uv a 中文意思是什麼

uv a 解釋
紫外線A,長波紫外線。

  • uv : UV = ultraviolet.
  • a : an 用在以母音音素開始的詞前〉 indefinite art 1 〈普通可數名詞第一次提到時,冠以不定冠詞主要表示類...
  1. Synthesis of a new type of uv curable tmaepoxy acrylic resin

    環氧丙烯酸酯樹脂的合成
  2. The company demonstrated 18 concept products at the exhibition, covering five main themes : " listen to your body, " " move your body, " " relax your body, " " relax your mind " and " share experiences. " the products included a faucet with a uv purifier and carbon filtration, and a bed lamp that both helps you wake up and improves your sleep

    展場中規劃了18項概念式產品,涵蓋聆聽身體、照護身體、舒展身體、身心放鬆和經驗分享等5大主題,如具備紫外線凈化、碳過濾功能的水龍頭,兼具喚醒、助眠作用的床頭燈等。
  3. Many organisms produce enzymes, termed photolyases, that specifically bind to these damage products and split the via a uv - a / blue light - dependent mechanism ( photoreactivation ), thereby reversing the damage. these two photolyase are specific for either cpds ( cpd photolyase ) or 6 - 4 products ( 6 - 4 photolyase ). a gene that expresses a protein with 6 - 4 photolyase activity in vitro, was recently cloned from high organisms ( arabidopsis thaliam, drosophila melanogaster, danio rerio, xenopus laevis and homo sapiens )

    目前已從高等生物擬南芥、鮐類、果蠅、人類和非洲爪蟾蜍屬中克隆到有( 6 - 4 )光裂合酶活性的基因,本研究從鹽生杜氏藻dunaliellasalina中克隆到( 6 - 4 )光裂合酶的基因,並將該基因在大腸桿菌中得以表達,這是首次在藻類中克隆到( 6 - 4 )光裂合酶基因,對光裂合酶的研究具有重要意義。
  4. This is so because climbing plants are likely to encounter intensive - changing environmental condition during their growth ( especially change of illumination ). secondly, there is a large proportion ( 30 - 40 % ) of climbing plants which belong to dioecism, and hence a gap between male and female plants on morphology, biological characteristic, economic value and so on. this dissertation focuses on herbaceous climbing plants, perennial or annual species such as dioecious trchosahthes kirilowii maxin and dioscorea opposita thumb, and monoecious luffa cylindrical ( l ) roem, it attempts to discover how climbing plants adapted to various environments and the mechanism of adaptation from aspects of physiological and reproductive ecologies at present, due to overuse of chlorofluorocarbons ( cfcs ), the ozonosphere has become thinner and thinner, and the ultraviolet - b ( uv - b ) radiation has increased considerably

    而攀援植物本身是一類理想的植物行為生態學研究材料:第一,攀緣植物由於受攀緣能力和支柱木資源的限制,在生長過程中通常要遇到強烈變化的環境條件(特別是光照) ;第二,攀緣植物中具有較高比例的雌雄異株類型,通常佔地區攀緣植物種類的30 40左右,不同性別的植物在形態學及生物學特性、經濟價值等方面存在一定的差距,因此,本文以雌雄異株攀緣植物栝樓( trchosahtheskirilowiimaxim ) (葫蘆科多年生草質藤本植物)和山藥( dioscoreaoppositathunb ) (薯蕷科薯蕷屬植物) 、雌雄同株異花攀緣植物絲瓜[ luffacylindrical ( l ) roem ] (葫蘆科一年生攀緣草本植物)為材料,試圖從生理生態學及生殖生態學角度揭示攀援植物如何適應不同生境及其機理。
  5. Studies of photoelectric property about nanocomposite oxide with sno2 and a - fe2o3 using sol - gel method we prepared nanocomposite oxide with sno2 and a - fe2o3, we analyzed it ' s property with xrd uv spectra surface photo voltage spectra ( sps ) and field induced surface photovoltage spectra ( fisps )

    一fez仇復合氧化物納米粒子,並用xrd 、紫外可見吸收光譜、表面光電壓譜( sps )以及場誘導表面光電壓譜( fisps )進行了分析和表徵。
  6. An ordinary fluorescent lamp positioned close to the reaction mixture suffices as a source of uv light.

    將普通的熒光燈置於反應混合液近旁,即足以作為紫外光光源。
  7. Some by - products of this work can be used as routine tools in the uv laser laboratory. commercial video ccd cameras are used to image uv laser and soft x rays, window glass as a fluorescer is used to indirectly measure the uv laser beam profile with high energy density, and a special glass which permits uv light to pass through while absorbs the visible, is introduced into the uv beam profiling in strong visible stray light environment

    實驗中發展了一些測量技術,例如用可見光視頻ccd直接測量紫外激光的光束分佈和激光等離子體產生的x光二維圖象,利用窗玻璃作為熒光體測量能量密度較高的紫外光束分佈,利用可見吸收紫外透射玻璃製成的衰減器測量有嚴重背景光的紫外光束分佈,可以作為實驗室的常規測量工具,並有一定的推廣價值。
  8. The investigation of a lot of parameters about treated sandstone, brick materials and earthen materials with fluorited polymers has been carried out, such as the formation of polymer, the penetration depth, porosity, capillary absorption and penetration coefficient, water uptake, compressive strength, drilling resistance, absorption isotherms of water vapor, water vapor diffusion, color changes as well as resistance to desegregation of water, frizzing - throwing cycles, worming - cooling cycles, and so on. in addition, the influence of salt crystallization, acid and base, and uv aging have also been assessed in order to better understand the protection effects and utilization possibility of two fluorinated polymers, mainly according to astm standard and the combination of international methods together with general technological

    分別以國家級文物保護單位的土質、砂巖和磚材文物樣品為對象,依據astm標準及國際通用文物保護研究方法與評估準則相結合,通過膠化物形成周期、滲透深度、孔隙度、毛細吸水和滲透系數、持水量、抗壓強度、抗鉆強度、吸附水蒸氣的能力、透氣性、外觀顏色等系列參數的測定,及凍融、冷熱循環、酸堿腐蝕后抗壓強度的衰減、可溶鹽對保護效果的影響、酸堿及光照對表面保護效果的影響,對兩種含氟聚合物及其與有機硅的共混物在文物加固保護和表面防護中的可行性和保護效果給予了系統研究。
  9. Space _ station _ futurama pov dky, obsahy d l ?, postavy a rozhovory, uv d n v tv a m dia

    湖南教育電視臺湖南教育電視臺網站,含新聞資訊、教視新聞、湖南招考等欄目。
  10. A primary study on the value of uv - absorbing spectrum of gastric juice in the diagnosis of gastric cancer

    胃液紫外光吸收光譜對胃癌診斷價值的初步探討
  11. Den i swum to de stern uv it en tuck a - holt

    接著,我游到木筏的后梢,緊緊爪抓住不放。
  12. A natural humectant, good for soothing fine lines ; ability to neutralize the skin and help get rid of harmful substances ; relaxing to the inflammed skin and has mild uv protecting factor

    含高量保濕因子,可以防止皮膚水分散,幫助失撫平細紋;亦可凈化皮膚的污染物,使膚質透明、潔凈;防止紫外線和外部刺激引起皮膚氧化,鎮靜皮膚炎癥。
  13. Through optimizing the liquid uv - curable composition ( kind of oligomer, concentration of active diluent, photoinitiator and additive ), we have got a kind of better ingredient, as follows : pua 100 % and additive ( tf, ab and nanometer additive mnip0220 ) 100 %. ( 4 ) compares hs - spme ( made of above ingredient ) with routine hs method under the identic measuring condition. take pepper for example, the area of responsing peak of main component is 62052680 in hs - spme and 38263 in hs ( 10u1 ), a enrichment multiple of 1622, which is proved that this spme coating has a better enrichment ability

    ( 4 )用自製spme裝置的hs一spme和常規hs方法進行了比較,在同樣測定條件下,用自製的spme裝置對胡椒進行hs一spme一gc一ms與常規hs方法進樣10拼1進行比較,自製的spme裝置對某組分的響應峰面積為62052680 ,而進樣10pl對其組分的響應峰面積為38263 ,富集倍數為1622倍,說明自製spme裝置具有很強的富集能力。
  14. . . and a uv spectrometer past indonesian customs

    這些儀器很難通過印尼海關的
  15. The refractive index and the changing behaviour of the a - sic : h films were calculated by using uv - vis - nir spectroscopy interference wave and it was found that the hydrogen content and ir transmittance were decreased with y rays irradiation dose. lt is very interesting that the sp ' c - h bonds were observed by the raman spectra for the first time and expand the application scopes of raman spectroscopy in structure analyse fields

    根據uv ? vis ? nir光譜中的干涉條紋,計算出了y射線輻照下a - sic : h薄膜的折射率及其變化趨勢,並由此得出y射線輻照導致其氫含量變小及紅外透過率變小的結論。有趣的是:還首次用raman光譜觀察到了dlc薄膜中sp ~ 3c - h鍵隨輻照劑量改變的變化規律,擴大了其在結構分析領域中的應用。
  16. No ; some er de niggers foun her ketched on a snag along heah in de ben, en dey hid her in a crick mongst de willows, en dey wuz so much jawin bout which un um she b long to de mos dat i come to heah bout it pooty soon, so i ups en settles de trouble by tellin um she don t b long to none uv um, but to you en me ; en i ast m if dey gwyne to grab a young white genlman s propaty, en git a hid n for it

    是這兒幾個黑人發現木伐筏給一塊礁石當擋住了,就在這兒河灣里,他們就把它藏在小河浜里,在柳樹的深處。他們為了爭木伐筏歸誰所有,爭得不可開焦交,很快就給我聽到了。我跟他們說,木伐筏本不是他們中間哪一個人的,原本屬於你和我的。
  17. Standard guide for use of uv - a and visible light sources and meters used in the liquid penetrant and magnetic particle methods

    液體滲透和磁粉法中使用的uv - a和可視光源和儀表的使用的標準指南
  18. When uv - a light is shone onto the cloaked antibody it is activated

    當uv - a紫外光照射在包好的抗體上時,抗體被激活。
  19. Only a few uv - filters are capable of blocking uv - a, the wavelengths that penetrate deeply into the skin

    只有很少的防曬成分能擋住一種波長能深深穿透皮膚的紫外線。
  20. Hanson ' s research team found that three uv filters widely used in sunscreens generate ros when skin is exposed to uv radiation. only a few uv - filters are capable of blocking uv - a the wavelengths 17 that penetrate deeply into the skin

    漢森的研究小組發現當皮膚處在紫外線輻射之下,三種廣泛用於防曬產品中的紫外線過濾成分也會生成活性氧簇ros .只有很少的防曬成分能擋住uv a ,一種波長能深深穿透皮膚的紫外線。
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