w particle 中文意思是什麼

w particle 解釋
w玻色子
  • w : （pl W s w s ）1 英語字母表第二十三個字母。2 W 字形物。3 〈W〉 【化學】元素鎢 （wolfram） 的符號...
  • particle : n 1 顆粒，微粒；微量，極少量。2 【物、數】粒子，質點。3 【語法】虛詞，不變詞〈冠詞、副詞、介詞、...
  1. Teleportation of a two - particle entangled state via w class state

    類態的未知兩粒子糾纏態的量子隱形傳態
  2. Focusing on the performance evaluating and the design of tripropellant injector, adopting the cold test rig with background pressure supply, malvem particle analyzer, ccd photography system, tripropellant hot test - bed, numerical simulation software and auxiliary theoretical a nalysis, the d ischarge c haracteristic a s w ell a s a tomization p erformance o f the injector and the combustion performance as well as the mode - transition characteristic of thrust chamber are studied detailedly based on the 3 different structures of coaxial tripropellant injector, large numbers of important conclusions are gained

    本文圍繞三組元噴嘴的性能評定及設計方法。採用反壓冷試臺、馬爾文測粒儀、 ccd高速攝影系統、三組元發動機熱態試驗臺、數值模擬程序及輔助理論分析等多種技術手段和研究方法，對三種結構的同軸式三組元噴嘴深入進行了噴嘴流量特性和霧化特性、推力室燃燒性能和轉工況性能研究，得到了大量重要結果。
  3. Combining the characteristic of the fabrication of fgm by particle co - sedimentation, the densification of fgm has been designed from three aspects : the densification mechanism, the correlative parameters of the additives and the sintering schedule. subsequently, the densification of the w - mo - ti system composites has been investigated

    結合共沉降法制備功能梯度材料的特點，從緻密化的機理選擇，燒結劑種類、含量和粒度的確定，燒結機制的確定等三個方面對其緻密化思路進行了設計，並對論文選用的w - mo - ti體系的復合材料的緻密化進行了初步研究。
  4. Results indicate that with the approximation of _ ( 0 ) _ ( 0 ) - grtlneisen equation of state is usable to describe the release isentrope of ofhc copper in the present pressure range. in addition, the difference ( w - 2u ) becomes greater with the increase of shock pressure, where w is the measured particle velocity at the final release state ( 1 atm ) and 2u is computed from the mirror line of hugoniot

    卸載路徑的計算和分析表明：在所研究的壓力范圍，無氧銅的等熵卸載過程用gr neisen狀態方程在_ 0 _ 0 =近似下的描述是適用的；卸載到一個大氣壓的終態粒子速度w與鏡像反演的粒子速度2u的偏差，隨沖擊波壓力的增加而增大。
  5. Result of numerical simulation shows that the grads of continuous phase " s velocities decreases with the presence of microbubble of which the diameter is 100 / / w, the profiles of air volume fraction in the boundary layers is similar to triangle or echelon, affected by interaction among the particle, there is a saturated air fraction, within the scope of saturated air fraction, increasing the air injection ratio can accrete the friction reduction ratio, under the condition of same air injection ratio, the free - steam velocity is larger, the effect of friction reduction is worse

    計算結果表明，直徑為100 m的微氣泡能減小近壁面連續相的速度梯度；微氣泡在邊界層中的濃度分佈近似為三角形或梯形分佈；受粒子間相互作用的影響，存在一飽和濃度；減阻率隨噴氣量的增大而增大，直至飽和噴氣量，此後，增大噴氣量，壁面摩擦阻力變化不大；相同噴氣量下，來流速度越大，減阻率越低。
  6. Probabilistic teleportation of a four - particle entangled w state

    型三能級原子糾纏態傳輸未知四能級原子態
  7. The test results have showed that the w - cu powder produced by the homogeneous precipitation process has a near spherical shape, a particle size ranging from 50 to 200nm and a uniform distribution of w and cu gradients

    研究結果表明，均相沉澱法制備的w - 30wt . cu復合粉末顆粒明顯呈球狀， w 、 cu組分呈均勻、彌散分佈，透射電鏡觀測顯示其粒徑范圍在50 - 200nm之間，為超細粉體。
  8. Contrarily, w - cu powder prepared by reducing the mechanically mixed wo3 - cuo oxides has a particle size ranging from 0. 1 to 1 m with irregular partic le shape and non - uniform distribution of w and cu composition

    而機械混合氧化物共還原法制備的w - cu復合粉顆粒較粗大，其粒徑分佈范圍在0 . 1 1 m之間，顆粒形狀也並不規則。
  9. It is now known that using powder with fine particle size and homogeneous distribution of ingredients can improve the sinterability of a powder compact, especially in w - cu system, for which the dominant sintering mechanism is particle re - arrangement during the liquid - phase sintering

    而超細、混合均勻的粉末能較大地改善粉末的燒結性能，對以顆粒重排機制為主導的w - cu系液相燒結尤為如此。
  10. The experimental techniques ( such as sedimentation equipment, controlling the size and size distribution of powders, the concentration of suspension ) have been devised subtly. on the basis of theoretical and densification design, the w - mo - ti fgm has been obtained by particle settling and hot pressing sintering. the structures of specimen were observed by electron probe

    通過對實驗工藝，如沉降設備、原料粒度及粒度分佈的控制、懸浮液濃度等方面進行精細的設計，在理論設計和緻密化研究的基礎上，通過顆粒共沉降得到梯度沉積體，並通過真空熱壓燒結得到w - mo - ti功能梯度材料。
  11. Ni - w - b - ptfe composite coating played a remarkable increase in wear resistance compared with ni - w - b and ni - w alloys because of the addition and self - lubricity of ptfe particle in deposit

    由於pite粒子所具有的自潤滑性，在鍍層中加人iqte分散粒子后， ni w
  12. Nano - silica in aqueous solution ( solid content w = 25 % - 30 %, particle size s = 8 - 15nm, ph = 9 ) has been prepared by silicon. then two modification measures are used to modify nano - silica particle

    文中採用單質硅法制得固含量為25 30 、粒徑10nm左右的穩態下（ ph = 9 ）的納米二氧化硅水溶液。
  13. It is found that, the sintering process of w - ni - fe - cu alloy was a typical liquid - phase process, which including particle rearrangement stage, dissolving - precipitation stage and solid - phase sintering stage. cu plays an important role in the particle rearrangement stage, while fe can promote the densification by forming ni - fe - w bonding - phase. ni can not only form the bonding - phase, but also enhance the diffusion between the w grains

    研究表明， w - ni - fe - cu合金的液相燒結緻密化經歷了顆粒重排、溶解-析出和固相燒結等三個階段， cu僅在顆粒重排階段起主導作用； fe主要在溶解-析出階段通過形成ni - fe - w三元粘結相來促進w合金的燒結緻密； ni不僅參與形成ni - fe - w三元粘結相，並且在w晶界上通過與w的互擴散促進了固相w晶粒的粘合。
  14. " i have done a terrible thing, i have posulated aparticle that cannot be detected " w. pauli, a great physicist in the 20th century sighed over a kind of new particle he proposed in early 1930s

    二十世紀一位偉大的物理學家泡利w . pauli在30年代初對自己提出的一種新粒子曾作出這樣的概嘆。這種粒子就是本文的主角中微子。
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