Please I want to know the method for measuring bile salts in bird how I do this in lab please help me to know the method?

I need to the required sample ,reagents and steps

10 December 2020 7,087 1 View

I need to know the approach to solve this task.. How high the permeate-specific operating cost in Nano filtration process??

The total pressure loss = 1 bar Pump efficiency : 25%.. I need to know the approach, the work flow, the equation needed please. Thanks in advance

14 March 2020 9,783 3 View

What is the main drug for treatment of oral mycosis ?

oral mycosis infection

11 September 2019 6,746 3 View

Thermophilic gram- negative bacteria and spore forming which one ? name the bacteria or genus of bacteria ?

more information about thermophilic bacteria

11 August 2019 6,750 1 View

Please, i want to learn about UV graph ?

the blue circle in uv graph can consider as the head of graph and can i take this points the value of the wavelength of nanoparticles ? in the photo with number 1 this graph indicates that there...

09 August 2019 158 1 View

Hello, dear researchers. I'd like ask about your opinion about this UV graph?

first image for SNPs synthesized by certain plant, while second image is the UV of plant extract without silver nitrate i think the wavelength of SNPs start from 300 to 450 nm? thank you

06 August 2019 5,311 2 View

Is there any method or software to convert 3 equation with 4 unknown parameters into one equation?

Solve equations

15 May 2019 5,924 4 View

What is the best and fastest method of removing solvent like THF from Tecothane (polymer) to form a homogeneous layer?

I want to remove THF from my polymer (Tecothan) . If I use the vacuum oven ,it will affect the homgeneity of the formed layer?? Or not?? Is there any solution for this problem?

15 November 2018 3,825 2 View

How can i preserve cell culture media for long time?

I have two bottles of cell culture media MEM Hanks and 199 Earls I dont need them now, but i will later. How can I preserve them for about 6 months , without loss in nutrients or contamination ?

24 May 2018 3,138 3 View

The appropriate solvent for Tecothane

02 August 2017 1,391 2 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View

Where can I find life cycle inventory or assessment of non woven materials?

Dear network, I am looking for the LCA or LCI or at least the energy balances of the non woven fabrics process for my master project, in specific for natural fibers, yet I have found...

02 March 2021 9,662 1 View

How optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

Necessary tube lenght to cool Natural gas in a dry-ice cooling bath?

I have a tank which contains natural gas at 250 Bar and 293 Kelvin. I want to cool the gas in a dry-ice cooling bath to about 195 Kelvin. The gas will flow in a copper-tube through the bath with a...

27 February 2021 8,128 1 View

Exit velocity of natural gas from pressurized tank?

Hi Guys. I'm a mechanical engineer and have a bit trouble, would be very glad if you could help me with my questions. I have a pressurized tank which contains Natural Gas at 200 Bar and 293...

26 February 2021 6,253 3 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View

How can plant phytochemistry be included in discussions about whole plant traits?

I am using the concept of plant functional traits (Cornellisen et al., 2003) in a paper. Considering descriptions for whole plant traits (life history; life form; growth form; plant height;...

24 February 2021 6,831 5 View