正微子 的英文怎麼說

中文拼音 [zhēngwéizi]
正微子 英文
positrino
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 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...
  1. The results showed that the mean proportion of polymorphic loci ( ppb ) of anabasis aphylla, which comprised 3 subpopulations ( 58 individuals sampled ), generated by 16 primers was 94. 56 %, the value of ppb of ceratocarpus arenarius, which had 4 subpopulations ( 80 individuals sampled ), using 16 primers was 98. 00 %. the paper had proved that the higher genetic diversity and the genetic differentiation existed in the populations of boih anabasis aphylla and ceratocarpus arenarius, while the latter had much more genetic diversity than the former. moreover, the study discussed the shannon information index and nei ' s gene diversity index of the two species natural populations, which indicated that there were more genetic variations within the subpopu

    另外，通過rapd資料的聚類分析及相關性分析研究，發現無葉假木賊和角果藜自然種群的遺傳結構與綠洲沙漠過渡帶的微生境生態因子（主要是土壤因子）相關，其中無葉假木賊亞種群遺傳多樣性水平不僅與土壤含水量（ w ） 、鉀鈉離子濃度（ k + na ）和氯離子濃度（ cl ）呈顯著的正相關（ p 0 . 05 ） ，還與土壤中有機質（ som ） 、全氮（ nt ）和全磷（ pt ）含量呈顯著的負相關；同時，角果藜種群的遺傳多樣性水平與土壤中有機質（ som ）和全氮（ nt ）含量呈顯著的正相關，而與co _ 3 ~ （ 2 - ）濃度呈顯著的負相關；除此之外，其它土壤生態因子與兩物種遺傳多樣性水平的相關性均不顯著（卜0 . 05 ） 。
  2. And then, metal structure with aspect ratio 30 was obtained in our laboratory. eventually, a few micro parts with high aspect ratio were fabricated by liga process under the optimum condition. there were key parts of micro thruster, netlike nickel antielectron modulator, micro copper radiator, stainless steel micro components and many filter mediums with different shapes and dimensions

    最後，我們利用liga技術加工的獨特優點，以發展其高深寬比技術的實際應用，先後製作了狹縫陣列鎳結構微推進器關鍵部件、薄壁網狀多孔鎳結構正電子慢化體、微型銅結構換熱氣和多種材料不同、尺寸各異的過濾介質，還結合利用liga技術和微細電火花技術的加工優點，製作出了不銹鋼微結構
  3. Third, it is this " moment " of the segment of space - time which based on the the philosophy of the nature and describing the mechanical movement that symbolize the transform from the view of integralization in classical atomism of mathematics to the view of integralization of modern real number

    另外，正是基於新的自然哲學的、作為描述機械運動的時空片段的「瞬」標志著古典數學原子論的積分觀向現代的分割實數連續統的積分觀的轉化，而現代數學的微分概念更是直接源於描述機械運動的速度和與運動軌跡密切相關的曲線的切線問題。
  4. In some kinds of beta decay, a nuclide loses surplus positive charge by emitting a positron ( in the same event, a proton becomes a neutron, and neutrinos are also given off )

    以某種貝它衰減，一個核素靠發出一個正電子失去剩餘正電荷（在相同的事件中，一個質子變成一個中子，而且也發射微中子） 。
  5. We can see from the photos of the sem that the diameters of the powers of this tree land of materials obtained by the system of trion x - 100 / caprylic alcohol / cyclohexane / water are about 20 nm. by means of uv - vis, atomic absorption spectrometry and so on, nanoparticles of this three kind of anode materials are synthesized

    利用trionx - 100 /正辛醇/環己烷/水反膠束體系制備出三種物質的粉體，掃描電子顯微鏡照片顯示粒子的粒徑在20nm左右，分佈均勻；此外還利用uv - vis 、原子吸收光譜等測試手段，都表明合成出了三種正極材料的納米粒子。
  6. The research status of the world diesel exhaust aftertreatment technology is summarized systemicallyo at the same time, the development status and problems about oxygenation catalysis converter and particulate filter are analyzed on the basis of mentioned informations, we bring up a diesel exhaust cleanse system, that adopts the technique course of catalysis conversion combining particulate collection and regeneration the system collects exhaust particulate by means of efficacious filtering material it can oxidize ho co and macromolecule solvable organic via catalyst and diesel oil additive enhanced temperature will partly oxidize collected particulate and ultimately achieve the aim of exhaust reduction, after processing system frame design and trial matching, it ' s detected that the system can surely cleanse gas exhaust and particulate in addition, gas - ejected combustion - supporting regeneration for diesel particulate filter is also researched, we have rudimentarily designed the software and hardware of the g as - ejected combustion - supporting system having processed a series of trials, we discover the rules of the system credibly working these rules demonstrate the right direction for researching gas - ejected combustion - supporting regeneration technology

    本文系統地介紹了國內外柴油機排氣后處理技術的研究現狀，分析了氧化催化轉化器和微粒捕集器的發展現狀及存在的問題，以此為基礎，提出了一種柴油機排氣凈化系統，該系統採用催化轉化與微粒捕集及再生相結合的技術路線，通過過濾材料的有效過濾，將排氣中的微粒進行收集，藉助于催化劑和柴油添加劑使排氣中hc 、 co及高分子可溶性有機物氧化，產生的高溫使得收集到的微粒部分氧化，從而達到降低排放的效果。通過系統結構設計和試驗匹配，實現了對氣體排放物和微粒的凈化。同時，論文中還進行了柴油機微粒捕集器噴氣助燃再生的研究，初步設計了噴氣助燃系統，進行了控制系統軟、硬體的開發，通過正交試驗，摸索出了噴氣助燃系統可靠工作的一般規律，為噴氣助燃再生技術的開發提供了方向。
  7. Hydrolysis of polymers if often catalyzed by traces of acids or bases.

    正和它們的低分子量的類似物一樣，微量的酸或堿常能促進聚合物的水解。
  8. Whether the witch had read the minister s thoughts, or no, she came to a full stop, looked shrewdly into his face, smiled craftily, and - though little given to converse with clergymen - began a

    不管那妖婆是否看出了牧師的想法，反正她一下子停住了腳步，機靈地盯著他的面孔，狡詰地微笑著，並且開始同她從不打交道的牧師攀談了起來。
  9. Slight spasm, full, chewing the cud. before and after

    一陣輕微的痙攣，肚子填得飽飽的，正在反芻。
  10. " certainly, women alone know how to dissimulate, " said monte cristo to himself, glancing at madame danglars, who was smiling on the procureur, and embracing his wife

    「的確，只有女人才知道怎麼裝模作樣。 」他自己心裏說，同時瞟了一眼騰格拉爾夫人，騰格拉爾夫人此時正在對檢察官微笑，然後他擁抱了一下他的妻子。
  11. By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent

    最後，本文還對絮凝動力學和絮體結構進行了研究，在前人研究的基礎上，針對高分子絮凝黃河泥沙，對絮凝過程作了一些符合試驗條件的假設，建立了顆粒碰撞頻率表達式，應用了顆粒數量平衡方程，從而建立了絮凝過程的動力學生長模型，模型計算結果與試驗數據對比表明，二者趨勢一致，在沒有使用經驗參數的情況下基本上能夠描述黃河泥沙絮凝過程中絮體數量和尺寸分佈的變化過程；對絮體結構的研究中，應用掃描電子顯微鏡和透射電子顯微鏡對絮體進行了觀察，將絮體分為絮粒、絮團和絮網三個不同的生長階段，通過假設顆粒結合位置符西安建築科技大學博士學位論文合正四面體，建立了絮體結構模型，計算得到的模型絮體分形維數基本與試驗中的實際絮體相符，在一定程度上能夠反映高分子絮凝黃河泥沙生成的絮體結構。
  12. In the end, the stability is discussed under the coulomb friction model, getting the normal force compensation method and the additive vibration control method, which are to stabilize the friction drive system to realize the controllability and stability, which is simple to realize in the micro manipulator

    並通過對coulomb摩擦模型的穩定性討論，得出正壓力補償控製法，即以穩定摩擦力驅動摩擦振子實現微操作手運動的可控性及穩定性的方法分析。通過數值方法驗證正壓力補償控製法的適用性，為微操作器的運動控制提出可行方法。
  13. I believe in its indivisibility, in the intimate connection between the newest bud of spring and the flicker in the eye of a patient near death, between the athlete in his prime and the quadriplegic vet, between the fetus in the womb and the mother who bears another life in her own body

    我相信生命的一體性，在初春的新芽和臨危病人眼前最後的一絲殘光之間，在正處於事業高峰的運動員和四肢癱瘓的病人之間，在安睡于子宮中的胎兒和用自己的身體孕育著另一個生命的母親之間，都存在著微妙的聯系。
  14. Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell, and the integral interference angles were measured. to observe more precise information, the experiment in the molecular beam should be taken, from which the differential interference angle can be obtained precisely. in this paper, the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam, based on the first - born approximation of time dependent perturbation theory, taking into accounts the anisotropic lennard - jones interaction potentials. the method of observing and measuring correctly the differential interference angle is presented. the changing tendencies of the differential interference angle with the impact parameter, velocity, and et al. are discussed

    分子內部轉動傳能的靜態池實驗觀察到了碰撞量子干涉效應（ cqi ） ，並且測得積分干涉角，為了獲得更加精確的分子內部轉動傳能的碰撞量子干涉效應信息，實驗就必須要採用分子束實驗進行.本文理論上採用各項異性相互作用勢，應用含時微擾理論的一級波恩近似，假想在分子束實驗的條件下，建立在原子-雙原子分子體系中碰撞量子干涉的理論模型.理論上推導出微分干涉角具體表達式，通過計算定性地討論了微分干涉角隨著碰撞參數、速率等的變化趨勢，同時初步探討了實驗的正確觀測途徑，得出了採用分子束進行實驗觀測的實驗方法，為進一步進行分子束實驗提供了理論基礎，對實驗的進行起到了一定的借鑒作用
  15. The instrumentation industry is undergoing a variety of exciting changes as a result of the rapidly development of computer techno logy micro - electronics technology and communication technology

    隨著計算機技術、微電子技術和通訊技術的迅速發展，儀器工業正在經歷一場巨變。
  16. Abstract : positron spectroscopy is a new and sensitive microanalytical probe for characterization of polymer microstructures. we report recent advances in this area, including studies on the free volume properties, structural transition, miscibility of blending polymers, physical aging, doping of functional polymers, interfacial interaction of multiphase polymers, etc

    文摘:簡要介紹了近年來正電子譜學在聚合物微結構研究中的主要應用及進展.大量實驗事實表明，正電子譜學是表徵高聚物微結構的極靈敏方法
  17. This paper makes a further analysis of the traditional opinion about ampere force that is the macroscopic showing of lorentz force, and it demonstrates that microscopic nature of ampere force is composition of electric field forces applied by hall electric field which is caused by lorentz forces for the positive ions at the crystal lattice of the conductor in magnetic field

    摘要對安培力是洛倫茲力的宏觀表現的傳統說法進行了深入剖析，指明了安培力微觀本質是由於洛倫茲力而引起的霍爾電場對磁場中載流導體的晶格正離子施加的電場力的合力。
  18. Both the effect of substrate deformation and the state of large deflection of the microbridge are involved in the theoretical expression. furthermore, the distribution of axial stress in the micro bridge is discussed in detail by taking different shapes of cross section into consideration. and a shape factor is introduced into the expression, which simplifies the theoretical expression

    理論上對薄膜微橋法的公式進行了進一步的化簡，在考慮襯底變形貢獻和大撓度的基礎上，進一步探討了微機械加工過程中不同橫截面形狀的情形；並對矩形和梯形截面微橋的軸向應力分佈作了分析，補充和發展了薄膜微橋法的理論；引入了橫截面形狀修正因子，簡化了公式的表達和計算。
  19. Positrons and neutrinos are produced during the process, and are the telltale trace of the nuclear fusion reaction inside the sun

    V ，那就可以和另外一粒質子結合，釋放能量。這過程產生正電子及中微子，它們是太陽內部核融合反應的印記。
  20. Epc services provided by edri gained various awards : suzhou fukuda metal co. ltd. gained the first silver key award for epc projects in 2002 ; the phase ii expansion of sts gained copper key award for epc projects in 2004

    Edri的總承包的技術水平，目前在國內處于領先地位，可以獨立完成1級的高等級凈化室，如電子55所的一級潔凈室和深圳方正微0 . 1 10級潔凈室。
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