Needed for thesis work. Sorry I cannot give a lot of detail, but the device will need Argon/Nitrogen as carrier gas and an MS5A coil. Any advice will be appreciated very much.
Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...
03 March 2021 8,796 3 View
I would like to create a small guide containing the meanings of the names .. Thanks to everyone who cooperates with me in achieving it.
03 March 2021 5,266 4 View
Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !
02 March 2021 5,785 3 View
How to do Piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch? Piezoelectric coupling between the rectangular substrate and rectangular...
02 March 2021 9,833 3 View
I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...
01 March 2021 8,544 1 View
Is the electropolymerisation of polyaniline coating over stainless steel (SS) via Cyclic voltammetry technique is really adherant? Else how to improve the adhesion of the coating, whether any...
01 March 2021 8,220 2 View
I have created an Ice 1h crystalline structure and an Aluminium substrate structure and equilibrated both at 250K. Now I need to bring them together in a way that an adhesive bond is created....
01 March 2021 3,325 2 View
Does anyone have the experience of using Taq Man probes in the QIAGEN Rotar- Gene qPCR machine?
01 March 2021 5,311 1 View
When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?
28 February 2021 3,864 3 View
Hello, I have simulated a single battery cell using Thevenin equivalent circuit. For a battery pack, I have a large number of cells connected in series and parallel connections. Is there any way...
28 February 2021 2,116 1 View
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
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
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
I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...
01 March 2021 6,450 5 View
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
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
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
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
Hi all The question is related to TGA(Thermogravimetric analysis). Thermal degradation easily understood but why do samples weight decrease? altough just binding is broked, the weight of...
26 February 2021 1,100 5 View
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