What are best coating materials for bamboo ?

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How to design plumb concrete ?

Plumb concrete is normally accepted for massive concrete works in which stone pieces of larger sizes are added along-with normal concrete to achieve economy. The proportion of concrete...

10 November 2019 8,197 3 View

How to use fragments of bituminous road ?

During repairing or removal of bituminous roads large fragments of bituminous road are generated as waste. How to use them? Can we extract bitumen and aggregates from them.

10 November 2019 3,947 2 View

What is the effect of effluent or polluted water on properties of concrete?

Most of the standards suggest to use potable water for making concrete or curing of hardened concrete. Due to scarcity or non availability of potable water, it is observed that tendency of...

01 February 2019 7,971 4 View

Are existing old and large structures like monuments, temples constructed in stone masonry, capable to resist earthquake? If yes, how to check it?

Old monumental structures like temples, historical buildings are constructed in stone masonry with large walls and massive arches which are in compression. These structures are beautifully...

09 October 2018 5,963 15 View

What are different techniques for collection of dust from the atmosphere ? How the collected dust can be disposed off?

Dust particles in atmosphere are of different types and varying in size, responsible for pollution. House dust mites and wind borne fugitive dust are common types need to be analysed and...

07 August 2018 1,536 2 View

Can we use shaving cream or shampoo as admixture in concrete?

Shaving cream is just like foaming agent. Will chemicals contained in shaving cream affect hydration of cement? Low cost shaving cream or shampoo can be experimented for determining their...

06 July 2018 9,014 7 View

How to check quality of crushed sand to be used in concrete?

Nowadays, only crushed sand is only option available for making concrete due to over exploitation of natural river sand. But quality of crushed sand is always questionable due...

02 March 2018 2,181 22 View

How to prevent leakage in RCC dams. which material is suitable?

Normally, leakages are observed in dams and inspection gallery are provided for necessary treatments. However in case of small dams like bandhara leakages are due to...

02 March 2018 5,820 0 View

How to remove rubber particles attached to concrete road surface due to heavy vehicular traffic?

Concrete Road surface must have certain coefficient of friction. Due to heavy vehicular traffic, rubber particles from wheels get attached to concrete surface. After a long period, concrete...

11 December 2017 2,098 4 View

Steel poles are get corroded at bottom due to poor design and maintenance .They are frequently replaced by new one. How to reduce wastage of steel ?

Steel Poles are subjected to corrosion mainly at bottom level particularly at the junction of footing or at Ground level due to accumulation and penetration of water in poorly designed...

09 October 2017 9,003 2 View

Adhesion strength of coating?

How can I determine a good adhesion strength range for coatings on polymer surfaces, such as DLC on polymer substrates? Is there a specific threshold for adhesion strength (from T-peel tests)...

10 August 2024 942 3 View

How do I conformally do PR spin coating on trench structure?

I did PR spin coating on trench structure. I used AZ P4620 PR and the thickness or PR is around 11um. The substrate is Si. And my trench structure depth is 141um(negative way). Even though I...

08 August 2024 2,298 0 View

Why do i have a weak plasma and no coating during rf sputtering?

I have been getting a low plasma and no coating while doing rf sputtering of copper doped ZnS using a power of 140 watts and at pressure of 6.5x10-3 Mb.

07 August 2024 4,526 4 View

How to heat polymer for about 130° without oil bath ?

is there any other way to heat a polymer evenly other than oil bath if so what are those and how to use it

06 August 2024 947 1 View

Do you think can be any gas and oil bearing rocks in Eastern part of Iran?

I want to know more about petroleum deposits in Iran.

02 August 2024 8,725 3 View

What is the reason I get 400nm nanoparticles using an extruder with 200 nm membrane for cell membrane coating?

I am trying to coat my micelles and PLGA based nanoparticles with cell membrane using an Avanti mini extruder according to literature . I use 200nm membrane but my particles end up to be 400nm And...

30 July 2024 3,294 3 View

Heavy Crude oil PVT Data?

Hello i need heavy oil PVT data having viscoisty of 2000-3000 cP. If someone have it or research papers about it, kindly share it with me Thanks

25 July 2024 6,940 1 View

What is the main used curing agent for epoxy based coating?

I am trying to coating metal oxide into steel substrate, for better sticking planning to utilse epoxy based, Could you please suggest suitable curing agent for the coating purpose

25 July 2024 438 3 View

What are the most PROBLEMS of HYBRID nanofluid in oil industry ?

explain your idea

23 July 2024 1,197 0 View

How do you get pure primary macrophage cell culture?

I have been harvesting monocyte-derived macrophages from buffalo and cattle fresh whole blood using the same protocol for years and getting good macrophage cultures. Below is the protocol that I...

23 July 2024 4,074 2 View