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单词 Insulator
例句
1. Few substances can equal fur as an insulator.
2. Wood is an excellent insulator.
3. Fat is an excellent insulator against the cold.
4. It could serve as a heat conductor or insulator, depending on how it was used.
5. The sand serves as natural insulator, and some of the more massive pieces take long to cool.
6. Springy and soft, wool is nature's best insulator.
7. Shellac also happened to be an effective electrical insulator.
8. Insulator should withstand power frequency voltage, switchingvoltage and lightning impulse voltage, shouldn't flashover under pollution.
9. A new method called sensitive insulator method is introduced in detail, which is developed on the basis of the distribution voltage method.
10. Our company mainly produce Post insulator, Pin insulator and Porcelain Bushing.
11. Its first use was as an insulator for high frequency cable (RADAR). Its main use is now for films, for packaging and agriculture.
12. The productuses 4 pairs, Insulation is HDPE insulator, and sheath is PVC.
13. Composite insulator has been widely used in high-voltage electric power transmission system because of its advantages in light weight, anti-pollution flashover and less routine maintenance.
14. Dust acting as a thermal insulator and impeding airflow, thereby reducing heat sink and fan performance.
15. The phylogeny of composite insulator is reviewed in the paper.
16. An insulator is a poor conductor because it has a high resistance to such flow.
17. Still embedded high on a rock is a tangle of telephone wires and a ceramic insulator.
18. Its chemical structure, for example,(Sentencedict) indicated that it should be a good electrical insulator.
19. A dozen suited men were fastening the edges of the insulator to the brace of the frame.
20. Take sulphur hexafluoride, a greenhouse gas used—among other things—as an insulator in some sorts of high-voltage equipment.
21. Triboelectric currents are generated by charges created between a conductor and an insulator due to friction.
22. To ensure operation of transmission line safely, the arcing gap of insulator was developed and installed, and arrester was installed one after another on anchor tower and high tower.
23. This paper elaborates theoretically the corona current characteristics of insulator strings under high voltage application and verifies them by experiment.
24. At absolute zero, a pure semiconductor has all of its electrons tightly bound and acts as an insulator.
25. The results shows severe field distortion at conductor and earthing top of insulator which stress is in more than 10 times higher than at central part due to effect of distributed capacitance of H.
26. When the nucleuses grow into NGH, the resistivity increases due to the NGH acts as an insulator, which decreases the ions connectivity. The resistivity becomes stable after the formation of mass NGH.
27. UltraCMOS mixed-signal process technology is a proprietary, patented variation of silicon-on insulator (SOI) technology on a sapphire substrate providing high yields and competitive costs.
28. Therefore, it has great significance to research DC icing test methods on disk-shaped suspension insulator for study of DC transmission line characteristics of external insulation.
29. A charge-coupled device in which the potential wells are created at the semiconductor insulator interface and the charge is transferred along that interface.
30. A loose mulch acts on the surface as an insulator.
1. Few substances can equal fur as an insulator.
31. The methods of ceramic cap and pin insulator monitoring such as spark gap detecting voltage distribution testing, insulation resistance measurement, aerosurveying and ground surveying were reviewed.
32. The DC insulation resistance (IR) is the ratio of the DC voltage applied between two conductors separated by an insulator to the total current flowing between the two conductors.
33. Even in an insulator the electrons can move about without leaving their parent atoms or molecules.
34. The icing disasters of transmission line such as line trip, break line, pole collapse, insulator flashover and communication interruption have resulted in huge economic lose of nation.
35. Transmission line regelation may cause conductor galloping, pole leaning or collapse, conductor breaking or insulator flashover etc.
36. High-voltage electric field combined with high temperature may lead to thermal breakdown and ageing of insulator for ESP.
37. Ice coating on overhead contact line not only will influence contact line's sag and pole capability, but will influence the flashover voltage of insulator.
38. The invention relates to a power track assembly technique, in particular to an insulator used for fixing a power track.
39. As both insulator and energy storage media, de-ionized water combines the advantages of high relative permittivity(is about 80), self repairability , low cost and ease of handling.
40. Three fabrication processes, including (i) wet etching, (ii) the selective epitaxial growth (SEG) on silicon wafers, and (iii) using silicon on insulator (SOI) wafers, were studied.
41. The combiner is fabricated on a silicon - on - insulator ( SOI ) substrate.
42. At present, there is no mature or reliable method for faulty insulator detecting in China or abroad, especially for live line work.
43. Separating the water curtain of the melting ice water is the measure and method of raising ice insulator flashover voltage.
44. Any two conductors separated by an insulator are said to form a capacitor.
45. The electrodes and the insulator separating them must withstand high temperatures, as well as an electric stress of up to several thousand volts.
46. Ceramic insulator provides stronger resistance against thermal shock, greater mechanic and electric strength and reliable insulation.
47. The phenolic resin took off first as a superior, easily moldable insulator against heat and electrical current(sentence dictionary), then as a key material in Art Deco design.
48. Furthermore, the effect of technics on the properties of the glass insulator also was studied.
49. Each pole is composed of three independent single poles and each single pole is composed of base, insulator supporter and conductive parts.
50. It is presented that the flashover voltage of parallel insulator is lower than that of single insulator, while the V type insulator's is almost the same as that of single one.
51. Most lighting along the railway may cause insulator flashover in catenary.
52. The feasibility of examining electrical porcelain insulator(EPI) with creeping wave probe was stu-(died, ) and a special test block was made for the experiment.
53. Triboelectric currents are generated by charges created by friction between a conductor and an insulator, such as between the conductor and the insulation of a coax cable.
54. With the development of national economy, promotion of power capacity and transmission voltage level, insulator flashover takes place frequently, which causes enormous economic losses.
55. Insulator rupture has no effect on tower component of upper crossarm, but it has significant influence on insulator tension of upper crossarm.
56. The glass insulator prevents any charge from leaking off the support and gold leaves.
57. The room temperature vulcanizing(RTV) silicone rubber coating on the surface of insulator may increase the flashover voltage of contaminated insulator.
58. The excitation spectrum is gapless in superfluid phase whereas there is a gap in the Mott insulator phase. The critical velocities which are nonzero are relation of the different spin component.
59. Manufacturers were starving for a better insulator that was easily moldable and inexpensive.
60. The experimental research is introduced in the tempered stresses of the toughened glass insulator with laser scattered light photoelasticity.
61. The maximal withstand voltage of single insulator for the middle string of single circuit tower is more than the side string.
62. Finally, based on insulator pollution Experimental Study at home and abroad, the author verified the simulation result, and obtained the Insulator choice law in designing power lines.
63. It is explained that porcelain and glass compound insulator has the advantages and shortcomings that porcelain and glass insulator have.
64. The measured results of electrical parameters and artifical polluted test prove that the insulator with this chemical absorbed film has better properties than with the physical absorbed layer.
65. The normal field model of surface charge accumulation at the gas - solid interface of insulator is analyzed.
66. Harmonic wave analysis method is the insulator medium consume factor on line method and discussed hte effect on the main factor of the medium consume on line supervision precision.
67. In this paper, space charge distribution in DC composite insulator FRP rod materials after negative DC high voltage application was measured by PEA method and the results were analyzed and discussed.
68. A novel analytical model for the thin film silicon on insulator (TFSOI) reduced surface field (RESURF) devices has been proposed.
69. To ensure operation of transmission line safely, the arcing gap of insulator was developed and install.
70. For the insulator investigated the 50 % flashover voltage is reduced by 23.4 %.
71. These experimental results indicated that several factors such as gas velocity, electrode erosion, insulator envelope pollution and so on limited the repetitive operating capability of the switches.
72. The peak tension in the conductor of the upper crossarm at the suspension point exceeds the design value under insulator rupture.
73. A special testing method for EAST Tokamak insulator is introduced.
74. The utility model provides an ultrasonic fault detection comparing test block for a high-voltage pillar porcelain insulator, consisting of a test block body and arc grooves.
75. Use the basic principle of the corona pulse current method, designed a convenience takes on-line monitor for the insulator string.
76. The ice flashover accident of transmission line insulator is harmful for transmission line safe operation.
77. In this paper( ), the characteristics of corona current with high voltage of a single insulator is studied in different methods.
78. The double-umbrella insulator has the advantages of improving the pollution-resistance performance of the insulator and increasing the creepage distance.
79. Waxes for Capacitor Encapsulation : Applied as encapsulation insulator for metalized capacitor such as self-healing type low voltage power capacitor , alternating motor startup capacitor.
80. The room temperature vulcanized (RTV) silicone rubber coating on the surface of insulator can incrcase the flashover voltage of insulators due to the migration of hydrophobicity of RTV coating.
81. The polarity of impulse voltage and the polarity of insulator surface electric charge can affect the corona initial time of insulator, the change time - interval and the corona current.
82. The atmosphere-side insulator incorporates therein a plurality of spring terminals held in electrical contact with the electrode terminals of the sensor element.
83. Usage: it is suitable for bar insulator to get adhesive binding.
84. The results show that the effect of the surface recombination on open-circuit voltage is dependent on the substrate doping and reduces with the increase of the charge in the insulator layer.
85. The FRP is an insulator to electricity, so it is good in safety.
86. Although the AC flashover performance of a polluted insulator has been studied well, there is few study on the valid coefficient of creepage distance of different types of insulators.
87. at absolute zero, a pure semiconductor has all of its electrons tightly bound and acts as an insulator.
88. So after glass insulator assembling It is important to check the product′s spacing.
89. How to discover the dangerous slight crack in early stage in labor pillar insulator and porcelain cover, is a problem of the overhaul in step-up station and substation.
90. We can make products according GB, IEC, AS, BS, ANSI, DIN standards. Our company mainly produce Post insulator, Pin insulator and Porcelain Bushing.
91. It appeared, at first sight, to be a lightning conductor, mounted on insulator through the roof.
92. The insulation characteristic of insulator in vacuum is researched in the process of the high voltage breakdown along the insulator surface in vacuum, which is called vacuum surface flashover.
93. The selection of the insulator applied for a power very low frequency transmitting antenna were studied.
94. AMD switched to silicon - on - insulator ( SOI ); Intel stayed with bulk silicon.
95. To shield the transgene from the affection of chromosomal position effect and improve its expression efficiency, another cHS4 insulator was inserted into the upstream of transgene cassette.
96. At absolute zero, a pure semiconductor has all of its electrons tightly bound and ACTS as an insulator.
97. Dry air is a good insulator, but sea water is not.
98. However, investigation shows that the leakage current is affected not only by the surface contamination of insulator but also by the environmental factors such as temperature, humidity, and so on.
99. We produce porcelain insulator, porcelain bushing, fuse cutout, lightning arrester and composite insulator.
100. A thermally excited cylinder of liquid is required, asymmetrically coated with a ceramic insulator.
101. At present, we have annual production capacity of passenger car carpet 50000 sets, insulator 100000 sets.
102. In addition, an amber is still the best insulator, wide range of application.
103. The cable core line (11) is put through an insulator (1) to be welded with an inner conductor (2).
104. Therefore, the deteriorated insulator and its position can be detected by analyzing the space axial electric field change of insulator string directly.
105. We can estimate whether there is faulty insulator and where by comparing the actual and the measured value of the distribution voltage.
106. At that time, I was fascinated with the metal - insulator transition as envisioned 7 by Mott.
107. In this paper measured data and curves obtained by testing full scale suspension insulator string and jumper wire in large wind tunnel are introduced.
108. Spark-gap length affects the energy of the spark, and the shape of the insulator affects the temperature of operation.
109. The partial discharge and surface charge on organic glass are easier been observed than those on polyethylene, and the organic glass insulator flashover voltage is lower.
110. Fix insulated copper tubular busbar on the steel framework directly and remove wall bushing and supporting insulator. It has strong vibration resistance.
111. A first terminal assembly is secured to the first insulator end.
112. The selection of the insulator applied for a large power very low frequency transmitting antenna were studied.
113. The atoms of an insulator hold their electrons very tight.
114. Its structure is the same as a conventional metal insulator semiconductor field effect transistor (MISFET) .
115. Selection of insulator type, number of insulator string and air space is the main basis of transmission line insulation coordination.
116. In a hot climate the condensation will be on the inner surface of the insulator.
117. Do not isolate , firing or iron Fir Pad to avoid damage the insulator of heating conductor.
118. It is possible to fabricate ISFET entirely using CMOS process. The gate structure of the ISFET is a multilayer, which consists of insulator, poly and metal. So it is called multilayer-gate.
119. The paper shape insulator is heat resistance coil paper or braid or stainless band.
120. The studies on the composition and glazing technique of the black glaze have been made on the basis of the properties of sparking plug insulator containing 95% Al2O3 in this paper.
121. The synthetic insulator can effectively improve the high-pressure side end voltage and the surface field distribution of the composite insulator.
122. The total creepage distance of an insulator shall be not less creepage distance requested by the pollution level for the site.
123. Experimentation in laboratory and on the spot proves reliability of the On-line Monitor for Insulator String.
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更新时间:2025/2/8 5:34:31