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ruddle    音标拼音: [r'ʌdəl]
n. 红土,代赭石,赭色
vt. 用红土做记号,涂红土

红土,代赭石,赭色用红土做记号,涂红土

ruddle
n 1: a red iron ore used in dyeing and marking [synonym: {ruddle},
{reddle}, {raddle}]
v 1: twist or braid together, interlace [synonym: {raddle},
{ruddle}]
2: redden as if with a red ocher color


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  • Surface tension - Wikipedia
    Because of the relatively high attraction of water molecules to each other through a web of hydrogen bonds, water has a higher surface tension (72 8 millinewtons (mN) per meter at 20 °C) than most other liquids Surface tension is an important factor in the phenomenon of capillarity
  • Surface Tension - The Engineering ToolBox
    Surface tension of liquids like water, mercury, oils and more Surface tension is caused by the inward attraction of molecules at a boundary
  • Surface Tension – Definition, Examples, Formula
    Water’s High Surface Tension: Among common liquids, water has one of the highest surface tensions due to strong hydrogen bonds between its molecules Lava Bubbles: Surface tension plays a role in forming bubbles of molten lava during volcanic eruptions, influencing their size and stability
  • Surface tension | Definition, Examples, Facts | Britannica
    Water has a surface tension of 0 07275 joule per square metre at 20 °C (68 °F) In comparison, organic liquids, such as benzene and alcohols, have lower surface tensions, whereas mercury has a higher surface tension
  • Surface Tension and Water | U. S. Geological Survey - USGS. gov
    Surface tension could be defined as the property of the surface of a liquid that allows it to resist an external force, due to the cohesive nature of the water molecules
  • Surface Tension: Definition, Examples, and Unit - Science Facts
    Water has a surface tension of 72 mN m and can easily wet surfaces The shape of water and mercury meniscuses in a test tube depends on cohesive and adhesive forces The meniscus of water is upward or concave because water wets the surface and creeps up the side
  • International Tables of the Surface Tension of Water
    Given below is an analysis of the most important experimental studies of the surface tension of water, the results of which have served as the basis for the recommended values
  • Surface Tension: How Cohesion, Droplets Water Striders Reveal . . .
    Explore what surface tension is, how cohesion and adhesion affect liquid surfaces, and why water beading, droplets, and water striders illustrate surface tension
  • Surface Tension - Chemistry LibreTexts
    Water is one liquid known to have a very high surface tension value and is difficult to overcome Figure 2 : (a) A paper clip can “float” on water because of surface tension
  • Surface Tension - HyperPhysics
    Surface tension is typically measured in dynes cm, the force in dynes required to break a film of length 1 cm Equivalently, it can be stated as surface energy in ergs per square centimeter Water at 20°C has a surface tension of 72 8 dynes cm compared to 22 3 for ethyl alcohol and 465 for mercury





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