針入密度 的英文怎麼說
中文拼音 [zhēnrùmìdù]
針入密度
英文
needle-density-
And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed
研究結果如下：首先針對荒漠化地區的地物特徵，對高光譜數據不同波段的數據質量、波段組合進行了評價，提出了適用於荒漠化監測的基本波段選擇集；初步了解和掌握了研究地區的地物光譜特性及變異規律，進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎；發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象，對于譜形相似而整體反射率的值相差較大的兩類地物，通過引入均值和方差圖像參與分類得到解決；研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段，這些波段與植被生物量和蓋度都有密切的關系，是開展精細植被分類研究和植被定量反演的重要基礎；像元的導數光譜分析可以消除土壤背景的影響，是進行植被生物量和蓋度定量反演的有力工具；建立了荒漠化監測主要評價因子的定量反演模型，並分析了模型的適用性。According to the feature that deformation resulted from water absorption and mildew appear mainly on the rabbet surface of ccf, this paper adopts rsst to spray a special waterproof sealant on rabbet surface of ccf, so that the sealant can get into fiberboard to certain extent by means of capillarity and penetration, blockage the holes between fibers and capillary, cut up passage of water and change the properties of soakage and sorption to water in capillarity and fiber. at the same time, solidified sealant can form a compact waterproof pellicle on rabbet surface so as to prevent water and humidity from fiber ' s expansion and mildewing
針對吸水變形、霉變主要發生在地板企口表面的特徵，採用企口表面全封閉法，在復合強化地板企口表面噴塗特殊的防水封閉劑，使其依靠毛細管作用及滲透作用進入板內一定深度，堵塞木纖維之間的空隙及毛細孔通道，截斷水分傳遞的渠道，並改變毛細孔壁及纖維的表面性質以不利於水的浸潤與吸附，同時其固化后能在企口表面形成一層緻密的憎水薄膜，防止水分、濕氣從企口侵入板內引起木纖維膨脹變形、發霉等現象。In order to avoid spectrum error due to energy leakage, the thesis research on identification of parameters of two close frequency components in discrete spectrum analysis, and simulation result shows the validity of the method
針對由於能量泄漏造成的頻譜誤差，深入研究了密集頻譜的頻域參數識別法，從理論上加以推導，並通過模擬證明了該方法的有效性，可以識別1個頻率解析度以內的兩臨近頻率分量。It is evident that their abundance change and preservation are associated closely with these environmental control factors, and high surface nutrient and productivity controlled by the variations of large scale seasonal climate and input of terrestrial detritus
它們與壞境控制因素關系的分析表明，矽藻、放射蟲和海綿骨針豐度的高低及其保存程度與深度、溫度、鹽度和受大規模季節性氣候變化控制的表層海水的高營養和高生產力，以及陸源物質輸入的變化密切相關。Aiming at the concrete need in srttep construction and embodying the managing theory of the combination of the prearranging programming and comprehensive control, the article proposes the cpm - based schedule operating program of srttep on the basis of the relationship among schedule program, cost and quality which thus realizes the close combination of schedule program and project control ; based on the comparative analysis of experience estimation method, factor estimation method, wbs estimation method and comparison estimation method, the cost controlling strategy is worked out that attaches importance to the srttep cost budget and market economy situation. meanwhile, comprehensive quality management theory is introduced in the project " s schedule program. aiming at subsidiary project bidding, equipment purchase, essential quality inspection, detailed quality insurance system and rules are worked out so as to achieve the goal of high - quality construction of srttep
（ 3 ）針對川塔項目施工建設具體需要，在充分體現項目事前規劃與全面控制相結合管理思想和所進行的項目wbs結構分解基礎上，基於項目進度? ?費用成本? ?質量三者之間的關系，提出了基於cpm關鍵路線法的川塔項目進度計劃制定方案，實現了進度規劃與控制的緊密結合；在對比分析經驗估演算法、因素估演算法、 wbs估演算法、類比估算等方法和技術基礎上，制定了側重於預算的川塔項目成本基本規劃方法，以及結合市場經濟情況的成本控制策略；同時將全面質量管理思想，引入了項目施工方案中，針對子項目招標、設備采購、重點質量監控點等設立了詳細的質量保障機制和細則，以確保達到工程優質建設的目標。Based on both quantitative calculation and theoretical analysis, the magnetically strong and electrically weak connection of power networks and its impacts on the behaviors of zero sequence pilot protection are studied in detail, the reasons and characteristics of the misoperation are summarized, some typical power network topologies that are prone to misoperation are analyzed, and several countermeasures for eliminating the influences of mutual inductance on zero sequence pilot protection are proposed for the sake of the increasingly meshed power networks
從定量計算和理論分析的不同角度，本文深入研究了強磁弱電聯系的網路關系及其對縱聯零序保護動作行為的影響，總結了保護誤動原因和特點，分析了可能發生誤動的典型電網結構形式，並針對當今越來越緊密聯系的電網，提出了幾種解決互感對縱聯零序保護動作行為影響有效的措施。Second, discussing the detecting and eliminating of inference channel, different channel detecting methord are provided according to static, dynamic and compositional channel, and a new algorithm of eliminating the inference channel by promoting security was presented. third, discussing many problems encountered by transaction, which is from single - level to multilevel, and a transaction schedule algorithm is given based on data replicated architecture. according to the theory mentioned above, a mls / dbms is developed, and the experiment result has showed the correctness of the theory
本文圍繞安全數據模型，多級安全環境下的事務處理，推理控制展開了探討，首先針對空值的二義性和數據穿越問題，提出一種改進的多實例安全模型，並對外鍵引起的存儲隱通道進行了控制，提高了查詢的效率;其次探討推理通道的檢測和排除問題，針對靜態、動態推理通道和復合通道分別給出了不同的通道檢測方法，並提出一種通過提高輸入安全密級來消除推理通道的演算法;最後討論了事務從單級拓展到多級所面臨的各種難題，提出了一種基於數據復制結構的事務調度演算法。Normal behavior and anomaly are distinguished on the basis of observed datum such as network flows and audit records of host. when a training sample set is unlabelled and unbalanced, attack detection is treated as outlier detection or density estimation of samples and one - class svm of hypersphere can be utilized to solve it. when a training sample set is labelled and unbalanced so that the class with small size will reach a much high error rate of classification, a weighted svm algorithm, i
針對訓練樣本是未標定的不均衡數據集的情況，把攻擊檢測問題視為一個孤立點發現或樣本密度估計問題，採用了超球面上的one - classsvm演算法來處理這類問題;針對有標定的不均衡數據集對于數目較少的那類樣本分類錯誤率較高的情況，引入了加權svm演算法-雙v - svm演算法來進行異常檢測;進一步，基於1998darpa入侵檢測評估數據源，把兩分類svm演算法推廣至多分類svm演算法，並做了多分類svm演算法性能比較實驗。Because of the merit of continuity, economical efficiency, reliability and high resolution, the well logging has shown its advantages, especially in some drilling engineering problem, such as the prediction of rock drillability, selecting the drill bit types, prediction of formation pressure, calculation the in - situ stress, evaluating the borehole walls stability and determining the reasonable mud density, and etc. aiming at the engineering accidents, for example the well spout, well leak, well collapse and the drill blocking during the drill engineering in the t formation in north - east of sichuan, some farther studies of formation pressure in feixianguan from well - logging information are presented in this dissertation
尤其是在巖石可鉆性預測與鉆頭選型、地層壓力預報、地應力計算以及井壁穩定性評價、泥漿密度安全窗確定等鉆井工程問題上。測井技術由於連續性、經濟性、可靠性及解析度高等特點，越來越多地顯示了其優越性。本文針對川東北部三疊系地層在鉆井過程中遇到的井噴、井漏、井塌和卡鉆等工程事故，主要對飛仙關組地層壓力的測井解釋方法作了大量的深入研究工作。Hot applied joint sealants - test method for the determination of cone penetration at 25 c
熱用接縫密封膠. 25 ?時針入度測定的試驗方法The advantage of al is its applicability to non - conducting substances and also to low - melting - point metallic materials. due to the fact that the levitation capability of single - axis acoustic levitation ( saal ) is comparatively weak and its applications are mainly limited to low - density substances, this paper aims at enhancing the levitation capability of saal and realizing the containerless solidification of those materials with low melting temperature and high density
本文針對當前單軸式聲懸浮能力較弱，而且主要應用於低密度材料無容器處理的研究現狀，以提高聲懸浮能力、實現低熔點高密度材料的聲懸浮無容器凝固為主線，採用理論和實驗相結合的方法，對單軸式聲懸浮過程及其主要影響因素進行了較為系統、深入的研究，主要取得以下幾方面的研究結果。( 2 ) because of t he variability of rock subjected to outside action, three new conceptions : postive damage basic damage and negative damage, are suggested, which can deal with the condition that rock density became large. ( 3 ) the present damage variables based on ct number mostly include ct average number of the rock without damage, which is difficult to measure, so a new damage variable, which includes the average ct number is proposed, on the other hand, strain equal theory is generalized because the one put foreword by lemaitre is not good enough to use. ( 4 ) a axial damage constitutive equation is proposed and testified. ( 5 ) with the circle times, the damage propagation laws of two different rocks, subjected to circle of freezing and thawing, are studied, and in the analysis process, traditional analysis method including average ct number and is used, some important conclusions are reached : inner damage of soft rock containing a large mount of apertures is largely propagating with the time increasement of circle, however, at the preliminary time, the hard rock containing a small mount of aperture is a little propagating, at late time, the influence become large ; ( 6 ) zone separation and statistics frequency put forward is used to analysized the three different damage propagation in the open circumstance, when they are subjected to the different circle times of freezing and thawing, in which the temperature variability is linear, different freezing rate, and different freezing temperature, and no water is supplied during the test
在研究過程中本文主要做了以下工作： （ 1 ）針對巖石損傷變化較小時，運用ct均值和方差分析不方便的缺陷，本文提出運用對ct數范圍劃分區段的方法，根據各區段統計頻率的變化規律來分析損傷擴展狀況； （ 2 ）針對巖石受到外部作用的多變性，本文提出了基準損傷，正損傷，負損傷的概念，在某種程度上考慮了巖石受到外部作用時的壓密情況； （ 3 ）現有的基於ct數的損傷變量大多需要用到巖石基體的ct均值，這實際上是很難觀測到的，因此本文建議了一個可運用巖石初始狀態ct均值的損傷變量，由於現有的勒邁特教授應變等價原理使用上的不便，本文在其基礎上進行了推廣； （ 4 ）建議了一個可用巖石初始狀態ct數和彈性模量的單軸損傷本構方程，並用算例進行了驗證； （ 5 ）對兩種不同巖石在開放環境下受到凍融循環作用且融化過程中補水時，內部損傷隨凍融循環次數增加的擴展規律進行了探討，主要運用了常規的ct均值和ct方差的分析方法進行分析，試驗發現：對于孔隙率和含水率較高，密度和強度較低的軟弱巖石，凍融循環次數對損傷結構的擴展有明顯的影響，而對于孔隙率和含水率較低，密度和強度較高的硬巖，凍融循環次數對其損傷結構擴展初期由於含水率低的原因，影響不是太大，而後期由於水補給后，含水率較高的原因，凍融影響逐漸增大； （ 6 ）運用了本文提出的區段劃分和統計頻率的方法，深入地分析了開放環境下的線性溫度變化的凍融循環次數，凍結溫度，凍結速度不同巖石作用時，其內部損傷隨凍融循環次數，凍結速度和凍結溫度變化的擴展規律，需要指出的是除了在試驗前飽水外，凍融過程中沒有補水。And then, after the analysis of strengthening the internal control system in chinese corporation businesses, the article expounds the internal control from the angles of business administration. because of the double - arrangement of internal control in chinese businesses, thus is. the internal control with both the owner ( stockholder ) and the manager as the mainbody, and of the fact that the internal control is usually manipulated by the manager in practice, the internal control of the first arran gement should be externally manifesped so as to achieve the special control effect with the aid of external control procedure. meanwhile. the optimization of capital structure should be paid attention in the internal control of corporations due to the close relationship between the internal control and the capital market. finally, the thesis suggests that the corporation internal control make the whole and the single design based on the frame of the internal control system, proposes the feasible counter - measure perfecting the internal control of corporation business consists of the standard system of internal control formulated by the government department and the compulsory internal control audit
在此基礎之上，針對我國公司制企業加強內部控制的必要性分析，從公司治理的角度闡釋企業內部控制，由於我國公司制企業內部控制具有雙層性，即以所有者（股東）為主體的內部控制和以經營者為主體的內部控制，且實踐中內部控制為經營者所操縱，應將第一層次的內部控制外部化，藉助外部控製程序達到其特殊的控制效果；同時，根據內部控制與資本市場之間的密切關系，公司內部控制建設必須關注資本結構優化問題。對於我國公司制企業內部控制構建，應以內部控制框架為基礎，具體從整體和單項分別設計內部控制制度。最後，本文提出我國公司制企業內部控制的完善應從兩方面入手：一是由政府監管部門制止內部控制標準體系，二是對內部控制審計作出強制性的安排。The main research contents are as follovvs : after the analyzing of the process of making train diagram, according with its character, and take into account the trend of innovation, chooses the total solution based on the b / s architecture, 3 - tier operation distributed and 2 - tier data distributed to separate the data from operation and simplify the development and maintenance ; the e - r data model that is accord with the 3nf criterion is designed after analyzing the data structure of the train diagram system. emphasis on the permission security of the distributed system, take the view schema, coupled with the login authentication and permissions validation, to ensure the data accessing domination, and take the synchronization, error control, and restore capability to advance the data security ; on the basis of b / s solution architecture, after comparing the existing transportation technologies, b - isdn and adsl is selected as the major solution architecture based on the package - svvitched networks. furthermore, error control, firewall, and encryption techniques are introduced to prevent the hacker attack and ensure the networks safety
論文的主要研究內容包括：對目前我國列車運行圖管理體制和編制流程進行詳細分析，根據其「幾上幾下」的特點，並結合未來「網運分離」體制改革的變化預測，選擇採用與之相適應的基於b s體系架構、三層業務分佈、二層數據分佈的整體方案，實現業務與數據的分離，降低開發與應用過程的復雜度和總體成本；對列車運行圖系統的數據信息進行分析，設計符合3nf規范的數據e - r關系模型，並著重研究處于分散式系統中的列車運行圖數據信息的訪問權限和數據安全問題，提出以視圖模式結合用戶識別權限審定實現數據權限劃分，以並發處理、容錯技術、恢復技術提高系統的數據安全性；在基於b s架構的系統整體方案基礎上，對當前多種數據傳輸技術進行分析比較，採用b - isdn為主幹網、 adsl為接入端的基於公用數據網路分組交換技術的系統網路體系結構，並針對網路自身安全性和黑客攻擊與侵入問題，詳細討論綜合採用差錯控制、防火墻、數據加密解密等技術手段提高系統的網路安全性能。It has important potential applications in copyright protection of digital media, secret communication and hidden annotation of host data. facing with this problems, aims of this paper will mainly focus on following aspects : 1. combined with the logistic mapping in non - linearity dynamics system, an image - encrypting algorithm based on modular arithmetic in wavelet transform is designed
本文在前人工作的基礎上，針對當前數字水印和圖象加密的發展狀況，完成了以下工作： 1 、從多媒體數據安全的角度，分析了多媒體信息的特點，深入研究和分析了數字圖象加密技術。When the network dataset is very large, conventional support vector machine learning algorithm is remarkably slow. by contrast the proposed algorithm based on space block and sample density is fast. it was applied in intrusion detection in this pap.
針對網路數據集過于龐大，學習速度過慢的問題，提出了一種基於空間塊和樣本密度的svm演算法，並將其應用到入侵檢測中。The simulating time is long as 100 years. in order to lucubrate all the variables ( population, jobs, houses supply, houses demand, workforce, the city development area, the density of population, the land - using rate ), the exogenous variables, parameters and structure are changed respectively and selectively in the simulating course
在驗證了模型的有效性之後，對模型進行長達一百年的模擬，同時有針對性地改變模型的外生變量、結構及參數，以便更深入地觀察下列變量的變化情況：人口數量、就業崗位、住宅供給量、住宅需求量、勞動力、建成區面積、人口密度、土地佔用率。According to some kinds of existed attacking methods that are aimed at the web system, the article discusses the feasibility to implement secure transmission tunnel on every layer in tcp / ip protocol, and the related secure protocol standard. and focusing on cryptography, the paper lucubrates the technology of secure transmission of information such as data encryption, digital signature, identity authentication and data integrality technology
本文針對web系統中信息傳輸所面臨的安全威脅，從保障網路信息安全傳輸的角度，系統研究了tcp ip各個層次上實現安全通道的可行性及相關的安全協議標準，圍繞密碼體制，對數據加密、數字簽名、身份認證、數據完整性控制等信息安全傳輸技術進行了深入的探討。Traditionally, the analysis requires a more complicated procedure of specimen making in a pre - defined volume ratio, lateral stress tests, material parameters calculations and finite - element simulation
將此材料系數代入剛塑性有限元解析中，針對壓粉壓力與相對密度的關系進行計算。分享友人