coal ball वाक्य
उदाहरण वाक्य
मोबाइल
- Coal balls have been found that were smaller than a thimble.
- In coal seams, coal balls are completely surrounded by coal.
- Coal balls usually do not preserve the leaves of plants.
- Coal balls were formed in turned into stone instead.
- Coal balls may be found in coal seams across North America and Eurasia.
- In 1962, Sergius Mamay and Ellis Yochelson analysed North American coal balls.
- European coal balls are generally from the early end of the Westphalian Stage.
- This embeds the cells preserved in the coal ball into the cellulose acetate.
- Nitric acid, and then acetone, are applied to the coal ball.
- Up to 50 peels can be extracted from of coal ball with this method.
- The best known callistophyte was documented from Late Pennsylvanian coal ball petrifactions in North America.
- Thin sectioning was an early procedure used to analyse fossilised material contained in coal balls.
- After applying acetone, a piece of cellulose acetate is placed on the coal ball.
- It was not until 1922 that coal balls were discovered and identified in North America.
- Coalification was thus prevented, and the peat was preserved and eventually became a coal ball.
- North American coal balls are more widespread, both stratigraphically and geologically, than those in Europe.
- Coal balls are not made of coal; they are non-flammable and useless for fuel.
- Chitaley's revisions begin after grinding the surface of the coal ball to a smooth finish.
- David Watson analysed coal ball samples and decided that coal balls formed " in situ ".
- David Watson analysed coal ball samples and decided that coal balls formed " in situ ".
coal ball sentences in Hindi. What are the example sentences for coal ball? coal ball English meaning, translation, pronunciation, synonyms and example sentences are provided by Hindlish.com.