atmospheric pressure造句
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, 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.
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