How knows about unglazed transpired solar collector price?

Dear all I want to know how much 2 meter square of unglazed transpired solar collector without fan price consideration is? Could you help me?

08 September 2016 7,984 4 View

How knows about unglazed transpired solar collector price?

Hello I want to know how much dollar per area unglazed transpired solar collector is? Thank you so much.

06 July 2016 2,420 3 View

How heat transfer analysis on heat pump evaporator is?

Hi. How heat transfer analysis on heat pump evaporator is? As well as you know evaporation process in heat pump evaporator is in two-phase process. I need some files (pdf, article and etc.) about...

01 February 2016 7,991 2 View

Can LIGHT be in FLUID categories?

Hi. Light is Fluid? What do you think?

31 December 2015 7,651 0 View

Who can tell me why water shows unusual behavior in its freezing process?

06 July 2015 8,587 2 View

Which part of my MATLAB program is wrong?

04 May 2015 4,553 5 View

Who knows about gas-bubbles energy?

01 February 2015 9,176 6 View

How I can define viscosity as a function of temperature in Fluent?

01 February 2015 7,106 1 View

Is it possible to make perpetual-motion machine by radiative heat transfer?

It is an idea. Suppose two blackbodies with different temperatures are in a black enclosure.

01 February 2015 3,866 5 View

What is the concept of this sentence: Reynolds number is unsuitable for a non-accelerating flow, since density does not play a part?

For a steady flow between a fixed & moving plate as shown in Fig 3-1 velocity distribution is u=(U/2)*(1+(y/h)) and friction coefficient is Cf=1/Re(h). Assumption: Viscosity is constant.

31 December 2014 1,036 2 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

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

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

The reason that the culture of white fungi Contamination with green mold(Trichoderma), the culture autoclave at121 for 15 min. What is it?

Is the period to autoclave not enough? The inoculation in a hood and flame and UV and alcohol.

27 February 2021 9,356 3 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

What are difference between laser diodes, simple light emitting diodes and power light emitting diodes when operated in the visible spectrum ?

I want to illuminate a scene (small space) using LED to capture photographs or videos of some tiny objects inside the space. But am not sure if I should use a Laser LED, or simple LED or power...

22 February 2021 4,240 4 View

Color of spiro-ometad film?

What does the color of a spiro-ometad film indicate? I got purple, green, red, even black color of the spiro film. Is there anything we can get from the preliminary color analysis(e.g. oxidation...

21 February 2021 1,831 4 View

How to interpret this FTIR spectrum of pyrolyzed hydrochar?

20 February 2021 2,840 3 View

When to use different framework?

Hi, can I use both conceptual framework and theoretical framework in my systematic review? My future study plan is to use a theory. In this situation for my systematic review should I use both or...

18 February 2021 9,581 2 View

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The regenerated cellulose film was prepared by zinc chloride/H2O system. The zinc chloride had been washed away in the regeneration process, and the wet film which was not dried had uniform...

18 February 2021 9,538 1 View