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

Is there an open source free software for text mining and sentiment analysis?

I am looking for a free software for text mining and sentiment analysis for my research on customer review mining (it involves calculating polarity of attributes,opinion oriented information...

25 February 2021 1,920 6 View

How can we theoretically calculate Elemental analysis(percentage) of atoms in covalent organic framework?

For example in one research article the Elemental analysis values of COF-TpPa-1 ( Triformylphloroglucinol (Tp) (63 mg, 0.3 mmol), Paraphenylenediamine (Pa-1) (48 mg, 0.45 mmol) are as follows...

24 February 2021 1,265 6 View

What does it require to be ready for e-Commerce in developing countries?

Most developing countries are not ready for e-Commerce? What dimensions and indicators are there to measure e-commerce readiness of a nation? Please share framework or model and evaluation...

22 February 2021 8,132 6 View

How to select therorical or conceptual framework for any proposed qualitative research work?

Hi, I am conducting an exploratory research with qualitative in-depth interview approach to understand the impact of COVID_19 in health systems response to burn care in India. Since, this is a...

19 February 2021 4,562 4 View

When to use different framework?

Hi, can I use both conceptual framework and theoretical framework in my systematic review? My future study plan is to use a theory. In this situation for my systematic review should I use both or...

18 February 2021 9,581 2 View

Why jupyter editor gives different results ?

dear community, for my project i'am using anaconda jupyter lab , for the same lines of code using same editor , just after clicking on restart kernel and clear all data im getting different...

26 January 2021 294 7 View

Can someone please better inform me about the correct methodology to use when conducting a literature based dissertation?

My dissertation is solely based on existing literature. I aim to review existing literature and then implement a conceptual framework to improve/solve the problem. The topic is Diversity and...

14 January 2021 148 4 View

How to illustrate FE Panel Regression with LSDV in a research framework?

First time to use FE Panel Data Regression using LSDV, and not familiar with how to illustrate it in a research framework. We have regional CSR score as IV and Social Development ( four areas:...

14 January 2021 580 3 View

How do I organize items to repeated surveys for quantitative and qualitative analysis?

Hello fellow researchers! Newbie here :) I created a survey with open-ended and Likert-type questions. The survey was administered nine times to the same people using google forms. I plan to...

01 January 2021 3,921 3 View

What is the appropriate number of themes in a 2-part study when conducting a thematic analysis?

We have carried out in-depth interviews of participants during and after the COVID-19 lockdown in India. We are using thematic analysis to understand people's experiences. At the moment, we are...

12 December 2020 8,580 11 View