Interpretation of negative values when using Dekati ELPI+?

Hi, I am currently using an Electrical Low Pressure Impactor (ELPI+) manufactured by Dekati. While using it to measure the number of particles, sometime, I encounter negative value for number of...

10 November 2017 827 0 View

Is it possible to model Aerosols in Aspen?

Is it possible to model aerosols in an absorber column in aspen? If so, how can it be done My purpose is to model the interaction of sulphuric acid aerosols present in flue gas with a solvent (to...

08 September 2017 1,469 2 View

How do I calculate the temperature rise during friction?

I would like to know if there is a way to calculate the temperature rise and hence the wear rate of two bodies in sliding contact theoretically? The data I have are contact pressure, sliding...

31 December 2014 6,398 6 View

Which software should be used for contact dynamic analysis?

11 December 2014 5,172 17 View

What is the Shear Modulus and specific heat of Molybdenum Disulphide?

What is the Shear Modulus and specific heat of MoS2? Also I would like to know other important mechanical properties of MoS2

11 December 2014 6,077 4 View

Young's Modulus of Molybdenum Disulphide (MoS2)?

08 September 2014 7,149 3 View

What are the dimensions of the Total Knee Replacement Implant?

I would like to know the Dimensions of a TKR Implant with both the femoral and the tibial part. Also reference for creating a TKR Implant on either ProE or Solidworks or Catia?

08 September 2014 7,023 4 View

What are the guidelines set by the FDA (Food and Drug Administration) for bio-compatibility of a metal?

I would like to know what are guidelines set by the FDA (USA) for the Bio-compatibility of a Metal that is in direct contact with the body (attached to the femoral bone)? Metal to be used is...

08 September 2014 9,603 1 View

How to calculate BREQ 3 questionnaire?

how to calculate BEHAVIOURAL REGULATION IN EXERCISE QUESTIONNAIRE BREQ 3 ,which contain 24 questions and each question has 5 answers (0- Strongly disagree , 1-disagree, 2- Neither agree nor...

02 March 2021 811 3 View

I am interested in medicinal chemistry field, which books are highly recommended to learn from?

I am at the beginner level in drug design and drug discovery, and I am interested to learn more about this field. Which books are highly recommended to start from and gives me all essential...

02 March 2021 8,437 2 View

Please suggest a good text book for "Research Methodology in Life Sciences". Which book would be good for PhD Scholars?

Please provide Book Title and author name

02 March 2021 9,059 3 View

Could any one guide me, to write research proposal for grant? ?

We have one plant, the local people using this for controlling blood sugar, the toxicity and antidiabetic activity of the plant is not reported yet, please guide from whag should be the process ?...

02 March 2021 2,300 1 View

Where can I find atmospheric measurement profiles (temperature, density, etc.) between 300-800 km altitude?

I am investigating thermospheric mass density profiles between 300-800 km altitude. I would like to compare the variability with other parameters, including temperature, electron content,...

01 March 2021 5,902 3 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

Is anyone familiar with the cyclic compressive fatigue testing (BS EN 12697 - 25) ?

I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...

28 February 2021 2,004 3 View

What is Flat Lens Antenna?

28 February 2021 5,433 3 View

Can impedance of antenna be less than 50 ohms?

I am simulating helix antenna in hfss, right now, giving excitation with 50 ohms port. When I see the results of Z parameter (real). It shows lower than 50 ohms. Do not understand, if it can be...

27 February 2021 4,218 7 View

How to use measure capacitance change in COMSOL time dependent study ?

I want to measure change of capacitance due to relative displacement between two parallel plates in COMSOL. Distance between two plates changes with time. So I'm using a time dependent study but...

26 February 2021 8,567 3 View