In the cosmological equation, what is the relationship between vacuum energy and cosmological constant?

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In PRIMER, is it possible to downweight certain taxa in multivariate community datasets to reflect uncertainty around identification??

I have a dataset with about 80 different species. As usual, some species are very easy to identify with certainty whereas others are more difficult, which means that I am less certain of my...

03 March 2021 8,066 4 View

How to get onecolumn document from standard IEEE ACCESS LateX template?

I have prepared a manuscript in IEEE Latex template, but for some purpose, I need to prepare a word file as well (detailed format is not required). Compared to two column .tex file, one column...

02 March 2021 1,830 3 View

Gel electrophoresis result for total RNA samples, 1.5 Agarose gel was used, How to improve the integrity of RNA?

Gel electrophoresis, RNA degradation, RNA extraction from fresh tissue

02 March 2021 5,433 5 View

How to grow E.coli on the low salt LB agar plate with 50 or 100ug/ml of Blasticidin?

Hello, I would like to ask how to grow E.coli which resists 50 or 100ug/ml of Blasticidin. I have tried many methods by using low salt Luria-Bertain(LB) agar plate. However, no colonies grow. Let...

01 March 2021 2,027 2 View

OpenBCI eeg--has anyone used them?

I'm looking to try out an off-the-shelf EEG set for some exploratory work. Curious if anyone has used the OpenBCI, and how much set-up work is required. I've heard they are more difficult to get...

01 March 2021 4,128 3 View

How to remove DCU and HOBT from my reaction?

I am doing a acid and a chiral amino alcohol reaction using DCC and HOBT in DCM or THF? Can anyone suggest me how to remove DCU and HOBT from a reaction mixture??

28 February 2021 2,153 1 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

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

B-mercaptoethanol (BME) protocol?

Hi everybody, I have been running a multiplex IHC which allow me to stain the same tissue with different markers (Primary Ab + Secondary conjugated Ab) (AF487, AF555, AF647). Since I would like to...

27 February 2021 5,028 2 View

How to model Supercritical water gasification (SCWG) process in Homer software?

Hi everyone How to model Supercritical water gasification (SCWG) process in Homer software?

25 February 2021 4,075 1 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View

Are there any candidates for an Einstein's bare cosmological constant?

It is commonly accepted that General Relativity has its own 'bare' cosmological constant that contributes together with the cosmological constant resulting from vacuum energy density for an...

23 February 2021 5,448 8 View

Small displacement measurement in vacuum?

Hello, I have a question. there is a circular thin foil which vibrates in vacuum, the foil restricted and moves up and down. it is like a diaphragm between two pipes . both sides are in vacuum but...

18 February 2021 8,075 3 View

Functionality on MWCNT can possible without using vacuum oven?

I want to synthesis functional MWCNT from pristine MWCNT using acid treatment but I haven't vacuum oven for drying but I have a normal hot air oven. So may it possible to use hot air oven for...

02 February 2021 8,475 3 View

How can I model a vacuum region between a concentric tube in Ansys fluent?

I am modeling a double pipe (concentric tube) in Ansys Fluent. The center tube contains nanofluid, and the region between the pipes is a vacuum zone. The outer tube is used for reducing convection...

22 January 2021 2,781 3 View

How to use triflic acid under vacuum in liquid nitrogen?

Hi all, I need to make stock solution of TFA(triflic acid) in dry dcm for ring opening polymerization. Is it possible to place TFA in liquid nitrogen, and while is in liquid nitrogen vacuum the...

11 January 2021 9,108 1 View

Why is PVDF splashing and bursting under vacuum ?

I prepared PVDF in a very regular way by dissolving it with stirring at room temperature but when i placed it in vacuum for eliminating the bubbles and trapped gases it started to burst and...

09 January 2021 3,965 3 View

While I'm running energy minimization in vacuum using gromacs i got an error. can anyone solve this error?, i have set the emtol as 10?

"Steepest Descents converged to machine precision in ,5780 steps but did not reach the requested Fmax

26 December 2020 1,352 3 View

How to simply increase the inert atmosphere pressure in tube furnace?

I have been setting up the tube furnace to work with inert atmosphere, i.e. H2 and N2 in order to anneal the iron-based metallic powders. The furnace is equipped with vacuum pump as well. The...

18 December 2020 4,006 2 View

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The New Science of Cryodynamics and Its Connection to Cosmology https://wpmedia.wolfram.com/uploads/sites/13/2018/02/20-2-3.pdf This was ten years ago. He was born in 1931.

06 December 2020 3,403 3 View