What is the best way to calculate the angles of twist for concrete columns subjected to torsional moment using finite element software?

In Finite element software like ANSYS , there is difficulty in obtaining direct results of twisting of concrete members because SOLID65 which is the unique element designed to represent concrete...

26 February 2021 3,806 2 View

How was your experience with Biomedical and Biotechnology Journal?

How was your publication experience with BBRJ in terms of peer review and reviewer comments. Did you find it fair and transparent ?

23 February 2021 3,810 6 View

Which method need to be used to predict crack propagation?

Need to predict the crack propagation phenomenon in a CI component. Suggestions are needed regarding the the methods ( XFEM, J integral, etc.,) which will predict the crack propagation behavior...

06 February 2021 1,936 4 View

How do i handle Ti and/or Aluminium powder. Since in the instruction on the container is written that CATCHES FIRE SPONTANEOUSLY IF EXPOSED TO AIR ?

i am working on max phase preparation......i am a newly joined PhD scholar. I wanted to make MAX phase of Ti3AlC2 , in most of the literature they are using the metal powder of Ti and Al for the...

23 December 2020 7,122 8 View

How to calculate the percentage of elongation?

I have the yield stress & ultimate stress values for Al alloy. But I don't have the percentage of elongation. Using Yield & ultimate , is it possible to calculate the the % of...

22 December 2020 1,679 1 View

Does fully active groundhook controller work without an additional passive damper in a suspension system?

Hello, I have been trying to simulate the active groundhook system in Matlab/Simulink. The force equation for the groudhook actuator force is given by F_gnd = -c_gnd*vel_wheel, where c_gnd is the...

25 September 2020 4,094 3 View

How to convert the elastic properties of a material given in Cartesian coordinate into cylindrical coordinates ?

I want to convert the Young's modulus and Poisson ratio of an orthotropic material given in Cartesian coordinates into cylindrical coordinates. Please suggest me the way or provide me the link or...

15 July 2020 3,653 5 View

How to do crack propagation study ?

I have a scenario in which I need to do crack initiation & propagation study . Based on the load which is applied on the component, crack needs to be initiated . Once it is initiated, the same...

07 July 2020 3,838 2 View

Where to find energy consumption per unit volume of wastewater treatment using RO, Micro filtration, nano filtration, ultra filtration etc?

I want to find the energy consumption per unit volume during a waste water treatment processes. It should be comparable and also according to the pollutants concentrations.

13 June 2020 2,592 3 View

Is it possible to use to IOT for condition monitoring?

For condition monitoring of any part / system, can we use Internet of Things technology (IOT)? If so , how can we use it?

12 May 2020 6,088 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

Standard curve shifting over time. How do I stabilise the ELISA?

24 February 2021 1,365 3 View

How does the injection volume impact LLOQ and ULOQ in regression analysis (LC-MSMS)?

Hello, I have run into an issue that has sparkled a debate at work: is the LLOQ/ULOQ impacted by injection volume under the following circumstances: 1) Same dilution factor of all samples 2)...

23 February 2021 9,159 3 View

How to estimate/know plant virus concentration to make a standard curve in ELISA after serial dilution?

Hello, I am trying to know tomato virus titer/concentration in samples and I will perform serial dilution of the positive control. I wanted to ask How to estimate/know plant virus concentration to...

13 February 2021 6,534 4 View

XRPD Quantification - Building a calibration curve of drug excipient?

I am aiming to utilise XRPD to quantify a drug excipient within a drug product and have been having a little trouble building the calibration curve to allow for this quantification up until this...

10 February 2021 6,145 3 View

What is a good software for non-linear curve fitting rather than Excel and Lab Fit?

I am looking for good software for curve fitting. My curve equation is non-linear. I used Lab Fit and Excel software but could not find the curve equation with good accuracy. What software do you...

20 January 2021 5,554 13 View

Does anyone grow Mycobacteria in TECAN Spark machine to get growth curves? What setting is necessary? Any tips (use Tween20 or tyloxapol?)?

I would like to grow Mycobact. Smegmatis in 24well plate in TECAN Spark machine. So far, I was using 100ml erlenmeyer flasks with 20 ml bacterial culture w/ shaking 180 rpm in 37C . Tecan would...

10 January 2021 6,624 2 View

How does the dilution of matrix-match calibrators impact the ionization in LC-MS/MS?

Greetings. I would like to get opinions from the experts for the improvement and optimization of multiple drug confirmation by LC-MS/MS. 1. One of our method calibration curves follows the...

10 January 2021 9,559 2 View

Do polymers with different chain lengths have UV-Vis absorption peaks at different wavelengths?

I have a sample of mixtures containing polystyrene microspheres (PS-MS) with 3 different diameter sizes (bought from thermo), they all contain a green fluorescent dye inside the polymer matrix /...

06 January 2021 2,218 5 View

Why train curves are being repeated in this five fold cross validation?

Hello, I am using ...... optimizer = RMSprop(lr=1e-4, decay=1e-6) N_FOLDS = 5 EPOCHS = 20 INIT_LR = 1e-4 Train_Batch_Size = 32 Valid_Batch_Size = 32 decay_rate = 0.95 decay_step =...

30 December 2020 2,519 3 View