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

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

Can I use TCA instead of TFA for protein analyis in RP-HPLC?

I am trying to analyze lipase using the reverse phase-HPLC C18 column. In the literature, 0.1 % TFA was and 60% ACN was used. Can I use TCA in place of TFA? If any other methods are available to...

25 February 2021 2,388 3 View

How can we theoretically calculate Elemental analysis(percentage) of atoms in covalent organic framework?

For example in one research article the Elemental analysis values of COF-TpPa-1 ( Triformylphloroglucinol (Tp) (63 mg, 0.3 mmol), Paraphenylenediamine (Pa-1) (48 mg, 0.45 mmol) are as follows...

24 February 2021 1,265 6 View

I have need of XRD graph analysis software for phase identification. Can you please provide links for software tools which can be downloaded?

i am trying to download x'pert high score software, but can't download it. please do suggest software for phase analysis

24 February 2021 5,687 4 View

How to Control Whiteflies in coconut leaves?

24 February 2021 1,005 1 View

What is the error of the Txy diagram?

Hi, I know the attached Txy diagram has an error but can't figure it out. Could you please look at the diagrams and explain it to me?

23 February 2021 4,239 1 View

Is this the write procedure for acid digestion of soil for heavy metal analysis using AAS?

How to do acid digestion of soil sample with 3:1 aquaregia in an open vessel?

23 February 2021 3,053 7 View