22 Questions 4K Answers 0 Followers
Questions related from Alan F Rawle
I have this question from @Anurag Nath posted on an existing thread: https://www.researchgate.net/post/What_are_some_effective_sample_preparation_techniques_for_DLS_study To avoid confusing the...
07 January 2021 5,167 2 View
@Krunal Dholiya has sent me this question which I post below so he can get the benefit of many experts. Dear, I am preparing a thin film using TiO2 sol but i m fasing problem, with time it is...
24 November 2020 1,453 2 View
This is a problem of oscillation at the edges of an interval/size class and can produce error fits that can get larger, not smaller, with increasing number of terms. Without using a cubic spline...
29 October 2020 7,812 10 View
I have a question from @Pratima Adhikari that I will post on the open forum so all experts can contribute. Hi Alan, I hope you are fine and healthy. I have a question for you. I am currently...
23 October 2020 3,674 3 View
@Shikha Sharma has asked me the following question by PM. In order that all can benefit I reproduce it below: 'sir , i want to know that ...is it important that.. the more the broad peak , the...
10 September 2019 6,411 2 View
I have a PM from @Fatima ezzahra Jabbour (who is tired) in Morocco as follows: Good morning, sir, I am a tired agricultural engineer from Morocco, I need your help regarding the use of the...
18 June 2019 4,347 1 View
An average of 7 cases per year is reported in the US. See: https://www.cdc.gov/plague/maps/index.html Why are there no records from the east of the country?
14 June 2019 7,776 4 View
@Talat Zakeri has asked me this question by PM. In order that she can benefit from input from many experts I post it below: Hi, I have two powders from Sasol company. one of them is alumina and...
22 April 2019 8,633 7 View
I have a PM from @Shehroz Razzaq as follows: Thank you very much Sir. I have two questions: 1. Why different wavelengths have different scattering intensities? 2. Why scattering intensity...
02 April 2019 3,333 3 View
This has been asked by @Nilesh Dalai in 2 PM's to me. As we know, RG is not a private consultancy service and questions should be posted on the open forum so that all can benefit from the...
02 April 2019 359 0 View
I have a PM from Randa Zoqlam as follows: Dear Professor I have a question and I would be grateful if you can help me , I'm using the DLS to measure the size of the PLGA NPS and I have noticed...
28 September 2018 2,750 3 View
I saw a recent question with someone requiring a copy of the Laterites: Concepts, geology, morphlogy and Chemistry by G J J Aleva. This posting seems to have disappeared - at least the search...
15 November 2017 7,709 4 View
Anyone out there have an idea what a ton(ne) of cocoa butter costs these days? I suspect that the answer might be 'it depends' (maybe on the type/grade/solids concentration), but I'm just trying...
24 February 2017 8,144 1 View
In Aroon Shenoy's excellent book “Rheology of Filled Polymer Systems” an interesting table is shown on the bottom of page 268 in Chapter 6. I'm looking for the original source of this table...
16 September 2015 387 3 View
16 September 2015 8,177 1 View
Does the number of exclamation points and question marks in a RG question influence your perception of the poster of the question? Many questions posed on RG are both badly grammatically phrased...
01 January 1970 3,601 45 View
I have 2 questions sent by PM from Rajaraman Ts. As RG is not a free consultancy service I will post these questions below for others to answer: Respected Sir, This is Rajaraman from India...
01 January 1970 8,759 3 View
We are already seeing answers being provided by a chatbot on RG. See, for...
01 January 1970 1,177 14 View
@ Nermin Zakhas asked me a question via PM, and as this forum is not a consultancy service, I will post so all experts can contribute. Dear Dr. Alan, I am trying to prepare magnetite...
01 January 1970 4,405 3 View
I suspect a similar question would be 'How long is a piece of string? Is toilet paper a western phenomenon only? Given the apparent lack of toilet paper in supermarkets, it seems pertinent (or...
01 January 1970 7,830 36 View
I am seeing a number of ‘Discussions’ posted that are simply the synopsis of a published paper by the author (or one of the authors) of that paper. Often a response of ‘Impressive’ is seen in the...
01 January 1970 6,391 2 View
Many people collect pets like stamps (see: https://www.researchgate.net/post/Why_do_people_collect_stamps) I recall an article which claimed that each cat in a household was claimed to be the...
01 January 1970 7,297 6 View
