| 单词 | spectrophotometer |
| 例句 | A larger breathalyzer unit that is found in the police station will have infrared spectrophotometer technology. How Long Do Breathalyzers Detect Alcohol? 2018-06-12T04:00:00Z Now the democratic world must impose additional import restrictions on technologies such as aircraft parts, sonar systems, antennas, spectrophotometers, test equipment, GPS systems, vacuum pumps and oil-field equipment. Opinion | The sanctions against Russia still have holes. Here’s how to plug them. 2022-09-08T04:00:00Z An instrument called a spectrophotometer can differentiate which wavelengths of light a substance can absorb. Biology for AP Courses 2022-06-09T00:00:00Z Female tanagers are generally much duller than their male counterparts, an observation that the researchers confirmed with a spectrophotometer, which measures how much light reflects off a surface. Some Male Birds Fly Under False Colors to Attract Mates, Study Suggests 2021-04-21T04:00:00Z A small team briefly went into Halley in January and early February to do essential maintenance, and to check over the station's automated instruments, including its spectrophotometer which measures the behaviour of Earth's ozone "hole". Radar images capture new Antarctic mega-iceberg 2021-03-01T05:00:00Z Surrounded by the usual lab paraphernalia—a spectrophotometer, a PCR machine, a centrifuge—Lundgren glances out the window at the sheep huddled in his pasture and a large flock of geese, chickens, turkeys, and ducks. These widely used insecticides may be a threat to mammals too 2021-02-05T05:00:00Z Also, the material's colour change was easily detected by a "simple spectrophotometer", and gold reacted well to certain molecules in maple syrup. 'Golden tongue' helps ensure maple syrup quality 2020-05-16T04:00:00Z By extracting pigments from leaves and placing these samples into a spectrophotometer, scientists can identify which wavelengths of light an organism can absorb. Biology for AP Courses 2022-06-09T00:00:00Z It is very difficult to get repeatable measurements of light-scattering materials using standard optical instruments, such as a spectrophotometer, which measures the intensity of light. Deflecting the heat of climate change 2020-03-12T04:00:00Z The researchers used a portable spectrophotometer, which measures the intensity of light in one part of the spectrum, for the experiment. This Lizard Has a Blue, Ultraviolet Tongue—Here’s Why 2018-06-08T04:00:00Z Next door, a machine shop grinds out metal sheets for spectrophotometers that will read the tests and spit out results. Can Cuban science go global? 2016-09-27T04:00:00Z The researchers assessed pigmentation by using a spectrophotometer, which measures the reflectance of skin, and found that variants of a gene known as OCA2 lightened skin colour10. Skin colour: No hiding in the dark : Nature : Nature Publishing Group 2014-11-18T05:00:00Z As part of our evaluation process, we use the spectrophotometer, which takes a digital measurement of a color. Where the Spectrum Is Sliced and Diced 2014-10-18T04:00:00Z To do this we also carry an underwater spectrophotometer that allows us to separate chlorophyll fluorescence from the ones we are seeking. Scientist at Work Blog: The Holy Grail of Fluorescent Proteins 2012-07-03T19:33:43Z They ran the spectrophotometer over the tongues of 13 skinks and found that in addition to the tongue being UV-blue, the back was nearly twice as bright as the tip. This Lizard Has a Blue, Ultraviolet Tongue—Here’s Why 2018-06-08T04:00:00Z I grew a small set of African violets for a few weeks, then ground up their petals and subjected them to a spectrophotometer. Chemistry Day at Scientific American Blog Network 2011-08-02T17:45:00.247Z Using a reflectance spectrophotometer and computer software, they then calculated the glossiness of the bird's feathers in each photograph. Glossy male birds are more 'sexy' 2010-03-23T14:59:00Z |
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