量子產率 的英文怎麼說
中文拼音 [liángzichǎnlǜ]
量子產率
英文
quantum yield-
Quantum yields for photoinitiation and photodecomposition are also low with mn.
採用Mn時，光引發和光分解的量子產率也很低。The knowledge of these initial collision is crucial for any theoretical treat - ment of a possible parton - hadron phase transition, the detection of which being the ultimate aim of all the efforts of co1liding heavy ions at very high energies. the parton model allows to calculate inclusive cross sections as a convolution of any elementary cross section with parton distribution functions, assuming that factorization works. the disadvantage is that tlle first interaction is coilsidered quite differently from the subsequent ones in case of multiple scattering
其它的弦模型在計算幾率時，忽略了入射能量在pomeron之間的分配，破壞了能量守恆，而且把pomeron作為全同粒子處理，即pomeron之間是不可區分的；然而在處理粒子產生時，這些模型雖然考慮了能量守恆，但是第一個pomeron的粒子產生與其它的pomeron很不一樣? ? pomeron在粒子產生時不是全同的。Fluorescence quantum yield
熒光量子產率Quantum yields for photoinitiation and photodecomposition are also low with mn
採用mn時，光引發和光分解的量子產率也很低。After the stolon had suffered from severing disturbance, clonal ramets could keep photosynthetic organ from being damaged through the plastic responses of the chlorophyll fluorescence traits, such as increasing nonphotochemical quenching of chlorophyll fluorescence ( npq ), decreasing actual photochemical efficiency of ps ii in the light ( f / fm " ) and photochemical electron transport rate ( etr ). moreover, the clonal ramets could also increase water use efficiency by means of decreasing stomatal conductance
在匍匐莖受到切斷干擾后，臭柏能通過提高非光化學猝滅（ npq ） 、降低ps實際光化學量子產量（ f fm 』 ）和表觀光合電子傳遞速率（ etr ）等葉綠素熒光特性的可塑性反應來保護小枝光合機構不被破壞，並且可以降低氣孔導度以提高水分利用效率。Back extraction by hno3 - hf and back extraction by concentrated hnch after lower the concentration of organic phase are studied, the method of back extration by hnorhf can not be used to icp - ms, because some zirconium is hydrolysis when hf is removed by heat. however, the method of back extraction by concentrated nitric acid after lower the concentration of organic phase can be used to icp - ms, the recovery is 93. 2 %, rsd % is 5. 24 %, the decontamination factor of uranium is 3. 2xl04, the detection limit of zirconium is 0. 04ng / ml. the method of tta extracting trace zirconium in uranium is firstly used to icp - ms, the result is satisfied, it can be used to determine zirconium in uranic production quickly and veraciously
本文通過研究hno _ 3 - hf反萃和稀釋有機相後用濃hno _ 3反萃這兩種分離方法，認為hno _ 3 - hf反萃由於在加熱去除hf時酸度不易控制，導致鋯的部分水解，因而此方法不宜用於icp - ms中，然而稀釋有機相後用濃hno _ 3反萃法用於icp - ms測量中，全程回收率為93 . 2 ，相對標準偏差為5 . 24 ，鈾的一次去污因子為3 . 2 10 ~ 4 ，鋯的測定下限為0 . 04ng / ml ，本文首次將tta萃取分離鈾中鋯用於icp - ms測量中，結果令人滿意，此方法適用於快速、準確測量鈾產品中微量鋯。During the process for production of inositol, the technological parameters and operation methods in several stages of preparation, acidolysis, neutralization, ion exchange and refining are very important factors influencing the quality and yield of products
摘要在肌醇的生產工藝中，原料預備、酸解、中和、離子交換、濃縮、精製幾個工段的工藝參數和操作方法，對產品的質量和得率影響很大。Methods : the contents of the elements including chromium were determined by atom absorption spectrophotometer, and the ability of ganoderma lucidum in enriching chromium and the yield ratio of mycelium ball were studied
方法利用原子吸收分光光度法測定了鉻等元素的含量，並對靈芝菌珠的富鉻能力、菌絲球的產率等進行了研究。Among inorganic salts tested, k2hpo4was more essential to the sclerotia formation and carotenogenesis of strain pt9s than kcl, mgso4 or feso4 it was also shown that the combination of k2hpo4, kcl and mgso4 could produce the best positive cooperation and give the highest sclerotia biomass ( 782mg / plate ) and pigment yield ( 328 g / plate ). all of five carbon sources, i. e
4 .研究了無機鹽和碳氮源對青黴pt95菌株菌核生物量和類胡蘿卜素產率的影響作用，結果表明:供試的4種無機鹽中， kzhpo ;的單因子效應最好; kzhpo4 + kci + mgs04表現出最好的正協同效應。The enterprise weiss r maschinenbau gmbh is well - known and engaged not only in crailsheim, but also in the specialized industries of its sphere of activity, with individual components production systems, final packing, set - up and at the same time with erecting, manufacturing and packing machines a competent partner
是一家現代化的、可靠的專門產品供應商，這家供應商從事完成，工作效率，對準、建立、安裝，裝備，良好的建築狀態，供給，首都、資金，電子束焊接，工程，工程效率，絕緣系統，輪胎成型、服裝批量生產，塗裝工程，從事貿易、做買賣，管式遠距離電信電路、管式遠距離輸電電路，鋼，廣告工作、廣告活動的製造、銷售。The present study was aimed to develop a solid - culture - based technology for easy and cheap propagation of p. delphacis f95129 inocula using small grains as substrate for fungal growth. sporulation capacity and timing pattern were relied upon to evaluate culture quality and identify potential factors to affect the quality. infectivity or virulence of inocula derived from the culture was assayed against the green peach aphid, myzus persicae ( sulzer ), based on time - dose - mortality modeling
針對這一普遍性的技術難題，本研究以飛虱蟲癘霉f95129菌株為對象，以黍米、粟米為基本材料，探索建立簡便易行的侵染體繁殖技術體系，並對培養物進行了產孢潛能及其影響因子的評價以及針對桃蚜（ myzuspersicae （ sulzer ） ）的侵染性測定和時間?劑量?死亡率模型模擬。Mean, variance, standard deviation, coefficient of variation of fourteen vital morphological characters indicated that great diversity existed either among species or among populations, with cv ranging from 28. 89 - 122. 36 % ( except dtm, which has a cv of 4. 72 % ). correlation analysis indicated that il showed a significant positive correlations with pfk ll and lw ( p < 0. 05 ), but a negative correlation with nm ( p < 0. 05 ). there were also strong positive correlations between each other of ll, lw, la and sw
相關分析表明，節間長度與株高、葉長、葉寬呈顯著正相關，而與主莖節數呈顯著負相關；葉長、葉寬、葉面積、千粒重四個性狀相互之間存在極顯著正相關；干重和單株種子產量兩者之間存在極顯著正相關；出苗率與千粒重之間存在顯著負相關；生長習性與分枝數之間存在顯著正相關；全生育天數與生長習性之間存在顯著負相關。Cjae has established a perfect cad development platform for automobile electronic engineering, offering strong r d ability for new products. we have advanced smt mcm process, a complete quality inspection facility, as well as reliability testing device. we have developed 3 major series of over 30 varieties of high - quality automobile electronic products which are represented by automobile sensor, automobile edu electronic drive units and ecu
公司構建了完善的汽車電子工程cad開發平臺，具有良好的新產品研發能力擁有先進的smt mcm工藝生產線，完善的產品質量檢測可靠性試驗設施，開發了以各型車用傳感器車用edu功率驅動組件及ecu電子控制組件為代表的三大系列三十多個品種的高品質汽車電子產品，廣泛應用於國內各大汽車整車配套裝機和外貿出口。The innovation in this paper is list below ( 1 ) use rectangle - shape pipeline so that the inducing electromotive force could be enhanced ; ( 2 ) use alternating current whose frequency is adjustable to induce the magnetic ; ( 3 ) make the flowmeter intelligent by use the microprocessor ; ( 4 ) finish designing the ls flowmeter with utra - low power consumption
本文的創新之處在於採用矩形測量導管大大增加微流量條件下的感應電動勢；採用輸出頻率可調的正弦波電流作為勵磁電流達到消除50hz頻干擾和減少正交干擾的目的；利用單片機等高端現代電子產品實現了電磁流量計的高度智能化及設計出真正的超低功耗的、可用干電池長期供電的ls旋轉流量計。Their fluorescence emission properties were studied and their photolysis kinetics was investigated in different media by means of steady state photolysis method
考察了其熒光光譜特性，發現甲氧基苯甲酰亞甲基光產堿劑的熒光量子效率較低，而萘甲酰亞甲基光產堿劑較高。The green emitting gap has quantum efficiencies as high as 0. 6 % recorded for laboratory. present marketed units, however, have much greater than an order of magnitude less efficiency
按實驗記錄，發綠光的磷化鎵的量子效率高達0 . 6 % ，但目前請市售產品效率則低一個數量級還多The characterization on those nano sulfide qds are also presented in the thesis. as nanoparticles with core shell structure have much higher fluorescence quantum efficiency, base on cds of synthesis, some efforts have also been put into the experiment on synthesis of cds / zns core - shell particles
由於具有核/殼結構納米顆粒能夠實現較高熒光量子產率，在納米cds量子點制備的基礎上，本文對核/殼結構cds / zns量子點的制備工藝進行了初步的探索研究。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。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A new method of absolute calibration of photodetector sensitivity based on spontaneous parametric down - conversion ( spdc ) biphoton field is described. the process of spdc is studied theoretically. the single photon detection probability and two - photon coincidence probability are derived and the calibration principle for photodetectors is explained. an experimental system has been set up. the sensitivity of a photon - counting photomultiplier tube was measured, and the results were compared with those obtained using conventional method
討論了一種基於自發參量下轉換雙光子場絕對校準光電探測器靈敏度的新方法，著重推導了對自發參量下轉換過程中產生的單光子的探測概率和雙光子的符合速率，從而闡明了絕對測量光電探測器量子效率的原理.基於這一方法對光子計數型光電倍增管的響應靈敏度進行了測量，並將實驗結果與常規方法測得的結果進行了比較分享友人