I have a database with IP addresses, and I want to clean it by removing those from outside the U.S. Is there an easy and free way to do this?

A paper on a fossil lycopod?

Dear all, Does anybody have a pdf of this paper? Wood, G.R. and Beeston, J.W., 1986. A late Permian lycopod cone Skilliostrobus sp. cf. S. australis Ash 1979 from Queensland. Geological Survey of...

07 August 2024 4,857 2 View

How to increase protein lysate concentration?

I am trying to prepare samples for IP. The pellet size is good and I am using 1% Tx-100 and using a syringe to further lyse the cells and maintain protein-protein interactions. I keep having a...

01 August 2024 7,199 1 View

I am looking for the permission to use the OLBI survey. Does anyone know where I can obtain that information?

I have reached out to the original creator Dr. Demerouti but have had no luck with a response. I am completing my IRB form and need the information or permission by tomorrow. I know short notice,...

29 July 2024 3,684 0 View

How do we pick data for determination of Validation Acceptance Criteria?

Hello, colleagues! There is commenting open for new upcoming edition of USP 1033. Validation target acceptance criteria is now different from what it used to be and it doesn't include Cpm....

23 July 2024 7,292 3 View

I'm conducting a study on Research Commercialization in Pakistani HEIs and would appreciate your participation in a brief survey?

Dear Participants- Faculty and Researchers from Pakistani Higher Education Institutions, Thank you for participating in research study that aims to 'Analyze Individual and Institutional Factors...

18 July 2024 7,024 1 View

Why does total carboydrate content decrease when increasing the vacuum degree?

I have conducted a survey on the "effect of vacuum drying conditions on carbohydrate content of angelica.S". The result show that, when increasing the vacuum degree, the carbohydrate content first...

13 July 2024 592 1 View

My Research Survey Question ?

I am pleased to extend an invitation to experts in the fields of Cybersecurity, Computer Science, Computer and Electronics Engineering, Mathematics, and Operations Research to review and provide...

04 July 2024 6,132 0 View

How to adjust the survey weights for non-response rate in a stratified random sample design?

Thank you in advance for your support. We conducted a stratified random survey in 13 strata and obtained a sample size for each stratum. At the time of the survey we had a variable...

01 July 2024 281 3 View

Posting a research survey ?

Hi i want to post this in various groups, how do i do that ? hey, please do my survey when you get the chance, it will take 15 minutes tops x I am looking for UK secondary school teachers to...

30 June 2024 9,594 2 View

How do you think about omni-channel marketing?

Hello everyone! I'm conducting a study on how people choose between different shopping channels in today's omnichannel retail environment, and I need your input! Whether you prefer shopping...

26 June 2024 5,275 0 View