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Research Program (detailed)

Research Program (detailed) Kl9XL
The purpose of the current project is to know permeant interaction in the polymer. In this research, ammonia is the dissolved compound. Ammonia is a polar-chemical substance like water. The basis of its interaction with polymer is polarity. The polymer system chooses on this basis to get variant results. The ammonia-free energy inspects at infinite dilution with all-atom models. The chosen polymers are polyethylene, polyvinylidene difluoride, and polyvinyl acetate. In our daily life, we use them. Polyethylene is the material for plastic bags. Our water filter contains polyvinylidene difluoride. The polarity of them is different. Polyethylene is nonpolar. Its interaction with ammonia might be dipole-induced dipole interaction. The polar-interaction with ammonia polarity increases in order polyvinylidene difluoride < polyvinyl acetate. This work also uses the copolymers of ethylene, vinylidene difluoride, and vinyl acetate. It helps to study the variant polar and nonpolar contrast between constituent monomers. Polyethylene and vinyl acetate copolymer apply in the drug-delivery system. The performance of the polymer membrane needs to determine. So that, we must calculate the permeant dissolution free energy and diffusion coefficient. It observes with All-atom molecular dynamic simulation. It is a part of large-scale molecular dynamic simulation. This simulation can interpret many physical properties in biological systems and polymers. These properties are pore-size distribution, free energy, and substance diffusion. Those properties are difficult to observe by experiment in the laboratory. All-atom molecular dynamic is also an advanced method for polymers. It treats atomic detail and chain flexibility. But, this simulation requires large-scale computation currently. By standard simulation, many intermediate states produce in large quantities. It will increase the load in simulation. It becomes a challenge in computational research. Thus, the free energy of solvation measurement uses the method of energy representation. It is necessary to reduce computational demands. In this research, polymer species examination calculates in room temperature and pressure. Each system contains single polymer species. It is necessary to prepare the initial configuration of the polymer system. There are two different steps for this. First, prepare a single polymer chain. Next is to subject the polymer chain to isothermal Molecular Dynamic simulation. Some parameters need to consider. This work includes variant numbers of the polymerization degree of homopolymer. Then, the total number of monomers is constant. After the system is ready, insert The ammonia into the polymer system as a test particle. It results in the solvation-free energy of ammonia.
The purpose of the
This phrase/word (depending on the context) can be potentially replaced with :
current
project is to know
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permeant
You use this word too often, consider replacing it with
interaction
in the polymer. In this research, ammonia is the dissolved compound. Ammonia is a polar-chemical substance like water. The basis of its
You use this word too often, consider replacing it with
interaction
with polymer is polarity. The polymer
You use this word too often, consider replacing it with
system
chooses on this basis to
This phrase/word (depending on the context) can be potentially replaced with :
get
variant results.
Three successive sentences begin with the same word. Consider rewording the sentence or use a thesaurus to find a synonym.
The
ammonia-free
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energy
inspects at infinite dilution with all-atom models.

Three successive sentences begin with the same word. Consider rewording the sentence or use a thesaurus to find a synonym.
The
chosen polymers are polyethylene,
Possible spelling mistake found.
polyvinylidene
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difluoride
, and polyvinyl acetate. In our daily life, we
This phrase/word (depending on the context) can be potentially replaced with :
use
them. Polyethylene is the material for plastic bags. Our water filter contains
Possible spelling mistake found.
polyvinylidene
Possible spelling mistake found.
difluoride
. The polarity of them is
This phrase/word is too simple and can be replaced with:
different
. Polyethylene is
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nonpolar
. Its
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interaction
with ammonia might be dipole-induced dipole
You use this word too often, consider replacing it with
interaction
. The polar-interaction with ammonia polarity increases in order
Possible spelling mistake found.
polyvinylidene
Possible spelling mistake found.
difluoride
< polyvinyl acetate. This work
also
This phrase/word (depending on the context) can be potentially replaced with :
uses
the copolymers of ethylene,
Possible spelling mistake found.
vinylidene
Possible spelling mistake found.
difluoride
, and vinyl acetate. It
This phrase/word (depending on the context) can be potentially replaced with :
helps
to study the variant polar and
Possible spelling mistake found.
nonpolar
contrast between constituent monomers. Polyethylene and vinyl acetate copolymer apply in the drug-delivery system.

The performance of the polymer membrane needs to determine.
This phrase/word is too simple and can be replaced with:
So
that, we
This phrase/word (depending on the context) can be potentially replaced with :
must
calculate the
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permeant
dissolution free
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energy
and diffusion coefficient. It observes with All-atom
You use this word too often, consider replacing it with
molecular
You use this word too often, consider replacing it with
dynamic
You use this word too often, consider replacing it with
simulation
. It is a part of large-scale
You use this word too often, consider replacing it with
molecular
You use this word too often, consider replacing it with
dynamic
simulation.

This
You use this word too often, consider replacing it with
simulation
can interpret
This phrase/word is too simple and can be replaced with:
many
physical properties in biological
You use this word too often, consider replacing it with
systems
and polymers. These properties are pore-size distribution, free
You use this word too often, consider replacing it with
energy
, and substance diffusion. Those properties are difficult to observe by experiment in the laboratory.

All-atom
You use this word too often, consider replacing it with
molecular
You use this word too often, consider replacing it with
dynamic
is
also
an advanced method for polymers. It treats atomic detail and chain flexibility.
This phrase/word is too simple and can be replaced with:
But
, this
You use this word too often, consider replacing it with
simulation
requires large-scale computation
currently
. By standard
You use this word too often, consider replacing it with
simulation
,
This phrase/word is too simple and can be replaced with:
many
intermediate states produce in large quantities. It will increase the load in
You use this word too often, consider replacing it with
simulation
. It becomes a challenge in computational research.
Thus
, the free
You use this word too often, consider replacing it with
energy
of solvation measurement
This phrase/word (depending on the context) can be potentially replaced with :
uses
the method of
You use this word too often, consider replacing it with
energy
representation. It is necessary to
This phrase/word (depending on the context) can be potentially replaced with :
reduce
computational demands.

In this research, polymer species examination calculates in room temperature and pressure. Each
You use this word too often, consider replacing it with
system
contains single polymer species. It is necessary to prepare the initial configuration of the polymer
You use this word too often, consider replacing it with
system
. There are two
This phrase/word is too simple and can be replaced with:
different
steps for this.
First
, prepare a single polymer chain.
Next
is to subject the polymer chain to
Possible spelling mistake found.
isothermal
You use this word too often, consider replacing it with
Molecular
You use this word too often, consider replacing it with
Dynamic
You use this word too often, consider replacing it with
simulation
.
This phrase/word is too simple and can be replaced with:
Some
parameters need to consider. This work includes variant numbers of the polymerization degree of
Possible spelling mistake found.
homopolymer
. Then, the total number of monomers is constant. After the
You use this word too often, consider replacing it with
system
is ready, insert The ammonia into the polymer
You use this word too often, consider replacing it with
system
as a
This phrase/word (depending on the context) can be potentially replaced with :
test
particle. It results in the solvation-free
You use this word too often, consider replacing it with
energy
of ammonia.
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IELTS essay Research Program (detailed)

Essay
  American English
6 paragraphs
398 words
5.5
Overall Band Score
Coherence and Cohesion: 5.5
  • Structure your answers in logical paragraphs
  • ?
    One main idea per paragraph
  • Include an introduction and conclusion
  • Support main points with an explanation and then an example
  • Use cohesive linking words accurately and appropriately
  • Vary your linking phrases using synonyms
Lexical Resource: 5.0
  • Try to vary your vocabulary using accurate synonyms
  • Use less common question specific words that accurately convey meaning
  • Check your work for spelling and word formation mistakes
Grammatical Range: 6.5
  • Use a variety of complex and simple sentences
  • Check your writing for errors
Task Achievement: 5.0
  • Answer all parts of the question
  • ?
    Present relevant ideas
  • Fully explain these ideas
  • Support ideas with relevant, specific examples
Labels Descriptions
  • ?
    Currently is not available
  • Meet the criteria
  • Doesn't meet the criteria
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