point concentration 中文意思是什麼

point concentration 解釋
點濃度
  • point : n 1 尖頭，尖端；尖頭器具；〈美國〉筆尖；接種針，雕刻針，編織針；小岬，小地角；【拳擊】下巴。2 【...
  • 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. One point of concentration is where the air tube and bronchus divides

    集中的一點是氣管和支氣管分叉的地方。
  2. In the deep mantle the highest possible concentration of radioactive materials is limited by the condition demanding temperatures below the melting point.

    在地幔深部，放射物質最高的可能濃度受溶點以下的溫度條件所限制。
  3. The researchers point out that the concentration of relaxin in the blood rises during the first trimester of pregnancy, when a woman ' s heart rate increase by about 40 per cent

    原譯文為:研究人員指出，當一名婦女的心率加快約40 %時，妊娠的頭三個月間血液中恥骨鬆弛激素濃度升高。
  4. Some cubic perovskites are good cases in point such as srtio3 and ktao3. experimental results show that when ba2 + and li + are doped into the above materials respectively and at the same time the impurity content is higher than their critical concentration, the impurity induced ferroe lectric phase transition occurs

    Srtio _ 3和ktao _ 3是典型的量子順電體，實驗表明當兩者分別摻雜ba ~ （ 2 + ）和li ~ +且雜質濃度超過各自的臨界濃度時，順電相不再穩定，出現由雜質導致的鐵電相變。
  5. Furthermore, a new method to measure the concentration of ferromagnetic alloys was exhibited, and its reliability was also confirmed, which is to measure the curie point of specimens by the dsc analysis and then compare the data with ones of standard specimens so that to observe the concentration of specimens

    此外，論文中表述了一種新的鐵磁材料組成成分測定的方法，並予以比較驗證。即利用dsc分析測量鐵磁轉變居里點的變化，與標準試樣進行比較，從而確定試樣組成的含量。
  6. So it is chiefly that soil co2 concentration and its influencing factors should be studied in ordered to learn the mechanism of epikarst ecosystem and global carbon cycle. karst dynamics laboratory, ministry of land and resources, has been studied the mechanism of seven typical epikarst ecosystem and global changes through igcp 299 ( geology, climate, hydrology and karst formation, 1990 - 1994 ) and igcp 379 ( karst processes and the carbon cycle, 1995 - 1999 ) to igcp 448 ( world correlation of karst ecosystem, 2000 - 2004 ), while observation and analysis and research of epikarst ecosystem in mt. jinfo have just been beginning. the thesis analyzes that based - on observational point of green pond and deep dell in the west slope of jinfo mountain, co2 concentration and regularity of epikarst ecosystem contrasting woodland with uncovered land have been studied through the observation of temperature and humidity and co2 concentration

    國土資源部巖溶動力學開放研究實驗室以igcp229 、 igcp379和igcp448項目為依託，開展了我國7個典型的表層帶巖溶生態系統運行規律及其全球變化影響研究，而其中金佛山的觀測、分析與研究則才剛剛起步，本文以金佛山西坡摘公碧潭幽谷為觀測點，主要通過coz濃度、溫度和濕度的觀測，開展林地表層帶巖溶生態系統與裸地表層帶巖溶生態系統coz濃度特徵及其變化規律的對比研究，這對進一步深入研究巖溶生態系統運行機制和全球碳循環以及開展全球巖溶生態對比有著重要意義。
  7. All the old manuvres that had invariably been crowned with success : the concentration of the battery on one point, and the advance of the reserves to break the line, and the cavalry attack of men of iron, all these resources had been employed ; and far from victory being secure, from all sides the same tidings kept pouring in of killed or wounded generals, of reinforcements needed, of the troops being in disorder, and the russians impossible to move

    仍然是以前那些準保成功的方法：炮火集中一點轟擊，后備軍沖鋒以突破防線，接著是des hommes de fer騎兵突擊，所有這些方法都用過了，但不僅沒取得勝利，且到處都傳來同樣的消息：將軍們傷亡，必須增援，無法打退俄國人，自己的軍隊陷入混亂之中。
  8. What banker applies at most is tall open quotation, amount of gather contest price is very large, but share price rushs on the powerful momentum for afterwards eve hard, turn around downward, to the limit of one ' s capacity drops broken all valence, although dish in your writing accepts the order, but share price goes cast apparent be enslaved to be enslaved to all of valence press instead, point of price of before one day of closing quotation also does not have a bit resistance, all the speed of price be issued to lower levels and share price keep basically consistent, because be banker concentration, shipment causes

    莊家運用得最多的是高開盤，集合競價量很大，但股價難以為繼前日的強勁勢頭上沖，掉頭向下，放量跌破均價，雖然盤中有大筆接單，但股價走拋明顯受制於均價的反壓，前一日收盤價處也沒有絲毫反抗力，均價下行的速度與股價基本保持一致，因為是莊家集中出貨造成的。
  9. This thesis also studied the influence of the spacing, which is between the central action point on the shackle and the exterior plate of the chassis frame side rail, because the spacing influenced the local stress distribution and the stress concentration of the bus body frame and the chassis frame, and the related variational tendency was summarized

    本文還研究了吊耳銷作用力中心點與縱梁腹板間距對車架和客車骨架的應力分佈與集中的影響，總結了相關的變化趨勢。
  10. In this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes

    本文將水質預測及水污染控制措施有機地結合，選取水環境容量和污染指數作為水污染控制的參數.這樣，一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進，因為其採用四點隱格式對水質進行預測，推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值，從而制定相應的水污染控制措施.為整體考慮各種污染物的情況，建議採用河流的污染指數進而推求綜合污染指數.總之，本研究為水質保護提供了科學的計算方法，該法對水污染控制及污水對河道水質的影響是實用有效的
  11. Abstract : in this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes

    文摘:本文將水質預測及水污染控制措施有機地結合，選取水環境容量和污染指數作為水污染控制的參數.這樣，一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進，因為其採用四點隱格式對水質進行預測，推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值，從而制定相應的水污染控制措施.為整體考慮各種污染物的情況，建議採用河流的污染指數進而推求綜合污染指數.總之，本研究為水質保護提供了科學的計算方法，該法對水污染控制及污水對河道水質的影響是實用有效的
  12. However, te - rich phases and point defects with high concentration were found locally. not only the vapor - solid equilibrium but also the vapor - liquid - solid equilibrium should be considered for the annealing of the crystals with te - rich phases. by analyzing the phase diagrams of cd - te and p - t plot of cd1 - xznxte ( x = 0. 04 ), it was concluded that for the purpose of rem

    本文通過仔細分析cd . te二元相圖和cd卜龍znxte （ x = 0 . 04 ）的p一t相圖，認為為了去除富te相，獲得穩定的電學性能，退火時晶片溫度應小於115ok ，氣氛環境的總壓力應小於pcs （對cdte ， pc洶
  13. Was added, the absorption of morin at 350nm decreased and a new absorption peak at 419nm appeared. adding of nucleic acids to the morin - al binary system leads to decrease of the absorption at 350nm and great increase at 419nm. there is an isochromatic point at 370nm. the increase of absorbance at 419nm is proportional to the amount of nucleic acids added within certain concentration range. based on this, a new sensitive nucleic acids analysis method is established. the linear ranges of ct dna, fs dna and y rna are 0. 7135. 4 0. 6425. 6 and 0. 9428. 4g ml, respectively

    鋁離子的加入使桑色素350nm處的吸收峰下降，在419nm處出現桑色素-鋁絡合物的吸收峰。再往桑色素-鋁離子二元體系中加入核糖核酸或脫氧核糖核酸，則進一步引起桑色素350nm吸收峰的降低， 419nm處的吸收大大加強，同時在370nm處有一等色點。 419nm處吸光度的增加值與加入的核酸量在一定范圍內成正比，基於此建立了在較寬范圍內測定核酸的方法。
  14. Positive electrode and negative electrode that execute spanning crack prevention are simulated as the source point and merged point, so the temperature field owing to the concentration of current around the crack tip is educed at the moment when the current is switch on

    將實施跨越止裂時的正、負電極比擬為電流場中的源和匯，從而導出了在瞬間電流作用下，裂紋尖端附近區域因繞流而形成的溫度場。
  15. Based on the concentration polarization models with conventional filter cake resistance and shear - induced diffusion, the critical point simulating model on cross flow microfiltration process in particulate suspension was developed

    摘要以傳統的濾餅層阻力和與誘導擴散相結合的濃差極化模型為基礎，建立了剛性顆粒懸浮液體系錯流微濾過程中模擬臨界點的數學模型。
  16. Abstract : the concentration field distributions of the elevated point sources is calculated using a numerical calculation method

    文摘:使用數值計算的方法來計算給定源強下的高架排放點源的濃度場分佈情況。
  17. At the end of this chapter, the influence of the depth of discharge point on the concentration is analyzed

    文中還分析了不同深度點源排放對濃度場的影響。
  18. The main effect factors include : 1. microbial species, which seem to have different degradation rate under varied circumstances and n - alkanes ; 2. physical and chemical properties of crude oil itself, which have an important effect on biodegradation, such as conglutination, boiling point, refractive index, ingredient and concentration of the oil ; and 3. culture condition of microorganism, under which the degrading activity of microorganism will be affected by surfactant, light condition, sorbent, nutrition, co - metabolite, oxygen, temperature and salinity during the inoculation of selected or indigenous microorganisms

    其中主要影響因素包括：菌種的影響，菌種在不同的環境中和對不同碳鏈長度的碳氫化合物表現出不同的降解效率；石油物質本身物理化學特性的影響，如石油物質在水體或土壤中的濃度以及石油的粘度、沸點、折射率等特性；生存環境條件的影響，在接種入高效率的降解菌或利用土著微生物進行降解時，降解率受到生存環境中各種條件的影響，如表面活性劑、光照條件、吸附劑的利用、營養鹽、共代謝底物、氧氣、溫度、鹽度等。
  19. In this paper, the relationship of the thermal donor with point defects was investigated by injection of different concentration and distribution vacancy via 1250 ?, rtp preannealing in different gases ( n2 o2, ar ). the influence of rtf preannealing on generation at 450 ? and annihilation at 650 ? of thermal donors ( td ' s ) was not detected

    本論文通過不同氣氛（ n _ 2 ， o _ 2 ， ar ） 1250 30s高溫rtp預處理在矽片中引入不同濃度和分佈的空位，進而用四探針和擴展電阻研究450不同時間熱施主的生成特性和650熱施主的消除特性，從而確定熱施主和點缺陷之間的關系。
  20. It tell us : the abrasive capability of fly ash ; the similar calculation of ash erosion ; the calculation of ash erosion in the tube in turn and tube out of turn ; the reason of tube abrasion for gas flue ; the influence of air parameter for fly ash erosion ; the influence of changing temperature ; the influence of the flue gas composition, etc. next, it advances the solving measure ; reduce the flue gas velocity ; reduce the concentration of fly ash ; responsible construction : replace smooth tube with spiral tube ; use the new material of abrasion ; fuel desulfurization ; reduce so3 of flue gas ; raise flue gas temperature, making it up the dew point ; use the abrasion - resistance material to resist abrasion

    討論了飛灰磨損性能、管壁受飛灰沖蝕的近似計算、灰粒對順列管和錯列管的磨損計算、煙氣走廊引起對流管束的磨損機理、空氣動力參數對飛灰沖蝕的影響以及受熱面壁溫變化及煙氣成份對飛灰磨損的影響等問題。接著提出了解決的措施：降低平均煙氣流速；降低飛灰濃度；使用鰭片管、螺旋翅片管代替光管；選擇合適的結構及排列方式，減少煙氣中so3的含量；提高受熱面壁溫使之大於煙氣的露點溫度；採用抗腐蝕材料作受熱面等防腐蝕的措施。
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