Literature on snowflake aggregation?

I am looking for literature suggestions on the topic of snow aggregation. My main interest is on the aggregation process itself (rather than papers describing aggregate snowflakes characteristics)...

19 February 2021 2,197 3 View

ASTM or ISO standard test for duplex coatings?

Dear all, I would like to conduct scratch and linear reciprocating tribo-test on my magensium alloy, which has a plasma electrolytic oxide (PEO) layer of about 20 um and 10 - 20 um of Parylene...

25 January 2021 9,709 2 View

Any data or studies available on wall thermal insulation with glass bottles?

I am searching for data and studies about thermal performances of walls insulated using recycled unbroken glass bottles, to be used as part of the structure itself, or as filling material of a...

29 November 2020 7,792 2 View

EDX sample preparation of a coating/metal cross section?

The sample is piece a magnesium alloy (dimension: length - 20mm, width - 9.7mm, thickness - 3.5mm), which is coated with epoxy and silicone coating on each side of the surface. The coatings do not...

05 January 2020 3,375 3 View

How to modify a plasmid DNA with a thiol group or any functional groups for coupling?

I am trying to conjugate a plasmid DNA with an -SH activated PEG. The thiol group modification is possible for linear single strand DNA. I wonder if it possible to introduce in a plasmid DNA, too.

03 August 2019 135 1 View

Cloudy debris in the middle of a flask??

Hi everybody, I've started to grow up bacteria in liquid medium in order to set up a growth curve but everytime I try to start it there is this cloud in the middle of the flask. The bacteria...

26 March 2018 4,656 2 View

What are the basics to maintain a micropipette in good working conditions?

26 November 2014 9,393 4 View

Does anybody know the difference between GISTIC 2.0 and ABSOLUTE algorithms, if there is any?

While reading the literature,it is not very clear to me the rationale of using one or the another.

22 June 2014 4,609 1 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

Ideas for Phd's Thesis on pricing (Marketing)?

Hi everyone, I'm studying Marketing and I would like to write my PhD thesis on the topic of pricing. Any specific ideas?

02 March 2021 9,706 5 View

How to write a scientific report?

We are analysing scientific reports at University in great detail, so I wanted to find a scientific report about how to write a scientific report. Including detail such as what information to put...

02 March 2021 7,602 4 View

Could any one guide me, to write research proposal for grant? ?

We have one plant, the local people using this for controlling blood sugar, the toxicity and antidiabetic activity of the plant is not reported yet, please guide from whag should be the process ?...

02 March 2021 2,300 1 View

Energy minimization in LAMMPS using NVT ?

How do I do energy minimization in lammps with NVT ensemble ? I am using the following command and it does not seem to work. It stops at extremely high energy and gives me the error zero search...

01 March 2021 2,294 3 View

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01 March 2021 3,905 5 View

How to Balance Bench work with Reading and Writing?

I am a second-year grad student. I am finding it difficult finding time to read literature and write (things like qualifying exam, thesis, grants). I find myself so busy with bench work that I...

01 March 2021 3,325 4 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 3 View