first described 中文意思是什麼

first described 解釋
命名人
  • first : adj 1 最初的，最早的。2 最上等的，第一流的。3 基本的，概要的。4 高音（調）的。n 1 最初，第一；第...
  • described : 描述的
  1. Recently, the chinese plant protection agencies reported the growing hardships in controlling some field populations of oriental migratory locust with organophosphate ( op ) compounds. up to now there are more than 600 arthropod species with documented resistance to one or more insecticides and / or acaricides since resistance phenomenon was first described in san jose scale to lime - sulfur in washington in 1908. enhanced metabolic detoxification and reduced sensitivity of insecticide target - sites are the two major mechanisms in resistance development, involving three primary metabolic enzymes of esterases, glutathione s - transferases and cytochrome p450 polysubstrate monooxygenases

    代謝抗性是指對殺蟲劑起水解或隔離作用的酶發生改變，從而對殺蟲劑起到解毒作用，昆蟲主要解毒酶系有酯酶、谷胱甘肽- s -轉移酶、細胞色素p450單加氧酶等，這三種酶系任何一種的組成部分發生改變均會引起害蟲抗性的改變；靶標抗性是指由於殺蟲劑作用靶標敏感度降低而產生的抗性。
  2. Hemophilia was first described in 1803.

    血友病在1803年初次被描述。
  3. The enzyme immunoassay diagnostic procedure was first described in 1971.

    酶免疫試驗的診斷操作方法是於1971年首次描述的。
  4. Finally, this thesis discussed these following questions : first, the algorithm of used the error image for improving the purpose of the edge detection. secondly, we have transformed the solved question of the first and the second directional derivative to frequency domain and founded they have a single formulae in frequency domain. thirdly, we have described the singular signal and the noise by using the correlations of the neighbor data after wavelet transform

    最後，在傳統的邊緣檢測演算法和小波分析的邊緣檢測演算法之外，對以下幾個方面也進行了一些討論： 1 ）利用誤差圖像來提高邊緣檢測效果的演算法； 2 ）將求解任意方向的一階、二階方向導數的問題轉換到頻域中去求解，發現在頻域中它們具有簡單易用的公式，使得原來求解任意方向的一階、二階導數的比較困難的問題變得容易實現了。
  5. First this paper describes the composing and technics of drillers ; then the composing of control system based on s7 - 300plc is described ; then thinking of such characteristics of oil driller as complexity and long delay, this paper brings forward the control strategy of combining the fuzzy control with smith estimate control algorithm, and sets down the way of auto - driller based on discal hydraulic pressure brake. at last the experiment based on matlab by computer shows that the effect of this control mode is very good and all performance are famous

    首先本文闡述了鉆機的組成與工藝特點，然後描述了基於西門子s7 - 300plc的控制系統組成，然後針對傳統鉆機自動送鉆控制策略落後的缺陷，同時考慮到鉆機的復雜性、大滯后等特點，提出了模糊控制演算法與施密斯（ smith ）預估控制演算法相結合的控制策略，給出了基於液壓盤式剎車的自動送鉆智能控制策略， matlab的模擬實驗證明該控制方式控制效果良好，各方面性能指標都達到理想要求。
  6. The main works and achievements are described : ( 1 ) the application of direct lateral force on the exoatmosphere kinetic - kill vehicle. at first, the collectivity project of the exoatmosphere kinetic - kill vehicle is specified, the motive model of the exoatmosphere kinetic - kill vehicle and target are constructed, and the thrust performance of trajectory - control engine and attitude - control engine are presented

    研究的內容及成果主要表現在以下幾個方面： （一）直接側向力在大氣層外動能攔截器中的應用首先確定了動能攔截器的總體方案，分別建立目標運動和動能攔截器運動的數學模型，以及軌控和姿控發動機的推力模型。
  7. Foundation fieldbus based on high speed ethernet ( ff hse ) is the only kind of fieldbus adopted the technology of ethernet. my thesis focus on the analyse and realization of the hse session, and through it the combination of hse and fieldbus is described. in the first part of this thesis, the history, the status and the trend of the fieldbus technology are introduced and the architecture of the foundation field is discussed. then hse session is analysed carefully

    本文在分析ffhse總線協議通信會話層session的基礎上，針對ff現場總線基於以太網的數據傳輸，以及session為總線的用戶提供通信服務進行了研究與開發，並實現了總線設備的互操作性處理，從而實現了以太網技術和現場控制技術的融合。
  8. The book of the odes has been described as the first known hymn book of early christianity

    這本歌賦被描述為已知的最早的早期基督教贊美詩。
  9. First of all, it review different significations of family enterprise and managerial innovation described different scholars. it also bring forward the signification of managerial innovation, inscape and internal mechanism in family company. it hold that our family enterprise must insist a grand target and inspire crew ' s positivity and creativity especially the keyman in family enterprise if our family enterprise want to carry through managerial innovation effectively

    首先評述了國內外學者對家族企業和管理創新含義的不同看法，提出了家族企業管理創新的含義、構成要素及內在機理，認為我國家族企業進行管理創新的有效性在於有利於更好地實現家族企業的經營目標，有利於充分調動企業員工尤其非家族成員的積極性和創造性。
  10. 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
  11. This dissertation has five chapters. the first one is overall circumstances of the extension project of a certain navy yard ' s dock. through analyzing the dock ' s circumstances in the past and at the moment, two alternatives that can improve the dock ' s ability to repair naval vessels in varying degrees are described

    全文共分五章，第一章是某船廠船塢改擴建工程總體情況，主要對某船廠船塢建成以來的歷史情況和目前狀況進行分析，選擇能從不同層次提高艦船維修保障能力的兩個方案作為船塢改擴建工程項目的經濟評價方案。
  12. The different scheduling characteristics of three production types - continuous production, discrete production and mixed production are first described, a solution is proposed that uses buffer to adjust the characteristics of mixed production, and a scheduling model that combines mrp and opt is presented according to the production requirement of fuda co. in chapter three, the production order ( similar to mps ), mrp and crp in the scheduling are discussed in detail

    第二章是混合型生產計劃調度特點，首先分析了三種類型生產過程（離散型、連續型和混合型）的特點，進而討論了混合型生產計劃調度的特殊要求，提出在混合型生產過程中利用緩沖區來實現離散型生產和連續型生產的平穩過渡。在此基礎上結合富達公司的實際生產情況提出了集成mrp和opt思想的混合型生產控制模型。
  13. New solvent polymeric membrane electrodes based on schiff base complexes of [ mn ( hi ) - bsapc ] and [ mn ( iii ) - bsapdca ] are first described, which demonstrate excellent selectivity toward iodide ion

    詳細研究了高靈敏度高選擇性碘離子電極中性載體? ?過渡金屬配合物分子的設計、合成及其作為電極載體對碘離子的選擇性電位響應特性。
  14. Heteranthery, the phenomenon of stamens in a flower differing notably in shape, size, color and with labor discrimination, was first described more than one hundred years ago

    異型雄蕊指一朵花內的雄蕊在形態、大小、顏色等方面有顯著的區別，並存在不同程度分工的現象。
  15. Sha lo tung is host to four endemic species and it is the only site in the world to support two macromidia species which were first described as new to science from there. it is also the only type locality to provide breeding habitat for six internationally rare species

    沙羅洞是四種蜻蜓特有物種的天堂，也是全球首次發現兩個偽蜻科蜻蜓macromidia的地點，除此之外，並為全球六種稀有蜻蜓提供唯一典型的繁殖生境。
  16. This paper is first described backgroud and currence of gsm public phone, second is described technological requirement by ministry of information industry, third is detaiedly described the solution based on 32 - bit embedded system, subsequently is briefly described the embedded development platform - - sic33 on which the solution is based, then is detailedly described the hardward drivers, by which a test report is followed to prove the solution is viable, finally some conclusion is concluded

    本論文首先說明gsm無線公話產生的背景及現狀，第二章說明根據信息產業部和市場反饋制定的詳細需求，第三章說明確定的系統總體設計方案，第四章簡要說明構建該方案所用的sic33嵌入式系統平臺，第五章詳細說明作者負責設計的硬體驅動部分，第六章給出實際產品的測試報告，最後對本論文進行總結。
  17. First described in 1 892 by houghton.

    霍頓于年首度發現
  18. First described in 1 892 by houghton

    霍頓于年首度發現
  19. Sleek and black - bodied, unknown to the world until july 1993 - when it was first described to science from its mount butler " type locality "

    在二零零二年八月，郊野公園護理員發現了一隻香港從未有記錄的蝴蝶苎麻珍蝶。
  20. Since chinese four assets managements company were established, they started to face many challenges, especially " how to get back assets as much as possible and how to abate the handling cost as much as possible ? ", " how to effectively handle the bad financial asset by diversified manners ? ". asset - backed securitization is one of many effective methods to handling of bad financial asset by many assets management company in many foreign countries. at present, chinese financial assets management companies are exploiting in the field, however not get to success yet. based on history study, statistic method and theory in combination with practices, this article first described the quo status and current development in handling of bad financial asset in china, and analyzad the problem happened during handling of bad financial asset. on basis of explaining relative theory and practice on asset - backed securitization and combining with successful experiences of foreign companies and latest development in china, this article tried t o conclude the general rules on bad financial asset - backed securitization, and pointed out that china had its primary conditions ready on asset - backed securitization and it was practicable to further develop financial innovation and execute bad financial asset - backed securitization. in considering of our established assets management company ' s structure, it designed a practicable program to implement asset - backed securitization by assets management companies. in designing, it focused on transfer pricing of bad financial asset, and at same time it included problem, study and countermeasures on establishment of special purpose vehicle under bad financial asset - backed securitization situation

    本論文採用歷史、統計、理論聯系實際的方法，從金融資產管理公司的成立背景談起，先描述了我國不良資產的現狀和處置進展，指出了目前不良資產處置存在的手段單一、技術含量低從而處置進展較慢、且效率不高等問題，然後在闡述資產證券化的相關理論與實務的基礎上，結合國外不良資產普遍應用資產證券化的成功經驗、以及國內研究的最新動態，力圖總結出不良資產證券化的一般規律性內容。並指出我國資產證券化的基礎條件已具備，進一步金融創新，對部分不良資產證券化是可行的。結合我國已成立的金融資產管理公司的不良資產結構，設計出了資產管理公司實施資產證券化的可行性方案。
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