constant system 中文意思是什麼

constant system 解釋
定常系統
  • constant : adj 1 恆定不變的,固定的,穩定的,恆久的;繼續不斷的。2 不屈不撓的,堅韌的。3 忠實的,有節操的。n...
  • system : n 1 體系,系統;分類法;組織;設備,裝置。2 方式;方法;作業方法。3 制度;主義。4 次序,規律。5 ...
  1. A novel catalytic property of hemin is described. in ammonium buffer medium of ph 8. 08. 9, hemin has an ability to catalyze the decoloration of bromopyro - gallol red. oxygen dissolved in solution plays a role as an oxidant in the reaction. with sodium dodecylbenzenesulfonate and ethanol as effect - enhancing agents, the catalytic system obeys the michaelis - menten equation of enzymatic catalysis. the michaelis constant, catalytic constant and specificity constant of the system are estimated by lineweaver - burk plot to be 3. 710

    在ph 8 . 08 . 9氨性緩沖介質中, hemin催化溶解氧氧化溴鄰苯三酚紅的褪色反應。在sdbs和30 %乙醇的增效作用下,催化體系服從michaelis - menten方程。用lineweaver - burk作圖法求得米氏常數催化常數和專一性常數分別為3 . 710
  2. On the base of researching the theory of the scheme and analyzing the signal feature, it is obtained that the existence manners and character of distance information in the differential frequency signal. at the same time, a new conclusion is gained that the technology of frequency agility can decrease the constant error of system. it is also to say that frequency agility and frequency modulation fixed - distance fuze has the similar feature to random period frequency modulation fixed - distance fuze. according to the theory of address coding in the hopping - frequency communication, the paper presents the principle of selecting the frequency agility sequence which fit to the radio fuze and constructs the frequency agility sequence family based on the rs codes

    在深入研究方案原理和分析信號特徵的基礎上,獲得了該體制引信差頻信號中,距離信息的存在形式和特點,得出了頻率捷變技術的引入降低了系統定距固定誤差這一新的結論,即頻率捷變調頻定距引信在定距性能上具有類似隨機周期調頻定距的特徵。本文引入跳頻通信地址編碼理論,結合無線電引信的具體特徵,提出了適用於無線電引信的頻率捷變序列的選擇原則,並構造了基於rs碼的寬間隔頻率捷變序列族。
  3. A constant temperature control system based on profibus - dp

    現場總線的恆溫控制系統
  4. In chapter 4, the principle drawing of the system is presented after adding a constant - pressure - drop valve. the operating principal of the valve is briefly introduced. the static mathematical model is built up and study is carried out by means of simulation under the circumstance of matlab, then the static working point is obtained

    對定差減壓閥作了簡要的介紹,根據系統工作原理圖建立靜態數學模型進行模擬研究,由模擬結果分析系統靜態工作特性,得到靜態工作點;然後,建立系統動態模型,對其動態特性進行非線性模擬研究,並就環境因素變化對系統工作特性的影響作了詳細分析。
  5. This paper supplied a new way through variable frequency variable speed ( vfvs ) to change its output flow rate and adding a constant - pressure - drop valve, which could solve the defects in hydraulic pressure servo control system, such as low efficiency in control system, short life, poor ability in resisting pollution, low efficiency in driving system and flow rate, pressure pulse. and this way was proved to be effective

    本論文針對傳統伺服控制系統效率不高、元件壽命短、抗污染能力差、驅動系統效率低、存在流量及壓力脈動等缺陷,利用先進的交流變頻調速技術改變液壓泵轉速的容積調速新方法,提出了在液壓系統中加一個定差減壓閥的新思路,較好地解決了液壓伺服系統存在的上述問題。
  6. There are over 80 sets test apparatus in tech - innovation centre, including : anechoic chamber, vibration tester, vibration measurement analysis, impact instrument, constant temperature and humidity facilities. salt spary test case, circle insulation withstand voltage tester, insulation resistance tester, withstand voltage tester, electric lead tester, electrical leakage tester, earth resistance tester, chassis dynamometer, chassis dynamometer control system, high stability dc resistance tester, electrical capacity tester, temperature rise test system

    中心擁有各類分析測試儀器和試驗裝置80餘臺套,包括:消音室振動臺噪聲振動測試分析系統沖擊儀恆溫恆濕實驗儀鹽霧試驗箱匝間耐壓分析儀絕緣電阻分析儀對地耐壓分析儀泄露電流測試儀對地電阻測試儀測功機測功機控制系統高精度直流電阻測試儀電參數測試儀帶電溫升測試儀復合式三坐標測量儀萬分投影儀及電功測試分析系統等。
  7. In adding - acid system : the resistivities of different lithotypes " cp tend towards being constant and equal when weight percentage of aniline exceeds 50 % ; because of the structure difference of different lithotypes, the polymerizing places and processes are different ; the resistivities of vituain / pan and fusain / pan reach the lowest point respectively when ( ntloisiog / an is 0. 6, 1. 0 ; the resistivities of cp decline fast and tend towards being constant along with the reduction of diameter of coal. in not adding - acid system : the resistivities of different lithotypes ' cp decline evenly ; it is found on the crossed experiment of cp, that ( nflsaog / an mole proportion is the most important factor to influence output ratio of cp and the weight percentage of aniline is the most important factor to influence resistivities of cp. according to the result of the crossed experiment of cp

    在有外加酸體系中:苯胺百分含量大於50時,不同煤巖組分的電阻率趨于恆定和一致;由於不同煤巖組分結構上的差異,導致苯胺聚合場所和聚合過程的不同;當過硫酸銨/苯胺摩爾比為0 . 6 , 1 . 0時,鏡煤-聚苯胺導電材料電阻率和絲炭-聚苯胺導電材料的電阻率分別達到最低值;在無外加酸體系中:不同煤巖組分/聚苯胺導電材料的電阻率隨著聚合時間的增加而均勻下降,並在8小時左右達到恆定;在對絲炭-聚苯胺導電材料進行的正交試驗中發現:過硫酸銨/苯胺摩爾比對產率的影響最大,苯胺重量百分比對產率影響最小,而對產物電阻率影響最大的是苯胺重量百分比。
  8. If the system is at constant pressure then there must exist a counter gradient of air molecules.

    如果系統處于常壓下,那麼必定存在空氣分子的反方向梯度。
  9. The system can deploy and recover fomc under the way of constant tension control, so that the influence on the sarv motion will be reduced and the intertwist and damage of fomc will be avoided

    該系統採用恆張力控制收放光纖微纜,使光纖微纜隨著水下機器人的運動釋放和回收,減小了光纖微纜對水下機器人運動的影響,避免了光纖微纜的纏繞和損傷。
  10. Presents the steady - state programming with constant coolant average temperature and constant live steam pressure, an ideal programming for marine nuclear power plant ( npp ), under which, both the coolant average temperature and the live steam pressure of nuclear steam supply system ( nsss ) are constant when the steady state operating condition is varied, and points out that in comparison with the steadysate programming with constant coolant average temperature, the ideal programming can improve the overall operating performance of npp effectively, especially in low - load range, for instance, raise the heat efficiency of npp, decrease the operating noise of main coolant pump, and improve the conditions of design, operation and control of the secondary loop system

    雙恆定運行方案是船用壓水堆核動力裝置的理想運行方案.在這種運行方案下,當裝置穩態功率變化時,冷卻劑平均溫度與蒸汽壓都保持不變,與通常採用的冷卻劑平均溫度恆定運行方案相比,有效地改善了核動力裝置的總體運行性能,特別是在低負荷運行時,可以提高裝置經濟性、降低主泵運行噪聲、改善二迴路系統的設計、運行和控制條件,這對于提高船用核動力裝置的運行可靠性和安全性具有實際意義
  11. So it holds a ideal ability to anti - interference and has 2 scalar level resolution in location and measuring velocity than traditional radio induction technology. and the channel composed of the new radio induction system for communication is different from the parameter - constant channel and the traditional parameter - changing channel, its parameter is decided by the mutual induction between its antenna and induction - cable, by the location of its antenna, by the signal frequency passing through, its parameter has nothing to do with the time parameter. the channel composed of the new radio induction system is a new parameter - changing channel independently of time for communication

    而且,由新型無線感應系統組成的通道既不是恆參通道,也不是一般目前所知的變參通道,其通道傳遞函數的幅值只與信號的頻率有關,與系統中天線和感應電纜之間的互感和天線的位置有關,而與時間無關,其通道傳遞函數的相位只與天線的位置有關,而與時間無關,由新型無線感應系統組成的通道是一種不隨時間變化的新型變參通道。
  12. Data acquisition and processing system for experiments of measuring planck constant

    光電效應法測量普朗克常數實驗數據採集與處理系統的研製
  13. Was established in 1996, grows fast as the development of the econnomy, we mainly research, develop and produce plastics, metal dustless coating macbine, transmission equipment, cprintedilk production line and all kinds of nonstandard industrial equipments, such as automatic constant temperature and constant humidity uv ray solidified production line, we also provide automatic electrostaric cleaning system and reciprocator, and piastic of coating cine mobile phone, camera, pda, dvd. stereos coating line, single or double core - strained powder - recycling system, full stainless steeled spraying. overflowing pre - treatmentsystem, gas or oil combustion machine, electric heat drying stove, workshop cleaing, air supplier cleaning equipment etc

    其中包括恆溫恆濕及全自動uv光固化生產線;全自動靜電除塵設備系統及往返系統;手面、相機、掌上電腦、 dvd 、多媒體音箱等塑膠外殼塗裝生產線『單、雙回收濾芯式粉體系統;全不銹鋼噴淋式、游浸式前外理;燃氣、燃油、電熱風烘乾爐;凈化車間、凈化供風設備等。
  14. For piston-engine-propeller system, the usual fixed-control case implies fixed throttle and constant rpm.

    對于活塞式發動機推進系統,通常固定操縱情況是指固定油門和轉速不變的情況。
  15. On the base of discussing about recent exploit and research progress on shoaly land, the authors put forward the frame of the research on shoaly land, in which the research on shoaly land is divided into two levels : basic research and application research. basic research includes the researches on basic conception, continuous evolution, and exploitation theories of shoaly land. and application research can be divided into three parts : social research, economic research, and ecological research. in the end, it is brought forward that some items should be researched first, such as the research on conception, statistics unit, constant inspection, law control, management system, public participation, industry policy, resource evaluation, and environmental impact assessment of shoaly land exploitation

    在簡略分析國內外沿海灘塗開發研究進展的基礎上,提出了我國沿海灘塗研究的理論框架,將灘塗研究劃分為基礎研究與應用研究2個層次。其中,基礎研究包括灘塗基本概念問題動態演變問題和開發理論問題等3個方面,應用研究則包括灘塗社會問題經濟問題和生態問題等研究內容。
  16. 2. diesel fuel injection system component are our major produce. we are a constant partner to our customers, from the planning stage right through service. in short, we don t just sell a product, we offer complete solutions

    中路通配件廠是專業生產柴油燃油噴射注射系統,專門生產柱塞,油嘴,油泵,分配泵泵頭, ps7100柱塞,出油閥等等一系列產品。
  17. When the area of little irrigation district is constant, drip line of trickle irrigation has the optimizing length. if the length of drip line is longer or shorter than the optimizing length, the expense of trickle system increases

    一般認為,毛管長度越長,則滴灌系統造價相應就會減少,因此,在優化設計時,通常認為毛管取最大長度。
  18. Constant system availability is assured by available failover capabilities

    故障轉移能力確保了持續的系統可用性。
  19. A piece - wise constant system ( pwcs ) method and singular value decomposition method of observability matrix of a dynamic system is proposed. and the good effect is achieved for analyzing observability and its degree of strapdown inertial navigation systems in initial alignment stage. through the computer simulation for different maneuver trajectories of the carrier in initkil alignment stage, obtain some important results

    本文對捷聯式慣導系統動基座初始對準這種時變系統,研究和分析了pwcs (分段線性定常系統)方法來判斷系統的可觀測性,奇異值分解的分析方法判斷系統各狀態的可觀測度,並通過大量的模擬實驗,驗證了這兩種方法,得出了一些重要信息。
  20. The results show that it is possible to convert the present constant system to variable system technologically. as the reason of the high fist - cost, the economic analysis should be made seriously before the conversion. the larger of the system and load change, the more benefits from the conversion will be gotten and the fewer return years will be required

    研究表明,將我國目前運行的定水量系統改造為變水量系統在技術上是可行的,但一次投資較大,因此改造前應該進行認真的經濟分析,系統越大,負荷變化越大,改造為變水量系統所獲得的收益也越大,回收年也就越小。
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