lead of phase 中文意思是什麼

lead of phase 解釋
相位超前
  • lead : n 1 鉛，鉛製品。2 【航海】測鉛，測深錘，水砣。3 〈pl 〉（鋪屋頂的）鉛皮；鉛皮屋頂；【印刷】插鉛，...
  • of : OF ＝Old French 古法語。
  • phase : n 1 形勢，局面，狀態；階級。2 方面，側面。3 【天文學】（月等的）變相，盈虧；【物、天】相，周相，...
  1. As the cyclin dependent kinase, cdc2 may act at multiple levels during mitosis to repress ribosome biogenesis, which lead the biosynthesis to a relative silent phase, when the most of cell ' s energy expenditure is used in chromosome condensation, breakdown of the nuclear envelope, and formation of the mitotic spindle

    作為cyclin依賴激酶， cdc2的激酶活性在很大程度上抑制了細胞的合成代謝，使細胞的蛋白合成進入了一個相對的靜止期，而細胞主要的能量則被應用於細胞分裂時的染色體的濃縮、核膜的降解、紡錘體的形成等。
  2. Bismuth ruthenate and silver were selected as conductor phases and the mixture of calcium oxide - alumina - silicon dioxide ( cao - al _ 2o _ 3 - sio _ 2 ) glass and lead oxide - boron oxide - silicon dioxide ( pbo - b _ 2o _ 3 - sio _ 2 ) glass was selected as inorganic binder phases. it was found that, with the increasing of volume fraction of silver and conductor phase, sheet resistivities descend and there are critical thresholds

    實驗發現，隨著功能相百分含量的增加，電阻膜層的方阻值逐漸減小，存在兩個臨界閾值，電阻溫度系數偏向正值;功能相中銀百分含量增加，膜層的方阻值逐漸減小，有一個臨界閾值，電阻溫度系數偏向正值。
  3. ( 3 ) on interannual timescale, the changes in the sh ferrel cell lead to the anti - phase variation of the subtropical high and the circumpolar low, i. e., the antarctic oscillation ( aao )

    （ 3 ）南半球ferrel環流圈的異常使繞極低壓帶和副熱帶高壓帶的強度出現了反位相的變化特徵，即南極濤動。
  4. Determination of trace lead in high salt - containing samples by solid phase extraction column hyphenated with inductively coupled plasma mass spectrometer icp - ms

    電感耦合等離子體質譜聯用技術用於測定高鹽樣品中痕量的鉛
  5. In the present dissertation, some properties of sodium tellurite glasses, including density, chemical durability, stability against crystallization and fragility of glass forming liquid are studied. the melting, evaporation and solidification of sodium tellurite glasses in low gravity during drop shaft experiments are observed. except this, the phase - separation of lead borate glasses under different gravity condition is also studied

    本文亞碲酸鈉玻璃作為研究對象，系統探索了亞碲酸鈉玻璃的熔化條件，化學穩定性，玻璃抗析晶能力以及玻璃形成液體的脆性等問題，著重研究了na _ 2o - teo _ 2玻璃在落塔實驗中的熔化和氣化以及pbo - b _ 2o _ 3玻璃在落塔實驗中的分相，為解釋玻璃在不同重力條件下的熔化和分相等現象提供了理論依據。
  6. We found the " forward stimulated raman scattering " will be excited if the pulse length is greater than plasma wave length. the " forward stimulation raman scattering " decreases the phase velocity and the amplitude of the wake wave which will lead to the reduction of maximum kinetic energy of the electrons trapped

    結論是：當脈沖長度接近等離子體波長時，稀薄等離子體將發生「前向受激raman散射」 ，它使脈沖后沿拉長，導致尾流場的相速度變小，以至於被尾流場「捕獲」的電子最大動能大大下降。
  7. The major job is manufactured a transmitter, which has three upmixer channels. its function is to up convert the signals from c - band to ka - band. the input local oscillator is provided by a low frequency crystal oscillator which has a good performance of phase noise, through 512 times multiply to ka band. this sysetem is used in the laboratory as transmitter source of the fuze, for the multidimensional objects in practise, which lead to the complexity of the reflect signal, so the amplitude, frequency and the phase of the transmit signals both have a key role in dealing with the reflection signals. therefore, this system requires for both the coherence of the single channel ’ s amplitude, phase and multi channels

    本文的主要工作是應用戶要求製作一具有三發射通道的上變頻系統，可以將c波段的微波信號上變頻到ka波段的毫米波信號。系統的本振輸入基頻由一相位噪聲非常好的低頻率晶振提供，經過512次的倍頻放大至ka波段。本系統作為實驗室中引信的發射源，由於目標反射信號具有時變的多維性，反射信號變得極為復雜，在信號處理時，不僅信號幅值、頻率有決定意義而且相位關系也很有決定意義。
  8. Results of experiment show that the reason of strength decreasing of gypsum added with retarders is that the retarders reduce the supersaturation of liquid phase, and makes the crystal grain largen, and pore is followed to worsen, which lead to the strength drop to a large degree

    實驗結果分析表明：在摻加緩凝劑后石膏硬化體強度下降的原因在於緩凝劑降低了石膏的液相過飽和度，使結晶顆粒變大，使石膏的孔結構惡化，最終導致了宏觀強度大幅度下降。
  9. Lead design reviews with overseas equipment suppliers during the equipment fabrication phase and assist on - site validation and installations of the equipment

    在設備定製階段，和外國的設備供應商進行設計評估。並協助設備的現場驗證和安裝。
  10. 4. cuhk fully supports the use of renewable energy. the university took the lead in 2004 to complete the first phase of the installation of a solar - powered water heating system in the united college s cheung chuk shan amenities building

    中大十分支持利用再生能源，大學率先於2004年在聯合書院張祝珊師生康樂大樓完成第一期真空熱導管式太陽能熱水器工程，而第二期工程亦已於2005年完成。
  11. In the concentrated mineralization area, there are many types of pb - zn - ( ag ) deposits and gold deposits, it is one of bases of lead - zinc in china. in this area seafloor hydrothermal sedimentary ore deposits and hydrothermal sedimentary - rebuilded ore deposits are predominated. all lead - zinc - ( silver ) and gold deposits hosted in devonian sedimentary rocks, and orebodies of seafloor hydrothermal sedimentary deposits and hydrothermal sedimentary - rebuilded deposits draped in phase with stratum

    礦化集中區內主要的礦床類型是熱水沉積型和熱水沉積改造型，其中熱水沉積成礦作用形成的廠壩-李家溝礦床為超大型礦床，熱水沉積-改造型礦床有畢家山和鄧家山等大型鉛鋅（銀）礦床，礦床與中泥盆統地層整合產出，並同步褶曲。
  12. Phase i : 1950s 1980s. in this phase, humans ’ limited cognition of nature laws, increasing demands caused by population explosion and unreasonable utilization of natural resources lead to the sharp decrease of runoff volume and shrink of the lake area. the ebinur lake area change converses from the condition subordinate to nature to human activity

    即第一階段: 20世紀50 80年代末，此階段由於人類對自然規律認識的局限性，以及人口增長造成的需求增長，不合理利用水土等自然資源，導致入湖水量劇減，艾比湖呈現急劇縮小的趨勢，湖面變化從受控于自然條件向受控於人類活動方向轉變。
  13. In the system, the dipoles " appearance and parallel arrangement lead to occurrence of spontaneous polarization, which is the essence of ferroelectrics phase transition. the interaction between dipoles is long - distance coulomb force

    鐵電相變的實質是系統中電偶極矩的平行排列導致自發極化的出現，電偶極矩的相互作用是長程庫侖力。
  14. Because of the interaction, correlation of the potentials between dipoles comes into being in the critical region, and then lead to the occurrence of ferroelectrics phase transition

    在臨界區，電偶極矩的勢形成關聯，並最終導致相變的發生。
  15. The research evolvement of the phase transition of lead - free nbt - based relaxor ferroelectrics

    3基弛豫鐵電體相變的研究進展
  16. Seeing from the aspect of developing process, western landscape architecture has experienced three stages : ( 1 ) the exploring period. in this phase, the early modern art in europe and art nouveau lead to a reform in the aesthetic taste and configuration of landscape ; the park planning in europe and america opens the door to science for the modern landscape architecture

    從發展歷程的角度解讀，西方現代景觀設計大致分為三個階段： （ 1 ）現代景觀設計探索階段，歐洲早期現代藝術和「新藝術運動」促成了景觀審美和景觀形態的空前變革，而歐、美「城市公園運動」則開啟了現代景觀的科學之路。
  17. Acute phase respo - nse mediators can act on the hepatocytes by non - specific stimulation, which may lead to the changes of the gene expression and protein synthesis

    在一些非特異性因素的刺激下，急性時相反應介質與肝細胞反應引起肝細胞大量分泌急性時相反應蛋白，參與機體免疫。
  18. The results show that the a - phase - transformation of pure aach can be completed by heating at 1200 ? for two hours. but under this temperature, the alumina particles will be sintered together, which can lead to the formation of bough - like structures. and these bough - like structure will make the powder difficult to be dispersed

    接著對碳酸鋁銨進行了焙燒實驗，研究了其在升溫過程中的相變行為，結果表明：純aach在1200保溫1 . 5h的情況下才能100轉變為氧化鋁，而在這樣高的溫度下，粒子之間會形成燒結頸，從而使粉體產物在形貌上出現所謂「樹枝狀」結構，給粉體使用時的分散帶來了困難。
  19. In the paper, li5mn4o83 + li5mn12o24 -, li5mn16o32 +, li17mn16o329 + clusters selected by " seed atoms " were calculated theoretically by means of the quantum chemical dv - xa calculation method. form the angle of electronic structure, the status of lithium ion and the electrochemical properties of lixmn2o4 were discussed preliminarily according to different conditions ( x = l, 2 ). based on calculation results, it ' s found that the jahn - teller distortion, which was thought to lead to poor cyclability, occurred during the discharge of lixmn204, and we also confirmed the formation of a novel phase with low energy after overdischarge ( x = 2 )

    為了從微觀上認識錳系正極材料的結構和電化學性能之間的關系，本文提出了採用量子化學離散變分x （方法，對結合「種子原子法」選取的li5mn4o83 + 、 li5mn12o24 - 、 li5mn16o32 + 、 li17mn16o329 +等錳系正極材料的原子團簇進行了理論計算，從電子結構上初步探討了鋰離子嵌入正極材料后的存在形式以及鋰離子的嵌入對電極材料電化學性能的影響，同時還從結構上對鋰離子電池的循環性能和容量進行了初步的討論。
  20. In 1992, gold san company took the lead in opening out the wire cutting machine which is controlled by 8086 series computer in china, advance the wire cutting machine control level of our country to a higher phase

    於1992年高成公司在國內率先開發出用8086系列計算機控制的線切割機床，把國內的線切割機床控制水平提高到一個新的階段。
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