有效質量比 的英文怎麼說

中文拼音 [yǒuxiàozhíliángbǐ]
有效質量比 英文
effective mass ratio
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 有效 : effective; valid; efficacious
  • 量比 : fnc
  1. After analyzing purple soil sampled from neijiang, leshan ofsichuan provinec and yuanmou of yunnan province, the contrast results of microbe quantity feature between surface and subsurface purple soil were obtained as follows. the content of soil organic matter, total and available nitrogen, phosphorous and potassium of surface was higher than subsurface, not relating to the type of purple soil and soil utilization way. the quantity of microbe _ bacteria, actinomyces and mould in surface purple soil was higher than subsurface, which indicated that the organic matter and airy condition in surface soil was more suitable for microbes growing. there was the same tendency in profile change of microbe quantity in purple soil located in temperate _ humid climate of sichuan basin in contrast with dry _ hot climate of yuanmou, yunnan. the nutrient situation of purple soil in sichuan basin shown that state of surface was better than subsurface, while in yuanmou of yunnan the state was on the contrary due to the degradation of surface soil

    實驗室對四川內江、樂山和雲南元謀不同類型紫色土表層和亞表層微生物數量特性的比較分析表明：土壤有機質、氮磷鉀全量及其速效量均表現為表層高於亞表層，與紫色土類型和利用方式無關；三大類土壤微生物細菌、放線菌和黴菌數量均表現出表層高於亞表層，表明紫色土表層的有機質和通氣性優于亞表層，適宜於這三大類微生物生長；溫濕氣候條件下的四川盆地和乾熱氣候條件下的雲南元謀其紫色土微生物數量的剖面變化具有相同的趨勢，唯土壤營養狀況在四川盆地紫色土中表現為表層優于亞表層，而在雲南元謀紫色土中由於表層土壤的退化作用表現為亞表層優于表層的相反情況。
  2. In recent years at iron - making plant of pangang, the coke ratio of pig iron has reduced evidently by insisting on “ burden preparation ” course, improving quality of sinter, raising wind temperature, increasing rich oxygen quantity and injecting abundant pulverized coal into bf. the solid fuel consumption of sinter has been decreased greatly through insisting on using high - quality calces, practising high feed sintering, actualizing many techniques in solving key problems. at the same time, the energy source base management has been strengthened, and energy - saving work has made great progress, profits generated by energy - saving have exceeded a hundred million yuan

    近年煉鐵廠通過堅持「精料」方針，改善燒結礦質量，提高風溫，增大富氧，實施大噴煤，使入爐焦比有明顯下降；燒結堅持用好生石灰，推行厚料層燒結，實施多項技術攻關，固體燃耗大幅度下降；同時加強能源基礎管理，節能工作取得長足進步，節能創效益1億元以上。
  3. Quality polymer sealants are noted for their ability to offer longer lasting protection than traditional carnauba - based waxes, but in recent years, there have been many inferior formulations marketed at extremely high prices giving consumers the impression they are superior, thus justifying the exorbitant price

    它的長效持久性比傳統的棕櫚蠟效果要好，但是在近年來，有很多質量很差的配方也打著很高的價格在欺騙消費者。
  4. Electroosmosis technology can solve the problem of high water cement ratio during construction and low water cement ratio during solidification effectively so that have expansive application prospect

    結論電滲濾水混凝土技術能有效地解決混凝土的大水灰質量比施工、小水灰質量比固化的矛盾，有重要學術價值和廣闊的應用前景。
  5. Comparing with the method of equal differential increment rate, dcpm - fga has better optimization quality. the agc software of hydropower station based on dcpm - fga can reduce water consume, and enhance the economic performance of hydropower stations

    實例計算結果表明，與等微增率方法相比，基於dcpm - fga的水電站agc具有更好的優化品質，能有效降低水量損耗，提高電站的經濟效益。
  6. Gathering fuzzy technique and model - identifying technique to processing research, fuzzy model - identifying technique, a intersecting science, has been come out, which has become hoto in this thesis, based on deeply researching the fuzzy unit - identifying and complete analysis on data of measuring well of the chandqing wushenqi district, the method of constructing self - adapting multi - dimension non - liner subjection degree function has been created without precedento based on the extraction of routine measuring well character parameters, and for adopting self - adapting method to carry through character compression, the model has been improved the performance and enhanced the convergence speed and sorted precision of the algorithm o the relation of measuring well information and the oiliness & gassiness of sandstones is fuzzy ? in the thesis, the law of max subjection degree has been studied and improved, and proved preferable effect in the practical application

    論文在提取一些常規測井特徵參數的基礎上，採用自適應方法對各變量多項式進行優選，減少了特徵參數間的相關性，突出了類別間的差異性，從而優化了模式的質量，提高了分類的精度。測井信息和砂體的儲集性之間的關系是帶有模糊性的，論文對模糊「最大隸屬原則」進行了研究和改進，並在實際應用中取得了較好的效果。論文成功研製了「自適應」的演算法和軟體? ?即通過對正確回判率的比較，然後對參數進行調節的辦法，可將模式「訓練」到最佳狀態。
  7. Compared with the mud on wall form hole technology, clash stake technology or vibration sink pipe technology used in complex foundation stake forming, it has advantages of no vibration, no pollution, and no noise. in addition, since the concrete pressed into the drill stem sent vibration free concrete to the pump, so it is eas y to ensure the quality of the stake body. compared with the mud on wall and dry work form hole technology, the side obstruction and end obstruction of screw drill press concrete stake have all been accordingly improved, the weight bearing is better, and the transmutation of the complex foundation is less

    其中，螺旋鉆孔壓灌混凝土成樁技術自研製以來，已在多項復合地基工程中進行了應用，較好地解決了軟弱地層成孔困難的問題，適應地質條件范圍廣，成樁速度較快，工期短、工效高；與復合地基成樁時的泥漿護壁成孔工藝、振沖樁工藝或振動沉管工藝施工比較，具有無振動、無污染、無噪音的優點；另外，壓入鉆桿內的混凝土為泵送免振混凝土，因此樁體質量易於保證；與泥漿護壁和干作業成孔工藝相比，螺旋鉆孔壓灌混凝土成樁的側阻和端阻都有相應的提高，樁的承載性能較好，復合地基的變形較小。
  8. Some conclusions are drawn : 1 ) effect of inertial force from superstructures on the lateral seismic response of single pile can not be ignored ; 2 ) the lateral seismic response of single pile induced by far - field earthquake are mainly affected by acceleration mass of superstructure > site eigenperiod. it increases with the increment of accele ration and mass of superstructure. as the site characteristic frequency approaches the self - oscillation frequency of the pile, sympathetic vibration occurs and the value of lateral seismic response reaches maximum ; 3 ) as the stiffness ratio of pile to soil increase, the relative displacement of pile to soil increases ; 4 ) the lateral seismic response of fixed - head pile is much smaller than that of free - head pile

    將其解析解與具體的的抗震設防烈度和場地特徵周期結合起來，計算分析了成層地基中單樁的橫向地震響應，得到了以下結論： 1 ）上部結構慣性力對樁的橫向地震響應的影響不可忽略； 2 ）成層地基中的單樁的橫向地震響應主要受地震基本加速度、場地特徵周期、上部結構質量的影響，隨地震基本加速度、上部結構質量的增大而增大；場地特徵頻率越接近樁基自振頻率，樁基地震響應越大，等於自振頻率時，由於發生共振現象，樁基響應幅值最大； 3 ）樁土剛度比越大，樁土之間的相對位移的幅值越大； 4 ）樁頂固接的連接方式，可以有效地降低地震時單樁的橫向地震響應。
  9. Conclusion volatile oil, acid - insoluble ash, water and synephrine with a definite content limit can be chosen as the parameters for the research of quality standard of frutus aurantii immaturus, which will supply evidence for the medicinal trade and research of frutus aurantii immaturus

    結論與現行藥典標準中枳實項相比，本研究新增了酸不溶性灰分、水分、揮發油和辛弗林含量項，可更有效地評價枳實藥材的質量，為枳實藥材的商品流通和研究開發提供依據。
  10. Using the dynamic mechanical analyzer ( dma ), pdms / pma ipn was investigated at temperature of 5 - 180 c. the initiator, the component ratio, the type of pdms and the filler effected the damping properties. the result showed that the damping ability varied with the parameter and there was an optimal value. the excellent damping material in the papers was ipn, where tan man was 0. 735, and the damping functional temperature ranged with tan 8 > 0. 3 was 46 c. the micro - morphology and structure of pdms / pma ipn were characterized by two kinds of sem

    高分子阻尼材料的有效阻尼功能區是在ipn材料的t _ g區間內，而研究常溫條件下的阻尼性能更具有重要應用價值，運用動態熱機械分析（ dma ）儀對ipn阻尼材料進行表徵，在5 180內對其損耗因子（ tan ）進行研究，發現引發劑和交聯劑的用量、聚硅氧烷的用量和分子量等參數對ipn阻尼性能的影響較大，存在一個合理配比值，當pma與粘度為3300pa ? s的pdms之比（質量比）為1 . 17 ： 1 、交聯劑用量為1時， tan最大值為0 . 735 ，大於0 . 3的溫域差達到46 。
  11. Ftir, thermal conductivity device and smart digital rounding temperature testing device are used to test the infrared absorption spectrum, thermal conductivity and temperature changes of the title coatings, it is concluded that when hudrotalcite and magnesium sulfate is mixed by 4 to 10, the heat insulation property is the best, and the temperature changes of nizi increased by 5 approximately compared with those without hydrotalcite and magnesium sulfate compound system, but the heat conduction coefficient is hardly increased because of the different mechanism of heat insulation of the fillers, which further prove that heat insulation with fillers is based on infrared barrier

    本文使用傅里葉變換紅外光譜儀、導熱系數儀和智能數字式巡迴檢測溫度測試儀分別測試了添加具有紅外阻隔能力填料的內墻塗料的紅外吸收光譜、導熱系數和溫度變化情況，通過測試結果得出結論：水滑石和硫酸鎂在質量比為4 : 10的時候，紅外阻隔性能最優，其溫差變化較沒有添加水滑石硫酸鎂復合體系時提高5左右，而對內墻塗料的導熱系數幾乎沒有影響，這是由於填料對塗料的保溫機理不同所致，同時也進一步驗證了填料是通過紅外阻隔來達到保溫效果的。
  12. The result of experiment has shown that this method can analysis belter prinled - quality document with satisfactory segmentation

    實驗結果表明，該方法對印刷質量比較好的中文版面具有較理想的分割效果。
  13. Cu2 +. cr3 + were selected with different weight ratio doping in tio2 to study the photocatalyst modifying in this paper. the experiments of degradation methylene blue showed that the doping results were quantitatively correlated with the transition metal ion radii. their electronic configuration

    對次甲基藍的降解實驗表明摻雜離子的修飾效果與過渡金屬離子的離子半徑、外圍電子構型、氧化還原電位和離子濃度等因素有關，質量比為0 . 5的fe ~ （ 3 + ）摻雜對次甲基藍的降解效率最高。
  14. The redox of v ( ) / v ( ), v ( ) / v ( ) couple on the graphite displayed one electron quasi - reversibility. it is proved that trace in3 +, sb3 + can inhibit cathodic hydrogen evolution during the charge process by increasing the hydro - gen overvoltage in addition that sb3 + is a stabilizing / kinetic enhancing ion. during the charge / discharge process, cross - mix and self - discharge rarely happened. the maximal energy density of the lab - level vanadium battery is 21 wh / kg. the capacity efficiency of the lab - level vanadium battery is as high as 94. 7 %

    釩電池充電末期，會發生水的電解反應，痕量銦離子的加入提高了析氫過電位，抑制了充電過程中負極氫氣的析出；銻離子的加入不僅可以抑制氫氣的析出，還提高了正極反應速率，增強了正極表面的穩定性。實驗中得到的最高質量比能量為21wh / kg ，充放電過程中僅有極少的交叉混合和自放電發生，自製釩電池的容量效率可高達94 . 7 %
  15. Based on the effective mass theory and critical state model, an anisotropic theory of critical current and ac losses for single hts tape and tape stacks were established. analytical formulae were presented to calculate critical currents and ac losses with an arbitrary angle between the wide side of hts tape and the direction of ac or dc applied fields. from the anisotropic theory of ac losses of hts sample, a numerical model to calculate ac losses of hts coil was developed

    基於臨界態模型與高溫超導體的有效質量理論，建立了高溫超導帶材及並聯堆疊帶材的交流損耗與臨界電流的各向異性理論模型；給出了高溫超導帶材的交流損耗及臨界電流隨（交、直流）背景磁場與超導帶面夾角變化規律的理論公式；依據所建立的高溫超導短樣帶材的各向異性理論公式，給出了高溫超導線圈交流損耗的數值計算模型；並利用該模型，計算了高溫超導雙餅線圈的交流損耗；並與實驗測量結果進行了比較分析。
  16. Again, the electronic effective masses at bottom of lowest - lying conduction band of narrow - gap semiconductor zigzag tubes are inversely proportional to square of their tube - diameters. as for chiral tubes, the electronic effective masses at bottom of lowest - lying conduction band contact with their tube - diameters and chiralities

    此外，鋸齒型窄隙半導體管導帶底的電子有效質量與其管徑的平方成反比關系；對于螺旋型管，其導帶底的電子有效質量不僅與管徑相關，而且與螺旋度也相關聯。
  17. The effective stiffness are compared with the ones by nozaki for n = 4. numerical results show that the nature of the imperfect interface has significant effect on stiffness of a convex polygon - shaped fibers composites

    並以正四邊形纖維橫截面作為算例，將所得有效模量與nozaki結果比較，數值結果表明界面的非完美性質對凸多邊形纖維增強復合材料的有效性能有明顯影響。
  18. We discuss the qcse of the impurity in the finite square qwws considering impurity position, and raise a point of the qcse under the influence of the masses mismatch and the aspect ratio of the quantum well wires. without considersion of the mismatch of the effective masses between the well and barrier, we obtain the conclusion as follows : ( l ) the first band energy of the electron is decreased under the electric field

    在前人工作的基礎上，我們在有效質量近似下討論了外加電場下有限深方形gaas ga _ （ 0 . 63 ） al _ （ 0 . 37 ） as量子阱線的雜質態和雜質的stark能移，並把我們的結果與前人的結果進行了比較。
  19. Based on summarizing the actual research status, developing prospects, and the characteristic of different ways in preparation for silicon based composite, three ways were chosen, which was pyrolysis for si - phenolic resin prolyzed carbon material, using different catalyzer to prepare for si - o network coated silicon and carbon complex composite, easily chemical and deoxidizing reaction for super tiny metals mixed silicon and carbon complescomposite

    通過高溫熱解法制備了硅-酚醛樹脂（ pf ， phenolicresin ）熱解碳材料。在700的條件下制備了硅-酚醛樹脂熱解碳材料，發現si和熱解碳的質量比為3 : 7時材料具有最優異的性能，首次脫嵌容量為394 . 7mah ? g ~ （ - 1 ） ，充放電效率為50 % 。
  20. The shifts of absorption edge of nanocrystsls compared with that of bulk have been calculated by means of effect - mass approximation model. the calculation and experimental results looked almost same

    用有效質量近似模型（ ema ）計算了半導體納米晶體的吸收邊相對體材料的移動，並將理論結果和實驗結果進行了比較，兩者相符較好。
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