有效量子效率 的英文怎麼說

中文拼音 [yǒuxiàoliángzixiàolǜ]
有效量子效率 英文
effective quantum efficiency
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 有效 : effective; valid; efficacious
  • 量子 : quantum; gion
  • 效率 : productiveness; efficiency; productivity; workpiece ratio
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山（自然保護區） 、黔江武陵山（國家重點退耕還林示範縣，森林覆蓋率50以上）和北碚中梁山（遭人為破壞嚴重）典型巖溶區為對象，選擇了幾種重要的利用方式，包括林地、果園、耕地、棄耕地和灌草坡，採用野外巖溶生態調查和室內試驗測量分析相結合的方法，以不同土地利用方式巖溶土壤肥力為重點，對不同土地利用方式土壤肥力特徵進行量化分析，找出巖溶土壤肥力差異的主要方面及其根本原因，論文主要從土壤剖面物理退化指標（有效土層厚度、有機質層厚度、質地、團聚體、水分含量等） ，化學肥力退化指標（有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等） ，樣地土壤微生物指標（細菌、真菌、放線菌數量及總量）以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究，為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. In this thesis, the development of emulsion polymerization theory and related new technologies are comprehensively reviewed, and the synthetic technologies of acrylate latex modified by organosilicon both at home and abroad are also reviewed. based on the current development and research in this field, attentions of this study are focused on three ways for preparing novel acrylate latexes modified by organosilicons, that is, 1 ) the acrylate monomers are copolymerized with unsaturated silicons by emulsion copolymerization ; 2 ) a new latex with microphase separation morphology is synthesized, which shows a core - shell structure character ; 3 ) soap - free polymerization is explored for preparing a higher - performance latex using an unsaturated silicon monomer, different acrylates and a reactive emulsifier. by using techniques of delaying addition of organosilicon monomer and a hydrolysis inhibitor, the hydrolysis and condensation of 3 - ( trimethoxysilyl ) propyl methacrylate during polymerization can be effectively prevented, as a result, organosilicon content in the macromolecular chain is increased

    同時採用有機硅單體延遲滴加及添加水解抑制劑等技術，有效防止了-甲基丙烯酰氧基丙基三甲氧基硅烷在乳液聚合過程中的過渡水解及縮合反應，提高了聚合物大分子鏈中有機硅鏈節的含量；利用紅外光譜與差示掃描量熱儀對產物分子結構進行了表徵，並通過對共聚產物力學和吸水率的測試，證實了本研究所制備的有機硅改性丙烯酸酯共聚物具有比純丙烯酸酯聚合物更優良的力學及耐水性能；從分子設計角度出發，利用醇解反應合成出水解、縮合反應速率較慢的兩種新型不飽和有機硅單體： ?甲基丙烯酰氧基丙基三乙氧基硅烷和?甲基丙烯酰氧基丙基三異丙氧基硅烷；利用核磁共振對新型硅烷單體結構進行了證實；研究表明利用新型硅烷單體可以制備出高硅烷含量的有機硅改性丙烯酸酯乳液，且其聚合產物具有較高的力學及耐水性能。
  3. First, the theory of fretting wear and studies on fretting fatigue were introduced and the parametric method was used in the process of creating the model of dovetail joints in ug software. the elastic contact problem is analyzed in finite element method ( fem ) and is used to the parameters " distribution and contact stress of the joint are obtained on the base of ansys code. with the effect factor of load frequency, the prediction method of fretting fatigue life of dovetail joint under low and high / low cycle complex load is proposed

    本文介紹了微動損傷的機理和微動疲勞壽命的研究方法；利用ug軟體對燕尾榫聯接結構創建了參數化實體模型；基於ansys軟體平臺求解彈性接觸問題，獲得了榫聯接結構接觸應力及接觸狀態量的分佈；在已有微動疲勞壽命預測模型的基礎上，引入載荷頻率影響因子，對低周、高低周復合載荷作用下的燕尾榫聯接結構進行了微動疲勞壽命的預測，與試驗結果對比表明採用本文提出的方法預測榫聯接結構的微動疲勞壽命是有效的。
  4. Mixers are the key components of many microwave and millimeter - wave systems. the super - heterodyne receiver is always applied in modern communication system, mixer becomes the key component as is at the first part of system. but it is more and more difficult to get the choiceness lo source of the same band with the system is working at high frequency especially in the millimeter - wave. sub - harmonic mixer is a good solution to this problem now. in this circuit we need just half 、 quarter 、 even 1 / 8 of the rf signal frequency. in this paper the design and fabricate of sub - harmonic hmic mixers ( 2, 4 ) at w - band are introduced

    混頻器是微波通信、射電天文學、雷達、等離子物理、遙控、遙感、電子對抗，以及許多微波測量系統中至關重要的部件。在現代通信系統中，毫米波頻段通常採用超外差接收機，混頻器作為第一級就成為關鍵部件。由於在毫米波頻段，同頻段高性能的本振源成本高，技術難度大，採用分諧波混頻技術是解決此問題的有效途徑，只需射頻頻率1 / 2 、 1 / 4甚至1 / 8的本振頻率即可實現混頻。
  5. The extracted marrows ganoderma lucidum and semen zizyphi spinosae contained in threesss can regulate secretion of hydrocortisone in human body and reduce excitation of human body during nighttime ; in addition, ganoderma - lucidum spores and semen zizyphi jointly stimulate secretion of sleeping - inducting peptide in body. improve rate of " high efficient sleeping quality and immunity. recover and strengthen mental strength, mental strength and vigor. through sleeping. the psychlogy and physiology return to the youth level

    「索萊爾」多元明膠囊中所含的靈芝和酸棗仁提取精華，能調節人體內皮質醇的分泌，降低人體在夜間的興奮度；此外靈芝孢子粉和酸棗仁共同作用，能夠在體內刺激「睡眠肽」和格里酶「的分泌，有效促進「高能睡眠」率，延長「高能睡眠」時間，從而達到全面改善睡眠質量，提高免疫力，使體力、腦力、精力得到迅速恢復和加強，通過睡眠將生理及心理狀態調整到青春期水平。
  6. The high - power semiconductor quantum well ( qw ) laser is a kind of luminescence device with superior performance, it has longe - lived, low threshold current density, high efficiency, high luminosity and excellent monochromatic, coherence, directionality, etc. the high - power semiconductor laser is widely applied to the fields, such as military, industrial machining, communication, information processing, medical treatment, etc. the material ' s epitaxy is the foundation of the whole laser ' s fabricating, and it has important influence on the optics and electricity performance about the laser

    大功率半導體量子阱激光器是一種性能優越的發光器件，具有壽命長、閾值電流密度低、效率高、亮度高以及良好的單色性、相干性、方向性等特點，廣泛應用於軍事、工業加工、通信及信息處理、醫療保健等領域。材料的外延生長是整個激光器器件製作的基礎，對器件的光學和電學性能有著重要的影響，生長不出優質的材料體系，獲得高性能的器件就無從談起，因此，材料的外延生長便成為了整個半導體激光器製作過程之中的重中之重。
  7. This system makes a breakthrough of traditional incremental motion control theories. it breaks the strict ambit between continuum and discrete, speed and position, rotation and step, the space vectors of stator magnetic field and rotor magnetic field are selected as the main control objects, incremental motion control and motion control are combined organically to make incremental motion control develop to large capability, high efficiency, high precision

    這其中的交流步進控制理論打破了傳統的增量運動控制思想，打破了連續與離散，速度與位置，旋轉和步進的嚴格界限，以定、轉子磁場空間矢量為主要控制目標，將增量控制與運動控制有機的結合起來，使增量控制向大容量、高效率、高精度方向發展。
  8. T. media cv. hicksii seedling " s total leaf area, specific leaf area, biomass, blade ' s thickness, apparent quantum efficiency ( aqy ) and the activity of hill reaction in one - layer shading are biggest. it shows that the ability using weak light is the strongest, which is favour of the accumulation of assimilating outgrown, and that it grows suitably at the place in shading

    一層遮蔭下生長的植株葉面積、比葉面積、葉片厚度、生物量、葉綠素含量、表觀量子效率及hill反應活力最大，說明它利用弱光的能力最強，有利於同化產物的積累，適宜於在遮蔭處生長。
  9. As for the numericial mthods we present a method using newton iteration and lp ( lift - projection ) iteration to slove inverse real symmetric eigenvalue problems. then wo can choose any starting points, then wo can get good starting value for the purpose of the preconditioning the numerical examples show the method is efficient and available

    對于數值演算法，將lp迭代和一般的newton迭代法結合起來求解含參變量的實對稱矩陣特徵值反問題， lp迭代預處理了newton迭代法的初始值，拓寬了newton迭代法初始值的選取范圍，數值例子也說明lp ? newton法具有較高的效率和實用性。
  10. Abstract : polyphenylacetylenes were synthesized by rn ( nbd ) cl 2 and wcl6 / ph4sn catalyst systems in n2 at room temperature. polymers with high yield and high molecular weight were obtained. their structures were characterized by uv, ir, nmr and gpc, respectively. the fluorescence of the polymer solution with different concentration was investigated using variable excitation wavelength from uv to visible region. the relation between fluorescence and polymer structure was studied. the results showed that the molecular chain structure has great influence on fluorescence of the polymers. the emitting peak wavelength of fluorescence for the polymer of high stereoregularity is independent of solution concentration and excitation wavelength. the emitting peak wavelength of fluorescence for the polymer with disordered molecular chain arrangement varies with changing the solution concentration and excitation wavelength, and different emission sites in molecular chains and low emitting yield are shown. the measurement and analysis of fluorescence spectroscopy of polyphenylacetylenes may provide some useful information to judge the molecular chain arrangement in some conjugated polymers

    文摘:使用有機金屬銠、金屬鎢/四苯基錫催化劑體系聚合苯乙炔，分別獲得了高產率和高分子量的聚苯乙炔.使用uv ， ir ， nmr ， gpc等分別對聚合物結構進行了表徵.採用不同波長的激發光對聚合物熒光性能進行研究，詳細分析了聚合物結構與熒光性能之間的關系.研究結果發現，不同聚合物結構對聚合物熒光性能產生很大影響，規整性高的聚合物，將有較高的發光量子效率；聚合物規整性差，將可能導致多個熒光發光結構點，其熒光強度降低.聚合物熒光光譜研究將對某些共軛聚合物結構的規整性分析提供一些有用的信息
  11. After the si photodiode was calibrated by synchrotron radiation, we can get the quantum efficiency of 5 to 50 nm bandwidth which made a transfer standard to spectrum measurement system

    Si光二極體用同步輻射標定后，得到了5 50nm波段的量子效率曲線，函蓋實際實驗使用的8 30nm波段，使光譜測量系統的標定有了一個傳遞標準。
  12. According to the current problems such as low quantum efficiency. limited available sun energy spectrum range, and inefficient recovery, resulted from the practical using of photocatalysis, using the narrowband semiconductor cds ( eg = 2. 5ev ) to compound with tio2 seems to be an effective solution. since it will not only enlarge the region of the absorption with the proper narrow band of cds but also improve the photodegradation efficiency on account of the band overlap of the two, which makes the photo induced electron and holes separate more easily

    本文針對光催化技術應用中存在的tio _ 2光催化量子效率低，吸收利用太陽能光譜范圍有限，催化劑回收困難等問題，通過窄禁帶半導體cds （ e = 2 . 5ev ）的復合，對納米tio _ 2進行了改性研究，一方面，由於cds的窄禁帶寬度可以擴展薄膜的光譜吸收范圍，另一方面，由於能帶的交疊，提高了光生電子和空穴的分離效率，從而提高了薄膜的光催化降解效率。
  13. Our result shows that the rce detector based on this system has very high quantum efficiency and extremely sharp resonant response peak ( 16 mev )

    我們的結果顯示， 1 . 3 m左右rce探測器具有很高的量子效率和非常窄的共振響應峰（ 16mev ） 。
  14. . status of ega system in the governments of the prefectural cities besides keeping identical politically with central government, the major function of the governments of the prefectural cities is to govern the economic and social issues in order to promote general development of local society and economy, then to consolidate political foundation of the party and the country resulting in the implementation of central policies and administrative function

    把地市級政府電子政務系統建設放在相對重要的位置，加強其系統建設，不僅有助於深入促進我國政府職能向服務型轉變，而且有助於充分發揮基層政府電子政務系統的服務功能，真正提高政府為民服務的質量與效率。
  15. The detector was characterized to have a cutoff wavelength at 340 nm and the photo - responsivity measurements on the pixels result a uv response as high as 0. 15 a / w, corresponding to an external quantum efficiency of 54. 8 % in the visible - blind spectral ranging from 400 down to 250 nm

    該肖特基光電二極體陣列的光譜響應截止邊為340nm 。在400nm至250nm的紫外光盲區域，光電響應測試顯示該器件在截止邊波長處具有0 . 15a / w的高響應度，相對應的外量子效率為54 . 8 。
  16. Trusted third party is introduced into this system to make it capable of tracing e - cash and the withdrawer. currently the divisible e - cash system uses binary tree algorithm or ( n, k ) payment algorithm

    現有的可分電子現金系統使用二叉樹演算法或（ n ， k ）支付問題演算法，存在演算法復雜，傳輸數據量大，效率低等問題。
  17. It is electronic inverter that realizes constant frequency output. so the power system has advantages of facile maintenance, high quality of output, high efficiency, flexible structure et cetera, and makes both start engine and generating electrical power dual function possible. now it has become an important research direction of aero - power

    由於採用電子裝置來實現輸出頻率的恆定，因此電源系統具有易於維護、電源質量高、效率高、結構靈活等優點，並能實現起動發電雙功能，目前已成為航空電源中一個重要的研究發展方向，而且隨著電力電子技術與元器件生產工藝的不斷發展，變速恆頻電源具有廣闊的發展前景。
  18. Laser diode end pumped solid - state laser has many advantages, including high efficiency, high frequency stability, narrow fine width, long lifetime, compact configuration, convenient for use et al, which made her a necessity in many high level quantum optics experiments

    激光二極體端面泵浦的固體激光器具有效率高，頻率穩定，譜線窄，壽命長，結構簡單，使用方便等優點，使其成為許多高水平的量子光學實驗的主要光源。
  19. Switch mode power supply, with its compact volume, small weight, high efficiency and good line regulation, has been widely applied in most of electronic fields

    開關電源（ switchmodepowersupply ）由於具有體積小、重量輕、效率高、輸出穩壓范圍寬等優勢，被應用於各種電子、電器設備領域。
  20. Therefore, to study of logistics, especially to make a systematic study of the modern logistics under the electronic commerce ' s environment is having a very deep meaning in developing our national modern logistics, lowering the circulation cost, amplifying the enterprise ' s competition capacity and improving the operation quality and efficiency of economy

    因此，對物流的研究，尤其對電子商務環境下現代物流的系統研究對發展我國現代物流，降低商品的流通成本，增強企業競爭力，提高社會經濟運行質量和效率，具有深遠的意義。
分享友人
分享到 Line

分享到臉書