Could you please give advice for ''heating mantle-thermocouple-temprature controller''?

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How to make Boehm titration ?

Hello Everyone, While doing Boehm titration, We use nahco3 in order to determine carboxylic acids. Then the mixture was agitated. After a while, the solution was filtred and HCl was added. After a...

29 July 2024 4,048 4 View

How Can I Apply Hashin Damage Properties to Solid Elements in Abaqus Without Using VUMAT?

Sure, here is the translation: I have a 3D orthogonal woven composite structure where warp, weft, and binder yarns are oriented in three directions. After modeling these yarns and the matrix in...

28 July 2024 8,169 0 View

Are there different databases similar to the Zinc database or how can I solve this problem in the Zinc database?

We were using the Zinc database for the virtual compound library in our studies, but there have been problems downloading a large number of compounds for a while. Are there different databases...

30 June 2024 8,144 1 View

How to make cost estimation analysis?

Hello there, in some articles they only analyze cost estimation based on the purchase price of the chemical, but this is not a realistic approach. in fact, the analyses we do are laboratory scale...

10 April 2024 2,545 4 View

How to measure UV intensity?

Hello Does anyone know a different way to measure UV intensity without a radiometer? I would be grateful if you could help me with this.

26 March 2024 1,358 2 View

What should I do to make the packaging film difficult to dissolve in water?

Hello Everyone, I am researching food packaging film and prefer not to use epichlorhydrin and glutaraldehyde. For this, I have been reading articles using Cacl2 and swelling experiments. ....

14 November 2023 1,116 0 View

design expert optimization problem?

Hello Everyone, I would like to ask a question about optimization of desin expert. When using the design expertt programme, ı would like to reduce the duration of the wound for the wound...

29 September 2023 9,402 0 View

How do I analyze the data from a sociability and preference for social novelty (SPSN) test?

I ran a sociability and preference for social novelty experiment with mice for my thesis. The setup consisted of a long, rectangular box with 3 chambers separated by glass walls. The test mouse...

27 July 2023 1,146 3 View

Why do my cells detach from Transwells?

Dear all, For my last two experiments, my supposedly endothelial cells (differentiated from bone marrow-derived mesenchymal stem cells, at passage ~35) have detached from Transwell inserts 1-2...

23 July 2023 4,492 0 View

What is one of the most important technical consideration of the field of instructional design and educational technology?

The field of instructional design and educational technology encompasses a wide range of technical considerations, but what do you think is the most important one? Could it be the selection and...

25 May 2023 2,502 2 View

Can you connect an HPLC to a Mass Spec only at a certain time point?

Can anyone explain this method? Especially the last statement where it says only at 1.5 to 2.5mins was the MS/MS connected to the UPLC. How is that possible, is it a feature in this specific...

11 August 2024 8,141 3 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

Hello all, Looking for international reviewer to review Ph.D thesis in wireless sensor network.Can anybody help?

My name is Apurva Saoji. I am a Ph.D scholar in Computer engineering in India. I am looking for international expert in reviewing my PhD thesis, "Competitive Optimization Techniques to Minimize...

07 August 2024 4,600 2 View

Separation of organic acids-HPLC?

Hello What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.

07 August 2024 8,782 3 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

RNA later for the preservation of RNA in fecal samples at room temperature for one day (37°C)?

I am planning to collect human fecal samples for metatranscriptomic analysis using MGI. These samples are from indigenous people living in a region with high temperatures. I will have access to a...

06 August 2024 1,367 3 View

How to understand this crystallographic phenomenon of low temperature crystals in zeolite?

During low-temperature testing, new diffraction peaks that appear could be indicative of several phenomena. In one of our tests, we observed notable new peaks around 40° and 45° in a specific...

06 August 2024 726 3 View

Research Methodology - Impact of Corporate Reputation on Stakeholders Behaviors?

Please can anyone support with the survey questions based on RQ measures and propose how to do it in FMCG industry and include as well the role of brand equity Thanks

06 August 2024 949 0 View

Anyone having idea about VN primer for miRNA primer design ?

How to design VN primer to attach with universal reverse primer

05 August 2024 2,116 3 View