數量級數 的英文怎麼說

中文拼音 [shǔliángjíshǔ]
數量級數 英文
quantitative series
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 級 : Ⅰ名詞1 （等級） level; rank; grade 2 （年級） any of the yearly divisions of a school course; gra...
  • 數量 : quantity; quantum; amount; magnitude; number
  • 級數 : [數學] progression; series; number of stages; number of steps; stage number級數變換 transformatio...
  1. Antimicrobial effect of the bacteriocin produced by r21 - 4 is studied in the food systems. the results show that the conspicuous antimicrobial effect in the preservation of fresh milk. the samples were stored under 37 and the bacteria concentration in the sample with bacteriocin was 3 - 5 order less than the sample without bacteriocin

    考察了r21 - 4產生的細菌素用有機溶劑萃取制備的方法及其在食品中的防腐效果，結果表明，細菌素在消毒鮮牛奶的保藏中具有明顯的防腐效果，樣品添加細菌素在37保存24h - 48h后與對照相比細菌總數相差3 - 5個數量級，防腐效果顯著。
  2. The cdte films doped te are deposited onto glass substrate by close spaced sublimation. the x - ray diffraction data indicate the pure cdte films are polycrystalline zinc - blende structure with grain orientation predominantly along ( 111 ) direction. the electrical properties of cdte films are investigated by hall effect measurement using the van der pauw method

    X射線衍射分析表明，純cdte薄膜是立方閃鋅礦結構， （ 111 ）晶面取向生長； hall效應實驗測量發現薄膜電阻很高，呈p型電導，面電阻率數量級達1010
  3. Cartographer is a simple, efficient object relational mapper engine. it provides rapid access to relational data using lightweight data and factory java objects

    這是個簡單、有效的對象-關系映射工具。它使用輕量級數據和工廠對象實現對關系數據的快速訪問。
  4. With the developing trend of large size and large capacity, the turbine ' s natural frequencies are decrescent, maybe reaching the input forces " order of magnitude. so, it is becoming more and more important to analyze the stability of a turbine

    隨著水輪機組朝著大尺寸、大容量的方向發展，其自身的固有頻率也隨之降低，與干擾激振力的頻率屬于同一數量級，因此，水輪機組運行的穩定性就變成更為重要的問題。
  5. The expression ratios reported are the average from the two separate experiments. ( 1 ) huvecs exposed to fluid shear stress ( 4. 20 dyne / cm2 ) for 1 h, 2 h, 3 h, 4 h, 5 h, 6 h, 7 h, 8 h, 9 h, 10 h, or 12 h, respectively

    735x10 』拷貝，與3h時的表達量處在同一個數量級；在7dh之間h七inrna的表達量相對穩定，但和4 ? 6h之間n
  6. ( 4 ) huvecs exposed to low fluid shear stress ( 4. 20 dyne / cm " ) for 2 h and incubated by 17 p - estradiol ( 10 - 7 m ) + low shear stress ( 4. 20 dyne / cm2, 2 h ). normal static cultured huvecs were selected as a control

    929x10 』拷貝之間，和44h之間neinrna的表達量相比又下降了一個數量級；未用切應力處理的內皮細胞沒有il七基因的表達，基線值分別為8
  7. Our results indicated that ree concentrations of groundwater within the granitoid weathering crust in baisha area are high relative to many groundwater samples within granite weathering crust worldwide

    研究結果表明，白沙地區花崗巖風化殼地下水的稀土含量偏高，最高達到114 g / l ，比世界其他地區高1 - 2個數量級。
  8. When auxiliary heaters are turned on the chamber pressure may rise by an order of magnitude or more.

    當輔助加熱器接近燃燒室工作時，壓強就可能上升一個數量級或更多。
  9. Even if the pressure gradient is partly balanced by the fluid acceleration, its order of magnitude is usually no larger than the hydrostatic gradient.

    即使壓強梯度部分地被流體加速度平衡，其數量級通常也不大於靜壓梯度。
  10. ( 2 ) the emission spectra of laser ablation metal copper plasma were measured. the detailed mechanism of plume emission of cu plasma was qualitatively explained using a simple model based on excitation of atom and ion in plume arising from inelastic collision between the elemental species and electron with high kinetic energy. under the local thermal equilibrium model, the electronic temperature of copper plasma was deduced to be in the 104 scale by its emission lines

    （ 2 ） cu等離子體光譜：在420 570nm波長范圍內觀測了激光燒蝕cu等離子體的光譜和各發射譜線在等離子體中的空間分佈；比較了激光能量對cu等離子體發射光譜、電子溫度的影響；用局部熱力學平衡（ lte ）近似，測得cu等離子體的電子溫度為104k數量級；在不同背景氣壓下，觀測了激光燒蝕cu等離子體光譜的空間分佈。
  11. It is irregularities of this order which must be considered as seismic "roughness".

    這個數量級的不平整程度可以認為是地震的「粗糙度。」
  12. When the frequency of signal is below to kilohertz quantitatively, the preactical test results of this system indicated that it is efficiency in signal process of biomedicine, automatic control, and audio etc. the purpose of design has been realized by the system ultimately

    實際測試結果表明，該系統對于處理khz數量級以內的生物醫學信號、自動化控制信號以及音頻信號的效果基本達到了預期的設計要求。
  13. Inorganic nanoparticle is a particle with smaller characteristic latitudinal dimension than 1 00nm, being a substance between macroscopic solid and sub - stable immediate of molecule

    無機納米粒子是特徵緯度尺寸在納米數量級的粒子，是一種介於宏觀固體和分子的亞穩中間態物質。
  14. Also showed an order of magnitude speedup for trove

    的比較測試也表明trove的速度要快一個數量級。
  15. This experiment focuses on the characteristic of green refrigerant r600a in a small parallel flow aluminum closed two - phase thermosiphon and measures all the quantity of injected mass and heat dissipation, the speed of air and the difference of temperature of the electronic element ( cpu simulate chip ) surface and environment

    處理速度達到g數量級，功率消耗更達幾十瓦。如何解決cpu散熱問題，成為關注的焦點。本實驗首次研究了綠色環保工質r600a在一種鋁質重力熱管中的工作特性。
  16. In troposcatter transmission it turns out that m is of the order of 100 to 1000

    在對流層散射通信中，已證明m是在100到1000的數量級
  17. In troposcatter transmission it turns out that m is of the order of magnitude of 100 to 1000

    在對流層散射通訊中已證明m在100到1000的數量級。
  18. At this pressure it is found that the mean free path for electrons of a few volts energy is of the order of 1cm.

    在這個壓強下，我們發現能量為幾伏特的電子的平均自由程的數量級為1cm。
  19. In geochemical analysis we encounter ranges of analyte concentration that can span several orders of magnitude.

    在地球化學分析中，我們常常會遇到擬分析元素含量范圍可以跨越好幾個數量級的情況。
  20. A reliability experiment of thermal aging was carried out for the two types of joints, scanning electron microscopy, energy dispersive x - ray spectrometer and micro x - ray diffractomer were adopted to investigate the interfacial evolution behavior of joints, and kinetics model of imc formation was established. the results show that imc growth follows the parabolic law as a function of aging time at certain aging temperature, imc growth is more sensitive to the aging temperature than the aging time, the activation energy of cu - al imc growth is 97. 1kj / mol and the major forming cu - al imc are cual2 and cu9al4, the activation energy of au - al imc growth is 40. 1kj / mol and the main au - al imc are au4al and au5al2, with au2al and aual at the interfacial periphery of joints, the rate of cu - al imc growth is about 1000 times slower than that of au - al imc, and kirkendall voids and cracks are easily appeared during thermal aging in gold ball bonds while voids and cracks are absent in copper ball bonds even after aging at 200 for 2900 hours and 250 for 169 hours

    研究結果表明:金屬間化合物厚度與老化時間的關系符合拋物線法則，金屬間化合物的生長對老化溫度比老化時間更加敏感; cu - al金屬間化合物生長的激活能為97 . 1kj / mol ，老化后金屬間化合物呈層狀分佈，主要相為cual2和cu9al4 ; au - al金屬間化合物生長的激活能為40 . 1kj / mol ，主要相為au4al和au5al2 ，同時在界面周邊區域生成了au2al和aual ;老化過程中cu - al金屬間化合物生長速率比au - al金屬間化合物生長速率小103數量級;金絲球鍵合點200老化96小時出現了明顯的kirkendall空洞和裂紋，但銅絲球鍵合點200老化2900小時和250老化169小時都沒有形成空洞和裂紋。
分享友人
分享到 Line

分享到臉書