Is there any effective FEM solver to perform simulation of balloon inflation with large deformation (e.g. 300% strain)?

Hi! Thank you for your time, attention, and support. I am currently using FEM solver Abaqus to perform a set of balloon inflation simulations, trying to understand the deformation shape, stress,...

14 February 2021 2,524 4 View

Why are we measuring gel content of NBR latex? Does gel content related to the amount of cross-linked in a polymer?

Hi good day to everyone! I am actually studying the gel content of synthetic latex. Refer to ASTM 3616, gel content is measure of insoluble rubbers in the chosen solvent. So, I just would like to...

07 February 2021 605 4 View

How to delete a copy of a paper, and how to delete a co-author's name?

I mistakenly uploaded a copy of the same paper and entered my alternative name. How to delete them out? (I couldn't navigate to the right buttons to do it. So from where to where is what I don't...

07 January 2021 7,694 6 View

What effect will different solvents have on the ATRP reaction?

I want to do an ATRP reaction, synthesize an ATRP initiator, use DMF as a solvent, and mix DMF, BIBB and TEA to turn red. Why does it turn red? Xylene has been used as a solvent before, and there...

04 January 2021 8,034 3 View

Species identification.Who can tell me the scientific names of these Gastropods?

Species identification. I've been doing research on communities of marine macrobenthos recently, but some of them can't be identified, which hinders my research. Who can help me identify these...

14 December 2020 8,357 3 View

Cell shrinkage during ROS assay(H2DCFDA)?

Hi! I'm Yu, studying about health of MSC. These days, I'm doing ROS assay with H2DCFDA which requires 5~30 minutes of staining with PBS or HEPES or HBSS. In our lab, We use PBS w/o Mg/Ca for...

13 December 2020 8,813 9 View

Can I fix the cells after H2DCFDA assay for FACS analysis?

Hi ! I'm Yu, and planning to analyze ROS assay with H2DCFDA(Thermo) on MSCs. A lot of protocols instruct that treat H2DCFDA at specific concentration for 5~30 min, 20~30 min of recovery time...

10 December 2020 973 1 View

How to reconstruct a Lamb wave by a series of pulses superposed?

Lamb wave is useful for solid structure health monitoring, and it consists many modes. Unlike ultrasonic bulk wave, when given a pulse excitation (for example, 5-cycle sinusoidal pulse), only...

08 December 2020 5,440 8 View

How to interpret the significant effect of covariates when conducting a Two-way ANCOVA?

06 December 2020 8,560 4 View

Did anyone do microglia Oil Red O staining?

I need to stain adiposome in microglia, but I don't know how to confirm that are really success? method : Removed media and washed cells with PBS, then added 4 % paraformaldehyde for 20 minutes at...

24 November 2020 2,359 2 View

What is/are the best ML classifier(s) for Sentinel2 images?

Hi I am trying to segment a sentinel2 image. At this stage, I want to run a binary classifier that assigns each pixel to either farm or non-farm pixel. For this purpose, I have 4 10m bands...

15 February 2021 3,596 9 View

Differences between sheep blood with Alsever solution vs citrated/defibrinated sheep blood in microbiological media?

I am aware of a study that has compared the use of citrated and defibrinated sheep's blood in microbiological media (Hair Sheep Blood, Citrated or Defibrinated, Fulfills All Req... ), but can...

10 February 2021 5,927 1 View

How to choose the Hidden Layers Number and RBM Size in a DBN network?

Hello, When using a Deep Belief network (DBN) for images classification, how could we choose the number of hidden layers (number of Restricted Boltzmann Machines) and nodes (RBM size) in a hidden...

09 February 2021 4,618 5 View

Is there any similarity index between two time series?

Hi We have two time series dataset. For example mean daily temperature from two stations. Each of them have 30 data for a month. T1={ t1 , t2 ,... , t30 } T2={ t1 , t2 ,... , t30 } Now we want to...

06 February 2021 6,434 7 View

Hi, Good day! Do you have related studies about my title, "Factors Affecting the Senior High School Students' Stress Tolerance in Problem Solving"?

I am new researcher. I want to learn more and I need your help. Thank you.

04 February 2021 6,834 4 View

Can anybody provide me sequences of SPF10 primers?

03 February 2021 1,053 2 View

How do you annotate figures to show significance?

30 January 2021 1,008 3 View

Matrix based scientific data analysis: extrapolating to matrices of sets?

Data sets, when structured, can be put in vector form (v(1)...v(n)), adding time dependency it's v(i, t) for i=1...n and t=1...T. Then we have a matrix of terms v(i, j)... Matrices are important,...

30 January 2021 9,295 6 View

How to ensure diversity and fight stagnation in a complex two-objective optimization problem?

I am working on solving an optimization problem with two objectives by using neuroevolution. I use NEAT to evolve solutions which need to satisfy objective A and objective B. I tried different...

27 January 2021 4,875 3 View

When is the right time to stop training a classification algorithm?

In this example giving 400 samples looks like there is an accuracy of 91.5% while training beyond that point, accuracy is getting decreased. Are 400 samples enough to keep for this example? If...

27 January 2021 5,657 3 View