By which mechanism does potassium hyrdoxide works as an activator in the preparation of activated carbon?

Activated carbon is prepared from biomass using KOH as the activating agent. What is the possible reaction between KOH and the biomass?

14 February 2021 8,095 4 View

What Statistical test do you suggest for hydrologic data series?

Hi everyone I want to apply different probability distributions to series of maximum 24 hour precipitation data, maximun and low flows, , for 100 un-gauge stations in Colombia. After I want to...

09 April 2019 8,386 5 View

I am looking for Bell Lysaker Emotion Recognition Task (BLERT), someone know how to find it?

We are working in emotional recognition of pre-symptomatic patients with Huntington's disease. We have read about the Bell Lysaker Emotion Recognition Task (BLERT) and its strong psychometric...

26 May 2018 8,641 2 View

I am having much lower current density in mp-TiO perovskite devices comparing with the Al2O3 made ? What can I do?

Hi I am fabricating mp-TiO2 Perovskite solar cells (Glass/ftO/bl-TiO(50 nm)/mp-TiO/CH3NH3PbI3-XClx/Spiro/Au), but I am getting low current density (10 mA cm-2), Voc is 0.74 V and FF is 0.55. I was...

16 May 2016 7,375 5 View

At the moment of the aliquot touched the electrode surface, it spread all over. Any suggestions?

02 March 2016 399 4 View

Which are the main tendencies about family policies?

I think the family in my country is considered a group of individuals seeking recognition of their rights individually, without conceiving the family as a social subject, that inside in how public...

25 February 2015 8,324 3 View

How can we effectively separate anthocyanins from phospholipids before HPLC analysis?

I'm extracting and quantifying anthocyanins in egg products and I would like clean up and get rid of all the phospolipids (basically phosphatidylcholine and phosphatidylethanolamine) before HPLC...

19 January 2014 3,464 5 View

DO-9 package

Hi everyone, Right now I'm designing a dc-dc converter and I have to select a high power Diode, but I found DO-9 package quite smaller than conventional diodes. Would you help me with this? I...

25 June 2013 8,440 1 View

Can anyone help me with information about optical coupling between nanomaterials?

I need information about the effects of optical coupling and, can these effects compete with refraction index?

01 February 2013 4,663 1 View

Can anyone help me with information about optical coupling between nanomaterials?

I need information about the effects of optical coupling, and can this effect compete with refraction index?

01 February 2013 498 3 View

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 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

Can anyone help me with the administration of the "Mind the Gap" Scale for satisfaction with transition to adult care?

We are working on a study focused on adolescents' transition to adult care and are looking for a validated measure for satisfaction with the transition. So far the only measure that we have came...

28 February 2021 2,338 1 View

Is there a deep reason for using the squared modulus of the wave function as the probability density of the existence of the particle?

I think we were all surprised at the first time we got to know quantum mechanics that the squared modulus of the wave function is the probability density of the existence of the particle? The role...

28 February 2021 6,282 9 View

What is Flat Lens Antenna?

28 February 2021 5,433 3 View

For modelling epoxy-based matrices (in composites), which model in ABAQUS is the most suitable, Concrete damaged plasticity or Drucker-Prager model?

I am working on developing a micromechanical FE model for predicting kink-band formation in UD composites. To model matrix plasticity, which model, out of Concrete Damaged Plasticity and...

28 February 2021 5,415 1 View

Can impedance of antenna be less than 50 ohms?

I am simulating helix antenna in hfss, right now, giving excitation with 50 ohms port. When I see the results of Z parameter (real). It shows lower than 50 ohms. Do not understand, if it can be...

27 February 2021 4,218 7 View