Any idea how to prepare coating with anti fouling effect/water proofing effect to be coated on polyethylene composite?

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What is the principle/mechanism behind aging of carbon (graphite) containing refractory mix for isostatically pressed refractories?

The resin bonded carbon containing refractories are aged before use. How time of aging is determined? And mechanism behind aging.

23 July 2024 3,205 0 View

When I am trying to distill triethyl amine while drying it over calcium hydride. How do I design the setup to let hydrogen escape without losing NEt3?

I am new to research. The boiling point of triethyl amine (NEt3) is 89 degrees centigrade. I am skeptical that when I will let the hydrogen escape which is getting generated in situ, I will also...

21 July 2024 7,284 4 View

Why my gel electrophoresis have shadow bands? Please see the attached picture for the gel electrophoresis ?

Sometimes I see the shadow like bands and its not true band. I want to know that what's the reason for it. I am using 2% gel for running genotyping samples I have uploaded the gel picture in both...

19 July 2024 148 6 View

What is the future scope of acoustic emission?

17 July 2024 1,510 1 View

Is the protecting group boc of the amino group stable at 37°C?

I have a small molecule reagent with a boc-protected amino group. Now the reaction needs to be reacted at 37°C for 30 h. Is this protection group stable?

12 July 2024 3,745 2 View

What are the most effective remote sensing techniques and algorithms for detecting LULC changes in rapidly urban area?

What are the most effective remote sensing techniques and algorithms for detecting and analyzing land use and land cover (LULC) changes in rapidly urbanizing areas, and how do their accuracies and...

11 July 2024 6,695 1 View

Why can't I detect the plasmon resonance angle with water?

I am trying to measure the plasmon resonance angle of gold film and pure water using the Kretschmann configuration and a 633nm laser. Without flowing water over the gold, I can detect a clear...

10 July 2024 4,719 3 View

Students are found bad at listening as they do pretty well in speaking tests as compared with listening tests? How to overcome this problem?

My attempt to promote listening was "Using Short-stories". It works fairly but there could be better options. Role of Short Stories in Developing English Listening Skill

09 July 2024 9,078 4 View

Using Homophones & Homographs is a challenging task for students. Can you please add your ideas and experiences to help them?

I have tried to resolve this issue a little bit, but eager to get your insights and thoughts to make my efforts better. Using Homophones and Homographs in ESL Classrooms

04 July 2024 6,742 3 View

Would you please share your thoughts and insights to bring reforms in 'Distance Education System'?

The contribution of "Distance Education" is immense, but still needs a lot of reforms. Universities generally adopt one another ideas and ignore the ideas of world wide scholars, distance...

04 July 2024 2,545 6 View

Adhesion strength of coating?

How can I determine a good adhesion strength range for coatings on polymer surfaces, such as DLC on polymer substrates? Is there a specific threshold for adhesion strength (from T-peel tests)...

10 August 2024 942 3 View

How do I conformally do PR spin coating on trench structure?

I did PR spin coating on trench structure. I used AZ P4620 PR and the thickness or PR is around 11um. The substrate is Si. And my trench structure depth is 141um(negative way). Even though I...

08 August 2024 2,298 0 View

Why do i have a weak plasma and no coating during rf sputtering?

I have been getting a low plasma and no coating while doing rf sputtering of copper doped ZnS using a power of 140 watts and at pressure of 6.5x10-3 Mb.

07 August 2024 4,526 4 View

What is the reason I get 400nm nanoparticles using an extruder with 200 nm membrane for cell membrane coating?

I am trying to coat my micelles and PLGA based nanoparticles with cell membrane using an Avanti mini extruder according to literature . I use 200nm membrane but my particles end up to be 400nm And...

30 July 2024 3,294 3 View

In passive sampling, can polymer-lipid partition coefficients be applied independent of environmental salinity?

For example, if low-density polyethylene (LDPE) is equilibrated with PCB contaminated marine and freshwater sediments, can LDPE-lipid partition coefficients be used to obtain equilibrium...

28 July 2024 263 1 View

Can you recommend provider Intermediate laboratory test for hydrocarbon, polyethylene & polypropylene?

Accredited laboratory of JV "Uz-Kor Gas Chemical" LLC (Uzbekistan) is looking for providers to conduct interlaboratory comparison tests on gas chromatographic analysis of hydrocarbons (component...

25 July 2024 8,108 0 View

What is the main used curing agent for epoxy based coating?

I am trying to coating metal oxide into steel substrate, for better sticking planning to utilse epoxy based, Could you please suggest suitable curing agent for the coating purpose

25 July 2024 438 3 View

How do you get pure primary macrophage cell culture?

I have been harvesting monocyte-derived macrophages from buffalo and cattle fresh whole blood using the same protocol for years and getting good macrophage cultures. Below is the protocol that I...

23 July 2024 4,074 2 View

VOC analysis on GCMS ?

Hi everyone, Can someone explain for me a method to inject VOC collected with Tedlar bag from pyrolysis process and transfer or inject into GCMS. Thanks

22 July 2024 6,398 1 View

Issues in coating of cathode material on Al foil, why we are not getting proper coating and results when the cathode was coated on Al-foil..?

We are trying to coat some cathode materials on Al-foil ( ex - LiFePO4 , S@CNT, etc). When we coated the Al foil with the cathode (ex - S@CNT) material , the cycling result was annoying. But the...

09 July 2024 5,123 4 View