首元素 的英文怎麼說

中文拼音 [shǒuyuánsù]
首元素 英文
header element
  • 首 : Ⅰ名詞1 （頭） head 2 （首領） leader; head; chief 3 （表示方位） aspect 4 （姓氏） a surname Ⅱ動...
  • 素 : Ⅰ形容詞1 （本色; 白色） white 2 （顏色單純） plain; simple; quiet 3 （本來的; 原有的） native Ⅱ名...
  1. The traditional elements have had the more and the more big variety in the big tide of the international jewellery, being turned from the nobility and costliness to the civilian and personalization

    摘要傳統元素在國際首飾大潮中發生了越來越大的變化，由貴族化、高檔化向平民化、個性化轉變。
  2. On the basis of the investigation of the content and distribution of heavy metals in sediments and benthic organisms from the sewage stream in guangzhou city, the antagonistic effect of selenium on the harm of mercury ( hg2 + ) to the tissues in swordtail fish ( xiphophorus helleri ), the 22nd offspring purely cultivated by pearl river fishery research institute, were measured by physiological and biochemical indexes and observation of electron microscopy

    本研究中首先調查了廣州市河涌沉積物及底棲生物體內重金屬含量及分佈，並以珠江水產研究所培育的水生實驗動物?劍尾魚為實驗材料，利用環境生物技術，電鏡觀察等技術方法研究了重金屬?汞對劍尾魚組織的毒害及機體必需微量元素硒對其毒害的拮抗性影響。
  3. Macarthur surmised that competition equations should be considered as first elements of a taylor series.

    麥克阿瑟推測，竟爭方程應被看作為泰勒級數的首要元素。
  4. At the beginning, the basic theory of plane measurement ? some basic elements in planar projective geometry, including 2d protective plane, homogeneous coordinates and homography are introduced. the pinhole camera model and the basic algorithm of image measurement are discussed

    首先介紹了平面測量問題的理論基礎? ?平面射影幾何的一些基本元素：射影平面，齊次坐標，平面單應等，接著討論了攝象機針孔模型以及基於圖象的平面測量基本原理。
  5. The effects of the different kinds of rare earths and the doping amount of them on magnetic properties of bafe, 2o19 ultrafine powders ( including the specific saturation magnetization, the specific remanent magnetization and coercive force ) were firstly discussed systematically

    首次查明了鋇鐵氧體粉末的磁性能（包括比飽和磁化強度、比剩餘磁化強度和內稟矯頑力）隨稀土元素種類及其摻雜量的變化規律。
  6. The first day cover design reprises the graphic elements of the four stamps with the focus on man, the prime mover for creativity

    首日封重現四款郵票的設計元素，以人為本，作為創意的動力之源。
  7. The algorithms estimate the doa of the broadband distributed source fron the secondary diagonal elements of the covariance matrices generated from every frequency domain of the received broadband signals, thus avoiding unwrapping of phases

    該類演算法首先將陣列接收的寬帶信號變換到頻率域，然後對于每個頻率形成陣列接收信號協方差陣，最後由該協方差陣的次對角線元素估計寬帶分佈源的到達角，其主要特點是避免了相位展開。
  8. Their discovery marks the first abundance determination of the actinides element thorium in a star beyond the milky way, and follows the detection of thorium in more than ten stars within the milky way

    他們發現，標志著首豐測定的錒系元素釷星以外的銀河系，跟檢測釷十余恆星的銀河系
  9. Systematically tested, analyzed and sorted out geochemical data of intrusion - related nickel deposits in china, such as analysis of zonal structure of chrome spinels, micro - probe in situ analysis of single minerals incjude olivine and pyroxene by la - icp - ms, in which some of the research is the first time domestically

    其中一些研究，如鉻尖晶石環帶的研究、橄欖石、輝石等單礦物的原位la ? icp ? ms分析等，在我國還是首次，為研究我國主要銅鎳硫化物礦床成巖成礦過程中元素的分異和演化提供了定量結果。
  10. Then, analytical work was carried out as follows : the ultimate analysis and physi - chemical analysis of the pyrolytic oil comprised a sketch of the fuel properties of the oil ; then, through the distillation analysis of the oil, the fraction composition of the " unrefined " oil was known. after that, a general knowledge of the aromaticity and saturation of the hydrocarbons in the oil was provided by the outcome of the ft - ir functional group analysis. also, from the analysis, the form of the polar functional groups and their distribution in different fractions of the oil were learned

    文中首先對不同熱解溫度下熱解油產率進行分析討論，然後，針對熱解油品質進行了一系列分析：通過元素組成和理化特性的分析，對熱解油作為燃料特性有了一個大致了解；通過實沸點蒸餾分析，得到熱解油作為一種未提煉油的餾分分佈，並為后續熱解油餾分的細入分析提供了前提；通過對熱解全油和各窄餾分的ft - ir官能團分析，對熱解油的芳香性、不飽和性有了整體的了解，並且清楚了熱解油中的極性官能團存在型式及其在熱解油不同餾分中的分佈。
  11. In this paper, the nacre of hyriopsis cumingii ( lea ) which is one of the main freshwater pearl - forming mollusk in china is studied emphatically, as compared with the nacre of three species of saltwater pearl - forming mollusks, pinctada martensii ( dunker ), pinctada maxima ( jameson, and peteria penguin ( roding ). the basic characteristics of nacreous and prismatic layers are understood by powder x - ray diffraction analysis, trace elements analysis, amino acid composition of protein and differential thermal analysis

    本文以我國主要育珠蚌淡水三角帆蚌貝殼珍珠層為重點研究對象，以三種海水育珠貝馬氏珍珠貝、企鵝珍珠貝及大珠母貝貝殼珍珠層為對比研究對象，首先通過粉末x -射線衍射、微量元素分析、蛋白質氨基酸分析及差熱分析對珍珠層及其與之密切共生的稜柱層的基本特徵進行了初步研究。
  12. Firstly, we generalize and analyze the advantages and present research of elliptic curve cryptography ; secondly, we study the basic theory of the ecc ; thirdly, we illustrate the safety of the ecc and discuss the elliptic curve key agreement scheme, elliptic curve encryption scheme and elliptic curve digital signature algorithm ; fourthly, we study fast algorithms of the multiplication and inversion multiplication of the element of in the underlying finite field f2m whose characteristic is two represented by the two basis of optimal normal basis and polynomial basis. we make improvements to the fast algorithm of the polynomial basis multiplication by hankerson and base on the experiments, we describe the properties and compare the advantages of the multiplication and inversion multiplication of the elements in f2m field under optimal normal bases and polynomial basis. results concluding from the study car be used as references in the realization of the elliptic curve cryptosystem ; fifthly, we overview the current fast algorithm of point multiplication, improve the fix base point comb algorithm, advance the speed of the whole system and remark the advantages and disadvantages of the popular algorithms based upon the experimental datas ; sixthly we realize the algorithm library of elliptic curve cryptography based on the f2m. only change slightly in our algorithm library can we realize the ecdh, eces, ecdsa based onf2m of anysize ; seventhly, we realize the ecc on two secure elliptic curves, including ecdh, eces, ecdsa

    本文首先介紹並分析了橢圓曲線密碼體制的優點及研究現狀；其次研究了橢圓曲線密碼體制的基本理論；第三，分析了橢圓曲線密碼的安全性並介紹了密鑰共享，加密，數字簽名等橢圓曲線密碼體制；第四，深入研究了特徵為2的有限域f _ 2m中的元素在多項式基和最優正規基表示下的乘法運算和乘法逆運算的快速演算法，並對hankerson等人提出的多項式基下的乘法運算的快速演算法作了改進，而且在實驗的基礎上不僅分析研究了f _ 2m域中元素在多項式基和最優正規基表示下的乘法和乘法逆運算的性能，還對這兩種基表示下的f _ 2m域中元素運算效率的優劣作了比較和研究，所得的結論可供在實現橢圓曲線密碼體制時參考；第五，研究了目前流行的計算橢圓曲線標量乘法的快速演算法，同時改進了固定基點梳形法，提高了整個系統的速度，並在實驗的基礎上分析研究了流行演算法的優劣；第六，實現了基於f _ 2m的橢圓曲線密碼體制的演算法庫，在我們的演算法庫中只需稍微改變便能實現基於任意尺寸的f _ 2m上的ecdh ， eces ， ecdsa等橢圓曲線密碼體制；第七，實現了兩條安全橢圓曲線上的橢圓曲線密碼體制，包括ecdh ， eces ， ecdsa 。
  13. The integrated analysis and valuation of the sight character in hubin has been performed from the following aspects inclusive of landscape spacial web structure, spacial status and element detailed character with the forementioned method and graphic expression tools. 3 ) the historical evolvement of the whole landscape around the lake has been analyzed according to the system integration theory of landscape ecology. the whole characteristic of the traditional landscape around the lake has been researched from the three aspects as follows : variety of the landscape ; spacial interaction and continuation ; consistency as a whole, then the special skeleton of traditional landscape around the lake is discovered and the scientific foundation of landscape protection and control for the urban planning of traditional block is established

    首先，本文對于湖濱街區的現存景觀狀況、歷史文脈、居民生活環境質量做了大量調查與評價，並對居民對于現行規劃成果的評價以及對于未來景觀發展的看法做了深入的調查；第二，根據國際上關于城市景觀特質保護的最新研究思想，結合中國文化的特點，創新性地提出了傳統景觀特質的場所文脈評價方法，採用幾何結構模擬的圖示解剖手段，從景觀空間網路結構、景觀空間形態、景觀元素細部特徵等多方面對湖濱地區的景觀特質進行了整體分析評價；第三，根據景觀生態學的系統整體性理論，分析了整個環湖地區景觀歷史演變發展，並且從景觀多樣性、空間滲透、延續性與整體一致性三方面研究了環湖地區傳統景觀的整體特徵，找到了環湖地區傳統景觀的獨特脈絡，為傳統街區的更新規劃找到了景觀保護與控制管理的科學依據。
  14. This thesis has carried on the research of how to design with nature in modern interior architecture as follows : first of all, the thesis reviews the development of interior natural scenery design domestically and abroad, particularly from 1960s to now ; then, it makes an analysis about the relative technology, the evaluation of the interior natural scenery, the most important elements in the design, and the types of the interior space that hold the natural scenery ; after that, it discusses the interior scenery design methods from tow aspects : its relationship between the space, and the conformation of natural scenery ; in the end, after discussing design theory and methods, the thesis makes an expectation to the development of the design with nature in interior architecture, and supplies ways that combine natural scenery with ecology together in the interior space

    從整篇論文來說，首先，對中外室內自然景觀設計的發展歷史和理論背景做了簡單的梳理，並重點對20世紀60年代以來出現的新型室內自然景觀做了分析。其次，對保證室內景觀實現的技術、室內自然景觀所起的作用、重要的室內自然景觀元素，以及室內自然景觀依託的空間類型進行了詳細的分析。然後，對室內自然景觀的設計方法做了探討，從空間關系和景觀形態兩個方面進行了分析。
  15. Two hundred and fifty years in the future, life as we know it is threatened by the arrival of evil. only the fifth element played by milla jovovich can stop the evil from extinguishing life, as it tries to do every five thousand years. she is helped by ex - soldier, current - cab - driver, corben dallas played by bruce willis, who is, in turn, helped by prince arsenio clone, ruby rohd

    根據希臘神話，空氣地火水乃是萬物需要的四種元素，而在片中所描述的未來世界，四種元素合一就會成為人們找尋的第元素生命，公元年月日零晨二時，黑死力量兵團在首領卓格的統領下，殺入紐約曼赫頓，誓要滅絕第元素，以便統一全宇宙。
  16. The seed was also rich in total sugar, in crude protein, in amino acid and inorganic elements. in addition, the higher antimicrobial activity of alcohol extracts from the seed and pentadecanoic acid containing 18. 99 % in the unripe seed oils were first found

    種子的總糖、粗蛋白、氨基酸、礦質元素含量也較豐富。首次發現種子醇提物有較強的抗菌活性和青果種子油有相對含量高達18 . 99的十五碳烷酸。
  17. In the collective and unified dastan literature of the ? zbek of the old jochi ulus, comprising the current ? zbek, kazak, mangit - nogay, and baskurt, the following elements of ethics, moral qualities, and characteristics are discernible : exaltation of endeavor ; readiness to die in defense of honor ; the principle of espousing society and state above all ; enduring difficulties with ease ; belief that efforts expended in overcoming obstacles facilitate progress ; willingness to undertake long and arduous journeys ; women ' s desire only for men in possession of these qualities ; and the elevated position of noble women and mothers in the society

    在術赤烏魯斯的月即別（組成了今天的烏茲別克，哈薩克，曼格特-諾蓋與巴什基爾）的集體一致的史詩文學中，可以清楚的看到以下的民俗元素，道德品質與性格：勤奮的喜悅，隨時準備為了保護榮譽而死，支持社會與國家為首要的原則，淡然面對困難，堅信在克服困難中的努力可以促進進步，願意承擔漫長而困難的旅途，婦女只期待具有這些品質的男人，高貴女子和母親在社會上的地位高。
  18. Element you must first check for out - of - range errors

    元素時必須首先檢查超出范圍錯誤。
  19. Survey of contents of arsenic and heavy metals in prepared radix polygoni multiflori tablets

    制首烏飲片中的砷及重金屬元素含量研究
  20. We have interpreted in the same way the production of radioactive elements in boron and magnesium in the first an unstable nitrogen with a half life of 11 minutes is produced, and in the second, unstable isotopes of silicon and aluminum

    我們還用同樣的方式解釋了在硼和鎂中製造放射性元素的過程：首先製造一種半排出期為11分鐘的不穩定的氮，然後製造不穩定的硅和鋁同位素。
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