Is the heat treatment in open atmosphere an effective method for decrease carbon on surface graphitic cast iron?

The target is removing or decreasing free carbon on the external surface of gray and ductile iron.

09 August 2020 612 2 View

I want an open source FDTD for SAR signal correction due to propagation in ionosphere?

SAR signal processing software or matlab code for SAR signal processing specially for SAR signal corrections due to propagation in ionosphere

26 March 2020 5,855 3 View

Why Researchers Dissolve Sodium Azide in Phosphate Buffer (0.1M) in mutagenasis?

Really i have three questions, if i can get answers about it! 1- First One, Usually researchers used Sodium Azide with concentrations (1-5 mM or 0.01-0.1%) with long time (15-20 hour) on pH=7, or...

07 October 2019 9,045 2 View

How can I store stool specimen for Molecular diagnosis for human parasites Is there a difference of storing for PCR or real PCR or multiplex ?

Molecular stool

08 January 2019 8,186 3 View

What is the best product size of SYBR Green Real-Time PCR to amplify c-DNA?

04 August 2016 2,127 9 View

Does SAHA or 5-aza increase the expression of housekeeing genes?

Hi all, I used ELISA for analyzing the expression of specific protein with treatment of epigentic modifiers (SAHA or 5aza). And I found that the expression of GAPDH became increased with treatment...

23 July 2016 9,193 1 View

Drop-out rate in observational /longitudinal studies !

What is the best/ common method to estimate dropout rate in community base studies?What is the best method for Adjusting Sample Size for Anticipated Dropouts in cross sectional studies?

16 April 2016 1,498 5 View

Why add AMPure beads to DNA with adaptor in RAD Seq.?

i work on tomato genome with RAD Seq. and i want to know why we have to add AMPure beads to DNA

17 March 2016 4,698 3 View

How can I perform CCA (Canonical Correspondence analysis) with shading each locality on the CCA chart by means of CANOCO 4.5?

18 September 2015 4,485 2 View

Why I get a blank signal on western blot?

Hi, I am new to western blotting and so facing the problem of blank blots. i want to assess the expression of two membrane bound proteins, 45 & 74 KD, in rat heart tissue. My tissue samples...

07 September 2015 9,903 13 View

Can I do two kinds of mixed method in explanatory research?

Dear distinguish professors and scholars, I have a research in measuring two kinds: think tank capacity and research impact on policy. Can I do two kinds of mixed methods in order to find, "Is...

20 February 2021 6,897 1 View

Can I follow Researchers from Teaching and testing areas?

I want Researchers from Educational Measurement and Evaluation, relating to teaching, learning , academic performance and test validation

18 February 2021 4,757 13 View

What are your alternative data collection methods during the pandemic? What are the pros and cons?

Dear colleagues We are exploring possible data collection methods for environment and behavior research in the context of architectural environments. Have you conducted any Post Occupancy...

16 February 2021 2,575 4 View

What non-parametric alternative can I use for a repeated-measures ANOVA for 2 groups and 2 timepoints?

Hello, I have a question regarding non-parametric alternatives for a RM-ANOVA. In my study I had two groups that were measured on two timepoints (pre-post measurements only). I was planning to...

11 February 2021 8,599 7 View

R/Python package for time-intensity or progressive profiling in sensory evaluation?

Hi I've been looking for a stat package for my sensory evaluation data (progressive profiled which is a multi-timepoint version of descriptive analysis). Is there any available one to...

08 February 2021 9,170 3 View

How is it possible to rank variables using Likert scale?

Hello Everyone, I have a questionnaire of a 3-point Likert scale for an overall evaluation for a service, and several detailed attributes evaluation of that service. For example: Overall...

31 January 2021 9,612 8 View

How did the tests or exams get to Latin America, specifically the written tests?

I am looking for some bibliographic references that explain how tests or exams (measurement and assessment in education) came to Latin America, specifically written tests. I would like to know if...

13 January 2021 8,607 0 View

Suggest best performance evaluation metrics for image segmentation?

Good morning everyone. As a part of my research work, I designed a network that extracts the leaf region from the real field images. when I search about performance evaluation metrics for the...

10 January 2021 9,581 30 View

Search for article DOI: 10.1007/978-981-15-6463-5_57 ?

Have been looking for the following article: Review of Experimental Techniques for Evaluating Unsaturated Shear Strength of Soil. In book: Advances in Civil Engineering and Infrastructural...

04 January 2021 9,780 4 View

Can you suggest Standard vocabulary for characterizing research and development initiatives (project,program,policy,networks) and their performance?

I am doing text mining on the performance on research for development interventions in low income countries. I need some standard dictionaries and typologies to map the content of the paper in a...

31 December 2020 5,329 4 View