重子數 的英文怎麼說
中文拼音 [zhòngzishǔ]
重子數
英文
baryon number-
The information on baryon transporter stopping ) may be accessed by the measure - merit of antiproton to proton ratio yield
反質子質子產額比被認為是實驗上反映重於數阻止和穿透的很好的物理量。The main characters ( the numbers of spores per ascus and the characters of ascospore wall ) at the species level whithin pertusaria is revealed by the light microscope. there are twenty - one secondary natural products examined by color reaction test and thin - layer chromatography in the text
通過用光鏡對中國雞皮衣屬和果疣衣屬地衣的孢子研究,結果表明:孢子特徵尤其是每子囊內孢子數目、孢子排列方式及孢子壁的特徵是種水平上的重要分類依據。Baryon number transport and stopping provide entirely different initial condition for the probably produced qgp
中心快度區的重於數阻止和重子數穿透的倩況為可能產生的qgp提供了完全不同的初始條件。For the bnl / ags fixed target experiments, baryon - rich region had been created but no direct evidences for qgp formation were found
對gs堆nl能區的同定靶實驗,末態具有豐重子數特性,但還沒有qgp形成的直接證據。The experimental results become close to entire baryon number transport step by step, from the entire baryon number stopping at low - energy to baryon transport with energy increasing
實驗上,從低能時中心快度區的完全重子數阻止,到能量逐步升高時,開始出現重子穿過。Elastic collision and inelastic collision are considered in oxygen molecule, nitrogen molecule by electron impart. the mail simulation results were as follow : ( 1 ) the variations of drift velocity and the average energy of electron with the e / n in o2 and n2 are obtained. the number of electrons for excitation, ionization, dissociation and dissociative ionization collision with the e / n and the energy of electron are analyzed emphatically
考慮了各種彈性和非彈性碰撞過程,在純氧氣、純氮氣中,給出了不同簡化場e n條件下的電子漂移速度和平均電子能量的變化;著重分析了激發、電離、分解及分解電離碰撞的粒子數隨e n 、電子能量的變化,同時計算了激發發射光譜的波長。The first commercial computer, eniac, incorporated 18, 000 vacuum tubes, weighed 30 tons, filled several large rooms, and consumed enough power to light 10 homes
第一代的商業電腦? ?電子數字積分計算機,合併了18000個真空管,重達30噸,佔地面積相當于幾間大房間,耗費的能量足夠供10個家庭照明。The channel capacity achieved in our experiments was better than that of the dual homodyne coherent state, homodyne coherent state and squeezed state communication when the average photon number exceed 0. 99, 1. 11 and 2. 06 respectively. it is more interesting that we found in the experiment, that the maximum channel capacity for a single mode - fock state communication can be surpassed with our system when the average photon number exceed 11. 302
我們實驗所得密集編碼的通道容量在光子數大於0 . 99 、 1 . 11及2 . 06時將分別超過相干態雙零差通訊通道容量、相干態零差通訊的通道容量以及壓縮態零差通訊的通道容量;最重要的是,當平均光子數(The model reproduced the following facts of wa97 experimental data : the yield of strange particles increases with increasing mass and increasing centrality of the colliding system, and also with increasing strangeness content of hyperons in relativis - tic nucleus - nucleus collisions. the simulation of strangeness production using luc1ae model shows that strangeness production is related not only to the rescattering. but also to the collective interaction among strings in relativistic nucleus - nucleus collisions
Luciae模型能很好地描寫wa97發表的單奇異和多奇異重子的產額和橫質量分佈的實驗數據,能較好描寫wa97實驗所揭示的相對論性核-核碰撞中奇異粒子產額隨碰撞體系質量、中心度的增大而增加和奇異粒子增強隨奇異粒子所含奇異夸克數的增加而增強的實驗事實。The antimuon decay also conserves the total light and heavy lepton numbers.
在反子衰變中,總輕輕子數和總重輕子數也是守恆的。This thesis is organized in two parts : the first part of this thesis focuses on strangeness production at sps energies. the strange baryon and strange meson pro - duction at sps energies are modeled via luciae model which includes the reseat ter - ing
我們的工作目標主要集中在用建立在強子和弦機制上的高能核反應模型- luciae ,模擬wa97和na49實驗中的奇異重子和奇異介子產生的數據。For the low pr hadrons, the bayon number density is very low and shows the evidence of early stage equilibrium. there exists elliptic flow character for the high pt hadrons
對于低竹強于,在h 0處呈現較低的重子數密度,有早期平衡的明顯證據;對于高ptjffi子,有橢性流的特點。A co2 laser with the optimized resonator is made and to be proved by experiments. this dissertation focus on the following problems : the kinetics process of the cvl and the co2 laser, the rate equations for the laser level population, electron temperature and electron density
本文的重點是:闡述清楚銅蒸汽激光和二氧化碳激光的動力學過程,定量描述激光能級的粒子數速率方程、電子溫度和電子密度等速率方程In qcd description, pp elastic scattering is a gluon exchange process. in the other words, pp elastic scattering is a high energy multiple scattering of two quark - composite system. therefore, one can describe proton - proton elastic scattering by quark multiple scattering theory, such as glauber theory, although this mechanism cannot have vacuum quantum numbers requested by experiments
一方面我們可以認為質子?質子彈性散射是一個膠子交換過程,另一方面我們也可認為質子?質子彈性散射是兩個夸克復合系統的多重散射過程,因此我們可以用夸克的多重散射理論,如glauber理論來描述質子?質子的彈性散射過程,雖然,這種機制不可能具有實驗所要求的真空量子數。On the basis of familiar with can bus and gsm communication, considering hev ( hybrid electric vehicle ) battery administrative system ' s demand for the host pc monitoring system, i have designed can - rs232 converter gateway to realize transmission the real - time data from can node to rs232 serial port, which is carried out by the project of at89c52 mcu + sja1000 can controller + 82c250 can controller interface. host monitoring software has accomplished real - time datas display, storage, historical datas graph analysis and storage fashion change from access to excel, at the same time, realized important datas transmission remotely with tc35 short message module. system software programs in assembly and vb
Can - rs232轉換網關採用at89c52微處理器+ sja1000can控制器+ pca82c250can控制器介面實現對can總線節點通訊的監聽,並將其轉換成rs232串口電平發送到pc機串口,同時用siemens公司的tc35模塊和at指令實現現場採集系統重要數據和錯誤信息的短消息通訊。在上位pc機監控系統中,主要完成的是對串口設置的選擇控制、現場採集數據的實時刷新顯示、歷史數據的圖表分析及數據的access數據庫存儲和excel電子表格的轉換。系統軟體採用匯編語言和vb實現。An ancient hindu astrology used 27 houses of 13 degrees 20 minutes, which are key numbers in the mayan calendar
一個古代印度占星家利用27間13度20分的房子,是瑪雅歷法的重要數字。( 2 ) the process of dc discharge in o2 / n2 mixtures with the different n2 concentration has been simulated. the dependences of number of collisions with the e / n and the energy of electron are given. it is analyzed stressfully that the process of electron - molecule collision with the e / n and the energy of electron in air at atmospheric pressure
對于o _ 2 n _ 2混合氣體,模擬了不同配比條件下直流放電過程,得出了發生碰撞的粒子數隨e n 、電子能量的變化;著重分析了空氣中激發、電離、分解及分解電離碰撞的粒子數隨e n的變化,給出了電子漂移速度和平均電子能量隨e n的變化。This show us a very useful signal in studying the systematic property in the early stage of the evolutive colliding system, that ' s, a non - zero flow component of those particles observed by experiment could be interpreted as a signal for partonic flow
因此在碰撞早期產生的重子數輸運是高能重離子碰撞中的一個重要的物理量,它影響著初態部分子的平衡,粒子的產生,系統的熱力學或化學平衡以及集體膨脹等過程。Is not only a parameter for measuring expansion of the universe, it can also be used to determine the age and the size of the universe, amount of dark matters, numbers of hadrons and abundance of light elements in the universe and even the structure of the early universe, and so forth
的一個參數,而且還可以用來計算宇宙年宇宙大小宇宙中黑暗物質的數量重子數目輕元素豐度甚至早期宇宙形成的結構等等。The second aspect : from qgp kinetic equations with collision integrals, by using the relaxation time approximation, we calculate the distribution functions to the second order correction. we obtain the distribution functions for quarks ( and anti - quarks ) and gluons under perturbation of the fluctuation of the color field. then in the high - temperature - low - density area, we discuss the characteristics of the distribution functions, and use t hem to get the net baryon density and the energy density
第二,從有碰撞項的qgp動力論方程出發,忽略自旋,在色漲落擾動下,利用弛豫時間近似,得到夸克和膠子分佈函數的二級修正,通過數值分析重點討論了高溫低密情況下qgp中成分粒子分佈函數的特性,並且由分佈函數得到凈重子數密度和能量密度。分享友人