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

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

The reason that the culture of white fungi Contamination with green mold(Trichoderma), the culture autoclave at121 for 15 min. What is it?

Is the period to autoclave not enough? The inoculation in a hood and flame and UV and alcohol.

27 February 2021 9,356 3 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View

Experimental Design: How deal with pseudreplicates with immunological and clinical-chemical paramaeters?

Hello everybody, I am investigating the influence of a toxinon various clinical-chemical and haematological parameters in fish. I have three treatments (control, low dose, high dose) in my...

24 February 2021 1,243 1 View

Is is possible to pole with corona poling pellets of the sample material instead of thin films?

As it is highly probable that pellets will have a higher degree of air gaps and voids than thin films, is it possible to pole the samples with corona poling nevertheless? Or is there the...

24 February 2021 1,349 1 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

Have you ever experiencing air vent trouble in fermentation process?

Dear all, My research group is currently working with a 12-litre fermenter. Somehow, if we do the fermentation for more than 20 hours, the process will be more prone to contamination. Our current...

23 February 2021 1,908 2 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