適干率 的英文怎麼說
中文拼音 [shìgānlǜ]
適干率
英文
fair drying percentage-
At the dose rate of 1 ~ 3 gy / min, their tolerant capacity were ranked from high to low as : one year dormant plant > dry dormant seed > one year shoot > wet cold - stratified seed, their irradiation dose were suggested as 75 - 100gy, 50 ~ 100gy, 30 ~ 50gy, 30 ~ 40gy, respectively
在劑量率為1 3gy min時，按照耐受性由高到低依次是：一年生休眠植株休眠干種子一年生枝條解除休眠濕種子。它們的適宜輻射劑量分別是：一年生休眠植株， 75 100gy ；休眠干種子， 50 100gy ；一年生枝條， 30 50gy ；解除休眠濕種子， 30 40gy 。The main features of the apparatus are focus on small volume, light weight, no iron core, no magnetic saturation and no ferreous resonance, moreover, related advantages such as the large range of transient and frequency response, excellent electrical magnetic compatibility, oil - free configuration, reliable insulation structure, are all the trends of current transformer in the future. meanwhile, it should agree with the future power gauge and digital, computer, automatic relay protection. it will meet the demand of digital power network
它具有體積小、重量輕；無鐵芯、不存在磁飽和與鐵磁諧振問題；動態響應范圍大，頻率響應寬；抗電磁干擾性能強；無油化結構、絕緣可靠、價格低等優點；是未來電流互感器發展的方向，是新一代電力數字網發展的需要，適應電力計量和保護數字化、微機化和自動化發展的潮流。Then analyses the main reasons for the immoderation. in the end, several suggestive policies are discussed to make china ' s consumption rate towards moderation
並在此基礎上，分析了我國居民消費率非適度的主要原因，提出了若干使消費率趨于適度的政策建議。The single - stage hammer crusher are suitable used to crushing ordinary fragile ores of the compressive strength no more than 200mpa, such as limestone, gypsum, coal, marl, sand - shale etc. this series product features of high crushing ratio, even product graininess, simple construction, reliable operation, easily maintenance, economical running cost etc., so are widely used. hammer crusher models hammer crusher max
錘破系經高速轉動的錘體與物料碰撞面破碎物料，錘式破碎機具有結構簡單，破碎比大，生產效率高等特點，錘式破碎機可作干濕兩種形式破碎，錘式破碎機適用於礦山水泥煤炭冶金建材公路燃化等部門對中等硬度及脆性物料進行細碎。The construction execution of prestressing work has many advantages such as : dry - work, rapidity, no organic adhesion agent, small space to be taken, the high efficiency of strengthening, so this way can be applied in the structures which request to improve bearing capacity largely and take small space after strengthening as well as other structures which will work in long time and in high temperature
預應力加固過程是干作業，施工速度快，不使用有機粘結劑，加固后佔用空間小，加固效率高，適用於要求大幅度提高承載力及加固后佔用空間小的混凝土結構，也適用於要求施工速度快，加固后使用年限長，工作環境溫度高的結構。( 4 ) a high - speed communication module for ert was introduced in this system. the advantages of this communication module are rs422 / rs232 compatibility, high band rate of 921. 6kbps, noise - immunity and low cost. the module was successfully used in electrical resistance tomography
目前國內有文章報導的最高數據採集速度為50幅/秒（ 3 ）引入了一個適用於電阻層析成像系統的通用高速通訊模塊，該模塊支持rs422和rs232雙協議，最高波特率達到921 . 6kbps ，具有通訊波特率高、抗干擾性能好以及成本低廉等優點。Abstract : by utlizing abundant local resource of ytirium and combining the characteristics of magnesium, barium, calcium and silicon, a sort of composite nodulizer - ytirium - based heavy rare earth nodulizer was developed which is characterized by its good desulphurizing and deoxidizing rate effect, excellent effect to neutralize anti - nodulizing effect of trace elements, strong nodulizng effect and degeneration - resistance, good effect to fine matrix structure, decreased chilling tendency and wide scope of applicatiom using this nodulizer to produce some important castings such as water - cooled wall of blast furnace and roller could increase mechanical properties of central area and casting yield
文摘:利用江西省豐富的釔基重稀土，結合鎂、鋇、硅、鈣等元素的特性開發了釔基重稀土復合球化劑，該球化劑具有脫硫、脫氧、抗干擾元素、球化和抗球化衰退能力強，細化基體組織，白口傾向小，適用范圍寬等特點，應用於高爐冷卻壁，軋輥等關鍵鑄件上可提高心部力學性能和工藝出品率。Testing on logs in laminated shaly sands it demonstrates that the model can be applied in laminated shaly sands. testing on effects of rdc. and vdc representing clay resistivity and fraction or dry clay resistivity and fraction on water saturation calculated by the model it proves that it is very reasonable for rdc to be clay resistivity and vdc to be dry clay fraction, so the mode l derived from the paper can be used to evaluate shaly sands
通過一組層狀泥質砂巖測井資料解釋，表明該模型適用於層狀泥質砂巖地層解釋；通過考察rdc 、 vdc代表粘土或干粘土電阻率及含量對該模型計算含水飽和度的影響，說明rdc代表粘土電阻率，而vdc代表干粘土含量是合適的，因此，使用文中給出的電阻率模型能更好地解決泥質砂巖問題。On this base, a more precise volume model of concrete is established and one conception of dry mortar volume is brought forward. at the same time the author absorbed the concept of the best ratio between paste and aggregates and used mathematical method to induce the formulas of water content and ratio between fine aggregate and coarse aggregate in concrete : ratio between fine aggregate and coarse aggregate : if the two formulas are connected with the classical rule of water cementitious materials ratio ( bolmy formula ), the contents of all materials in concrete can be determined completely by calculation and overall calculation proportioning is realized
在此基礎上建立了普遍適用的更精確的混凝土體積模型，提出了「干砂漿體積」概念，同時吸收國外關于最佳漿集比概念，用數學方法推導建立了混凝土用水量和砂率的計算公式：用水量公式：砂率公式：這兩個公式結合傳統的水膠比定則（保羅米公式） ，即可全面定量地確定混凝土的所有組成材料的用量，實現混凝土的全計算配合比設計。Compared with the classical bp algorithm, robust adaptive bp algorithm possesses some advantages as following : ( 1 ) increasing the accuracy of the network training by means of using both the relative and absolute residual to adjust the weight values ; ( 2 ) improve the robustness and the network convergence rate through combining with the robust statistic technique by way of judging the values of the samples " relative residual to establish the energy function so that can suppress the effect on network training because of the samples with high noise disturbances ; ( 3 ) prevent entrapping into the local minima area and obtain the global optimal result owing to setting the learning rate to be the function of the errors and the error gradients when network is trained. the learning rate of the weights update change with the error values of the network adaptively so that can easily get rid of the disadvantage of the classical bp algorithm that is liable to entrap into the local minima areas
與基本bp演算法相比，本文提出的魯棒自適應bp演算法具有以下優點： （ 1 ）與魯棒統計技術相結合，通過訓練樣本相對偏差的大小，確定不同訓練樣本對能量函數的貢獻，來抑制含高噪聲干擾樣本對網路訓練的不良影響，從而增強訓練的魯棒性，提高網路訓練的收斂速度； （ 2 ）採用相對偏差和絕對偏差兩種偏差形式對權值進行調整，提高了網路的訓練精度； （ 3 ）在採用梯度下降演算法對權值進行調整的基礎上，通過將學習速率設為訓練誤差及誤差梯度的特殊函數，使學習速率依賴于網路訓練時誤差瞬時的變化而自適應的改變，從而可以克服基本bp演算法容易陷入局部極小區域的弊端，使訓練過程能夠很快的「跳出」局部極小區域而達到全局最優。A big part of freshmans don t know how their device is modemed or even the frequency, they usually begin work as soon as they reach the site, interference sometimes caused ; in fact remote controlled flying models are very suitalbe for colony games, knowing each other s frequency can benefit the safety and friends making, why not do that
有很大部分的初學者不知道自己所使用設備的調制方式甚至頻率，到場就自己在一邊「埋頭苦幹」起來，往往由此引起干擾事故發生。其實遙控模型絕對是適合群體活動的休閑運動，難得有同好知己，到場就應相互點頭問候頻率，既可結交朋友又能確保安全，何樂而不為？The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either
在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。The variable parameter taper equation, which was suitable to pin us elliottii plantation form changing law, was built with the sample wood datas on the basis of the research of about form shape in the tree mensuration, one - dimensional volume table, two - dimensional volume table, one - dimensional timber - produced rate table for timber assortment, and two - dimensional timber - produced rate table for timber assortment were complied based on the above
摘要在樹干形狀研究的基礎上，利用樣木資料建立了一個適合濕地松人工林干形變化規律的可變參數削度方程，據以編制了一元材積表、二元材積表、一元材種出材率表和二元材種出材率表，這些數表經檢驗誤差較小，精度較高，可在林業生產上推廣應用。In order to achieve high data rates on the severely band - limited underwater acoustic ( uwa ) channels, bandwidth - efficient modulation techniques must be employed, together with some sophisticated signal processing algorithms, such as adaptive equalization technique for the intersymbol interference caused by channel multipath propagation
在帶寬嚴重受限的水聲通道中實現高數據率通信，必須使用高帶寬利用率調制技術，並結合自適應均衡等技術以有效地克服通道多途傳播產生的符號間干擾。This thesis analyzed the error performance of mfsk and mpsk modulator in hf with optimal receiver, studied the shortcoming and strongpoint of several typical short - wave data transmission systems and their performance over fading and intersymbol interference channels. the theory and key technical of adaptive modem is discussed. in the last, an efficient modulation scheme - block coded modulation is introduced into hf radio systems to improve the efficiency of hf data transmission, this paper also proposes a hf data transmission system scheme composed of a block coded modulator and a decision feedback type adaptive equalizer
本文在對短波數傳兩種常見調制方式fsk及psk最佳解調性能分析的基礎上，討論了幾種採用典型調制技術的短波數傳系統（如時頻調制、多進制頻移鍵控慢跳頻、 chess系統）原理、優缺點以及抗衰落和抗符號間干擾的性能；分析了自適應串列數傳系統抗短波通道衰落和多徑干擾的原理、關鍵技術；在本文的最後引入一種有望解決短波數傳系統低效率狀況的調制方式bcm -分組編碼調制，給出了一個採用bcm技術與自適應均衡技術相結合的短波數傳系統方案，並通過計算機模擬進行了初部驗證。The high p / e ratio has confused the financial order, has strengthened financial risks, hinder the growth of the real economy, not benefit the forming of correct investment concept, encourage behavior of speculating, cause inefficient distribution full play of function. we can reduce the high p / e ratio, suppress the p / e ratio to increase, by improving the management level, perfecting stock right structure and administration structure of the listed company, strengthening supervision of the listed company, stopping up all sorts of abnormal behavior of the stock market, perfecting the stock market system, trying one ' s best to reduce the government ' s intervention, changing means of the government interfere etc. then the china stock market can get lasting, healthy development
解決好我國股市市盈率過高的現象，可以從以下幾方面著手提高上市公司的經營水平，增強其盈利能力是降低股票市場市盈率的跟本；完善上市公司的股權結構，解決中國上市公司「一股獨大」的問題；要完善上市公司的治理結構，健全董事會制度是核心，發揮監事會職能實現權力制衡，構造適合中國國情的監督機關，對經營者激勵與約束同等重要，強化經營者的激勵和約束，讓利益相關者行動起來；加強監管，堵絕股票市場的種種不規范現象，對莊家的運作強化監管，對其違法違規行為加大懲治力度是促使中國股市持續、穩健發展所採取的必要措施；同時完善股票市場的制度建設，完善的退市機制，盡早推出確實可行的股票價格指數期貨市場；盡量減少政府的干預，轉變干預手段等。The smart antenna, which is adapted in the wireless mobile communication system, in fact, forms an antenna with a high gain. thus communication in all directions can be proceeded, then base station antenna coverage, system capacity and service quality are improved, also inter - symbol interferes and multi - access interfere are reduced. the space division multiple access ( sdma ) is introduced, and users can be distinct from each other through their special location
在無線移動通信系統中採用智能天線技術，實際上是通過數字信號處理，使天線陣為每個用戶自適應地進行波束賦形，相當于為每個用戶形成了一個可跟蹤它的高增益天線，從而即可以進行全方位通信，也可以用較小的發射功率覆蓋相同的范圍以及提高系統容量和業務質量、降低用戶間的碼間干擾和多址干擾。We have successfully designed an experiment system for the no invasion blood pressure measurement with our own ip. in our research and develop task we have done a lot work to study foreign instrumen and design ideas. this experiment system is based on msp430 series mpu with excellent erformance and applies advanced digital signal process and intelligent technology. in hardware design, the following means were applied : after a lot of experment and fully knowing about the characteristic of the pulse wave signal, we have designed the accurate and credible circuit to collect the pulse wave signal ; power circuit, communicaion circuit, power drivers circuit have been disigned for the instrument. in software design, the following arithmetic were applied : 1
軟體方面進行了以下演算法研究: 1 .綜合試驗各種數字信號處理方法對波形進行平滑處理: 2 .採用lms自適應方法對脈搏波信號進行了降噪處理; 3 .應用微分閉值法提高了脈搏波信號的檢出率，有效識別了運動干擾引起的偽波信號; 4 .利用測振法基本原理並進行大量實驗的基礎上，提出了比較準確可行的收縮壓和舒張壓的識別演算法，使測振法在本無創血壓儀中得到了完整而充分的應用。In this thesis, first, we present the theory of sess system, the generation of the sess spreading code and its characteristics and the acquisition theory of conventional spread spectrum communication system. an efficient acquisition scheme based on periodically transmitting the synchronization head, which is composed of binary chaotic codes, using the matched filter and automatic decision threshold - level control based on a so - called constant false alarm criterion for sess system is present. the acquisition model of sess system is built and simulated in the awgn channel, the raleigh fading channel and imulti - address interfere condition
本文首先概述了自編碼擴頻通信的原理、自編碼擴頻序列的產生方法及其特性和擴頻通信系統編碼同步的理論，然後針對自編碼擴頻通信系統提出了擴頻序列捕獲方案:周期性地加入混沌序列同步碼，並採用恆虛警率匹配濾波器捕獲法;在加性白高斯噪聲通道、瑞利衰落通道和多址干擾情況下進行了模擬，分析了各種捕獲性能:在選擇性能最優的混沌序列、適當的序列長度、虛警概率及門限值的情況下，可以獲得較短的捕獲時間和較大的捕獲概率。The results of the simulations show this method can keep the amplitude of the desired signal, restrain the interference signal, and keep the output power of array to minimum
模擬表明，採用自適應演算法能夠在保證接收方向回波信號幅度保持不變的條件下，抑制干擾信號，且使陣列輸出功率最小。分享友人