exchange concentration 中文意思是什麼

exchange concentration 解釋
外匯集中制
  • exchange : vt 1 （以某物與另一物）交換，調換 （for） 2 互換，交流，交易。3 兌換。 vi 1 兌換 （for） 2 交換；...
  • 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. By linear regression analyzing of the concentration of plankton microbe and settling microbe, we get the relationship between plankton microbe, settling microbe and air exchange rate, which reflect the randomness of bacterium in dynamic state. controlling the pressure difference effectively by adjusting forced draught blower and exhaust blower. comparing the jet fluid of different supply - air outlet, the diffuse pore plate is suit to assembling cleanroom

    通過對測得不同換氣次數下裝配式潔凈室室內的浮遊菌濃度和沉降菌濃度的一元線性回歸分析得出浮遊菌濃度和換氣次數的關系、沉降菌濃度和換氣次數的關系以及浮遊菌和沉降菌之間的關系，反映了動態情況下，細菌運動的隨機性。
  2. By varying flow velocity and the concentration of hmi ( hg2 + ) in influent water and adding usual cations ( ca2 +, mg2 + ) or anions ( cl -, so42 - ) into raw water, the effects of hmi removal by wbaer and cations exchange resins from dk have been contrasted

    試驗中通過改變流速（通過離子交換柱） 、進水中重金屬離子（ hg2 + ）的濃度以及向原水中引入天然水體中常見的陽離子（ ca2 + 、 mg2 + ）和陰離子（ cl 、 so42 ）等方法，比較了弱堿性陰離子離子交換樹脂和陽離子交換樹脂對飲用水中微量重金屬離子（ hg2 + ）的去除效果。
  3. The results show that when the concentration of hmi ( hg2 + ) in influent water is every low, the effect of hmi removal by wbaer from dk is much better than cations exchange resins. with cations ( ca2 +, mg2 + ) at high concentration in raw water, wbaer has better selectivity to hmi in water, however the selectivity of cations exchange resins is worse. the anions in raw water such as cl - which is able to react with hmi can make cations exchange resins lose the capability of hmi removal, but it has no effect on wbaer ( d301g )

    結果表明：當進水中重金屬離子（ hg2 + ）濃度較低時，弱堿性陰離子交換樹脂對飲用水中hg2 +的去除效果要明顯優于陽離子交換樹脂；當原水中含有相對較高濃度的陽離子（ ca2 + 、 mg2 + ）時，弱堿性陰離子交換樹脂對水中的重金屬離子具有很高的選擇去除性，而陽離子交換樹脂的選擇去除性卻很差；天然原水中能與重金屬離子（ hg2 + ）發生絡合反應的陰離子（如： cl ） ，可以使陽離子交換樹脂喪失了對水中微量重金屬離子（ hg2 + ）的去除作用，而對弱堿性陰離子交換樹脂（ d301g型）去除水中微量hg2 +的影響卻很小。
  4. By means of static and dynamic experiments, lots of research on the effect of micro - quantity heavy metal ions ( hmi ) removal by weakly basic anion exchange resins ( wbaer ) from drinking water ( dk ) with alkali metals, alkaline - earth metals and anions at high concentration, has been done

    本文採用靜態和動態兩種試驗方法，對弱堿性陰離子交換樹脂在堿金屬、堿土金屬離子以及陰離子相對較高濃度的背景下去除飲用水中微量重金屬離子（以hg2 +為研究處理對象）的效果進行了大量試驗研究。
  5. According the key factors we find, we bring forward a new conception : multilevel suppressor and design a new high performance suppressor whose ion - exchange membrane has bigger areas and using three electrodes including one cathode ( anode ) and two anodes ( cathode ), at the same time we fill the suppression compartment with one kind of ion exchange resin which has moderate exchange capacity. according to our experiment ' s results, we find the new type suppressor has quite high working current efficiency and suppressing capacity. in most cases, the suppressor ' s current efficiency is over 90 % ; the suppressor can transform the naoh ( concentration : 200mmol / l, flow rate : i. oml / min, conductance : over 10000 i - i s cm " ) to pure water ( conductance : 8. 9 it s cm in chapter 3, the high performance suppressor is applied in determination some trace - amounts ions in plating solution, sewage. in this chapter, we also have a research on the gradient ion chromatography

    第二章首先以xyz - 1型電化學抑制柱為例，分析了電化學抑制柱的抑制過程得出影響抑制容量的主要因素主要是抑制柱的電流效率和離子交換膜的極限電流密度，因此採用中等交換能力的離子交換樹脂作為抑制室的填料以提高電流效率，在通常情況下電流效率可達到90以上；在選用同種離子交換膜的前提下，可通過增加離子交換膜的有效面積達到提高極限電流的目的從而提高抑制柱的抑制容量，因此提出了多級抑制的概念並據此研製了共電極式高容量電化學抑制柱，該抑制柱最高可將流速為1 . 0ml / min ，濃度為200mmol / l電導率超過10000 s ? cm ~ （ - 1 ）氫氧化鈉溶液抑制為電導率低至8 . 9 s ? cm ~ （ - 1 ）的純水，並且具有穩定性高、分析結果準確等優點。
  6. The tests of e - o applications by our flux ktp has been realized, the results showed : optical waveguides fabricated by using an ion - exchange process, which have an exchange - ion concentration depth profile and refractive - index profile, is close to a complementary error - function distribution, optical homogeneity and device thermal stability is much better. amplitude modulation switch formed by our flux ktp has the contrast ratio of 150 : 1 and insert loss is 2. 5 % at 1064 nm. high quality optical pulse with 1 ns width was cut successfully by using an e - o modulator from a laser pulse with 50 ns width, this modulator had run for three years, and the crystal did n ' t blackened, it showed our low conductivity flux ktp can endure high modulation voltage for a very long time

    Ktp晶體的電光應用試驗表明：用離子交換法製作的電光波導，其離子交換濃度、折射率變化符合餘弦誤差函數，光學均勻性以及器件的溫度穩定性較好；製作的強度調制電光開關，消光比為150 ： 1 ，對1064nm激光的插入損耗為2 . 5 ；製作的電光調制器用於激光脈沖整形試驗，從脈沖寬度50ns的激光脈沖削出脈寬1ns的高質量光脈沖，該電光開關經過長達三年多的使用，沒有出現晶體變黑現象，說明本實驗的低電導率ktp晶體能夠耐受長時間的調制電壓。
  7. The author makes some analysis on the possibilities of the financial crisis under the two types of. regimes for the developing countries. we find that the concentration and accumulation of the exchange rate risks are huge under the fixed pegged exchange rate arrangement, so it is easy to induce the attack of the enormous hot money

    通過發展中國家兩種匯率制度下發生金融危機的可能性進行了分析，結果發現：與浮動匯率制度相比，固定釘住匯率制度下的外匯風險集中度高、風險累積程度深、外匯投機沖擊發生可能性大，易引發資本項目下的金融沖擊，造成貨幣危機。
  8. The intrinsic carrier concentration reduces when decreasing the v / iii ratio. the high quality of in0. 53gao. 47as can be obtained at the range of 10 - 30 seconds of exchange time between ashs and phs. when the thickness of the buffer layer between the inp substrate and ingaas epilayer is 0. 2 um the mobility becomes the maximum and the carrier concentration is the lowest

    /比對外延層的表面形貌有較大影響，增大/比有利於提高材料的結晶質量；隨著/比增加，遷移率升高；本徵載流子濃度隨著/比減少而降低； ash _ 3和ph _ 3轉換時間在10秒到30秒之間可以獲得質量較好的ingaas外延層；在inp緩沖層厚度為0 . 2 m時遷移率達到最大，載流子濃度達到最低。
  9. Concentration and dispersion of the supply in china ' s foreign exchange market

    我國外匯市場供給的集中與分散
  10. Methods 1 mr1 hybridoma was cultured in hollow fibre system. culture supernatant was harvested, then precipitated by half - saturated ammonia sulphate. mfm was purified by deae - sephacel ion exchange chromatography. mri concentration was measured by elisa

    硫酸錢半飽和沉澱， oeae陰離子交換層析分離純化抗co40l單克隆抗體mri 。 pbs透析后， 505一隊ge檢測純化抗體的純度， eusa測定抗體濃度。
  11. Based on solid - liquid interface ion exchange model, using in - situ data of ph, sediment concentration, trace metal and salinity in the changjiang estuary, solid - liquid phase transformation for metals cu, zn, cd, co, ni through salinity gradient was calculated, and the modeling results was compared with in - situ data sets reported in literature

    華東師范大學博士學位論文摘要6 .在固一液界面離子交換模型的基礎上，以長江口現場調查得到的ph 、懸浮泥沙濃度、金屬濃度和鹽度作為模型的輸入量探討了cu 、 zn 、 cd 、 c 。
  12. Hong kong has tremendous strengths in asset management, including a high concentration of fund management companies, a pool of talented people, the absence of foreign exchange control, the rule of law, good corporate governance and a simple and low tax regime

    香港在資產管理方面具備很多優勢，包括眾多基金管理公司及人才匯聚、沒有外匯管制、良好的法治及企業管治、簡單而低的稅制等。
  13. The quantitative determination of trace gas concentration is involved in the study of biological trace gas exchange, air pollution and medical diagnosis

    生物組織微量氣體交換研究、大氣污染監測和醫療診斷等領域都涉及到微量氣體的定量分析。
  14. The fact that the concentration of the stock holding substantially correlates the fluctuation of the stock price proves that bankers do exist and take control of the price in behind. given the existence of many illegal bankers, the market transactions are actually lack of liquidity in consideration of the stock exchange ratio and the price fluctuation. in additional, the volatility of the chinese stock market has ranked top lines in world major securities market

    由於股票的集中度與股價的變動相關性很強，說明市場上確實可能存在較多莊家操縱股價的情況；正是這些非法莊家的大量存在，使得表面看似活躍的市場交易在考慮到換手率和股價波動的綜合因素后其實缺乏流動性；而中國股市的波動性十年來更是位居世界主要證券市場的前列。
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