The major steps to process wool from sheep to fabric are: shearing, cleaning/scouring, grading/sorting, carding, spinning, weaving, and finishing. Shearing removes the wool fleece from sheep annually. Cleaning/scouring removes contaminants from raw wool using alkaline baths. Grading/sorting separates wool by quality. Carding straightens and blends fibers. Spinning twists fibers into yarn on machines. Weaving forms yarn into fabric using basic weaves. Finishing includes fulling, stretching, crabbing and dyeing to felt, strengthen and finish the fabric.
Two different systems are followed in wool processing, the woolen system, and the worsted system. In the woolen system, the fibers are carded and then spun It affects the processing efficiency as well as the quality of the product.This presentation has focused on wool spinning particularly woolen & worsted spinning process.
Textile Fibers are the basic structural units of Textile fabrics. Knowing the building blocks of textile fibers(polymers) is vital inoder to explain chemical and physical properties.
Meat preservation without using chemical preservatives, which are generally carcinogenic or possess health risk factors in a natural way employing GRAS, non GM and Naturally occuring Microbes
Two different systems are followed in wool processing, the woolen system, and the worsted system. In the woolen system, the fibers are carded and then spun It affects the processing efficiency as well as the quality of the product.This presentation has focused on wool spinning particularly woolen & worsted spinning process.
Textile Fibers are the basic structural units of Textile fabrics. Knowing the building blocks of textile fibers(polymers) is vital inoder to explain chemical and physical properties.
Meat preservation without using chemical preservatives, which are generally carcinogenic or possess health risk factors in a natural way employing GRAS, non GM and Naturally occuring Microbes
How to Become a Thought Leader in Your NicheLeslie Samuel
Are bloggers thought leaders? Here are some tips on how you can become one. Provide great value, put awesome content out there on a regular basis, and help others.
FIBRE TO FARIC
A Material which is available in the form of thin and continuous stand is called Fibre.
The thin strands of thread that we see are made up of still thinner strands called Fibres.
The cloth produced by weaving or knitting textile fibre is called Fabric.
There are two types of fibres, vi
1. Natural Fibre
2. Man – Made fibre or Synthetic Fibre
This is fundamental description , processing of fiber to fabric and their types. types of fiber, spinning process, techniques of fabric making ,
cover basic natural fibers and fabric ,
the complate process off the raw cottan to the fabric making step by step including the video please reffer the link ::
--------------------------------------------------------------------------------------------------------------------------https://drive.google.com/file/d/1KRT5b3xeHhbDOnTjkNUouNzTr_ECpggs/view?usp=sharing
--------------------------------------------------------------------------------------------------------------------------
NOTE - open in MS office for better view and for support diffrent types of text
Technology of finishing presentation
Topic- Finishing of Silk
VIJAY PRAKASH
TEXTILE CHEMISTRY
STUDENT COUNCIL REPRESENTATIVE
GOVERNMENT CENTRAL TEXTILE TECHNOLOGY INSTITUTE KANPUR
SupplyCompass joins forces with Woolmark to develop a comprehensive guide to cover everything you need to know about wool. We also highlight the considerations for designing a collection with wool, the environmental, animal and social impacts, The Woolmark Company's certification, and the latest innovations in wool.
Presenting various Fiber and Fabrics used in the hospitality Industry and the structure of fibers, weaning method and Fabric types were described with required examples
Professional air quality monitoring systems provide immediate, on-site data for analysis, compliance, and decision-making.
Monitor common gases, weather parameters, particulates.
Deep Behavioral Phenotyping in Systems Neuroscience for Functional Atlasing a...Ana Luísa Pinho
Functional Magnetic Resonance Imaging (fMRI) provides means to characterize brain activations in response to behavior. However, cognitive neuroscience has been limited to group-level effects referring to the performance of specific tasks. To obtain the functional profile of elementary cognitive mechanisms, the combination of brain responses to many tasks is required. Yet, to date, both structural atlases and parcellation-based activations do not fully account for cognitive function and still present several limitations. Further, they do not adapt overall to individual characteristics. In this talk, I will give an account of deep-behavioral phenotyping strategies, namely data-driven methods in large task-fMRI datasets, to optimize functional brain-data collection and improve inference of effects-of-interest related to mental processes. Key to this approach is the employment of fast multi-functional paradigms rich on features that can be well parametrized and, consequently, facilitate the creation of psycho-physiological constructs to be modelled with imaging data. Particular emphasis will be given to music stimuli when studying high-order cognitive mechanisms, due to their ecological nature and quality to enable complex behavior compounded by discrete entities. I will also discuss how deep-behavioral phenotyping and individualized models applied to neuroimaging data can better account for the subject-specific organization of domain-general cognitive systems in the human brain. Finally, the accumulation of functional brain signatures brings the possibility to clarify relationships among tasks and create a univocal link between brain systems and mental functions through: (1) the development of ontologies proposing an organization of cognitive processes; and (2) brain-network taxonomies describing functional specialization. To this end, tools to improve commensurability in cognitive science are necessary, such as public repositories, ontology-based platforms and automated meta-analysis tools. I will thus discuss some brain-atlasing resources currently under development, and their applicability in cognitive as well as clinical neuroscience.
What is greenhouse gasses and how many gasses are there to affect the Earth.moosaasad1975
What are greenhouse gasses how they affect the earth and its environment what is the future of the environment and earth how the weather and the climate effects.
Richard's aventures in two entangled wonderlandsRichard Gill
Since the loophole-free Bell experiments of 2020 and the Nobel prizes in physics of 2022, critics of Bell's work have retreated to the fortress of super-determinism. Now, super-determinism is a derogatory word - it just means "determinism". Palmer, Hance and Hossenfelder argue that quantum mechanics and determinism are not incompatible, using a sophisticated mathematical construction based on a subtle thinning of allowed states and measurements in quantum mechanics, such that what is left appears to make Bell's argument fail, without altering the empirical predictions of quantum mechanics. I think however that it is a smoke screen, and the slogan "lost in math" comes to my mind. I will discuss some other recent disproofs of Bell's theorem using the language of causality based on causal graphs. Causal thinking is also central to law and justice. I will mention surprising connections to my work on serial killer nurse cases, in particular the Dutch case of Lucia de Berk and the current UK case of Lucy Letby.
Seminar of U.V. Spectroscopy by SAMIR PANDASAMIR PANDA
Spectroscopy is a branch of science dealing the study of interaction of electromagnetic radiation with matter.
Ultraviolet-visible spectroscopy refers to absorption spectroscopy or reflect spectroscopy in the UV-VIS spectral region.
Ultraviolet-visible spectroscopy is an analytical method that can measure the amount of light received by the analyte.
The ability to recreate computational results with minimal effort and actionable metrics provides a solid foundation for scientific research and software development. When people can replicate an analysis at the touch of a button using open-source software, open data, and methods to assess and compare proposals, it significantly eases verification of results, engagement with a diverse range of contributors, and progress. However, we have yet to fully achieve this; there are still many sociotechnical frictions.
Inspired by David Donoho's vision, this talk aims to revisit the three crucial pillars of frictionless reproducibility (data sharing, code sharing, and competitive challenges) with the perspective of deep software variability.
Our observation is that multiple layers — hardware, operating systems, third-party libraries, software versions, input data, compile-time options, and parameters — are subject to variability that exacerbates frictions but is also essential for achieving robust, generalizable results and fostering innovation. I will first review the literature, providing evidence of how the complex variability interactions across these layers affect qualitative and quantitative software properties, thereby complicating the reproduction and replication of scientific studies in various fields.
I will then present some software engineering and AI techniques that can support the strategic exploration of variability spaces. These include the use of abstractions and models (e.g., feature models), sampling strategies (e.g., uniform, random), cost-effective measurements (e.g., incremental build of software configurations), and dimensionality reduction methods (e.g., transfer learning, feature selection, software debloating).
I will finally argue that deep variability is both the problem and solution of frictionless reproducibility, calling the software science community to develop new methods and tools to manage variability and foster reproducibility in software systems.
Exposé invité Journées Nationales du GDR GPL 2024
Observation of Io’s Resurfacing via Plume Deposition Using Ground-based Adapt...Sérgio Sacani
Since volcanic activity was first discovered on Io from Voyager images in 1979, changes
on Io’s surface have been monitored from both spacecraft and ground-based telescopes.
Here, we present the highest spatial resolution images of Io ever obtained from a groundbased telescope. These images, acquired by the SHARK-VIS instrument on the Large
Binocular Telescope, show evidence of a major resurfacing event on Io’s trailing hemisphere. When compared to the most recent spacecraft images, the SHARK-VIS images
show that a plume deposit from a powerful eruption at Pillan Patera has covered part
of the long-lived Pele plume deposit. Although this type of resurfacing event may be common on Io, few have been detected due to the rarity of spacecraft visits and the previously low spatial resolution available from Earth-based telescopes. The SHARK-VIS instrument ushers in a new era of high resolution imaging of Io’s surface using adaptive
optics at visible wavelengths.
Remote Sensing and Computational, Evolutionary, Supercomputing, and Intellige...University of Maribor
Slides from talk:
Aleš Zamuda: Remote Sensing and Computational, Evolutionary, Supercomputing, and Intelligent Systems.
11th International Conference on Electrical, Electronics and Computer Engineering (IcETRAN), Niš, 3-6 June 2024
Inter-Society Networking Panel GRSS/MTT-S/CIS Panel Session: Promoting Connection and Cooperation
https://www.etran.rs/2024/en/home-english/
3. The major steps necessary to process wool
from the sheep to the fabric are:
shearing,
cleaning and scouring,
grading and sorting,
carding,
spinning,
weaving, and
finishing.
4.
5. Shearing
Sheep are sheared once a year.
The fleece recovered from a sheep can weigh between
6 and 18 pounds (2.7 and 8.1 kilograms).
While most sheep are still sheared by hand, new
technologies have been developed that use computers
and sensitive, robot-controlled arms to do the clipping.
6.
7. Australian scientists created a chemical method of
shearing called "bio-clip."
Injected with recombinant epidermal growth
factor (EGF), that causes the wool follicle to break
and the fleece to drop off on its own.
This causes natural disruption of hair growth,
allowing the wool to be slid, glove like, from the
sheep 4 weeks after the injection.
8.
9. Scientists have developed a shearing table so
the shearer doesn't have to hold the sheep.
They have also developed a "robot" for
shearing.
10. Cleaning and scouring
Wool taken directly from the sheep is called "raw" or
"grease wool."
It contains sand, dirt, grease, and dried sweat (called
suint).
Weight of contaminants 30 to 70 percent of the
fleece's total weight.
To remove these contaminants, the wool is scoured in a
series of alkaline baths containing water, soap, and
soda ash or a similar alkali.
11. Scouring is washing the wool in hot soapy water to
remove dirt, grease and dry plant matter from the
fleece.
The preferred water temperature for washing wool
is 140⁰F.
Use a mild soap.
Commercial processors may use a slight alkaline
solution (by adding sodium carbonate) to aid in the
scouring process.
12. The key is to keep the water temperature and the
volume of soap used as low as possible while still
being able to wash out the grease and dirt.
Wool that is very greasy will require hotter and
stronger solutions to remove the grease.
In the scouring process the wool undergoes several
soaks and rinses until the wash water remains
clean.
Let wool soak and avoid agitation.
13. Between each wash the wool is pressed or
squeezed to remove excess water.
When washing wool, consideration must be given
to the quality of the water.
14. Skirting a fleece:
The wool from the back end of the sheep, their
legs and sometimes their belly is too full of
manure to use. These are referred to as "tags”
These are removed first before washing the fleece;
this process is called skirting
15.
16. Lanolin, a kind of grease, is the by-product of this
process and it is purified for use in the manufacture of
cosmetics, soap and other household products.
used as a moisturizer to treat or prevent dry, rough,
scaly, itchy skin and minor skin irritations.
Lanolin oil is used as a stabilizer, as an emulsifier in
ointments, and in medications such as zinc oxide.
Lanolin oil benefits industries as an anticorrosive or a
lubricant and is often used in the leather industry.
17.
18. Grading and sorting
Grading is the breaking up of the fleece based on
overall quality.
In sorting, the wool is broken up into sections of
different quality fibers, from different parts of the
body.
The best quality of wool comes from the shoulders
and sides of the sheep and is used for clothing; the
lesser quality comes from the lower legs and is
used to make rugs.
19.
20. Wool Grading by the American Blood
Count System:
Fine Wool 2 1/2 inches in staple length
Very fine crimp (close
together)
1/2 Blood Wool 3 inches in staple length Medium fine crimp
3/8ths Blood Wool 3 1/2 inches in staple length Medium crimp
1/4 Blood Wool 4 inches in staple length Medium coarse crimp
Low 1/4 Wool 4 1/2 inches in staple length Coarse crimp (large waves)
Common 5 inches in staple length Very coarse
Braid 6 inches in staple length The most coarse
21. SPINNING COUNT:
It is defined as the number of hanks of yarn
that can be spun from a pound of wool.
A hank of wool is 560 yards long (560 yd/lb =
1.129 km/kg).
22. "A hank of wool is a length of wool pulled into
a coiled form. A hank of wool is used in heavier
textiles and for some furniture.”
A hank of linen is 300 yards or approx 270 metres
A hank of cotton or silk is 840 yards or approx
768 metres.
1 hank = 20 feet = 6.096 metres
23.
24. American
Blood Grade
Spinning
Count
Range for Average
Fiber Diameter (µm)
Maximum
Standard
Deviation
Fine Finer than 80s
80s
70s
64s
under 17.70
17.70-19.14
9.15-20.59
20.60-22.04
3059
4.09
4.59
5.19
1/2 Blood 62s
60s
22.05-23.49
23.50-24.94
5.89
6.49
3/8 Blood 58s
56s
24.95-26.39
26.40-27.84
7.09
7.59
1/4 Blood 54s
50s
27.85-29.29
29.30-30.99
8.19
8.69
Low 1/4 Blood 48s
46s
31.00-32.69
32.70-34.39
9.09
9.59
Common 44s
40s
34.40-36.19
36.20-38.09
10.09
10.69
Braid 36s
Coarser than 36s
38.10-40.20
more than 40.20
11.19
25.
26. The English (Bradford) Spinning Count System
or MICRON SYSTEM:
This originated in the 19th century (along with
mechanized spinning equipment).
It is the number of hanks of yarn, each 560 yards in
length, that it is possible to spin from one pound of
clean wool.
Finer the wool fiber, the more hanks (greater length,
thinner yarn) that can be obtained from one pound.
For this you need a microscope and a background slide
with micron crosshairs for comparison
27. Fine Wool 64 to 70 to 80 Hanks Less than 22.04 Microns
1/2 Blood 60 to 62 Hanks 22.05 to 24.94 Microns
3/8 Blood 56 to 58 Hanks 24.95 to 27.84 Microns
1/4 Blood 50 to 54 Hanks 27.85 to 30.99 Microns
Low 1/4 46 to 48 Hanks 31.00 to 34.39 Microns
Common 44 to 40 Hanks 34.40 to 36.19 Microns
Braid 40 to 36 Hanks 36.20 to 40.20 Microns
28. Delaine Merino 18 to 22 Microns
Rambouillet 19 to 25 Microns
New Zealand Merino 20 to 25 Microns
Targhee & Romeldale 22 to 26 Microns
Corriedale & Columbia 22 to 34 Microns
Southdown 24 to 31 Microns
Blue Leicester 24 to 28 Microns
Shropshire, Suffolk, Dorset Horn,
Montadale
25 to 31 Microns
Finish Landrace (Finns) & Cheviot 25 to 32 Microns
Oxford 29 to 34 Microns
Romney 31 to 36 Microns
Border Leicester 33 to 38 Microns
Lincoln & Cotswold 37 to 40 Microns
29. Breed Range of
Average Fiber
Diameter (µm)
Range of
Grease Fleece
Weight (lb)
Range of Clean
Wool Yield (%)
Border Leicester 38-30 8-12 60-70
Cheviot 33-27 5-8 50-65
Columbia 30-23 9-14 45-60
Cormo 22-19 10-14 60-70
Corriedale 31-24 9-14 45-60
Debouillet 23-18 9-14 45-55
Delaine-Merino 22-17 9-14 40-50
Dorset 32-26 5-8 50-65
Finnsheep 31-24 4-8 50-70
31. The clean wool now to be further processed before
being spun into woollen or worsted yarn.
Woollen yarn more bulky, hairy and irregular
than worsted yarn and today is used for items such
as carpets or knitwear.
Worsted yarn more tightly spun, smoother
looking than woollen yarn and stronger
32. Woolens Worsted
Spun from short wool fibers
(1-3 inches long)
Spun from long wool fibers
(more than 3")
Spun from medium or coarse
diameter wool fibers
Spun from fine diameter wool
fibers
Fibers are washed, scoured and
carded
Fibers are washed, scoured,
carded, combed and drawn
lower tensile strength than
worsteds
higher tensile strength than
woolens
low to medium twist tighter twist
Bulky, uneven yarn Fine, smooth yarn
Soft, fuzzy appearance crisp, smooth appearance
heavier weight lighter weight
not as durable as worsteds More durable than woolens
does not hold crease well holds crease well
33. Woolen Processing Worsted Processing
Spun from wool fibres of:
Length : spun from short fibres of 1-3”
Diameter: medium or coarse
The fibres are washed, scoured and carded.
Spun from wool fibres of:
Length : longer than 3”
Diameter: fine diameter
Fibres are washed, scoured, carded,
combed and drawn
Yarn
Bulky
Uneven
Low to medium slack twist
Tensile strength lower than worsted
Yarn
Fine
Smooth and Even
Tighter twist
Higher tensile strength
Fabric Appearance
Soft, Fuzzy, Heavier weight
Fabric Appearance
Crisp, Smooth,Lighter weight
Characteristics
Insulator due to trapped air
Does not hold a crease well
Less durable than worsted
Characteristics
Less insulator
Holds creases and shape
More durable than woollens
Uses
Sweater,Carpets,Tweeds
Uses
Suits, Dresses, Gabardines,Crepes
34.
35.
36. Carding
The fibers are passed through a series of metal teeth
that straighten and blend them into slivers.
Carding also removes residual dirt and other matter left
in the fibers.
Carded wool intended for worsted yarn is put through
combing, a procedure that remove short fibers and
place the longer fibers parallel to each other.
Carded wool to be used for woolen yarn is sent directly
for spinning.
37.
38.
39. Combing
Combing takes out the shorter fibres, also called
noils, and lines the longer fibres up parallel with
one another in a 'sliver‘ [A sliver is a long bundle
of fiber that is generally used to spin yarn].
40.
41.
42. Spinning
The craft of spinning is thousands of years old.
During the spinning process the fibres are twisted into
a long, continuous thread, or yarn. This used to be done
with ‘spindle whorls’
The invention of the spinning wheel greatly increased
the speed at which yarn could be spun.
Today, spinning can be done on a variety of machines,
depending on whether the yarn is destined to become
woollen or worsted cloth.
43.
44. Weaving
The wool yarn is woven into fabric.
Wool manufacturers use two basic weaves: the
plain weave and the twill.
Woolen yarns are made into fabric using a plain
weave (rarely a twill), which produces a fabric of a
somewhat looser weave and a soft surface (due to
napping) with little or no luster.
45.
46. Worsted yarns can create fine fabrics with
exquisite patterns using a twill weave.
The result is a more tightly woven, smooth fabric.
Better constructed, worsteds are more durable than
woolens and therefore more costly.
47. Finishing
After weaving, both worsteds and woolens
undergo a series of finishing procedures including:
• Fulling (immersing the fabric in water to make the
fibers interlock); and stretching.
• crabbing (permanently setting the interlock) and
decatsing (shrink-proofing);
• occasionally, dyeing.
48.
49.
50. Fulling
Use of heat, moisture and extreme agitation to
make a wool fabric shrink and therefore become
stronger and warmer
Fulling can reduce the size of a piece of cloth by
up to a third.
The cloth was then treated by being beaten with
large hammers called ‘stocks’.
51. Stretching
Fulling processes are followed by stretching the
cloth on great frames known as tenters, to which it
is attached by tenterhooks.
The area where the tenters were erected was
known as a tenterground.
52. Crabbing:
The process ensures that the fabric is stretched
or loosened as necessary and evens out the thickness of
the fabric.
Crabbing prevents the formation of creases or uneven
shrinkage.
53. DYEING:
As wool readily accepts dye colors, dyeing can
occur at almost any stage of the wool processing.
The two common stages for wool dyeing is right
after washing or after spinning wool into skeins of
yarn.
If the dyeing occurs after the wool is washed then
it is referred to as stock dyed wool.
If the wool is dyed after it is spun into yarn then it
is referred to as yarn dyed.