深紫外 的英文怎麼說
中文拼音 [shēnzǐwài]
深紫外
英文
deeuv-
Because the skin excretes melanin, which will come out absorb the uv rays from sun and darken the skin, but the hair doesn ' t, it can only decompound melanin
答案一,人體會在皮膚表面增加黑色素的沉積,阻擋陽光中的紫外線深入皮膚內層,但是頭發沒這本事,只會分解黑色素。The laser - liga technology provided by this research is the first technology to use ultraviolet laser as the exposal source for su - 8 photoresist lithography. it is a technology with lower cost and big potential to increase the aspect ratio as well as wider application
本文首次提出採用紫外激光作為曝光光源的laser - liga技術,對su - 8膠進行曝光光刻不僅成本低、易推廣,而且具有大幅度提高光刻深寬比的潛力。Use low - density aluminum alloy oxide to the first, with the introduction into superior performance ; neiqiang use special vocabulary design let s hear first from the surface temperature is equipped with colour sets, enabling patients to feel comfortable ; pipeline grey colour black red light green light blue pink sea blue purple yellow note : 220 - tone models of the length of 52cm diameter listen first bamboo : 48mm film - based 30mm bell type
採用低密度的鋁合金氧化聽頭,具有優越的導音性能;內腔採用特殊的圓弧設計,且聽頭表面都配有彩色的隔溫套,能使病人使用時感到舒適;管道顏色黑色灰色紅色深藍粉紅淺藍深綠淺綠海藍紫色黃色注:型號220導音管長度52cm聽頭外圓直徑: 48mm膜型30mm鐘型The experiments show that the color of the iceland spar can be changed when heated to a certain temperature, that is, light yellow iceland spars will fade when heated to 360 - 370, while dark yellow iceland spar will fade at 440 - 450, brownish yellow iceland spar at 460 - 470 ; and the color of light purple iceland spar can be removed when heated to 390 - 400, while the color of deep purple iceland spar can be removed at 440 - 450, deep reddish purple iceland spar at 460 - 470. on base of the u - v absorption spectrum, we find that the u - v absorption spectra of the faded iceland spars are paralleled to the x axis, the transmittance of them are also greatly improved
實驗表明,冰洲石在加熱到一定溫度時顏色會發生變化:淺黃色、深黃色和褐黃色冰洲石分別在360 - 370 、 440 - 450和460 - 470完全褪色;淺紫色、深紫色和深紫紅色冰洲石分別在370 - 380 、 440 - 450和460 - 470時完全褪色。通過對褪色后冰洲石進行紫外-可見光吸收光譜測試表明:完全褪色后的冰洲石在紫外-可見光的吸收光譜上表現為一條近平行x軸的直線;紫外、可見光區的紫區的光透過率有了很大了提高。The new lovely teddy sailors are available in two styles, each wearing white or purple cap and blue sailor outfit. the cutie teddy sailor is the best companion of children and it can also become a key ring and a home decor
新渡輪熊bb水手有男女兩款,戴上不同款式的白色紫色水手帽及穿上傳統深藍色水手服,造型活潑可愛,是小朋友的最佳玩伴另外,熊bb配有獨特設計,可作鎖匙扣掛飾擺設等多元化用途。For a long time. hospitals use normal disinfections methods like ultraviolet irradiation or high compressed steam to disinfect sickbeds, mattresses, bedclothes. bed sheets and pillow fillers ; which can only be disinfected in the shallow surface and the pathogen hidden in the depth of these bed units cannot be killed thoroughly and effectively
長期以來,醫院對病床、床墊、被褥、床單、枕芯的常規消毒方法用紫外線照射或高壓蒸氣消毒,這種方法只能達到淺表的消毒的作用,並不能徹底有效地殺滅潛于床墊子、被褥、床單、枕芯深層的病菌。In this paper, by explored geo - physico - chemical prospecting method for looking for oil in prior prospect, the authors summarize a suit of prospective technique and program, which is valid to oil - geology trait of zhidan area and composed of ; oil gas geo - chemical prospect ( acid degradation of hydrocarbon, absorbed - fluorescent spectrum, ultraviolet radiation spectrum, methane carbon - isotope ) non seismic detection in favorable explorative area which confirmed by chemical prospect ( matural potential, gamma energy spectrum. accurately magnetic analysis ) resistively prospecting in anomalous area which confirmed by physicalprospect successful general evaluation of geo - physicochemical prospect
通過勘探早期地質物化探綜合找油方法實驗,筆者總結了一套適合志丹探區石油地質特點的勘探方法組合和勘探程序:油氣地球化學勘探(酸解烴、吸附烴、熒光光譜、紫外光譜、甲烷碳同位素、蝕變碳酸巖)化探圈定的有利勘探區進行非地震物探(自然電位、伽瑪能譜、高精度磁測、土壤測氧)物探圈定的異常區進行電阻率測深勘探地質物化探成果綜合評價。Lastly, dark clothing is more effective in filtering out uv than light - coloured clothing, giving better protection from the sun
最後,深色的衣服一般可濾去較多的紫外線,故防曬效果會比淺色衣服好。With increasing the inputting rf power further, the intensity of visible band emission increase, on the contrary, the intensity of uv band decreas. the surface also becomes rough as further increasing rf power
然而隨著射頻功率的進一步增加,薄膜的結晶質量降低,紫外發光變弱,深缺陷發光增強,薄膜的表面平整度變差。In order to research systematically the kinetics of the redox reaction between tbh and np ( vi ), the main contents of the work in this paper are as follows. ( 1 ) tbh is synthesized by direct alkylization in chsoh media. the structure and composition of the product are characterized by elemental analysis, uv - vis spectrum, ir spectrum, ms spectrum and nmr spectrum respectively
為深入系統的研究特丁基肼還原np ( )的動力學,為后處理工藝流程提供實驗和理論依據,本文研究了以下內容: ( 1 )以甲醇為溶劑,用直接烷基化的方法合成了特丁基肼,並通過元素分析、紫外光譜、紅外光譜、質譜、核磁共振譜等手段對產品進行表徵。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。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。This part emphasizes the synthesis of nanoarrays, aiming at controlling the size and distance of nanocrystallites using calixarene derivatives by altering the size, length and chemical structure of the organic molecules ; 2. this part emphasizes in situ synthesis strategy for fabrication of polymer network of zns based nanopowder, aiming at size controls, coating and preventing agglomeration following " one - pot " synthesis ; this method fits to low cost, large scale production ; 3. according to development in zno nanomaterials, we first report on the synthesis, characterization of amorphous zno, aiming at describing the principles and approaches of synthesis techniques, optical properties, spatial structure and doped effect ; the amorphous zno displays cage - like structure, showing a strong ultraviolet emission while the visible emission is nearly fully quenched, a potential uv - emission material ; 4
本論文以量子結構自組裝為出發點,提出利用杯芳烴及其衍生物的化學受限反應實現尺寸可調半導體納米粒子自組裝;提出有機聚合網路原位組裝zns基納米熒光粉方法,把熒光粉的納米化、包敷、防團聚在「一鍋」反應中完成,適于低成本,批量生產;根據當前zno的研究情況,我們首次合成了非晶zno ,研究了它的光學性質,確定了它的結構,並對其摻雜進行了初步的研究,非晶zno表現出強的深紫外發光特性,而可見發射非常弱,是一種有巨大潛在應用價值的深紫外發光材料;利用非晶zno的亞穩特性,對晶化過程中非晶zno納米晶zno三維受限量子結構特性,界面特性進行了深入的研究;利用固相熱分解一般受擴散控制特性,實現了尺寸可控的zno三維量子結構的自組裝;利用非晶zno的高度分散性,容易均勻成膜特性,實現了非晶籽晶誘導低溫液相外延自組裝生長高取向zno晶體薄膜。Uva, which penetrates deeply into the skin, is also thought to be a factor in premature ageing and skin cancers
長波紫外光能深入皮膚,故被視為造成皮膚老化及皮膚癌的一個因素。Researchers looking for ways to eradicate the toxic toads have found a way to trap them using ultra - violet " disco " lights
澳大利亞研究人員最近利用這種深色的紫外線光成功誘捕到很多蔗蟾蜍,這一作法將有利於緩解這種有害物種對當地環境的威脅。The methods and systems ( including amplitude division double - beam interference system, three - beam interference system, liquid immersion type deep uv interference system and full automatic interference photolithographic system ) for amplitude division maskless laser interference photolithography are studied and compared
研究和比較了振幅分割無掩模激光干涉光刻方法和系統,包括振幅分割雙光束干涉系統、三光束干涉系統、液浸式深紫外干涉系統及全自動干涉光刻系統。We also have analyzed the photoluminescence ( pl ) spectra of some zno films, it turns out that the emission of ultraviolet light comes from the radiative recombination of excitons within nano - crystal energy band - gap, and the pl peaks move to smaller wavelength because zn are substituted by fe, co, and cu, which cause the size of the film grains smaller and the effective band - gap bigger. the red emission of zno films is due to, on the one hand, decrease of the film grains size which causes the emission intensity smaller and smaller until it disappears abruptly, on the other hand, the transition of electrons from deep donor level of the oxygen vacancies to the valence band
另外,我們還對薄膜光致發光性質進行了分析和研究,結果表明:納米結構zno薄膜的紫外發光來源於帶間激子的輻射復合發光, pl譜的帶邊發射峰發生藍移是由於fe 、 co 、 cu對zn的替代使薄膜粒子的尺寸減小,使薄膜的有效帶隙增寬; zno薄膜的紅色發光,一方面是zno顆粒尺寸的減少,帶間的激子發射峰越來越弱直至猝滅,另一方面主要是與zno晶格中的o空位有關,由深能級復合發光引起紅光發射。It concluded that self - activated luminescent centers are not distributed randomly but prefer to occupy the surface sites in nanoparticles. 5. by raman spectra, epr spectra and uv irradiation - induced spectra change, the organic function groups of - oh, - ch3 and - coo adsorbed electrically on the surface of nanoparticles were discussed
Zns射漪屆劣結匆、齡腔與發芳碩里j筍應忿丈君漪扮5藉助raman光譜, epr (電子順磁共振)光譜以及紫外輻照誘導的光譜變化等實驗手段,較深入的研究了納米晶的表面態。The ultraviolet laser emission is the expected goal of zno nanowires, but we need deep ultraviolet excite source to pump in previous experiments, which put a disadvantageous limit in future application
Zno納米線紫外受激發射是人們希望達到的目標,但以往的激發過程一般是採用深紫外光泵浦,這對應用本身就是一條不利的限制。In the conditions, a deep, extensive and detail research, which majored in ld pumped 266 nm all - solid - state ultraviolet laser techniques, was made. and some important achievements are listed as following : 1
在這種情況下,作者圍繞ld泵浦266nm全固態紫外激光器的技術展開了廣泛、深入、細致的研究,取得了如下具有重要價值的研究成果: 1分享友人