I need to accelerate corrosion in steel parts that are used in a salt-water environment. Is there a technique for doing so?

I have a structure that employs d-ring swiveling tie-downs that corrode during use and become "frozen". I have sample swivel assemblies that I wish to corrode to see if I can free them using one...

01 March 2021 3,739 3 View

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 View

Does anyone ever solved this following Matlab error : "Error using imaqdevice/start (line 95) pointgrey: Failed to stop the camera acquisition." ?

I use Matlab 2014b to capture some images with a PointGrey camera connected with USB3 port. I initialize the camera in a function which basically execute these followed lines : vid =...

22 February 2021 6,386 1 View

Making my research papers available for readers?

17 February 2021 8,533 2 View

3T3-L1 cells, is this a bacterial contamination or a cross contamination with different cell line? or something else?

Hi, I am experiencing some difficulties with 3T3-L1 cells culturing recently. I am working with 3T3-L1 cells for almost 4 years now and have seen bacterial contaminations/ unhealthy cells and...

13 February 2021 4,040 3 View

What are the main conditions suited for synthesizing a PVDF thin film by solvent casting method?

I have been trying to synthesize PVDF thin film by solvent casting method. I started by using 2:3 DMSO: acetone as solvents. The solution was stirred for 3hrs at 60 deg and was dried at 90 degrees...

09 February 2021 8,850 3 View

Wave velocity and rock density paradox?

Practically it is known that seismic velocity increases as rock density increases, why then does the wave velocity equation involving elastic moduli and density indicate that velocity is inversely...

09 February 2021 1,843 3 View

What is the magnitude of yearly rhizopdeposition in tropical forests?

Hi all, I am trying to find reference values on annual soil rhizodeposition rates for different kinds of forests, with a particular interest for tropical rainforests. Do we have an idea of the...

26 January 2021 4,278 4 View

Recipe for old qiagen DNA extraction buffer AP2?

Hi there, I'm looking for the recipe for a buffer no longer made by qiagen, but that i need for a procedure i'd like to carry out. I'd like to follow the extraction procedure laid out in the...

17 January 2021 8,496 1 View

Will an electromagnet core be as efficient if it is made of several pieces?

If you had a design for an electromagnet core that required it to be assembled out of several parts would it still produce as strong a magnetic field as the same core but made out of a single...

17 January 2021 5,821 3 View

How to address this issue in the analysis of Real-Time PCR results?

To dear Researchers, I was analyzing a series of concentration for estimation of Real-Time PCR efficiency. The concentration was 1:10. I used MS-excel to evaluate Slope. The result of slope was -8...

01 March 2021 8,683 4 View

Is the box plot of climatic indices better illustrate from daily data or annual data?

Hello, I hope you have a good time. I work on a research project about temperature indices. Due to the high number of indices, I only work on tables and maps on an annual time scale. In other...

19 February 2021 9,742 2 View

How to best represent qPCR DD Ct or D Ct as a box plot?

I've been reading up on how to best represent qPCR data, specially on answers given on this site by Dr. Jochen Wilhelm. I understand box plots are the way to go, but I still don't understand them...

11 February 2021 7,228 3 View

How do make a horizontal Boxplot incl. Outliers? (Excel, SPSS, others)?

I have recorded a time series (in minutes + seconds) and would like to make a horizontal boxplot. I have vertical boxplots in SPSS and Excel. However, Excel is not able to make horizontal boxplots...

30 November 2020 9,005 6 View

How do I show the data values on the Y-as of a boxplot?

Hi everyone! I have a question: I made a boxplot from a question in my survey asked with a 5-point Likert scale in SPSS. The question was 'Do you execute frequently a CT of the skull?" with...

07 November 2020 9,319 5 View

How can i plot large data sets in SVM and show a comparison with other kernels SVM ?

I am working on ECG arrhythmia classification by using SVM , implemented some kernels tricks and using different kernels on MIT BIH dataset (features create 44187 row ,18 column matrix) now it...

04 November 2020 3,602 4 View

How to etch AA6063 tlp joined to ferritic steels?

Hi, I have a serious problem to etch AA6063 properly. I use Keller's reagent but there is no visible grain after etching using a microscope! In short times there is no effect and after a while...

28 October 2020 8,196 4 View

What are the "units" in RNA seq data processed by RSEM?

Hello! I've been using gene expression data from the TCGA, where the RNAseq is processed using RSEM. I did a few graphs such as boxplots showing the expression of different genes in normal vs...

14 October 2020 2,721 2 View

Can anyone suggest me Ramachandran Plot analysis Server of Software for pdb file ?

I used the RAMPAGE server to analyze Ramachandran Plot for PDB structure but unfortunately, their server is down now.

05 October 2020 9,312 3 View

How to Interpret Box Plot IQR?

I have a unidimensional marital satisfaction scale (Johnson, Zabriskie, & Hill, 2006) with five items. My sample was 194 married individuals, and using the data from my sample, I wanted to...

29 September 2020 6,595 3 View