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Friday, July 14, 2023
"ஒரே ராகம்" மோகன ராகத்தில் அமைந்த திரை இசைபாடல்கள்
Tuesday, July 4, 2023
எழுத்தும் தொழில்நுட்பமும்-ஜாக் டெரிடா PHILOSOPHY: Jacques Derrida
Mubeen Sadhika
What are the Benefits of Stinging Nettle
Stinging nettle, scientifically known as Urtica dioica, is a
perennial flowering plant that has been used for centuries due to its numerous
health benefits. Despite its reputation for causing a painful sting when
touched, stinging nettle offers a range of advantages when properly processed
and utilized. From its rich nutrient profile to its potential therapeutic
properties, here are some of the benefits associated with stinging nettle:
Nutritional Value: Stinging nettle is a nutrient powerhouse,
containing an array of vitamins and minerals. It is particularly rich in
vitamins A, C, and K, as well as iron, calcium, magnesium, and potassium.
Including stinging nettle in your diet can help meet your daily nutritional
requirements.
Anti-inflammatory Properties: Stinging nettle possesses
anti-inflammatory properties that have been utilized in traditional medicine.
It contains compounds like flavonoids and carotenoids that help reduce
inflammation in the body. This makes it potentially beneficial for managing conditions
such as arthritis, gout, and allergic reactions.
Allergy Relief: Stinging nettle has long been used as a
natural remedy for allergies, especially hay fever. Research suggests that the
plant can inhibit the production of histamine, a substance that triggers
allergic reactions. Consuming stinging nettle or using it in the form of a
herbal supplement may help alleviate symptoms like sneezing, itching, and nasal
congestion.
Prostate Health: Extracts from stinging nettle root have
been studied for their potential benefits in supporting prostate health. They
may help reduce the symptoms of benign prostatic hyperplasia (BPH), a common
condition characterized by an enlarged prostate gland. Stinging nettle extract
can help improve urinary flow and alleviate discomfort associated with BPH.
Blood Sugar Control: Preliminary research suggests that
stinging nettle may play a role in managing blood sugar levels. Some studies
have shown that stinging nettle leaf extract can improve glucose metabolism and
enhance insulin sensitivity. However, more research is needed to fully
understand its effects on diabetes management.
Skin Health: Topical application of stinging nettle has been
used to address various skin conditions. It can provide relief from itching,
irritation, and inflammation associated with eczema, dermatitis, and insect
bites. Stinging nettle extracts or creams can be applied directly to the
affected area to soothe the skin and promote healing.
Rich in Antioxidants: Stinging nettle contains a variety of
antioxidants, including flavonoids, phenolic compounds, and vitamin C. These
antioxidants help neutralize harmful free radicals in the body, reducing
oxidative stress and potentially lowering the risk of chronic diseases.
Detoxification Support: Stinging nettle has diuretic
properties, meaning it promotes urine production and can aid in flushing out
toxins from the body. It may support kidney function and help cleanse the
urinary system, thereby contributing to overall detoxification.
Bone Health: The high mineral content of stinging nettle,
including calcium, magnesium, and silica, makes it beneficial for maintaining
strong and healthy bones. Regular consumption of stinging nettle, either in the
form of tea or supplements, may help prevent osteoporosis and improve bone
density.
Culinary and Culinary Uses: Stinging nettle can be used in
various culinary preparations. Young nettle leaves can be blanched or steamed
and used as a nutrient-rich ingredient in soups, stews, pesto, and teas. It
offers a unique flavor profile and adds a nutritional boost to your meals.
Despite its potential benefits, it's important to note that stinging nettle may cause allergic reactions in some individuals. It is advisable to consult a healthcare professional before incorporating it into your diet or using it for medicinal purposes, especially if you have
Tuesday, June 27, 2023
The general steps to compress syngas ,System and method for syngas clean-up
Syngas, or synthesis gas, combines carbon monoxide (CO), hydrogen (H2), and other trace gases. The compression of syngas involves reducing its volume while increasing its pressure. Here are the general steps to compress syngas:
Understand the requirements: Determine the desired pressure level and the flow rate of syngas that needs to be compressed. This information will help you select the appropriate equipment.
Select a compressor: Choose a compressor that is suitable for handling syngas. Centrifugal compressors and reciprocating compressors are commonly used for gas compression. Consider factors such as the required pressure ratio, flow rate, gas properties, and efficiency when selecting a compressor.
Prepare the syngas: Syngas may contain impurities and contaminants that could damage the compressor or affect its performance. Pre-treat the syngas to remove particulates, moisture, sulfur compounds, or other impurities. This may involve using filtration, scrubbing, or drying equipment. Gasification of municipal solid waste (MSW) with subsequent utilization of syngas in gas engines/turbines and solid oxide fuel cells can substantially increase the power generation of waste-to-energy facilities and optimize the utilization of wastes as a sustainable energy resource. However, purification of syngas to remove multiple impurities such as particulates, tar, HCl, alkali chlorides and sulfur species is required. This study investigates the feasibility of high-temperature syngas purification from MSW gasification, focusing on catalytic tar reforming and desulfurization. Syngas produced from a downdraft fixed-bed gasifier is purified by a multi-stage system. The system comprises a fluidized-bed catalytic tar reformer, a filter for particulates and a fixed-bed reactor for dechlorination and desulfurization with overall downward cascading of the operating temperatures throughout the system. Novel nanostructured nickel catalysts supported on alumina and regenerable Ni-Zn desulfurization sorbent loaded on honeycomb are synthesized. Complementary sampling and analysis methods are applied to quantify the impurities and determine their distribution at different stages.
Compressor setup: Install the selected compressor in a suitable location, following the manufacturer's instructions and safety guidelines. Ensure the compressor is connected to the syngas source and any necessary pre-treatment equipment.
Compress the syngas: Start the compressor and adjust its settings to achieve the desired compression ratio. The compression process will reduce the volume of syngas while increasing its pressure. The specific procedures and controls will depend on the type of compressor used.
Cooling: Compressing syngas generates heat, which needs to be dissipated to avoid damage to the compressor and ensure efficient operation. Employ cooling mechanisms, such as intercoolers or heat exchangers, to remove excess heat during compression.
Storage and distribution: Once the syngas is compressed, it can be stored in suitable containers, such as high-pressure cylinders or tanks. If the compressed syngas needs to be transported, ensure proper safety measures and follow applicable regulations.
It's important to note that compressing syngas can be a complex process, and the specific requirements and equipment may vary depending on the scale and application. It is recommended to consult with experts or engineers experienced in gas compression to ensure safe and efficient syngas compression.
Friday, May 5, 2023
பெண் பாலியல் விருப்பமும் விடுதலையும்-லூச் இரிகரை (LUCE IRIGARAY)
Mubeen Sadhika
Wednesday, May 3, 2023
The steps to use paddy husk gasification for Rural Electrification
The energy cost now strongly depends on the prices of
fossil fuels due to the world's intense fuel dependence on energy production.
This is causing pain in most of the world's nations, and Sri Lanka is no
different. From this perspective, the promotion of biomass as a source of
renewable energy is significant to the country. Given that rice is the nation's
leading food and the crop with the most considerable area under cultivation, it has been
discovered that the rice husk (RH) produced during paddy processing has a
significant potential for producing electricity.
Paddy husk gasification is a process that can be used to generate electricity from agricultural waste, specifically the husks of rice. The process involves heating the husks in a gasifier, which breaks down the biomass into a gas that can power an engine or a turbine to generate electricity.
The Husk Power Systems (HPS) and Decentralized Energy
Systems India (DESI), two businesses that have successfully offered power
access utilizing this resource, have popularized rice husk-based electricity
generation and supply throughout South Asia. To examine the factors
that make a small-scale rural power supply company profitable and determine
whether a collection of villages can be electrified using a larger facility.
Using a financial analysis of alternative supply alternatives that consider the
residential and commercial electricity demands under various scenarios, Serving
just consumers with low electricity usage results in the electricity-producing
facility only being used to part of its capacity, which raises the cost of supply.
Increased electricity use improves financial viability and considerably helps
high-consumption clients. The feasibility and levelized cost of the collection
are enhanced by integrating rice mill demand, especially during the off-peak
period, with a predominant residential peak demand system. Finally, larger
plants significantly reduce costs to provide a competitive supply. However, the
more critical investment requirement, risks associated with the rice mill's
monopoly supply of husk, organizational challenges related to managing a more
extensive distribution area, and the possibility of plant failure could
negatively impact investor interest.
Here are the steps to use paddy husk gasification for rural
electrification:
Assess the availability of paddy husk: The first step is to
determine the amount of paddy husk available in the rural area. This will help
to determine the size of the gasification system that will be needed.
Choose the gasification system: There are different types of gasification systems available, including fixed beds, fluidized beds, and entrained flow gasifiers. The choice of the gasification system will depend on the amount of paddy husk available and the amount of electricity that needs to be generated.
Install the gasification system: Once chosen, it must be installed in the rural area. The design should be located close to the source of the paddy husk to minimize transportation costs.
Operate the gasification system: It must be operated properly to ensure electricity is generated efficiently. This involves feeding the paddy husk into the gasifier and maintaining the appropriate temperature and pressure.
Distribute the electricity: The generated electricity can be distributed to the surrounding rural area using a grid or a microgrid. The distribution system should be designed to meet the needs of the rural community.
Monitor and maintain the system: It is essential to monitor the gasification system to ensure that it operates efficiently and to perform regular maintenance to prevent breakdowns and ensure a long lifespan.
In summary, paddy husk gasification can be a sustainable
solution for rural electrification.
Saturday, April 29, 2023
வாழ்வின் வடிவமும் அரசியலும்-அகம்பென்
வாழ்வின் வடிவம் குறித்து கிரேக்கத்தில் இரு சொற்களில் விளக்கப்படுகிறது. ஒன்று எல்லா உயிரிகளின் நடைமுறை வாழ்தலைக் குறிப்பது. மற்றொன்று ஒரு குறிப்பிட்ட உயிரி அல்லது குழுவைச் சார்ந்தவர்களின் வாழ்தலைக் குறிப்பது. வாழ்வின் வடிவம் என அகம்பென் குறிப்பது வாழ்விலிருந்து எப்போதும் அதன் வடிவத்தைப் பிரிக்கவே முடியாது என்ற பொருளில் ஆகும்.
Thanks Mubeen Sadhika
Friday, April 28, 2023
வரலாற்றுக்கு முந்திய கால திருகோணமலை.
Balasingam Sugumar
Thursday, March 30, 2023
What is Plant-e
In Plant-e's technology, electrodes are placed in the soil near the roots of the plants, and the bacteria living in the soil around the roots consume the organic matter and produce electrons, which can then be captured and used to generate electricity. The technology has potential applications in renewable energy, agriculture, and environmental monitoring.
While the technology is still in its early stages of development, it has shown promise as a sustainable and environmentally-friendly alternative to traditional forms of energy generation.
Wednesday, March 22, 2023
மதமும் உண்மையும்-ஜிஜெக்கின் விளக்கம்
Mubeen Sadhika
Thursday, March 16, 2023
Biorefineries
Biorefinery can be defined as a framework or a structure in which biomass is utilized optimally to produce multiple products and tries to be self-sustaining and not harmful to the environment.
A biorefinery is a facility that integrates biomass conversion processes and equipment to produce fuels, power, and value-added chemicals from biomass. Biorefinery is analogous to today’s petroleum refinery, which has multiple fuels and products from petroleum. By producing several products, a biorefinery takes advantage of the various components in biomass and their intermediates, maximizing the value derived from the biomass feedstock.
Global issues such as environmental problems and food security are currently of concern to all of us. Circular economy is a promising approach towards resolving these global issues. The production of bioenergy and biomaterials can sustain the energy–environment nexus as well as substitute the devoid of petroleum as the production feedstock, thereby contributing to a cleaner and low-carbon environment. In addition, the assimilation of waste into bioprocesses for the production of valuable products and metabolites leads towards a sustainable circular bioeconomy.
Wednesday, March 15, 2023
பாலியல் உறவுகளும் மீகற்பனையும்(fantasy)-ஜிஜெக்கின்(Slavoj Zizek) விளக்கம்
தற்காலத்தின் மிக முக்கியமான மார்க்ஸியச் சிந்தனையாளர்,
சமூக-அரசியல் விமர்சகர்.
Thanks ;Mubeen Sadhika
Sunday, March 12, 2023
Philosophy of Absurdism by Albert Camus
According to many, the most fundamental philosophical question is what existence means. This is a question that Albert Camus explored in his novels, plays, and essays. His view of life was called absurdism, which held that life had no inherent meaning and that the search for meaning was ultimately futile. Camus even went so far as to suggest that suicide might be the only logical response to this absurdity.
Camus dismissed religion as a source of meaning since it was based on an illusion, and even if God did exist, the amount of pain and suffering in the world made God either an imbecile or a psychopath. Finding Findingships with other people was also dismissed as absurd because everyone we know and love will eventually die, and many will suffer before they do.
Camus did not believe that embracing illusion, as Nietzsche suggested, was a solution to the problem. Instead, Camus believed we should openly acknowledge and embrace life's absurdity. He used the example of Sisyphus, who was condemned to push a boulder up a mountain only to have it roll back down, yet continued to do so for eternity.
While this may not seem like a solution to the problem, Camus believed we needed to confront the truth of life's absurdity and refuse to let it destroy us. He suggested that we "imagine Sisyphus happy," although it may not be comforting.
In conclusion, whether life is absurd is a fundamental philosophical problem, and Camus' view of absurdism suggests that life has no inherent meaning. However, his solution was to confront the truth of this absurdity and embrace it, rather than give in to despair or seek illusory solutions.'
Suicide
Camus unreservedly condemned, strictly criticized, and rejected suicide and existential leap because suicide is a total surrender to absurdity and a full confession that life is too much on the individual. His interest in existentialism is to explain the meaninglessness of life through his explication of the absurd, which is found in human existence, and which continues to torment man until the finality of his existence, which is death. The knowledge that life is absurd is already a step towards conquering the meaninglessness of life. For Camus, therefore, since the absurd has no meaning, man must hold himself apart from it and revolt against it. This is why he suggested philosophical suicide as a solution to reverse the absurdity of life. The question then is, since man believes in the absurdity of existence, then how and where should he direct his conduct? Does suicide solve this problem? The consequences of Camus’ submissions are enormous, but be that as it may, this work attempts a study of the absurdity inherent in human existence to answer the following questions: How far did Camus achieve the idea of the absurdity of life? How realistic is Camus’ attempt to analyze life as meaningless apart from the meaning we give to it? Did Camus actually succeed in his effort to show that life is absurd? Finally, what are the implications of Camus’ absurdity to philosophy and life? This work will adopt expository and analytic methodological approaches. Here we shall, with a detailed and deep reflective inquiry, expose the place of absurdity in Camus’ philosophy to fully understand his understanding of life.
Causes of Cancer You've Never Heard About
Understanding risk factors
A cancer risk factor increases a person’s chance of getting cancer. Yet most risk factors do not directly cause cancer. Some people with several risk factors never develop cancer. And others with no known risk factors do.
Knowing your risk factors and discussing them with your healthcare team is essential. It will help you make better lifestyle choices to improve your health. This information could also help your doctor decide if you need genetic testing and counselling (see below).
General risk factors for cancer include:
Older age
A personal or family history of cancer
Using tobacco
Obesity
Alcohol
Some types of viral infections, such as human papillomavirus (HPV)
Specific chemicals
Exposure to radiation, including ultraviolet radiation from the sun
You can avoid some risk factors by stopping risky behaviours. These include using tobacco and alcohol, being overweight, and getting multiple sunburns. Other risk factors cannot be avoided, such as getting older. Learn about the risk factors for certain types of cancer.
Risk factors and cancer screening
Understanding your risk for cancer can help your doctor decide whether you could benefit from the following:
A cancer screening test, such as a mammogram or colonoscopy
A screening test at an earlier age and more often than routine screening
Surgery or medication to lower your cancer risk
For example, a woman whose mother had breast cancer is at least twice as likely to have breast cancer than a woman who does not have the same family history. Some women have strong family histories or genetic mutations linked to breast cancer. Since they are at a very high risk of breast cancer, they may remove their breasts to prevent cancer. This surgery appears to lower the risk of breast cancer by at least 95%. Also, these women may take medicine to lower the risk of breast cancer.
People with a strong family history of cancer may consider genetic testing. Your doctor or genetic counsellor can discuss getting specific genetic tests. They can tell you your risk of getting cancer based on your family history and other factors.
Understanding the difference between absolute and relative risk
Doctors use absolute and relative risk to assess if a person's risk is higher or lower than that of the general population or a specific group.
Absolute risk is the chance of a person developing a disease during a given time. This identifies how many people are at risk for disease in the general population.
For instance, consider the statement, “1 out of 8 women (12.5%) will get breast cancer in her lifetime.” This describes the absolute risk for the general population of women. It cannot identify the risk for a certain person or group. For example, absolute risk cannot show if a group of older women has a higher risk of breast cancer than younger women.
Relative risk compares the risk of disease between two groups of people. It resembles one group with a specific risk factor for a disease to another group’s threat.
For instance, imagine you are comparing the risk of breast cancer among 2 groups of 100 women. But only the women in 1 group have a particular risk factor for breast cancer. The other group of women does not have this risk factor. Researchers track how many people from each group develop cancer over time. Let’s say they find that 2 women with the same risk factor get cancer. But only 1 woman without this risk factor gets cancer. Then those in the first group have 2 times the risk of the second group. This is a 100% increase in relative risk. However, the absolute risk would be 2% or 2 out of 100 people.
Patients can use risk measurements to make better lifestyle choices or cancer screening choices. It is also important to know the difference between absolute and relative risk. For instance, the relative risk in the last example might sound high. It identified a person’s relative risk of developing cancer by 100%. But look at the absolute risk to get a more complete picture. That is, 1 person in 100 compared to 2 people in 100. If you want to compare the research you hear about in the news to your own situation, ensure you find the absolute risk. Most research studies report relative risks. This can make the risk sound higher than it actually is.