differential medium 中文意思是什麼

differential medium 解釋
鑒別性培養基。

  • differential : adj 1 差別的，區別的；特定的。2 【數學】微分的。3 【物、機】差動的，差速的，差示的。n 1 （鐵路不...
  • medium : n （pl dia ）1 媒介物；傳導體；媒質，基質，介質，介體；中間物；環境、生活情形。2 手段，方法；媒介...
  1. Spectrum table for wide plus - dp adp series low, medium, high differential pressure transmitter

    Wideplus - dp adp小型低中高差壓變送器型譜表
  2. 2. according to the effect of combination of different hormone concentration in the medium on callus formation and shoot induction of tomato cotvledons, we defined mso + 2. 0mg / l ba + - 0. 2mg / l iaa as optimum differential medium

    根據番茄子葉外植體在加有不同激素濃度配比的培養基上愈傷組織分化和芽再生的情況，確定最佳分化培養基為ms _ 0 + 2 . 0mg / lba + 0 . 2mg / liaa ； 3
  3. Studies on screening of strains of producing phytase and the conditions of producing phytase the strains of producing phytase could be identified by the hydrolysis bound in differential medium. aspergillus niger an010001 secreting phytase was isolated by screening and second screening. the conditions of producing phytase was studied

    植酸酶菌株的篩選及產酶條件的研究本項研究利用植酸酶的菌株能在篩選培養基上形成水解透明圈的特點而進行鑒定，通過初篩和復篩，得到一株產植酸酶較高的黑麴黴（ aspergillusniger ） an00101菌株。
  4. The regional deformation anomaly of medium - term phase ( 1 ~ 3 years or more ) before strong earthquake occurrence usually shows three aspects of common characteristics : for regional vertical deformation, it shows distribution features of anomalous uplift area and concentration belt - high gradient belt of vertical differential deformation ( some of them reflect distribution of four quadrants ) related to tectonics ; for horizontal movement, it shows features of centralized high strain area ( or zone ) of domination shear deformation related to active blocks and faults ; it shows common features of regional vertical deformation anomaly area and high strain distribution area of horizontal deformation

    摘要強震前中期階段（ 1 ~ 3年或稍長）區域性形變異常往往表現出3個方面的共性特徵：區域垂直運動變形呈現與構造有關的異常隆起區、垂直差異變形高梯度帶（有的還呈「四象限」 ）分佈特徵；水準運動變形呈現與活動地塊及斷裂構造有關的、以剪切變形?主的高應變集中區（帶）特徵；區域性垂直形變異常區與水準形變的高應變分佈區共性的特徵。
  5. 3051 shape low medium and high differential transmitter

    3051外形智能低中高差壓變送器
  6. 1151 shape low medium and high differential transmitter

    1151外形智能低中高差壓變送器
  7. Type spectrum table for wide plus - bdp badp series low, medium, high differential pressure transmitter

    Wideplus - bdp badp小型低中高差壓變送器型譜表
  8. From the mathematical point of view, the difficulty stems from the inability to get, with the traditional global transform like the fourier transform, a simplified differential equation that governs the evolution of the basic function through the non - homogeneous medium

    這些基本函數的全局特性使其在非均勻空間的演化變得十分復雜，從而影響了傳統方法的波場外推精度及效率。
  9. The analysis of the cutoff errors in non - linear magnetic medium integal - differential discreteness

    含非線性磁介質中積分差分離散的截斷誤差
  10. The following is include : 1. fundamentals : deducing the basic differential equation of saturated - unsaturated seepage in porous medium from fundamental physical equations. explaining the fundamentals of saturated - unsaturated seepage and its different initial and boundary conditions. 2

    基本理論：主要從基本的物理方程出發推導出多孔介質中飽和、非飽和滲流的基本微分方程，闡述了飽和、非飽和滲流問題的基本概念及其不同的定解條件。
  11. Transmitter 3051 shape type spectrum table for wide plus - bdp badp series low, medium, high differential pressure transmitter

    Wide plus - b系列壓力差壓p變送器3051外形型譜表
  12. Firstly, the identification of the double medium system is considered, the existence, the uniqueness and the boundness of the solution of the system of the partial differential equations are proved by using the monotone method, the mathematical model of the parameter identification problem is established, and under some mild assumptions, the optimality system about the identification is derived, thus the suitable gradient methods can be employed to solving the identification problem. secondly, the theories of optimal control of distributed parameter system are introduced to investigate the parameters identification problem involving the three - dimensional population system

    利用單調方法證明了正問題解的存在惟一性和有界性，建立了相應參數識別問題的數學模型，並給出了求解這類識別問題的最優化系，從而可利用適當的梯度法，實現對系統參數的識別；把分佈參數系統最優控制理論引入到具有多個識別參數的三維種群生態系統的參數識別問題之中，給出了參數識別問題最優解的存在性結論，證明了狀態方程的解對識別參數的連續依賴性和g （
  13. A plane - wave expansion method based on the effective medium theory is firstly introduced, and the new method has a better convergence than that of the pwm. as a new method for calculating the band structure of a photonic crystal, a finite difference scheme is also introduced to the governing differential equation based on the effective medium theory

    首先提出了基於等效介質理論的平面波方法，顯著地改善了平面波演算法的收斂性質；同時提出一種新的計算光子晶體能帶的有限本徵差分演算法，與已有的平面波展開法相比，新方法保留了本徵值演算法的獨特優點，同時又克服了平面波展開法的慢收斂性。
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