Đặt câu với từ "thermal conductivity"

1. The thermal conductivity of Aerogel insulators is approximately two times lower than the thermal conductivity of for example PUR or EPS

2. Aluminised steel has high thermal conductivity than stainless steel.

3. 9 High thermal conductivity, High index of refraction glue.

4. 1 The technician plotted the thermal conductivity versus mean temperature.

5. Aluminum nitride sintered body with high thermal conductivity and its preparation

6. Polyoxyethylene shows likewise a decrease of thermal conductivity with increasing temperature.

7. Composite acoustic backing with high thermal conductivity for ultrasound transducer array

8. Device and method for measuring dynamic thermal conductivity of micro-structured fluid

9. High porosity acoustic backing with high thermal conductivity for ultrasound transducer array

10. The thermal conductivity is better, but the heat Absorbing power is still poor

11. Alamode is designed for analyzing lattice anharmonicity and lattice thermal conductivity of solids

12. 12 Hair fiber is very low thermal conductivity, heat dissipation is not easy.

13. Transparent superinsulating silica Aerogels exhibit the lowest thermal conductivity of any solid known.

14. The high thermal conductivity and high melting point makes uranium carbide an attractive fuel.

15. Aerogels may have a thermal conductivity smaller than that of the gas they contain.

16. This reduces the mean free path and reduces the thermal conductivity of nanotube structures.

17. Such gap can be filled by a vacuum, air or material with low thermal conductivity.

18. Thermal conductivity is 0.5 Wm−1K−1 which is about a quarter that of ice.

19. Analytical expressions are also obtained to calculate an approximate value of the lattice thermal conductivity.

20. SiC products thus have the highest cold-crushing strength, hot-bending strength and thermal conductivity.

21. 8 This high thermal conductivity gives diamond a small but useful role in the semiconductor industry.

22. 10 Measuring principle of thermal conductivity of solid particles with hot wire method is briefly discussed.

23. Thermal conductivity, thermal diffusivity and volume specific heat were studied using the transient plane source method.

24. Aerogels have very low thermal conductivity and can provide significant insulation through the encapsulation of air.

25. Alamode is an open source software designed for analyzing lattice anharmonicity and lattice thermal conductivity of solids

26. Furthermore, the thermal conductivity depends on the manufacture (dry or wet process) and is influenced by density.

27. 19 The most obvious differences are the lower density and thermal conductivity of plastics compared with glass.

28. In addition, SiC has a high thermal conductivity at elevated temperatures and is resistant to acids and alkalis.

29. For applications in the electronics industry, the current-carrying capacity and thermal conductivity of CNTs are particularly interesting.

30. The Measurer can also complete the automatic control of measuring condition and get the data of thermal conductivity immediately.

31. The calibration methods included thermal conductivity, the flame-ionization detector (after conversion of CO2 into methane) and infrared absorption.

32. The Calorimeter is a small container made of a metal, such as gold or copper, with good thermal conductivity

33. Whether the presence of Adsorbates increases or decreases thermal conductivity in metal-organic frameworks (MOFs) has been an open question

34. Whether the presence of Adsorbates increases or decreases thermal conductivity in metal-organic frameworks (MOFs) has been an open question

35. In order to be useful for the desired application, they had to overcome current barriers in thermal conductivity and absorption resistance.

36. 22 In fact, at room temperature a diamond has a thermal conductivity about six times higher than a piece of copper.

37. The Axal thermal conductivity (in the fibre direction) of each lamina is satisfactorily predicted by a simple rule of mixtures Chawla

38. A Combustibility tester consisting of a block of aluminum alloy or other corrosion-resistant metal of high thermal conductivity is used

39. An adiabatic calorimeter suitable for specific heat measurement of solids and liquids of poor thermal conductivity for the temperature range −80...

40. Iron Borides include properties typical of ceramics such as high hardness, and properties of metal, such as thermal conductivity and electrical conductivity

41. The relatively static lattice in a diamond ensures that the scattering is at a minimum and the thermal conductivity is exceptionally good.

42. 2 At room temperature, the thermal conductivity of a diamond is about six times higher than that of a piece of copper.

43. Argon is also used in technical scuba diving to inflate a dry suit because it is inert and has low thermal conductivity.

44. Little wonder, for low temperatures coupled with the high thermal conductivity of the waters can chill an unprotected diver into insensitivity in minutes.

45. The mystery behind walking on hot Coals and why it works can be understood by examining a physical property known as thermal conductivity

46. 14 The relatively static lattice in a diamond ensures that the scattering is at a minimum and the thermal conductivity is exceptionally good.

47. The material of the Cylindrical shell is T300/914 carbon fiber epoxy composite, the material has good heat resistance and low thermal conductivity [14].

48. Extracted as a by-product of lead, tin, silver and copper, Bismuth has a low thermal conductivity and is both stable and non-toxic.

49. Theoretical expressions for Johnson noise and thermal noise in Bolometers are considered, and optimization with respect to thermal conductivity and bias power is performed

50. The amplitude and the phase shift of the thermal waves depend on the thermal diffusivity “a” and the thermal conductivity “λ” of the sample.

51. Complementary measurement techniques allow the determination of material properties like density, thermal conductivity, heat capacity and thermal expansion at different levels of the ablation process.

52. A transient method with rectangular pulse heating has been developed to measure the specific heat and thermal conductivity of solid structural materials at low temperatures.

53. Beryllium is widely used in the aerospace sector as an alloying agent in structural metals because of its high thermal stability, thermal conductivity, and low density

54. Among the classes of Aerogels, silica aerogel exhibits the most remarkable physical properties, possessing lower density, thermal conductivity, refractive index, and dielectric constant than any solids

55. Borides Borides play an important role in the process of steel hardening and show a good resistance to oxidation, an excellent resistance to corrosion and good thermal conductivity

56. Further, the gold alloy wire increases dispersion of fine additive agents, improves electric conductivity and thermal conductivity, and enables automatic, high speed bonding having a less junction loop height.

57. Aerogel is a highly effective heat-insulating material with an ultra-low thermal conductivity of 0.016 W / (m·K) and application temperature from -250ºС to + 1200ºС

58. Aluminum definition is - a silver-white metallic chemical element with atomic number 13 that has good electrical and thermal conductivity, high reflectivity, and resistance to oxidation —often used before another noun

59. Moreover, the thermal conductivity of the same material as the ingot mold has been precisely measured in apparatus which is based on a method of direct electrical heating in the sample. The ...

60. Rigid polyurethane foams-based research derives from the need of change of their properties, such as physical (density, water uptake, dimensional stability, and Combustibility), mechanical (compressive strength and brittleness), and electric ones (thermal conductivity).

61. The present invention relates to a surface-treated steel plate and to a production method for same, and more specifically relates to a surface-treated steel plate having outstanding corrosion resistance and thermal conductivity.

62. The evaporation source consists of the actual sputter target, which comprises an aluminium component and one or more additional components and of a back plate of a material with greater thermal conductivity than the target.

63. Brasses are a range of cast and wrought copper alloys made up of copper and zinc, with differing combinations of properties, including strength, machinability, ductility, wear-resistance, hardness, colour, electrical and thermal conductivity, and corrosion resistance.

64. Aerogel is a perforated material that has been applied to eliminate various pollutants due to high surface area, lower thermal conductivity, and excellent adsorption yield [69].Schematic representation of the Aerogel synthesis is shown in Fig

65. To utilize the minute electronic specific heat and thermal conductivity of graphene, we develop a superconductor-graphene-superconductor Josephson junction 8-13 Bolometer embedded in a microwave resonator with a resonance frequency of 7.9 gigahertz and over 99 …

66. The analysis of the experimental results shows that the thermal conductivity is governed by two scattering processes: the acoustical mismatch of both crystal halves and the resonant scattering of the phonons by impurity atoms of the grain boundary.

67. Is that copper is (lb) a reddish-brown, malleable, ductile metallic element with high electrical and thermal conductivity, symbol cu, and atomic number 29 or copper can be (slanglaw enforcement) a police officer while Cupronickel is an alloy of copper containing from 10 to 40% nickel

68. In the region of a first connection (A1), a tripping device (AE) with good thermal conductivity is applied by means of a first phase-changing material (PCM II), wherein the tripping device (AE) is under prestress (F), wherein, when the temperature of the first phase-changing material rises above a first specified temperature (Tswitch, PCM II), the first phase-changing material (PCM II) softens and therefore releases the tripping device so that separation or short-circuiting of the surge protection device (ÜSE) is effected by means of the prestress (F).

69. The invention relates to a circuit breaker comprising two contact elements (2a, 2b, 2c, 2d, 2e, 2f), which at their ends pointing at each other are connected to at least one contact member (8a, 8b) each, wherein the contact elements (2a, 2b, 2c, 2d, 2e, 2f) are mobile relative to one another such that the respective contact members (8a, 8b) can be brought in contact with one another, wherein at least one of the contact elements (2a, 2b, 2c, 2d, 2e, 2f) is at least partially made of a carbon fiber material (3a, 3b, 3c, 3d, 3e, 3f), which at a temperature of 20 degrees Celsius has a thermal conductivity of more than 400 W/m-K, at least in one direction.