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

Drag Loss in Aircraft?

What is the percentage of aircraft speed that is lost due to drag experienced by it? Does the drag loss vary with respect to the altitude and speed of aircraft? How do you calculate the loss of...

08 September 2015 1,849 1 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

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

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 3 View

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 3 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

How to access MSCI KLD Stats and Sustainalytics?

Hello all, I'm currently working on my undergraduate thesis and I'm having difficulties trying to access KLD Stats and Sustainalytics because my campus Airlangga University and apparently other...

02 March 2021 8,525 1 View

Ideas for Phd's Thesis on pricing (Marketing)?

Hi everyone, I'm studying Marketing and I would like to write my PhD thesis on the topic of pricing. Any specific ideas?

02 March 2021 9,706 5 View

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02 March 2021 3,060 3 View

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02 March 2021 932 1 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View