Resistivity of PVD TiNx thin films vs. N2 flow?

In the PVD of TiN thin films (~100A), I've found the resistivity of the TiN films dropped from ~100 to 60um*cm with N2 flow increasing up to the metallic mode ending point; then the resistivity...

21 February 2021 1,864 2 View

How to prepare protein samples in EMSA assay?

Recently l was studying EMSA assay, but l didn't find any detailed information about protein sample. we can use two kinds of protein, including crude protein extracts and recombinant proteins. but...

02 February 2021 10,047 3 View

Do you have some articles to recommend about comparative experimental study about gas and water flooding with oil reservoirs?

I would like to know in the oil extraction, which is more efficient: gas flooding or water flooding? Will water flooding be more efficient in hydrophilic reservoirs with capillary...

29 December 2020 3,471 3 View

What does this PZC data mean?

I measured different kinds of catalysts which were dispersed in DI water.I firstly added certain amount of HCl and then used NaOH to titrate and measure the pH value. What does this result mean?

27 December 2020 5,728 4 View

How to inhibit the ion conversion between Mn4 + and MN2 +?

Dear scientists, I have a question to ask you, it is known that Mn4+ is beneficial to the soil, but part of Mn4+ in the soil is easy to be converted to MN2 +, is there any way to inhibit its ion...

21 November 2020 1,200 5 View

Failure in using Gene Pulser Xcell (Biorad) ?

02 October 2020 8,642 1 View

Hi everyone, how can we remove the snow-covered areas in global scale?

We obtained the global results using remote sensing reanalysis dataset. But the snow-coverd areas should be removed (like the blank area in the picture below, sources: Purdy et al., 2016). Does...

20 September 2020 3,463 5 View

How to tranfect PMA-treated THP-1 cells?

I differentiated THP-1 cells to macrophages using PMA(100ng/ml) and then used lentivirus to deliver shRNA to knockdown my target genes. Unfortunately, it was too difficult to be transfected...

16 August 2020 5,073 3 View

How to set the fluent simulation species transport density item?

I use fluent to simulate species transport. The medium is sulfur hexafluoride and air. There is a density item under the mixture, and there is also under the fluid. Is there any difference between...

29 July 2020 7,414 4 View

How to detect brown pigments generated in red wine aging process ?

During aging or storage, the concentration of monomeric anthocyanins decreases rapidly, while low level of polymeric anthocyanins generates, and the color of wine turns brick-red gradually. In...

17 July 2020 6,032 4 View

Is there any published or unpublished statistics on dropout rate (Dose1 to Dose-2) for Covid-19 vaccination in India, US, UK or any other country?

Are there any published or unpublished statistics or papers on the dropout rate (Dose1 to Dose-2) for Covid-19 vaccination in India, USA, UK, or any other country where vaccination has started at...

28 February 2021 4,237 1 View

What is the best and affordable method to make and distribute a survey?

What is the best and affordable method for higher education student to build and distribute a survey in the United States of America with consideration of the following points: There are no...

23 January 2021 9,342 2 View

In this winter, the trend of death and infection rate due to covid-19 in Bangladesh is much lower than USA or other 1st world countires, why?

According to the opinions of experts the casualties caused by covid-19 would suppose to be increased in winter. Similar trend is seen in the case of USA and other 1st world countries....

14 January 2021 2,146 2 View

Are there only winners in the world of exism?

BREXISM finally is over and they got a trade deal with europe now, but exism left the UK poorer according to the news Brexit is finally done. It will leave the UK...

23 December 2020 4,071 6 View

How is chemistry taught in schools in the United States?

How is chemistry taught in schools in the United States? A comparative study of high school chemistry education

10 December 2020 9,972 3 View

Can consensus metal price forecast be effectively used in the mining industry?

At the beginning of 2017, Donald Trump was about to be inaugurated as the next United States president. In anticipation of President Trump's policy changes in the United States, with possible...

28 October 2020 243 1 View

Cann you fix my institutional affiliation?

I am told my articles since May 2008 are listed by RG as "Salem State University." That is incorrect. All of the articles since May 2008 should be listed for "Salem University." I have never...

27 October 2020 811 6 View

Is Cucujus clavipes (Coleoptera: Cucujidae) legaly protected or included in the Red Data List/Book in any state of the USA or Canada?

Most (especially European and Asiatic) Cucujus species (Coleoptera: Cucujidae) are known as rare or threatened or even endangered. Is the same situation in case of the American Cucujus clavipes...

15 September 2020 9,190 4 View

The United States, China, and Thucydides Trap: Do you think there will be a war between China and the United States?

I think both countries are going to adopt solution, as the main reason for adopting the solution is obvious: nuclear deterrence - every nuclear power has the power to annihilate humanity. So it's...

07 September 2020 7,835 19 View

Europe could control the spread of Corona whereas USA almost failed to do that with several peaks? What do you think?

COVID-19 took its devastating form in Europe and USA since the last week March. Then after the April, EU countries could manage the spread but USA could not and already exposed with several peaks....

23 June 2020 7,284 15 View