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Difference between vapor and gas The term gas refers to a substance that is in its gaseous form or a substance that has a single defined thermodynamic state at room temperature whereas a vapor refers to a substance that is a equilibrium between two phases at room temperature, namely gaseous and liquid phase. All matter on earth exists in any of the three states: solid, liquid or gaseous. 'Gas' refers to a substance in the gaseous state. Gases do not have either shape or volume. However, the term 'vapor' or 'vapour' refers to a substance in equilibrium between two phases, usually liquid and gaseous. Vapor is not a state of matter but is a specific type of gas. Gases are in a gaseous state at room temperature. The molecules in a gas can expand to occupy any available volume as there is very little inter molecular attraction. On the other hand, the molecules of a vapor gain energy and vaporize from a substance which is either a solid or liquid at room temperature. For example, steam is a water vapor that turns into water at room temperature. Oxygen, which is a gas, will still be a gas at room temperature. Gas is a state of matter. Vapor is not, it is constantly in transition. An easy way to distinguish between vapor and gas is that vapor is something that can be seen or smelled or something that settles down on the ground, while one cannot see a gas but can only smell it. However, there are some exceptions to this classification, for example, water vapor. Water vapor cannot be smelt and it does not settle down on the ground.

Mendeley is a free reference manager and academic social network that can help you organize your research, collaborate with others online, and discover the latest research.

"GapVis is an interface for exploring and reading texts that reference ancient places. It includes maps and data visualizations that show what locations are referred to a different points in the narrative and allows you to dig into the details to learn more."

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The term Digital Library refers to a wide array of different organisations and collections that share the common trait of exposing digital content to a community of users. Digital libraries are applied in many different contexts ranging from academic institutions to public libraries, archives, museums and industries. The type of content that is stored in digital libraries varies depending on the organisation, it can either be reproduction of physical objects or content which is "born digital".

Free Online Literature with more than 2000 Classic Texts. Literature Book Notes, Author Biographies, Book Summaries and Reference Books

Providing researchers with access to millions of scientific documents from journals, books, series, protocols and reference works.

website is dedicated to the editorial and author-support activities of the journal 'Artificial Intelligence', usually referred to as the AIJ. It does not document the publisher's activities (but see the link to Elsevier's website at the top right of this page, "AIJ@Elsevier").

website is dedicated to the editorial and author-support activities of the journal 'Artificial Intelligence', usually referred to as the AIJ. It does not document the publisher's activities (but see the link to Elsevier's website at the top right of this page, "AIJ@Elsevier").

The OBO Foundry is a collaborative experiment involving developers of science-based ontologies who are establishing a set of principles for ontology development with the goal of creating a suite of orthogonal interoperable reference ontologies in the biomedical domain. The groups developing ontologies who have expressed an interest in this goal are listed below, followed by other relevant efforts in this domain.

"Our knowledge of species and functional composition of the human gut microbiome is rapidly increasing, but it is still based on very few cohorts and little is known about variation across the world. By combining 22 newly sequenced faecal metagenomes of individuals from four countries with previously published data sets, here we identify three robust clusters (referred to as enterotypes hereafter) that are not nation or continent specific. We also confirmed the enterotypes in two published, larger cohorts, indicating that intestinal microbiota variation is generally stratified, not continuous. This indicates further the existence of a limited number of well-balanced host-microbial symbiotic states that might respond differently to diet and drug intake."

It refers to the experience of seeing firsthand the reality of the Earth in space, which is immediately understood to be a tiny, fragile ball of life, hanging in the void, shielded and nourished by a paper-thin atmosphere.  From space, the astronauts tell us, national boundaries vanish, the conflicts that divide us become less important and the need to create a planetary society with the united will to protect this "pale blue dot" becomes both obvious and imperative.  Even more so, many of them tell us that from the Overview perspective, all of this seems imminently achievable, if only more people could ha

SAGE Research Methods Online (SRMO) is an award-winning research methods tool created to help researchers, faculty and students with their research projects. SRMO links over 100,000 pages of SAGE's renowned book, journal and reference content with truly advanced search and discovery tools. Researchers can explore methods concepts to help them design research projects, understand a particular method or identify a new method, and write up their research. Since SRMO focuses on methodology rather than disciplines, it can be used by researchers from the social sciences, health sciences and more.

Welcome to the future! Here you will find a speculative timeline of future history. Part fact and part fiction, the timeline is based on detailed research that includes analysis of current trends, projected long-term environmental changes, advances in technology such as Moore's Law, future medical breakthroughs, and the evolving geopolitical landscape. Where possible, references have been provided to support the predictions. FutureTimeline.net is intended to be an ongoing, collaborative project that is open for discussion - we welcome ideas from scientists, futurists, inventors, writers and anyone else interested in the future of our world.

The seminar begins with an examination of the fundamental vocabulary and concepts related to metrology. Topics include: accuracy, precision, calibration, and "uncertainty ratios". Several of the standard methods for analyzing measurement variation are then described and explained, as derived from AIAG's Measurement System Analysis reference book. The methods include: Gage R&R (ANOVA method, for 3 gages, 3 persons, 3 replicates, and 10 parts), Gage Correlation (for 3 gages), Gage Linearity, and Gage Bias. The seminar ends with an explanation of how to combine all relevant uncertainty information into an "Uncertainty Budget" that helps determine the appropriate width of QC specification intervals (i.e., "guard-banded specifications"). Spreadsheets are used to demonstrate how to perform the methods described during the seminar.

"an index of all information resources on Artificial Intelligence and Machine Learning related topics"

Cowpea, also referred to as Vigna sinensis, and was planted in two different plots. The control plot had a total size of 27 feet x 17 feet, while the test plot measured of 64 feet x 9 feet.