無電荷 的英文怎麼說
中文拼音 [wúdiànhé]
無電荷
英文
nc no charge-
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。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。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。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。In the case that there is only one island that contains an excess electron, we can get the single charge soliton solution of potential distribution in a finite array from the analytic expression we have got. and we find that in the limit of the junction number our result will naturally reduce to the result in the infinite array approximation
當結鏈中只有一個島上有剩餘電子時,由所得的解析表達式可以得到有限長鏈中電勢分佈的單電荷孤子解,並發現當結的數目趨于無窮大時,這個解將自然過渡到無限長鏈近似下的結果。A motor that is be directly coupled to a fan - blade or blower - wheel load is to be operated at the applicable test voltage and under no - fan, no - load conditions with the shaft running free
直接耦合到一個風扇葉片或鼓風機葉輪負荷的馬達,將在適用的試驗電壓下做無風扇,無負荷,軸空轉狀態的運行。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。That is the following in essence. a sufficient mass of cold matter will necessarily collapse to a black hole, and stars with different mass will evolve into the white - dwarf - star, the neutron - star or the black - hole eventually because of the radiation of the burning core. the collapse of stars with sufficient mass leads to a black hole endowed with mass and charge and angular momentum, no other adjustable parameters : " a black hole has no hair.
第二章簡單介紹一下「黑洞無毛」理論形成,即足夠質量的冷物質能夠塌縮成黑洞,不同質量的恆星由於核燃燒輻射最終會演化成為白矮星、中子星或黑洞,以及黑洞的終態系統唯一地由質量、電荷和角動量確定,而無其它物理參數,此即為「黑洞無毛」理論。To make pic ( particl - in - cell ) simulations. to set up models of guns and magnetic field and simulate them in the vacuum and plasma, respectively. we found that plasma held back part of space charge effects and improved trajectory of electrons. but beam would oscillate and became instable as accretion of plasma density. by simulating again and again, we draw a conclusion magic could n ' t work when plasma density was more by far than beam electron density. at last a four - stage depressed collector was simulated
建立電子槍和聚焦系統模擬模型,分別在真空和填充等離子體條件下進行模擬。發現填充等離子體能補償部分空間電荷效應,改善電子束包絡軌跡,提高電子的流通率,但是隨著等離子體密度的增大,束電子會出現振蕩不穩定性,遺憾的是通過反復多次模擬發現本文所用粒子模擬的代表性軟體magic無法用於模擬等離子體密度遠高於束電子密度的情況。The measurement system consist of computer, 16 - channel high speed data acquisition board, spark plug pressure sensor, crank angle signal generator, charge amplifier and oscillograph. the max acquisition frequency of this system is 1mhz
由通用微機、 16通道無相差高速數據採集卡、火花塞式壓力傳感器、角標信號發生器、電荷放大器、示波器組成的高速數據採集系統,最高總采樣頻率為1mhz 。Note that charge symmetry is not a strong enough condition to deduce the existence of π°; we need charge independence.
請注意:單靠電荷對稱性不足以推出的存在,我們還需要電荷無關性。The aim of this study is to investigate theoretically the possibility for activation of small mammalian myelinated nerve fibers without activating larger ones when stimulating a nerve fiber bundle with a monopolar point electrode using biphasic pulses, which can reduce the electrochemical damage resulted from stimulation pulses to nerve fibers. a simulation system for studying the electrical properties of mammalian myelinated nerve fibers was built based on a simple infinite and homogeneous volume conductor model. by use of an asymmetric but charge - balanced stimulation waveform, the sensitivity of excitation and blocking threshold of nerve fibers to fiber diameter, electrode - fiber distance was calculated. the results show that selective activation of small mammalian myelinated fibers may be possible in a region at some distance from the electrode using biphasic pulses
本研究的目的是要從理論上探討利用單電極雙向脈沖刺激實現哺乳動物神經纖維選擇性刺激, (即當刺激一束神經時,不興奮粗神經而興奮細神經)的可能性.雙向脈沖刺激可以降低刺激脈沖對神經纖維產生的電化學損傷.為研究哺乳動物有髓神經纖維的電特性,建立了一個基於簡單的無窮大、各向同性的容積導體模型的模擬系統.利用該模擬系統,採用「不對稱但電荷平衡」的雙向脈沖刺激,計算了神經纖維的興奮和阻斷閾值與纖維直徑、纖維-電極間距離的關系.結果表明:在距電極一定距離內採用該雙向脈沖刺激模式確實可以實現哺乳動物有髓神經纖維的選擇性興奮In this paper, a pll frequency synthesizer working in l band is researched. at fist, we review the basic of phase lock loop and it ' s constituent part. after that the basic conception and design method of pll frequency synthesizer was introduced, especially introduced the charge pump pll frequency synthesizer in detail
本文是採用鎖相原理設計的l波段頻率合成器,首先對鎖相環路的工作原理和基本組成部分進行了簡單的介紹,然後介紹了鎖相頻率合成器的原理和設計方法,主要介紹了目前小型頻率合成器產品中使用最廣泛的由電荷泵數字鑒頻鑒相器和無源環路濾波器構成的頻率合成器。Furthermore, a novel combined finite element method and charge simulation method has been proposed in this thesis for realizing the electric field computation of open boundary problem
同時,實現了有限元和模擬電荷法耦合求解無限遠場域問題,提出了實現無界場域電場的高精度數值求解的一種新思路。Abstract : starting from the equation of motion of a non - dissipative mesoscopic circuit with inductance coupling , the quantum fluctuations of charge and current in the eigenstates of the system and the squeezed vacuum state are investigated. the results show that the quantum fluctuations of the charge and current exist in all of the states. the fluctuations in each component circuit are connected
文摘:本文從無耗散的電感耦合電路的經典運動方程出發,分別研究了這一耦合電路在其任意的本徵態下和壓縮真空態下電路中電荷、電流的量子漲落,其結果表明,每個迴路中的電荷、電流都存在著量子漲落,且兩迴路中的量子噪音是相互關聯的These electromagnetic waves can affect telecommunications, radio broadcast and navigation system on earth. sometimes, charged particles can also endanger the operations of spacecraft and satellites in space, and expose astronauts to higher amounts of radiation
這些電磁波能幹擾地球的廣播通訊及無線導航系統,而帶電荷粒子亦能對航行中的太空船和人造衛星構成危險,也會使太空人處于較高輻射環境中。分享友人