有效原子數 的英文怎麼說

中文拼音 [yǒuxiàoyuánzishǔ]
有效原子數 英文
effective atomic number
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
  • : Ⅰ形容詞1 (最初的; 原來的) primary; original; former 2 (沒有加工的) unprocessed; raw Ⅱ動詞(原...
  • : 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...
  • : 數副詞(屢次) frequently; repeatedly
  • 有效 : effective; valid; efficacious
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結合的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量化分析,找出巖溶土壤肥力差異的主要方面及其根本因,論文主要從土壤剖面物理退化指標(土層厚度、機質層厚度、質地、團聚體、水分含量等) ,化學肥力退化指標(機質、全n 、全p 、全k 、堿解n 、速p和速k等) ,樣地土壤微生物指標(細菌、真菌、放線菌量及總量)以及樣地土壤種庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. The structure of this paper goes like this, the first chapter introduce the development of e - b / l in practice and in laws. and draw a conclution that the electrification of the b / l is a history tide. in the second chapter, on the basic of reseach the security trap in e - b / l running, 1 conclude six security elements of, e - b / l : the liability of the system, the authenticity of dealers ' identity. the integrity and secrecy of electronic data, and the validity and evidence effectiveness of electronic data. from the third chapter to the eighth, 1 reseach these elements one by one. the third chapter introduce the establishment of the e - b / l security system, and some related laws the fourth chapter introduce the certification authority of e - b / l. in the fifth chapter, 1 introduce the encrypt of electronic information and some countries ' control on use / import / export crytography. the sixth chapter introduce the concept and principle of digital signature, and reseach some related legal issues. the seventh chapter reseach the legal demand of validity, then come to a conclution that to establish a independent electronic information system is necessary. in the eighth chapter, 1 reseach some countries " regulation on the evidence effectiveness of electronic data

    第二章在分析電提單運作中的安全隱患的基礎上,歸納出其六大安全要素,即系統的可靠性、交易者身份的真實性、據電訊的機密性和完整性、據電訊的合法性以及交易者行為的不可抵賴性。第三章到第八章分別對這六大要素進行分析:第三章介紹了電提單網路安全體系的建立以及系統安全保護法規,第四章則介紹了電提單的安全認證機構,第五章介紹了信息加密技術以及各國立法對密碼技術的進出口及使用的控制,第六章介紹了字簽名的概念及理,並以bolero為例介紹了字簽名的技術方式,對關法律問題作了論述;第七章首先論述了電提單對性的法律需求,然後結合國內法和國際規則的規定論證了據電訊制度產生的必然性;第八章通過對各國立法對電證據的法律力的規定,論述了對電交易至關重要的據電訊的不可抵賴性。
  3. The document image segmentation is very useful for printing, faxing and such data processing. in this paper, an algorithm is developed for segmenting and classifying document image. feature used for classification is based on the histogram distribution pattern of different image classes

    通過對文檔圖像中不同據類型直方圖差異的研究,首次提出了一種利用小波域圖像來增強始文檔圖像,從而對文檔圖像進行分割的演算法。
  4. At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel

    首先,系統分析了影響黃河水位的水沙因素,及僅用水沙因素研究水位的可行性,並按變量對應思想採集它們的相應據;其次,由於相應水位過程據中含極強的非線性關系,本論文經細致的理論分析,將基本的非線性分析方法、統計建模方法、隨機分析理論、最小均方誤差則等等學理論及方法機揉合,提出了能實現這類據高精度擬合的分層篩選法,並改進了統計學中多因(三個以上)方差分析法;再次,將這一方法用於黃河中高及中低含沙類洪水相應水位過程的擬合,實現了這一典型非線性關系的高精度擬合,各年汛期上下游相應洪水位過程的擬合誤差都較小;最後,明確黃河下游含沙量對水位的主要影響方式,即含沙量主要是與其它因素聯合對水位作用;另外分析了要實現變動河床洪水位過程準確預報的困難所在及改進方向。
  5. At the same time, it also illustrates the superiority of this kind of communication by introducing the profibus field bus. take the transformation of focke packaging machine as an example, the main content is as follows : 1st, to analyze the plc control system of s5 series, and determine the concrete functions that the new plc control system hopes to achieve as well as how to achieve the goal through studying the work program of the original one ; 2nd, to demonstrate the advantage of the field bus in the process of digital alternation by introducing the principle agreement of field bus profibus ; 3rd, to achieve each function of the original control system through using siemens ' s plc control system in the design of hardware and step 7 in the software as well as designing and compiling control system of focke packaging machine ; 4th, to use fm455 for controlling temperature not only can meet the system ’ s severe request for temperature and efficiently avoid many demerits of the temperature control instrument but also can bring convenience for operation and maintenance ; 5th, to use the intouch configuration software to compile monitor and control program can accomplish the goal for real - time surveillance and control of the production line, while setting some parameters can provide a powerful alarming function

    以改造focke包裝機為例,主要內容如下: 1 、通過熟悉控制系統的工作流程,分析了s5系列可編程邏輯控制器的控制系統,確定新的可編程邏輯控制器控制系統需要實現的具體功能以及其實現方法; 2 、在本系統據交互中,通過介紹profibus現場總線理協議,論述了現場總線在工業通訊中的優點; 3 、下位機硬體設計上使用西門可編程邏輯控制器控制系統,軟體平臺採用西門step7 ,設計和編制了focke包裝機控制軟體,實現了控制系統的各項功能; 4 、本系統對溫度要求嚴格,採用溫控儀表控制溫度不能滿足系統要求,而且溫控儀表操作和維護都不方便,因此採用fm455溫度控制模塊進行溫度控制,滿足了系統對溫度的要求,同時又地避免了溫控儀表在操作和維護上的缺陷; 5 、在監控系統上,使用intouch組態軟體設計了系統的監控界面,從而實現了對生產線的實時監控,並且可以通過界面設置系統的一些參,同時提供了較強大的報警功能。
  6. Our study shows that the optical potential of the diffracted light of the semi - gaussian beam is far higher than that of the evanescent - light wave, and its maximum normal velocity of the incident atoms can be far grater than that of the evanescent - light wave under the same parameters, so the blue - detuned semi - gaussian beam, as a novel atomic mirror, can be used to efficiently reflect atoms with a normal velocity of greater than 1 m / s

    研究表明,半束蘭失諧高斯光束衍射光場的光學勢遠大於消逝波光場的光學勢,在同樣的參條件下,入射的最大速度也比消逝波光場的大,所以作為一種新穎的反射鏡,半束蘭失諧高斯光束可以被用來的法向速度大於1m s的入射
  7. Following this, a new phenomenological eos along isotherms that may be used at high pressures for nacl - type and cscl - type alkali halides, metals, periclase ( mgo ), rare - gas xenon solid, and so on, is presented, by making use of the definition of short - distance repulsive force constant ( a ) and the phenomenological function a ( r )

    在此基礎上,從短程排斥力常a的定義,及其與間距r唯象函出發,提出一個可應用於相對高壓下的新的等溫固體物態方程,並對它的性和應用性進行了研究與討論;本文還在實驗據的基礎上,運用了等壓過程中anderson - gr (
  8. It has been shown that whether resonant or non - resonant interaction system, the kerr effect weakens the coupling of the field - atom, shortens the cycle of quantum collapses and revivals of the atomic level occupation and makes the nonclassical correlation properties steady. kerr effects on the properties of the correlation, on the correlation intensity between the two - mode, on the photon - number distribution and on the bunching or antibunching effect of the two - mode su ( 1, 1 ) coherent states produce obviously different characters when it is changed the initial intensity of the light field. that is to say, kerr effect on the two interaction systems is accorded

    值計算結果表明:無論是共振還是非共振相互作用, kerr應均使與光場的耦合減弱,布居的崩塌與復甦的周期縮短,光場的非經典相關的穩定性增強;在初始光場較弱和較強兩種情況下,類kerr介質對雙模su ( 1 , 1 )相干態場兩模間的相關性、相關程度以及光的聚束與反聚束應產生的作用均明顯的區別,即kerr應對系統在共振及非共振作用時的影響是一致的。
  9. Within the frame of the abcd formulation of propagator of a time - dependent quantum system, the abcd law is extended to the so - called effective abcd system which effective beam quality factor is conservative ; we discussed the system like the propagation of the atom laser beam

    如果考慮激光內部間相互作用的影響,就要引入描述品質因間相互作用綜合作用果的物理量? ?品質因曲率半徑,利用heisenberg圖像得到傳播abcd形式。
  10. After completing the mctf using db2 wavelet, it is well integrated with discrete wavelet transform ( dwt ) and embedded zero tree wavelet. it uses atom structure to organize the coded bit - stream to achieve the brilliant combination of three scalabilities : temporal, spatial and psnr scalabilities. and the software platform is based on vc + + 6. 0

    在基於db2小波的運動補償時域濾波方法實現之後,本文將之和離散小波變換( dwt ) 、嵌入式零樹編碼進行機結合,並採用基於基本粒的據流組織結構將分層后的據流地組織起來,實現了具時間、空間、質量三方面的完整可伸縮性的編解碼系統,系統的軟體平臺基於vc + + 6 . 0實現。
  11. The essence of edid is to set up a normal behavior fuzzy sub collection a on the basis of watching the normal system transfer of the privilege process, and set up a fuzzy sub collection b with real time transfer array, then detect with the principle of minimum distance in fuzzy discern method the innovation point of this paper is : put forward the method of edid, can not only reduce efficiently false positive rate and false negative rate, also make real time intrusion detection to become possibility ; have independent and complete character database, according to the classification of monitoring program, design normal behavior and anomaly behavior etc., have raised the strongness of ids ; use tree type structure to preservation the character database, have saved greatly stock space ; in detection invade, carry out frequency prior principle, prior analysis and handling the behavior feature of high frequency in information table, have raised efficiency and the speed of detection, make real time intrusion detection to become possibility ; have at the same time realized anomaly intrusion detection and misuse intrusion detection, have remedied deficiency of unitary detection method

    這種方法的實質是在監控特權進程的正常系統調用基礎上建立正常行為模糊集a ,用檢測到的實時調用序列建立模糊集b ,然後用模糊識別方法中的最小距離則進行檢測。本文的創新點是:通過對特權進程的系統調用及參序列的研究,提出了基於euclidean距離的入侵檢測方法edid ,不僅能降低漏報率和誤報率,而且使實時入侵檢測成為可能;設計獨立而完整的特徵據庫,根據被監控程序的類別,分別設計正常行為、異常行為等,提高了檢測系統的強健性和可伸縮性;特徵據庫按樹型結構存儲,大大節省了存儲空間;在檢測入侵時,實行頻度優先則,優先分析和處理信息表中的高頻度行為特徵,提高檢測的速度和率,使實時入侵檢測成為可能;同時實現了異常入侵檢測和誤用入侵檢測,彌補了單一檢測方法的不足。
  12. The control of beam halo - chaos becomes a critical problem in the development of high intensity accelerator. efforts to remove the halo by collimation have been largely unsuccessful since the halos almost always regenerate. the mechanisms of halos are complex, such as nonlinear resonances and chaotic behavior etc. considering this, professor fang jin - qing who works in china institute of atomic energy pointed out that the theory of chaos control can be used to control beam halos. he presented the method to control halos by using nonlinear functions, which means nonlinear function g is added to the right of ion radial self - edlctric force equation and some nonlinear function are selected to control beam halos in simulations. in paper [ 69 ], controllerg = - 0. 15sin ( rmax - am ) 2 was used and the halo intensity was decreased to 0. 1078, the halos are removed partly

    束暈?混沌的控制是新一代強流加速器研製的關鍵問題,隨著強流離束應用前景的日趨廣闊而日益成為研究的熱點。傳統機械限束器因無法解決束暈的再生而收甚微,因為束暈的形成著其內在動力學機制?非線性共振以及混沌等。基於此,中國能科學院研究員方錦清將混沌控制的理論和方法開創性的運用於束暈?混沌的控制上,提出了控制束暈?混沌的非線性控制策略,即在粒徑向所受束自生場力方程的右邊加上非線性控制函g :並選取一些非線性函如等進行了控制的模擬研究,將束暈強度控制在0 . 1078左右,取得了初步的控制果。
  13. Key agreement is usually mentioned in general static group. based on virtual dynamic subgroup, agreed virtual dynamic subgroup scheme avdsg was proposed, which can manage the virtual dynamic subgroup by using the key information of the group

    基於gdh的協商式虛擬動態群組密鑰管理方案實現了利用來大群的密鑰信息,地建立和管理虛擬動態安全群的方法,與gdh方案相比,減少了很多的據傳輸和密鑰存儲空間。
  14. Owing to the extremely small dimensions, nanometer materials are structurally characterized by a large volume fraction of grain boundaries or interphase boundaries, which exhibit some unique structural characteristics and novel properties with respect to the conventional coarsegrained polycrystalline materials

    由於納米粉體材料尺度極小,使之表面、表面能急劇增加,產生了宏觀物體所不具的表面應、小尺寸應、量應及宏觀量隧道應等新的性能。
  15. Soft client server is secretly installed on isp, wan, host computer of important and sensitive part needed to be controlled to collect network data. after transmitting in real - time to email monitor center, pop3, information such as smtp and web - mail from these data are analysis and retrievable, password intercepted, classified and alert, mean wile the center can monitor in real - time on over 1000 nodes by controlling working status and filter condition and software refreshment etc. the system occupies less than 4 percent of system recourse under the condition of without losing package

    客戶端採用隱蔽式安裝方式在需要控制的敏感地區的isp 、局域網、網吧以及上網主機上安裝,對進出的網路據進行採集,然後將採集的據實時發送至電郵件監控中心,電郵件監控中心對這些據中的pop3 、 smtp以及web - mail電郵件信息進行分析還、口令截獲、歸類及報警,並根據情況對客戶端的工作狀態、過濾條件、軟體更新等進行控制操作,從而實現了對高速網路( 100mbps以上) 、 10000個監控節點以上網路據的實時監控。
  16. Now with a better understanding of the symptoms, i think i should be able to tell you now that in fact everyday we are monitoring all these cases. as i said at the beginning of february, pneumonia is very common. just to give you a rough figure, there could be more than a thousand cases each month especially during winter months

    所以我們現時對癥狀的認識更清楚的時候,我可以比較清楚地告訴大家,這些案例我們每一天都在監察,正如我在二月初向大家所說,肺炎根本是常見的,如果我們籠統地說它的目,一個月可以是超過一千宗的,尤其是在冬季的日里,但當中當然包括很多種類的致病因,最簡單的由細菌引致的,細菌可以導致肺炎,我們非常的抗生素可以治療。
  17. This paper illustrates detailedly the thin groupware auto - adaptive recognition system ; it also illlustrates the procession of capture image and take indispensable foreclose to wipe off noise in order to get boundary easilyer. the recognition system uses " hough " transform method to make the recognition area orientation, and according to the unstable environment such as lights which leads to the change of the image ' s brightness, thresholds picture using an iterative selection method and then growing process for cell image segmentation based on local color similarity and global shape criteria, adaptively gets the best threshold to divide the washer off the background. the recognition system uses the classifier based on minimal - error - ratio bayes method to make decision after getting image characteristic

    本文詳細介紹了薄形組合件自適應識別系統;闡明了圖像的分通道自動採集過程,以及對採集到的始圖像所進行的預處理方法。通過採用哈夫變換去除偽邊緣點的方法,地解決了識別區域的定位問題。針對裝配零件(主要是墊片)薄、小導致圖像信息少、識別難度大,以及材質不一導致採集到的組合件圖像亮度波動等問題,提出了使用最佳閾值迭代法和使用種填充的圖像串列分割技術,自適應地找出最佳閡值,使墊片和背景分離,從而提取墊片目信息。
  18. We take the center of well as the origin of coordinates. we noticed that the electron ' s effective mass is different in the well and in the barrier, but did n ' t pay attention to the mismatch of the dielectric constant

    33 )量于階中心,把量階中心選作坐標點,考慮了在階中和壘中電質量的不同,但沒考慮在階中和壘中介電常的失配性。
  19. The key issue of the study is to solve the effective exhaustion item type of the small - scale original numerator and sparse data set, so it can make analysis on all the possibilities of the containing type

    研究的核心問題是解決對小規模項和稀疏據集進行的窮舉項類型,從而進行所蘊涵式可能性的分析。
  20. Based on the thomas - fermi approximation, the finite number effect, along with dimensionality, has been discussed for a bose system and fermi system trapped in 3d, 2d, 1d anisotropic harmonic oscillator potential, without considering the inter - atom interaction. we indeed found the remarkable differences between the finite number case and the thermodynamical case, including dimensionality

    基於thomas - fermi近似,在不考慮間相互作用的前提下,我們分別對處於三維、二維、一維諧振勢場中的bose體系和fermi體系的熱力學性質作了詳細的討論,並得到了限粒應下熱力學量和臨界溫度的修正。
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