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kilogram

/kil-uh-gram/US // ˈkɪl əˌgræm //UK // (ˈkɪləʊˌɡræm) //

千克,公斤,千公斤,公里

Definitions

n.名词 noun
  1. 1
    • : a unit of mass equal to 1,000 grams: the basic unit of mass in the International System of Units. Up until 2019 the kilogram was defined as equal to the mass of an international prototype, a platinum-iridium cylinder kept in Sèvres, France. The kilogram has since been redefined in terms of universal physical constants, including the speed of light and Planck's constant. Abbreviation: kg
    • : a unit of force and weight, equal to the force that produces an acceleration of 9.80665 meters per second per second when acting on a mass of one kilogram. Abbreviation: kg

Examples

  • It’s primarily derived from fossil fuels by subjecting methane to steam, high heat, and pressure to break it into hydrogen and carbon dioxide, and costs about $1 per kilogram.

  • You can just eyeball it—oh, this is obviously pounds or kilograms.

  • The labels estimate a product’s environmental impact from cradle to grave as a carbon equivalent reflecting the greenhouse gas emissions or CO2e spent in its creation, transportation, use and end of life, as measured in grams or kilograms of carbon.

  • So instead, we used 3D digital scanning technology which allowed us to virtually carry thousands of kilograms of dinosaur bones in one seven kilogram laptop.

  • In a paper in Science Advances, they report that producing new PDK would cost around $45 per kilogram and result in about 86 kilograms of CO2 equivalent per kilogram.

  • The European formula for Fireball has even less: under one gram per kilogram of propylene glycol.

  • There is, of course, cheapness to be considered -- the dollar per kilogram bill for putting a payload into low earth orbit.

  • Rhino horn is particularly lucrative—each kilogram can fetch up to $66,000.

  • This is a measure (in watts per kilogram) of how much of the emitted radiation is absorbed by biological tissue.

  • A Calorie is the amount of heat required to raise the temperature of one kilogram of water from zero to one degree Centigrade.

  • Half a kilogram (eighteen ounces) is considered the portion for each person.

  • A Calorie is the amount of heat required to raise one kilogram of water 1° Centigrade or one pound of water 4° Fahrenheit.

  • This work or its equivalent would be accomplished by a steam-engine in the course of burning one kilogram (two pounds) of coal.

  • They take the water which is used to determine the weight of the kilogram, keeping it at the temperature of 4C.