Anyone knows that what is this kind of powder that are using for leakage repair of castings?

some of the Chinese manufacturers use special powder for repairing leakage of pipe and fittings after casting. they heating the pipe wall and then add this powder on the surface of leakage area.

07 August 2019 5,694 3 View

What is the best method for repairing blow holes and leakage in as-cast ductile iron pipe and fittings?

do someone has any resource about repairing leakage in as cast pipe and fittings?for example welding, powder or polymer repairing agents.

05 June 2019 2,258 10 View

What is the best process for adding ferrosilicomanganese to Steel molten metal?In furnace or ladle?

We faced with decreasing tempreture when we add manganese in ladle and the material consumption is higher when we add it in furnace what is the best way for adding this ferroalloy to steel molten...

31 December 2018 9,007 3 View

What is the process for 3d PVC wall panels and ceiling tile and back splash?

i'm looking for process that PVC 3d ceiling tiles is producing. i think it has a special production method except molding by injection-extrusion &... . please introduce me exact process for...

03 April 2018 2,777 1 View

Could you please introduce me a cheaper electrode that have same performance as SC NiFe-1 or SC NiFe-2 for ductile iron MIG welding?

06 July 2017 8,056 1 View

Have someone resources for refractory lining of induction furnaces for steel making ?

i need some good resource for selection and read about refractories that are suitable for use in induction furnaces for steel making

07 August 2016 4,997 2 View

How could we improve silica ramming mass refractory lining life time?

07 August 2016 7,183 1 View

How can I find this amplifier that is installed on a instron 5585H tensile testing machine?

I need to know how could i find the model of this amplifier that is installed on a instron 5585H tensile testing machine. this amplifier is out of work now and we cant use or tensile testing...

06 July 2015 6,121 3 View

I have some certified reference material codes that i can find supplier! can every one help me to find this standard reference materials?

01 February 2015 4,355 1 View

What is the ingredient of kinetic or living sand?

09 October 2014 6,981 4 View

How to compare two groups with only two measurements?

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

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Does any one know how i can prepare liver tissue with transmission electron microscope with good fixation?

i have problem in preparation of liver tissue with bad cell organelles and how i can adjust osmolarity

03 March 2021 8,890 1 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View