Definition of test tube in English:

test tube

noun

1A thin glass tube closed at one end, used to hold small amounts of material for laboratory testing or experiments.
Example sentencesExamples
- The medical method of choosing a baby's gender is to undergo fertility treatment, in which the egg and sperm are mixed in a test tube.
- Other carbonates won't fizz unless their powder is heated in a test tube with HC1.
- A nurse comes over and takes a blood sample by pricking the baby's finger with a needle and squeezing blood into a test tube.
- The collected volume of sap was determined by measuring the difference in weight of the test tube, before and after collection of the exuding sap.
- I pulled back in surprise, then set the hot test tube in its rack.
- Nonhomogenized connective tissue was removed from the test tube and discarded.
- One test tube with 2 mL assay solution without root tissue was used as a control.
- The girl, 14 at the time of the incident in May 1996, was injured when a test tube of ethanol boiled over during a chemistry class.
- Modern cosmetics are packed with chemicals more at home in a test tube than on our faces.
- When the reaction was complete, the catalyst congealed into a sticky solid and settled to the bottom of the test tube.
- Besides studying fibrils in the test tube, researchers would like to make computer models to view fibril formation.
- The second assumption is that reaction mechanisms themselves are equivalent to those observed in the test tube.
- Rather shakily she recorded the results, then carefully labeled the test tube with the name of her new chemical.
- When the investigators treated the cells in a test tube by restoring normal acidity, the bacteria no longer could adhere.
- The researchers have also used an enzyme called polymerase to make exact copies of the DNA strands in a test tube.
- To capture the raindrops efficiently, you must now tip the test tube to the angle that matches the rain streaks on the windows.
- The lipid was deposited as a film on the wall of a glass test tube by solvent evaporation under nitrogen.
- To test if the starch has been converted to sugars, half fill a test tube with the liquid and add 1 or 2 drops of tincture of iodine.
- Just because conception takes place in a laboratory test tube, it is no less emotionally fraught for the couple concerned and no less morally taxing for the rest of us.
- We can make micro-organisms evolve very quickly in a test tube, by applying an appropriate selective pressure like an antibody.
1. 1.1as modifier Denoting things produced or processes performed in a laboratory.
  new forms of test-tube life
  Example sentencesExamples
  After a six-month immigration battle, test-tube twins born to their maternal grandmother in Gujarat have been allowed to enter Britain to be re-united with their genetic parents.
  By doing so, scientists can create experiments in silico, using the computer rather than traditional test-tube methods known as the ‘wet’ lab approach.
  In the test-tube part of the study, the oregano oil completely stopped or prevented the growth of candida - by up to 75 percent.
  After four or five days in space, the sperm will be returned to Earth where it will used to make test-tube piglets.
  In test-tube experiments, scientists studied the effect of serotonin on Burkitt's lymphoma, a cancer of the immune system.
  Even the lead researcher of the Science study, Ian Blair, Ph.D., professor at the University of Pennsylvania in Philadelphia, has said his test-tube results are preliminary and cannot be applied to humans.
  Science, when it involves the real world and not some artificially controlled test-tube environment, is absolutely packed with uncertainties, and there are always opposing views - sometimes more than two.
  Adorability notwithstanding, the test-tube koalas are by-products of a project to establish the use of long-shelf-life koala sperm as a means of shoring up vulnerable populations.
  These test-tube experiments revealed that trehalose - a sugar naturally made by organisms including yeast, bacteria, and insects - inhibits the aggregation.
  Compounds in cat's claw called pentacyclic alkaloids have been shown in test-tube studies to have anti-viral, anti-inflammatory and detoxification properties.
  ‘We are still at the test-tube stage and chemical agents used would not be suitable for human use,’ he said.
  Folkman and the other members of the research team quickly came up with a long-term blood-storage solution, but in working on the problem he discovered that tumor cells that grew in mice did not grow in a test-tube culture.
  The scientists then used test-tube experiments to show the virus could infect T cells under laboratory conditions.
  Animal and test-tube studies have long suggested that damage caused by oxidation leads to cataracts and macular degeneration.
  But it's not clear whether the study's test-tube measure - the Oxygen Radical Absorbance Capacity, or ORAC - reflects what happens in the body.
  Although many studies involving quercetin are still in the test-tube phase, onions are still a good source of vitamins and minerals.
  In the January Chemical Research in Toxicology, Fukuhara's group describes test-tube experiments showing that even at high concentrations, the synthetic catechin remains an antioxidant.
  In test-tube studies, the enzyme can destroy flagellin whether it's part of a bacterium's flagella or just free-floating in a solution.
  During test-tube studies at Showa University in Tokyo, published in the Archives of Dermatological Research, a major component of green tea, EGCg, seemed to neutralize the effects of a toxin thought to trigger eczema.
  There is, admits Alison, still a stigma attached to test-tube babes: ‘People just look at you differently when you have gone through this.’

Definition of test tube in US English:

test tube

nounˈtɛs(t) ˌt(j)ubˈtes(t) ˌt(y)o͞ob

1A thin glass tube closed at one end, used to hold small amounts of material for laboratory testing or experiments.
Example sentencesExamples
- The lipid was deposited as a film on the wall of a glass test tube by solvent evaporation under nitrogen.
- The researchers have also used an enzyme called polymerase to make exact copies of the DNA strands in a test tube.
- The second assumption is that reaction mechanisms themselves are equivalent to those observed in the test tube.
- Nonhomogenized connective tissue was removed from the test tube and discarded.
- Rather shakily she recorded the results, then carefully labeled the test tube with the name of her new chemical.
- When the investigators treated the cells in a test tube by restoring normal acidity, the bacteria no longer could adhere.
- Besides studying fibrils in the test tube, researchers would like to make computer models to view fibril formation.
- The collected volume of sap was determined by measuring the difference in weight of the test tube, before and after collection of the exuding sap.
- Modern cosmetics are packed with chemicals more at home in a test tube than on our faces.
- One test tube with 2 mL assay solution without root tissue was used as a control.
- To test if the starch has been converted to sugars, half fill a test tube with the liquid and add 1 or 2 drops of tincture of iodine.
- I pulled back in surprise, then set the hot test tube in its rack.
- The medical method of choosing a baby's gender is to undergo fertility treatment, in which the egg and sperm are mixed in a test tube.
- To capture the raindrops efficiently, you must now tip the test tube to the angle that matches the rain streaks on the windows.
- When the reaction was complete, the catalyst congealed into a sticky solid and settled to the bottom of the test tube.
- We can make micro-organisms evolve very quickly in a test tube, by applying an appropriate selective pressure like an antibody.
- Other carbonates won't fizz unless their powder is heated in a test tube with HC1.
- Just because conception takes place in a laboratory test tube, it is no less emotionally fraught for the couple concerned and no less morally taxing for the rest of us.
- The girl, 14 at the time of the incident in May 1996, was injured when a test tube of ethanol boiled over during a chemistry class.
- A nurse comes over and takes a blood sample by pricking the baby's finger with a needle and squeezing blood into a test tube.
1. 1.1as modifier Denoting things produced or processes performed in a laboratory.
  new forms of test-tube life
  Example sentencesExamples
  In the January Chemical Research in Toxicology, Fukuhara's group describes test-tube experiments showing that even at high concentrations, the synthetic catechin remains an antioxidant.
  But it's not clear whether the study's test-tube measure - the Oxygen Radical Absorbance Capacity, or ORAC - reflects what happens in the body.
  Folkman and the other members of the research team quickly came up with a long-term blood-storage solution, but in working on the problem he discovered that tumor cells that grew in mice did not grow in a test-tube culture.
  Although many studies involving quercetin are still in the test-tube phase, onions are still a good source of vitamins and minerals.
  Science, when it involves the real world and not some artificially controlled test-tube environment, is absolutely packed with uncertainties, and there are always opposing views - sometimes more than two.
  Animal and test-tube studies have long suggested that damage caused by oxidation leads to cataracts and macular degeneration.
  In the test-tube part of the study, the oregano oil completely stopped or prevented the growth of candida - by up to 75 percent.
  By doing so, scientists can create experiments in silico, using the computer rather than traditional test-tube methods known as the ‘wet’ lab approach.
  There is, admits Alison, still a stigma attached to test-tube babes: ‘People just look at you differently when you have gone through this.’
  During test-tube studies at Showa University in Tokyo, published in the Archives of Dermatological Research, a major component of green tea, EGCg, seemed to neutralize the effects of a toxin thought to trigger eczema.
  These test-tube experiments revealed that trehalose - a sugar naturally made by organisms including yeast, bacteria, and insects - inhibits the aggregation.
  In test-tube experiments, scientists studied the effect of serotonin on Burkitt's lymphoma, a cancer of the immune system.
  Compounds in cat's claw called pentacyclic alkaloids have been shown in test-tube studies to have anti-viral, anti-inflammatory and detoxification properties.
  After four or five days in space, the sperm will be returned to Earth where it will used to make test-tube piglets.
  After a six-month immigration battle, test-tube twins born to their maternal grandmother in Gujarat have been allowed to enter Britain to be re-united with their genetic parents.
  The scientists then used test-tube experiments to show the virus could infect T cells under laboratory conditions.
  In test-tube studies, the enzyme can destroy flagellin whether it's part of a bacterium's flagella or just free-floating in a solution.
  ‘We are still at the test-tube stage and chemical agents used would not be suitable for human use,’ he said.
  Adorability notwithstanding, the test-tube koalas are by-products of a project to establish the use of long-shelf-life koala sperm as a means of shoring up vulnerable populations.
  Even the lead researcher of the Science study, Ian Blair, Ph.D., professor at the University of Pennsylvania in Philadelphia, has said his test-tube results are preliminary and cannot be applied to humans.

单词	test tube
释义	Definition of test tube in English: test tube noun 1A thin glass tube closed at one end, used to hold small amounts of material for laboratory testing or experiments. Example sentencesExamples The medical method of choosing a baby's gender is to undergo fertility treatment, in which the egg and sperm are mixed in a test tube. Other carbonates won't fizz unless their powder is heated in a test tube with HC1. A nurse comes over and takes a blood sample by pricking the baby's finger with a needle and squeezing blood into a test tube. The collected volume of sap was determined by measuring the difference in weight of the test tube, before and after collection of the exuding sap. I pulled back in surprise, then set the hot test tube in its rack. Nonhomogenized connective tissue was removed from the test tube and discarded. One test tube with 2 mL assay solution without root tissue was used as a control. The girl, 14 at the time of the incident in May 1996, was injured when a test tube of ethanol boiled over during a chemistry class. Modern cosmetics are packed with chemicals more at home in a test tube than on our faces. When the reaction was complete, the catalyst congealed into a sticky solid and settled to the bottom of the test tube. Besides studying fibrils in the test tube, researchers would like to make computer models to view fibril formation. The second assumption is that reaction mechanisms themselves are equivalent to those observed in the test tube. Rather shakily she recorded the results, then carefully labeled the test tube with the name of her new chemical. When the investigators treated the cells in a test tube by restoring normal acidity, the bacteria no longer could adhere. The researchers have also used an enzyme called polymerase to make exact copies of the DNA strands in a test tube. To capture the raindrops efficiently, you must now tip the test tube to the angle that matches the rain streaks on the windows. The lipid was deposited as a film on the wall of a glass test tube by solvent evaporation under nitrogen. To test if the starch has been converted to sugars, half fill a test tube with the liquid and add 1 or 2 drops of tincture of iodine. Just because conception takes place in a laboratory test tube, it is no less emotionally fraught for the couple concerned and no less morally taxing for the rest of us. We can make micro-organisms evolve very quickly in a test tube, by applying an appropriate selective pressure like an antibody. 1.1as modifier Denoting things produced or processes performed in a laboratory. new forms of test-tube life Example sentencesExamples After a six-month immigration battle, test-tube twins born to their maternal grandmother in Gujarat have been allowed to enter Britain to be re-united with their genetic parents. By doing so, scientists can create experiments in silico, using the computer rather than traditional test-tube methods known as the ‘wet’ lab approach. In the test-tube part of the study, the oregano oil completely stopped or prevented the growth of candida - by up to 75 percent. After four or five days in space, the sperm will be returned to Earth where it will used to make test-tube piglets. In test-tube experiments, scientists studied the effect of serotonin on Burkitt's lymphoma, a cancer of the immune system. Even the lead researcher of the Science study, Ian Blair, Ph.D., professor at the University of Pennsylvania in Philadelphia, has said his test-tube results are preliminary and cannot be applied to humans. Science, when it involves the real world and not some artificially controlled test-tube environment, is absolutely packed with uncertainties, and there are always opposing views - sometimes more than two. Adorability notwithstanding, the test-tube koalas are by-products of a project to establish the use of long-shelf-life koala sperm as a means of shoring up vulnerable populations. These test-tube experiments revealed that trehalose - a sugar naturally made by organisms including yeast, bacteria, and insects - inhibits the aggregation. Compounds in cat's claw called pentacyclic alkaloids have been shown in test-tube studies to have anti-viral, anti-inflammatory and detoxification properties. ‘We are still at the test-tube stage and chemical agents used would not be suitable for human use,’ he said. Folkman and the other members of the research team quickly came up with a long-term blood-storage solution, but in working on the problem he discovered that tumor cells that grew in mice did not grow in a test-tube culture. The scientists then used test-tube experiments to show the virus could infect T cells under laboratory conditions. Animal and test-tube studies have long suggested that damage caused by oxidation leads to cataracts and macular degeneration. But it's not clear whether the study's test-tube measure - the Oxygen Radical Absorbance Capacity, or ORAC - reflects what happens in the body. Although many studies involving quercetin are still in the test-tube phase, onions are still a good source of vitamins and minerals. In the January Chemical Research in Toxicology, Fukuhara's group describes test-tube experiments showing that even at high concentrations, the synthetic catechin remains an antioxidant. In test-tube studies, the enzyme can destroy flagellin whether it's part of a bacterium's flagella or just free-floating in a solution. During test-tube studies at Showa University in Tokyo, published in the Archives of Dermatological Research, a major component of green tea, EGCg, seemed to neutralize the effects of a toxin thought to trigger eczema. There is, admits Alison, still a stigma attached to test-tube babes: ‘People just look at you differently when you have gone through this.’ Definition of test tube in US English: test tube nounˈtɛs(t) ˌt(j)ubˈtes(t) ˌt(y)o͞ob 1A thin glass tube closed at one end, used to hold small amounts of material for laboratory testing or experiments. Example sentencesExamples The lipid was deposited as a film on the wall of a glass test tube by solvent evaporation under nitrogen. The researchers have also used an enzyme called polymerase to make exact copies of the DNA strands in a test tube. The second assumption is that reaction mechanisms themselves are equivalent to those observed in the test tube. Nonhomogenized connective tissue was removed from the test tube and discarded. Rather shakily she recorded the results, then carefully labeled the test tube with the name of her new chemical. When the investigators treated the cells in a test tube by restoring normal acidity, the bacteria no longer could adhere. Besides studying fibrils in the test tube, researchers would like to make computer models to view fibril formation. The collected volume of sap was determined by measuring the difference in weight of the test tube, before and after collection of the exuding sap. Modern cosmetics are packed with chemicals more at home in a test tube than on our faces. One test tube with 2 mL assay solution without root tissue was used as a control. To test if the starch has been converted to sugars, half fill a test tube with the liquid and add 1 or 2 drops of tincture of iodine. I pulled back in surprise, then set the hot test tube in its rack. The medical method of choosing a baby's gender is to undergo fertility treatment, in which the egg and sperm are mixed in a test tube. To capture the raindrops efficiently, you must now tip the test tube to the angle that matches the rain streaks on the windows. When the reaction was complete, the catalyst congealed into a sticky solid and settled to the bottom of the test tube. We can make micro-organisms evolve very quickly in a test tube, by applying an appropriate selective pressure like an antibody. Other carbonates won't fizz unless their powder is heated in a test tube with HC1. Just because conception takes place in a laboratory test tube, it is no less emotionally fraught for the couple concerned and no less morally taxing for the rest of us. The girl, 14 at the time of the incident in May 1996, was injured when a test tube of ethanol boiled over during a chemistry class. A nurse comes over and takes a blood sample by pricking the baby's finger with a needle and squeezing blood into a test tube. 1.1as modifier Denoting things produced or processes performed in a laboratory. new forms of test-tube life Example sentencesExamples In the January Chemical Research in Toxicology, Fukuhara's group describes test-tube experiments showing that even at high concentrations, the synthetic catechin remains an antioxidant. But it's not clear whether the study's test-tube measure - the Oxygen Radical Absorbance Capacity, or ORAC - reflects what happens in the body. Folkman and the other members of the research team quickly came up with a long-term blood-storage solution, but in working on the problem he discovered that tumor cells that grew in mice did not grow in a test-tube culture. Although many studies involving quercetin are still in the test-tube phase, onions are still a good source of vitamins and minerals. Science, when it involves the real world and not some artificially controlled test-tube environment, is absolutely packed with uncertainties, and there are always opposing views - sometimes more than two. Animal and test-tube studies have long suggested that damage caused by oxidation leads to cataracts and macular degeneration. In the test-tube part of the study, the oregano oil completely stopped or prevented the growth of candida - by up to 75 percent. By doing so, scientists can create experiments in silico, using the computer rather than traditional test-tube methods known as the ‘wet’ lab approach. There is, admits Alison, still a stigma attached to test-tube babes: ‘People just look at you differently when you have gone through this.’ During test-tube studies at Showa University in Tokyo, published in the Archives of Dermatological Research, a major component of green tea, EGCg, seemed to neutralize the effects of a toxin thought to trigger eczema. These test-tube experiments revealed that trehalose - a sugar naturally made by organisms including yeast, bacteria, and insects - inhibits the aggregation. In test-tube experiments, scientists studied the effect of serotonin on Burkitt's lymphoma, a cancer of the immune system. Compounds in cat's claw called pentacyclic alkaloids have been shown in test-tube studies to have anti-viral, anti-inflammatory and detoxification properties. After four or five days in space, the sperm will be returned to Earth where it will used to make test-tube piglets. After a six-month immigration battle, test-tube twins born to their maternal grandmother in Gujarat have been allowed to enter Britain to be re-united with their genetic parents. The scientists then used test-tube experiments to show the virus could infect T cells under laboratory conditions. In test-tube studies, the enzyme can destroy flagellin whether it's part of a bacterium's flagella or just free-floating in a solution. ‘We are still at the test-tube stage and chemical agents used would not be suitable for human use,’ he said. Adorability notwithstanding, the test-tube koalas are by-products of a project to establish the use of long-shelf-life koala sperm as a means of shoring up vulnerable populations. Even the lead researcher of the Science study, Ian Blair, Ph.D., professor at the University of Pennsylvania in Philadelphia, has said his test-tube results are preliminary and cannot be applied to humans.
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