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单词 UV
释义

UV

英汉-汉英词典
  1. abbr. 紫外的(ultraviolet)
  2. 独立访客(unique visitor)
词组 | 习惯用语
uv light 紫外光;紫外线
uv radiation 紫外线;紫外辐射
uv detector 紫外检测器;紫外探测器
uv filter 保护镜;紫外滤镜;摄影术(等于ultraviolet filter);紫外线滤色器
英语例句库
  1. The applications thereof in UV curable coatings and photolitho inks are reviewed.
    综述了其在UV固化涂料和胶印油墨上的应用。
  2. Flavins are the chromophores and absorb in the blue and UV-A range.
    黄素可以吸收蓝光和紫外光-A,是生色团。
  3. The ketotifen fumarate in situ forming eye was prepared with carbopol as base,it was determined by UV.
    以卡波姆为基质制备凝胶,采用紫外分光度法测定含量。
  4. The pyrazoles ramification containing dithioether is synthesized by one-step method and characterized by H-NMR, IR and UV-Vis spectra.
    并采用氢核磁共振,红外光谱和紫外吸收光谱等手段进行了表征。
  5. The natural color super-corpuscule will soften the lines, sooth the tired look and prevent outside stimulations such as UV.
    自然色系的超微细粒子,柔化细纹,舒缓倦容,预防紫外线等外界的刺激。
  6. UV-B-induced cyclobutane pyrimidine dimmers (CPD) in the DNA of rice seedlings were measured using ELISA with specific monoclonal antibody.
    摘要采用单克隆抗ELISA检测了UV-B对水稻叶片CPD的诱导形成及温度的影响。
  7. Results showed that western lygus bugs, Lygus hesperus (Knight), were attracted to UV light traps in laboratory and greenhouse studies.
    结果显示紫外萤光在暗房中和紫光两极管在温室中对西方盲椿有吸引力。
  8. Chronic exposure to ultraviolet (UV) radiation may result in morphological and pathological changes of the skin, which is known as photoaging.
    皱纹是皮肤光老化的重要特点之一,临床上以皮肤粗糙,皱褶深大、不易平复为特征。
  9. The isomers dostribution of ortho-and para-toluenesulfonamide are successfully determined by high performance liquidchromatography (HPLC) . The results are compared with ultraviolet-spectroscopy (UV).
    本文采用高效液相色谱法(HPLC),成功地测定了邻、对甲苯磺酰胺的异构体分布,并用紫外光谱法(UV)作为对照的方法进行比较。
  10. In this paper,the contents of herbicide bifenox weredeterminated by the differential UV spectrophotometry at 280nm,and the reference solution was that the 40.
    本文采用差示紫外分光光度法,以40.0微克/毫升的甲羧除草醚己烷液为参比溶液,在波长280纳米处测定其含量。

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原声例句
BBC 听力 2014年3月合集

“we went under a power line, and someone said they give off UV.”

稍后,“我们从输电线下走过,有人说输电线会放射紫外线。”

双语版 TED-Ed 演讲精选

But under UV light, these strips really shine.

但是在紫外线下这些细线确实会发光。

连线杂志

UV keratitis is the fancy name for snow blindness.

紫外线角膜炎是雪盲的花哨叫法。

科学60秒 听力 2014年5月合集

Higher-wattage lamps emitted higher levels of harmful UV.

高功率的灯发射出高水平的有害外光。

科学洞察双语版

You need a lot of eumelanin to absorb UV rays.

你需要大量的真黑色素来吸收紫外线。

连线杂志

UV damage can occur on the eyeballs.

紫外线会对眼球造成伤害。

假如有如果

There would nothing protecting us from the sun's UV rays.

没有东西能阻挡我们受紫外线伤害。

Osmosis-肌骨

UV radiation isn't the only way to damage cells, though, right?

紫外辐射并不是导致细胞损伤的唯一方式。

科学60秒 听力 2014年5月合集

The researchers assumed an eight-minute UV exposure each time.

研究人员假设每次美甲进行8分钟的紫外光照射。

美食家基地

However, that comes with the need to protect ourselves against those UV rays.

然而,这是为了保护我们自己免受紫外线的伤害。

中文百科

紫外线 Ultraviolet

(重定向自UV)
哈勃望远镜以紫外线拍摄的木星极光
黑光灯萤光管,是一般长波紫外线的来源。
紫外线以不同的方法危害生物体的DNA。在一种常见的损害事件中,相邻的胸腺嘧啶彼此相接,而不是跨越「阶梯」。这种胸腺嘧啶二聚体会造成肿胀,扭曲了DNA造成分子不正常。
Lámpara fluorescente de luz ultravioleta. La radiación ultravioleta no es visible; sin embargo, muchas de las lámparas ultravioletas emiten marginalmente parte de su luz en la zona adyacente del espectro visible, con lo que se observan de un color violeta (véase Violetas espectrales).

紫外线Ultraviolet或简称UV)是波长比可见光短,但比X射线长的电磁辐射,波长范围在10纳米(nm)至400纳米,能量从3电子伏特(eV)至124电子伏特之间。它的名称是因为在光谱中电磁波频率比肉眼可见的紫色还要高而得名,又俗称紫外光。

虽然人的肉眼看不见紫外线,但紫外线却会造成晒伤的影响。紫外线还有其他的效应,对人类的健康既有益处也有害处。

紫外线出现在阳光中,并且也能在电弧和专门的灯中生成,例如水银灯,日晒灯和黑光灯。尽管紫外线的能量不足以将原子电离,它可以造成化学反应,并导致许多物质发光或产生萤光。大多数紫外光被归类为非电离辐射。能量较高的紫外线,大约在150纳米(真空紫外线)是电离的,但这种类型的紫外线不具穿透力,会被空气阻挡住。

英语百科

Ultraviolet 紫外线

(重定向自UV)
Portable ultraviolet lamp.UV light is also produced by electric arcs. Arc welders must wear eye protection and cover their skin to prevent photokeratitis and serious sunburn.
Levels of ozone at various altitudes and blocking of different bands of ultraviolet radiation. In essence, all UVC is blocked by diatomic oxygen (from 100–200 nm) or by ozone (triatomic oxygen) (200–280 nm) in the atmosphere. The ozone layer then blocks most UVB. Meanwhile, UVA is hardly affected by ozone and most of it reaches the ground. UVA makes up almost all of the ~ 25% of the Sun's total UV that penetrates the Earth's atmosphere.

Ultraviolet (UV) light is an electromagnetic radiation with a wavelength from 10 nm (30 PHz) to 380 nm (750 THz), shorter than that of visible light but longer than X-rays. UV radiation is present in sunlight, and also produced by electric arcs and specialized lights such as mercury-vapor lamps, tanning lamps, and black lights. Although lacking the energy to ionize atoms, long-wavelength ultraviolet radiation can cause chemical reactions, and causes many substances to glow or fluoresce. Consequently, biological effects of UV are greater than simple heating effects, and many practical applications of UV radiation derive from its interactions with organic molecules.

近义、反义、联想词
近义词
n.
actinic radiation, actinic ray

联想词
ultraviolet紫外的;IR信息检索;UVA长波紫外线;rays射线;irradiation发光;radiation辐射;SPF防晒系数;RF无线电频率;sunscreen遮光剂;infrared红外线;sunlight日光;
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更新时间:2025/6/17 15:03:14