you recommend for analysis and performing design checks on 3D frames: (1) STAAD (2) ETABS (3) SAP2000 (4)...

02 August 2020 3,717 11 View

Which is the best software to analyse a 3D frame; STAAD, ETABS or ABAQUS?

In your opinion which is the best software to analyse a 3D frame: (a) STAAD (b) ETABS (c) ABAQUS What are the merits of your answer?

29 May 2020 3,823 79 View

How to model inverted V bracings in opensees steel building model?

For the modelling of inverted V bracing, I need to provide node at the center of the beam to create the inverted V bracing but if I am providing the node as a hinge, the model is not running....

04 May 2020 7,939 4 View