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单词 Atmospheric pressure
例句
1. Atmospheric pressure varies with elevation and temperature.
2. The barometer marked a continuing fall in atmospheric pressure.
3. It usually equals the atmospheric pressure.
4. Normal atmospheric pressure is about 100 kPa, so the cabin pressure was just over one third of this.
5. We use atmospheric pressure readings from barometers to forecast the weather.
6. The cylinder swelled and contracted with the changing atmospheric pressure.
7. Sense organs for lunar and planetary influences, for atmospheric pressure and cosmic rays are as yet purely hypothetical. 2.
8. The cabin is usually stabilised at less than atmospheric pressure, so its air has less oxygen than usual.
9. Atmospheric pressure then forced the piston down the cylinder in which it was sitting.
10. The glass ( ie atmospheric pressure ) is falling.
11. A center of high atmospheric pressure ; an anticyclone.
12. What's the mean cloud top atmospheric pressure of Neptune?
13. Boiling points vary according to the barometric or atmospheric pressure.
14. Standard atmospheric pressure to high pressure pipeline vacuum 10.33 meters.
15. Atmospheric pressure synthesis of ortho-nitroanisole from o-nitrochlorobenzene, methanol and sodium hydroxide catalysed by phase transfer catalyst benzyl tributyl ammonium chloride was studied.
16. At atmospheric pressure , the device is packaged and the performance was tested.
17. The behaviors of propylene polymerization under atmospheric pressure and the influence of electron donors on the activity and the isotacticity of the catalyst were investigated.
18. In a cabin soaked in pure oxygen at greater than atmospheric pressure for five hours, almost anything bums.
19. The ocean currents flow around these in the same way that winds blow around high and low centres of atmospheric pressure.
20. One was its glass house-the vacuum chamber that shielded the chronometer from troubling changes of atmospheric pressure and humidity.
21. There is a close parallel here with changes to atmospheric pressure; high and low sea-level systems exist in the oceans.
22. The temperature pattern also reverses when the pattern of atmospheric pressure of the southern oscillation reverses.
23. In this dissertation, through some improvements of conventional reactor structure, a new abnormal glow discharge plasma chemical reaction apparatus under atmospheric pressure has been invented.
24. Consequently, a new one-step approach to thiocarbamates was exploited via selenium-catalyzed carbonylation of nitroarenes with thiols at atmospheric pressure.
25. An experimental investigation on transient of wall temperature in start-up process of pool boiling heat transfer, on vertical plain tube and narrow annuli under atmospheric pressure, was carried out.
26. It is found that conversion of cyclohexane with NO2 as nitrating agent occurred in a glass reactor at atmospheric pressure. The main product was nitrocyclohexane which was identified by GC-MS.
27. The article circumfuse this problem, particularly discuss the compensation method of atmospheric pressure.
28. A hypobaric storage system controls the O2 concentration by regulating the atmospheric pressure, but its technology and effect differ from CA entirely.
29. Vacuum may be thought of as the absence of pressure. It is the measure of negative pressure between standardized atmospheric pressure and a theoretically perfect vacuum.
30. A supercharger is any device that pressurizes the air intake to above atmospheric pressure.
1. The barometer marked a continuing fall in atmospheric pressure.
31. The mercaptoacetic acid was synthesized under atmospheric pressure using chloroacetic acid and sodium hydrosulfide as raw materials.
32. Research on the dielectric barrier discharge nitrogen nitriding at atmospheric pressure have consumedly progressed.
33. The select(?)ve synthesis of dimethylamine from ammonia and methylalcohol using the cation modified mordenite as catalysts on atmospheric pressure fixed bed have been studied.
34. The identification of fatty acid derivatives was performed by the online APCI/MS (atmospheric pressure chemical ionization source) in positive mode.
35. ATMOSPHERIC PRESSURE, Pressure of air due to the earth"s atmosphere, expressed in pounds per square inch (psi) or inches of mercury (in Hg) or millibars (mB)."
36. Under the condition of phase-transfer catalyst existing, o-nitroanisole was obtained via dropping thick base at atmospheric pressure and reflux temperature, the yield was 85%.
37. This latter function is necessary to prevent one form of vapor lock: a stoppage of fuel flow caused by an insufficient amount of atmospheric pressure inside the tank.
38. The former helps to obtain large driving force with constant ampl :tude, and the latter makes it possible to achieve high Q-values at atmospheric pressure.
39. Fluid Mechanics - Pascal's Principle - Hydrostatics - Atmospheric Pressure - Over Pressure in Lungs and Tires.
40. Arsine is a toxic, colorless gas with a garlic - like odor at room temperature and atmospheric pressure.
41. Therefore we studied the redox carbonylation of nitroarenes with thiols at atmospheric pressure in detail and succeeded in reducing the high reaction pressure to atmospheric pressure .
42. Pipe, are to stop after cohesion 8 a 10 atmospheres of pressure or suspend the 8 a 10 gas-tight test of the atmospheric pressure, checking the welds and joint have revealed that gas attack.
43. The transformation of GS-15 gravimeter is successful, but the interference of atmospheric pressure will be solved in future.
44. In meteorology, depression is an area of low atmospheric pressure with associated weather phenomena.
45. Digital barometer with LCD display atmospheric pressure, graphically displays the barometric trend, reports temperature relative humidity.
46. Summary : A design of a digital atmospheric pressure altimeter based on C 51 programming language is presented.
47. The study and experiment of saturated liquid nitrogen boiling heat transfer in natural circulation at atmospheric pressure in home made porous layer tube is described.
48. The second-order polynomial of pressure variation with different latitudes considering atmospheric pressure is best.
49. Because in the cabin already had the complete set life maintenance system, and has an atmospheric pressure cabin internal pressure .
50. A line on a weather map connecting points of equal atmospheric pressure.
51. Ethanol and tert-amyl alcohol were employed to synthesize tert-amyl ethyl ether in the liquid phase at atmospheric pressure. The strong acid cation exchange resin, NKC-29, was used as catalyst.
52. A two-step epitaxial growth technique from low pressure to atmospheric pressure has been presented.
53. Distributive law of atmospheric pressure and effective stress in depths is also given out.
54. Atmospheric pressure is the weight of ail the air against the surface of the earth.
55. Atmospheric pressure altimeter is an important kind of aeronautical instruments,(http:///atmospheric pressure.html) the main function of which is to offer carrier exact altitudinal information.
56. There is no connection between the pressure measurement of the absolute pressure gauge and the fluctuation of the atmospheric pressure. Therefore, the gauge is suitable for measuring gas and liquid.
57. Under normal atmospheric pressure, water freezes the volume suddenly increased around 11 %.
58. In order to reduce raw material costs, this topic then studied at the condition of atmospheric pressure taking hydrosulfide sodium as materials to synthesis sodium thioglycolate kettle-style process.
59. The method of liquid oxygen oxidation of chlorotoluene mixture was choosen to synthesize chlorobenzoic acids, and the reactions were carried out under atmospheric pressure.
60. Diamond-Like Carbon(DLC) films were deposited by a DBD plasma gun at an atmospheric pressure, with CH_4 as a precursor and Ar as dilution gas.
61. The upper surface of the fluid is under atmospheric pressure.
62. Compressed air of the energy is provided by a certain way to let the compressed air expansion to atmospheric pressure state and of generation.
63. Conclusion: BHID should be the first way to treat traumatic slow subdural hematoma in atmospheric pressure.
64. This instrument is self - contained, and its reading does not depend on atmospheric pressure.
65. Moreover , in pressure condition , the air flow rate is not greater than that in atmospheric pressure.
66. The unit of atmospheric pressure is shown by the height of the mercury column.
67. About every 130 increase in atmospheric pressure, the water freezing temperature reduced by 1 degree Celsius.
68. The standard method with atmospheric pressure correction for distillation test of coking benzene products is studied. The distillation range of coking benzene products is defined.
69. On air-jet spinning machine, spinning speed, atmospheric pressure of the first nozzle and the second nozzle are main technologic parameters affecting yarn strength.
70. The bailer is a 5-ft cylinder that is lowered into the well under atmospheric pressure.
71. In this article the authors explored a new grease of silicone fluid under atmospheric pressure, which is compounded by stearic acid, methylic silicone fluid, some other additives, etc.
72. A high vacuum in the fuel tank can cause atmospheric pressure to collapse the tank.
73. A glass envelope is used to contain a gas at about 1 / 1000 atmospheric pressure.
74. Air at atmospheric pressure is sucked into the combustion chamber.
75. The gas phase oxidative cracking(GOC) processes of decalin and cyclohexane were investigated by using the quartz tube reactor at atmospheric pressure.
76. Rising atmospheric pressure as a high moves in will press with more force on the surface of the water and push the column of water in the bottle to a higher level.
77. We are measuring the atmospheric pressure on the Qinghai - Tibet Plateau.
78. The area of peak 3 increased by 1.90-and 5.74-fold, respectively, after drying in vacuo and under atmospheric pressure.
79. To regain a thermodynamic stability corresponding to atmospheric pressure, carbon dioxide molecules must leave the supersaturated fluid.
80. The experimental results show that the device has its Q-factor of detected mode and driven mode in almost same order of 66 at atmospheric pressure.
81. Supported phosphorized molybdenum catalyst precursor was prepared by the sol-gel method, and reduced under atmospheric pressure by hydrogen nitrogen mixture for the first time.
82. When the external pressure is below atmospheric pressure, the boiling point will be lower.
83. An aneroid is a sealed bellows which is sensitive to changes in atmospheric pressure.
83. is a online sentence dictionary, on which you can find good sentences for a large number of words.
84. Objective : To analyze the treatment experience of BHID treating traumatic slow subdural hematoma atmospheric pressure.
85. This paper was study of atmospheric pressure synthesis ofp-nitroanisole from p-nitrochlorobenzene, methanol and sodium hydroxide catalysed by phase transfer catalyst benzyl triethyl ammonium chloride.
86. Dielectric barrier discharges ( DBD ) for generating non - thermal plasma at atmospheric pressure for textile processing are reviewed.
87. Sufficient deep breathing. Reduce the atmospheric pressure inside body, make abdominal muscle sufficient enlist campaign.
88. Glycine was synthesized by phase transfer catalysis in the normal atmospheric temperature and atmospheric pressure.
89. Vacuum pressure valve of the valve is below standard atmospheric pressure.
90. When the line pressure to atmospheric pressure, open the ball tube, check pigging or caliper effect.
91. At room temperature and atmospheric pressure, using O2 as an oxidant, HBr and tert-butyl nitrite as catalysts, selective oxidation of a broad range of sulfides was achieved.
92. The reaction was carried out in morpholine in the presence of potassium hydroxide under atmospheric pressure.
93. Reduce the atmospheric pressure inside body, make abdominal muscle sufficient enlist campaign.
94. The potential advantages of DBD at atmospheric pressure in textile processing and plasma chemistry are described.
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