How to measure temperature and humidity in a gel environment?

One of my project requirements is to measure temperature and humidity in the growing environment of plant. The plant will be grown inside a petri dish with nutrient gel. A waterproof temperature...

28 January 2021 9,415 2 View

How to combine multiple LEDs with different wavelengths to create a uniform illumination?

Hello, I'm a university student who is currently doing a plant incubator project, which requires LED grow light system. One of the project objectives is to provide a wavelength-tunable light...

25 November 2020 5,508 6 View

Can nonanol be directly oxidized into nonanal by O2 under ambient conditoions without any catalysts or additives?

Can nonanol be directly oxidized into nonanal by O2 under ambient conditoions without any catalysts or additives? any comments and literature would be appreciated.

09 November 2020 6,744 5 View

How do I apply a constant load with same velocity to reach desire deformation in ANSYS Workbench?

I'm currently working on my academic project and it is required to perform a simulation about ASTM D575-91 (Method B) using ANSYS. I'm totally new to ANSYS, hoping someone can help me out. "The...

28 October 2020 8,764 3 View

What is the physical meaning of the cross term of the index performance of LQR ?

Dear All : I have a curious question. Among the index performance of the LQR, X' Q X and u' R u have the physical meaning. Now, my question what is the physical meaning of the cross term X' S...

02 August 2020 1,780 1 View

Extracting surface area, volume and cortical thickness from multiple groups using FreeSurfer?

Hello everyone, I'm new to FreeSurfer and this question might sound a bit stupid: I'm trying to get the volumetric measures, surface area and cortical thickness of brain regions of three groups...

29 July 2020 8,574 3 View

What is the function of sucrose or mannitol in buffer for cell lysis?

In the subcellular isolation experiment, sucrose and mannitol is present in buffers for resuspending cell pellet after centrifugation. For example, Isolation buffer (IB): 220 mM d-mannitol, 70 mM...

28 May 2020 4,608 3 View

UPLC-MS problem after MS was accidentally powered off ?

Dear everyone: We have an Acquity-UPLC coupled to Synapt g2-si MS system. Recently, the MS was powered off because the electricity supply failed. When I restart the MS, and then run LCMS samples....

09 March 2020 9,496 1 View

How to use pilot data to do simulation to calculate the sample size for linear mixed model using matlab?

Hi, all, I have a 2(group)*3(time) design, and at this moment, I got 5 subjects in each group in the pilot study. I would like do a power analysis and sample size calculation. since the design I...

03 February 2020 8,851 1 View

No title

If the mass and volume of the oil droplet are known, and the oil droplet is formed from nonanoic acid, how to calculate the cross-sectional area and thickness of the oil droplet on the water...

28 December 2019 705 3 View

How to calculate BREQ 3 questionnaire?

how to calculate BEHAVIOURAL REGULATION IN EXERCISE QUESTIONNAIRE BREQ 3 ,which contain 24 questions and each question has 5 answers (0- Strongly disagree , 1-disagree, 2- Neither agree nor...

02 March 2021 811 3 View

I am interested in medicinal chemistry field, which books are highly recommended to learn from?

I am at the beginner level in drug design and drug discovery, and I am interested to learn more about this field. Which books are highly recommended to start from and gives me all essential...

02 March 2021 8,437 2 View

Please suggest a good text book for "Research Methodology in Life Sciences". Which book would be good for PhD Scholars?

Please provide Book Title and author name

02 March 2021 9,059 3 View

Could any one guide me, to write research proposal for grant? ?

We have one plant, the local people using this for controlling blood sugar, the toxicity and antidiabetic activity of the plant is not reported yet, please guide from whag should be the process ?...

02 March 2021 2,300 1 View

How can I integrate a routing protocol in a tiny device (e.g. Raspberry Pi)?

Hi Community, I'm facing the issue of integration/compiling a new routing protocol in a WSN simulator. The final goal is to successfully add, configure this routing protocol in hardware devices...

01 March 2021 9,332 6 View

Is anyone familiar with the cyclic compressive fatigue testing (BS EN 12697 - 25) ?

I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...

28 February 2021 2,004 3 View

What is Flat Lens Antenna?

28 February 2021 5,433 3 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

Gas sensor response and recovery time independant of flow rate and chamber volume?

I am trying to obtain the response and recovery times for my gas sensor device. It appears the the response/recovery times are primarily dependant on the flow rate of the gas I inject into the...

26 February 2021 1,511 3 View

How to use measure capacitance change in COMSOL time dependent study ?

I want to measure change of capacitance due to relative displacement between two parallel plates in COMSOL. Distance between two plates changes with time. So I'm using a time dependent study but...

26 February 2021 8,567 3 View