density of state 中文意思是什麼
density of state
解釋
能量狀態密度-
At a definite temperature a mesoscopic circuit isnt in a determinate quantum state instead of in the mixed state ( or statistical state ). using the density matrix of the canonical ensemble, we have deduced the formulate of the quantum fluctuations of both charge and current in a non - dissipative mesoscopic coupled circuit. and the dependences of the quantum fluctuation of the circuit on its temperature have obtained
在有限溫度下，介觀電路系統實際上並不處在一個確定的量子狀態，而是處在混合態.根據正則系綜的密度矩陣導出耦合互感電路中電荷和電流的量子漲落，得到了量子漲落與溫度的依賴關系 -
The main work and achierement are as following : ( 1 ) by using shock impedance matching technique and electric probe method, 5 shots of impact experiments were conducted to measure the hugoniot equation of state for enstatite ( mg0. 92, fe0. 08 ) sio3 with the average initial density 3. 05g / m3 from shock pressure 50 gpa to 115gpa, using two stage light gas gun
本文研究取得的認識主要有以下幾點： （ 1 ）用阻抗匹配法和電探針技術在80 115gpa壓力范圍內對平均初始密度為3 . 05g / cm ~ 3的頑火輝石樣品進行了5發hugoniot狀態實驗測量。 -
At the same time, the quality of different - state water was studied. the results show : the soil bulk density of the fir wildwood heightens with the increase of soil depth, specifically 0. 74 > 0. 94 andl. 34g / cm3, the saturated, canaliculus and field moisture contents decrease gradually in layer a, b and c, accordingly the soil total foveola decreases gradually, and the moisture - hold capacity of the soil lessens gradually with the increase of the soil depth ; there is small difference of the soil bulk density between layer a and b in the outer space, which are respectively 0. 92 and 0. 99g / cm3, and the other laws are the same as the in ner in the main ; reverse success often occurs in the low position of the thoroughly - fell trace and plateau marsh is formed
結果表明：冷杉原始森林土壤容重隨土層深度的增加而增大，分別為0 . 74 、 0 . 94 、 1 . 34g cm ~ 3 ，飽和持水量、毛管持水量、田間持水量a層、 b層、 c層逐漸減小，十壤總孔隙度也逐漸減小，土壤的持水能力隨深度的增加逐漸減弱；林外空地a層、 b層十壤容重相差不人，分別為0 . 92和0 . 99g cm ~ 3 ，其它規律與林內人體相同：皆伐跡地的低洼地段容易發生逆行演替，形成高原沼澤地。 -
This dissertation proves that a single m - partite entangled mixed state in the system whose dimension of each subsystem is two cannot be purified to an m - partite entangled pure state. in general, a single m - partite entangled mixed state whose density matrix has higher rank cannot be purified to an m - partite entangled pure state. for a class of entangled mixed states, its fidelity cannot be increased under locc
論證了在局域操作和經典通信下，單個多體糾纏混合態（每個子系統的維數都為2 ）不可能被純化；密度矩陣有著較高秩的混合態也不可能被純化；給出了一類多體糾纏混合態，在局域操作和經典通信下，對某一糾纏純態的忠實度不能增加。 -
The entropy or number of states of system or subsystem are closely related to interaction of particles and energy level distribution, therefore, to study the temperature dependence of the specific heat may supply some important and useful microscopic information which may play an important role in understanding electronic structure, density of state, phonon spectrum etc. the specific heat measurements at low temperatures also play important roles in the finding of the third law of thermodynamics, the quantum theory of solid and bcs theory for superconducting etc. moreover, specific heat measurements help us to understand the different kinds of phase transitions ( such as : structural phase transition, magnetic phase transition, superconducting phase transition etc. ) and the scaling behavior near the critical point
系統、子系統的熵或微觀狀態數與微觀粒子間的相互作用及能級分佈密切相關，因此研究比熱與溫度的依賴關系能夠提供被測量系統許多極其有用的微觀信息，對理解固體的電子結構、電子態密度、聲子譜等起著十分重要的作用。低溫比熱的測量和研究對熱力學第三定律、固體量子理論和超導bcs等理論的建立起到了積極的推動作用。比熱研究還有助於認識各類相變如結構相變，磁性相變，超導相變等及臨界點附近的標度規律。 -
We examin e the generation of bell state in bose - einstein condensates of two interacting species trapped in a double - well configuration analytically and the density of probability for finding the entangled bell state is given. we find that the oscillation amplitude of the probability of density for finding the entangled bell state becomes greater as the ratio of the interspecies interaction strength and the tunneling rate increases, moreover the self - interaction strength of the component a ( b ) has no effect on it. also we use the time - dependent su ( 2 ) gauge transformation to diagonalize the hamilton operator, obtain the berry phase and analytically the time - evolution operator
此外我們還研究了在雙阱玻色-愛因斯坦凝聚中糾纏態的演化，研究發現隨著組分間相互作用和隨穿率的比值的增加系統演化到bell態的概率變大，而且組分自身內在的相互作用對形成bell態的幾率沒有影響；並且用含時su （ 2 ）規范變換對角化哈密頓量得到了系統的berry位相和時間演化算符，並研究了量子隨穿過程。 -
Such control can be realized in case where a atom interact with photonic band gap matericals when the atom is placed in photonic crystals whose density of modes is dramatically different from that of free space vacuum. it was known that control could be achieved by varying the frequency ( which leads to the changes of the relative position of the upper levels from the forbidden gap ) or by varying the photonic density of modes ( dos ) or by varying the intial atomic state
由於光子晶體具有不同於真空中的光子態密度，原子和光子帶隙材料便發生相互作用，這樣便可以控制原子的自發輻射。改變原子上能級與光子禁帶邊緣的相對位置、材料中的光子態密度或原子初態都可以控制原子的自發輻射。 -
In this paper, the method of rubber regeneration to modify the grt was investigated in order to decrease the crosslink density of ground rubber tyre ( grt ) and try to improving the interfacial contact state between grt and waste polypropylene ( wpp ), mechanism of proton - transfer devulcanization was studied in the first time
本文研究了兩類再生劑de - link和乙撐胺對廢膠粉（ grt ）的改性效果，來適當降低膠粉的交聯度並試圖改善其與廢聚丙烯（ wpp ）之間的界面接觸情況，並首次對質子轉移法脫硫的機理進行了探討。 -
In a narrow sense of the word, equation of state ( eos ) is the relationship of pressure, volume ( or density ) and temperature ( p - v - t ) for substance system in thermodynamic equilibrium
從狹義上講，物態方程是描述處于熱力學平衡態的物質系統中壓強、溫度、體積或密度之間的函數關系（ p - v - t ） 。 -
The radius of color screening in medium is in inverse proportion to the density of color charge and energy. when the radius of color screening is smaller than that of resonance state, strong interaction will decrease sharply and bound states ca n ' t exist
因為介質中的色屏蔽半徑反比於色荷密度和能量密度，當屏蔽半徑比共振態尺度小時，強相互作用力會減小得很厲害，使得束縛態不可能存在。 -
The fractional change in bold signal for a given change in blood flow can vary in different parts of the brain, depending on the local density of blood vessels and the physiological state of the particular tissues at rest
同樣的血流改變所導致的血氧濃度變化信號變化，在腦的不同部位會有不同的大小，端視局部的血管密度以及靜態下特定組織的生理狀態而定。 -
The chief executive, mr tung chee hwa, and the parliamentary under secretary of state at the british foreign and commonwealth office, dr denis macshane, mp, inspect a 40 - story model inside the integer hk pavilion showing the application of the principles of intelligent and green in the local humid and high - density living environment
:行政長官董建華和英國國會外交及聯邦事務部政務次官麥守謙博士參觀in的家香港展覽館內一座四十層高建築模型，顯示如何把智能和環保概念應用於本港潮濕和稠密的居住環境。 -
From an analytic treatment, the state is determined by the nanotube diameter rather than chirality. the corresponding image of local density of states in real space shows a highly localized state around the defect
然後逐點計算局域態密度發現，在實空間準束縛態是一個非常局域化的效應，離開缺陷即迅速衰減。 -
Two kinds of deriving to debye ' s density of states in solid state theory
固體理論中德拜態密度的兩種推導 -
Measurement of the density of milk using a hydrometer - percentage of total solids and non - fatty solids in milk corresponding to given fat content and observed density fat content range 2 - 6 per cent with fat in the liquid state
用流體比重計測定奶的密度.奶中總固體和非脂肪固體對應2 - 6 %脂肪含量范圍內給定脂肪含量和觀測密度 -
When molding in dry state, it ' s showed that the density is the main influence factor of the strength, which the mechanics property of pile can be increased by improving the density of pile
樁體採用乾料形態成型，密實度是影響樁體強度的關鍵，改善樁體密實度可以有效提高樁體的力學性質。 -
Self - assembled semiconductor quantum dots are widely used in fabrications of nano - electronic devices, since they have few defects, mature growth technology and electronic state density of 6 function
自組裝半導體量子點由於缺陷少、生長技術成熟和具有函數形式的能態密度等優點而被廣泛用於納米電子器件制備中。 -
If the initial photon state is a fock state, the probability density of the electron exhibits bifurcation and confluence and the corresponding photon distribution is a time - periodic function which result from the energy exchange between the electron and field
Ck態時，隨著時間的演化，電子的兒率密度呈現分叉現象，相應的光子數分佈是時間周期函數，這是由於電子與光場之間有能量交換。在這種情況下，系統是封閉的。 -
As the total negative surface charge of such complexes matches the surrounding charge density of the matrix, the sds - protein complex stops migrating and remains stationary, as typical of steady - state separation techniques
當復合物表面總的負電荷與周圍基質的電荷密度一不能致時，與典型的穩態分離技術相似， sds -蛋白復合物則不再遷移而保持固定。 -
A transition is about to occur, a dimensional shift that will lessen the density of the third dimension so that you will move into higher dimensions in which the body does not have such a solid state
將發生轉變，將減輕第三維度的密度的一個空間轉移以便你們的身體沒有這樣實體的狀態進入更高的維度。
分享友人