Can the value of N vary for the 2 vectors while performing Spearman rho?

While working with an SPSS file which produces a Spearman analysis on a pair of column I observed that the Value of N in the output is not the same. How is that possible? If I have 2 vectors X and...

12 November 2020 8,429 3 View

Ansys Fluent UDF ?

Hi, I am doing CFD analysis of journal and partial arc bearing. And I need to apply the following Reynolds boundary condition ( Pressure Boundary Condition ) by writing UDF. P=Pa = 0 at Z=0 and...

14 September 2020 2,069 3 View

Why nodal rotational velocities are zero in *STEADY STATE TRANSPORT?

I am performing a Steady State rolling analysis of a tire using input files. I have applied rotational velocity to all the nodes in the tire by creating a set using *TRANSPORT VELOCITY. I want to...

27 July 2020 8,873 2 View

For Scanning electron microscopy based trichome analysis of the leaf samples fresh samples can be preserved?

For SEM-based analysis of trichomes (soybean plant) can we preserve the samples collected for some period of time? or after following standard fixation procedures it can be preserved under low...

01 June 2020 5,665 1 View

Is there a standard protocol for SDS-PAGE?

I have tried SDS_PAGE and native PAGE in my laboratory with a locally purchased gel casting system from MEDOX, India. I never got a clear distinct ladder even for the molecular weight marker. i...

14 April 2020 2,792 8 View

Can you please suggest some Binders for TiO2 thin film coating on glasses ?

I want to coat tio2 thin film on glass for self-cleaning applications. for an adhesive property, please suggest some binders which won't affect photocatalytic activity.

13 February 2020 5,557 4 View

How to determine the primary productivity of a grassland ecosystem?

I am looking for a reliable method to determine the productivity in grassland and forest communities.

15 January 2020 6,592 3 View

No title

This question is related with epidemic models.

18 October 2019 9,310 1 View

Suggest me some websites to solve soltrace problems for parabolic dish solar collector ?

To solve the total heat flux problem in soltrace

22 September 2019 6,093 2 View

How could silica gels be used for biomolecule separations?

I have heard people commenting on usage of silica gel for desalting or flash columns in size exclusion chromatography for biomolecules. Can anyone explain on what could be the chromatographic...

17 September 2019 3,394 5 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

Mediation path analysis - Can I run two seperate models?

I am wanting to run a serial mediation model with 2 x IVs, 2 x MVs, and 3 DPs (all continuous). Is it problematic to run 2 different models for each IV, keeping the MVs and DPs the same in each...

27 February 2021 5,681 3 View

How to prepare a thin polymer film by post-polymerization/crosslinking?

24 February 2021 2,362 5 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

How to troubleshoot Electrochromic Films and Electrochromic Devices?

I am trying to characterize an electrochromic system. The system uses ITO electrodes on glass, WO3 as the electrochromic film, and NiO as the ion storage layer. When I deposit NiO and WO3 and...

23 February 2021 9,592 2 View

Have anyone checked before Cyclic voltammograms of intial ITO substrate and E-teck?

As a beginner in electrochemistry, I tried to obtain cyclic voltamograms of commercial anatase powder deposited on an ITO substrate or on Eteck. After several attempts, I noticed that my cyclic...

23 February 2021 3,175 3 View

Physical-chemical formation of stalactites/stalagmites. what promotes the formation/growth of these structures?

I know, or think I do, the basic idea behind these natural structures, as from what I know they form due to water dripping from the top leaving a salt deposit behind. But started to wonder about...

22 February 2021 1,400 4 View

Is there a suitable way to confine cell attachment area inside a multi-well plate?

Are there any types of cylindrical cell culture inserts that are designed to confine cell seeding area? Say, if I'm using a 12 well plate (3.5 cm^2/well), but only want to seed cells in the middle...

22 February 2021 7,127 4 View

How to improve the adhesion between germanium and silicon monoxide thin film layers using EBEAM evaporation?

I want to deposit multilayer coating of germanium and silicon monoxide on silicon wafer using ebeam evaporation?

21 February 2021 2,141 3 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