light-off是什么意思_light-off怎么读_light-off的用法_翻译_短语搭配_权威例句

同近义词

• v.点火；启动

  light the fire   /   burst into flame

词组短语

1. engine light-off 发动机熄火

2. light off 点火 ; 关灯 ; 轻掉 ; 灯灭了

3. Turn the light off 关上灯

4. Light Off One Hour 关灯一小时

5. light-off characteristics 起燃特性的

6. light-off time limit timer 限时点燃定时器

7. light-off mode 点火方式

8. light-off detector 点火侦测器 ; 熄火探测器

权威例句

1. A three-way catalyst including Pd is evaluated using test method and its light-off course is simulated.

对一种含Pd的三效催化剂进行实验室评估，并模拟了此催化剂的起燃过程。

2. However using light to find one's own way around requires vastly more energy, since the eyes have to detect the tiny fraction of the light that bounces off each part of the scene.

然而，利用光来找到自己的方向极大地需要更多的能量，因为眼睛必须检测从场景的每个部分反射的光的极小部分。

3. Controlling micro-structure of rate-earth mixed oxide and zeolite makes WFEC DOC possess excellent low temperature light-off performance with quite low PGM loading.

通过控制稀土材料、分子筛微观结构，使DOC以较低贵金属用量达到具有良好的低温活性。

4. The room is bright enough now, please turn the light off.

屋里现在够亮了, 请把灯关掉.《辞典例句》

5. The Impacts of Differences Between C_3H_6 and C_3H_8 to the Catalytic light-off Performance of Pt-Rh Type Automotive Catalyst

C3H6和C3H8的性质差异对Pt&Rh型汽车排气催化剂起燃特性的影响

6. According to the experience of major companies in Europe and USA, general single light-off technology and HC trapping catalytic technology can be suitable solutions.

根据欧美各大公司对汽车冷起动排放控制的实践来看，一般单独的快速起燃技术和HC捕集催化技术就可以胜任。

7. Lock door, close window, turn light off, close eyes, what's gone away?

锁了门, 关了窗, 熄了灯, 闭了眼, 什么正在走掉?《互联网》

8. Changes in the ions'vibration rate were measured by bouncing laser light off them.

依靠离子反弹的激光,离子振动频率的变化就能被测量出来.《互联网》

9. Catalytic converter; Fast aging test; light-off temperature; Converter efficiency;

催化转化器；快速老化试验；起燃温度；转化率；

10. Many of the electronic devices we use every day, like our phones and computer screens, give off blue light.

我们每天使用的许多电子设备，比如手机和电脑屏幕，都会发出蓝光。

11. I shook my shyness off and my body felt as light as a feather.

我摆脱了羞涩，感觉身体轻如鸿毛。

12. Your arms and legs need protection from light bouncing off glass.

你的双臂和双腿需要保护，免受玻璃反射光的照射。《柯林斯英汉双解大词典》

13. Influence of gas flow uniformity on catalyst light-off characteristics in automotive catalytic converter

汽车尾气催化转化器内流动均匀性对起燃特性的影响

14. If the light flashed on and off several times, the dolphins were supposed to press the left-hand lever followed by the right-hand one.

如果灯亮了又灭了好几次，海豚就应该先按左手的杠杆，再按右手的杠杆。

15. The exhaust gas temperatures rise and variation during EUIII test cycle and its impact on the light-off time, ceramic temperature, dynamic response behavior and emission results were studied.

试验研究了摩托车在EUIII测试循环工况下的排气温度变化，以及对于两种氧传感器起燃时间、陶瓷体温度变化、动态响应特性和排放的影响。

16. Turn off the light!

把那灯关了！

17. Turn your reading light off when taking off or landing at night. Your eyes will be more adjusted to the dark if you have to leave the plane in a hurry.

如果你不得不匆忙地离开飞机，在晚上起飞或着陆时关掉你的阅读灯，这会使你的眼睛更适应黑暗。

18. Besides, the product purity also can be raised through controlling the feed rate of the light-off tower, or adding nitrogen in the top of light-off tower.

此外，控制脱轻塔的进料量和在脱轻塔顶加入氮气进行吹扫也能解决产品质量不达标的问题。

19. These lights should give off as little blue light as possible.

这些灯应该尽量避免发出蓝光。

20. Will you switch the light off?

你把灯关掉好 吗 ?《互联网》

21. On the edge of the jacket, there is a piece of cloth that gives off light in the dark.

夹克边缘的一块布料可以在黑暗时发光。

22. Air/ Fuel ratio property, light-off temperature property and light-off time property tested on bench before and after the fast aging are described in this paper.

文中报道了研究的试验装置，快速老化模式以及老化前后空燃比、起燃温度、起燃时间等特性的台架试验结果。

23. The effects of converter position, ignition timing and idle speed on catalytic converter light-off behavior were studied on an electronically controlled LPG injection engine.

研究了电控LPG发动机的催化转化器安装位置、点火提前角和怠速转速对催化转化器快速起燃的影响。

24. He puts out his hand to turn off the light.

他伸手去关灯。《新英汉大辞典》

25. The light is on. When you leave, please turn it off.

灯亮着。当你离开时，请把它关掉。

26. She reached over and flipped off the light.

她伸过手去关掉了灯。《牛津词典》

27. Switch the light off.

把灯关掉.《互联网》

28. He fell asleep with the light off.

灯关掉的状态下，他睡熟了。

29. You don't need a light switch or a light bulb or an iPhone app to turn something on or off.

你不需要电灯开关、灯泡或苹果手机应用程序来打开或关闭某些东西。

30. Influences of different combinations and distributions of the three precious metals on the catalysts characteristics were studied by contrasting and analyzing the performances of ratios of air to fuel ( A/ F), light-off temperatures and catalytic conversions of the catalysts.

通过对表征催化剂催化性能的空燃比特性、起燃特性和催化转化效率的对比分析，研究了3种贵金属的组合与分布对催化剂3大特性的影响。

31. A comparative analysis is carried out between common light-off temperature meth-od and uncommon light-off ties method for evaluating the light-off performance.

对起燃特性评价试验中常用的起燃温度法和不常用的起燃时间法进行了对比分析。

32. Turn the light off as you go out.; Please switch off the lights when you leave.

出门时请随手关灯。《新英汉大辞典》

33. A Study on Vehicle Emission performance on Road Based on Light-off Temperature of Catalytic Converter

基于催化转化器起燃温度特性的道路车辆排放性能研究

34. Flow velocity distributing in monolith gives great effect on transform efficiency and light-off character and life of catalytic converter.

载体的流速分布对催化转化器的使用效率、起燃特性和寿命都有很重要的影响；

35. Very rarely will an Englishman try to anticipate the green light by moving off prematurely.

很少有英国人会试图提前离开，以预测绿灯的到来。

36. The result shows the change of its temperature field and concentration field in light-off course.

模拟结果显示了起燃过程中催化转化器载体温度场以及气体浓度场的变化。

37. Please join us to light off firecrackers.

让我们一起来燃放爆竹除旧岁.《互联网》

38. Study on Light-off Characteristics of Two Stage Three Way Catalytic Converter during Cold Start Period

两级式三效催化器冷起动起燃特性研究

39. Study on Light-off Characteristics of a Small LPG Engine with Three-Way Catalyst

小型LPG发动机匹配三效催化器的起燃特性研究

40. We keep on talking until the light is off.

我们一直聊到灯熄灭了。

41. She had often carried test tubes containing radioactive isotopes in her pocket, remarking on the pretty blue-green light they gave off.

她经常把装有放射性同位素的试管放在口袋里，对试管里发出的漂亮的蓝绿光赞不绝口。

42. Sometimes even a light touch on the face is enough to trigger off this pain.

有时甚至在脸上轻摸一下也足以引发这种痛苦。《柯林斯英汉双解大词典》

43. Turn off the light, Frank. It saves electricity.

把灯关了，弗兰克。这样可以省电。

44. As he pulled into the driveway, he saw her bedroom light was off.

当他驶入车道时,他看见她卧室的灯关着。《柯林斯英汉双解大词典》

45. The traditional catalysts in the presence of HC low temperature processing ability is poor, light-off temperature higher.

传统催化剂存在HC低温处理能力差，起活温度高等瓶颈问题。

46. It may effectively reduce the HC emissions to use a catalyst with low light-off temperature, close-coupled catalyst, HC traps, second air injection and electrically heated catalyst.

采用如低起燃温度催化剂、密耦催化剂、HC捕集器、二次空气注入和电加热催化剂等在内的排气后处理技术，可以有效地减少污染物尤其是HC的排放。

47. Kate, don't forget to turn off the light when you leave the room.

凯特，你离开房间时别忘了关灯。

48. The experiment results indicate that the light-off temperature of catalytic converter with deflector is lower than that of the conventional structure catalytic converter, the pressure loss of both catalytic converter are similar.

试验结果表明，有弥散器的催化转化器起燃温度低于常规结构催化转化器的起燃温度；

49. And, finally, the value of conduction coefficient and wall thickness of the monolith almost have no obvious effect on the light-off temperature.

载体导热系数和壁厚的大小对起燃温度几乎没有影响。

50. Numerical simulation of light-off temperature for automotive catalytic converter

车用催化转化器起燃温度的数值模拟

51. Experimental results show that the position of the converter nearer to the exhaust port, the retard ignition timing and the higher idle speed can promote the catalytic converter light-off.

试验结果表明，催化转化器的位置距排气口近可提高排气温度，大大提高催化转化器的转化效率；推迟点火提前角和提高怠速转速均有利于使催化转化器进入快速起燃状态。

52. This article introduces catalytic activities of TWC catalysts that contain different proportion of Pd/ Pt/ Rh, including A/ F and light-off temperature characteristics on fresh and aged catalyst ( 1100 ℃, 50 h), and analyze and compare experimental data.

本文介绍了不同Pd，Pt，Rh配比催化剂的性能，包括新鲜的和1100℃，50h老化后的空燃比特性和起燃温度特性，并对实验结果进行比较和分析。

53. Mario. Will you switch the kitchen light off?

马里奥, 你把厨房的灯关掉好 吗 ?《互联网》

54. In the evening after light - off, roommates begin to brew Morpheus, the dormitory a hush.

晚上熄灯后, 室友们就开始酝酿睡眠了, 寝室一片寂静.《互联网》

55. Some very important discoveries have been made by this technology, especially you consider that some objects in space give off radio waves but don't emit any light.

运用这项技术后，已取得了一些非常重要的发现，尤其是考虑到太空中的一些物体会发出无线电波，但不会发出任何光。

56. Please put the light off!

请把那盏灯关了!《互联网》

57. In view of the high light-off temperature and short service life of alum catalyst made in China which is used in the production of sulfuric acid, the development of cesium catalyst using cesium salt as solubility promoter and cerium salt as additive is proposed.

针对国产的硫酸生产用钒催化剂起燃温度高、使用寿命短，提出以铯盐为助溶剂、铈盐为添加剂，研制了铯催化剂。

58. It's bedtime. Let's turn off the light.

到就寝时间了。我们关灯吧。

59. Reflection of light off the building temporarily blinded him and caused him to crash his car.

从大楼反射的光线使他暂时失明并导致他撞车.《互联网》

60. He forgot turning the light off.

他忘记他已经关了灯了.《互联网》

61. Turn the light off, please.

请把灯关上.《简明英汉词典》

62. Switch the kitchen light off.

把厨房的灯关掉.《互联网》

63. He was convicted of assaulting a police officer but he got off with a light sentence.

他被定了个殴打警察罪，然而却得到从轻判处。《牛津词典》

64. In order to meet the increasingly stringent automotive emission standards, the catalytic converter not only has high conversion efficiency and a long durability but also has low light-off temperature and good flow features.

为了满足日趋严厉的排放法规，催化转化器不但要有高的转化效率和长的使用寿命，而且要有良好的起燃特性和流动特性。

65. Please join us to light off firecrackers.

让我们一起来燃放爆竹除旧岁。

66. Automotive emission; Catalytic converter Light-off performance;

汽车排放；催化转化器；起燃特性；

67. Fireflies give off flashes of light when they fly at night.

萤火虫夜间飞行时发出闪光。《新英汉大辞典》

68. The light - off performance of automotive catalytic converters is very important for the stringent vehicle emission regulation.

车用催化转化器的起燃特性对满足日益严格的排放法规是至关重要的.《互联网》

69. Basically the light bouncing off all these objects close to earth is brighter than what's coming from the stars.

大体上，所有靠近地球的这些物体所反射的光都比来自恒星的要亮。

70. Because of the way light reflects off the organisms, these phytoplankton create colourful patterns at the ocean surface.

由于光在这些浮游生物身上产生反射，它们在海洋表面形成了五颜六色的图案。

71. Installing occupancy sensor switches saves energy by never having to remember to turn the light off.

安装感应开关让人们不再会忘记了关灯,从而节约了能源.《互联网》

72. Living in a glare of our making, we have cut ourselves off from the light of the stars.

我们生活在自己制造的强光下，却把自己与星光隔开。

73. In this paper, the light-off and space velocity characteristics of lean NO_x diesel catalyst with ethanol as the additive were evaluated on engine test bench and the adaptability of this catalyst to the Euro III Standard ( ESC) was also tested.

在发动机台架上对乙醇作为还原添加剂的柴油机稀燃NOx催化剂进行了起燃特性和空速特性的性能评价，并考察了该催化剂对欧III排放法规的适应性。

74. Experimental study on catalytic converter fast light-off of electronically controlled LPG fuel injection engine

电控LPG发动机催化转化器快速起燃的试验研究

75. The studies on automotive catalytic converter, including reaction kinetics, heat and mass transfer, gas distribution, transient behavior, deactivation, modeling, design, fast light-off and low emission techniques, were reviewed.

综述了近30年来国内外在汽车催化转化器方面的研究概况，包括化学反应动力学、传热传质、气体流动、催化器暂态行为、失效、模型、设计、快速起燃和低排放技术等。

实用例句

1. Executives also said they would show off a 55in OLED (organic light-emitting diode) display that could show two different shows full-screen at the same time.

BBC: CES 2013: Samsung simplifies its smart TV experience

2. Once a light station that marked the shoals off the coast of Southport, North Carolina, for ships, the two-story Frying Pan Shoals Light Station now houses a bed-and-breakfast perched on a platform 32 miles off the coast of Cape Fear.

CNN: 5 intriguing Southern summer escapes

3. The telescope gathers and focuses electromagnetic radiation (usually, but not always, visible light) to make far-off objects seem brighter and closer.

FORBES

4. The image - of the shadow cast by the Moon as it blocks the light and particles - was shown off at a meeting of the American Physical Society.

BBC: Hawc gamma-ray telescope captures its first image

5. She saw that as Knafelc recounted the incident on the tracks, "I could see the light go off, the a-ha moment" when he realized that after he was helped by many people in his past, he was able to finally help someone else in return.

NPR: Philadelphian Jumps On Tracks To Help Fallen Man

6. When in 1883 Mrs Cornelius Vanderbilt, arrayed for a fancy-dress ball as Electric Light, topped off her satin and diamonds with a large incandescent bulb, it subtracted nothing from the elegance of the scheme.

ECONOMIST: Going out all over Europe, and beyond

7. Just as the CFL light bulb market is poised to take off in a bigger way than ever, bulbs that tap rival light-emitting-diode technology, potentially even cheaper than CFL, are on the rise.

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8. In our tests, exposure was spot on and low-light performance was spectacular -- white balance, despite being usually accurate, was sometimes off when snapping photos in artificial light (like under fluorescents).

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9. These slightly deeper quartz grooves result in light-wave phases that are slightly off-kilter from the light waves that pass through shallower grooves.

FORBES: Trick of the Light

10. Conventional wisdom says the market has been pricing in massive quantitative easing since the Jackson Hole Fed retreat, and the upcoming announcement, if it comes in light of expectations, could trigger a strong sell-off.

FORBES: Helicopters Throwing Fewer Dollars Is A Good Thing

11. The high-intensity light can dazzle pilots during take-off and landing when shone at aircraft.

BBC: Laser pens 'threaten Gatwick passenger safety'

12. The 60W is the latest old-fashioned light bulb to be switched off in favour of the fluorescent lamps, energy-saving halogen bulbs and LED lights.

BBC: The 60W bulb: A luminary love affair

13. But Noble quit to join Capital's rival, Heart FM, claiming their partnership off-air was less light-hearted.

BBC: Tarrant: TV's Mr Millionaire

14. Off-campus housing gets the green light, provided rent and food don't surpass the estimated off-campus expenses published by the university.

WSJ: What Counts as a Qualified 529-Plan Expense?

15. Then he discovered a new Japanese method of cutting diamonds: When viewed under a low-magnification (3x) lens, the stone refracted light in such a way as to give off a pattern of eight heart-shaped sparkles at the bottom of the diamond and eight arrow-shaped fire-bursts through the top--hence the name "hearts-and-arrows" diamonds.

FORBES: Stones on fire

16. With Eclipse Aviation test pilot Terry Tomeny sitting in the right seat, I flew the newly certified Eclipse 500--the pioneer in a new category of "very light jets"--off Albuquerque International Sunport's runway 8.

FORBES: Magazine Article

17. The biggest stories will be shaped, over months and years, by this new landscape of brand and startup collisions: the deals that get struck, the light-bulbs that go off, and the relationships that form at SXSW but last far beyond it.

FORBES: SXSW Will Become the Largest Marketplace for Brands And Startups: The Revolution Begins Now

18. He is very principled, but he pulls it off because of his rather light-hearted way of sometimes appearing in public.

CENTERFORSECURITYPOLICY: Center For Security Policy

19. Even something too small to emit visible light will probably give off radio waves and infra-red radiation (Jupiter does).

ECONOMIST: X marks the spot

20. Ask for a harbour mountain-view room and you can watch seaplanes take off from Coal Harbour or see the first streaks of light hit the snow-capped North Shore mountains as you sip your morning coffee.

BBC: Business trip: Vancouver

21. It is also difficult to maintain consistent outputs from the different LEDs so light from the devices tends to drift into off-white hues.

ECONOMIST: Lighting: A brilliant new approach | The

22. Soon after a light sell-off began, more pressure was added to the euro when the European Central Bank (ECB) reported that M3 Money Supply remained steady at 0.2% growth.

FORBES: Greenback Gives Ground, Loonie Lurks Higher

23. About 60 to 200 miles overhead, the particles bump into the Earth's atmosphere and become electrically "excited" -- throwing off light of various colors, said Prof.

CNN: 'Dancing lights' draw thousands to frozen north

24. While the royal party have lunch at Castle College in Stornoway, we pile into a nine-seater light aircraft and set off with a carrier bag of ham and chicken sandwiches.

BBC: Jubilee tour diary: Western Isles

25. Considered the world's most advanced sun-powered plane, the Solar Impulse took off from Moffett Field in Mountain View at first light for a two-hour practice run in advance of a planned multi-city, cross-country tour.

WSJ: Sun-powered plane completes California test flight

26. In that light, capitalism bravely fought-off the competing system of communism.

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27. The company said it was pressing ahead with the sell-off as they were non-core assets which no longer fitted within its light oil-focused portfolio.

BBC: Oil firm Tullow sells North Sea gas assets

28. The Vietnamese government itself recently estimated that light-fingered bureaucrats cream off at least 20% of infrastructure spending.

ECONOMIST: The issue that could undermine the government

29. The nastiest-looking arteries might be stabilized with some form of local therapy, such as drug-coated stents, light-activated drugs to kill off inflamed cells or even gene therapy.

FORBES: Peeking at Plaque

30. Ms. Adelman (who employed Ms. Brittain until last year) is known for chandeliers with handblown glass volumes projecting from spare, branchlike arms, as well as her You Make It series of DIY light fixtures built from off-the-shelf parts.

WSJ: The New American Minimalism