1H NMR of alkoxides in CD2Cl2?

Hello! I am planning to get an alkoxide which should be potentially soluble in CH2Cl2. Do you think it is okay to use CD2Cl2 to get an NMR spectrum of the alkoxide? I am wondering if RO- anion...

25 November 2020 1,819 1 View

Arrays in VBA errors?

Colleagues, I wrote a function in VBA to calculate the values of a two-dimensional array. The principle of operation (I want to) is as follows: 1. The values entered were read and written in a...

09 June 2020 7,690 3 View

How can I use Kramers-Kronig rel. to reflectance spectrum to receive the absorbance spectrum?

Hello everyone! I'm in trouble now. I've faced a problem that I can't solve. I need to receive the absorbance spectrum from the reflectance spectrum using KK in matlab, and I'm having some...

19 February 2020 6,154 3 View

Any literature on Pakistani military ideology?

Dear colleagues! Could you name some useful articles and / or books on the ideological and political development of the Pakistani armed forces, especially on the role of India in the process ? How...

25 January 2020 3,423 3 View

Help with VBA code for Gauss elimination?

Colleagues, I wrote VBA code for function of Gauss elimination (in attached files). But I can't launch this function in Excel. I can't find it by her name in line for function's input. Could...

19 January 2020 5,155 5 View

Is there any authomatic devise or method to measure a resistance from temperature dependence in semiconductors (VO2)?

For now, the method we use to measure resistance from temperature dependence in vanadium dioxide (VO2) is really slow: you need to look at oscilloscope and thermometer and write down the numbers...

28 June 2019 4,107 3 View

Any books on the cartography of the British Empire?

Dear colleagues! Would you kindly name books or maybe articles on the history of the cartography of the British Empire and / or spatial perceptions in it? How the British created maps of their...

06 March 2018 7,662 3 View

Are there any theoretical or experimental data about the low-temperature specific heat of paramagnetic solids with dipolar (not exchange) interaction?

The Schottky anomaly is well-studied, but it exists in ideal systems without interactions. What is the dependence of specific heat on temperature, if the spin-spin interaction is significant? I've...

18 March 2016 6,766 2 View

Does anyone have primers for m2rtTA for mice genotyping?

I need a sequence of primers pair for mice genotyping, thank you.

28 March 2015 766 2 View

Protocol for micro chromatin Immunoprecipitation?

29 November 2014 6,051 2 View

Hello fellow researcher .. What is the meaning of your name?

I would like to create a small guide containing the meanings of the names .. Thanks to everyone who cooperates with me in achieving it.

03 March 2021 5,266 4 View

What test should i use in comparing the correlation between categorical and continuous variables?

Dear all, I have the variable (Surgery duration) represented by values in minutes and the variable (preoperative neuropraxia cases) represented as (Yes/No) values. I want to compare these two...

03 March 2021 5,427 5 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

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

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Where can I find life cycle inventory or assessment of non woven materials?

Dear network, I am looking for the LCA or LCI or at least the energy balances of the non woven fabrics process for my master project, in specific for natural fibers, yet I have found...

02 March 2021 9,662 1 View

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01 March 2021 3,905 5 View

Which group formation theory do you recommend for projects that aim to bring together entrepreneurs for training for regional development?

I would like to have ideas about which theories of group formation are suitable for entrepreneurial training projects, with the aim of creating bonds, building trust, and collaboration for...

28 February 2021 4,223 2 View

Necessary tube lenght to cool Natural gas in a dry-ice cooling bath?

I have a tank which contains natural gas at 250 Bar and 293 Kelvin. I want to cool the gas in a dry-ice cooling bath to about 195 Kelvin. The gas will flow in a copper-tube through the bath with a...

27 February 2021 8,128 1 View

What is the most common number of epitopes in an multi-epitope Vaccine?

hi everyone, I'm interested in the field of vaccine design specifically multi-epitope cancer vaccines , I want to know if there is a minimum and maximum number of epitopes we could use in a...

27 February 2021 3,882 3 View