無電荷的 的英文怎麼說
中文拼音 [wúdiànhéde]
無電荷的
英文
uncharged-
These maneuverable, computer - guided craft tear through enemy flight formations and relentlessly strafe slower ground targets with potent plasma charges
這些高機動性,電腦控制的小飛機,撕裂敵軍的飛行編隊,強大的等離子電荷無情的掃射地面目標,使其行動緩慢。In this paper, the principle of. fly ash static doffing charcoal has been brought forward. that is : using some measure and making charcoal grain and abio - ash grain of fly ash carry isomerism charge before they enter into static electric field
本文提出了粉煤灰靜電脫炭原理和技術,即採取技術措施使粉煤灰中炭粒和無機灰粒在進入靜電場前分別帶上異性電荷,利用電場力的作用把炭脫去。A hypothetical particle postulated to be the quantum of gravitational interaction and presumed to have an indefinitely long lifetime, zero electric charge, and zero rest mass
引力微子一種假想粒子,被假定為引力相互作用的量子,並被推測為具有無限長壽命、零電荷和零靜止質量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。High voltage shunt capacitor installation is comp - rised of capacitor cabinets or steel racks capacitor, special fuses for capacitor overload protection, capaci - tor discharge device, air - cored reactor which is applied to restrain surge current and high frequency harmonic, zno arrester without gaps for overvoltage - limiting and high voltage vacuum switch etc. capacitor cabinet is
高壓並聯電容器成套裝置主要由電容器櫃或鋼架電容器電容器過負荷保護專用熔斷器放電裝置專用放電線圈或電壓互感器,抑制涌流限制高次諧波的空芯電抗器和限制過電壓的無間隙氧化鋅避雷器及高壓真空開關We fhd that the energies have the following important properties : ( 1 ) the energies are positive and monoton - ically decrease to their arnowitt - deser - misner ( adm ) masses at spatial infinity ; ( 2 ) the energies have the correct newtionial limiting, and include the binding energies from the gravitation ^ electrostatic charge and dilaton charge, respectively ; ( 3 ) martinez ' s conjecture is valid for such black holes
結果表明該能量具有如下幾個重要特徵: ( 1 )該能量是正定的,且隨徑向坐標單調遞減,在無窮遠處為黑洞的adm質量; ( 2 )該能量具有正確的牛頓極限,並包含有分別來自於引力、靜電荷和伸縮子荷的束縛能; ( 3 ) martinez猜測對這些黑洞依舊成立。With the development of the electric power system, static - state reactive power compensators ca n ' t have met the requirements of the actual production and operation, and the trend to the fast and dynamic compensation for reactive power become greater and greater. since ertan hydroplant and 500kv transmission systems in sichuan power system have been operated, many power plants of load center are forced to halt during the high - water period, because the great deal of power is transmitted to far - distance load center. thus the load center loses voltage sustentation and the level of the system stabilization is debased greatly
四川電網的二灘水電站和500kv輸變電系統投入運行后,由於二灘水電站的大量電力遠距離輸送至負荷中心,迫使負荷中心的火電機組在豐水期大量停機,使負荷中心失去電壓支撐,大大降低了電網的電壓穩定水平;同時,因為四川電網中的無功補償裝置全為靜態無功補償電容器(或電抗器) ,這些設備只能在系統正常運行狀態下起到無功補償和電壓支撐的作用,而在電網出現事故時,不但不能起到電壓支撐作用,反而會促使電網電壓崩潰事故的發生。Taking load uncertainties, infeasibility problem and multiple objection of the reactive power optimization in the radial distribution system into consideration, loads are modeled as fuzzy interval numbers. fuzzy power flow is proposed based on fuzzy interval load for the more practical membership function of line losses rate and maximal voltages offset. this thesis presents multiple objection model of the reactive power optimization considering uncertainties using the fuzzy set theory
對配電網電壓無功優化問題中負荷的非概率性的不確定性問題、多目標問題、約束不可行性問題進行了研究,用模糊區間來描述實際的負荷情況,並用負荷的模糊區間值計算配電網的潮流,得到有功功率損耗和電壓的模糊區間值,使網損率和節點電壓最大偏移量的隸屬函數更接近實際情況;將改進遺傳演算法與模糊集理論相結合,通過求解多目標函數和約束條件的模糊集合的交集,得出網損率和節點電壓最大偏移量最小的最優運行狀態。Until about ten years ago, we believed that the only properties we can tell about a black hole are its mass, angular momentum loosely speaking its spinning rate and its electric charge. two black holes that have the same mass, angular momentum and charge will behave in exactly the same way. in particular, it does not depend on what kinds of material it forms from
原理:十年之前,我們相信黑洞是一個很簡單的物體,三個物理參數質量角動量如要求不嚴謹,可把它看成為自轉速度和電荷便決定了它的一切,兩個黑洞只要它們這三個參數相同,物理特性便完全一樣,黑洞最初由甚麼物質所造成是無關宏旨的,由於黑洞是這樣單純,光禿禿沒有甚麼特徵,所以天文學家謔稱黑洞沒有毛發。This article discuss the method to measure distortion of truss by means of ccd device. the distortion can be measured with many kind of displacement transducer, but it must be placed on stable base. when the huge truss is moving through some tunnel, it is difficult to find a stable base, especially there is no enough space for someone to operate. it is hardly to measure the distortion by touching. on the contrary, this can be achieved by means of ccd device
桁架在自重或載荷的作用下產生的撓度可以用多種位移傳感器測得,這些測量方法需要有良好的基礎,在大型桁架梁測量現場,由於桁架的變形,難于找到這種基準,如果加上測量環境惡劣,人無法操作情況,則會給撓度測量帶來極大的困難,而採用光電荷耦合器件,並利用激光進行遠程實時撓度測量,即可以解決這個難題。Now the affect and the measure of hypo _ harmonics is in the research. the influence of negative sequence is almost eliminated along with the enlargement of the system ' s capacity and the alternate connection of traction substations. the fixed parallel compensate equipment applied in traction substations consist of a constant capacitor and a constant inductance, so its output is constant
負序電流的問題已經因系統容量的增大、牽引變電所採用輪換接線方式而基本解決,電力部門實行的「反轉正計」 ,使採用對無功功率固定補償方式由於牽引負荷變化頻繁而出現補償容量不足或過補償現象,難以達到滿意效果。( 3 ) despite of many studies on oxidationjlithiation of porous nickel, a very important factor abstract has not been pay much 8ttedion to, that is, most of the matcria [ s in mcfc actually work under a ioad generated by the self weight of mcfc stack, which undoubtedly has a great effect on the materials performance in mcfc
( 3 )盡管近些年來,對于金屬ni在熔鹽中的氧化鋰化行為已進行了相當深入的研究,但是有一個很重要的因素卻未被關注。即, mcfc電池堆中的電極材料在實際啟動和運行過程中總是處于由電池堆自身產生的負荷狀態,負荷的存在無疑對電極材料的性能產生不容忽視的影響。It turns out that transistors in these flash - memory devices are prone to being gummed up with electrostatic charge that they cannot dissipate
結果發現,這些快速記憶裝置中的晶體管一旦被沖入了它們無法驅散的靜電電荷,它們就會出毛病。Furthermore, it is very important that improve the autoimmunization of substation without watch - keeper. in the design of substation, we predigest main wiring with a minitype base and adopt simple wire - connection : dule t type is used in 66kv side, segmented single bus - bar with hospital bus - bar is used in l0kv for major load
在該無人值班變電所的設計中,以小型化模式為基礎,簡化主接線: 66kv側採用雙t接線方式,正常時雙線雙變壓器分列運行; 10kv側由於饋電線路較多,負荷較為重要,因此採用單母線分段帶旁路接線方式。High voltage shunt capacitor installation is comprised of capacitor cabinets or steel racks capacitor, spe - cial fuses for capacitor overload protection, capacitor discharge device, air - cored reactor which is applied to restrain surge current and high freq. harmonic, zno arrester without gaps for overvolage - limiting and high voltage vacuum switch etc. capacitor cabinet is made of highquality cold - rolling steel plate
高壓並聯電容器成套裝置主要由電容器櫃或鋼架電容器電容器過負荷保護專用熔斷器放電裝置抑制涌流限制高次諧波的空芯電抗器和限制過電壓的無間隙氧化鋅避雷器及高壓真空開關等設備組成。Section iii proposes a possible organization of a reactive power market, a regional reactive power market established according to the distribution of the load and the reactive supply. the regional reactive power market is composed of a reactive energy market based on marginal pricing and a reactive capacity market based on a reactive regulating capacity payment. the cases in section iv, based on the market organization proposals and the reactive bid structure previously presented, performed on a five - bus system and the ieee 14 bus system, are used to analysis the effects of active bid, voltage control and power factor on the reactive marginal price
本文首先回顧了電力市場發展的歷史和現狀;然後對市場中的定價方法和無功輔助服務的內容及特點進行了總結,並介紹了一些國家的無功輔助服務市場模式和交易方法;接著立足我國國情,提出了單邊開放電力市場下的無功市場框架:即根據負荷和無功源的分佈特點建立區域無功市場,各區域無功市場又由相應的無功電量市場和無功容量市場組成;並提出了該無功市場模式下的機組報價模型和基於報價的以系統總購電費用最小為目標的無功電價計算方法;最後用一個5節點系統和ieee14節點系統進行了實例分析,初步研究了發電機有功報價、系統電壓控制以及負荷功率因數對無功電價的影響,得出了一些有借鑒意義的結論。A painless pulse of electricity can drive drugs, which tend to be charged, through the impermeable outer layer of the epidermis and into the blood vessels of the dermis
無痛的電流脈沖可以趨使藥物(通常會帶電荷)穿越不通透的表皮外層,進入真皮層的血管。Based on the theory of branch complex power, accurate formulas are derived to determine complex loss and flow components in power elements. to overcome the deficiencies of the traditional methods which transmission cost is allocated to users only based on active power flow and the existed using portion definitions which fail to take it into account that the interaction of active and reactive power, a new definition of the using portion of a power element by a particular generator or load is addressed
針對當前輸電費用只按有功潮流進行分配,無法計及無功潮流交叉影響的缺陷和基於傳統的電路理論無法結合有功無功潮流來定義元件使用份額的問題,本文又在復功率電源的支路功率分量理論基礎之上,基於發電機和負荷的復功率在支路上引起的有功損耗分量,給出了發電機和負荷對元件使用份額的新定義。The gigantic cloud of highly charged particles hurled from the sun posed a threat to high frequency radio communications, satellite navigation systems and television broadcasts
攜帶強大電荷的巨型粒子云從太陽猛地撲向地球,對高頻無線電通訊、衛星導航系統和電視廣播都形成了威脅。The radiation is due to the motion of change and has nothing to do with the spin of the electron.
因為輻射是由於電荷的運動所產生的,而與電子的自旋無關。分享友人