離子空位 的英文怎麼說
中文拼音 [lízikōngwèi]
離子空位
英文
ion vacancy- 離 : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 空 : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
- 位 : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
- 離子 : [物理學] ion
- 空位 : 1 (空著的位子) a vacant or unoccupied seat; void; vacancy 2 [固體物理] [物理學] [半] vacancy; b...
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The mechanical environment is described in the paper and then the environments in three different orbits are proposed, called leo ( low earth orbits ), meo ( medium earth orbit ) and geo ( geosynchronous earth orbits ). the influence produced by the atomic oxygen, micrometeorites and debris, ionizing radiation and cold welding under vacuum is presented in the paper. some principles are proposed, which can be as the method to choose materials of the mechanism in space environment
空間環境中力學環境對可動結構的影響直接關繫到機構的設計問題,所以本文第四章中嶽建如:中文摘要浙江大學博士學位論文20024首先詳細論述了空間環境中的力學環境,然後給出了空間環境的三種軌道環境劃分,及每一種環境影響因素對空間可動結構設計的影響,包括原子氧、離子射線、溫度、微隕石和碎片以及真空冷焊現象等環境因素,提出了材料選擇的原則,為可動結構材料選擇提供了一定的依據。Though zn 2 + and co 2 + are divalent ions, they probably can not substitute ca2 + from the active center of tcs, or can substitute ca2 + but does not change the structure of tcs. there is no significant change observed for the fluorescence intensity of tcs
『 「是二價金屬離子,但這兩種離子與天花粉蛋白作用時可能並沒有取代天花粉蛋白活性部位的ca 『 」 ,或部分取代但並沒有改變天花粉蛋白分子的空間結構,以致天花粉蛋白的熒光強度無明顯變化。( 5 ) glassy oxide film of samples processed by mevva al / piid si covered the surface of sic coating thickly and uniformly, and left few holes as a result of a good ability of sealing, which made weight loss of sic - c / sic smaller in air at1300
( 5 ) mevva源注入al再piid (等離子源全方位沉積) si塗層,玻璃氧化層厚而均勻,愈合性能好,孔洞少,對塗層缺陷有最佳的改性效果。復合材料在1300空氣中的氧化失重顯著降低,甚至出現增重。The former was related to mn doping, both of p - carries supplied by la3 + or oxygen hole and n - carries induced by changing mn4 + into mn3 + can be locally displaced and simultaneously response with external electric field., furthermore due to the overlaps between positive and negative carries. the latter was due to the phase transformation between orthorhombic and cubic, which was in fact the curie point
前者為la ~ ( 3 + )和氧空位等產生的p型載流子和mn離子變價引入的n型載流子在外電場下發生局域重排產生的載流子極化,且由於正負載流子的迭加效應所致,該介電峰與mn離子的摻入相關;後者為體系出現相應的正交與立方結構的轉變所致,也即居里點。In manganite perovskites, substitution of divalent ions ( alkaline earth metals viz. ca, sr, ba ) in the a sublattice, introduces mn4 + ions or holes into the system. it is generally considered that the concentration of holes is equal to the concentration of divalent cations because of the charge compensation by controlled valencies
在類鈣鈦礦型晶體結構中通過摻入二價堿土金屬(如ca , sr , ba )可以在系統中產生mn ~ ( 4 + )或氧空位,由價格補償的原理,理論上摻入的二價離子的濃度和氧空位的濃度相等。A crystal defect caused by the absence of an atom, an ion, or a molecule in a crystal lattice
晶格空位在晶格里由於缺少一個原子、一個離子或一個分子造成晶格空位Ca, sr, ba ) in the a sublattice, introduces mn4 + ions or holes into the system. it is generally considered that the concentration of holes is equal to the concentration of divalent cations because of the charge compensation by controlled valencies. a number of publications exist in the literature on the synthesis of manganite perovskites
在類鈣鈦礦型晶體結構中通過摻入二價堿土金屬(如ca , sr , ba )可以在系統中產生mn ~ ( 4 + )或氧空位,由價位補償的原理,理論上摻入的二價離子的濃度和氧空位的濃度相等。This paper studies the application of inductively coupled plasma ( icp ) technology to the etching compound semiconductor insb - in film. by means of single probe and double probe, the ion density and electron temperature of chamber ( 30mm and 50mm in height respectively ) under varied process condition were diagnosed. the spatial distribution of the axial position of the two parameters and the varied curve that the two parameters varies with the power and air pressure are obtained
利用單探針和雙探針診斷30mm高反應室和50mm高反應室在各種工藝條件下的離子密度和電子溫度,得到這兩個參數在反應室軸向位置的空間分佈、隨功率和氣壓的變化曲線、頂蓋接地和反應室體積對它們的影響,結果表明離子密度為10 ~ 8 10 ~ ( 10 ) cm ~ ( - 3 ) ,電子溫度在4 10ev之間;當頂蓋接地時,該處的等離子體密度明顯大於不接地;在同樣條件下, 50mm高反應室內的離子密度明顯大於30mm高反應室。On the other hand, oxygen plasma treatment makes ito film oxidized further, which decreases the number of oxygen vacancy and sn ~ ( 4 + )
另一方面,氧等離子體處理使ito薄膜表面的富sn氧化物進一步氧化,形成穩定的sno ,減少了ito薄膜表面的氧空位和sn ~ ( 4 + )數量,使其功函數增大。Results showed : ( 1 ) cbt cell death in low tempratures is accompanied by characteristic changes, such as, reduced cell size, distorted nucleus, chromatin condensation and margination and cell ( cytoplasmic ) vacuolization ; cell mortality and ca2 * concentration increase along with time passed in low temperature. mitochondrial membrane potential and 02 increased at first, and then decreased. activities of sod decreased at first, followed by significant increasing and finally depressed
結果表明: ( 1 ) cbt在低溫協迫下,細胞圓縮,細胞核變形,染色質濃縮且邊位,細胞質空泡狀;細胞死亡率隨處理時間的增加而增加;細胞內鈣離子濃度隨處理時間延長而遞增;線粒體膜電位差在低溫處理早期急速上升,隨后一直下降;細胞內超氧陰離子( o _ 2 ~ - )在低溫處理前期出現高峰,接著呈下降趨勢;細胞內sod活性在低溫處理前期減弱,接著上升,然後持續下降。In this work, un - doped and nano sic doped mgb2 / fe tapes and wires were fabricated by the powder in tube ( pit ) technique, and the short samples were synthesized through two different routes of the traditional vacuum sintering and the sparking plasma sintering ( sps ). the sintering parameters were optimized in both sintering methods
本文採用粉末套管法( powderintube )原位( in - situ )制備了非摻雜和納米sic摻雜的mgb2 / fe超導線帶材,分別採用常規真空燒結和放電等離子燒結( sps )兩種方式合成mgb2超導相,優化了燒結工藝參數。The isospin effect and k production in intermediate and high energy heavy ion collisions ( hics ) are hot topics in the nuclear physics. based on the isospin - dependent quantum molecular dyanmics ( iqmd ) model and self - consistent relativistic boltzmann - uehling - uhlenbeck ( rbuu ) model, we have studied them and obtained some interesting results. as for the study of isospin in intermediate energy hics, we ' ve investigated how both stength ( q ) and density dependence of symmetry potential ( sp ) affect many measurable observables, such as the yield, phase - space, and isospin distributions of fragments, as well as the correlations between intermediate - mass - fragment ( imf ) multiplicity n and charged - particle multiplicity n, light - charged - particle ( lcp ) multiplicity n, and neutron multiplicity n,
在中能重離子碰撞的同位旋研究方面,分別研究了對稱勢的強度( c _ s )和其密度依賴形式對中能重離子核反應各類碎片產物產額、相空間、及其同位旋的分佈,中等質量碎片多重數( n _ ( imf ) )與帶電粒子多重數( n _ c ) 、輕帶電粒子多重數( n _ k ) 、中子多重數( n _ n )的關聯等多種實驗觀測量的影響,以獲取對稱勢中該兩方面的信息,尤其著重於研究如何分別獲取有關該兩方面的信息的途徑。Plasma characteristics of a rf ion source are investigated by emission spectroscopy. the spatiotemporal spectral line intensities of the first three atomic lines in hydrogen bahner series ( = 656. 28, 486. 13, 434. 05nm ) of rf ion source plasma, are measured with calibrated optical multichannel analyzer ( oma ). some plasma parameters, including electron temperature, hydrogen atom density and hydrogen ion density, are calculated and analyzed using partial local thermodynamic equilibrium ( plte ) theory and abel transform
實驗採用絕對定標后的光學多道分析系統( oma )測定了離子源等離子體不同時間和空間位置的氫原子巴耳末譜線系中前三條譜線( = 656 . 28 , 486 . 13 , 434 . 05nm )的強度,並採用plte的理論和abel變換方法,計算出了高頻離子源等離子體的電子溫度、氫原子濃度、氫離子濃度等參數在放電的不同階段和徑向分佈情況,並進行了簡要分析。It neutralizes static charge on the tergeted object via it ' s special conduits. it is easy to operate and install. nopower supply is needed. it can de applied in printing or leather, paper manufacturing. it is durable used
利用極細導電性金屬纖維與帶電體接近,雙方有極大不等的電位差,促使帶電體附近空氣離子化而使璉電體之靜電中和消除,無加裝電源。This method constructs covariance matrix by utilizing data vectors in different range lines and projects phase error vector into noise sub - space which is formed by eigendecomposing the covariance matrix
該方法利用不同距離單元的觀測矢量構造協方差矩陣,然後通過對協方差矩陣特徵分解得到噪聲子空間,最後將相位誤差矢量向噪聲子空間投影來估計多普勒調頻率。The optimized experimental conditions are determined and the densities of some elements in the mental alloy standard samples are measured. the experimental results shows that the spectral intensity of the plasma enhances significantly with the increase of the operating voltage and the power density. ( 1 ) to the steel ally sample, the emission intensities of the spectra reach to the maximum values when the laser operating voltage is 1600v and the argon pressure is 600 torr. under the same pressure, the spectral intensity of the plasma in the argon atmosphere is stronger than that in the air. when the argon pressure is 320 to rr, the signal - noise ration is about 5 times than that which the argon pressure is 700 torr, but the temperature of plasma is less about 1000k
( 1 )對于光譜標鋼準樣品,當激光器工作電壓為1600v 、氬氣壓力為600乇時,譜線強度達到最大,並且在相同壓強下,氬氣中的等離子體與空氣中的等離子體相比,其輻射強度明顯增強;氬氣壓力為320乇時的譜線信背比約為600乇條件下的5倍,而等離子體溫度卻下降了近1000k ,即等離子體溫度隨環境氣壓的增大而增大;當激光束的焦斑在樣品表面上下移動時,激光誘導量、等離子體的激發溫度、譜線強度都呈不對稱性分佈,其最大值對應的焦斑位置都位於樣品表面之下0 . 4mm左右。The uv - visible absorption spectrum showed the as - prepared aam templates were transparent within visible light, and the pl curve showed the as - prepared aam templates had a blue pl band in wavelength range of 400nm ~ 60qnm which originated from singly ionized oxygen vacancies
從光致發光特性曲線發現,納米孔陣列aam在400一600nm之間有一個藍色發光帶,該發光帶來源於單離子氧空位。And he does not hesitate sometimes, when he has a bad, wide - open shot, like the one he took from two steps behind the three - point line
但是… …有時當他沒有很好的空位時,他反而表現的很堅決,他在離三分線還差兩步之遙投中的那記超遠距離三分就是一個很好的例子。In the system, more hole deficiency was supplied by excessive la ions. this increased the concentrations of p - carries, and decreased the bound of crystal lattice field to the carries on the other hand. as a result, the dielectric peak move to lower temperature due to the carries
發現了過量的la離子在體系中引入了較多的空位,一方面p型載流子濃度升高,另一方面使得載流子所受的品格場束縛減小,引起了由載流子導致的介電峰相對于同樣mn含量但la離子不過量的體系而言向低溫方向偏移。The quasi - chemical equilibrium for cdte and znte were inspected independently while the influences of the integration crystal lattice were taken into consideration by the united concentration of vacancies, anti - sites, and the cation interstitials
將( cd , zn ) te視為替代型晶格點陣,獨立地考察其中cdte和znte的偽化學平衡。同時,通過統一的空位、反位原子及陰離子間隙原子濃度來反映整體晶格環境的影響。分享友人