紫外線；[光] 紫外線照射
Ultraviolet radiation causes skin cancer including malignant melanoma, a form of the disease that can be fatal and other health problems.
紫外線輻射會引起包括惡性黑素瘤——一種緻命的疾病在内的皮膚癌和其他健康問題。
If your skin in itself appears bronze-coloured with ultraviolet radiation, you can see the change of colour after you use the machine for the first time.
隻要您的皮膚在接受紫外線照射後能顯現出古銅色，您可在使用設備一次後就能看到膚色的改變。
Ultraviolet radiation and other hazards would most likely lock life away beneath the surface of the Red Planet, he notes.
他指出，紫外輻射和其他危害很可能将生命封鎖在那顆紅色行星的表面以下。
Scientists believe the sunburns are due to increasing levels of ultraviolet radiation resulting from the thinning ozone layer.
科學家們相信灼傷是因為臭氧層變薄，緻使紫外線輻射等級增加而引起的。
The layer normally absorbs 95 to 99.9 percent of the ultraviolet radiation from the sun, protecting life on Earth from this biologically damaging form of energy.
臭氧層通常能吸收95％-99．9％的來自太陽輻射的紫外線，保護地球上的生命免受這種形式的能量的生物性損害。
We developed the ground VUV simulation facility for the research of vacuum ultraviolet irradiation and the compound effect of vacuum ultraviolet radiation with other space environments.
為開展真空紫外輻射及真空紫外線與其它空間環境複合效應的地面模拟實驗，研制了真空輻照模拟設備。
We predict that whales will experience more severe sun damage if ultraviolet radiation continues to increase.
如果紫外線輻射繼續加強的話，我們預計鲸魚将遭受更嚴重的曬傷。
The dramatic false-color image also highlights the contributions of hydrogen, sulfur, and oxygen, energized by intense ultraviolet radiation, to the nebular glow.
這張生動的假色影像還突出了氫，硫和氧元素的作用，在強紫外線輻射下，星雲發出熾熱的光芒。
Medicines and cosmetic make skin more allergic to ultraviolet radiation, so don't suntan in the period of taking medicines or after makeup.
藥物和化妝品會使皮膚對紫外線輻射更加敏感，因此在服藥期間或化妝後，不宜進行日光浴；
Lowmaternal exposure to ultraviolet radiation in pregnancy, month of birth, and risk of multiple sclerosis in offspring: longitudinal analysis.
母親孕期暴露于小劑量紫外線輻射、分娩月份和後代多發性硬化的風險：縱向研究。
Piperine was particularly effective when combined with phototherapy treatment using ultraviolet radiation, the researchers said in a study to be published in the British Journal of Dermatology.
研究人員在英國皮膚病雜志上發表的一篇文章中稱，胡椒堿的這種作用在聯合紫外線照射的光照療法時效果尤好。
Photochemical smog: Smog produced by action of solar radiation, especially of ultraviolet radiation, on exhausts from vehicles and industry.
太陽輻射，尤其是紫外線輻射對汽車和工業所排放的廢氣産生光化作用而形成的煙霧。
Objective:To investigate the apoptotic rate of murine B16 melanoma cells induced by ultraviolet radiation(UV).
目的：研究紫外線照射對小鼠B16黑色素瘤細胞凋亡率的影響。
Ultraviolet radiation is harmful to health. This article introduces the testing methods of textile ultraviolet protection and the attentive problems in testing.
紫外線輻射對人體有一定危害。介紹了紡織品紫外線防護性能的測試方法和測試中應注意的問題。
The characters of ultraviolet radiation in Nanning city are discussed, its relation with global radiation and cloudage is also analyzed.
文章分析了南甯市紫外線輻射的變化特征及其與太陽總輻射和雲量的關系。
Our use of ozone-depleting substances such as chlorofluorocarbons (CFCs) had torn a hole in the ozone layer that protects us from the sun's harmful ultraviolet radiation.
我們使用的氯氟化碳等臭氧消耗物質将保護我們免受有害的太陽紫外線輻射的臭氧層撕裂出一個空洞。
The ozone layer is a thin region of the upper stratosphere which protects us from ultraviolet radiation.
臭氧層是對平流層的保護上，從我們的薄紫外線輻射地區。
The researchers believe that the sunburns will worsen over time, due to increased ultraviolet radiation exposure.
研究人員相信灼傷會因為紫外線照射的暴露，隨着時間而惡化。
Be able to resist climate ageing and chemic-corrosion, resist ultraviolet radiation and polluted circumstance.
耐氣候老化和化學腐蝕，抗戶外紫外線照射和環境污染；
Ultraviolet radiation may also damage marine life by killing one- celled plants called phytoplankton, which form the base of the ocean's food chain.
紫外線輻射還可以通過殺死單細胞的浮遊植物來破壞海洋生命，這種浮遊植物是構成海洋食物鍊的基礎。
However, this year's ozone hole over Antarctica is more stable and likely to last longer than year's and spread more harmful ultraviolet radiation over the southern hemisphere.
但是，這一年的南極臭氧空洞更加穩定，而且有可能持續更長時間，因而南半球要承受更加強烈的紫外線有害輻射。
This pa- per is of value to prevent road asphalt early aging research in the northwest intensive ultraviolet radiation region of China.
這對于西部強紫外線輻射地區研究防止瀝青路面過早老化和損害有着積極的意義。
More children to outdoor activities, to accept ultraviolet radiation, and enhance children's absorption of calcium.
多帶孩子到戶外活動，接受紫外線照射，增強孩子對鈣的吸收。
Explosions of the sunspots result in stronger ultraviolet radiation.
太陽黑子的爆炸性增強了紫外線的輻射。
And the influence of temperature, ultraviolet radiation on color durability is stu***d dominantly through an indoor simulation test.
通過室内模拟試驗重點研究了溫度、紫外線輻射對色彩耐久性的影響。
|ultraviolet light/vitalight;[光]紫外線；紫外線照射
紫外線輻射（Ultraviolet Radiation，簡稱UV）是電磁波譜中介于可見光與X射線之間的不可見光輻射，其波長範圍為10納米至400納米。根據國際非電離輻射防護委員會（ICNIRP）的分類标準，紫外線可進一步分為UVA（315-400 nm）、UVB（280-315 nm）和UVC（100-280 nm）三個波段。太陽是主要自然來源，其中UVC被地球臭氧層完全吸收，而UVA和UVB可到達地表。
紫外線輻射具有雙重生物效應：適度接觸UVB可促進皮膚合成維生素D，對骨骼健康至關重要（美國國家生物技術信息中心，NCBI）；但過量暴露會導緻DNA損傷，引發皮膚癌變（世界衛生組織數據）。美國皮膚病學會建議采取防護措施，如使用SPF30+防曬霜、穿戴寬檐帽和紫外線防護服。
工業領域利用紫外線特性開發出多種應用技術，包括水處理消毒（美國環境保護署認證UVC殺菌效率）、熒光檢測和光固化工藝等。氣象監測中紫外線指數預報系統由世界氣象組織與WHO聯合開發，用于指導公衆合理安排戶外活動。
ultraviolet radiation（紫外線輻射）是電磁波譜中介于可見光與X射線之間的輻射類型，具體解釋如下：
基本定義與波長範圍
ultraviolet radiation指波長在100-400納米之間的電磁波。其波長比可見光短，但比X射線長，屬于不可見光。
分類與特性
根據波長可細分為：
主要來源與作用
自然來源主要為太陽光，人工來源包括紫外線燈、焊接電弧等。其作用涵蓋：
注意事項
過量接觸可能導緻皮膚癌、白内障等健康問題，需通過防曬霜、防護鏡等減少暴露。英文中常簡稱為UV radiation，同義詞包括ultraviolet light、UV等。
可通過權威詞典（如海詞詞典、新東方線上）獲取更詳細釋義與發音。
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