Is it correct to identify an air mouvement by the Venturi effect in buildings ?

Knowing that the Venturi effect is used most in tubes (according to my basic knowledge in physics) to increase the speed of air or liquids by reducing the tube volume, my question is if we have...

17 February 2021 1,260 1 View

What are the properties or phenomena that contribute to the compressive strength of: cement paste, standardized mortar, and concrete?

What are the properties or phenomena that contribute to the compressive strength of the following mixtures: cement paste, standardized mortar, and concrete?

07 April 2019 891 4 View

Using the same type of cement, are the compressive strengths of cement paste, standardized mortar, and concrete close ?

Using the same type of cement, are the compressive strengths of cement paste, standardized mortar, and concrete close ?

07 April 2019 2,169 5 View

How to calibrate SDE 1024 spatial light modulator?

Please, can anyone explain me how to do the SDE1024 (saptial light modulator) calibration?

10 January 2019 548 5 View

Is there any data set or sites that offer car accident or traffic data which include information about the automatic speed control car system?

Number of the studies discusses the role of information technology in the prevention of car accidents in order to reduce the number of accidents through data analysis and to find effective...

28 September 2017 7,927 3 View

Hello, i have the baseline less than zero ?

27 September 2017 670 4 View

Yellow floating mass in cell cultures

Hello, We have just started growing cryopreserved primary human epithelial keratinocytes provided from Thermo Fisher, and three days after culture initiation we noticed a yellow floating mass in...

31 July 2017 148 3 View

Is the use of tafel curves valid for a coated metal substrate?

Comparison of the anticorrosion performances in NaCl solution of aluminum alloy samples coated with organosilane films

15 June 2017 6,817 3 View

How can I confirmed the contamination of the ion source in GCMSD Agilent technology?

hello, I want to know, how can I confirmed the contamination of the ion source in GCMSD Agilent technology

29 February 2016 8,163 5 View

Hello everyone I look for a purification protocol of DNA primer by HPLC

Hello everyone I look for a purification protocol of DNA primer by HPLC after being synthesized by a oligosynthetiseur Thank you

02 February 2016 7,146 3 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What is the status of bread making and more bakery foods with the use of insect flour/powder?

Insects have been consumed by human diet since prehistoric times. At present, the idea of looking at insects as food has been getting traction worldwide, also in response to increasing food...

03 March 2021 6,223 5 View

Does any one know how i can prepare liver tissue with transmission electron microscope with good fixation?

i have problem in preparation of liver tissue with bad cell organelles and how i can adjust osmolarity

03 March 2021 8,890 1 View

How to simultaneously perform multiple biochemical assays?

I am a research scholar working on heavy metal stress on plants. I will be doing biochemical characterisation( protein, carbohydrate, proline, antioxidant enzymes and many more assays) at interval...

01 March 2021 6,999 3 View

How to compare 2 samples recruited with different sampling methods?

If I want to compare characteristics of 2 groups of patients, one group is recruited from a random sample of the general public while another group is from a sample with a fixed gender (male to...

26 February 2021 3,526 3 View

Calculating volume of DNA required from DNA concentration?

Hi I am a bit confused. They are asking me to find out the volume of DNA required in ul (a total of 30-100 ng for genomic DNA) from the DNA concentration in the nanodrop reading which was 404.8...

26 February 2021 5,029 2 View

Any references about insects or animals that can damage or weathering of rock or fossil material?

Are there any references to insects or animals that can cause damage or weathering to the rock or fossil material? books or paper that would be nice. Thank you very much!

24 February 2021 6,805 3 View

Please help in identification of this insect?

This insect is minute in size around 1 mm and not clearly visible with naked eye.

22 February 2021 5,907 11 View

Do you consider undergoing a structure literature review / Meta analysis and getting numerical findings sort of quantitative method?

I am looking for a classification of the research methods included in literature review papers or Meta analysis ones .

22 February 2021 1,131 4 View

Can I do two kinds of mixed method in explanatory research?

Dear distinguish professors and scholars, I have a research in measuring two kinds: think tank capacity and research impact on policy. Can I do two kinds of mixed methods in order to find, "Is...

20 February 2021 6,897 1 View