trace field 中文意思是什麼

trace field 解釋
跡場
  • trace : n 1 跡,足跡,蹤跡,去向。2 痕跡;證跡,線索,結果;【心理學】記憶痕;【植物;植物學】(脈)跡。3...
  • field : n 菲爾德〈姓氏〉。n 1 原野,曠野;(海、空、冰雪等的)茫茫一片。2 田地,牧場;割草場;〈pl 〉〈集...
  1. At the same time, the quality of different - state water was studied. the results show : the soil bulk density of the fir wildwood heightens with the increase of soil depth, specifically 0. 74 > 0. 94 andl. 34g / cm3, the saturated, canaliculus and field moisture contents decrease gradually in layer a, b and c, accordingly the soil total foveola decreases gradually, and the moisture - hold capacity of the soil lessens gradually with the increase of the soil depth ; there is small difference of the soil bulk density between layer a and b in the outer space, which are respectively 0. 92 and 0. 99g / cm3, and the other laws are the same as the in ner in the main ; reverse success often occurs in the low position of the thoroughly - fell trace and plateau marsh is formed

    結果表明:冷杉原始森林土壤容重隨土層深度的增加而增大,分別為0 . 74 、 0 . 94 、 1 . 34g cm ~ 3 ,飽和持水量、毛管持水量、田間持水量a層、 b層、 c層逐漸減小,十壤總孔隙度也逐漸減小,土壤的持水能力隨深度的增加逐漸減弱;林外空地a層、 b層十壤容重相差不人,分別為0 . 92和0 . 99g cm ~ 3 ,其它規律與林內人體相同:皆伐跡地的低洼地段容易發生逆行演替,形成高原沼澤地。
  2. Based on the investigation and research, the paper gives a testing method, which measures the taking off and landing distance of airplanes with the laser locating system for airplanes trace. and by way of the field measuring on plateau airports, we have got the integrated modifying coefficients of three kinds of airplanestaking off and landing running distance such as h6. all of these provide scientific basis for the runway length design of the plateau airport

    在調研論證的基礎上,提出了利用《飛機起落航跡激光定位系統》測定飛機起飛著陸滑跑距離的測試方法,並通過高原機場實地測試,得出了三種飛機在高原機場上起飛著陸滑跑距離的綜合修正系數值,為高原機場跑道長度設計提供了可靠的理論依據。
  3. We propose a novel controllable atomic beam - spiller based on the uccc and discuss the splitting mechanism of the guided atomic beam in the beam splitter from two aspects of the magnetic - field distribution and the trace of the guiding centers. the splitting ratio of the beam splitter can be adjusted by adding a homogeneous bias magnetic field along the y - direction, and the relationship between the splitting ratio and the additional bias field is analyzed

    本文提出了一種採用在y方向上加一偏置磁場來實現分束比可控的新穎原子分束器,並從磁場分佈和導引中心軌跡兩個方面,詳細分析和討論了基於u -型載流導體所構建的原子分束器的分束機制。
  4. Also, with the fast method for computing the, trace of the elements in the finite field, two blind signature schemes based on extended xtr system are presented, the security is equivalent to solving discrete logarithm problem of extended xtr group while the datum is only as 1 / 3 as that of the previous schemes

    和別的方案相比,該方案在匿名范圍選取上具有靈活性,在身份追蹤上具有限制性。 ( 4 )在xtr體制下,分別構造了一個環簽名、盲簽名和群盲簽名演算法。
  5. But in contrast of the research of chemical weathering of other rocks, such as granites and basalts, the research of chemical weathering of black shales both in width and depth still remains much to advance. after reading and investigating widely, we selected lower - cambrian black shales and their weathering profiles in hunan province as research objects of our work at first. then, based on field investigation of weathering status of lower - cambrian black shales and it ' s relationship with soil composition and human activities in hunan, we studied changes of chemical composition such as major and trace elements before and after weathering of black shales by comparison

    根據文獻閱讀和野外調查,本文選擇了湖南安化、桃江、望城等地下寒武統黑色頁巖及有關風化剖面作為研究對象,並在查明湖南下寒武統黑色頁巖的風化現狀及其與土壤組成、人類活動的關系的基礎上,對比研究了黑色頁巖風化前後主量和微量元素等化學組成的變化,探討了元素的富集和遷移轉化機制以及黑色頁巖風化與區域環境質量的關系,得出了如下幾點主要成果和認識: ( 1 ) ti是黑色頁巖風化過程中的「不活動」元素,可作為參照元素,對其它元素的活動性進行質量平衡計算。
  6. The study covers regional geology, the physicochemical conditions of cu - ag polymetallic mineralization area, transport forms of copper and silver, the ore - forming geochemical mechanism of cu & ag, the geochemical characters of major element, trace element and lanthanon in mineralization field, the ore - forming age and geochemical mode, and so on

    研究內容包括:區域地質和礦田地質,銅銀多金屬礦形成的物理化學條件,銅銀遷移形式,銅銀富集的地球化學機理,礦田常量元素、微量元素和稀土元素地球化學特徵,白秧坪銅銀多金屬礦田成礦時代和地球化學模式等。
  7. Determination of environmental pollutants using biological detection method such as bioassay, immunoassay and in vitro receptor binding test is a hot point in the field of environmental monitoring, especially the analysis of the trace dioxin - like chemicals ( dlcs )

    摘要應用生物檢測手段(如生物法、免疫測定及體外受體結合實驗等)檢測環境污染物是環境檢測領域一個研究熱點,特別在二惡英類化合物的痕量分析中的作用令人矚目。
  8. Xrd analysis at different depth of zro2 sintered body indicates that it has trace to be bombarded by high - energy particles at top surface, this results are the evidence for the existence of pulse electric field

    Zro _ 2燒結體不同深度的xrd分析表明:樣品表面有被高能粒子轟擊過的痕跡,脈沖電場誘發場發射電子及高能c粒子對樣品表面轟擊。
  9. The main characters of the thermal fluid activity are recognized as follow : many types and stages of veins are widely developed ; vitrinite reflectivity of different areas varies apparently with the depth ; there was a high temperature field during the formation of the thermal fluid, meanwhile, the volcaniclastic rocks were modificated by the thermal fluid activity, for example, sericitization of plagioclase, chloritization of volcanic detritus in andesitic detris tuff ; in the tufaceous mud, the thermal fluid activity accelerates " maturating " of the organic carbon by heating ; and the trace elements show an anomaly in the wall rocks

    同時,受熱流體活動的影響,熱流體對火山碎屑巖具有一定改造作用,如在安山質巖屑凝灰巖中,斜長石絹雲母化、火山巖巖屑綠泥石化明顯;在凝灰質泥巖中,熱流體對圍巖中有機碳具有明顯的「催熟」加熱作用,微量元素則出現異常現象。
  10. By initiating the values of vector description for a primitive element, all finite field elements could be generated by continue cyclic shifting, gmw sequences then could be generated by trace function calculation

    通過預置本原元向量表達的初始值,不斷的進行向量循環移位來生成有限域中的元素。生成有限域中所有元素后,即可按跡函數計算出gmw序列。
  11. The main contributions of the second part of this dissertation are focused on the cryptographic properties of logical functions over finite field, with the help of the properties of trace functions, and that of p - polynomials, as well as the permutation theory over finite field : the new definition of chrestenson linear spectrum is given and the relation between the new chrestenson linear spectrum and the chrestenson cyclic spectrum is presented, followed by the inverse formula of logical function over finite field ; the distribution for linear structures of the logical functions over finite field is discussed and the complete construction of logical functions taking on all vectors as linear structures is suggested, which leads to the conception of the extended affine functions over finite field, whose cryptographic properties is similar to that of the affine functions over field gf ( 2 ) and prime field fp ; the relationship between the degeneration of logical functions and the linear structures, the degeneration of logical functions and the support of chrestenson spectrum, as well as the relation between the nonlinearity and the linear structures are discussed ; using the relation of the logical functions over finite field and the vector logical functions over its prime field, we reveal the relationship between the perfect nonlinear functions over finite field and the vector generalized bent functions over its prime field ; the existence or not of the perfect nonlinear functions with any variables over any finite fields is offered, and some methods are proposed to construct the perfect nonlinear functions by using the balanced p - polynomials over finite field

    重新定義了有限域上邏輯函數的chrestenson線性譜,考察了新定義的chrestenson線性譜和原來的chrestenson循環譜的關系,並利用一組對偶基給出了有限域上邏輯函數的反演公式;給出了有限域上隨機變量聯合分佈的分解式,並利用隨機變量聯合分佈的分解式對有限域上邏輯函數的密碼性質進行了研究;給出了有限域上邏輯函數與相應素域上向量邏輯函數的關系,探討了它們之間密碼性質的聯系,如平衡性,相關免疫性,擴散性,線性結構以及非線性度等;討論了有限域上邏輯函數各類線性結構之間的關系,並給出了任意點都是線性結構的邏輯函數的全部構造,由此引出了有限域上的「泛仿射函數」的概念;考察了有限域上邏輯函數的退化性與線性結構的關系、退化性與chrestenson譜支集的關系;給出了有限域邏輯函數非線性度的定義,利用有限域上邏輯函數的非線性度與相應素域上向量邏輯函數非線性度的關系,考察了有限域上邏輯函數的非線性度與線性結構的關系;利用有限域上邏輯函數與相信息工程大學博士學位論文應素域上向量邏輯函數的關系,揭示了有限域上的廣義bent函數與相應素域上的廣義bent函數的關系,以及有限域上的完全非線性函數與相應素域上向量廣義bent函數之間的關系;給出了任意有限域上任意。
  12. This is just a method for using to passing 16 bits 44. 1s khz passage compressing more musics within many hdcd technique, look like technique read with the strong scope of 16 bits coding. that system at used the process to inside expressed extreme of excellent technique, also reflected a personal sense of hearing, recording, electronics design with figures number coming of modern ear that handle. the graveness that hdcd technique is a figures stereo set leaps. the easy to do compares a mother for using the hdcd plait the solution code to take with a tradition of 16 mother that bits 44. 1s khz the edition take, and the hdcd can get the resolution of more detailses ; the restoring of tone color is too more accurate ; the high part is more smooth, and also little the trace of the many artificial ; more wide and dynamic scope ; big development with complicated chapter more contain clarity ; field of more wide voice ; when the musical instrument of the other and big volume give musical performance, can more goodly the hear the small volume musical instrument deeply thought to deduce. even we expect already a long time of the cd system type of the high quality way for a life time empress, 16 bits 44. 1s khz system type cd will still very longly a period of time inside can t withdrawing the music satge, because hdcd system providing first kind from the cd format obtaining bestly music

    Hdcd技術是數碼音響的重大飛躍。輕易比較一個用hdcd編解碼的母帶和一個傳統的16bit 44 . 1khz版本的母帶, hdcd可以得到更多的細節解析度音色的還原也更加準確高音部分更加平滑,也少了許多人工的痕跡更寬的動態范圍大動態和復雜的章節更有透明度更寬廣的聲場當其他大音量的樂器演奏時,可以更好地聆聽小音量樂器的精微演繹。即使我們期盼已久的超高音質的cd制式面世后, 16bit 44 . 1khz制式cd仍將很長一段時間內不會退出音樂舞臺,因為hdcd系統提供了一種從cd格式里獲取最好音樂的方式。
  13. Trace of electron in oscilloscope following the change of electric field

    示波器屏上電子掃跡與時變電場的關系
  14. This paper briefly reviews the history and progress of trace metal marine ecotoxicology over the past few decades. three main areas of metal ecotoxicology are transport in the environment, accumulation and toxicity, as well as the risk assessment. we have seen tremendous progresses in these areas as a result of interdisciplinary efforts by biologists, chemists, engineers, governmental regulators and managers. i then discuss the future perspectives of metal ecotoxicology. it is expected that this field will receive increasing attention in china. certainly i hope that xiamen can become a center for metal ecotoxicology and biogeochemistry research

    簡要回顧了痕量金屬的海洋生態毒理學研究的歷史及過去幾十年中所獲得的進展.金屬生態毒理學研究主要包括以下3個方向:環境中的轉移,毒性積累及危險評估.在來自於多種學科的專家,包括生物學家,化學學家,工程師和政府監督管理人員等的共同努力下,這3個方向的研究都獲得了長足的發展.同時對金屬生態毒理學的未來進行了展望.可以預見的是,這門學科將在中國受到越來越多的關注.我更希望看到廈門能夠成為未來金屬海洋毒理學發展的中心
  15. In the gucheng ( ancient city ) oil field, where isotope trace injection profile test is not suit for, by having applied and spread the temperature method injection profile testing technique, a comparatively accurate injection profile result has been got. furthermore, during the process of dynamic monitor in steam injection development reservoir, the testing technologies of general well ' s temperature throughput profile in injection steam throughput production well and general well ' s temperature taking in steam profile in intermission steam pushing injection steam well are initiated, which having extended the applied field of the conventional temperature logging equipments, reduced the dynamic monitoring cost of thermal production reservoir greatly and provided much accurate and reliable data for the study of reservoir ' s behaviors and adjustment of developing projects

    在不適宜進行同位素示蹤吸水剖面測試的古城油田,推廣應用了井溫法吸水剖面測試技術,取得了較為準確的吸水剖面,而且在注汽開發油藏動態監測工作中,首創了注蒸汽吞吐採油井普通井溫法吞吐剖面測試技術和間歇汽驅注汽井普通井溫法吸汽剖面測試技術,拓展了普通井溫測井裝備的應用領域,大大降低了熱採油藏動態監測成本,為油藏動態研究和開發方案調整提供了大量準確可靠的資料。
  16. Precision of standard method for rapid field test for trace lead in unleaded gasoline

    無鉛汽油中痕量鉛現場快速測定試驗法的精密度
  17. One is the " belt persistence ", which is defined as the total length of joints teace length in a 1m wide belt projected to a basic line ( eliminating the overlay section ) over the length of the basic line. another is the one called as " search persistence ", which is defined a as the total length of joints trace length on the searched potential slipe surface over the length of the slip surface. thus, the author establishes a measuring and calculation system to these definitions and finishes a great deal of field investigation aiming at the joints trace length and the " rock bridge " survey

    在此基礎上,針對a區邊坡的穩定性,結合邊坡的破壞失穩模式,以邊坡節理巖體的連通特性的研究為突破點,從節理巖體的幾何參數的統計分析出發,採用monte - carlo隨機模擬原理形成節理網路模擬圖,以巖橋和節理組合破壞的內在機制為依據,以搜索節理巖橋組合的最短路徑為手段,通過帶寬投影法與路徑搜索法兩種方法的計算,獲得了sn向中緩節理的連通率分別為48 . 7和56 . 78 ,最終推薦60的連通率進行了邊坡的穩定性分析與計算,並結合工程實際,計算了邊坡的推力與錨固力,最終為邊坡的支護設計提供優化建議。
  18. Specification for rapid field test for trace lead in unleaded gasoline colorimetric method

    無鉛汽油痕量鉛快速現場試驗方法
  19. Standard test method for rapid field test for trace lead in unleaded gasoline colorimetric method

    測試無鉛汽油中痕量鉛的快速現場試驗方法
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