Apakah sains english
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Science is part of everyday life, as seen through the objects we use, the food we eat, and the transportation available. Science seeks to answer questions about how things work in nature, like how ships float or birds migrate. Answering these questions requires careful study and consideration of many facts. Science is the systematic study of nature and how it affects us and our environment. Different fields of science like biology, physics, chemistry, and geology study different aspects of nature. Scientists investigate through research and experimentation to discover new answers and understand how and why things happen.
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Science is a way of learning about the natural world through observation and questioning. It uses evidence from experiments and studies to form explanations called scientific theories. Theories can change as new evidence becomes available. Science aims to explain natural phenomena through facts and evidence rather than opinions or beliefs. It is divided into life science, earth science, and physical science. Technology applies scientific knowledge for practical uses. While science can explain many things, it cannot answer moral, ethical, or religious questions.
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留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
The binding of cosmological structures by massless topological defects
Assuming spherical symmetry and weak field, it is shown that if one solves the Poisson equation or the Einstein field
equations sourced by a topological defect, i.e. a singularity of a very specific form, the result is a localized gravitational
field capable of driving flat rotation (i.e. Keplerian circular orbits at a constant speed for all radii) of test masses on a thin
spherical shell without any underlying mass. Moreover, a large-scale structure which exploits this solution by assembling
concentrically a number of such topological defects can establish a flat stellar or galactic rotation curve, and can also deflect
light in the same manner as an equipotential (isothermal) sphere. Thus, the need for dark matter or modified gravity theory is
mitigated, at least in part.
Authoring a personal GPT for your research and practice: How we created the Q...
Thematic analysis in qualitative research is a time-consuming and systematic task, typically done using teams. Team members must ground their activities on common understandings of the major concepts underlying the thematic analysis, and define criteria for its development. However, conceptual misunderstandings, equivocations, and lack of adherence to criteria are challenges to the quality and speed of this process. Given the distributed and uncertain nature of this process, we wondered if the tasks in thematic analysis could be supported by readily available artificial intelligence chatbots. Our early efforts point to potential benefits: not just saving time in the coding process but better adherence to criteria and grounding, by increasing triangulation between humans and artificial intelligence. This tutorial will provide a description and demonstration of the process we followed, as two academic researchers, to develop a custom ChatGPT to assist with qualitative coding in the thematic data analysis process of immersive learning accounts in a survey of the academic literature: QUAL-E Immersive Learning Thematic Analysis Helper. In the hands-on time, participants will try out QUAL-E and develop their ideas for their own qualitative coding ChatGPT. Participants that have the paid ChatGPT Plus subscription can create a draft of their assistants. The organizers will provide course materials and slide deck that participants will be able to utilize to continue development of their custom GPT. The paid subscription to ChatGPT Plus is not required to participate in this workshop, just for trying out personal GPTs during it.
8.Isolation of pure cultures and preservation of cultures.pdf
Isolation of pure culture, its various method.
Applied Science: Thermodynamics, Laws & Methodology.pdf
When I was asked to give a companion lecture in support of ‘The Philosophy of Science’ (https://shorturl.at/4pUXz) I decided not to walk through the detail of the many methodologies in order of use. Instead, I chose to employ a long standing, and ongoing, scientific development as an exemplar. And so, I chose the ever evolving story of Thermodynamics as a scientific investigation at its best.
Conducted over a period of >200 years, Thermodynamics R&D, and application, benefitted from the highest levels of professionalism, collaboration, and technical thoroughness. New layers of application, methodology, and practice were made possible by the progressive advance of technology. In turn, this has seen measurement and modelling accuracy continually improved at a micro and macro level.
Perhaps most importantly, Thermodynamics rapidly became a primary tool in the advance of applied science/engineering/technology, spanning micro-tech, to aerospace and cosmology. I can think of no better a story to illustrate the breadth of scientific methodologies and applications at their best.
The debris of the ‘last major merger’ is dynamically young
The Milky Way’s (MW) inner stellar halo contains an [Fe/H]-rich component with highly eccentric orbits, often referred to as the
‘last major merger.’ Hypotheses for the origin of this component include Gaia-Sausage/Enceladus (GSE), where the progenitor
collided with the MW proto-disc 8–11 Gyr ago, and the Virgo Radial Merger (VRM), where the progenitor collided with the
MW disc within the last 3 Gyr. These two scenarios make different predictions about observable structure in local phase space,
because the morphology of debris depends on how long it has had to phase mix. The recently identified phase-space folds in Gaia
DR3 have positive caustic velocities, making them fundamentally different than the phase-mixed chevrons found in simulations
at late times. Roughly 20 per cent of the stars in the prograde local stellar halo are associated with the observed caustics. Based
on a simple phase-mixing model, the observed number of caustics are consistent with a merger that occurred 1–2 Gyr ago.
We also compare the observed phase-space distribution to FIRE-2 Latte simulations of GSE-like mergers, using a quantitative
measurement of phase mixing (2D causticality). The observed local phase-space distribution best matches the simulated data
1–2 Gyr after collision, and certainly not later than 3 Gyr. This is further evidence that the progenitor of the ‘last major merger’
did not collide with the MW proto-disc at early times, as is thought for the GSE, but instead collided with the MW disc within
the last few Gyr, consistent with the body of work surrounding the VRM.
EWOCS-I: The catalog of X-ray sources in Westerlund 1 from the Extended Weste...
Context. With a mass exceeding several 104 M⊙ and a rich and dense population of massive stars, supermassive young star clusters
represent the most massive star-forming environment that is dominated by the feedback from massive stars and gravitational interactions
among stars.
Aims. In this paper we present the Extended Westerlund 1 and 2 Open Clusters Survey (EWOCS) project, which aims to investigate
the influence of the starburst environment on the formation of stars and planets, and on the evolution of both low and high mass stars.
The primary targets of this project are Westerlund 1 and 2, the closest supermassive star clusters to the Sun.
Methods. The project is based primarily on recent observations conducted with the Chandra and JWST observatories. Specifically,
the Chandra survey of Westerlund 1 consists of 36 new ACIS-I observations, nearly co-pointed, for a total exposure time of 1 Msec.
Additionally, we included 8 archival Chandra/ACIS-S observations. This paper presents the resulting catalog of X-ray sources within
and around Westerlund 1. Sources were detected by combining various existing methods, and photon extraction and source validation
were carried out using the ACIS-Extract software.
Results. The EWOCS X-ray catalog comprises 5963 validated sources out of the 9420 initially provided to ACIS-Extract, reaching a
photon flux threshold of approximately 2 × 10−8 photons cm−2
s
−1
. The X-ray sources exhibit a highly concentrated spatial distribution,
with 1075 sources located within the central 1 arcmin. We have successfully detected X-ray emissions from 126 out of the 166 known
massive stars of the cluster, and we have collected over 71 000 photons from the magnetar CXO J164710.20-455217.
Micronuclei test.M.sc.zoology.fisheries.
Current Ms word generated power point presentation covers major details about the micronuclei test. It's significance and assays to conduct it. It is used to detect the micronuclei formation inside the cells of nearly every multicellular organism. It's formation takes place during chromosomal sepration at metaphase.
ESR spectroscopy in liquid food and beverages.pptx
With increasing population, people need to rely on packaged food stuffs. Packaging of food materials requires the preservation of food. There are various methods for the treatment of food to preserve them and irradiation treatment of food is one of them. It is the most common and the most harmless method for the food preservation as it does not alter the necessary micronutrients of food materials. Although irradiated food doesn’t cause any harm to the human health but still the quality assessment of food is required to provide consumers with necessary information about the food. ESR spectroscopy is the most sophisticated way to investigate the quality of the food and the free radicals induced during the processing of the food. ESR spin trapping technique is useful for the detection of highly unstable radicals in the food. The antioxidant capability of liquid food and beverages in mainly performed by spin trapping technique.
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aziz sancar nobel prize winner: from mardin to nobel
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Apakah sains english
- 1. 1
- 2. 2 We noticed that science is part of everyday life. -The objects we see. -The food we eat. -The clothes we wear. -The growth we experience. -The transport we take. -The computer and energy we use.
- 3. How does a ship float? Why does some birds fly south for the winter? Can life exist on other planets? Why does an astronaut float in outer space? How does the butterfly help plant when it feeds on flowers? What is the role of sc in health care? How is an X-ray film produced? 3
- 4. 4 •People are searching for the answer for above question. •The answer for the question are complex and require careful thought and study. •Many facts are needed to answer the question correctly.
- 5. 5
- 6. Science is the systematic study of things around us. Science is the systematic study of nature and how it affects us and the environment. Science is the knowledge of thing that happen in nature – “natural phenomena”, not made or cause by humans. 6
- 7. 7 The growth of plant. Where do plants get their food? The formation of a rainbow. How is a rainbow formed. The growth of a baby to an adult. How does growth take place? The melting of ice. Why does ice melt?
- 8. 8
- 9. 9
- 10. Biology Physics Chemistry Geology Astronomy Meteorology 10
- 11. Field of Study The study of living things Careers Doctors, teachers, biologist 11
- 12. Field of study The study of power and energy Careers The physicist, engineer 12
- 13. Field of Study The study of the chemical and its composition Careers Pharmacist, Chemist 13
- 14. Field of Study The study of rocks and minerals Careers geologist 14
- 15. Field of Study The study of planets and stars Careers Astronomer 15
- 16. Field of Study The study of weather and climate Careers Meteorologist 16
- 17. 17 Is science important only to scientists? Can ordinary people benefit from it? Why do we need to understand science? Who is scientists?
- 18. 18 Scientists are investigators. They are people who want to discover things for themselves. They want to know “how” and “why” of things. Spend a great deal of time trying to think of ways by which they can discover answers to their problems. They want to test ideas through research and experiment to see if they are true.
- 19. 19 1) AREA Agriculture CONTRIBUTION • Production of high quality of crops • Invention of machines for ploughing, planting and harvesting.
- 20. 20 2)AREA Medicine CONTRIBUTION •Invention of new vaccines to cure diseases. •Discovery of new medical techniques, such as organ transplant and cell cloning.
- 21. 21 3) AREA Industry CONTRIBUTION •Production of food •Production of man-made materials, such as plastics
- 22. 22 4) AREA Transportation CONTRIBUTION •Invention of jets, aeroplanes and electrical trains. •Construction of modern infrastructure, such as subway and expressway
- 23. 23 5) AREA Information and communication technology (ICT) CONTRIBUTION •Invention of the internet and email •Application of wireless technology, such as mobile phones and remote controls
- 24. 24 5) AREA Education SUMBANGAN •Makes the learning process more interesting •Applying technology to make teaching and learning more effective.
- 25. 25
- 26. 26