Why I see no changes in hardness of AlCu alloy after 2 months natural aging?

08 December 2020 2,929 4 View

Can anyone help me to use GAMESS?

I'm trying to use GAMESS for my calculation. I'm at initial level so can anyone help me with any tutorial/video for its Windows version? Thankyou so much.

16 August 2019 1,829 2 View

How can I make a effective urea broth medium ?

Hi, I made 40% urea broth medium(Biolife Italiana) to find out the presece of helicobacter pylori in gastric biopsy but this medium responds very slowly for positive biopsy (about 2 hours) while...

07 February 2019 6,804 7 View

Silver nano cluster synthesis problems?

Hi I tried to synthesize silver nanocluster and tested it with different concentration of DNA, AgNO3 and NaBH4, but we observe a black precipitation without any flourescent and absorbance. Is...

03 March 2018 5,549 2 View

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Read 22 answers by scientists to the question asked by Razieh Kheshtzar on Dec 19, 2016

18 December 2016 5,704 16 View

The best mathematical tool to fit observational data with theory?

What is the best mathematical tool to fit observational data with theory?

26 October 2016 4,182 4 View

How do you differ "missing data with ignorable mechanism" and "missing data with non-ignorable mechanism"?

06 October 2015 6,739 11 View

Which imputation techniques are suitable for handling missing data in data sets with non-Gaussian distribution?

I have found imputation methods based on statistical analysis and imputation methods based on machine learning. However, I do not know whether I can use them safely to impute NaNs in non-Gaussian...

12 January 2015 9,621 5 View

If the color of 17-AAG solution in DMSO turns from purple to yellow, is its cytotoxicity in MTT test decreased and what happened to it?

We use 17-AAG as positive control as HSP90 inhibitors in MTT test, I have a question about it, in the following: If the color of 17-AAG solution in DMSO turns from purple to yellow, is its...

05 January 2015 7,992 2 View

Is a noncovalent interaction a type of weak interaction?

I calculate with software of gaussian reason weak interactions.

21 April 2012 3,655 3 View

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 3 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

How to constrain genetic algorithm input u?

My real system (buck converter) can only take an input of 0 to 1 (duty ratio) and I need to constrain the system so the controller action keeps within this bounds. How can I do this? The code for...

22 February 2021 2,125 3 View

How to calculate stress at the cross section of spherical particles within a matrix?

Hi all, I am currently working on some background calculations before I start a new project related to metal matrix particulate composites. I am trying to find a way to calculate the stress at...

19 February 2021 8,503 3 View

Choice of Ab for Co-IP: Does an anti-(tag) antibody (such as anti-flag/ anti-myc) a must if I am using co-transfected cells for Co-IP?

Hi guys, I am trying to detect the binding of 2 proteins by Co-immunoprecipitation. However, the choice of antibody is confusing me. I tried probing the endogenous protein right away but the...

16 February 2021 9,050 5 View

Is Genetic Algorithm usage for Motor Conception FEA optimization a good choice?

Hi RG community, Like the title shows ,i was wondering if choosing the GA for this kind of Optimizaiton is a good choice? For example we have a population of 100 (for 7-8 Optimization Variables),...

14 February 2021 1,160 7 View

What can explain a low expected heterozygosity rate for T. monococcum wild samples (0.09) ?

I conducted an SDS PAGE electrophoresis on wheat wild varieties to separate their glutenins and measure the genetic diversity of my sample. I only ran one electrophoresis. Can a genetic drift...

14 February 2021 3,971 1 View

Kinetics of Enzyme production in Recombinant E Coli?

Hello, I am trying to find kinetic information (such as rate of enzyme production etc.) on the expression of taq polymerase in E-Coli after inserting a recombinant plasmid. Any help would be...

12 February 2021 1,386 3 View

Any reference paper with detailing on how to hybradize Q-Learning algorithm with Genetic Algorithm, especially for a variable optimization problem?

I am planning to hybradize Q-Learning algorthm with Genetic algorithm at the population initialization stage, crossover stage and mutation stage. The problem under consideration is a...

07 February 2021 3,123 8 View

Does DNA A-tailing survive after agarose gel electrophoresis and purification?

Hi everyone, I need to clone in pGEM-T vector the result of amplifying a metagenomic library by PCR with a high fidelity polymerase but I only want to clone the fragments of an specific size...

04 February 2021 6,051 8 View