物理子段 的英文怎麼說

中文拼音 [ziduàn]
物理子段 英文
physical child segment
  • : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
  • : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
  • : 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...
  • : Ⅰ量詞(部分) section; segment; part; paragraph; passage Ⅱ名詞(姓氏) a surname
  • 物理 : 1. (事物的內在規律) innate laws of things2. (物理學) physics
  1. Under the assumption that the inner surface of stator sleeve and outer surface of rotor are smooth, taking the fact into account that the temperature of stator sleeve of evaporation cooling motor keeps almost the same, horizontal evaporation cooling motor is simplified as a physical model of two coaxial sleeves, with outer sleeve ( the stator ) holds still and keep at constant temperature and inner sleeve ( the rotor ) is rotating and heated

    本文通過數值和實驗手研究了臥式蒸發冷卻電機楔形氣隙中的流體流動、傳熱現象。本文在定套筒和轉表面光滑的假設下,針對蒸發冷卻電機定套筒壁面基本恆溫的特點,將實際蒸發冷卻電機簡化為同軸套筒內筒加熱旋轉、外簡靜止定溫的模型。
  2. Mixers are the key components of many microwave and millimeter - wave systems. the super - heterodyne receiver is always applied in modern communication system, mixer becomes the key component as is at the first part of system. but it is more and more difficult to get the choiceness lo source of the same band with the system is working at high frequency especially in the millimeter - wave. sub - harmonic mixer is a good solution to this problem now. in this circuit we need just half 、 quarter 、 even 1 / 8 of the rf signal frequency. in this paper the design and fabricate of sub - harmonic hmic mixers ( 2, 4 ) at w - band are introduced

    混頻器是微波通信、射電天文學、雷達、等離、遙控、遙感、電對抗,以及許多微波測量系統中至關重要的部件。在現代通信系統中,毫米波頻通常採用超外差接收機,混頻器作為第一級就成為關鍵部件。由於在毫米波頻,同頻高性能的本振源成本高,技術難度大,採用分諧波混頻技術是解決此問題的有效途徑,只需射頻頻率1 / 2 、 1 / 4甚至1 / 8的本振頻率即可實現混頻。
  3. W. hai, y. duan, l. pan. an analytical study for controlling unstable periodic motion in magneto - elastic chaos [ j ]. phys. lett., 1997, a234 : 198

    海文華,宜武,朱熙文等.控制離云混沌運動中的不穩定性[ j ] .學報, 1997 , 46 : 2117
  4. Techniques of culture of prothoracic gland ( pg ) in vitro, 3h - ecdysteroid - radiounniunoassay, and methods of molecular biology and biophysics, for instance, nuclear magnetic resonance ( nmr ), circular dichroism cd ) and so on were engaged. the biological activity on ecdysteroidogenesis in vitro and in vivo of a group of analog peptides of bom - ptsp synthesized by chemical modifications and the relationship between the structures and functions were studied

    本研究利用~ 3h -蛻皮激素放射免疫分析方法、分學、生學的方法和手、體外培養和體內導入等技術對bom - ptsp及其一組人工合成的與ptsp結構類似的多肽進行了結構和功能關系的研究,鑒定了它們的生活性及其與結構的關系,以及它們在家蠶體內的活性及其與結構的關系,還對ptsp及其類似多肽進行了核磁共振和圓二色的研究。
  5. Then the c - band simple milo is simulated systematically. the physics of electron bunching and microwave field growing is investigated in detail

    然後,對c波milo模型進行了數值模擬,研究了其中電聚束和微波產生的過程。
  6. The main research contents of the physical design include : presenting the domestic and international status of space weather and expanding on the need and the importance about the space weather forecast ; sorting the disastrous space weather and discussing their effects and adapted prediction methods ; analyzing the solar disturbing resources of space weather and the precursor or concomitant phenomena of solar eruption based on the newest observational results ; probing into the radiation principle of solar short - wave ray and presenting the computing methods about solar continuum and line spectrum radiation ; extrapolating physical methods of reconstructing the temperature and the emission measure of coronal plasma ; argumenting the effective observing spectrum for space weather empirical forecast and space weather numerical forecast

    設計的主要研究內容包括:分析目前國內國際空間天氣預報的發展現狀及開展空間天氣預報的必要性和重要性;分類討論了災害性空間天氣的種類、影響及目前國際上的預報方法:分析了空間天氣太陽擾動源及擾動源爆發的先兆現象或者伴生現象;討論了太陽短波輻射線譜和連續譜輻射強度的計算方法:推導了利用望遠鏡多波的觀測結果反演日冕等離體溫度、發射量等參數的方法:論證了開展空間天氣經驗預報和發展數值預報有效的成像譜
  7. The average abundance distributions of heavy elements in metal - poor stars can provide fairly direct and detailed information on the nucleosynthesis in every stage after the formation of galaxies. furthermore, it can put more accurate constraints on the chemical evolution of neutron - capture elements. the solution to this problem will have important effect on the solution to a series of problems about nuclear astrophysics and the galactic evolution

    貧金屬星的中俘獲元素豐度分佈能提供星系形成后各個階核合成的較為直接和詳細的信息,並為星系化學演化的研究提供更為準確的約束,這一問題的解決將對核天體及星系化學演化的一系列問題的解決產生重要影響。
  8. Overall investigation of physiochemical features and biological factors of reservoir water quality were conducted in daoguanhe reservoir from 1999 to 2002. at the basis of these investigations, integrate evaluation of trophic state and environmental status was made. theoretical base for the reasonable utilization of fishery resource and ecological management of environment were provided using bio - manipulation technique and ecoenergetics means

    1999 ? ? 2002年全面調查了武漢道觀河水庫的水質化特性和生,在此基礎上綜合評價了水庫的營養狀態和環境現狀,並利用生操縱技術和能量生態學手,為水庫漁業資源的合利用和漁業環境的生態學管提供論基礎。
  9. To investigate the space / time distributions and occurrence and evolution of such events, the diffusion pattern over deserts, turbulent transfer features in sandstorm weather, the particle size distribution, mass concentration and its distribution, optic properties, chemical composition and physical factors responsible for the initiation of raising sands, we made integrative observation and sounding of sandstorms deep in the large - scale desert area, including tengri, badanjilin and maowusu, with the items consisting of micrometeorological measurement, 3d wind observation, data from kb - 120 and anderson samplers of mass concentrations of sands with their spectrum, the distribution of aerodynamic particle sizes from the aps3310a, retrieval of aerosols " optic depth from sunphotometer data, assay of the chemical composition by means of neutron activiation analysis ( naa ) and integrated study of all related factors for causing sandstorm to occur, based on the observations of all kinds

    利用所取資料,系統分析了不同強度沙塵天氣條件下沙塵氣溶膠質量濃度和質量濃度譜、粒譜分佈、光學厚度、化學組分等特徵;綜合分析了影響沙塵起動的諸在沙塵起動中的作用;用沙塵輸送模式對一次沙塵暴天氣造成的泥雨過程的形成機制進行了模擬。歷史氣象資料統計分析表明,沙塵暴有其高發期( 4 、 5月)和高發時( 14 - 20時) , 14時到20時之間發生的沙塵暴約占沙塵暴總次數的66 。揚沙和沙塵暴天氣條件下,湍流動量通量和湍流感熱通量都是重要的湍流交換,沙塵暴發生前近地層的超絕熱不穩定對沙塵暴天氣有加強作用。
  10. The interface behavior between essence and ethylene - vinyl acetate copolymer pallets was studied so that necessary data were obtained to guide the preparation of fragrant masterbatch. the adsorption type and wettability between essence and the copolymer pallets were analysed by measurements of fourier transform infrared spectrum, surface tension, contact angle and specific surface area. the technical factors affecting absorptivity such as the charge ratio, temperature, pressure and stirring speed were studied by series of adsorption experiments. the results showed that the adsorption of essence on the surface of ethylene - vinyl acetate copolymer pallets is physical in nature. essence couldn ' t moisten the surface of ethylene - vinyl acetate copolymer pallets absolutely, but it could be soaked into the surface of the pallets partly. adsorptivity could be increased by enhancing the temperature, pressure and stirring speed, but the extension of adsorption time had little influence on adsorptivity

    研究了香精與乙烯/醋酸乙烯共聚之間的界面行為,以便為香型母粒的制備提供必要的論依據.利用傅立葉變換紅外光譜、表面張力、接觸角及比表面面積等測定手,分析了香精與載體之間的吸附類型和潤濕作用.並通過一系列吸附實驗,討論了配料比、溫度、壓力、攪拌等工藝條件對吸附量的影響.結果表明,香精在乙烯/醋酸乙烯共聚表面的吸附為吸附;香精無法完全潤濕載體粒表面,但可以對其形成部分浸潤;提高溫度、壓力、攪拌速度可以增加吸附量,而延長吸附時間對增加吸附量貢獻不大
  11. Abstract : the interface behavior between essence and ethylene - vinyl acetate copolymer pallets was studied so that necessary data were obtained to guide the preparation of fragrant masterbatch. the adsorption type and wettability between essence and the copolymer pallets were analysed by measurements of fourier transform infrared spectrum, surface tension, contact angle and specific surface area. the technical factors affecting absorptivity such as the charge ratio, temperature, pressure and stirring speed were studied by series of adsorption experiments. the results showed that the adsorption of essence on the surface of ethylene - vinyl acetate copolymer pallets is physical in nature. essence couldn ' t moisten the surface of ethylene - vinyl acetate copolymer pallets absolutely, but it could be soaked into the surface of the pallets partly. adsorptivity could be increased by enhancing the temperature, pressure and stirring speed, but the extension of adsorption time had little influence on adsorptivity

    文摘:研究了香精與乙烯/醋酸乙烯共聚之間的界面行為,以便為香型母粒的制備提供必要的論依據.利用傅立葉變換紅外光譜、表面張力、接觸角及比表面面積等測定手,分析了香精與載體之間的吸附類型和潤濕作用.並通過一系列吸附實驗,討論了配料比、溫度、壓力、攪拌等工藝條件對吸附量的影響.結果表明,香精在乙烯/醋酸乙烯共聚表面的吸附為吸附;香精無法完全潤濕載體粒表面,但可以對其形成部分浸潤;提高溫度、壓力、攪拌速度可以增加吸附量,而延長吸附時間對增加吸附量貢獻不大
  12. It is a quite complicated system and involves many fields : accelerator physics, microwave electronics, vacuum physics, low temperature physics and etc. based on this facility, there are some physics issues " analysis and numeric simulation on the accelerator in this dissertation

    院應用電學研究所的30mevlinac是為fel實驗建成的國內第一臺l波駐波腔加速結構linac ,它涉及到加速器、微波電學、真空學、電學和控制學等多種學科,是一個非常復雜的系統。
  13. In this paper, we take high molecule physics and the damage theory of rheologic material with lacuna as the basic, make the experiment as a mostly measure, take the pmma as a research object, to study the pmma ' s nonlinear viscoelasticity of high polymer. the technique showing minute details in minute view measure is used by the author to observe the change of crazing damage density follow the change of stress, time and temperature in term of creep and flab

    本文以高分學、含缺陷流變性體的材料破壞論為基礎,以實驗為手,以工程中常用的pmma為研究對象,對pmma銀紋破壞的非線性力學行為進行了研究。作者採用顯微技術,對pmma在蠕變或鬆弛條件下,不同應力水平和不同基溫下的pmma銀紋損傷進行了實驗研究。
  14. This course is intended to provide some specifics concepts such as the methodology of hacking, incident handling, encryption, physical security, database security, e - commerce security

    這個課程的目標是為學員提供一些深入的概念:如黑客攻擊手、安全事件的處響應、加密技術、安全、數據庫安全、電商務安全等。
  15. In the artificial - planting, the strain of cordyceps militaris is easy to degenerate. at present, the study about the fungus in cordyceps genus are just in the identification of fungi 、 the nutrition analysis 、 the using in medicine and artificial - planting. although, it could reduce the lost by the usual breeding way, we could not solve the problem at basic. about the degeneration of strain, people mostly use the gender - cycling 、 the fusing - cytoplasmic technology and the genetic - engineering method to reform the strain. most of people use moleculor method in the study of relationships among the species and between the species

    用常規選育方法雖然能減少一定的損失,但不能從根本上解決菌種退化這一長期困擾企業生產的問題。針對菌種退化問題,主要是利用有性循環、原生質體融合和遺傳工程等途徑進行菌株改良,應用分學手只是研究種內、種間的系統關系等,而關于菌種退化遺傳機的研究尚未見報道。菌種退化是菌類栽培過程中普遍存在的,也是生產當中迫切希望得到解決的問題。
  16. With x - ray " s erupting generated by solar proton flare, x - ray transmit toward earth with light speed and isn " t effected by magnetic field of earth. it arrive in earth earlier several decades minutes to hours than proton liquid. make use of the difference of time they spend on space spread, we make alarm for solar proton event by physical character of solar x - ray, which is a very valid means

    伴隨太陽質耀斑產生的x射線爆發,它以光速向地球傳播而且不受地磁場的影響,它比質流超前幾十分鐘甚至幾十小時到達地球,利用二者在空間傳播的時間差,以太陽x射線某些特徵警報太陽質事件是一種十分有效的手
  17. This undergraduate course is the first in a series on quantum physics. the website features problem sets, exams, and practice exams

    此大學部課程為量系列的第一階。此網頁主要包含習題,考試及練習測驗(小考) 。
  18. Nevertheless, quantum cryptography, which is based on quantum physics, has been proved to be an effective technique for secure key distribution

    然而,基於量的量密碼學已被證明是保密通信中密鑰安全分配的有效手
  19. By showing the modern technique, such as bioengineering technology, electronic technology, space technology and so on, used and bringing about a series of changes to teh field of agriculture in our country, the article indicates the huge affection of the science and technology on the agriculture polia. having analysed the straits the science adn technology in our used agriculture and about the trends and ways of future development of agriculture policues, author puts forword some wiews following as : modernizting our agriculture, we must select the way of technuqe intensive ; our agriculture product must depend on the increse of producer ' s quality and the modern science and technology ; only by modern science and technology to reform traditional agriculture can we in the end realize agriculture modernization, so we must vigorously develop modern agriculture including the ecological agriculture taken as aim, the physical agriculture and biochemicl agriculture as means

    本文通過展示生工程技術、電技術、航天技術等高科學技術在我國農業上的應用及其帶來一系列變化,揭示出科學技術在農業政策制定中的重大作用與深刻影響,分析了當前中國農業科學技術應用中面臨的困境及未來農業政策的方向和道路,提出了如下幾個觀點:要實現我國農業現代化,必須走技術集約的道路;我國農業生產必須轉移到依靠勞動者素質的提高和當代科學技術的基礎上來;我國的農業現代化最終只有通過高科技改造傳統農業才能實現,為此,必須大力發展以生態農業為目標、以農業和生化農業為手的現代農業。
  20. Fertilization is a highly programmed process by which two radically different cells, sperm and egg, unite to form a zygol it is mediated by complementary molecules present on the surface of the respective gametes. especially the proteins in the sperm acrom play an important role, but only a little can be extracted from sperm. now large amount of proteins can be obtained easily using biological technique

    受精是配間相互作用最後融合成合的過程,是由配各自表面蛋白分互補介導的,特別是存在於精頂體的蛋白,但從精中提取量少,用分學手大量克隆表達所需蛋白為受精機的研究提供了方便。
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