differential concentration 中文意思是什麼

differential concentration 解釋
濃差
  • 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...
  • concentration : n. 1. 集中。2. 【化學】提濃，蒸濃，濃縮；濃度；稠密度；【礦物】汰選，選礦，富化。3. 集中注意，專心。
  1. 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
  2. Their properties have been investigated by using scanning electronic microscopy ( sem ), differential scanning calorimetry ( dsc ), x - ray diffraction ( xrd ), thermogravimetry - differential thermal analysis ( tg - dta ), infrared spectroscopic analysis ( ir ), and gas chromatography ( gc ), etc. the effects of the mulser ' s stirring rate and the emulsifier concentration on the properties of encapsulated pcms have been systematically studied, and nanopcms have been obtained by increasing the stirring rate or the emulsifier concentration. the influences of different nucleating agents on micropcm performances have also been investigated in detail to search for a suitable nucleating agent to prevent micropcms from super - cooling

    首先，系統研究了乳化機轉速和乳化劑濃度對膠囊性能的影響，並通過提高轉速或乳化劑濃度獲得相變材料納膠囊；其次，系統研究了不同成核劑對微膠囊性能的影響，找到合適的成核劑抑制了相變材料微膠囊的過冷現象；再次，詳細研究了環己烷對膠囊性能的影響，並通過添加適量環己烷提高了相變材料微膠囊及納膠囊的耐熱溫度。
  3. 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。
  4. Seawater intrusion is modelled as a nonlinear system of coupled two parabolic partial differential euqaitons, of which one is the pressure flow equation and the other one is the concentration equation of convection - dispersion type

    摘要海水入浸問題的數學模型是兩個耦合拋物型偏微分方程，其中一個是關于壓力的流動方程，另一個是關于濃度的對流擴散方程。
  5. Error analysis and improvement method of concentration measurement of trace gas in the atmosphere by differential optical absorption spectroscopy

    基於可調諧二極體激光吸收光譜學對二次諧波檢測噪聲分析研究
  6. The vigorous situation appears in our country in " third party logistics ", i will introduce the reason such as economy, politics, academy, technology, market why third party ' s logistics enterprises rise in our country briefly, several kinds of present main operation modes : it is not assets type " the logistics mode, basic logistics service mode, combine the mode, comprehensive logistics agency ' s mode, centralized logistics mode organically, and development strategy : according to the expansion type strategy, keeping type strategy, tightening type strategy that the developing direction divide ; manage according to business concentration that relevance divide into development strategy, diversification deal in the development strategy ; according to the comprehensive logistics strategy that range and function of the logistics enterprises service divide, systematized logistics strategy, strategic, differential and low cost logistics strategy of flexibility logistics ; make management strategy according to cooperative type longitudinal cooperative management strategy, horizontal cooperative management strategy, network compound that divide into of enterprise

    摘要「第三方物流」在我國呈現蓬勃發展的態勢，文中我將簡要介紹了一下第三方物流企業在我國興起的諸如經濟、政治、學術、技術、市場方面的原因，目前的幾種主要運作模式：非資產型物流模式、基礎物流服務模式、有機整合模式、綜合物流代理模式、集中物流模式，以及發展戰略：按發展方向分為擴張型戰略、維持型戰略、緊縮型戰略；按業務相關性分為集中經營發展戰略、多樣化經營發展戰略；按物流企業服務的范圍和機能整合性分為綜合物流戰略、系統化物流戰略、柔性化物流戰略、差別化和低成本化物流戰略；按企業間的合作類型分為縱向合作經營戰略、橫向合作經營戰略、網路化合作經營戰略。
  7. A better desired ventilation form is acquired by comparing the three efficiency values. on the basis of recently materials collected in the field at home and abroad, this paper adopts two - equation turbulence model by analysis and comparison, and sets up mathematical model to study three - dimentional indoor turbulent flow. control - volume method and power - law scheme is used to discrete these differential equations. according to semi - implicit method for pressure - linked equations ( simple algorithm ), author writes a general program in c language for simulation of the velocity profile, temperature and pollution concentration distributions of indoor airflow, and the writing, the debugging and the running of the program. all are completed in microsoft visual c + + 6. 0 environment

    在收集國內外在這一領域內的大量資料的基礎上，通過分析與比較，採用了k -雙方程模型來研究室內氣流的濃度分佈，建立了描寫穩態的三維紊流室內氣流濃度分佈的數學模型，採用控制容積法和冪函數分佈方案來離散微分方程組，按壓力藕合方程的半隱式法（ simple ）演算法，用c語言編寫了計算室內氣流流場和溫度場、濃度場的通用程序，並在microsoftvisualc + + 6 . 0環境下對程序進行編制、調試與運行，並對調試工作做了探討與分析。
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