How the dose rate was experimentally determined, and how this dose rate can be applied to a system such as Cr2O3. thin films ?

07 August 2019 3,875 2 View

How determined the dose rate of gamma rays cobalt (60Co)as source with an activity of 6 mCi and doses levels of 0, 50, 100 and 200 Gy, ?

How determined the dose rate of gamma rays cobalt (60Co)as source with an activity of 6 mCi and doses levels of 0, 50, 100 and 200 Gy, ? How does this dose rate then apply for thin films?

06 July 2019 7,320 2 View

Which kind of information we would like to receive from the XPS experiments

06 July 2017 7,753 3 View

How can characterize the semiconductor materials of metal oxide when coated by MOF (Metal-Organic Frameworks) ?

how can we characterize the semiconductor materials of metal oxide when coated by MOF (Metal-Organic Frameworks) ?

03 April 2017 701 1 View

What is meaning of reduction of graphene oxide ?

What is meaning of reduction of graphene oxide?

03 April 2017 7,084 2 View

How can characterize the semiconductor materials of metal oxide when coated by MOF (Metal-Organic Frameworks) ?

How can characterize the semiconductor materials of metal oxide when coated by MOF (Metal-Organic Frameworks)?

03 April 2017 4,592 1 View

What are advantage and disadvantage of CdS and CdSe thin films used as gas sensors ?

What are advantage and disadvantage of CdS and CdSe thin films used as gas sensors ? If there any scientific papers ?

31 December 2015 1,725 1 View

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

03 March 2021 8,272 1 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

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

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

Why do a weight decrease for thermal degradation in nitrogen gas condition?

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

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

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

I have a problem with kanamycin - why the kanamycin doesn't affect?

Hi everyone, I need to expression of GFP with pET28 plasmid in E. coli BL21(DE3) plysE. Transformed cells have kanamycin and chloramphenicol resistance. Normally, only transformed cells should...

22 February 2021 4,032 4 View