composition variable 中文意思是什麼

composition variable 解釋
組成變量
  • composition : n 1 作文（法），作詩（法），作曲（法）；作品，文章；樂曲；文體，措辭。2 編制；結構，構造，組成，...
  • variable : adj 1 易變的，變化無常的，無定的 （opp constant steady）。2 可變的，能變的；變換的。3 【數學】變...
  1. The sol - gel method and solid - state thermal reaction technique were used to prepare the composite oxides with variable lithium content. the doping treatments of some compounds were conducted. dta and tg were used to analyse synthesis mechanism, xrd to analyse phase composition, sem to observe morphology, li - b / licl - kcl / oxide simulated thermal cells to analyse the lithium - intercalation mechanism and properties of cathode material

    實驗中採用溶膠?凝膠工藝和固相熱反應技術制取相應的不同鋰含量的復合氧化物，並嘗試對某些化合物進行適當的摻雜處理，應用dta和tg分析合成機制、 xrd分析所得物的物相組成、 sem觀察其形貌，模擬li - b / licl - kcl /氧化物的單體熱電池來分析陰極材料的嵌鋰機制及其電極性質。
  2. The variable factors of liquid chromatography are composition and ph value of the mobile phase, same type of chromatographic column but from different manufacturers or different batches, column temperature, sampler and detector temperature, etc

    液相色譜法中典型的變動因素有：流動相的組成和ph 、不同廠牌或不同批號的同類型色譜柱、固定相、柱溫、進樣器和檢測器溫度等。
  3. Ir - ta - ti metal oxide coated titanium anodes of variable composition were prepared by thermal decomposition. their micro morphorogies and electrochemical properties were characterized by scanning electron microscope, open circuit potential, cyclic voltammetry, consumption rate measurements and accelerated life test. the sem results indicated that all coatings were of a porous and cracked - mud microstructure influenced greatly by the composition of coatings. the electrochemical measurements showed that the ir - ta - ti ternary oxide - coated anodes exhibited excellent electrochemical activity and electrochemical stability in both acidic media and seawater which were affected by the composition and microstructure of the coatings. owing to good corrosion resistance and low consumption rate in seawater, metal oxde coated anodes belong to insoluble material, and can be potentially applid in impressed current cathodic protection systems as an anode

    採用熱分解方法在鈦基體上制備銥鉭鈦金屬氧化物陽極，用掃描電鏡對陽極塗層顯微形貌進行分析，通過強化電解壽命試驗、開路電位測試、消耗率試驗及循環伏安曲線研究了金屬氧化物陽極的電化學性能. sem分析結果表明銥鉭鈦金屬氧化物陽極塗層呈現多孔多裂紋形貌結構.隨陽極塗層組成不同，塗層顯微形貌表現出很大差異，這種差異直接影響陽極電化學性能.電化學性能試驗結果表明銥鉭鈦金屬氧化物陽極在酸性介質和海水中具有良好的電化學穩定性和電化學活性.此外，銥鉭鈦金屬氧化物陽極在海水中的消耗率很低，屬于不溶性的陽極材料，作為外加電流陰極保護用輔助陽極具有廣泛的應用前景
  4. At the same equipment and the same working conditions, compare performances of three kinds of systems, which use r22, mixture r32 / r134a with a composition of 30 / 70 ( mass ) and variable composition mixture r32 / r134a as refrigerants respectively

    3在理論上，比較了同一裝置相同工況下純質r22 、定比例組分混合工質r32 r134a以及變濃度混合工質r32 r134a三類系統的性能。
  5. It is proved that variable capacity of mixture has obvious advantages comparing to limitative composition systems of pure substance and mixture, and it is a feasible method by controlling low pressure, which can be used to vary mixture composition. 4

    得出相對于純質和定比例混合工質系統而言，變濃度混合工質系統具有明顯的優勢，以及採用吸氣壓力控製法來改變混合工質的濃度配比是可行的。
  6. With reference of the materials about passenger dedicated lines ( pdl ) in foreign countries, the essay discusses the characteristics and composition of transportation cost of railway pdl, and analyzes the influence on transportation cost from two aspects as target value of speed and passenger traffic volume, so as to illuminate that the target value of speed can directly affect the transportation cost of pdl, and the fix cost has nothing to do with the passenger traffic volume, whereas the variable cost is in direct proportion to that

    摘要借鑒國內外客運專線資料，對鐵路客運專線運輸成本的特性及構成進行論述，並從速度目標值與客運量兩方面分析對運輸成本的影響，說明速度目標值直接影響客運專線的運輸成本，而固定成本與客運量無關，變動成本與客運量成正比變化。
  7. Variable carbon composition resistors for use in electronic equipment - characteristics y, w and uc

    電子設備用可變碳素電阻器.特性y w及uc
  8. As a typical protein - coding gene, the second positions were least variable, first positions were more variable, and third positions were the most variable. although codon usage is effected by a / t bias, the amino acid composition is not varied with this bias

    密碼子以a 、 t結尾頻率高，第三位是g的密碼子使用較少，反映出cytb基因在密碼子的使用上具有偏向性，同果蠅和蜜蜂相一致。
  9. According to the features of precision, efficiency, inspection dimension and accuracy varying great range, designed closed - loop control system composition of servomechanism and grating to assure system ’ s precision, smooth, efficiency, and to realize the great dimension range measurement ; designed image capture system composition of ccd, automatic variable power lens and self - adaptive lighting, to realize integration of large inspection precision range ; designed electric control and software system to make the inspection convenience and fast. finally, developed the prototype instrument

    針對微電子產品視覺檢測的精密、高效、檢測精度和測量范圍變換大的特點，設計了伺服驅動、精密光柵採集組成閉環控制系統以保證運動精密、平穩、高效，和大的尺寸測量范圍;設計了由ccd攝像機、大范圍自動變倍鏡頭和自適應光源組成的圖像採集系統，集不同精度等級的檢測於一體;設計了電氣控制和軟體系統使檢測方便快捷。
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