超子對產生 的英文怎麼說

中文拼音 [chāoziduìchǎnshēng]
超子對產生 英文
hyperon pair production
  • 超 : Ⅰ動詞1 （越過; 高出） exceed; surpass; overtake 2 （在某個范圍以外; 不受限制） transcend; go beyo...
  • 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...
  • 對 : Ⅰ動詞1 （回答） answer; reply 2 （對待; 對付） treat; cope with; counter 3 （朝; 向; 面對） be tr...
  • 產 : Ⅰ動詞1 （人或動物的幼體從母體中分離出來） give birth to; be delivered of; breed 2 （創造財富; 生...
  • 生 : Ⅰ動詞1 （生育; 生殖） give birth to; bear 2 （出生） be born 3 （生長） grow 4 （生存; 活） live;...
  1. Using cd, cu, zn and cr as experimental toxicants and crucian as experimental creature, we employed the environmental biotechniques ( flame atomic absorption spectrophotometry, the method of improved pyrogallol autoxidation and electron microscopy ) to study the acute toxicity and secure concentrations of heavy metals to crucian ; the accumulation and distribution of mixed heavy metals to fingling crucian ; the activities of superoxide dismutase ( sod ) of gill and liver tissues and the hispathological and ultrastructural change of superfine structure of liver and kidney of crucian after cadmium exposure. through which, we intended to fully and systemically study the toxic influence of heavy metals to fish, and preliminarily discuss the influence of heavy metals pollution to the diversified level of fish such as individual, organ, tissue, cell and molecule. thus we tried to provide scientific evidence to establish preventative management measures, avoid and relieve the harm of heavy metals pollution to aquicolous ecosystem in time

    隨后以這幾種重金屬作為實驗毒物，以鯽魚為實驗動物，應用環境生物技術、火焰原子吸收分光光度法、鄰苯三酚自氧化法、透射電鏡等技術研究了重金屬cu 、 zn 、 cd和cr對鯽魚的急性毒性及其安全濃度評價、混合重金屬在鯽魚幼體組織內的積累和分佈、 cd對鯽魚鰓和肝臟中sod活性的影響、 cd對鯽魚肝細胞和腎細胞超微結構的影響等，全面和系統地研究了水環境中重金屬暴露對魚類的毒性影響，初步探討了重金屬污染對魚類的個體? ?器官? ?組織? ?細胞? ?分子等各水平層次的影響，為制定漁業生產上預防性的管理措施提供科學依據，及時避免或減輕重金屬污染對水生生態系統造成的損害。
  2. Based on the research of the characteristics of piezoelectric ceramic, this paper presents the analysis of the movement of the stator surface points and work principle of motor. this paper describes a theory about the influence of the ultrasonic vibration on the frictional properties of ultrosonic dring, and finds that the horizontal vibration produces friction driving force and vertical vibration affects horizontal driving effect

    並且對行波型超聲波電動機的減摩現象進行了研究，發現在接觸區定子表面上一點的水平振動產生摩擦驅動力，垂直振動只起影響水平驅動效果的作用，得出垂直方向超聲振動具有減振作用是引起超聲驅動動摩擦系數降低的原因。
  3. As being superfluid, particle current in bec is irrotational and this makes that its respondence to rotation is different from rotating as a whole for usual fluid and is to form a vortex or vortex lattice

    作為超流體， bec中的粒子流是無旋的，這使得它對旋轉的響應異于普通流體的整體轉動而產生渦旋或渦旋晶格。
  4. When the iliquidity risk was not included in the test, the size effects was proved to exist in china ' s stock market. from the reality of china ' s stock, it is believed that the abnormal return can be accounted for by the illiquidity risk caused by manipulation. to verify the hypothesis, the turn - over rate, fluctuation of turn - over rate, the rate were introduced into the study. this study provided a joint test of the factors above

    這表明在我國的股票市場，小公司效應與投資環境有關，在時間上與管理層對股票市場的政策變化有較高的相關性。在不包含流動性風險的時候，對股票的超額收益與其規模因子進行分析，發現股票表現出小公司效應。筆者從中國股票市場的實際情況出發，認為小公司效應的存在是由於超額收益沒有考慮到市場操縱而產生的流動性風險。
  5. First, this paper gives an introduction of some methods of unequal probability sampling, their estimators and variance estimators, including sampling with pps with replacement, methods of sampling without replacement suggested by brewer, durbin, sampford, des raj, murthy, rao - hartley - cochran. then, at the basis of rao and bayless ' s study, we consider that population can be splited two random subpopulations, which are respectively drawn from different infinite super - populations, and compare the stabilities of estimators of the methods that given above. we find that the minor difference between two super - populations has great effect on the efficiency of the estimators for the population with moderately large coefficient of variation ( c. v. )

    本文首先從理論上介紹了若干種不等概率抽樣方法，它們的估計量、估計量的方差及其估計，其中包括有放回ppz及pps抽樣，不放回不等概率抽樣中的brewer 、 durbin 、 sampford 、 desraj ， murthy 、 rao - hartley - cochran等人的方法；其次，在rao和bayless兩人就樣本單元數n = 2的情形對上述抽樣方法進行比較的基礎上，將總體隨機地分成兩個子總體，視每個子總體取自不同的線性超總體，在文中，我們利用計算機實現隨機分組，並通過畫圖比較各方法估計量的穩定性，結果表明，對變異系數c . v . （ x ）較大的總體而言，兩個超總體之間的微小差異將對估計量的穩定性產生很大的影響，從而說明rao和bayless的比較結果還不夠完善。
  6. And we obtain their annihilation operator and creation operator by improving canonical transformation to harmonic oscillator ' s annihilation operator and creation operator. more, we generalize supersymmetric harmonic oscillator space. in this space, we construct two kinds independent phase operators by improving supersymmetric annihilation operator and supersymmetric creation operator, and then obtain their eigenstates

    我們進一步將它推廣到用超對稱諧振子的產生算符和湮滅算符來構造適用於超對稱諧振子的雙摸相位空間里的二類獨立的相位算符並相應地求出了其歸一化的本徵態。
  7. This article is aimed at introducing the generation principle of fine structure and hyperfine structure of atomic energy level, with its experimental result improved, designed and illustrated

    介紹了原子能級的精細結構與超精細結構的產生原理，對研究原子能級精細結構的兩個實驗作了改進、設計及說明。
  8. Siemens is supplying a twin main drive with cylindrical - rotor synchronous motors, which, at 40 revolutions per minute, will produce a rated output of 8000 kilowatts and is designed for an overload of up to 275 percent

    西門子提供一對帶有鼓形轉子同步電動機的主驅動，每分鐘40轉，將產生8000千瓦的額定輸出，適合超載量達275 % 。
  9. Taking the composite insulator as a measurement sample, knowing the waveform conversion condition on the boundary, only a conventional longitudinal testing probe is needed to measurement transverse wave produced by grazing incidence longitudinal wave

    以復合絕緣子為測量樣品，為提高測量橫波的精度，根據超聲波在邊界上的波型轉換條件，使用常規縱波探頭對由掠入射縱波產生的橫波進行測量。
  10. The equipment adopts screw slip - joint. it mainly separats arganic materal, colloid, utrasmall particle, bacterium. it has good effect on cleaning, sterilizing and conecntrating big - molecule material

    本廠生產中空纖維超濾組件採用螺紋活接形式，主要以分離有機大分子物、膠體、超微粒子、細菌等為主，對深度降濁、澄清、除菌和大分子物的濃縮等具有非常卓越的效果。
  11. The equipment adopts screw slip - joint. it mainly separates arganic materal, colloid, utrasmall particle, bacterium. it has good effect on cleaning, sterilizing and xomecntrating onecntrating big - molecule material

    本公司生產中空纖維超濾組件採用螺紋活接形式，主要以分離有機大分子物、膠體、超微粒子、細菌等為主，對深度降濁、澄清、除菌和大分子物的濃縮等具有非常卓越的效果。
  12. Streptomyces tenebrarius a04, the producer ( with a titer of 2874u / ml ) of single component of nebramycin ? apramycin was studied in this paper. after treatment of spore suspension and mycelia shivered by supersonic with mutagen, combined with the application of screening models, some stable high yield apramycin - producing strains ( with a fermentation titer of 4800 - 5200u / ml by shaking flask ) such as a2 - 23, a2 - 30, asm6 and al - 16 were obtained

    本文以尼拉黴素單一組分?安普黴素產生菌s . tenebrariusa04 （發酵單位為2847u ml ）為出發菌株，通過對單孢子懸液和超聲波破碎菌體的誘變處理並復合篩選模型，獲得了遺傳特性穩定的單組分高產菌株： a2 - 23 、 a2 - 30 、 asm6 、 a1 - 16 ，搖瓶發酵單位達4800 - 5200u ml 。
  13. Objective and significance : in this study, tetraselmis tetrethele was used as experimental material for studying the effect of compensation and overcompensation and its regularities on physiology and biochemistry

    目的和意義：本研究以四列藻為材料，對其在環境因子脅迫下產生補償和超補償作用進行了探討和研究，同時，對其在補償生長過程中細胞生理生化等方面的一些變化規律進行了揭示和闡述。
  14. This thesis is devoted to studying those issues relevant to the interaction of ultra - short ultra - intense laser pulses with overdense plasmas, including the generation and transport of relativistic electron beams, the generation of quasistatic magnetic field, the energetic ions production, and the influence of preplasma on electrons acceleration

    本文的研究目的是：利用粒子模擬方法，對超短超強激光脈沖與高密度等離子體相互作用中高能強電流的產生和輸運、準靜態磁場產生、高能離子產生等物理過程進行研究。
  15. Recent progress in ultrafast optics has allowed the generation of ulfcraintense light pulses comprising merely a few field oscillation cycles. the arising intensity gradient allows electrons to survive in their bound atomic state up to external field strengths many times higher than the binding coulomb field and gives rise to ion - ization rates comparable to the light frequency resulting in a significant extension of the frontiers of nonlinear optics and ( nonrelativistic ) high field physics

    隨著超快光學技術的發展，僅含幾個振蕩周期的超強脈沖已經能產生，且其強度梯度可使電子存在比庫侖束縛場高許多倍的外場產生的原子束縛態上，並產生了同光頻相差不大的電離率，從而促進了非線性光學前沿及非相對論的強場物理的延伸。
  16. What is the theory of high - tc superconductivity ? what interactions can successfully pair electrons

    高溫超導的理論是什麼？產生電子對的相互作用是什麼？
  17. Since the concept of superlattice was proposed, vertical transport in superlattice has been investigated widely. the electric field domains and current self - oscillations which result from sequential resonant tunneling between different subbands of the superlattice are very significant phenomena. such kind of oscillation can be uesd to make tunable microwave oscillaors. in this thesis, low temperature transport problem, especially the formation of field domain and the condition of current self - oscillations in doped gaas / alas superlattice with weak coupling are investigated thoroughly and also by combining the macroscopic model with the microscopic one., the voltage - current characteristic and the current oscillation are simulated. the calculated result is nearly consistent with the experimental data

    由超晶格中子能級之間的順序多阱共振隧穿引起的電場疇及電流自維持振蕩現象是其中的一個非常有意義的分支，該現象可用來製作電壓調諧微波振蕩器。本論文對弱耦合摻雜gaaa alas超晶格中的縱向輸運特別是針對低溫下的場疇的形成和固定偏壓下電流自維持振蕩產生的條件進行了深入的探討，並結合宏觀模型和微觀模型對超晶格在時變電壓作用下的電壓-電流特性以及固定偏壓作用下的電流特性進行了模擬計算。
  18. Inhibition of ros activity by catalase, n - acetylcysteine or diphenylene iodonium abrogated low k + - induced increases in the - subunit promoter activity, 1 - and 1 - subunit polypeptide abundance, and binding sites of na, k - atpase, indicating the role of ros in the effect of low k +

    抗氧化劑nac與catalase 、 dpi能抑制低鉀的作用。提示ros產生與細胞膜nadph氧化酶有關。進一步研究表明， h2o2 ，而非超氧根離子參與了低鉀對鈉鉀atp酶的調節。
  19. Based on the phenomenon, this paper introduces the multiple mega - sub controlled frame and its step design method, it can be generalized as the following approach : first, we look for the optimal stiffness of the sub structure to control the deformation of the mega structure under the wind load. second, we optimize the parameters of the turned mass damper ( tmd ) which are installed in the sub structure to have the acceleration be controlled, and then we realize the overall objective. at last this paper uses the ecpm method to optimize the parameters of tmd and utilize simulink to simulate the dynamical response

    本文利用等效最優理論（ ecpm ）對tmd的參數進行了優化，利用simulink對復合結構進行了動態模擬，結果表明：附加安裝在子結構上的tmd並不會對主結構的動態特性產生大的影響，復合結構和減振結構一樣都可以較好的控制主結構位移響應，而且復合結構經優化后的tmd還較好的控制了子結構加速度響應，所以復合結構體系既可以提高結構的安全性，又可以滿足舒適度的要求，從而證明了本文提出的巨型框架復合減振結構是一種理想的超高層建築結構形式，其將具有廣闊的發展前景。
  20. Physicists know that in both types of material, the superconductivity is caused by electrons pairing up and gathering en masse in a single collective quantum state

    在這兩種超導體材料中，超導電性是由於電子成雙成對地集結在單一的量子態所產生，這是物理學家已知的部份。
分享友人
分享到 Line

分享到臉書