Psychological characteristics of a "novice swimming child" 5 years ?

What are the cognitive characteristics of a 5-year-old "novice swimming child", and everything related to motor learning, psychological and kinetic tests and measurements compatible with the study?

06 September 2020 9,327 2 View

Psychological characteristics of a "novice swimming child" 5 years ?

What are the cognitive characteristics of a "novice swimming child" 5 years old, all related to motor learning, psychological and kinetic tests and measurements that are compatible with the study

06 September 2020 258 2 View

What is your knowledge about the curriculum of excellence, and what are its features? Is it applied in your country?

What is your knowledge about the curriculum of excellence, and what are its features? Is it applied in your country? Your participation is great and appreciated

01 July 2020 2,103 16 View

Is MDPI still a predatory publisher?

MDPI was a predatory publisher, but some colleague told me that it was retrieved from predatory list. Is this correct?

01 July 2020 9,785 62 View

What are the skills of the twenty-first century to be available to students at different levels of education?

What are the skills of the twenty-first century to be available to students at different levels of education? Your participation is of great importance to me

25 June 2020 705 29 View

What is the effect of parental treatment during the ban on the child's personality?

Do you think that parental treatment during the ban period will affect an active role in the formation of the child's personality in psychological, social and personal terms?

16 May 2020 3,741 4 View

Can a survey question measure more than one variable?

Hello.. Example of my question is the following statement in a survey: "I encourage my friends to buy this brand" In the analysis stage, can I define this statement to represent (measure) more...

04 March 2020 6,279 5 View

In case of falling rain in some day during solar drying experiment by Indirect solar dryer integrated with PCM storage unit, can I shut down ??

In case of falling rain in some day during solar drying experiment by Indirect solar dryer integrated with PCM storage unit, can I shut down the dryer and continue next day? then how can I...

26 August 2019 5,065 8 View

How is the impact factor of a scientific journal calculated?

How is the impact factor of a scientific journal calculated?

18 August 2019 2,371 8 View

How to separate top cell from bottom cell in a tandem solar sell to do single cell simulation in Silvaco Atlas?

I have the example 12 of silvaco atlas in wich there is a tandem solar cell. I am asking how to separate top cell from bottom cell to get single cell simulation. I tried to cut the top/bottom cell...

27 July 2019 1,337 8 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Is there any effect of different colours of light (white, red, yellow, blue etc.) on the rate of photosynthesis? If yes, why?

Light is inevitable for the process of photosynthesis reaction. Naturally sunlight plays the vital role for this process. Light may be of different colours like white, red, yellow, blue etc....

02 March 2021 7,890 2 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

In an eye with Tyndall, does each dot correspond to an individual cell?

When you observe the presence of Tyndall in an inflamed eye: Does each of the small floating dots correspond to an individual cell or to an aggregate of cells? Does a conventional slit lamp have...

27 February 2021 6,326 2 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

Should we reduce the standard unit of length to 0.31951540592 meter ?

The reasoning behind this question is to align the ratios of the proton potential in energy per charge to the speed of light in distance per time. As these two dimensions appear to be related,...

27 February 2021 947 7 View

Are there lab markers/pens resistant to Roti-Histol?

Hi, I'm looking for a pen/marker to write on the smooth, transparent (non-frosted) part of microscopy slides which does not get washed away by alcohols and most importantly Roti-Histol. I want to...

24 February 2021 9,902 5 View

How can I obtain time series data by country on night-time light (brightness) ?

Hi everyone, Please, how can I obtain time series data by country on night-time light (brightness) ? I've tried, but so far all I can find are maps. I am looking for numerical data, especially in...

24 February 2021 8,625 4 View