concentration factor 中文意思是什麼

concentration factor 解釋
富集因素
  • 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。
  • factor : n 1 〈英國〉經銷人；（代客買賣收取傭金的）經紀人；代理商；代辦人；〈蘇格蘭語〉 土地經管人。2 要素...
  1. Comprehensive cellular responses was found in human amnion fl cells following exposure to low concentration of mnng, such as the lowering of dna replication fidelity resulted from alteration of dna polymerase profile ; activation of a lot of transcription factors, such as api, creb, nf - kb etc ; clustering of egfr ( epidermal growth factor receptor ) and tnfr ( tumor necrosis factor receptor ) and activation of camp - pka - creb and jnk / sapk signal pathways

    我們發現，低劑量mnng處理后的人羊膜fl細胞有廣泛的細胞反應，並有多個信號轉導通路的激活和基因表達的改變。例如dna復制保真度下降， dna聚合酶譜發生改變，應用報告基因技術和底物磷酸化檢出技術證明細胞一系列轉錄因子如ap1 、 creb 、 nf b等被激活，細胞表面受體如表皮生長因子受體、腫瘤壞死因子受體發生聚簇，細胞信號轉導通路camp - pka - creb和jnk sapk被激活。
  2. Study of " ph memory " and activity water ( aw ) in processing of immobilization indicates that former factor has much effect on transformation and the latter just has little effect. permeabilization treating of baker ' s cell with alcohol and ultrasonic leads to lower transformation rate, which illustrates that permeabilization procedure has negative role on biotransformation with whole cell as biocatalyst in organic solvent. in simple dynamics research amount of biocatalysu concentration of substrate and reaction course are considered and all of them have remarkable effect on transformation

    Ph記憶、水活度及通透性處理的實驗結果表明， ph記憶對轉化有明顯的影響，水活度對模型反應的影響不大；作為完整細胞生物催化，細胞的通透性可能是傳質阻力的重要組成部分，利用不同濃度的乙醇和超聲波對細胞進行處理，結果表明，在有機相完整細胞生物催化中，通透性處理對轉化產生的是負面影響。
  3. T active immunization could maintain its castration for a period, at the age of 11w, the development of combs and wattles were evidently slower in the immunized groups ( p < 0. 05 ), and the testes atrophied. meanwhile, both its serum t concentration and body weight were evidently lower than the untreated group. 2. the does of 0. 2mg / ml produced the best immunisation performance and promotion growth effecct, we could induce the dosage was the main factor in deciding the final effect, injection at w3 achieved the best result

    11周齡時，各免疫組雞體重、血漿睪酮含量顯著（ p 0 . 05 ）低於對照組，睪丸及冠垂發育受到抑制，明顯發生萎縮，其中以0 . 2mg / ml劑量， 3周齡免疫抑制作用最為明顯；此後隨著日齡的增長，免疫抑制作用逐漸下降，到15周齡時，免疫抑制作用明顯逆轉，機體的生長發育恢復正常，免疫各組與對照組相比測定指標無顯著性差異（ p 0 . 05 ） ；至19周齡，各免疫組睪丸和冠垂生長發育、體重、血漿睪酮含量都顯著（ p 0 . 05 ）高於對照組，其中以0 . 2mg / ml劑量組， 9周齡免疫促生長作用最為明顯。
  4. Ecocline a cline that is due to a specific environmental factor, such as a gradient of heavy metal concentration in the soil

    生態漸變群：由物種生存特定環境因素影響而形成的一種漸變群，例如土壤中的重金屬濃度梯度。
  5. As found in example 1, the stress concentration factor for the fillets is equal to 1. 78.

    如例1中所求出的，圓角的應力集中系數等於178。
  6. The samples with smaller grain sides were obtained in our experiment, and the properties are corresponding with that of those samples prepared by melting method mentioned previously. several approaches can be proposed for further increasing the thermoelectric properties. preparation of the material with different compositional deviations availably controlled from stoichiometry is one of the ways to change the carrier concentration, and hence to optimize the value of power factor

    該方法獲取的塊體樣品的片狀顆粒的粒度遠小於熔煉法制備的樣品，樣品的性能也與熔煉法相當，如果能有效控制樣品的化學計量比，提高生成物的純度將會更大程度的提高材料的熱電性能。
  7. At last, the conclusions of the whole thesis are drawn, and it is put forward that the future research emphases on the infrared radiation absorption ct technology should focus on : instantly get the absorption projections are the crucial factor to utilize the technology industrially ; on the basis of the hypothesis that the gas is ideal gas, species concentration of particular gas medium can be measured at the same time, which must be helpful to comprehend combustion essence ; if laser source to replaces blackbody stove, for irradiant flame, interferometric projection can be attained, and its temperature distribution will known

    最後，對全文進行了總結，並指出今後研究工作重點。指出：瞬時得到各方向的投影是此技術實用化關鍵；在獲得溫度分佈信息基礎上，進行必要的假設和推導，能同時得到火焰中某特定組分濃度的分佈，這必將進一步我們對燃燒本質的理解；利用方向性好，輻射強度高的激光源代替常規的黑體爐，能得到輻射干涉投影圖像，這樣就能測量所介紹系統不能測量的發光火焰溫度分佈。
  8. Intelligent electricity quantity concentration display instrument is a kind of intelligent instrument used to measure combined parameter of ac electricity quantity, which can simultaneously measure each phase electricity parameter in the tri - phase ac loop such as voltage, current, active power, reactive power, apparent power, power factor, frequency, active kilowatt hour, reactive kilovolt ampere - hour and so on

    智能電量集中顯示儀是一種用於交流電量綜合參數測量的智能儀表，它可以同時測量三相交流迴路的每一相電壓電流有功功率無功功率視在功率功率因數頻率有功電度無功電度等參數。
  9. Atlas of stress distribution and graphs of stress concentration factor ( scf ) were obtained. the atlas and the graphs showed that the scf at the joint crease nonlinearly with the accretion of r / r and the minuet of t / t

    結果表明連接點處有明顯的應力集中，並且這種應力集中是隨著開孔率增大和厚度比減小呈現非線性增長的。
  10. To validate the formulated transition element for the calculation of the hot - spot stress and stress concentration factor in the welded components by experimental results, the stress concentration factor of the experimental welded specimens carried out in the research group is calculated by using the developed plane - transition element. the calculated stress concentration factor in the two types of tested welding components agrees well with that obtained from the experimental result. and the calculated result on the tendency of hot - spot stresses agrees well with that from the measured result

    為了驗證文中構造的過渡單元模型用於分析焊接節點附近的應力集中問題的正確性和有效性，進一步又對過渡單元模型進行實驗結果驗證，採用平面過渡單元模型計算了本課題組進行的兩類焊接構件的應力集中系數，並與根據實測方法得到的應力集中系數進行了比較，計算結果與實驗測試得到的應力集中系數和相應的熱點應力變化趨勢比較吻合，為本文建立的過渡單元的實際應用提供了初步的基礎。
  11. Given dynamic stress concentration factor around the interface circular lining. some examples and numerical results and illustrated, the influence of wave number, incident wave angle and combination of different medium parameters upon dynamic stress concentration factor are discussed

    針對具體算例給出數據結果討論了不同波數條件、不同入射角作用、不同的材料常數組合對界面襯砌散射波遠場位移模式和散射截面的影響。
  12. Biological concentration factor

    生物濃集因素
  13. Based on the predicting model of effective stress concentration factor, estimating methods of s - n curve for welded steel structures are set up under symmetrical and unsymmetrical stress cycle respectively

    本文以有效應力集中系數預測模型為基礎，分別建立了對稱循環和非對稱循環時焊接鋼結構s - n曲線的理論預測方法。
  14. By introducing the concept of the worst - case notch, the theory prediction model of the effective stress concentration factor for welded steel structures are established for symmetrical and unsymmetrical stress cycle respectively

    本文在引入「最壞切口」概念的基礎上，分別建立了對稱循環和非對稱循環時焊接鋼結構有效應力集中系數的理論預測模型。
  15. The stress of radius position of the part is analyzed based material mechanics, moreover, a new method calculating the stress concentration factor is deduced, the calculating method is not only more concise and convenient than that of elastic mechanics, but also the calculating result is agreeable to practical results

    文中通過對構件圓角處應力的分析，應用材料力學方法，推導出一種計算應力集中系數的方法，比彈性力學方法簡便，並與實際相符。
  16. An analytical expression of stress concentration factor for a finite wide plate with an eccentrically placed circular hole

    含偏心小圓孔的有限寬板條孔邊應力集中系數的一種解析表達式
  17. Stress concentration factor generally is calculated based elastic mechanics method or empirical equation derived the conclusion of testing

    應力集中系數一般由實驗確定或由彈性力學方法求出。
  18. Firstly, the existing extrapolating method of stress concentration factor from measured neighboring stress or strain is reviewed briefly, then, course of gm ( 1, 1 ) model, error source and criterion of examining precision are introduced

    文中首先對已有的應力集中外推方法作了簡要概述，然後，介紹了灰色系統理論gm （ 1 ， 1 ）模型的建模過程、誤差來源及精度檢驗標準。
  19. Stress concentration factor

    應力集中系數
  20. As found in example 1, the stress concentration factor for the fillets is equal to 1. 78

    如例1中所求出的，圓角的應力集中系數等於1 78 。
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