What can people do to reduce personal health risks from air pollution ?

Tehran, the capital city of Iran, suffers from severe air pollution, and it is located near three major fault lines, while being the most populous region of the country. The officials have created...

11 December 2019 6,992 13 View

What is the maximum permissible level of lead and Cadmium in supplements and Pharmaceuticals / nutraceuticals?

what is the maximum permissible level of lead and Cadmium and other toxic heavy metals in supplements and Pharmaceuticals / nutraceuticals?

10 November 2019 7,758 3 View

What are the recent environmental impacts of your country in the last decade?

In your country or where you live : What are the solution of environmental problems in the last decades ? including : climate change, air and water pollution, biodiversity loss, water...

09 October 2019 5,564 5 View

How should to Begin a New Life and courage to start successful new job?

07 August 2019 4,852 27 View

Why being yourself is so hard nowadays?

I think being yourself in society and even your private life is too hard. Why?

07 August 2019 8,017 17 View

What do yo think about " Role of Perceptions of Prejudice and Discrimination on the Adjustment of articles in some journals"?

Do you think in few journals you have seen " The Role of Perceptions of Prejudice and Discrimination on the Adjustment?

07 August 2019 3,177 15 View

Would you like to take part in international conference?

Would you like to take part in international conference?

06 July 2019 5,565 63 View

How could a senior environmental chemist find the job in Netherland?

How could a senior environmental chemist find the job in Netherland?

06 July 2019 6,400 5 View

What are the main reasons for being aggressive in jobs or relationships?

The number of angry people around us are increasing every day and aggressive behavior ....... why?

05 June 2019 4,665 28 View

What are the steps to start a free International journal and do I have the right to produce journal?

I would like to know about the steps and law and rules about producing free international journal. Would you please kindly help me?!

05 June 2019 4,446 12 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

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

Heat exchanger with liquid Nitrogen as coolant?

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

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 we can measure Kemp % in wool without using of benzene?

Would you please let me to know about the methods for measurement of medullation and Kemp % on animal? My problem is that the wool sampling and sending to laboratory is not possible. So I would...

21 February 2021 7,260 4 View

Did anyone perform CD107a degranulation assay without the use of inhibitors like monensin?

I am planning to perform a degranulation assay using CD107a antibody. Some resources suggest to use inhibitors like monensin to inhibit the intracellular traficking and acidification of the...

21 February 2021 6,260 3 View

Looking for advices and tips to improve the staining and the gating strategy in human blood?

Hi, I am staining a human blood with CD19, CD3,CD14 and CD16. My gating strategy in FlowJo goes like this: - First, I gate a general population SSC-A VS FSC-A => Then gate for single cells, =>...

21 February 2021 5,724 4 View

How to get/count refractive index in gasses?

20 February 2021 8,202 6 View