重原子效應 的英文怎麼說
中文拼音 [zhòngyuánzixiàoyīng]
重原子效應
英文
heavy atom effect- 重 : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
- 原 : Ⅰ形容詞1 (最初的; 原來的) primary; original; former 2 (沒有加工的) unprocessed; raw Ⅱ動詞(原...
- 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...
- 效 : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
- 應 : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
- 效應 : [物理學] effect; action; influence
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After entry of wto, there are still many maladjustments in guangxi ' s seed industry, such as the weak foundation of sees industry development ; the unformed market of the seed industry for fair competition ; small - scale seed enterprises ; no systematic connection among the cultivation, breeding and marketing ; lower qualification of staff who work in the seed industry and with weak sense of laws, and lack of the knowledge in operating experiences in the international market and trade etc. yet the un - efficiency system, unclear property right in enterprises, the lack of an effective mechanism to promote the rational use of resources in the seed industry and the lack of such concept as " the government creates environment and enterprises create fortune " are the deep - seated causes of the problems in guangxi ' s seed industry. therefore, the key points for promoting development of guangxi ' s seed industry under the wto framework are to focus on the promotion of the developing capability of seeds " integrated products, constantly deepen reforms, to adjust various relevant factors in the system of the seed industry which is inconsistent with each other, and to establish a new - pattern system with evident characteristics of the time spirit in order to meet the requirements of the market economy. hereinto, the specific strategies and measures for promotion of guangxi ' s seed industry development under the wto framework include kee ping up reform and innovation of the system of the seed industry, executing of non - nationalization reform in state - owned seed enterprises, formulating and executing relevant supporting policies, the improving the legal system in the seed industry, increasing public financial support on the seed industry, promoting the integration of cultivation, breeding and marketing, strengthening human resource development, developing the main body of the seed industry ' s market and making proper conditions for the functions of seed associations in the seed industry development etc
研究結果認為:發展種子產業應該把著眼點放在促進種子整體產品的開發上;種子產業的發展依賴于能充分發揮整體功能的新型種業體系的構建,而目前廣西種業體系中的品種選育、種子生產加工、種子經營以及政府管理、公共支持和社會服務六個主要組成部分都存在明顯的缺陷與不足;廣西種子企業綜合競爭力總體處于較弱水平;面對wto ,廣西種子產業仍有諸多的不適應,突出表現在產業發展基礎薄弱、尚未形成可以公平競爭的種業市場、種子企業規模小、育繁銷脫節、種業人才素質不高、種子企業法律意識淡薄、國際市場運作經驗和國際貿易知識不足等多個方面,而體制不順、企業產權不明晰、缺乏促進種業資源合理流動的有效機制以及「政府創造環境,企業創造財富」的正確理念正是導致目前廣西種子產業不能適應入世需要的深層次原因;因此,以提升種子整體產品開發能力為核心,不斷深化改革,調整種業體系中不相協調的各有關因素,構建起符合市場經濟體制要求的具有鮮明時代特徵的新型種業體系,是wto框架下加快廣西種子產業發展必須堅持的指導思想;其中,加快種業體制改革和創新、實施對國有種子企業的非國有化改造、制訂落實有關扶持政策、完善種子法律法規體系、加大公共財政對種子產業的支持力度、推進育繁銷一體化的形成、加強人才培養與引進、壯大種業市場主體、實行重點突破戰略、發揮種子行業協會作用等等,都是wto框架下加快廣西種子產業發展應該採取的具體對策措施。The negative photoconductivity effect was found in the dimixing phthalocyanine composites. the experiment results indicated that the negative photoconductivity effects were closely related with the partial charge transfer from the center metals to phthalocyanine rings, and the separation efficiency of photocarriers was a key factor to the photoconductivity
結果表明,共混復合后,其光電導性能表現出負效應,並發現酞菁中心金屬與其相連的氮原子之間的部分電荷轉移是引起復合體系光電導性能變化的根本原因,同時復合體系中的電子空穴對的分離效率是影響光電性能的一個重要因素。In particular, they focused on the raman effect, a process in which the wavelength of light lengthens after it scatters off atomic vibrations
他們的研究重點集中在拉曼效應,也就是當光經由原子震蕩而散射時,光波波長增加的過程。21 " s century is the century of ecology together with sustainable development, is the century of mankind lift environment quality of dwells among the entire system of dwells environment, it is a significant sub system that student resides district in university implement the strategy that our country is developed vigorously in science and technology education, and possess more and more young man to go away into the university school grounds, but student resides district environment improvement and the ecology technique application possess the important sense the dissertation based on living to sum up the history course of change and development of student resided district in home and abroad university and the ecology architecture theories, and analysed the problem on the ecology environment of student resides the district o the relationship that the improvement of dwelld environment in university together with the establishment of ecology view and ecology technique application was elaborateed by the dissertation, and stressly analysed plan - design of ecology technique rule the dissertation obtained the conclusion ought to adopt to " appropriate technique " ecology design measure in student resides district at the moment our country, and not only be able to thrift investment but also be able to acquire well ecology benefit
在人居環境整個大的系統之中,高校學生住區是一個重要的子系統。隨著我國科教興國戰略的實施,有越來越多的年輕人走進了大學校園,而學生住區環境改善和生態技術的應用就有著多重的意義。論文在總結了國內外高校學生住區的歷史沿革和生態建築學理論的基礎之上,分析了我國高校學生住區在生態環境上存在的問題,闡述了高校學生住區的人居環境的改善與生態觀的建立與生態技術應用的關系,重點分析了高校學生住區整體規劃和單體設計的生態技術原則,從學生住區的結構文脈、公共交往空間、整體居住環境、規劃的生態方法、單體的綜合生態技術應用、地下空間的開發利用、生態景觀設計等多個方面,提出了多項「適宜技術」的生態技術應用措施,得出了就目前我國的國情應在高校學生住區設計之初採用多種「適宜技術」的生態設計手段,既能節約投資又能取得良好生態效益的結論。The results show that when the concentration of hmi ( hg2 + ) in influent water is every low, the effect of hmi removal by wbaer from dk is much better than cations exchange resins. with cations ( ca2 +, mg2 + ) at high concentration in raw water, wbaer has better selectivity to hmi in water, however the selectivity of cations exchange resins is worse. the anions in raw water such as cl - which is able to react with hmi can make cations exchange resins lose the capability of hmi removal, but it has no effect on wbaer ( d301g )
結果表明:當進水中重金屬離子( hg2 + )濃度較低時,弱堿性陰離子交換樹脂對飲用水中hg2 +的去除效果要明顯優于陽離子交換樹脂;當原水中含有相對較高濃度的陽離子( ca2 + 、 mg2 + )時,弱堿性陰離子交換樹脂對水中的重金屬離子具有很高的選擇去除性,而陽離子交換樹脂的選擇去除性卻很差;天然原水中能與重金屬離子( hg2 + )發生絡合反應的陰離子(如: cl ) ,可以使陽離子交換樹脂喪失了對水中微量重金屬離子( hg2 + )的去除作用,而對弱堿性陰離子交換樹脂( d301g型)去除水中微量hg2 +的影響卻很小。Dendritic cells ( dc ) is the most powerful apc, which can markedly increase the antigen - presentation capacity by maximizing the pepitide - mhc complexes on the cell surface and upregulating the co - stimulatory ligands b7 - 1 and b7 - 2, adhesion moleculees such as il - 12 that promote full activation of lymphocytes. full activation of antigen - specific t cells requires two signals - one signal coming via the tcr and the other signal through engagment of co - stimulatary molecules. t cells receiving one signal via their tcr are turned off by mhc ( major histocompatibility complex ), via t cell cd28 binding to b7 on the dc induce tlymphokine and t cell proliferatiion
T細胞介導的細胞免疫在控制腫瘤生長方面發揮著重要作用, t細胞在發揮抗瘤效應(分泌細胞因子和直接殺傷)之前必須先經過活化,體內專職抗原提呈細胞( apc )細胞並使其活化,樹突狀細胞( dendriticcell , dc )為t細胞的激活提供雙重信號, t細胞藉助tcr識別由dcmhc分子遞交的抗原肽后,通過tcr - cd3復合體傳遞抗原特異性識別信號(第一信號) ,以cd28為主的t細胞表面輔佐分子識別dc表面b7分子,傳遞非特異性協同刺激信號(第二信號) ,在機體抗腫瘤免疫應答中處于核心地位。As protons or heavy nuclei, such as gold, are accelerated to nearly the speed of light, the quarks and gluons inside flatten into a pancakelike structure, a relativistic effect called lorentz contraction
當質子或如金原子核般的重核被加速到接近光速時,內部的夸克和膠子會被擠壓成如銅鑼燒般的結構,這是一種稱為勞侖茲收縮的相對論效應。4. the dipole squeezing of a a - type three - level atom interacting with a strong coherent field in a high - q kerr cavity is investigated. the effects of the kerr medium, the field - atom coupling coefficient and the detuning on the atomic dipole squeezing are discussed by numerical calculation
4 .研究了充滿高qkerr介質腔內強相干光場與a型三能級原子相互作用中原子的偶極壓縮效應,著重討論了kerr介質、原子與光場間的藕合系數以及失諧量對原子偶極壓縮的影響。Generation of new nuclear elements is an important symbol of the research ability of a country. theoretical study on such element, not only can help the rule for the considering of the relativistic and correlation effect in the many electron system, but also can give an identification for the validity of the. present theory in the limited case
超重元素合成的能力通常是國家科技實力的一個標志,而對于超重元素的理論研究不僅有助於研究如何在多電子原子中系統的考慮相對論和相關效應,還有助於檢驗現有理論在極限情況下的正確性和適用條件。These experimental results show that < q12 > is independent of the dimuon mass and logitudinal momentum, and imply the scattering of the incident quark within the target nucleus. by means of the glauber model, the difference of the mean transverse momentum squared < qt2 > is studied for the dependence of the incident proton energy and nucleus. the theoretical results are in good agreement with the fnal e772 experimental data
本文利用多重散射的glauber模型,討論了入射夸克在原子核中傳播的多重散射效應,給出了兩個不同的核drell - yan過程產生的末態輕子對橫動量平方平均值的差值對入射粒子能量核靶核的依賴性關系,計算結果與e772組的實驗數據符合甚好。The optical limiting properties of the materials are investigated by using nanosecond laser pulses. we find that skeleton atoms and terminal ligands with larger atomic number can improve the optical limiting power of clusters with the same structure via heavy - atom effect
研究了團簇材料的光學限幅特性,發現對于相同的結構的團簇,骨架上的原子序數較大的金屬原子或終端配位體能通過重原子效應有效提高光限幅能力。The squeezing of the field and atom intensively studied due to its practical application, the reference [ 16 ] presented the squeezing theory of quantum information for a high sensitive measurement of the squeezing effects of the field and atom
光場和原子的壓縮以其具有重要的應用價值引起了人們的廣泛研究。最近文獻[ 16 ]提出的信息熵測不準關系為高靈敏量度光場與原子的壓縮效應提供了新的理論根據。Squeezing effects of the atom, one very important quantum effect in its interaction with light have also attracted much attention due to its significance in decreasing the quantum noise caused by atomic movement
原子壓縮效應是原子與輻射場相互作用中呈現的重要量子效應。研究壓縮的原子對于了解減小原子行為的量子噪聲的途徑具有重要意義,因此該領域也受到人們的廣泛關注。By using the classical monte - carlo method, the splitting process of the guided atomic beam in the beam splitter is simulated, and the transverse adiabatic cooling and heating effects of the atomic beam in the beam splitter are simulated and analyzed from a simple theoretical model
同時,採用經典的monte - carlo方法,模擬了該原子分束器中被導引原子束的分束過程,研究了導引過程中原子束的橫向絕熱冷卻和加熱效應,並採用簡單的理論模型解釋了上述monte - carlo結果,得到了一些重要並且十分有趣的結果。Based on thomas - fermi theory, the effect of external electric field on atomic inner boundary potential was studied. the new atomic potential boundary condition with the influence of external electric field was established and the atomic energy and pressure were calculated with new boundary condition. the local effect of solute element under an electric field was analyzed with the electron shield model
在理論上,基於thomas - fermi理論,重點研究了電場作用對原子體系的內勢場邊界的影響,建立了外場作用下的原子勢場外邊界條件,並計算原子能量和壓強;基於電子屏蔽模型,分析了電場作用下溶質行為的局域效應。Abstract : the property in evolution of the interaction between coherent state, squeezed state and a two - level atom is discussed in the paper. some practical squeezing in the evolution is given
文摘:本文著重討論了在相干態、壓縮態光場與二能級原子的相互作用中某些物理量的演化特性.並找出了幾種具有實際意義的壓縮效應的演化過程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This dissertation is organized as follows. in chapter one, firstly we review the development of quantum optics, pointing out three features of quantum optics : coherence, nonlinearity, and quantity, next something of quantum entanglement is discussed, including the conception of entangled state and definition of the degree of the entanglement, at last, the j - c model of the interaction between the atoms and the optical fields. in chapter two, we introduce the concepts and properties of coherent state and shrodinger - cat state
本文首先回顧了量子光學的發展歷史,著重指出了量子光學的三個顯著特徵,即相干性、非線性和量子性,然後討論了量子糾纏方面的內容,包括糾纏態的概念及其度量? ?糾纏度等,最後闡述了原子與光場相互作用的理論模型j - c模型;第二章介紹了相干態和貓態的概念及性質;第三章的內容是兩糾纏原子與光場相互作用過程中光場的壓縮效應。The fundamental principle of this system is as follows. divide the incident beam into two beams, one of which passing through variable optical delay ( vod ), then combination of the two beams with the same amplitude and delay - superposition is sent to bi - photon detector and transformed into current signals, whose intensity is proportional to the intensity of bi - photon autocorrelation signals
本系統的主要原理是:把入射光分為兩束,讓其中一束光通過一個可調光纖延遲線,再把這兩束具有相同幅度並延時重合的光合路後送進雙光子探測器,該探測器同時吸收兩個光子發生雙光子效應從而產生電流信號,且其大小與雙光子自相關信號的強度成正比。It is one of the most important contents for the quantum optics to study on the dynamics and non - classical properties of the interaction between the field and the atom in the jaynes - cummings model with an intensity - dependent coupling
研究依賴強度耦合jaynes - cummings模型中光場與原子相互作用的規律及其非經典效應是量子光學的重要內容。分享友人