Johan Jakob Nervander (1827–1896) was a notable Finnish botanist and mycologist. His work primarily focused on the study of fungi, and he made significant contributions to the field of botany in Finland. Nervander is known for his classification and documentation of various fungal species. His research helped advance the understanding of mycology in the region and contributed to the broader field of botany.
Konstantin Nevolin may refer to a specific person, but as of my last update in October 2023, there is not widely known information about an individual by that name in prominent historical, cultural, or public domains.
Valery Rubakov is a prominent Russian theoretical physicist known for his contributions to various fields, particularly in particle physics, cosmology, and condensed matter physics. He has worked on topics such as quantum field theory, theories of gravity, and the early universe. Rubakov is also recognized for his work on the concept of extra dimensions and brane-world scenarios, which have implications for understanding fundamental forces and the unification of physics.
Experimental bias refers to systematic errors that can affect the results of an experiment, leading to inaccurate conclusions. It can arise from various sources during the design, conduct, or analysis of an experiment and can influence the data collected, the interpretation of results, or both. There are several types of experimental bias: 1. **Selection Bias**: This occurs when the participants or samples included in the study are not representative of the overall population.
Child mortality refers to the death of infants and young children, typically defined as those under the age of five. It is often measured by the under-five mortality rate (U5MR), which is the probability of dying between birth and exactly five years of age, expressed per 1,000 live births. Child mortality is a critical indicator of a country's overall health, socioeconomic status, and well-being.
Biodemography is an interdisciplinary field that combines insights and methods from biology and demography to study the biological and evolutionary factors that influence population dynamics and individual life histories. It examines how biological processes, such as genetics, physiology, and ecology, interact with demographic factors, such as birth rates, death rates, and migration patterns. Key areas of focus in biodemography include: 1. **Life History Strategies**: Understanding how evolutionary pressures shape the timing of key life events (e.g.
Human migration is the movement of individuals or groups of people from one place to another, often across geopolitical boundaries. This movement can be temporary or permanent and occurs for a variety of reasons, which can be classified into several categories: 1. **Economic Migration**: People may move to seek better employment opportunities, higher wages, or improved working conditions. 2. **Political Migration**: Some individuals migrate to escape conflict, persecution, or oppressive regimes in their home countries. This includes refugees and asylum seekers.
The InterAcademy Partnership (IAP) is an international organization that represents science academies from around the world. It addresses critical issues related to global challenges, including population growth. The IAP has published statements and reports on various topics, including sustainable development, climate change, and public health. In general, IAP statements on population growth emphasize the importance of understanding population dynamics in the context of sustainable development.
The Isolation Index is a statistical measure used to evaluate the degree of segregation between different groups within a population, such as racial or ethnic groups. It helps to assess how isolated or integrated a specific group is in relation to others within a particular geographical area or community. The Isolation Index specifically examines the extent to which a particular group is likely to encounter members of its own group as opposed to members of other groups.
The Maternal Mortality and Morbidity Task Force is typically a group established at the state or national level to address and reduce maternal mortality and morbidity rates. These task forces focus on understanding the causes of maternal deaths and serious complications during and after childbirth, with the goal of improving maternal health outcomes. Key functions of such task forces often include: 1. **Data Collection and Analysis**: Gathering information about maternal deaths and severe complications to identify trends, risk factors, and areas for improvement.
The maternal mortality ratio (MMR) is a measure used to assess the number of maternal deaths that occur during pregnancy, childbirth, or within a specified period after delivery (usually 42 days), per 100,000 live births. It is an important indicator of the quality of healthcare systems and maternal health services in a given population or country.
Population health is a field that focuses on the health outcomes of a group of individuals, encompassing the distribution of those outcomes within the group. It takes a broad view of health, considering various factors that influence health status, including social, economic, environmental, and behavioral determinants, as well as healthcare access and quality. Key components of population health include: 1. **Health Outcomes**: Understanding how different populations fare in terms of health, including disease prevalence, morbidity, mortality, and quality of life.
Rientrodolce is likely a reference to a specific location or concept that isn't widely known or documented in major information sources. It could potentially refer to a place, a cultural term, or something niche.
Step migration refers to a gradual approach to moving data or applications from one environment to another, often used in the context of cloud computing, data center migration, or software upgrades. Instead of attempting a complete and immediate transition, which can be risky and disruptive, step migration involves breaking down the migration process into smaller, manageable phases. Each phase typically involves transferring a portion of the data, applications, or services, allowing for testing and validation at each step before proceeding to the next phase.
CASTEP (Cambridge Sequential Total Energy Package) is a computational software package used for materials modeling and simulation. It is primarily focused on simulating the electronic structure of solid-state materials using density functional theory (DFT). CASTEP is widely used in the fields of condensed matter physics, materials science, and chemistry to study various properties of materials, such as their electronic, optical, and mechanical characteristics.
ONETEP (Order-N Electronic Structure Theory) is a computational physics software package designed for performing large-scale electronic structure calculations of materials and molecular systems. It utilizes a linear-scaling approach to quantum mechanics, allowing it to handle much larger systems than traditional methods, which often scale cubically with the number of atoms.
Certainly! Here is a list of topics generally covered in computer graphics and descriptive geometry: ### 1. **Fundamentals of Computer Graphics** - Pixels and resolution - Color models (RGB, CMYK, HSV) - Rasterization vs. vector graphics - Image representation and manipulation ### 2.
Cohort study methods are a type of observational research design where a group of individuals (the cohort) is followed over time to assess the effects of certain exposures or characteristics on specific outcomes, such as the incidence of disease. In cohort studies, researchers typically divide the cohort into exposed and unexposed groups and then observe and compare the health outcomes over a defined period.
Adversarial collaboration is a research approach that involves bringing together experts with opposing views or different hypotheses about a particular issue or phenomenon to work together on a study or investigation. The goal of this collaboration is to critically test and evaluate competing theories or perspectives in a systematic and rigorous way. In adversarial collaboration, participants agree on the research questions, methodology, and criteria for evaluating outcomes, despite their differing views.
Allocation concealment is a critical aspect of clinical trial design, particularly in randomized controlled trials (RCTs). It refers to the process of concealing the allocation sequence—meaning that researchers, participants, or both do not know which treatment group a participant will be assigned to until they are actually assigned. This helps to prevent selection bias, ensuring that the allocation of participants to different treatment groups is random and not influenced by either the researchers' or the participants' expectations or preferences.

Pinned article: Introduction to the OurBigBook Project

Welcome to the OurBigBook Project! Our goal is to create the perfect publishing platform for STEM subjects, and get university-level students to write the best free STEM tutorials ever.
Everyone is welcome to create an account and play with the site: ourbigbook.com/go/register. We belive that students themselves can write amazing tutorials, but teachers are welcome too. You can write about anything you want, it doesn't have to be STEM or even educational. Silly test content is very welcome and you won't be penalized in any way. Just keep it legal!
We have two killer features:
  1. topics: topics group articles by different users with the same title, e.g. here is the topic for the "Fundamental Theorem of Calculus" ourbigbook.com/go/topic/fundamental-theorem-of-calculus
    Articles of different users are sorted by upvote within each article page. This feature is a bit like:
    • a Wikipedia where each user can have their own version of each article
    • a Q&A website like Stack Overflow, where multiple people can give their views on a given topic, and the best ones are sorted by upvote. Except you don't need to wait for someone to ask first, and any topic goes, no matter how narrow or broad
    This feature makes it possible for readers to find better explanations of any topic created by other writers. And it allows writers to create an explanation in a place that readers might actually find it.
    Figure 1.
    Screenshot of the "Derivative" topic page
    . View it live at: ourbigbook.com/go/topic/derivative
  2. local editing: you can store all your personal knowledge base content locally in a plaintext markup format that can be edited locally and published either:
    This way you can be sure that even if OurBigBook.com were to go down one day (which we have no plans to do as it is quite cheap to host!), your content will still be perfectly readable as a static site.
    Figure 2.
    You can publish local OurBigBook lightweight markup files to either https://OurBigBook.com or as a static website
    .
    Figure 3.
    Visual Studio Code extension installation
    .
    Figure 4.
    Visual Studio Code extension tree navigation
    .
    Figure 5.
    Web editor
    . You can also edit articles on the Web editor without installing anything locally.
    Video 3.
    Edit locally and publish demo
    . Source. This shows editing OurBigBook Markup and publishing it using the Visual Studio Code extension.
    Video 4.
    OurBigBook Visual Studio Code extension editing and navigation demo
    . Source.
  3. https://raw.githubusercontent.com/ourbigbook/ourbigbook-media/master/feature/x/hilbert-space-arrow.png
  4. Infinitely deep tables of contents:
    Figure 6.
    Dynamic article tree with infinitely deep table of contents
    .
    Descendant pages can also show up as toplevel e.g.: ourbigbook.com/cirosantilli/chordate-subclade
All our software is open source and hosted at: github.com/ourbigbook/ourbigbook
Further documentation can be found at: docs.ourbigbook.com
Feel free to reach our to us for any help or suggestions: docs.ourbigbook.com/#contact