低針入度的 的英文怎麼說
中文拼音 [dīzhēnrùdùde]
低針入度的
英文
low-penetration-
The ratio of strength to cost is introduced to discuss the problem in which whether high volume fly ash can reduce the cost of concrete
針對摻用大量粉煤灰是否可以降低混凝土成本的問題，本文引入強度成本這個指標作了一些探討。In order to improve the existing methodology of carpool information retrieval, on the basis of the region to region algorithm and by the use of the graph theory, an algorithm based on traffic network and its complexity analysis were presented
低效率的信息交流方式制約了合乘出行方式的發展，針對現有合乘信息檢索方式的不足，在區域區域匹配演算法的基礎上，引入圖的概念，提出了一個基於交通路網的路徑匹配演算法，並給出了演算法復雜度分析。In recent years, the water - saving and control irrigation technique of rice has diverted from plot experimental and demonstration to lare scale. and has got remarkable economic and social benefits. amed at the characteristics of this irrigation area, optimal selection for water - saving techniques of rice, deciding the amout of leaching water and irrigation modles, investigating the adaptability of the water - saving and control irrigation technique in saline land. studying the increase in production mechanism of the technique are important to extend the technique, to better and develop saline land as well as slick spots. according to the results of field experiments, optimization study was conducted on the water - saving irrigation technique of rice in saline land, the effects of different water - saving irrigation techniques on the physiological indexes and yield of rice were systematically analyzed. by using mutiplepurpose fuzzy optimization method, better. water - saving irrigation technique was selector out, that is. the control irrigation technique in rice. the mechanism of it was analyzed from the aspect of the physiological and ecological saving water of rice to provide the implemental process and technical point ; throgh the quantitive analysis and comparision on control irrigation and control class ( flood irrigation ), high production and quality mechanism of the technique was analyzed in terms of physiology indexes of rice, the variation of soil moisture, the pest resistance and the lodge resistance, the change of soil temperature in paddy fields. the yield constitutive factors, the quality of rice and so on. in saline land. control irrigation and intermittent leaching modles were adopted to validate the adaptability of the technique in irrigation of rice in saline land, to analyze rice ' s physiological - ecological indexes and the change of soil salt content under the conditions of control irrigation leaching of rice and and to provide control irrigation and combined modle of intermittent leaching to adapt to different conditions
本文從試驗及試驗資料入手，取得以下主要成果和結論：對鹽堿地水稻節水灌溉技術進行優化研究，系統地分析了不同節水灌溉技術對水稻生理指標及產量的影響，採用了多目標模糊優化的方法，對灌水技術進行綜合評判，優選了節水灌溉技術，論證該地區宜採用水稻控制灌溉技術；闡述控灌技術通過調節和控制水稻的需水規律，降低水稻高產情況下的無效水量消耗，從水稻生理、生態節水兩方面分析了控灌技術節水機理，針對性地總結出水稻各生育期實施節水控灌技術的步驟及技術要點；通過控灌與淹灌的定量對照比較，從根系、莖蘗、冠層葉片及綠葉動態到株高，土壤水分變化，抗病蟲害、抗倒伏能力，稻田土溫變化，產量構成因素及稻米品質等諸多方面進行動態比較，分析控灌技術高產優質機理；在鹽堿稻地採用控制灌溉+間歇淋洗模式，跟蹤測試田間水鹽變化狀況，驗證控制灌溉技術在鹽堿地區水稻灌溉中應用的適應性，通過分析水稻控制灌溉淋洗條件下水稻生理生態指標，提出優化控制灌溉+間歇淋洗組合模式，為進一步在高礦化度地區試驗水稻控灌技術奠定基礎。Giving the goal and conceptual design, this paper pays attention to expatiate how to practically use the techniques of image - processing, communication and recognition in remote image monitoring system, and discusses how to realize the key techiques such as terminal connection and frame design, platform decoding control and alarm, image communication and track, etc. in order to overcome most existing image monitoring systems " shortages - those systems are at low intelligent level, need overfull manual work and ca n ' t work all day, this paper has adopted the advanced image code / decode technology and digital image transmission technology, and has applied the intelligent image processing and recognition technique to the display, adjust and track of images
本論文在設計圖像監控系統的建設目標和總體方案的同時，重點闡述了圖像處理、通信與識別技術在遠程圖像監控系統中的應用實現，給出了圖像監控系統中的終端接入和框架設計、雲臺解碼控制與報警、圖像通信和圖像跟蹤等關鍵技術的實現。針對現有的圖像監控系統大部分採用人工為主，機器為輔，智能化程度低，不能全天候工作的現狀，本文採用先進的數字圖像壓縮編解碼技術、數字圖像傳輸技術，將智能圖像處理與識別技術應用於圖像的顯示、調整、跟蹤，克服了一般監控系統要求監控人員過多地干預、智能化程度低的缺陷，並總結了其特點和優勢。In this thesis, the research focuses on pitch detection techniques of the low - rate wi speech coding. aimed at the problems of voiced - unvoiced error, pitch doubling and halving, accuracy of pitch detection and pitch quantization, a series of pitch detection techniques including pre - processing, pitch detection and pitch quantization were proposed
本文就低速率wi語音編碼中的基音檢測技術進行了深入研究，針對基音檢測中的清濁誤判、基音加倍減半、基音檢測精度及基音量化問題，提出了包括基音檢測前端處理、基音檢測演算法及基音量化的一整套基音檢測技術。The paper considers that the cause of domestic corporations which lack international competition capacities lies in following items : deficiency of r & d : weak competition : low level of management ; low ability of international marketing ; distemperedness of state ' s laws and policies ; backward of corporation ' s culture. in allusion to these questions the paper points out corresponding strategies under wto that domestic corporations must adopts. domestic corporations should cultivate their own core competition capacities, pursue cost advantage, build globalization strategy, adopt diversiform management strategy, exercise system innovation, pay attention to brand construction and establish strategy alliance
本文研究認為，我國企業缺乏國際競爭力的原因在於「研發投入不足，企業缺乏核心競爭力，管理水平低下，國際營銷能力低下，國家的政策法規不健全，企業文化落後」等方面，針對以上諸方面提出以下我國企業在wto環境下的策略及發展戰略：形成自己的核心競爭力，尋求成本的優勢，建立全球化戰略，採取多樣化經營戰略，進行制度創新，注重品牌建設，組建企業戰略聯盟，使投資主體多元化，進行虛擬經營戰略安排，積極應對外國跨國公司的並購，以便在國際舞臺上爭得一席之地。Because of considerable storage space and larger index database, higher rate in the full searching and the lower rate in the exact searching, the article demonstrates a new retrieval method based on the phrase list
然後針對該演算法存在的「索引庫較大、匹配速度不高和查全率較高而查準率較低」等缺點，引入了第二種檢索方法：基於詞表的檢索方法。This machine is used for tiandi box ' ' ' ' ' ' ' ' s holding - in, use the pressing equipment hold in paperboardquickly, there are two kinds of this pressing equipmet, electric automatic and manmade, it can adjust the pressing equipment and height according to the box size. this machine has high speed and easy to operate, its product is high quality
此機臺針對天地盒的折入成型，利用壓嘴將粉紙高出部分快速折彎至灰卡，有腳踏跟電眼自動兩種裝置，可根據盒子大小任意調整壓嘴及高低，本機具有速度快，產品質量高，操作簡捷等功能This machine is used for tiandi box " " " " " " " " s holding - in, use the pressing equipment hold in paperboardquickly, there are two kinds of this pressing equipmet, electric automatic and manmade, it can adjust the pressing equipment and height according to the box size. this machine has high speed and easy to operate, its product is high quality
此機臺針對天地盒的折入成型，利用壓嘴將粉紙高出部分快速折彎至灰卡，有腳踏跟電眼自動兩種裝置，可根據盒子大小任意調整壓嘴及高低，本機具有速度快，產品質量高，操作簡捷等功能The main topic of this dissertation was the management element allocation of agricultural enterprises ( meaae ) from the theoretical study and empirical study, and put forward the allocation system, which included the strategy decision - making institution of agricultural enterprises, property right institution, the allocation institution of human resources, optimized market institution, law, investment and financing institution, the function change of government under the background of changing market at home and abroad after china " entry to wto. the dissertation analyses the problems of lower allocation efficiency in agricultural operation such as : lower liquidity of management element, the separate management, small - lot production, the influence of the new agricultural management element to agricultural economy, the lag of allocated system and model for agricultural enterprises management element based on the producing ability and economic base that were formed during twenty years of agricultural reform and d evelopment.
本文以我國加入世界貿易組織后引發的國內外市場環境變化為研究背景，立足於我國農業改革發展二十多年形成的生產能力和經濟基礎，針對我國農業經營中存在的經營要素缺乏必要流動、經營要素分散、細碎化配置等引起低效率配置問題，以及新型農業經營要素對農業經濟的影響和農業企業經營要素配置機制、模式等研究嚴重滯后的現狀，從理論和實證兩方面系統研究了不同類型農業企業經營要素配置制度，提出了以農業企業戰略決策制度、產權制度和人力資源配置制度為主要內容，配套優化市場制度、法律制度、投融資制度及政府職能轉換等外部環境的農業企業經營要素配置制度體系。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。The physics model was established to deduce the relationship of different classifying gear speeds and melting point on the base of the broken theory and the broken process of pvc. it explained that the melting point of nanocrystalline pvc was low. therefore the effect of nanocrystal was proved in theory
最後通過引入破碎理論針對pvc的破碎過程，建立物理模型推導出分級輪旋轉速度與晶體熔點的關系，解釋納米晶pvc熔點低的原因，從而從理論上探討了pvc的納米晶效應。And reached the following specific conclusions : rubber content with the increase of resistance to ageing rubber modified asphalt increased ageing after less than for low - temperature service, the quality of reduced losses, soften point increase needle into a normal degree. summed up the aging asphalt and modified asphalt laws made spent rubber for asphalt modified agents, the principles of the size options and dosage of rubber powder for spent rubber modified asphalt road asphalt in the application provided a good technical support
得出了隨膠粉含量的增加膠粉改性瀝青的抗老化性能提高，老化后低溫延度比減小、質量損失量減小、軟化點提高，針入度呈正態分佈及改性瀝青老化的規律，提出了廢膠粉用作瀝青改性劑時粒徑選擇和摻量確定的原則，為廢膠粉改性瀝青在公路瀝青路面中的應用提供了良好的技術支持。According to the features of naphthenic base oil ( i. e., high nitrogen and low sulfur content ) and based upon theoretical analysis of the h2s concentration needed for phase equilibrium of nickel sulfide and tungsten sulfide in hydrogen, the most economic quantity of sulfiding agent injected into the reactor for supplement of sulfur in lube oil hydrogenation catalysts was obtained
摘要針對環烷基油高氮、低硫的特點，通過對硫化鎢和硫化鎳在氫氣中相平衡態所需硫化氫濃度的理論分析，對反應器入口所需補硫量作了詳細的闡述，得出了最經濟的補充注硫量。Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail
針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向，本論文重點做了以下幾個方面的工作，目的在於提高dtc系統的綜合性能： （ 1 ）提出一種新型的速度磁鏈觀測器，新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的精度，並且根據popov超穩定性理論推導出轉速的新型自適應收斂律； （ 2 ）改善系統的低速運行性能，主要從提高低速時對定子磁鏈的估計精度入手，提出了一種提高定子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子電阻參數； （ 3 ）採用數字信號處理器dsp實現系統全數字化硬體控制，結合ti公司生產的tms320lf2407晶元，設計了直接轉矩控制系統的實驗裝置； （ 4 ）提出了基於sercos總線網路化分散式的直接轉矩控制系統， sercos （ serialrealtimecommunicationsystem ）是目前最適合同步和協調控制的串列實時通信協議； （ 5 ）基本勾勒出整個控制系統的硬體和軟體設計基本框架，詳細描述一些實驗中的具體的細節問題。The last chapter comments on the “ chilean model ”. the author agrees on some successful facts in chilean pension reform, espiecally for the high investment return and the positive effects on the development of capital market as well as macro - economy brought forth by pension fund. however, there are still some difficulties and problems unsolved in chilean pension system, such as the low coverage of pension plan, high management cost, pension income gap, the fiscal burden and so on
同時，智利模式面臨的問題也是突出的:表現在參保率差，養老金收入分配差距擴大，針對低收入群體的財政支出負擔加重以及投資方面存在的成本負擔過重、市場監管過度等方面的問題上，這些問題的產生既有私營養老金體制自身的原因，也有經濟社會條件變化帶來的影響因素。Later on, after elaborating the disadvantages of the old methods in detecting and recognizing moving objects, a series of corresponding approaches are proposed, such as grid scan, local tracking bug and dynamic window in object tracing to reduce the huge data needed to be processed, maximum and minimum for selecting a proper segmentation threshold and improved conversion from rgb model to hsv and so on to decrease the influence of inhomogeneous lighting and the color noise, a bilinear interpolation in each quadrant to eliminate the bad effect on the recognition precise because of the distortions of the camera. after that, much emphasis is given on application study in pattern recognition with a feed - forward neural network. both the basic bp algorithm and improved bp algorithm in the study process are described in detail, and the later is used to quicken convergence speed and improve validity of the network
然後，分析和闡明了傳統的運動目標檢測方法的不足，並在此基礎上結合研究中的實際實驗環境，提出了一系列解決方法，包括針對降低龐大數據量而提出的網格掃描、局部「跟蟲」追蹤和動態窗口掃描等目標檢測方法，針對實驗環境中光照不均和顏色干擾提出基於人機交互的最大最小值閾值選取方法和引入改進的rgb模型到hsv模型的轉換方法，為消除圖像畸變對識別精度的惡劣影響而採用的通過控制點進行雙線性插值進行畸變校正的方法；緊接著，概述了神經網路的發展歷史和幾種常用神經網路模型的特點，重點研究了前饋型神經網路在模式識別中的應用問題，詳細闡述了基本的bp演算法和學習過程中bp演算法的改進，從而使網路收斂速度更快，解決問題更有效，並在此基礎上，設計了一個基於bp神經網路的運動目標識別系統，給出了實驗結果。Only with the deep understanding of the knowledge on the typical attack methords and theories, we can take some more effective and more specific defending measures, and decrease the loss to the lowest level
只有對各種攻擊手段及攻擊原理有了深入認識，才能採取更有效、更有針對性的防範措施，從而把損失降低到最小程度。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。Photorefractive phase conjugation, which is one of the most important methods for producing phase conjugation wave, is of potential use in many fields due to its low build - up threshold, high fidelity and high damage threshold, etc. in this thesis, we present a complete research to the characteristics and applications of ce : bati03 self - pumped phase conjugation ( sppc )
光折變位相共軛具有建立閾值低、保真度高和大損傷閾值等優點，因而具有廣泛的用途。在本論文中，我們針對ce ： batio _ 3晶體光折變自泵浦位相共軛器的特性和應用做了全面深入的研究。分享友人