等效點系 的英文怎麼說
中文拼音 [děngxiàodiǎnxì]
等效點系
英文
equipoint-
Ods possesses some characteristics of some characteristics and oltp systems of the data warehouse, it is the data " who faces the theme, integrates, or close to present, constantly changeably at present " because dss is peculiar : ca n ' t fully understand the demand ; the demand change is great ; implement time long cycle, but the customer demands to become effective and wait for the characteristic soon at the time of making bi systematic scheme of the enterprise layer, should consider on the issue that there is a great deal of, in a situation that the fish and bear ' s paw must hold concurrently, make the choice
Ods ( operationaldatastore )是數據倉庫體系結構中的一個可選部分, ods具備數據倉庫的部分特徵和oltp系統的部分特徵,它是「面向主題的、集成的、當前或接近當前的、不斷變化的」數據。由於決策支持系統特有的:不能充分了解需求;需求變動大;實施周期時間長,但客戶要求見效快等特點。在制定企業級的bi系統方案時,就會有諸多問題要考慮,在魚和熊掌不能兼得的情況下,做出選擇。As a new domain in the computer application, embedded real - time operation system is widely concerned by its concision and efficiency
嵌入式實時系統作為計算機應用的一個嶄新領域,以其簡潔、高效等特點越來越多地受到人們的廣泛關注。The architecture of management system of user network business which is realized finally is simple, the structure is legible and the efficiency is high. it is very congruous to be used by such units as universities and enterprises, because of the characteristics of good portability, extendibility, maintainability, easy - to - use, security
基於以上關鍵技術,論文最終實現的「用戶網路業務管理系統」 ,架構簡潔合理、結構清晰、性能高效,具有較好的可移植性、可擴展性、可維護性、易用性、安全性等特點,非常適合應用於院校、企業等單位的園區網。Semimetal non - asbestos environmental protection automobile brake shoe with stable friction indexes, contractible heat fade, excellent performance in high temperature, strong friction resistance, long working life and stable brake, small noise, fine energy absorption, no asbestos, no pollution, ect characteristics. complied with international standard, it s a ideal brake article for users
本公司研製生產的半金屬無石棉環保型汽車剎車片,具有摩擦系數穩定,熱衰退縮小,高溫段穩定性能好,耐磨性強,使用壽命長,制動平穩,制動時噪音小,能量吸收效果好,無石棉,對環保無污染等特點,符合國際規范,是廣大用戶的理想的剎車製品。The technology of uncooled infrared focal plane arrays ( fpa ) is a new developing way for wide commercial applications and military applications, for it owns the advantages of light weight, no need of cryogen, low cost and so on
由於非致冷紅外焦平面陣列系統具有重量輕、無需致冷、成本低等優點,有廣泛的軍用和民用市場,因而這項技術是一個行之有效的發展新方向。280ka aluminum smelting system is a large sized prebaking electrolytic tank developed and researched by our country. the whole system makes the control by means of centralized management and deconcentrated control. lt has the features of hight production and effciency, and, low investment, energy consumption and pollution, which are listed as hi - techindustrialization demonstrative project by the country
280ka槽鋁電解系列是我國自行開發研製的大型預焙電解槽,全系統採用計算機集中管理分散控制的方式進行控制,具有高產、高效、低投資、低能耗、低污染等特點,被國家列為高技術產業化示範工程。These leds light sources are not only adjustment and uniformity but also smaller, less expensive, required less power, generated less heat. especially, the pattern of the construct both aggregate and desegregate in design was to realize different light intensity illumination on same biology sample at the same time. the selectivity, work efficiency and experiment veracity have been improve greatly
該系列光源除了具備光強可調、分佈均勻優勢外,還具有波長、波峰寬適宜,以及小巧、價廉、能耗低、發熱少等特點,尤其是該生物光源在設計時採用的單元組裝模式,使得不同強度的光照能夠在同一批生物樣品上實現,大大拓寬了生物實驗的可選擇性,提高了工作效率和實驗準確性。First this paper describes the composing and technics of drillers ; then the composing of control system based on s7 - 300plc is described ; then thinking of such characteristics of oil driller as complexity and long delay, this paper brings forward the control strategy of combining the fuzzy control with smith estimate control algorithm, and sets down the way of auto - driller based on discal hydraulic pressure brake. at last the experiment based on matlab by computer shows that the effect of this control mode is very good and all performance are famous
首先本文闡述了鉆機的組成與工藝特點,然後描述了基於西門子s7 - 300plc的控制系統組成,然後針對傳統鉆機自動送鉆控制策略落後的缺陷,同時考慮到鉆機的復雜性、大滯后等特點,提出了模糊控制演算法與施密斯( smith )預估控制演算法相結合的控制策略,給出了基於液壓盤式剎車的自動送鉆智能控制策略, matlab的模擬實驗證明該控制方式控制效果良好,各方面性能指標都達到理想要求。We get the math module according to the second law of newton and the foundation of the dynamics, analysis the force of the cart and pendulum, and adopt the concept of " the equivalent cart ". during writing the equitation of the system, the equitation has been processed by linear
利用牛頓第二定律及相關的動力學原理等建立數學模型,對小車和擺分別進行受力分析,並採用等效小車的概念,列舉狀態方程,進行線性化處理,最後通過極點配置,得到變量系數陣。Strip - shape underground structures such as the tunnels and tubes for various uses can be treated as a beam on elastic foundation under earthquake condition , although there exists soil - structure interaction , the foundation soil vibration is dominant in other words , analysis of earthquake response of the soil is essential to this end , simplified models , ( i. e equivalent mass system models based on some equivalence criteria ) are proposed , instead of a general 3 - d continuum model in this study , equivalence criteria are proposed and the simplified models are compared the single - mass - string model is proved to be valid and therefore applied to the analysis of earthquake response of the pearl river immersed tunnel
條裝地下結構如隧道、各種埋設管道等一般可看作彈性地基梁進行靜力及動力分析在地震條件下,結構與土相互作用,但土的振動成為主要因素為分析土的地震響應需把基土這一三維連續體作簡化處理,簡化成為等效多質點模型本文著重探討這種簡化模型的建立方法,推導等效方程,通過幾種簡化體系的分析比較,論證單質點串體系的合理性,並將其應用到廣州黃沙芳村珠江水下隧道工程的地震響應分析,為抗震設計提供依據Ahm oscillating ply series is made of imported superior stainless steel, the radiation ares of oscillating box is processed in particular, and withour any effect for sonic result, the longevity of the box can be prolonged over 50 %. the product can be used widely in pre and after processing operation for electric plating, imbruing and lacquer covering with the advantage of operating conveniently and cleaning completing and without collision between parts so on
振板系列產品振盒採用進口優質不銹鋼板製作,振盒幅射面經過特殊處理,在不影響超聲效果的情況下,振盒壽命增加50以上,產品廣泛應用於電鍍、塗裝、電泳、噴漆等工藝的前處理和后處理工序,具有操作方便、清洗徹底、工件之間無碰撞等優點。We attempts to summarise the evidence concering the clinical use of mct as an intravenous fat, and compare the effects with conventional lct preparation in various clinical conditions
近年來,新一代的含結構型甘油三酯的脂肪乳劑被認為比物理混合的中倀鏈脂肪乳劑具有更小毒性、更有效的省氮效應以及不影響機體網狀內皮系統功能等優點。The high - power semiconductor quantum well ( qw ) laser is a kind of luminescence device with superior performance, it has longe - lived, low threshold current density, high efficiency, high luminosity and excellent monochromatic, coherence, directionality, etc. the high - power semiconductor laser is widely applied to the fields, such as military, industrial machining, communication, information processing, medical treatment, etc. the material ' s epitaxy is the foundation of the whole laser ' s fabricating, and it has important influence on the optics and electricity performance about the laser
大功率半導體量子阱激光器是一種性能優越的發光器件,具有壽命長、閾值電流密度低、效率高、亮度高以及良好的單色性、相干性、方向性等特點,廣泛應用於軍事、工業加工、通信及信息處理、醫療保健等領域。材料的外延生長是整個激光器器件製作的基礎,對器件的光學和電學性能有著重要的影響,生長不出優質的材料體系,獲得高性能的器件就無從談起,因此,材料的外延生長便成為了整個半導體激光器製作過程之中的重中之重。Considering the characters of bp neural network, such as the simple structure, the advisable malleability, self - fitness, self - studying, nonlinear function approximating, the considerable abilities of parallel computing, fault - tolerant and so on, the bp algorithm have been extensively applied to the areas of system modeling, pattern recognition and seismic exploration since 1986. compared with other algorithms, as the above reasons, the bp algorithm has become the most usual and efficient solutions to the artificial neural networks
由於人工神經網路中的bp神經網路結構簡單,可塑性強,具有良好的自適應、自學習、極強的非線性逼近、大規模并行處理和容錯能力等特點,自1986年rumelhart等人提出以來,被廣泛應用於系統建模、模式識別、地震勘探等重要領域。而bp演算法數學意義明確,步驟分明,是神經網路中最為常用、最有效、最活躍的一種方法。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。Dbw, sbw series single - phase and three - phase super power voltage regultor of new age having the advantages of large capacity, high efficiency, wide range, high precision, strong protection, without wave - form distortion, reliadle operation and casy installation, etc
Sbw系列單、三相大功率電力穩壓器是我公司在參數照國際同類產品、結合我國國性的基礎上研製生產的新一代節能電力穩壓器,具有容量大、效率高、穩壓范圍寬、精度高、保護功能強、無波形畸變、運行可靠、維護簡便等特點。Objective : to investigate the effect of pumpless portosystemic bypass in clinical piggyback liver transplantation. methods : after catheterized inferior mesenteric vein, the silastic catheter ( filled with heparin saline ) was connected with the catheterized tube of internal jugular vein or subclavian vein in four piggyback liver transplantation patients. the channel was opened after the portal vein was occluded. the portal vein blood poured into the superior vena cava through the pumpless channel. the changes of mesenteric congestion, portal vein pressure, blood pressure and pulse were observed. results : during the occlusion of portal vein, the portal vein pressure was increased greatly, the intestine was congested and swelled obviously and the blood pressure and pulse fluctuated gently. after the pumpless bypass opened, intestinal congestion and swell were abated markedly, the portal pressure, blood pressure and pulse gradually returned to normal range. conclusions : pumpless portosystemic bypass shows a great effect on clinical piggyback liver transplantation. it is a feasible and economical method
目的探討背駝式原位肝移植術中採用體外門-體靜脈無泵轉流的臨床效果.方法4例行背駝式原位肝移植患者,腸系膜下靜脈屬支插管經體外硅膠管(充滿肝素鹽水)與頸內靜脈或鎖骨下靜脈插管相接,在阻斷門靜脈后開通腸系膜下靜脈插管,門靜脈血從體外無泵轉流管流入上腔靜脈,觀察轉流前後腸道瘀血、門靜脈壓、血壓、脈搏等變化情況.結果門靜脈阻斷后腸道明顯瘀血、腫脹,門靜脈壓力明顯升高,血壓、脈搏有不同程度的波動,無泵門靜脈轉流開放后,腸道瘀血、腫脹明顯好轉,門靜脈壓力逐漸恢復正常水平,血壓、脈搏恢復正常.結論背駝式原位肝移植術中體外門-體靜脈無泵流具有方便、經濟、實用等優點,具有良好的臨床效果The boiler pulverizing system adopt mainly steel ball milling coal machine and mill storage pulverizing system, because the system has characteristics, such as, strong coupling, great time lag and slow time change. the quantity of storage coal in the ball milling coal machine ca n ' t measure exactly. manpower operation or use conventional regulate intrument ca n ' t get often perfect control effect
鍋爐制粉系統大多採用鋼球磨煤機、中儲式制粉系統,由於該系統具有強耦合、大時滯、慢時變等特點,而且球磨機磨內存煤量難以準確測量,人工操作或用傳統的調節儀表往往難以達到理想的控制效果,普遍存在耗能高、自動控制困難等問題。First from system aspect, this paper uses voltage sensitivity, pv curves method, equivalent reactive compensation method, back - up generation method to evaluate the reactive value of the generators in seven buses system and ieee 14 buses system. the vs and pv methods can evaluate the source ' s ability of tracking the load ' s variation. the erc and back - up methods can evaluate the availability of replacing other generators. the value determines the cost
從對系統貢獻角度,採用電壓靈敏度方法( vs法) 、 pv曲線法、等效無功補償法( erc ) 、無功備用方法來確定一個七節點系統中的發電機的無功價值和ieee14節點系統的發電機的無功價值,電壓靈敏度法和pv曲線法可比較出不同電源跟蹤負荷變化的靈敏度大小,而等效無功補償法和無功備用方法可比較出不同電源替換其它發電機是否是最有效率的。Secondly, in phase unwrapping to overcome the spread of wrong point, changing the patch of unwrapping phase is done to improve the correctness of it. then, the relation between the unwrapping phase and the height of reconstructed object is discussed detailedly. the data processing, algorithm analysis and reconstructing object are done for the collecting fringe image which are all based on matlab language, in all these achievements, the improvement and innovation aspect are following : a ) in order to stabilize the interference fringe, a new equivalent shifting object method is presented by using fringe stabilizing device to stabilize the interference fringe though moving object and ccd camera which fixed on a precise moving platform together, the experimental result shows the fringe drift is less than a / 20 in five minutes, and the equivalent phase shifting precision is x / 100
論文在全面闡述了光學三維輪廓位相測量術的發展、應用現狀、研究熱點及未來發展趨勢的基礎上,簡要介紹了傅立葉變換和相移位相輪廓測量術的基本原理,對兩種測量方法存在的問題及誤差進行詳細分析和比較;針對位相解包裹錯誤點的傳播問題,作者通過改變解包裹路徑來提高位相解包裹的正確性;分析討論從解包裹位相( x , y )到再現物體的高度h ( x , y )物理量之間的關系,研究相應的演算法,利用matlab平臺,對實際採集的條紋圖像進行處理和輪廓重構,其中改進及創新工作主要表現在以下兩個方面: ( a )針對干涉型結構光場干涉條紋出現的漂移抖動對相移的影響,提出了一種用條紋穩定器穩定干涉條紋,用精密移動平臺使物體和ccd攝像頭同步移動實現等效相移的方法,建立了相應的測量系統,系統的條紋穩定可以達到。分享友人