negative load 中文意思是什麼

negative load 解釋
負荷載
  • negative : adj 1 否定的 否認的;拒絕的 (opp affirmative); 反對的 反面的;消極的。2 (opp positive) 【電...
  • load : n 1 裝載,擔子;負擔;工作(負荷)量。2 (車船等的)裝載量;一馱,一車,一飛機。3 【電、機】(機...
  1. Many survey data refer to mortal down load and sedimentation be produced due to the negative friction in pile foundation. the inequable sedimentation endanger the pile foundation greatly

    國內外一些實測資料表明樁基礎在使用階段負摩擦力可能產生非常大的下拉荷載和沉降,尤其產生的不均勻沉降對基礎危害最大。
  2. The elastic methods are beam - columns method, the pseudo load method, the pseudo lateral load method, the iterative gravity load method and the negative rigidity method

    常用彈性分析的方法有:樑柱法、虛擬荷載法、虛擬側向荷載法、迭代重力荷載法和負剛度法。
  3. ( 3 ) it is known that load effect is not consistent with the section resistance incommon section continuous composite beam. a kind of composite beam with itsrational section size is suggested, which is consist of the t shape concrete beam andsteel girder. this kind of composite beam not only has enough carrying capacity, almost has same positive and negative resistance moment, but can decrease theamount of the steel

    ( 3 )分析可知連續組合梁的跨中、支座截面處荷載作用效應及截面抗力規律不匹配,本文提出了採用t形混凝土梁和工字鋼代替一般的混凝土板和工字鋼的組合梁截面形式,並給出了截面尺寸比例,能使正負截面抵抗矩接近,符合組合梁受力特徵,減少了材料用量,滿足承載力和剛度等要求。
  4. This paper describes mainly system functions, measuring methods, circuit design, software program and errors analysis of a new type of measuring instrument. this instrument can measure and monitor electric parameters in single - phase circuits, three - phase ( three - wire or four - wire ) circuits. this system can be applied to electric devices and power plants, transformer substations with harmonic pollution. it can measure current, voltage, power, energy, frequence, power factor etc. it also can detect load quality, phase sequence, alarm, display and print results, as well as detect and dispose negative power

    該儀器適用於含有諧波污染情況下的機電設備現場、發電廠、供電局、企業變電所現場,可用來測量電流、電壓、有功功率、無功功率、視在功率、有功電能、無功電能、視在電能以及頻率和功率因數等電參數,並具有負載性質(感性、容性)判別,正、逆相序判別指示功能;超限報警功能;列印記錄功能和負功檢測及處理功能。
  5. At present, the electrical railway traction load in our country has great influence on power factor, negative sequence and hypo _ harmonics

    電力牽引負荷對電力系統的影響主要反映在功率因數、負序及高次諧波。
  6. In this thesis summarize how to avoid and deal with the negative friction in designing and using. researches indicate : ( 1 ) the negative friction in pile will lead to large number of down load in some designs. this friction must be considered in design to avoid the sedimentation and destroy in the building

    研究結果表明: ( 1 )在工程設計中,有些情況由於負摩擦力產生的下拉荷載數值相當大,在設計中應充分給予重視,以避免在使用中由於下拉荷載使樁的軸向荷載增加引起樁的沉降或不均勻沉降,而導致建築物的破壞。
  7. At present, low power factor, abundant harmonics and negative sequence are the three main characters of electrical railway traction load

    功率因數低、諧波含量大和不對稱性是現代電力牽引負荷的三大技術特點。
  8. It satisfies the requirements of china standard ( gb / t 14549 - 93 ), the harmonic and negative sequence component leaded by the input of electrified railways traction load are measured in si yan qiao substation. this thesis mainly analyzes the effects on the electric elements, feeding system losses, protection system and automatic device, and proposes corresponding schemes according to the problems occurring in si yan qiao substation

    本文實測了瀘州石燕橋變電站電氣化鐵路牽引負荷注入電網的諧波和負序分量,著重分析了電力系統中電氣設備、供電網線損、繼電保護和自動裝置受電氣化鐵路諧波和負序的影響,並針對石燕橋變電站出現的問題提出了對策。
  9. By constructing the necessary condition and sufficient condition for feedback to exist in a circuit, can derive the methods of short circuit or open circuit for the load or the signal source resistance respectively of the feedback network, to analyze the configurations of the negative feedback circuits

    通過構建電路存在反饋的必要條件和充要條件,可引出令反饋電路的負載和信號源內阻分別短路或開路的方法,用於分析負反饋電路的組態。
  10. At the same time, plastic hinge, rigid zone, negative stiffness, load relaxing and so on are taken into account

    該方法一併考慮了塑性鉸、節點剛域、負剛度及單元卸荷等問題。
  11. The fitness of four negative electrode materials such as al, fe, zn, cd, and of six membranes materials : microfiber glass mat separator, polyethylene, polypropylene, polyvinyl chloride, vinylon, soapnated cellulose acetate, and of four current collects : carbon fiber ; nickel foam ; nickel foam sthongthened by iron wire net, punched silver grid in the super - iron alkaline batteries was comparatively studied. the influence of two storaged method ( with and without electrolyte ) and two impurities ( zno, fe ( oh ) 3 ) to the experiment cell ' s self - discharge nature was also comparatively studied. at last, the nature of discharge. structure and electrochemistry of experimental cell with k2feo4 as cathode active material prepared by three different methods : high temperature reaction, hypochlorite oxidizing and electrolysis, was comparative ly studied. we can conclude : i ) the open - circuit potential and the flat of work potential and the percent of capacity of k2feo4 till 1. 0v during the discharge at constant load of experimental cells decreased by the order of al / k2feo4, zn / k2feo4, cd / k2feo4, fe / k2feo4. as for the nature of charge - discharge cycle, cd / k2feo4 fe / k2feo4 zn / k2feo4. in water solute electrolyte, although al / k2feo4 can n ' t be used as storage battery, it have great potential as primary cell or storage cell from the aspect of its discharge capacity. discharge power

    採用組裝實驗電池、 x -射線衍射( xrd )和循環伏安( cv )的方法,從實驗電池的放電特性、充放電循環特性、自放電特性,不同高鐵酸鹽的結構特性和電化學特性幾個方面,對4種金屬負極材料( al 、 fe 、 zn 、 cd ) 、 6種隔膜材料(復合玻璃纖維、幅射接枝聚乙烯、改性聚丙烯、聚氯乙烯、維尼綸無紡布、皂化再生纖維素) 、 4種集流體材料(泡沫鎳、以鐵網為加強層的泡沫鎳、切拉銀網、炭纖維編織網)在堿性高鐵電池中的適用性進行了比較研究;對2種雜質組分( zno 、 fe ( oh ) _ 3 )和2類不同貯存方式(干、濕)對實驗電池自放電特性的影響進行了比較研究;對3種方法(高溫固相反應、次氯酸鹽氧化、直流電解)所制k _ 2feo _ 4的實驗電池的放電特性、結構特性和電化學性能進行了比較研究。
  12. A pulldown resistor to the negative rail will allow the output to approach that rail ( provided the load impedance is high enough, or is also grounded to that rail ), but only slowly

    一個下拉電阻器將允許輸出迫近迫近該電源軌(所提供的負載阻抗足夠高,或負載也是接地的) ,但這樣速度較慢。
  13. Negative for taxi, there is an error in your load sheel

    不同意滑行,你的艙單有錯誤。
  14. Under the vertical load, the vertical pile group has bigger bearing capacity than the battered pile group. under lateral load, the positive battered pile group has bigger bearing capacity than the vertical and negative battered pile group. both model experiments and prototype experiments are conducted

    與單樁類似,豎向受荷直樁群樁承載力比斜樁群樁大;水平受荷群樁, 「正斜」單樁組成的群樁比直樁群樁和「負斜」單樁組成的群樁的承載力大。
  15. Before the development of the system, the article describes the above - mentioned aspects, as the bases of the system development. the article emphasizes related auto - controlling technologies : open - 100p and close - 100p, and control mode of negative - feedback, the scatter and quantization of the simulate signal, the conception of a / d and d / a conversion and code / encode, the basic sampling principles of the simulate signal. the article introduces the operation method and process of the system by means of the load spectrum

    文章對相關的理論進行了陳述,以作為系統開發的理論依據,重點闡述了自動控制系統中包括開環閉環在內的幾大主要控制模式,以及有關的負反饋控制方式,模擬信號的離散與量化,模數轉換、數模轉換、編碼譯碼的概念,及模擬信號采樣的基本原理? ?采樣定理,並以載荷譜法為例,簡述了所研究的系統將要採取的工作方式及工作過程。
  16. The further research in port engineering pile foundation is considered to be important of such as behavior and bearing capacity of laterally loaded single piles and pile groups, and the functional mode of wharf foundation pile under flood tide torrent, and load - deflection curve, and negative skin friction along the pile, et al. the bearing capacity and the negative skin friction of port engineering piles are analyzed, to satisfy port engineering development demand better

    在港口樁基工程領域,港口工程水平承載(群)樁的工作性狀以及承載力計算方法,漲潮急流等動態荷載作用條件下碼頭基樁的受力性狀,樁的作用荷載與變位趨勢關系、樁的負摩擦等問題都要求作進一步的研究。本文致力於以港口工程樁基為主要研究對象,對港口工程(群)樁基水平承載力和負摩擦力進行研究,以更好地滿足港口工程建設需要。
  17. This thesis put forward a systemic method to settle the negative friction in project design. it includes when the negative friction must be consider, the zero position decided, count the down load, the negative friction group pile, the infection on end - bearing and sedimentation and stability, how to deal with in design to avoid the negative friction and how to solve when the negative friction produced

    本文提出了在工程設計中如何處理樁基負摩擦力的方法,包括什麼情況下考慮負摩擦力、負摩擦力中性點位置的確定、樁基下拉荷載的計算、負摩擦力的群樁效應、負摩擦力對樁基豎向承載力和沉降的影響、設計施工中如何避免出現負摩擦力以及對已經出現的負摩擦力如何根治。
  18. What ’ s more, it is effective way to study the negative friction, the side friction of pile - soil, because its o - cell can be placed any part of the pile. but self - balanced testing method is incapable of acquiring the conventional load - settlement curve, q - s curve, several transformation method have been developed

    但是,自平衡試樁法不能直接得出傳統的荷載? ?沉降關系,由此方法得到的兩條q ~ s曲線,必須將其轉換為傳統加載的q ~ s曲線后才能分析試樁的沉降量。
  19. The positive load take absolutely advantage in the first spatial pattern of year and seasons. especially that the precipitation field load of winter is all positive. not in the southwest of china because of southwest monsoon etc. system ; the characteristics of the second spatial pattern are that most of the area is taken up by positive load in year and four seasons, the west of talimu basin is the center of negative load of the year, spring and autumn vector fields ; east of zhungeer basin is the center of positive load of the third spatial pattern of year, spring, summer and winter, the center of negative load is often in east of chaidamu basin, but the distribution center of autumn is in east of zhungeer basin ; the distribution of the fourth spatial pattern is difficult to describe and forms several centers of positive and negative load ; several centers of positive and negative load also appear, the distribution of load fields of the fifth spatial pattern of year, spring and winter represents the situation of " +, -, + " from southeast to northwest ; the complexity of the sixth spatial pattern is more stonger than that of the fourth and the fifth spatial pattern, several centers of load fields of year and each season often appears inverse situation of the positive and the negative load. but the centers are still most in zhungeer basin, chaidamu basin and talimu basin

    第一空間型中,年和四季都是正荷載占據絕對優勢,特別是冬季降水場皆為正值,只是西南地區由於受西南季風等系統的影響,表現為與其它地區的不同;第二空間型的特點如下:年和四季分佈皆為正荷載占據大部分區域,負荷載中心年、春季和秋季分佈中都是位於塔里木盆地西部地區;第三空間型正荷載高值中心除秋季外都是處在準格爾盆地以東地區,負荷載中心多在柴達木盆地以東地區,秋季卻處于準格爾盆地以東地區;第四空間型分佈就較復雜無章法可言,形成多處正負荷載中心;第五空間型特徵是這樣的,同樣是多個荷載中心出現,年、春季和冬季中的荷載場分佈從東南到西北大體呈現「 + 、 - 、 + 」的特點;第六空間型分佈的復雜程度較之第四、第五空間型更大,年和各季分佈比較中多個荷載中心常出現正負相反的情況,但中心仍以柴達木盆地、準格爾盆地和塔里木盆地為主。
  20. A new kind of energy saving control called " negative load sensing control " is also adopted in hydraulic servo control process and the result is satisfactory

    由於在其液壓系統中採用了一種負流量負荷傳感控制,因此節能效果顯著。
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