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词汇 diaphragm
释义

Definition of diaphragm in English:

diaphragm

noun ˈdʌɪəframˈdaɪəˌfræm
  • 1A dome-shaped muscular partition separating the thorax from the abdomen in mammals. It plays a major role in breathing, as its contraction increases the volume of the thorax and so inflates the lungs.

    (哺乳动物体内分隔胸腔和腹腔的)隔膜

    Example sentencesExamples
    • This section includes portions of the lungs located in the recesses between the dome-shaped diaphragm and body wall.
    • Sometimes an abscess may burst upwards through the diaphragm into the lung and the contents can be coughed up.
    • The programme works by encouraging sufferers to use the costal diaphragm, which most people only use for singing.
    • It is also possible that the close proximity between the infected lung and the diaphragm contributed to the preferential impairment of diaphragmatic contractility.
    • Metastatic tumor was also found in the thyroid gland, pericardium, myocardium, bilateral lungs, diaphragm, bilateral kidneys, and liver.
    • Functioning of the diaphragm and thoracic musculature may be diminished, contributing to respiratory compromise.
    • The bottom of your heart sits just above the diaphragm and your lungs surround the heart on the sides.
    • Separating the chest from the abdomen, the diaphragm (pronounced: die-uh-fram) plays a lead role in breathing.
    • Pleural effusions can also be located between the lung and the diaphragm.
    • We hypothesized that the diaphragms of such patients might generate greater levels of oxidants than those neutralized by antioxidants.
    • The largest internal organ in the body, the liver is located in the upper right portion of the abdomen, beneath the diaphragm and above most of the stomach, intestines and pancreas.
    • Now she is learning to use her diaphragm too, as in yoga breathing.
    • Focus on your diaphragm muscle, you can tell a moment before it spasms.
    • The diaphragm is a muscle that separates the chest from the stomach organs.
    • In this type of hernia, part of the stomach pokes through the diaphragm, the main breathing muscle under the lungs.
    • Contraction of the expiratory muscles displaces the abdomen inward and the diaphragm upward into the thorax during exhalation.
    • The diaphragm and lungs are above it; the colon and intestines are below it; and the kidneys are behind it.
    • Normal breathing is a two-step process starting with contractions of the diaphragm creating a vacuum in the lungs.
    • And ultimately, they die from the diaphragm contracting to such an extent that they asphyxiate or suffocate to death.
    • Hiccups are a sudden, involuntary squeezing of the diaphragm, the main breathing muscle under the lungs.
  • 2A thin sheet of material forming a partition.

    分隔薄膜

    Example sentencesExamples
    • In this way the stalk expands radially to form a hemifusion diaphragm.
    • New growth cycles began with the formation of new basal diaphragms and lateral walls of living chambers.
    • The trans layers make contact and produce an axially symmetric hemifusion diaphragm.
    1. 2.1 A taut flexible membrane in mechanical or acoustic systems.
      (机械或音响系统中的)膜片
      Example sentencesExamples
      • Do you really need another 1-inch diaphragm condenser mic for vocals, acoustic guitar, drum overheads, horns or piano?
      • Between the barrel and the air chamber is a thin plastic diaphragm, which isolates the sabot from the high pressure air until shot time.
      • Working independently, Gray and Bell both developed systems based on electromagnetic receivers with steel diaphragms.
      • The diaphragm is the component that needs the most attention, as it hardens with age and could rupture.
      • A diaphragm extends around the shaft and defines fluidly separate upper and lower chambers within a valve body.
      • The diaphragm is a flexible disk made of sheet metal with ridges carved into it.
      • When such a wave impinges on a microphone diaphragm, its motion assumes that of the adjoining medium.
      • The diaphragm is acted upon by a predetermined reference pressure within a reference chamber 90 of the control valve.
      • A flexible diaphragm extends over at least a portion of the oil reservoir, and a seal is secured to the diaphragm.
      • Those vibrations correspond to the sound pressure on the diaphragm and create the audio signal which is recorded.
      • For a condenser mic, the principle components are the diaphragm, air and backplate.
      • The ear canal is closed at its inner end by a thin diaphragm of stretched skin known as the eardrum or tympanic membrane, which vibrates as the air pressure changes.
      • A dynamic microphone's diaphragm, for instance, moves an attached coil of wire past a magnet to induce current flow in the wire. See diagram.
      • A flat glass plate closes the cylinder on the oil side, whereas a truncated glass sphere mounted on a thin metal diaphragm closes the side of the salt solution.
      • The backing assembly is positioned in the head, and the backing assembly can include a plate in the chamber and a diaphragm on one side of the plate.
      • Shoring was removed as final welds and structural diaphragms were added to ensure that the primary structural system performed as intended.
      • Brunelleschi's brickwork masonry envelope has an ‘improved’ cross-section and consists of inner and outer skins linked by diaphragms.
      • A resonant frequency Fv2 of the rear space is set at a value in the range: F0 of the diaphragm, and Fv1 is a resonant frequency of the front space.
      • The flexible metal diaphragm provides expansion capability to partially compensate for thermal expansion mismatch between the liquids and the cylinder.
      • All his recordings were made using the ‘acoustic method’ - singing in front of a large horn, connected to a recording diaphragm and cutting stylus, which cut a groove in a rotating wax disc.
  • 3A thin contraceptive cap fitting over the cervix.

    (避孕用的)子宫帽

    Example sentencesExamples
    • The Pill, condoms (female and male), diaphragms, and sponges also have failure rates and are very dependant on proper use; if any of these are used incorrectly the chances of pregnancy dramatically increase.
    • Today she says they will be using a condom, diaphragm, Norplant, foam, and the Pill.
    • Inserting a diaphragm or cap in can interrupt sex if you don't do it beforehand.
    • It should not be used with condoms or a diaphragm since petroleum jelly degrades latex.
    • In the initial phases of family planning in India, emphasis was given to user-friendly contraceptives such as diaphragms and jellies that the woman could discontinue.
    • Find out from this factsheet by the fpa how contraceptive diaphragms and caps work, how effective they are at preventing pregnancy and their advantages and disadvantages.
    • Some methods such as the condom and diaphragm can be stopped immediately.
    • Barrier methods of contraception include diaphragms, condoms and cervical caps.
    • Heavier women should switch to a higher-dose oral contraceptive, he says, or use a backup method such as a diaphragm or condom if they want to remain on the low-dose pill.
    • A diaphragm and condoms are good choices if you want methods that can be applied right before sex.
    • Contraception consisted of a diaphragm with spermacidal gel.
    • In the Catholic pre-wedding group talk I attended, we were told that contraceptive pills make you infertile, diaphragms and IUDs are abortions and the rhythm method is the only way to family plan.
    • There is no official magisterial teaching either about condoms, or about anti-ovulatory pills or diaphragms.
    • The fitting diaphragm can then be sold to the patient and the clinic stock replenished, or the patient can be sent to the pharmacy to order the correct size.
    • In addition to a diaphragm, use a condom to protect against STDs.
    • She has happily used a contraceptive diaphragm for the past 20 years.
    • Barrier methods include condoms, the diaphragm, the sponge, and the cervical cap.
    • For example, to dramatically lower your odds of getting cervical cancer, don't smoke, get regular Pap tests, limit sex partners and use condoms or a diaphragm.
    • Following his logic, we would have to say that Catholics who insist on using contraceptives should opt for condoms or diaphragms.
    • This compares with 11 percent for the condom, 17 percent for the diaphragm and about 1 percent for hormonal birth control such as the pill.
  • 4A device for varying the effective aperture of the lens in a camera or other optical system.

    (摄影机或其他光学系统的)光圈调节器

    Example sentencesExamples
    • It is not much unlike a conventional camera in the conception of design, consisting of a lens and a diaphragm that adjust the focus and control the amount of light coming through.
    • A 60X or 40X Nikon objective was used to photobleach an area in the membrane while closing down the field diaphragm of the microscope to its minimum size.
    • If you know how the combination of a shutter, a lens, a diaphragm, and a light meter can make a picture.
    • In experiments to find the effect of lens diameter he invented the familiar iris diaphragm.
    • The diaphragm device adjusts an exposure time by controlling incident luminous flux to the photographing element and an electric charge storage time of the photographing element.
    • Photographs were taken using a Nikon SMZ-U stereomicroscope with the diaphragm half open.
    • He suggests that a diaphragm may be placed over the lens to restrict the aperture, and so increase the depth of field - although this reduces brightness.
    • From the images above you can clearly see the lenses are identical even down to the aperture diaphragm, which begs the question is the lens in the PhotoPC 3000Z a Carl Zeiss design?

Derivatives

  • diaphragmatic

  • adjective ˌdʌɪəfraɡˈmatɪk
    • Relating to the diaphragm in the body.

      a diaphragmatic hernia
      Example sentencesExamples
      • diaphragmatic breathing
      • They also found he was suffering from a diaphragmatic hernia.
      • Prolonged mechanical ventilation results in diaphragmatic atrophy and contractile dysfunction, but its effect on the rate of protein synthesis is not known.
      • The relationship between diaphragmatic surface area and a given lung volume may be different during active breathing.

Origin

Late Middle English: from late Latin diaphragma, from Greek, from dia 'through, apart' + phragma 'a fence'.

Definition of diaphragm in US English:

diaphragm

nounˈdaɪəˌfræmˈdīəˌfram
  • 1A dome-shaped muscular partition separating the thorax from the abdomen in mammals. It plays a major role in breathing, as its contraction increases the volume of the thorax and so inflates the lungs.

    (哺乳动物体内分隔胸腔和腹腔的)隔膜

    Example sentencesExamples
    • Sometimes an abscess may burst upwards through the diaphragm into the lung and the contents can be coughed up.
    • Hiccups are a sudden, involuntary squeezing of the diaphragm, the main breathing muscle under the lungs.
    • We hypothesized that the diaphragms of such patients might generate greater levels of oxidants than those neutralized by antioxidants.
    • The diaphragm and lungs are above it; the colon and intestines are below it; and the kidneys are behind it.
    • Normal breathing is a two-step process starting with contractions of the diaphragm creating a vacuum in the lungs.
    • Separating the chest from the abdomen, the diaphragm (pronounced: die-uh-fram) plays a lead role in breathing.
    • Pleural effusions can also be located between the lung and the diaphragm.
    • This section includes portions of the lungs located in the recesses between the dome-shaped diaphragm and body wall.
    • The diaphragm is a muscle that separates the chest from the stomach organs.
    • Contraction of the expiratory muscles displaces the abdomen inward and the diaphragm upward into the thorax during exhalation.
    • In this type of hernia, part of the stomach pokes through the diaphragm, the main breathing muscle under the lungs.
    • Functioning of the diaphragm and thoracic musculature may be diminished, contributing to respiratory compromise.
    • And ultimately, they die from the diaphragm contracting to such an extent that they asphyxiate or suffocate to death.
    • Now she is learning to use her diaphragm too, as in yoga breathing.
    • The bottom of your heart sits just above the diaphragm and your lungs surround the heart on the sides.
    • Metastatic tumor was also found in the thyroid gland, pericardium, myocardium, bilateral lungs, diaphragm, bilateral kidneys, and liver.
    • Focus on your diaphragm muscle, you can tell a moment before it spasms.
    • The programme works by encouraging sufferers to use the costal diaphragm, which most people only use for singing.
    • The largest internal organ in the body, the liver is located in the upper right portion of the abdomen, beneath the diaphragm and above most of the stomach, intestines and pancreas.
    • It is also possible that the close proximity between the infected lung and the diaphragm contributed to the preferential impairment of diaphragmatic contractility.
  • 2A thin sheet of material forming a partition.

    分隔薄膜

    Example sentencesExamples
    • The trans layers make contact and produce an axially symmetric hemifusion diaphragm.
    • New growth cycles began with the formation of new basal diaphragms and lateral walls of living chambers.
    • In this way the stalk expands radially to form a hemifusion diaphragm.
    1. 2.1 A taut flexible membrane in mechanical or acoustic systems.
      (机械或音响系统中的)膜片
      Example sentencesExamples
      • When such a wave impinges on a microphone diaphragm, its motion assumes that of the adjoining medium.
      • A diaphragm extends around the shaft and defines fluidly separate upper and lower chambers within a valve body.
      • A dynamic microphone's diaphragm, for instance, moves an attached coil of wire past a magnet to induce current flow in the wire. See diagram.
      • The diaphragm is the component that needs the most attention, as it hardens with age and could rupture.
      • All his recordings were made using the ‘acoustic method’ - singing in front of a large horn, connected to a recording diaphragm and cutting stylus, which cut a groove in a rotating wax disc.
      • Those vibrations correspond to the sound pressure on the diaphragm and create the audio signal which is recorded.
      • The flexible metal diaphragm provides expansion capability to partially compensate for thermal expansion mismatch between the liquids and the cylinder.
      • A flexible diaphragm extends over at least a portion of the oil reservoir, and a seal is secured to the diaphragm.
      • The ear canal is closed at its inner end by a thin diaphragm of stretched skin known as the eardrum or tympanic membrane, which vibrates as the air pressure changes.
      • For a condenser mic, the principle components are the diaphragm, air and backplate.
      • Shoring was removed as final welds and structural diaphragms were added to ensure that the primary structural system performed as intended.
      • The backing assembly is positioned in the head, and the backing assembly can include a plate in the chamber and a diaphragm on one side of the plate.
      • Do you really need another 1-inch diaphragm condenser mic for vocals, acoustic guitar, drum overheads, horns or piano?
      • A flat glass plate closes the cylinder on the oil side, whereas a truncated glass sphere mounted on a thin metal diaphragm closes the side of the salt solution.
      • Brunelleschi's brickwork masonry envelope has an ‘improved’ cross-section and consists of inner and outer skins linked by diaphragms.
      • A resonant frequency Fv2 of the rear space is set at a value in the range: F0 of the diaphragm, and Fv1 is a resonant frequency of the front space.
      • Working independently, Gray and Bell both developed systems based on electromagnetic receivers with steel diaphragms.
      • Between the barrel and the air chamber is a thin plastic diaphragm, which isolates the sabot from the high pressure air until shot time.
      • The diaphragm is acted upon by a predetermined reference pressure within a reference chamber 90 of the control valve.
      • The diaphragm is a flexible disk made of sheet metal with ridges carved into it.
  • 3A thin contraceptive cap fitting over the cervix.

    (避孕用的)子宫帽

    Example sentencesExamples
    • For example, to dramatically lower your odds of getting cervical cancer, don't smoke, get regular Pap tests, limit sex partners and use condoms or a diaphragm.
    • Contraception consisted of a diaphragm with spermacidal gel.
    • The Pill, condoms (female and male), diaphragms, and sponges also have failure rates and are very dependant on proper use; if any of these are used incorrectly the chances of pregnancy dramatically increase.
    • Inserting a diaphragm or cap in can interrupt sex if you don't do it beforehand.
    • Barrier methods of contraception include diaphragms, condoms and cervical caps.
    • Following his logic, we would have to say that Catholics who insist on using contraceptives should opt for condoms or diaphragms.
    • Today she says they will be using a condom, diaphragm, Norplant, foam, and the Pill.
    • There is no official magisterial teaching either about condoms, or about anti-ovulatory pills or diaphragms.
    • In the initial phases of family planning in India, emphasis was given to user-friendly contraceptives such as diaphragms and jellies that the woman could discontinue.
    • This compares with 11 percent for the condom, 17 percent for the diaphragm and about 1 percent for hormonal birth control such as the pill.
    • Heavier women should switch to a higher-dose oral contraceptive, he says, or use a backup method such as a diaphragm or condom if they want to remain on the low-dose pill.
    • A diaphragm and condoms are good choices if you want methods that can be applied right before sex.
    • Some methods such as the condom and diaphragm can be stopped immediately.
    • She has happily used a contraceptive diaphragm for the past 20 years.
    • The fitting diaphragm can then be sold to the patient and the clinic stock replenished, or the patient can be sent to the pharmacy to order the correct size.
    • Find out from this factsheet by the fpa how contraceptive diaphragms and caps work, how effective they are at preventing pregnancy and their advantages and disadvantages.
    • It should not be used with condoms or a diaphragm since petroleum jelly degrades latex.
    • Barrier methods include condoms, the diaphragm, the sponge, and the cervical cap.
    • In the Catholic pre-wedding group talk I attended, we were told that contraceptive pills make you infertile, diaphragms and IUDs are abortions and the rhythm method is the only way to family plan.
    • In addition to a diaphragm, use a condom to protect against STDs.
  • 4A device for varying the effective aperture of the lens in a camera or other optical system.

    (摄影机或其他光学系统的)光圈调节器

    Example sentencesExamples
    • It is not much unlike a conventional camera in the conception of design, consisting of a lens and a diaphragm that adjust the focus and control the amount of light coming through.
    • Photographs were taken using a Nikon SMZ-U stereomicroscope with the diaphragm half open.
    • The diaphragm device adjusts an exposure time by controlling incident luminous flux to the photographing element and an electric charge storage time of the photographing element.
    • In experiments to find the effect of lens diameter he invented the familiar iris diaphragm.
    • If you know how the combination of a shutter, a lens, a diaphragm, and a light meter can make a picture.
    • He suggests that a diaphragm may be placed over the lens to restrict the aperture, and so increase the depth of field - although this reduces brightness.
    • From the images above you can clearly see the lenses are identical even down to the aperture diaphragm, which begs the question is the lens in the PhotoPC 3000Z a Carl Zeiss design?
    • A 60X or 40X Nikon objective was used to photobleach an area in the membrane while closing down the field diaphragm of the microscope to its minimum size.

Origin

Late Middle English: from late Latin diaphragma, from Greek, from dia ‘through, apart’ + phragma ‘a fence’.

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