Fluid mechanics in a solid channel?

I have a fluid mechanics questions. Suppose that we a submillimeter needle that is already inserted in the soft tissue. water can run through this needle if the pump is on. suppose we turn the...

03 April 2019 7,287 3 View

What does negative shear modulus mean in Ogden fit to data?

I am fitting Ogden model to my stress-stretch ratio data (obtained from compression test). The fit looks good but the predicted shear modulus from ogden fit is negative. Does it have any meaning?...

02 March 2019 9,349 7 View

What are the properties of soft tissue at failure?

In the attached paper and all other paper in needle insertion, the people modeled the tissue using an Ogden model. While Ogden model is an "elasticity" model, and the tissue goes through failure...

02 March 2019 9,943 5 View

What are the right tissue properties in needle-tissue interaction?

I am studying the mechanics of needle-tissue interaction for steerable needles. However, I have a question regarding the tissue properties that most people used to model soft tissue. Considering...

07 August 2018 5,362 3 View

Does the pumps show pressure drop in system?

Considering that pumps create flow and not pressure, if a pump runs water through a pipe into the air (high velocity water), is it true to say that: the pressure that pump shows - atm pressure =...

04 May 2018 4,605 5 View

What is the stagnation pressure of a jet of water impinging on a solid in case of pressure loss in pipe?

suppose that we have two pipes with different diameters one after the other. the jet of water coming from the last pipe is impinging on a solid, if we have pressure drop in pipes (I have...

03 April 2018 7,611 11 View

Do i need a bi-directional load cell?

I am using a load cell at the base of the needle to measure the forces on the needle applied from the tissue that the needle is inserted into. However I also want to record data while retracting...

03 April 2018 6,183 2 View

Call for collaboration on a project

I have recently developed a closed form mathematical model for depth of cut of water-jet in soft tissue as a function of tissue parameters (toughness, and constitutive response) as well as...

01 January 1970 2,562 4 View

Publishing with intechopen

01 January 1970 3,216 11 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 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's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View