atomic ratio 中文意思是什麼

atomic ratio 解釋
原子比
  • atomic : adj. 1. 原子的。2. 極微的。3. 強大的。
  • ratio : n. (pl. ratios)1. 比,比率,比值;比例;系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達;求出…的比值;使…成比例。2. 將(相片)按比例放大或縮小。
  1. A detailed analysis of the electrical properties of ato thin films was carried out in order to investigate the sb / sn atomic ratio and substrate temperature ' s influence on the ato thin film. a convictive explanation brought forward to illustrate the changing of the electrical ; properties of the ato thin film in different conditions

    在溫度較低時( < 500 ) ,薄膜的方塊電阻隨成膜溫度的升高而降低;當基板溫度繼續升高,薄膜的方塊電阻隨基板溫度的升高而增大,這主要是因為玻璃基板中k ~ + 、 na ~ +離子向薄膜中的擴散。
  2. We propose a novel controllable atomic beam - spiller based on the uccc and discuss the splitting mechanism of the guided atomic beam in the beam splitter from two aspects of the magnetic - field distribution and the trace of the guiding centers. the splitting ratio of the beam splitter can be adjusted by adding a homogeneous bias magnetic field along the y - direction, and the relationship between the splitting ratio and the additional bias field is analyzed

    本文提出了一種採用在y方向上加一偏置磁場來實現分束比可控的新穎原子分束器,並從磁場分佈和導引中心軌跡兩個方面,詳細分析和討論了基於u -型載流導體所構建的原子分束器的分束機制。
  3. Those conclusions may be meaningful for us to determine mixture ratio when fabricating composite films with special structures. 2. we study the phase - separation and microstructure of the pure binary and trinary mixed lb and ls films of dimyristoyl phosphatidyicholine ( dmpc ) cholesterol ( chol ) and sphingomylin ( sph ) deposited from pure water subphase by - a isotherms and tapping mode atomic force microscopy

    2 、利用- a等溫曲線和原子力顯微鏡的輕敲模式對從純水亞相上提拉的不同生物分子二肉豆蔻酰磷脂酰膽堿( dmpc ) 、膽固醇( chol . )和神經鞘磷脂( sph )不同種純的、二元及三元混合單分子膜- lb膜和ls膜體系的相分離和微結構進行了研究。
  4. The atomic ratio of zn / se was close to 1 : 1, which showed that the znse epilayers had good stoichiometry

    Znse薄膜中zn se原子比都接近1 : 1 ,制備的znse薄膜具有較好的化學計量比。
  5. Standard test method for the determination of uranium by ignition and the oxygen to uranium atomic ratio of nuclear grade uranium dioxide powders and pellets

    用點火和核級二氧化鈾粉末和顆粒的氧鈾原子比測定鈾的標準試驗方法
  6. The xrf analysis of plct thin films shows that the atomic ratio of plct thin films is closed the ideal chemical mole ratio of plct thin films

    利用xrf分析了plct薄膜的pb 、 la 、 ca 、 ti原子百分比,可以看出其比例接近於設計的化學式摩爾比。
  7. Abstract : based on the principle of non - weighting determination of c 、 h 、 n atomic ratio , a micro - injection sample introducing method was developed for determination of h / c ratio for volatile reagent

    文摘:根據不稱重法測定化合物碳、氫、氮原子比的理論,建立了微量注射法測定強揮發性液體樣品的氫/碳原子比的方法。
  8. The surface elemental analysis shows that al / o atomic ratio change from about 2 / 3 of not wetted part to about 1 / 1 of wetted part. the damage of coating surface seems to be related to the interaction of outside layer with liquid pb - 17li and thermal stress during heating sample

    未浸潤表面的ai / o原子比約為2 / 3 ,浸潤表面約為1 / 1 ,表明液態鉛鋰合金對滲鋁層表面的al2o3薄層造成了損傷。
  9. When sulphurisation time is 30 minutes and sulphurisation temperature change from 180 to 240, the atomic ratio s / sn of the films increases from 0. 72 to 1. 08 and energy gap of the films increases from 1. 44ev to 1. 48ev with the increasing of the sulphurisation temperature

    當硫化時間為30分鐘硫化溫度在240 ~ 310之間變化時,薄膜的s / sn值隨著硫化溫度的升高從1 . 08上升到1 . 96 ,能帶間隙隨著硫化溫度的升高從1 . 01ev上升到1 . 72ev 。
  10. The results are as follows : as the sputtering pressure increases, the atomic ratio of o to ti increase in the films, which is attributed to the fact that the absolute oxygen content increases, as the pressure increases despite the ratio of 62 to ar remains unchangless

    結果發現:在氧氣、氬氣分壓比不變的條件下,薄膜表面o和ti原子比增大,這可能是由於濺射氣壓增大,而氧氣與氬氣比未變,真空室中氧氣的絕對含量增加,參加反應的氧原子數增加的緣故造成的。
  11. When the atomic ratio of nb is one, the structure is homogeneous and almost composed of the single sm2fe17 phase. it ' s nearly the same structure as that after annealing. so it can reduce the production cost and increase the stability of magnetic properties

    當nb的原子比為1時的鑄態組織基本為均勻的接近單相的sm _ 2fe _ ( 17 )組織,已接近於退火后的組織,從而可以避免冗長的均勻化退火化過程而直接用於製造永磁體,極大的降低了生產成本,並能有效的提高磁性能的穩定性。
  12. Surface states and the topmost surface atoms of the batio3 thin films have been analyzed by x - ray photoelectron spectroscopy ( xps ) and angle - resolved x - ray photoelectron spectroscopy ( arxps ). the results show that the as - grown batio3 thin films have an enriched - bao nonstoichiometric surface layer which can be removed by ar + ion sputtering, and the atomic ratio of ba to ti decreases with increasing the depth of ar + ion sputtering

    用x射線光電子能譜技術( xps )和角分辨x射線光電子能譜技術( arxps )研究了薄膜的表面化學態以及最頂層原子種類和分佈狀況,結果顯示在熱處理過程中薄膜表面形成一層富含bao的非計量鈦氧化物層,並且鋇-鈦原子濃度比隨著探測深度的增大而逐漸減小。
  13. A typical model is the atomic barium in which the state 6s 1s0 corresponds to the ground state and the states 6s6p 1p1 and 6s6p 3p1 correspond to the excited states of strong and weak transition, respectively. the decay rates of the excited states are 47khz and 19mhz, respectively, and the ratio of them is 400

    原子ba是一個典型的系統(其中能級6s ~ 1s _ 0為基態, 6s6p ~ 1p _ 1和6s6p ~ 3p _ 1分別是上述強躍遷和弱躍遷的激發能級,兩個躍遷的自發衰減速率分別為47khz和19mhz ,兩者之比為400 ) 。
  14. In section one, we analyze the mechanism of lwi gain, and study the effects of the rabi frequency q of the driving field, the injection rates ratio rb / r ~, the exit rate r0, the decay rates ~ and rab between atomic levels, as well as 3 incoherent pump rate r on the gain without inversion, dispersion and population difference of the system. in section two, we discuss the effects of the detuning of the driving field and the probe field on the gain

    在第一節中分析了無粒子數反轉激光增益產生的機制、研究了驅動場的rabi頻率、粒子注入速率比值r _ b / r _ c 、粒子退出速率r _ o 、能級間的自發衰減速率r _ ( c - b ) 、 r _ ( a - b )和非相干泵浦速率r對增益、色散和粒子數差的影響;第二節討論了驅動場和探測場的失諧對無粒子數反轉激光增益的影響。
  15. By increasing the h2 dilution ratio, it is found that atomic hydrogen can selectively etch amorphous phase and stabilize crystalline phase. from the study on the distance from substrate to catalyzer, choosing a proper distance can ensure the gas fully decomposed, while a relatively low substrate temperature can cause the nanocrystalline particles to lose mobility and keep their sizes. the pre - carbonization process can enhance the nucleation density and make the growth of high quality nanocrystalline p - sic films much easier

    實驗結果表明:隨著工作氣壓的減小,薄膜的晶粒尺寸有所減小;通過提高氫氣稀釋度,利用原子氫在成膜過程中起的刻蝕作用,可以穩定結晶相併去除雜相;選擇適當的熱絲距離能保證反應氣體充分分解,又使襯底具有較高的過冷度,是形成納米薄膜的重要條件;採用分步碳化法可以提高形核密度,有利於獲得高質量的納米- sic薄膜;襯底施加負偏壓可以明顯提高襯底表面的基團的活性,因負偏壓產生的離子轟擊還能造成高的表面缺陷密度,形成更多的形核位置。
  16. In chapter 2, we analyzed the effect of the driving field phase fluctuation on the gain and dispersion and population differences in an open v - type three - level non - inversion lasing system and then discussed the effects of the incoherent pumping rate, the ratio of the atomic injection rates, the atomic exit rate, the rabi frequency of the probe and driving fields and their corresponding detuning on the gain, dispersion and population differences of the system, and got some important conclusions different from those in closed or other open systems

    第二章討論了驅動場的相位漲落對開放的v型三能級無反轉激光系統的影響,根據解析解的數值計算結果討論了非相干泵浦速率、粒子注入速率之比、粒子退出速率、探測場和驅動場的rabi頻率和相應失諧對系統增益、色散和粒子數差的影響,得到了一些不同於封閉的v型系統及其他開放的無反轉激光系統的重要結論。
  17. In chapter 3, we studied the effect of gaussian transverse profile for the driving and laser fields on lasing without population inversion ( lwi ) in a closed v - type system and an open v - type system. moreover, we discussed also the effect of the unsaturated gain coefficient, the cavity - damping rate, the ratio of the atomic injection rates and atomic exit rate on the corresponding systems. in chapter 4, we mainly discussed the effect of doppler broadening on the gain, dispersion and the frequency up - conversion of the open v - type lwi system and compared the differences and the same between the open system and the corresponding closed system

    發現: ( 1 )在考慮doppler展寬的情況下,通過選取合適的實驗室條件(比如合適的原子環境溫度等)可得到合適doppler展寬值,從而使系統獲得最佳增益; ( 2 )要想實現系統的頻率上轉換,同時又要獲得足夠強的無反轉激光增益,則系統頻率轉換比不能選取的太大; ( 3 )對于開放系統,比較小的粒子注入速率比與退出速率對產生無反轉激光是有利碩士學位論文摘要的: ( 4 )由於dopp1oy展寬的存在,當探測場與驅動場的傳播方向相反時,增益在探測場失諧的某一段區域產生振蕩,且振蕩的振幅、頻率失諧范圍的大小與dopper展寬的取值有關。
  18. The test results show that : 1. under giving conditions, two explosives with the same atomic number ratio have similar combustion performances, 2. the pressed charge and the powder charge shows observably different combustion characteristics, 3. within 211. 7 m - 635. 0 m, decreasing the grain size may enhance combustion velocity

    通過對測試結果的分析表明,在特定條件下具有相同原子組成比例的炸藥,其燃燒性能相近;同種炸藥的藥柱和藥粉燃燒性能差異較大;在211 . 7 635 . 0 m范圍內, hmx 、 rdx顆粒越細,燃燒越快。
  19. Methods of sampling and test for carbonaceous materials used in aluminium manufacture - electrode pitch - determination of the atomic c h ratio of the quinoline - insoluble material - section 1. 11 determination of the atomic c h ratio of the quinoline - insoluble material

    制鋁工業用碳素材料的取樣與試驗方法.電極用瀝青.喹啉不溶物中c h原子比的測定
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