n-value 中文意思是什麼

n-value 解釋
n值
  • n : 1. 【羅馬數字】90〈N＝90000〉。2. 【化學】＝nitrogen. 3. ＝North（ern）。N ＝nuclear 核的：N-waste 核廢料。
  • value : n 1 價值；重要性；益處。2 估價，評價。3 價格，所值；交換力。4 （郵票的）面值。5 等值；值得花的代...
  1. For this purpos, from the point of the log geology, aimed at the actuality of the current fractured reservoir log geology interpretation and evaluation, based on synthetical analysis of the current domestic and foreign fruit of fractal dimension investigation of reservoir fracture, using the method and technique of fractal dimension, through the further discussion of the fractal dimension characteristics of m index and n index in the log interpretation archie model in a sample way and through the theoretic reasoning to the fractal dimension dfa and m index of fractured reservoir interval ' s log curve, according to the geophysical signification of the fractal dimension dfa of fractured reservoir interval ' s log curve shape : the more complicated the change of the curve shape is, the larger the its dfa value is, then the more complicated space structure of fracture and pore, then the higher value of m index of space structure of fracture and pore, and so on, the text propounds an improved method, based on box dimension, of covering log curve with scale grid, and by programming computes the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, then further puts this technique into application investigation, and makes analysis of application effects in the reservoirs located in l area of qx oil field from three aspects : 1. the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, which are derived from computing, is used to identify reservoir type by crossplotting m index with the product df _ acrt of fractal dimension of acoustical wave log curve and restivity log curve and by experiential discriminance plate of reservoir type in l area of qx oil field

    因此，對該區裂縫性儲集層的類型識別、孔滲特徵的測井地質解釋以及儲層裂縫的發育和分佈規律進行深入的研究便成為本文研究的出發點。為此，本文從測井地質的角度，針對當前裂縫性儲層測井地質解釋與評價的現狀，在綜合分析當前國內外儲層裂縫的分形分維研究成果的基礎上，利用分形分維方法和技術，通過對archie測井解釋模型中的m指數、 n指數的分形分維特性的深入淺出的論述以及裂縫性儲層段測井曲線分維d _ （ fa ）與m指數的理論推導，根據裂縫性儲層測井曲線形態分維值的地球物理意義? ?曲線變化越復雜，則其分維值d _ （ fa ）越大、裂縫孔隙空間結構越復雜、裂縫孔隙空間結構指數m值越高等特徵，提出了改進的基於盒維數的測井曲線網格覆蓋法，編程計算了裂縫性儲層段常規測井曲線（如聲波和電阻率曲線）上分形分維值及其m指數值，進而從以下三個方面對qx油田l區塊的裂縫油藏進行應用研究，效果十分理想： 1將計算得到的可變的m指數與聲波和電阻率分維之積df _ acrt進行交繪，採用儲層分維值分類技術統計分析這些參數變化的規律，並結合qx油田l區塊儲層類型經驗判別圖版，從而實現qx油田l區塊下白堊統的裂縫性儲層的類型識別。
  2. N. c. v. no commercial value

    無商業價值
  3. We can try and solve congruences modulo pn for higher and higher value of n.

    我們可以對越來越大的n去試解modpn的同余式。
  4. Furthermore, our legal institution for acquisition of listing company also has many shortcomings : its specific rules are not detailed enough, its logic is not strict, its inclination of value often self - contradict, its content is not integrated, the corporation law and securities law have n ' t supported it sufficiently, and the particularity of state - owned capital makes it unsuitable to the international consuetude

    同時，上市公司收購的法律制度也很不成熟：微觀層面上具體規則不夠詳盡、可行性差，中觀層面上內在邏輯不嚴密、價值取向不清晰、內容不完整，宏觀層面上公司法與證券法體系未能提供足夠制度背景、特殊國有資產關系的介入又不符合國際慣常做法。
  5. By infrared spectrum study, the limonite ( feooh nh2o ) can be considered the main colorating mineral in the yellow and red jadeite, and the hematite is another colorating mineral in the red jadeite. the difference of color tone is due to the n value in the molecular formula feooh nh2o and the content of crystal water and adsorbent water. the iron ion came from the effloresced and eroded rocks, and formed fe ( oh ) 3 colloid reacted with the surface water

    周圍礦床的風化蝕變為表生水提供了鐵質，形成弱酸性的含fe （ oh ） _ 3膠體的水溶液，表生水流經翡翠礦石時， fe （ oh ） _ 3膠體附著在巖石的表面，經過脫水結晶和吸附，形成褐鐵礦膠體，褐鐵礦膠體沿裂隙或鬆散的礦物顆粒進入翡翠巖石中，逐漸累積沉澱，形成次生色層。
  6. Firstly, in spherical coordinate system, the sovp formulation for the time - harmonic electromagnetic fields of the current dipole in conductive infinite - space is derived, using reciprocity theorem and transforming relations between special functions. then, selecting appropriate coordinate system, using superposition principle, the boundary - value problem of modified magnetic vector potential on the problem of a time - harmonic current dipole in spherical conductor is solved and analytical solution is obtained. finally, by means of the addition formulas of legendre polynomial and spherical harmonics function of degree n and order 1, the analytical solution in spherical coordinate system specially located is transformed into that in spherical coordinate system arbitrarily located

    首先利用特殊函數間的轉化關系和互易定理推導得到了無限大導體空間中球坐標下時諧電流元電磁場的二階矢量位形式：然後利用疊加原理，選擇合適坐標系，求解了導體球中時諧電流元的修正磁矢量位邊值問題，得到了問題的解析解；最後依據不同坐標系下電磁場解的轉化原理，藉助勒讓德多項式和n次1階球諧函數的加法公式，將坐標系特殊安放時的電磁場解析解變換到坐標系一般安放時的解析解，給出了球內電場和球外磁場的並矢格林函數。
  7. Marine insurance policy of certificate in duplicate, indorsed in blank, for full invoice value plus 10 percent stating claim payable in thailand covering fpa as per ocean marine cargo clause of the people ' s insurance company of china dated 1 / 11981, including t. p. n. d. loss and / or damage caused by heat, ship ' s sweat and odoour, hoop - rust, breakage of packing

    保險單或保險憑證一式二份，空白背書，按發票金額加10 %投保，聲明在泰國賠付，根據中國人民保險公司1981年1月1日的海洋運輸貨物保險條款投保平安險，包括偷竊提貨不著，受熱船艙發汗，串味，鐵箍銹損，包裝破裂所導致的損失。
  8. Extracting oat oil with aceton, petrobenzine, ethano - aceton and n - hexne from oat, determining quality of physical and chemic about acidity value, iodic value, saponification value, unsaponification, colour and melting point, analysis on composition of fatty acid on oat oil

    摘要分別以乙醚、丙酮、丙酮乙醇、正己烷對燕麥進行萃取，對所得油脂進行酸價、碘價、皂化值、不皂化物、色澤、熔點等理化性質的測定，同時對燕麥油的脂肪酸組成進行分析。
  9. 3. it is exert through cultivated in a pot experiment cultivation for two month lindane and ddt original pesticide experiment after two month to get soil examine appearing value very low to find to observe. soil sampled form j and n farm which have used lindane and ddt for 40 years, the analysis result showed that the residue of the two pesticides are very high. lindane remains and reaches as high as 996. 06 g kg - 1, and ddt is 3382. 75 g kg - 1 4

    經過盆栽實驗兩個月的培養觀察發現施加到土壤中的林丹與ddt原藥在兩個月的實驗后檢出值較低具有使用林丹、 ddt四十年歷史的北京近郊j 、 n農場中兩種農藥殘留較高，林丹殘留最高可達： 996 . 06 g ? kg ~ （ - 1 ） ， ddt殘留最高可達： 3382 . 75 g ? kg ~ （ - 1 ） 。
  10. Furthermore, establish relationship between people and traditional architecture, and then found livability and viability living area. the life style and habitation of people whom living there from early 20th century to nowadays be parts of history, while we do n ' t value it

    論文立足於正確理解七賢莊地區的歷史、人文特色和建築魅力，建立人與傳統建築的聯系，尋求現代生活與傳統院落融合的切入點，實現地區的可持續發展。
  11. We can try and solve congruences modulo pn for higher and higher value of n

    我們可以對越來越大的n去試解mod pn的同余式。
  12. Following the research route of mend with study and development with creation, give the definition of risk and the methods of risk identifying, divide the risk attitude into risk loving, risk neutralism and risk avoiding, point out the importance of enhancing the risk consciousness for lightning hazard, and summarize the mechanisms of lightning hazard the theories and methods of risk assessment for lightning hazard. provide a set of risk assessment parameters for lightning hazard, which includes lightning times n, hazard probability p, hazard loss d, hazard risk r and protection efficiency e, and give the definition, decisive factor, value method and value scope of each parameter. establish a risk assessment model for lightning hazard which includes lightning hazard base module, lightning hazard probability module, lightning hazard loss module, lightning hazard accepted risk module, lightning protection cost module, correcting coefficient module, lightning hazard risk module, and lightning protection class and efficiency module

    遵循借鑒改造和發展創新的研究思路，給出了風險的定義和風險識別的方法，將風險態度分為風險喜好型、風險中庸型和風險逃避型，指出了提高雷電災害風險意識的重要性，總結了雷電災害的作用機制和雷電災害風險評估的理論與方法；提供了包括雷擊次數n 、雷災概率p 、雷災損失d 、雷災風險r和雷電防護級別與防護效率e等5類基本參數的雷電災害風險評估參數體系，並給出了各個參數的定義、參數的決定因素和取值方法以及取值范圍；設計了包括雷電災害基礎模塊、雷電災害概率評估模塊、雷電災害損失評估模塊、雷電災害允許風險評估模塊、雷電防護成本評估模塊、校正系數模塊、雷電災害風險評估模塊、雷電防護級別與效率分析模塊等8個模塊的雷電災害風險評估模型，評估模型以iec61662的評估模型為基本參考，以雷災損失d為中心，把雷災風險劃分為經濟雷災風險r _ e和人身雷災風險r _ l ，並對r _ e和r _ l分開單獨處理。
  13. In this papery we discussed the the extremum of function of several variables, and generalized the result of paper [ 2 ], then we give the method of solving the extrme value of n - component function using first class partial derivative

    摘要討論了多元函數極值的問題，推廣了文獻[ 2 ]的結果，並給出了利用一階偏導數求多元函數極值的方法。
  14. The way of taking one nth out of capacitor ' s the first harmonic capacitive reactance as its nth harmonic impedance is verified whit the data from tang7c. according to the approximately estimating method, the first harmonic impedance of 220kv system is calculated. on the basis of the models, this paper gives the harmonic equivalent circuit of substation and gives the b ( n ) function of the harmonic time n. when the capacitors has different combination, b ( n ) ' s value will also change, with the inputting local measurement data, the paper studies the series and parallel resonance at the substation, and deduces that the reason the capacitor ' s fuse of tang6c is frequently interrupted is that its capacitor current contains a large number of 5th harmonics, and that the reason the discharging pt of tang7c capacitor being exploded is also that the 7th and 9th harmonic currents are amplified

    據此，對該站進行了串聯諧振分析和並聯諧振分析，並結合測試數據和有關變電站的運行記錄，指出了導致該站電容器湯6c頻繁燒保險的主要原因是5次諧波電流含量偏高，引起湯7c放電pt爆炸也是因為7次和9次諧波電流被放大。針對這些導致湯陰變電站補償電容器故障的原因，提出了相應的諧波治理措施，包括針對湯6c電容器5次諧波電流含量偏高的原因，提出了停運湯6c電容器或者通過把湯sc電容器的部分容量併入湯6c電容器（湯sc其餘部分停運）以增加湯6c諧波承受能力的措施;針對# 2變低壓側7次和9次諧波電流被放大的現象，提出了在湯7c電容器上加裝一定百分比的串聯電抗器的措施。
  15. N is not the smallest possible value for a legal partition.

    對合理分化，N不是最小的可能值。
  16. The maximum of the piezoelectric constant d33 is 68pc / n when the volume fraction of pzt, pvdf, pan is 0. 55, 0. 45, and 0. 05 respectively. finally, when the n, a, p are 6, 0. 6, 0. 3 respectively, the calculation value can agree well with the experimental data

    而且經過理論計算與比較，當以下三個參量取下列值時，即陶瓷顆粒形狀因子n = 5 、極化率= 0 . 6 、結構因子q = 0 . 3時，實驗數據與理論計算吻合較好。
  17. Second, proposing a hybrid recommendation strategy which used multi - agent system, collaborative filtering, and top - n together to generate right recommendations for customers in different profitability tiers. in the first part, we have defined customer value from two categories : intrinsic value and network value. based on customer ' s historical behavior, segment them with considering their recency, frequency, and monetary

    明確指出高價值客戶可體現在兩個方面：一是具有高自身價值的客戶，二是具有高網路價值（客戶的網路影響力）的客戶；其次，由顧客的歷史和當前行為，特別是從recency （最近訪問時間） 、 frequency （訪問頻度） 、 mon6t8ry （購買投人）因素出發，進行顧客內部價值挖掘：並通過形式化顧客的網路價值，給出完整的分層演算法和相應實驗。
  18. It also has important reference value for the similar construction. by the safety and seismic evaluation of this aqueduct bridge, it has shown that ( 1 ) besides the structure of this aqueduct bridge was basically unharmed without some flake of concrete cover and revealing stirrup, its intensity basically reached the need of primary design. ( 2 ) from the side of carrying capacity, rib arch could satisfy the needs under the action of wind and earthquake, but some individual frame crossbeams and most rib arch tie beams could n ' t satisfy the need

    通過對東滑峪渡槽進行安全性能和抗震性能評估后表明： （ 1 ）渡槽除肋拱頂面有保護層剝落、箍筋外露，結構基本完好，其強度基本達到西安理工大學工程碩士專業學位論文原設計的強度要求； （ 2 ）從承載力方面看，在風荷載、地震作用下，肋拱基本滿足要求，個別排架橫梁不滿足要求，肋拱連系梁普遍不滿足要求；計入水平橫槽向地震作用的工況為設計控制工況。
  19. Tvb - n value, tba value, dehydration rate, thawing waste, cook drip were measured after being stored a period of time

    定期取樣測定其揮發性鹽基氮（ tvb - n ）值、硫代巴比妥酸值（ tba ） 、冷藏乾耗率、物料解凍時的汁液流失量及煮汁率。
  20. The decision tree had a lot of algorithms, this paper focus on the optimization of fast classification in the face of n - value attribute of id3 algorithm which had parameters of user ' s interest. on the basis of avoiding the weak relevant attribute of n - value covered the worth strong relevant attribute, simplify complexity of the original algorithm and code cost through the mathematics tool, thus raise the speed of operation while using this algorithm, and lower costs in thrift as much as possible, to raise the efficiency

    決策樹學習有很多演算法，本文著重研究了對引入用戶興趣度參數的id3演算法在面對多值屬性時的快速分類的優化，在避免了多值弱相關屬性覆蓋少值強相關屬性的基礎上，通過數學工具簡化原演算法的復雜度和編碼代價，從而提高使用該演算法時的運算速度，盡量多的節約計算時間，從而達到降低成本的，提高效率的目的。
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