How define one baker unit(BU) is the amount of hydrogen peroxide catalase ?

07 February 2021 2,006 1 View

Where is the active point of VCSEL?

I am now working on the coupling between vertical-cavity surface-emission laser(VCSEL) and waveguide. However, the window design for laser emission is larger than the waist of Gaussian beam...

27 January 2021 8,318 1 View

In opensees is the ReinforcingSteel material sensitive to units of measure?

20 January 2021 7,043 2 View

Why does COD increase over time when external carbon sources are added in the denitrification process in waste water?

Why does COD increase over time when external carbon sources are added in the denitrification process in waste water? After 1 hour, the concentration increased from 30mg/l to 40mg/l after 20...

17 January 2021 374 9 View

How VASP perform selfconsistent noncollinear calculations?

Selfconsistent noncollinear magnetic calculations can be done in VASP. I am wondering how VASP update the spin directions at each local site. For molecular dynamics, VASP search the next...

16 January 2021 1,398 3 View

Seperate of organic and inorganic phosphorus in waste water?

Is it possible to separate organic and inorganic phosphorus in wastewater with a filter?

14 January 2021 952 3 View

How to propose constitutive response functions during continuum modeling?

To develop constitutive models in continuum mechanics, one must consider kinematics, balance of momentum, balance of energy, and free-energy imbalance. Next, one must propose constitutive response...

02 January 2021 9,692 4 View

Please , can the concentration of the drug inside the nanocarriers or nanoparticles be determined using a UV spectrophotometer ?

Please, can the concentration of the drug inside the nanocarriers or nanoparticles be determined using a UV spectrophotometer after getting the calibration curve of the drug alone?

19 December 2020 4,634 5 View

How to make sure self-ligation of a linear plasmid?

I want to ligate a linear 1.7kbp plasmid with the EcoRI sites at two sides, but when I use the quick ligase kit from NEB to test the ligation efficiency it is hard to ligate it. Is there anyone...

08 December 2020 3,442 3 View

Is the certificate getting from conference webinar is the same as the attendance certificate ?

Nowadays I have received a lot of invitations for attending conference online like webinar and get certificate and I am wandering about this certificate is the same for real attendence physically...

26 November 2020 5,344 4 View

How to access MSCI KLD Stats and Sustainalytics?

Hello all, I'm currently working on my undergraduate thesis and I'm having difficulties trying to access KLD Stats and Sustainalytics because my campus Airlangga University and apparently other...

02 March 2021 8,525 1 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

Can you share me how teacher education is managed in your respective national educational system?

I feel that the practice in teacher education in my country is below the expected performance level due to very poor management system. Hope I will learn something from your experiences.

02 March 2021 1,516 4 View

Isolates of Hymenoscyphus fraxineus?

Dear Dr. Cai, my name is Simone Prospero and I work in the team of Phytopathology at the Swiss Federal Institute for Forest Snow and Landscape Research (WSL;...

01 March 2021 1,133 1 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

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

CGA 300 Regulator for CO2 cylinder?

Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...

25 February 2021 3,292 3 View

What are the patterns of human behavior that lead to COVID-19 infections?

Does data from contact tracing help in establishing patterns of behavior and social interactions that lead to infections? There are cases here in the Philippines where patients have no travel...

25 February 2021 9,002 13 View

How to interpolate from a time-series database ?

Hi, I am having trouble with a problem, in the field of Optimal Control and the generation of optimal time-series. Let's consider a system, whose dynamics are represented by dx/dt =...

24 February 2021 9,105 2 View

Is it Ok to decline to write a chapter for a IntechOpen to the lack of experience?

I have been asked by IntechOpen to write the chapter for a book they are going to publish, but as I don't have enough experience in the area they proposed me to write I declined their offer. Now...

24 February 2021 2,802 4 View