text stringlengths 174 655k | id stringlengths 47 47 | score float64 2.52 5.25 | tokens int64 39 148k | format stringclasses 24
values | topic stringclasses 2
values | fr_ease float64 -483.68 157 | __index__ int64 0 1.48M |
|---|---|---|---|---|---|---|---|
Abstract Pore-scale events in multiphase flow in porous rock have been directly imaged in real time by using fast (15 to 60 seconds) synchrotron-based X-ray computed microtomography. In the past, pore-scale fluid displacements in porous media could only be imaged under quasistatic conditions where at scanning times of ... | <urn:uuid:5a7f6e66-9374-46f6-8d64-69d7d93f52d2> | 2.625 | 269 | Academic Writing | Science & Tech. | 12.473346 | 95,647,184 |
Prof. Rui Cao, Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education School of Chemistry and Chemical Engineering. Shaanxi Normal University, China
Associate Prof. Shigeyuki Masaoka, Institute for Molecular Science, National Institutes of Natural Sciences, Japan
Homogeneous catalysis, O2 evolut... | <urn:uuid:e48e5115-cdaa-4efc-9cf2-b5fb8050da0d> | 2.703125 | 579 | News (Org.) | Science & Tech. | 3.545556 | 95,647,193 |
If we add to unknown number 21, then divide by 6 and then subtract 51, we get back an unknown number.
What is this unknown number?
What is this unknown number?
Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):
Showing 0 comments:
Be the first to comment!
To solve this verbal math... | <urn:uuid:a100ecb6-6ff0-4d6b-b9f1-7c31d4251921> | 2.6875 | 714 | Tutorial | Science & Tech. | 78.469754 | 95,647,207 |
They expect that part of the Northern hemisphere’s longest floating glacier will continue to disintegrate within the next year.
A massive 11-square-mile (29-square-kilometer) piece of the Petermann Glacier in northern Greenland broke away between July 10th and by July 24th. The loss to that glacier is equal to half the... | <urn:uuid:4482b71e-7def-4b4c-8ac1-f8ded18d764c> | 3.671875 | 1,205 | Content Listing | Science & Tech. | 46.550718 | 95,647,209 |
The Craft of Fractional Modelling in Science and Engineering
by Jordan Hristov (ed.)
Publisher: MDPI AG 2018
Number of pages: 140
Fractional calculus has performed an important role in the fields of mathematics, physics, electronics, mechanics, and engineering in recent years. The modeling methods involving fractional ... | <urn:uuid:0eaba017-f3b4-4f46-a9dc-2e07019066d6> | 2.921875 | 346 | Content Listing | Science & Tech. | 22.340455 | 95,647,214 |
Common name: Mississippi Grass Shrimp
available through www.itis.gov
Size: up to 50 mm in length (Pennak 1989)
Native Range: This shrimp ranges from northeastern Mexico, Mississippi River north to the Great Lakes and east to Florida (see Page, 1985; Fig. 87, p. 360). It is sporadic in the central US, west of the Allegh... | <urn:uuid:60b43268-0eee-473f-b034-dce99887d6d5> | 2.921875 | 481 | Knowledge Article | Science & Tech. | 62.734333 | 95,647,233 |
The team from the Swiss Federal Institute of Technology, Zurich have discovered that coating the film with a mix of silver and calcium phosphate nano-particles proves deadly to bacteria.
Wendelin Stark, a chemical engineer and leader of the project explained that it had been previously impossible to apply silver in a t... | <urn:uuid:5417a074-bfae-4c84-9672-d84a940b8894> | 3.578125 | 1,071 | Content Listing | Science & Tech. | 41.199399 | 95,647,238 |
Mike Casazza's research program at the Dixon Field Station focuses on the ecology of threatened and endangered species in a variety of ecosystems. This includes primary ecological research on the endangered California Ridgway's Rail in SF Bay, the endangered San Francisco Gartersnake, the threatened Giant Gartersnake i... | <urn:uuid:282c86a5-c472-4a77-9fb1-419177be16ef> | 3 | 2,705 | About (Pers.) | Science & Tech. | 31.040878 | 95,647,274 |
Please consider donating to Behind the Black, by giving either a one-time contribution or a regular subscription, as outlined in the tip jar to the right or below. Your support will allow me to continue covering science and culture as I have for the past twenty years, independent and free from any outside influence.
In... | <urn:uuid:35b9c227-3bba-4a95-afc8-fe8838ef536c> | 3.078125 | 481 | Personal Blog | Science & Tech. | 49.286963 | 95,647,293 |
Species Detail - Polysiphonia elongata - Species information displayed is based on all datasets.
Terrestrial Map - 10kmDistribution of the number of records recorded within each 10km grid square (ITM).
Marine Map - 50kmDistribution of the number of records recorded within each 50km grid square (WGS84).
1 January (recor... | <urn:uuid:02e94298-c7eb-496a-b46f-69d2309570a5> | 2.53125 | 127 | Structured Data | Science & Tech. | 30.984522 | 95,647,303 |
Flask is a python microframework. Aimed mainly at small applications and quick development.
Ranked in these QuestionsQuestion Ranking
Pro Lots of resources available online
Flask is one of the most popular Python web frameworks, if not the most popular one. As such, there's plenty of guides, tutorials, and libraries av... | <urn:uuid:2bc5c140-8f2b-49bb-a28b-c324243372f0> | 2.546875 | 525 | User Review | Software Dev. | 41.645931 | 95,647,326 |
Blood is essentially an aqueous solution but it must transport a variety of non polar substances (hormones for example). Colloidal proteins, termed albumins, facillitate this transport. Must these albumins be polar or nonpolar?© BrainMass Inc. brainmass.com July 18, 2018, 7:03 am ad1c9bdddf
Since plasma is made up prim... | <urn:uuid:a4f68b76-e066-418f-9775-869b370be588> | 2.9375 | 137 | Truncated | Science & Tech. | 45.132566 | 95,647,361 |
The TRMM satellite passed directly above a recently formed tropical cyclone in the Arabian Sea on November 2, 2011 at 0350 UTC (11:50 p.m. EDT, Nov. 1). An analysis of rainfall was done using TRMM's Microwave Imager (TMI) and Precipitation Radar (PR) instruments.
This 3-D image from the TRMM satellite was captured on N... | <urn:uuid:2e4202c0-a515-4b4e-a1a4-6ed80cac88c9> | 2.640625 | 1,143 | Content Listing | Science & Tech. | 51.885755 | 95,647,396 |
Predation risk influences feeding rates but competition structures space use for a common Pacific parrotfish
- 564 Downloads
In terrestrial systems it is well known that the spatial patterns of grazing by herbivores can influence the structure of primary producer communities. On coral reefs, the consequences of varied ... | <urn:uuid:aba7ed69-1325-4140-a5a9-a383baa2b605> | 2.828125 | 1,299 | Academic Writing | Science & Tech. | 38.9075 | 95,647,407 |
Changes in land use are responsible for about 9% of all global CO2 emissions. The recent reports say that the carbon dioxide emissions have increased up to two percent this year after a three years straight graph. China is the country which stands at the top list in contributing to the amount of the disastrous gas. The... | <urn:uuid:d36540fe-4a77-45bd-8f01-034575edee4b> | 3.34375 | 348 | News Article | Science & Tech. | 44.744283 | 95,647,408 |
But scientists have come to realize that an even more acute danger than climate change is lurking in the world's oceans—one that is likely to be triggered by CO2 levels that are modest by climate standards.
Ocean acidification could devastate coral reefs and other marine ecosystems even if atmospheric carbon dioxide st... | <urn:uuid:ea43f8c2-92ee-4434-b3c3-546ee2f97223> | 4.0625 | 1,225 | Content Listing | Science & Tech. | 40.141135 | 95,647,411 |
Earth Observation Sensors
The sensors mounted on earth observation satellites for monitoring natural resources and the environment can be broadly classified as optical sensors or microwave driven radars. Their use will depend on the application, although as they both have their own particular characteristics, they comp... | <urn:uuid:e1eebe97-e86b-4dc3-b214-a2bf9c067390> | 3.5 | 134 | Knowledge Article | Science & Tech. | 2.549075 | 95,647,422 |
University of California, San Diego researchers have tried a CRISPR-based gene drive in mice, according to Nature News.
Researchers in the UK developed heritable Cas9-mediated mammalian genome editing that is acutely controlled by a cheap lysine derivative.
University of California, San Diego, researchers have develope... | <urn:uuid:3fc38bc8-31b9-4031-b19b-f93d782b13cd> | 2.984375 | 169 | Content Listing | Science & Tech. | 9.894016 | 95,647,431 |
Authors: K. Kumar, E.H. Yang
Affilation: Stevens Institute of Technology, United States
Pages: 199 - 201
Keywords: graphene, atomic force microscope, oxidation lithography
In this work, we study Atomic Force Microscope local oxidation lithography to precisely fabricate nanometer-scale structures from graphene, a recent... | <urn:uuid:14fd77a4-53f1-4954-b796-8908e2be396b> | 2.546875 | 195 | Academic Writing | Science & Tech. | 2.227857 | 95,647,441 |
Ruby's for loop works on a list of items, and it iterates over them, one by one.
For example, here is a for loop that iterates over the items in an array, displaying each in turn:
for i in [1,2,3] do puts( i ) end
The for loop is more like the "for each" iterator.
The items over which the loop iterates don't have to be... | <urn:uuid:c6506f3b-1a68-4f17-b6c1-4bbcaec5e2b9> | 3.78125 | 477 | Documentation | Software Dev. | 93.858797 | 95,647,454 |
Researchers at MIT and Rice University have discovered that microRNAs, an emerging class of non-protein gene regulators thus far only identified in animals, also exist in plants. By extending the known phylogenetic range of miRNAs to plants, this work points to an ancient evolutionary origin for microRNAs. The report i... | <urn:uuid:247cbc03-c01b-4b41-a373-f32e7f03f25d> | 3.53125 | 874 | Content Listing | Science & Tech. | 40.857974 | 95,647,481 |
Major- and minor-element concentration data are important for the classification of meteorites (particularly when the original petrologic structure has been altered), and for the detection of fractionations within genetic groups. The content of these elements together with temperature and pressure determines the minera... | <urn:uuid:67ec543e-78be-417c-ba91-f9d634fcd927> | 2.71875 | 148 | Truncated | Science & Tech. | -10.624969 | 95,647,519 |