弱吸收 的英文怎麼說

中文拼音 [ruòxīshōu]
弱吸收 英文
weak absorption
  • 弱 : Ⅰ形容詞1 （氣力小; 勢力差） weak; feeble 2 （年幼） young 3 （差; 不如） inferior 4 （接在分數或...
  • 吸 : 動詞1 （把液體、氣體等引入體內） inhale; breathe in; draw 2 （吸收） absorb; suck up 3 （吸引） a...
  • 收 : Ⅰ動詞1 （把攤開的或分散的事物聚集、合攏） put away; take in 2 （收取） collect 3 （收割） harvest...
  1. We have calculated one - and two - photon absorption cross sections of the lowest excited states of a series of molecules combined with benzene, stilben, thiophene as center attached with amine, diphenylamine, diethylamine as electron - donor and nitryl as electron - acceptor ; the effects of molecular length, n center and electron - donor on two - photon absorption cross sections have been studied and all calculations have been carried out using the density functional theory at an ab initio level. it is found that the molecular length and the one - photon absorption intensity are quite strongly c orrelated factors, and that a corresponding correlation for the two - photon absorption is decreasing. it is also found that a most crucial role for the two - photon absorption is played by the n center

    我們分別以苯、二苯乙烯、噻吩為中心，氨基、二苯氨基和二乙氨基為電子給體，硝基為電子受體組合形成的分子為研究對象，在從頭計算的水平上用密度泛函理論計算了這些分子在低激發態下的單、雙光子吸收強度，重點研究了分子的長度、中心和給體的供電子能力對分子單、雙光子吸收的影響。研究結果表明，分子長度與單光子吸收強度之間有密切關系，而在雙光子吸收中這種關系較弱；中心在雙光子吸收中具有重要的作用；在中心和受體一定的情況下，增加給體的供電子能力，可提高雙光子吸收強度。
  2. Two fundamental approaches, differential optical absorption spectra ( doas ) and wavelength modulation harmonic measurement, for gas light absorption detection are discussed

    分析了波長調制諧波檢測技術和差分吸收檢測技術兩種弱信號檢測方法。
  3. The xrd results confirmed that the nanocomposite oxide has two kinds of material with sno2 and a - fe2o3 ; the uv spectra has more variety with the proportion changing of the two kinds oxide ; the fisps indicated that photoelectric property increased with the adding positive electricity field, and the biggest strength could reach 50 ~ 60 times. with an increment for negative electricity field, the photoelectric property reduced largely

    Xrd結果證實了所制備的納米粒子為兩種材料的復合氧化物;紫外可見吸收隨兩種氧化物復合比例的改變有較大的變化; fisps表明復合材料的光伏響應強度隨所加正電場的增加而增加，最大強度可增加50 ~ 60倍，隨所加負電場的增加而大大減弱。
  4. Experimental studies were conducted at the yucheng comprehensive experimental station of the chinese academy of sciences during the period from march to june in 2003. respiration of a pulverous sandstone soil was studied under cultivation of winter wheat over a growth season. soil ch4 was measured by the static - chamber method combined with gas chromatography ( gc ) technique. the results indicated that the soil of winter wheat field in rapid growth season is a weak sink of ch4

    本文利用靜態箱氣相色譜（ gc ）分析的方法，在中國科學院禹城綜合試驗站，對華北平原冬小麥生長旺季期間麥田土壤中ch _ 4氣體通量進行了測定，試驗起止時間為2003年3 6月，得出華北平原典型冬麥田土壤是大氣ch _ 4的弱吸收匯。
  5. Thus theoretically, weakly acidic drugs ( eg, aspirin ) are more readily absorbed from an acid medium ( stomach ) than are weak bases ( eg, quinidine )

    因此，從理論上講，弱酸性藥物（如阿司匹林）在酸性介質中（胃腔）比弱堿性藥物（如奎寧）更易吸收。
  6. It is soothing, calming, and balancing for the body and mind. many metaphysicians claim that variscite brings financial abundance. healing power

    在反射光照射下會出現獨特的吸收光譜， 688nm的強吸收帶， 650nm弱帶， 500nm全吸收。
  7. In china, the concept and system of judge profession guarantee are still very weak. so the author advocates that the international common practice that are beneficiary to judicial indepen dence and justice and not prohibited by the present chinese law should be absorbed in and give them binding power and make it the aim of the construction judge profession guarantee

    在我國，法官職業保障的意識和制度都較薄弱，因此筆者主張凡是有利於實現司法獨立與公正、凡是不為現行憲法所禁止的國際通行標準都應吸收進來，賦與其剛性的約束力，以此作為我國法官職業保障制度的建設目標。
  8. Main conclusions drawn from the analyses of calculating results are as follows : ( 1 ) the microwave absorption of atmosphere gas have obvious attenuation at the wavelengths for cloud detection, thereinto, the water attenuation effect changes greatly, so the 94ghz cloud detecting radar should have water vapor attenuation correction scheme. ( 2 ) when 37ghz and 94ghz radars detect clouds, the difference between the atmosphere and cloud attenuation and the large variety of radar reflectivity conduce the intension of the radar backscatter signals change. ( 3 ) for the thin cloud layer and low water content of cloud, 37 - ghz radar backscatter signals are not as good as 94 - ghz radar, that is to say that the 94ghz radar has better capability in thin clouds detection

    本工作得出如下結論： （ 1 ）大氣氣體的微波吸收在測雲波段產生明顯的衰減，其中水汽衰減效應變化很大；即將上天的空間94ghz測雲雷達必須有水汽衰減訂正方案； （ 2 ） 37ghz和94ghz雷達測雲，由於大氣和雲衰減不同和雷達反射率的很大差異，導致雷達回波信號強弱不同； （ 3 ）對雲層較薄、含水量較少的雲，在不計雷達參數的情況下， 37ghz雷達回波信號不如94ghz測雲雷達，也就是說94ghz對薄雲有更強的探測能力；對雲層較厚、含水量大的雲，由於強衰減的作用， 94ghz雷達回波信號小於37ghz雷達； （ 4 ）從大氣衰減的不利因素方面考慮，空間94ghz雷達測高層薄雲的效果最好；測低層薄雲時需要考慮氣體衰減訂正；因濃厚雲的強衰減作用，探測其中下部的能力大大減弱，不僅要進行衰減訂正，而且要藉助其他信息來反演整個雲層的含水量垂直分佈； （ 5 ）為了獲得從極薄到極濃厚雲的垂直分佈探測能力，未來測雲雷達系統最好採用雙波長甚至三波長（如94 、 37和13ghz ） 。
  9. The numerical simulation equations of the border curves in term of and as well as the matching rules and the frequency dependence of microwave electromagnetic parameters of a broad - band homogeneous absorbing coating with a finite value of reflection loss are available. these results pointed out the direction to develop rams ". according to the radar - absorbing model, the optimized design of rams with thin - layer, light - weight, broadband and strong - absorbing is available by the simple genetic algorithms, which can effectively conduct the research work of rams to the detail. small but completely, the electromagnetic parameter ' s databases of rams that based on actual microwave absorbers have been set up, the object function has been constructed which conform to the involved goals, the adaptive coding measure is taken which extends the coding length dynamically adapting to the condition of the number of actual absorbers or the precision of thickness and absorber - volume - percentage, the decoding technique is initiated which satisfies light - weight and strong - absorbing as well as thin - layer and broadband by adopting of tracing variable restricting conditions dynamically to control total thickness. when decoding, the variable restricting conditions of thickness are dynamically traced, so gain the radar absorbing coatings of light - weight multiple - layer single - ingredient. similary, of thickness and absorber - volume - percentage, of light - weight multiple - layer multiple - ingredient. also, the rams ' demand to radar - absorb performance as frequency is met making use of the penalty function

    作為遺傳演算法的具體實施：根據本實驗室近來研製的吸波材料，建立了吸波材料的相關數據庫；構造了能真實體現「薄、輕、寬、強」優化目標的目標函數；根據材料的實際數量以及塗層厚度精度要求、吸收劑體積分數精度要求，建立了能動態擴展相應碼長的自適應編碼方法；首創了通過動態跟蹤變量的約束條件來控制塗層總厚度的解碼技術，以此實現了在不弱化寬頻、高強的吸波性能目標的同時，兼顧到薄層、輕質的使用性能要求；在解碼時通過動態跟蹤厚度變量的約束條件，實現了多層單組分吸波塗層對重量輕的要求；通過動態跟蹤厚度變量的約束條件和吸收劑體積分數的約束條件，實現了多層多組分吸波塗層對重量輕的要求；使用權重系數變化法，實現了吸波塗層的分頻段吸波性能要求。
  10. First, the article introduces main theories of interest rate transmission mechanism in western countries, and then studies the actuality of the effect of interest rate transmission mechanism in china demonstratively. after that, based on the essential analysis of the efficiency about present transmission mechanism, the article discusses the factors that restrict and influence interest rate transmission mechanism of monetary policy in china, from microeconomic factors and macroeconomic environment respectively. finally, the article puts forth the reformation target of monetary policy interest rate transmission mechanism and the corresponding innovation proposals to enhance the effect of the interest rate transmission mechanism in china

    本文在借鑒和吸收前人研究成果的基礎上，採用了規范性研究和實證研究相結合的方法，構建了關于貨幣政策利率傳導機制有效性研究的合理的分析框架：文章首先介紹了西方貨幣政策利率傳導機制理論，著重分析了這些理論發揮作用的途徑和模式；其次，通過各種數據分析了我國貨幣政策利率傳導機制的現狀；接著針對我國利率傳導機製表現出的獨特現象分別從微觀因素和宏觀環境兩個層面研究了弱化其有效性的各種因素；最後，針對上述因素提出了加強我國貨幣政策利率傳導效率的政策建議。
  11. The lattice vibrations are called phonons ? they behave just like particles, and their emission and absorption by the electrons generate a weak attractive interaction

    晶格的振動稱為聲子，它們的行為就像粒子，被電子放射或吸收時會產生微弱的吸引力。
  12. To avoid the effects of cosmetics and perfume, pearls should be the last thing a woman puts on before going out and the first thing she takes off after returning home. also, pearls are quite soft, so for the longest - lasting pearls choose those with thick nacre that can help them withstand wear over time. the best way to care for pearls is to wear them often because the body s natural oils keep them lustrous

    從報導的實例來看，由於珍珠緊貼人的頸部，它的有效成分可以經摩擦進入人體，珍珠對體液分泌有一定吸收能力，皮膚對珍珠中所含藥物成分也有吸收，乃至影響局部患處，起消炎治療作用至於能治療神經衰弱癥，是因為珍珠具有鎮驚安神作用，但珍珠項鏈如何起安神作用還值得具體研究。
  13. A patch antenna with air holes in the substrate has been designed. the finite - difference time - domain ( fdtd ) method together with the perfectly matched layer ( pml ) boundary treatment has been used to study the performance of the antenna. it is shown that the surface waves are significiently suppressed, the frequency bandwidth is improved, the sidelobe levels are reduced and consequently the gain in the forward direction is improved by 14 db ( about 4 db higher than the value reported previously )

    設計了一種基底鉆周期圓孔結構的電磁（光子）晶體貼片天線，用fdtd方法並結合pml吸收邊界條件對該天線進行了研究，結果表明本文所設計的基底鉆孔型電磁晶體貼片天線取得了多方面的性能改善，與普通天線相比，基底中的表面波受到很大抑制，天線的帶寬增加，遠場方向圖上天線的旁瓣和背瓣被明顯削弱，向前輻射的增益由原來的12db增加到26db ，增加了14db ，比文獻上報道的gonzalo等人的研究結果提高了4db 。
  14. However, excessive tax competition may weaken the effectiveness of the tax incentives, hence incuring welfare loss ; ( ii ) in a non - cooperation tax competition equilibrium, it turns out that tax rates are set too low to fiance an efficient level of public expenditure, especially lowers the provision of the public goods benefiting residents ; ( iii ) competition for capital means the revenue from capital income taxation declines. in order to maintain the necessary public expenditure, the government would shift tax burden towards the more immobile labor, which may arouse the inequity issues on redistribution. chapter 3 : " the strategy of international tax competition and optimal capital taxation.

    但過度的稅收競爭反而會減弱稅收激勵政策的有效性，降低一國福利水平；其二，在非合作均衡狀態下，國際稅收競爭使所有國家的資本課稅都維持在缺乏效率的低稅率狀態，從而不能獲取足夠的財政收入，導致公共產品提供不足；其三，旨在吸引資本流入的稅收競爭，普遍降低了對資本所得的課稅，但政府為了獲取足夠的財政收入以維持正常的支出，會將本來由資本承擔的一部分稅負轉移到流動性較弱的勞動力身上。
  15. A sharp drop in salt intake can create a sodium deficiency, particularly for people who are used to eating highly salted dishes ; this can lead to various symptoms, including a feeling of overall weakness

    急劇的降低鹽的吸收可能造成鈉缺乏，特別是習慣于吃高度鹽味的菜肴的人;這可能導致許多的癥狀，包括整體虛弱的感覺。
  16. In this thesis, the thermal distortion and the weak absorption of thin film samples irradiated by 10. 6 m co2 laser were studied

    因此，本文對10 . 6 mco _ 2激光輻照下的樣品的熱畸變和微弱吸收進行了研究。
  17. At present, photothermal deflection technology and surface thermal lensing technology are widely applied in weak absorption measurement

    目前，廣泛使用的測量弱吸收的方法有光熱偏轉技術和表面熱透鏡技術。
  18. The experimental setups have been built in the use of the photothermal deflection technology and surface thermal lensing technology, respectively. the weak absorption of different optical thin films has been measured. the experimental results obtained from the above two methods were compared

    4 .分別建立了表面熱透鏡技術和光熱偏轉技術測量光學薄膜微弱吸收的實驗裝置，對多種光學薄膜樣品的微弱吸收進行了測量，並將兩種方法測得的實驗結果進行了比較。
  19. Moreover, higher sensitivity can be achieved when a top - hat beam is used as the excitation source

    且使用平頂光束作為激勵光可以提高光學薄膜微弱吸收的測量精度。
  20. Furthermore, as the high - power co2 laser is widely used, especially the development of the research on co2 laser propagating in atmosphere and window material in infrared band, the research on the surface thermal distortion in optical thin film irradiated by 10. 6 m laser is more and more important

    而且，隨著高功率co _ 2激光器應用的日益廣泛，特別是國內外有關co _ 2激光大氣傳輸研究工作的進展以及紅外波段窗口材料的研究，使10 . 6 m激光輻照下光學薄膜熱畸變和微弱吸收研究具有重要意義。
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