Misk (Musk) or perfume are healthier?

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I have pol-dipole data. How we defineinfinite electrode in protocol file?

I have pol-dipole data along paralel lines. How do we define infinite electrodes for the protocol file in 3D inverison?

09 January 2023 6,560 3 View

How can I solve this problem?

I prepared a model for soil pile interaction. The model was arranged in three dimensions. When I want to perform geostatic analysis, the following warning appears. In the analysis, it gives a time...

17 November 2022 6,500 5 View

Almost 2x DNA conc. difference between Nanodrop & Qubit, is that normal?

I have been aware of why a Qubit should give more accurate and often lower DNA concentrations over the nanodrop. Today I finally did a direct comparison of the two (Nanodrop one, Qubit 4) and the...

28 September 2022 1,090 2 View

Which central banks attract foreign currency deposits from financial institution?

Is there any central bank which attract foreign currency deposits (for example in USD) for monetary policy purpose?

27 September 2022 7,460 3 View

Getting low e.coli miniprep yields, how can I improve?

I'm trying to purify plasmids from e.coli, the plasmids are high copy. I start with about 1.5ml culture volume, using neb monarch miniprep kit, and rarely get concentrations higher than 20 ng/ul,...

13 December 2021 9,136 7 View

What is the source and reason pinholes and blow holes that occur right under exothermic riser sleeves as circle cluster?

The problem we have seen espacially thick section high modules ductile iron part just under riser sleeve with range of size. Casting mould have been furan resin sand mould. Even though we...

23 May 2020 3,512 0 View

Is it possible to find the error in lattice parameters and Wyckoff of XRD data refined using fullprof?

I have been asked to find the uncertainties (lattice parameters and atomic positions) of the XRD data I had refined, I've seen that it is possible using the GSAS EXPGUI software, so is the same...

26 February 2020 5,187 4 View

Dissappearing peaks in rietveld refinement?

I've been trying to obtain the cell parameters of CeVO4 and SmVO4 from rietveld refinement of XRD data. However the peaks seem to disappear after refining U, V, W parameters in Full-Prof software...

11 April 2019 7,566 3 View

Does anyone have a pdf of the paper by Marlin and Back?

I am trying to find the following paper: "Search for a Minimal-Loss Operating Spanning Tree Configuration in an Urban Power Distribution System " by Marlin and Back published in 1975. It is not on...

10 February 2018 9,379 2 View

Temperature dependent damage criteria for cohesive elements using traction separation behaviour?

Hi. I'm trying to model interfacial delamination, where the cohesion at the interface is reduced due to temperature. I have defined the damage initiation criteria in terms of maximum stress and it...

08 September 2016 6,453 1 View

• What the possible Persistent Organic Pollutants and Heavy metals present in fluorspar, sediments, and water bodies around its mining area?

Approximate concentrations are require in compared with the WHO permissible limts

11 August 2024 2,723 1 View

How can I find access to heavy metal reference doses from the EPA and WHO websites?

Reference dose and Maximum acceptable concentrations HMs

03 August 2024 8,230 4 View

Standard population: What standard population to implement?

Dear all, I have a question about standard population? Is Segi population outdated? I have a time series from 2000 onward. Regarding who 2000-2025 population from this link...

13 July 2024 4,380 2 View

Pir Hassan Ali Shah live post, call for a question in your city about: What is the top problem, question, issue, add, advance, or share your point of?

Pir Hassan Ali Shah live post, call for a question in your city about: What is the top problem, question, issue, add, advance, or share your point of view on subjects of money, economics, finance,...

09 July 2024 7,154 0 View

Is still the cryptococcus sp. considered as the top most critical priority pathogen?

In the year 2022 the WHO released a fungal priority pathogen list in which Cryptococcus neoformans being placed at the top most of critical priority pathogen. Is it still a threat to human...

10 June 2024 4,055 3 View

Standard limits of toxic elements (heavy metals) in Nigeria fir WHO, FAO and National Environment Agency?

Hello everyone, I am working on a university student project that needs me to find the standard limit of toxic elements (heavy metals) in soil in Nigeria for WHO, FAO and National Environment...

11 April 2024 7,000 1 View

How effective is the policy recommended and set by the World Health Organization on the separation of donated blood into specific components?

An imblance between the blood supply and demand could lead to failure in blood transfusion services in any country. Especially in cases where mortality and morbidity may cause to worsen in...

11 April 2024 5,319 0 View

Should there be a BS in 'Doctor of Psychotherapy' degree to meet the growing demand for mental health problems??

"Should there be a BS in 'Doctor of Psychotherapy' degree to meet the growing demand for mental health problems?? and if so, what might such a program entail?" While "Doctor of Physiotherapy" is...

10 April 2024 7,083 3 View

Does world-system theory function in contemporary society?

The question explore wether the concept of world-system theory still works in the modern society

02 April 2024 5,037 3 View

Calculation of insecticide concentration on WHO impregnated paper?

Need to calculate the concentration of insecticide on impregnated WHO paper in microgram/ml.

02 April 2024 5,479 0 View