What studies are known for the calculation of doubled wells and wells with unloading the bottom of the filter column?

22 May 2019 0 1K Report

What studies are known for the calculation of doubled wells and wells with unloading the bottom of the filter column? (page 112-116)

Badges
Science topic

Similar topics
Analytical Chemistry
Column

More Vjacheslav Fisenko's questions See All

What alternative NDVI more accurate indices (photosynthesis rate-chlorophyll concentration) were found?

The increase in plant biomass during feeding depends on the intensity of chlorophyll photosynthesis, and the NDVI is too coarse for this index - it poorly follows the high chlorophyll content and...

10 December 2019 4,310 8 View

How much drinking water and electricity in your city can a household buy for an average (per 1 person) wage?

To calculate the index of water and energy supply: how many m3 of clean drinking water can 1 person buy for 1/2 the average wage and how many KW * hour of electricity can 1 person buy for the...

02 February 2019 7,797 4 View

Who has the results for the industrial manufacture of pipes from polymers with alloying SWCNT?

Improving the efficiency of use of materials reduces the "material use" in 2 times the base materials, due to the effect of doping materials SWCNT - changes in the properties of materials when...

30 December 2018 5,036 3 View

How do pumps manufactured by large multinational concerns differ from similar "imitation" pumps manufactured in China and developing countries?

The issue of countries' commitments to reduce greenhouse gas emissions (NDC) is key to the climate process. Experts estimate that to keep the temperature on the planet in the range of 1.5-2...

25 December 2018 7,392 0 View

How to minimize the value of a function?

I am engaged in earthquake prediction. I am studying the change in the trend of seismic signal. In the process of this study, I need to look for the minimum deviation of the trend model from the...

21 November 2018 6,418 3 View

By what criteria can we estimate the efficiency of energy recovery by the PAT system?

In water supply systems, in water distribution networks, there are nodes with excess water pressure, this reduces the efficiency of water supply systems. Many researchers are proposing to...

14 August 2018 7,222 0 View

Which type of compound does lamda max of 218 indicate in a uv-vis spectrum of a partially purified compound through column and TLC?

A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...

11 August 2024 9,801 2 View

Can you connect an HPLC to a Mass Spec only at a certain time point?

Can anyone explain this method? Especially the last statement where it says only at 1.5 to 2.5mins was the MS/MS connected to the UPLC. How is that possible, is it a feature in this specific...

11 August 2024 8,141 3 View

RNA Extraction Using Hot Borate Method No Longer Working?

I've been performing RNA extraction on cotton petiole tissue for a few months now using the method described in the following paper, a derivative of the typical hot borate method...

08 August 2024 9,882 2 View

Can I use a HisTRAP column for affinity chromatography?

I'm working on selecting antibodies against a recombinant protein that has a His-tag. My idea is to first bind the recombinant protein to a HisTRAP column and then use this column for an affinity...

07 August 2024 505 3 View

Hi, please what is the best tool on Aspen plus that can help me get the best inlet temperature and pressure for cryogenic distillation?

I am trying to recover liquid CO2 from a mixture of 0.6 CO2, 0.3 N2, and 0.1 O2. My aim is to recover about 99% liquid CO2 at the bottom of the column and make sure the amount of gaseous CO2...

06 August 2024 4,611 0 View

Is the black sediment consider as sand? If not, how can I filter it out?

Hi researchers! I'm working on soil texture analysis, and the end result for sand is doubtful because there is black sediment appearing after drying, as shown in the figure. Is it considered sand?...

30 July 2024 557 2 View

How to perform EEG source analysis on each trial of data separately?

Hello Everyone I have a question about structure for connectivity analysis on sources. My goal: preprocess and cut data into trials create headmodels, using template MRI file perform source...

30 July 2024 2,744 1 View

A positively charged and 10x his-tagged protein that doesn't bind to any chromatographic resin?

Hello everyone, I am currently working on a protein that is 10x his-tagged and positively charged (predicted pI=10.16). But when I tried to use Ni-NTA column to purify the protein, it's not...

24 July 2024 7,293 4 View

Why is trifluoroacetic acid (TFA) used in c-18 column?

I would like to know the role of the TFA (trifluoroacetic acid) used on reverse phase chromatography c-18 column. It's is often used with a concentration of 0.1% on the mobile phase.

23 July 2024 8,075 3 View

Can we isolate microplastic from sludge sample without using vacuum filter..?

isolation of microplastic from sludge sample using centrifugation ..

23 July 2024 6,418 0 View