nuclear techniques 中文意思是什麼

nuclear techniques 解釋
核技術
  • nuclear : adj 1 核的，成核的；有核的。2 【物理學】原子核的；原子能的；原子彈的；核動力的。3 〈比喻〉核心的...
  • techniques : 方法
  1. Different from mammals, the early embryos of fish can not be preserved for the long period at the very low temperature ( - 196 ). therefore, three methods were usually applied to cryogenic preservation of the fine and rare species of fish : 1 ) perserving fish spermatozoon in cryogenic condition. researchers have had systematically studied on this technique for many years, and this technique has been utilized in application and made a lot of effects ; 2 ) combining with the techniques of cell engineering ( nuclear transplantation and electric fusion etc. ), and through the process of culturing histiocyte of fish, cryopreservation and re - culture after thawing, carrying out somatic cell breeding of fish. the past studies showed that the nucleolus of somatic cells of fish have totipotency

    多年來，國內外學者對各種魚類精液的冷凍保存進行了大量的系統研究，目前這項技術已達到實用水平，並日益發揮作用；二是對魚類培養的組織細胞冷凍保存，通過魚類細胞的培養、超低溫凍存、解凍后再培養過程，結合細胞工程技術（如核移植、電融合等）進行體細胞育種；大量的研究結果表明魚類體細胞核具有發育的全能性，隨著細胞培養技術、細胞工程技術日益發展成熟，完全具備實現魚類物種種質長期保存的理論基礎和技術條件。
  2. The trend is refered to combine the evidence from several genes representing both nuclear and organella genomes with morphology, ontogeny and life history for systematic studies ; while studies at the population level by applying molecular techniques with high differenciation lead an important direction

    指出同時應用能夠代表核和細胞器基因組的多個基因結合形態、個體發育和生活史進行系統學分析是其必然發展趨勢；而應用高解析度的分子手段進行居群研究是一個重要的發展方向。
  3. In order to meet the requirements of nda measurement, the laboratory of technical research for nuclear safeguards of china institute of atomic energy ( ciae ), is being in charge of developing four sets of nda standards : one set of segmented gamma - ray scanner ( sgs ) uranium standard, one set of sgs plutonhim standard, one set of plutonium isotopic standard, and one set of active well coincidence counter ( awcc ) standard. in this dissertation some pivotal techniques on quality control in developing of nda nuclear standards above were emphatically studied

    中國原子能科學研究院核保障技術重點實驗室研製分段y掃描裝置（ sgs ： segmentedgamma - rayscanner ）鈾工作標準樣品、 sgs鈈工作標準樣品、鈈同位素標準樣品和有源中子井型符合計數裝置（ awcc ： activewellcoincidencecounter ）鈾工作標準樣品來滿足核材料nda測量的要求。本論文重點對上述nda核標準樣品研製過程中質量控制的一些關鍵技術進行了研究。
  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、分子生物學、生物物理學的方法和手段、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，鑒定了它們的生理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. Laboratory of nuclear analysis techniques, institute of high energy physics, chinese academy of sciences, beijing, 100080

    中國科學院高能物理研究所核分析技術聯合開放實驗室，北京， 100080
  6. Measuring technology of multi - channel is the foundation of matter composition and radioactivity verifying by way of nuclear methods. the dissertation aims at developing tendency of measuring technology of multi - channel nuclear energy spectrum, combining the characteristics of field working, focusing on systematically reseach on some key techniques such as the design of multi - channel analyzer ( mca ) and apparatus, with a view to resolve defects exsisting in current portable apparatus

    論文瞄準國內外多道核能譜測量技術的發展趨勢，結合現場工作的特點，針對目前現場多道核能譜測量儀器中存在的諸如儀器功耗、重量、體積偏大，不便於現場操作等問題，在多道脈沖幅度分析器以及儀器的單片機機化等方面作了較為系統的研究。
  7. The present work is the first in china to research tgs according to the requirements of nuclear safeguards technology in china. three key techniques, determination of detection efficiency, tgs transmission image reconstruction methods and fast reconstruction technique of tgs emission image, are researched thoroughly based on the careful analysis of lots of information on tgs

    本文在充分調研和分析了國外1990年到現在有關tgs技術的信息資料和大量論文報告的基礎上，針對tgs技術研究中的探測效率刻度、透射測量圖像重建計算和發射測量圖像快速重建計算三個關鍵技術進行了如下三方面的研究。
  8. Objective to discuss the surgical techniques and clinical results of the nuclear delivery with two lens diallers in cataract extraction through small incision combined with intraocular lenses ( iol ) implantation

    摘要目的探討雙鉤（晶狀體調位鉤）娩核法在小切口白內障囊外摘出人工晶狀體植入術中的手術技巧和臨床效果。
  9. Radiation effects have been investigated up to - 30 dpa by the heavy ion irradiation simulation and positron annihilation lifetime techniques in the home - made modified 316l stainless steel and the commercially available stainless steel and tungsten, which are used as the beam window materials for the spallation neutron source in accelerator driven radioactive clean nuclear power system ( ads ). their radiation resistance properties are compared

    本工作採用重離子輻照模擬和正電子湮沒壽命測量技術研究了加速器驅動潔凈能源系統（ ads ）散裂中子源束窗材料鎢、普通不銹鋼和國產改進型316l奧氏體不銹鋼在0 30dpa輻照劑量范圍的輻照效應，並對它們的抗輻照性能作了比較。
  10. Institute of high energy physics, laboratory of nuclear analysis techniques, chinese academy of sciences, p. o. box 2732, beijing, 100080, china

    中國科學院高能物理研究所，中科院核分析技術開放實驗室，北京， 100080
  11. Our national port machinery industry has put great efforts to research and develop container crane electrical control techniques, and got achievements which are embodied in quantity. but the nuclear techniques of electrical control, the most valuable part, are still controlled by some developed countries

    雖然我國港口機械行業在集裝箱起重機電氣控制的研究與開發方面作出了巨大的努力，也取得了不俗的成績，但這更多的是體現在量的概念上，作為附加值最高的部分? ?電氣控制部分的核心技術仍然掌握在一些發達國家的手中。
  12. Nondestructive assay ( nda ) techniques have become powerful tools for quantitative determination of special nuclear materials ( snm ), and played an important role in nuclear material control and accounting ( mc & a ), also in inspection of nuclear safeguards

    無損分析（ nda ： nondestructiveassay ）技術已經成為定量分析特種核材料（ snm ： specialnuclearmaterials ）的重要工具，它在核材料控制與衡算（ mc & a ）方面以及在核保障核查工作中起著重要作用。
  13. This thesis aims to discuss the clustering techniques with the background of large - scale nuclear physics science data mining. first, we introduce the key techniques and the main task in data mining, then we analyze the data preprocessing techniques and clustering techniques combine data mining techniques with science data. from data preprocessing aspect, we propose some methods of segmenting, denoising, integrating and transforming, and we use “ truncation method ” and “ successive difference method ” in data reduction, at last we extract information from the science data

    論文基於大規模核物理科學數據挖掘的背景，全面介紹了數據挖掘的關鍵技術和主要任務，從理論、演算法和應用三個層次，結合科學數據的特點來分析預處理技術和聚類方法，提出了很多實用的預處理方法:對hdf5科學數據進行分塊、除噪、集成、變換等，同時對它使用「截斷法」和「逐層求差法」進行規約，並對數據進行信息提取。
  14. Application of modern analytical technology in quality control of traditional chinese medicine ( tcm ) are introduced in this paper, including chromatographic techniques, spectral techniques, nuclear magnetic resonance ( nmr ), mass spectrometry ( ms, gc - ms, lc - ms, ce - ms, icp - ms ), dna fingerprint techniques, x - ray diffraction techniques

    摘要介紹色譜法、光譜法、核磁共振波譜、質譜及其聯用技術、 dna分子診斷技術、 x射線衍射法等幾種現代分析方法在中藥質量控制中的應用。
  15. Nuclear science and techniques

    核技術英文版
  16. Optical imaging techniques offer high spatial resolution but are limited to preclinical use. nuclear techniques, including reporter genes and direct cellular radiolabeling, hae good detectability but more limited spatial resolution

    光學成像技術具有較高的空間解析度，但在臨床前應用有局限性。包括報告基因和細胞直接放射性標記的核技術具有很好的靈敏度，但卻在空間解析度方面有較多局限性。
  17. The physicochemical characterization was made in depth using various techniques for some resin matrices of advanced composites, such as epoxy resin matrix, phenolic resin matrix and bismaleimide resin. these techniques include infrared spectroscopy ( ir ), nuclear magnetic resonance spectroscopy ( nmr ), mass spectroscopy ( ms ), liquid chromatography ( lc ), thermal analysis ( ta ) and other techniques. the composition, structure, molecular weight, reactivity, reaction temperature and other properties related to performance of resin matrix were studied

    本論文採用紅外光譜、核磁共振波譜、質譜、液相色譜、熱分析等分析技術對實際使用的環氧樹脂、酚醛樹脂以及改性雙馬來酰亞胺樹脂等先進復合材料樹脂基體進行了物理化學表徵，尤其是對與樹脂基體性能密切相關的化學組成與結構、分子量、活性與反應溫度、固化度等進行了表徵；提出了樹脂基體的固化反應機理，獲得了樹脂基體的固化反應動力學參數；對改性雙馬來酰亞胺樹脂的熱分解機理進行了分析，並得到了其熱分解動力學數據。
  18. There are many kinds of display techniques in true 3d volumetric display technique, the most basic and nuclear technique is translational motion of swept - volume technique

    在真三維立體顯示技術中，包括多種立體顯示技術，平移體掃描顯示技術是其中最基本和最核心的顯示技術。
  19. Using nuclear techniques to evaluate the qulity of water conservancy, hydroelectric and transportationprojects, and to non - destructively detect compactness, moisture contert, concrete inner cavity and seepage in dam foundation

    應用核技術對水利水電交通等工程質量測評、無損檢測評估密實度、含水量、噴砼層厚、砼內部空洞及壩基滲漏。
  20. Intelligent nuclear instrument has been a dominant developing direction of radioactivity measurement instrument, and has far - reaching impact on the fields such as applied nuclear techniques, international nuclear safety, weapon inspection, national defence engineering and scientific test

    智能核儀器已成為放射性測量儀器發展的一個主導方向，對應用核技術、國際核安全與武器核查、國防工程與科學試驗等領域將產生極其深遠的影響。
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