Which part of hip or knee implants has more significance in terms of wear resistance?

I wanna investigate wear resistance of a part of some implant that need high wear resistance, but I don't khow which part has more need..

06 January 2019 977 3 View

Which part of clinical implants has less wear resistance? And also which materials of implants has poor tribologic traits?

I want to improve the wear resistance of a clinical implant that its tribologic properties are significant. but I don't know precisely which implant has poor wear resistance

02 January 2019 4,931 3 View

What is the number of distinct (up to isomorphism) elliptic curves over Fq in the family?

As we know, an elliptic curve defined over Fq with a rational 2-torsion subgroup can be expressed in the special form (up to twists). Accordingly a natural question arises about the number of...

09 September 2016 5,729 3 View

How can I design an ingeniously hydrothermal synthesis of CuS/rGO?

In published papers, researchers investigate the synthesis with changing the amount of GO or solvent and things like this. I need a different way to design my experiment. have you any idea?

01 August 2016 9,457 3 View

No title

14 July 2016 3,641 1 View

How can I give an octahedron box in gromacs, prefered dimension ?

Hi all I have almost use the following command to give dimension to membrane, which is octahedron ! gmx editconf -f *.gro -o *-box.gro -bt octahedron -d 1.0 -c Now I `m trying to give a right...

05 June 2016 1,981 2 View

Is there a HER2-negative and ER positive breast cancer cell line that can be used in mice?

Is there a HER2-negative and ER positive breast cancer cell line that can be used in mice?

04 June 2016 5,547 3 View

How can I identify a hysteresis system ?

Hi everyone, I want to identify linear model for a pneumatic proportional valve that has hysteresis behavior. I split region of system to 9 sub-regions and apply a PRBS as input of system for...

27 December 2014 6,381 8 View

How can I design a back stepping controller?

Hi everybody, How can I design a back stepping controller for this system? h1 and h2 are states of the system and q is the input. Because, in Khalil's book, design is said for specific type of...

25 December 2014 7,551 7 View

Who has the protocol honeybee (Apis mellifera) DNA extraction?

DNA extraction

15 December 2013 5,937 3 View

Which is the most efficient etching solution for nickel based alloys?

Which solution reveals the microstructure and features of nickel-based alloys?

02 March 2021 2,221 3 View

What thickness need for ITO to use as conductive layer?

I want to do RF sputtering of ITO on glass substrate using magnetron sputtering. what thickness do i need to make it good conductive layer to use it for PSC. Moreover, whats about thickness of...

01 March 2021 395 3 View

Glass fiber content in a gypsum board ?

Any idea on how to get the volumic ratio of glass fiber in a gypsum board ? Thank you for your help !

01 March 2021 2,501 3 View

Concrete compressive strength databases?

I am looking for datasets similar to this one: http://archive.ics.uci.edu/ml/datasets/Concrete+Compressive+Strength I am looking for concretes with different types of aggregates (Recycled,...

27 February 2021 6,801 3 View

How to properly calculate the fluid solid heat transfer between polypropylene matrix and glass fiber in a porous medium?

I'm building a cfx model of thermoplastic pultrusion process on ansys and i have a doubt on how is the proper way to set this parameter in a porous medium

24 February 2021 1,915 1 View

How can I selectively dry etch Ti on a polymer substrate?

24 February 2021 5,378 1 View

How to properly calculate Interfacial area density in a porous domain?which are possible value for glass fiber?

I'm doing a cfx simulation of a multiphase flow in pultrusion and i set the Interfacial Area density in the heat exchange of a porous medium in this way IAD=Total fiber lateral surface of fiber...

23 February 2021 6,043 1 View

How can I measure the thickness of thin layers deposited on textured glass susbtrates?

I want to measure the thickness of aluminum oxide and titanium oxide layers deposited on textured glass substates. The layer thicknesses are typically below 100nm.

21 February 2021 5,465 4 View

What is the best etching method for Mg-Ca alloy?

I have used Picral etchant (4.2 g Picric acid, 10 mL Acetic acid, 70 mL Ethanol, 10 mL distilled water) but it didn't work. Is there any alternative?

21 February 2021 2,558 5 View

How can I measure the surface interaction or surface interfacial chemistry between polishing abrasives and upper surface of substrate ?

I am working on polishing abrasives. I need to do few characterizations ? which can provide the on time surface chemistry of substrate with polishing abrasive during optical polishing. I would...

18 February 2021 5,319 3 View