輻射線化學 的英文怎麼說
中文拼音 [fúshèxiànhuàxué]
輻射線化學
英文
radiation chemistry- 輻 : 名詞(車輪中車轂和輪圈的連接物) spoke
- 射 : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 學 : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
- 輻射線 : radiation; ray
- 輻射 : radiation; exposure; radio; beaming
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In section one, by using fice scheme and time - gcm, a model of trace gases and oh airglow affected by gravity wave is set up, then the propagation of nonlinear gravity wave and the effect on trace gases and oh airglow are analyzed. the result shows gravity wave excited by tropospause forcing can propagate stably to the mesosphere through the stratosphere so that energy and momentum can be transferred from one region to another. in this process, gravity wave undergoes growth, overturning, convection and breaking
在第一部分的工作中,利用全隱歐拉格式和全球熱層-電離層-中間層-電動力學環流耦合模式( time - gcm ) ,對重力波的非線性傳播及其在傳播過程中對中高層大氣中氧族和氫族成分和與之密切相關的oh氣輝輻射的影響進行了數值模擬,結果表明,從對流層向上傳播的重力波經歷了產生、發展、飽和、對流產生直至破碎的非線性演化,大氣的非等溫結構加速了重力波在中層頂區的破碎,重力波的非線性傳播是小尺度對流和湍流產生的一個重要的源。Topics include : planets, planet formation ; stars, the sun, " normal " stars, star formation ; stellar evolution, supernovae, compact objects ( white dwarfs, neutron stars, and black holes ), plusars, binary x - ray sources ; star clusters, globular and open clusters ; interstellar medium, gas, dust, magnetic fields, cosmic rays ; distance ladder ; galaxies, normal and active galaxies, jets ; gravitational lensing ; large scaling structure ; newtonian cosmology, dynamical expansion and thermal history of the universe ; cosmic microwave background radiation ; big - bang nucleosynthesis
課程的主題包含了:行星、行星形成;恆星、太陽、正常的恆星、恆星形成;恆星演化、超新星、緻密天體(白矮星、中子星及黑洞) 、波霎、雙x -射線源;星團、球狀及疏散星團;星際介質、氣體、塵埃、磁場、宇宙射線;距離階梯;星系、正常及活躍星系、噴流;重力透鏡;大尺度結構;牛頓宇宙學、宇宙的動力膨脹及溫度發展歷史;宇宙背景微波輻射;大霹靂核合成。Now the method has application at large. because the laser - produced plasmas are rapidly varying, temporal resolution of spectral features is important to investigation of x - ray radiancy evolvement with time, many dynamic plasma processes and radiation transport. soft x - ray time - resolved diagnosis technology have had quiet great progress since from sixty " s end to seventy " s early
由於激光等離子體變化快,且其x射線輻射的時間特性包含有豐富的物理信息,因此時間分辨的x射線輻射特性診斷是研究激光等離子x射線輻射隨時間的演變,各種動力學過程和輻射輸運等物理問題所必需的關鍵診斷技術。In this paper, the target radiate characteristics and waveband selection of the infrared system reviewed briefly ; the suppression of the stray radiation in the infrared sub - system is discussed ; the material selection, the support structure and optimization of the primary mirror in the infrared sub - system of the theodolite, every factor which will affect the surface figure of the mirror is discussed in detail and get the result that in the circumstance of shooting range, the primary factor which affects the surface figure of the mirror in the infrared sub - system is temperature changing, this ca n be resolved by using material of low expansion coefficient and using same material in the mirror and the mirror seat
本文將對紅外系統的目標輻射特徵分析和波段選擇進行簡要回顧,討論紅外系統中雜散輻射的抑制,並詳盡分析經緯儀紅外光學系統設計中所涉及到的反射鏡的材料、支撐、結構和優化設計等問題,認真討論和分析影響主鏡的面形精度的各種可能因素。並指出:在靶場環境下影響經緯儀紅外分系統主鏡面形精度的主要原因是溫度的變化,這種情況可通過選擇低線膨脹系數的材料並且使鏡座和反射鏡採用相同的材料予以解決。Ophthalmic optics. contact lenses. ageing by exposure to uv and visible radiation in vitro method
眼科光學.隱形眼鏡.暴露于紫外線和可見光輻射的老化現象Examples of prohibited articles are dangerous drugs, chemicals that are essential for the manufacturing of dangerous drugs or psychotropic substances, firearms and ammunition, strategic commodities, pharmaceutical products, medicines, radioactive substances, irradiating apparatus, radio transmitting equipment, endangered species, animals and plants, pesticides, ozone depleting substances, textiles, rough diamonds and certain foodstuff
禁運貨品包括危險藥品、製造危險藥品或精神藥物所需的化學品、槍械及軍火、戰略商品、藥劑產品、藥物、放射性物質、輻照儀器、無線電發送器具、瀕臨絕種物種、動植物、除蟲劑、耗蝕臭氧層物質、紡織品、未經加工鉆石及若干食品。Methods of testing plastics - optical and colour properties, weathering - determination of ultraviolet radiation intensity using polysulphone film
塑料試驗方法.第5部分:風化條件下光學和顏色性能.試驗方法540c :用聚碸膠片測定紫外線輻射強度Gamma - ray observations help astronomers understand the basic physics of these sources by measuring the energy and variability of the highest energy radiation coming from these sources, radiation often comes directly from the central engine
通過對這些輻射源的高能輻射變化及能量的測量,射線的觀察有助於天文學家了解這些通常直接來自能量中心的輻射源的基本物理性質。Compared with cotton, vinylon has stronger tenacity and elongation, better abrasive resistance, stronger hygroscopicity, and better heat preservation, and it has better resistance to chemical corrosion, sunlight, moth, mold, and radiation as well. vinylon can be spun with cotton or other fibers into knitting goods and other cloth. it is also used as industrial fiber for the manufacture of tire cord, conveyer, fire hose, fish net, ropes, canvas, filter cloth, and rubber items etc
維尼綸是以聚乙烯醇為原料紡成的合成纖維,其性能與棉花相似,與棉花相比又有強伸度大耐磨性好吸濕性強的優點和更好的耐化學腐蝕性耐曬性耐蛀霉性保暖性及耐輻射性等,可與棉花及其它纖維混紡以織造針織物及其它用布,同時作為工業用纖維,廣泛用於製造輪胎簾子線運輸帶水帶魚網繩索帆布過濾布及橡膠製品等。Then some cavity quantum electro - dynamic ( cqed ) effects are studied by experiment. the photoluminescence ( pl ) intensity enhancement at resonance wavelength and suppression at off - resonance wavelength, emission spectrum narrowing as well as emission intensity redistribution in space are observed in the microcavity device fabricated with distributed bragg reflector ( dbr ) and silver mirror as well as that done with two silver mirrors
分別在帶有dbr結構的平面微腔及全金屬鏡構成的平面微腔中觀察到了諧振模式處的輻射增強及非諧振模式處的輻射抑制,發射譜線窄化以及輻射強度空間分佈重組等腔量子電動力學現象。" for now, the best advice is to use sunscreens and reapply them often the skin cancer foundation recommends every two hours, and especially after sweating or swimming, which can wash away sunscreen to reduce the amount of uv radiation from getting through to filters that have penetrated the skin, " said christopher bardeen, an assistant professor of chemistry at ucr
「目前,最好的建議是使用並經常反復塗抹防曬產品皮膚癌基金會建議每兩小時搽一回,尤其是在出汗或游泳之後,那樣會使防曬霜流失以便減少滲入到皮下的防曬成分所吸收的紫外線輻射量。 」加州大學河濱分校助理化學教授克里斯託福The band was previously associated with f - type color centers and v - type color centers, as analyzed in x - ray irradiated ysz sample. however, the absorption band observed in our experiments has a shift towards the longer wavelength ( red shift ) as comparing with that in the x - ray or neutron irradiated ysz spectra. this shift may mainly due to large local distortions near the f - type centers and the v - type centers and the presence of multiple color centers
本文通過光吸收、光熒光、 tem 、 xps測試及trim96計算分別研究了不同注量xe ~ +注入ysz前後光學性能和缺陷形態變化,以及ni ~ +注入對不同摻雜單晶al _ 2o _ 3結構和光學性能的影響,得到以下結果: ( 1 ) ysz注量達到10 ~ ( 16 ) cm ~ ( - 2 )時,開始出現由f型和v型色心重疊而產生的吸收帶,與x射線、中子輻照相比,重離子輻照產生了更為復雜的缺陷復合體而導致吸收峰紅移。Abstract : in this paper the synthesis methods of silver nanostructure materials, such as nanocubes, triangular nanoprisms, nanorods, nanowires, nanotubes, dentrites, flake, nanodisks, nanobelts, and so on, were introduced, the methods include reducing precipitation, photoinduced conversion, irradiation reduction, electrodeposition, template, microwave - assisted, ultrasonic - assisted, hydrothermal assemble, microemulsion, and so on
摘要:介紹了納米立方體、三角形納米稜柱、納米棒、納米線、納米管、樹枝狀、片狀、納米盤、納米帶等納米結構銀的制備方法,包括溶液還原沉澱法、光誘導轉化法、輻射還原法、電化學沉積法、模板法、微波或超聲波輔助法、水熱法、微乳液法等。Capable of responding to sunlight or ultraviolet radiation by chemical reaction
能經化學反應感光的能通過化學反應對陽光或紫外線輻射反應的So professor masamitsu ichihashi and his colleagues from the kobe university school of medicine in japan decided to find out if olive oil, which is a potent source of anti ? oxidants, provides uv protection
日本神戶大學醫學院的正光一橋教授和他的同事們,決定要證實橄欖油作為一種有效的抗氧化劑的來源,是否可用來防紫外線輻射。Abstract : in the survey of disposable sanitary products on beijing market, it was found that 39. 5 % of them were disinfected with chemical method, 33. 5 % with ionizing radiation disinfection and others with heat and ultraviolet disinfection
文摘:調查北京市售一次使用性衛生用品, 39 . 5 %用化學法消毒, 33 . 5 %用電離輻射消毒,其餘用熱力與紫外線消毒。Ophthalmic optics - contact lenses - ageing by exposure to uv and visible radiation in vitro method
眼科光學.接觸鏡.暴露于紫外線和可見光輻射的老化Over the past eight years, dozens of investigators have blamed the increase on the amphibians ' greater exposure to ultraviolet radiation, on chemical contamination of water or on a parasite epidemic
過去八年來,許多研究者認為,畸形兩生類增加的原因在於?們暴露于較高的紫外線輻射之下、水域的化學污染,或是寄生生物的傳染。Because there are no enough efficiency methods to dispose pollute, so to study and develop new methods is very urgent. we do some work to study on the radioresistance bacteria deinococcus radiodurans to construct one super bacteria, which could resolve the pollution in a complex environment contaminated by both radiation and organic compound
同時針對耐輻射奇球菌deinococcusradiodurans對電離輻射、紫外線、乾燥、強氧化劑和一些化學誘變劑的驚人的抗性,對構建在放射性和有機鹵代物污染的復合環境中具有生物修復功能的超級基因工程菌方面做了初步的研究,以發展有效清除環境污染的新途徑。In general, the energy of the non - ionizing radiation such as light and radiowaves is low and not sufficient to change the chemical properties of a substance
兩類。一般來說,非電離輻射例如光線及無線電波的能量較低,不足以改變物質的化學性質。分享友人