濃差法 的英文怎麼說

中文拼音 [nóngchāfǎ]
濃差法 英文
concentration difference method
  • 濃 : 形容詞1. （液體或氣體中所含的某種成分多; 稠密） dense; thick; concentrated 2. （程度深） （of degree or extent） great; strong
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  1. The influence of the cloud droplet spectrum character and the spectrum growth and change is considered, which does not use a cut - off value for conversion from cloud water into rain water process. in the continuous coalescence equation, the particles fall velocity difference is not moved out from the integral, but is integrated in the equation as the function of diameter d to avoid the error of using particles average fall velocity. in the new scheme, generation rate of graupel due to the collection of snow by graupel and the collection of cloud ice by graupel are included

    雲中凝結核ccn的數濃度採用超幾何函數表示；雲水向雨水的自動轉換過程採用grabowski （ 1999 ）的公式，考慮了雲滴譜的特徵和發展變化對該過程的影響，而不是採用原方案給定閾值的方法描述該過程；對連續碰並方程不再將粒子落速差作為常量提出積分號外，而是直接作為粒子直徑函數在積分號內求解，這樣處理可以迴避使用粒子群的平均落速帶來的誤差；增加了霰和雪、霰和冰晶的碰並微物理過程。
  2. Afterwards, take a piece of smooth ivory - you have one prepared in your drawing - box : take your palette, mix your freshest, finest, clearest tints ; choose your most delicate camel - hair pencils ; delineate carefully the loveliest face you can imagine ; paint it in your softest shades and sweetest hues, according to the description given by mrs. fairfax of blanche ingram ; remember the raven ringlets, the oriental eye ; - what

    「然後，拿出一塊光滑的象牙來你在畫盒子里有一塊備著：拿出你的調色板，把你最新最漂亮最明潔的色澤調起來，選擇你最精細的駱駝毛畫筆，仔細地畫出你所能想象的最漂亮的臉蛋，根據費爾法克斯太太對布蘭奇.英格拉姆的描繪，用最柔和的濃淡差別，最甜蜜的色澤來畫。
  3. The virus was purified by ultracentrifuge. according to the ns gene sequence published by genbank, one primer t - 1 was designed to amplify the cdna by reverse transcript. the other primers nsl - u / ns1 - 1 and ns2 - u / ns2 - 1. hns2 - u were designed to amplify the ns1, ns2 and hns2 gene

    本實驗用接種雞胚的病毒增殖方法獲得了a / chicken / mudanjiang / 0823 / 00 （ h9n2 ）分離株的大量增殖，增殖病毒經差速離心進行純化，經超迷離心濃縮。
  4. Back extraction by hno3 - hf and back extraction by concentrated hnch after lower the concentration of organic phase are studied, the method of back extration by hnorhf can not be used to icp - ms, because some zirconium is hydrolysis when hf is removed by heat. however, the method of back extraction by concentrated nitric acid after lower the concentration of organic phase can be used to icp - ms, the recovery is 93. 2 %, rsd % is 5. 24 %, the decontamination factor of uranium is 3. 2xl04, the detection limit of zirconium is 0. 04ng / ml. the method of tta extracting trace zirconium in uranium is firstly used to icp - ms, the result is satisfied, it can be used to determine zirconium in uranic production quickly and veraciously

    本文通過研究hno _ 3 - hf反萃和稀釋有機相後用濃hno _ 3反萃這兩種分離方法，認為hno _ 3 - hf反萃由於在加熱去除hf時酸度不易控制，導致鋯的部分水解，因而此方法不宜用於icp - ms中，然而稀釋有機相後用濃hno _ 3反萃法用於icp - ms測量中，全程回收率為93 . 2 ，相對標準偏差為5 . 24 ，鈾的一次去污因子為3 . 2 10 ~ 4 ，鋯的測定下限為0 . 04ng / ml ，本文首次將tta萃取分離鈾中鋯用於icp - ms測量中，結果令人滿意，此方法適用於快速、準確測量鈾產品中微量鋯。
  5. Compared with the behavior of macromolecules in real solution system, the adsorption information in the monte carlo simulation system, such as adsorption isotherm, surface coverage, and bound fraction, was studied for discussing its relation to simulation parameters. five - selection simple cubic lattice, self - avoiding walk, and nearest interaction model were used to construct the homopolymer adsorption model on the solid - liquid interface. periodic boundary conditions were used to reduce the fixed error from limited cubic lattice in size

    模擬中採用五選擇簡單立方格子上的自迴避行走和最近鄰相互作用模型；使用周期性邊界條件以減小有限大格子空間帶來的系統誤差；用鏈節間相互作用能、界面吸附能、體相濃度和鏈長約束體系中的高分子的吸附行為；用末端轉動、 l -翻轉、曲柄運動、蛇形運動和r - r切除-生長法對模擬體系進行擾動；用系統達到吸附平衡后的樣本來研究模擬體系中的高分子鏈在固液界面上的吸附。
  6. Primary culture of rat preadipocyte were prepared from the epididymal, inguinal and perirenal the fat pads of male normal, healthy, 15 - 20 days sprague - dawley rats. the preadipocyte grew better under the condition of 37, 95 % humidity, 5 % co2, ph 7. 0 - 7. 2, centrifuged at 1000r / min, m199medium, and 10 % fetal bo vine serum, seeded at a density of 4 l04, 5 l04, / cm2. oil red o staining was the special method to distinguish adipocyte from other cells, gimsa and he could determine the stage of the adiopcyte differentiation through the number of lipid drop, size and the position of the nucleolus of the staining fat cell

    經過多次實驗，確定本實驗室大鼠前體脂肪細胞的最佳培養條件是：溫度為37 ，濕度為95 ， co _ 2濃度為5 ， ph值為7 . 0 7 . 2 ，離心力為1000r / min ，培養基為m _ （ 199 ）培養基，胎牛血清濃度為10 ，合適細胞接種密度為4 10 ~ 4 、 5 10 ~ 4個/ cm ~ 2 ，染色結果表明：油紅o染色是鑒定脂肪細胞的特異方法， gimsa和he染色可根據不同區域染色程度、著色差別判斷細胞核的位置及脂滴大小、多少，觀察大鼠前體脂肪細胞分化過程中的形態變化，進而確定脂肪細胞的分化階段。
  7. In light of current using situation and drawing on the experience of many scholars researched methods and viewpoints, this thesis made com land, fallow land, orchard, grass land as experimental field in black soil region jlau, which carried out experiment by applying different amounts of n and p fertilization in corn field. by means of collecting the samples of rainfall runoff, erosion silt and surface layer soil before and after rainfall for one year nature precipitation in field, we study the effect of surface runoff on n and p nutrient and fertility degeneration. the results showed : ( l ) there are lots of factors which affect soil erosion and losses of n and p, in which rainfall and rainfall intensity were more important, while rainfall intensity is the most important meteorological phenomena factor

    針對當前黑土利用現狀，本文借鑒眾多學者的研究方法和觀點，在吉林農大黑土區選擇利用方式不同的玉米地、休閑地、果園、草地，在玉米區進行了不同數量的施肥，通過野外試驗，採集一年自然降雨產流及泥沙樣品，同時採集降雨前後的耕層土壤樣品，研究了黑土區地表徑流對氮磷養分特徵及肥力退化的影響，結果表明：土壤侵蝕和氮磷的流失受諸多因素的影響，降雨量、降雨強度是重要因子，而降雨強度是影響農田地表徑流養分流失的最重要的氣象因子，特別是暴雨，暴雨徑流中氮磷濃度較平時高得多；隨作物生長，覆蓋度逐漸增加以及不同利用方式下表現的覆蓋度差異，氮磷流失都表現為顯著的差異。
  8. Entering the data of vcm concentration for 10 years and data of worker health status, and computing accumulated exposure dosage for each worker, and classifying the exposed workers into higher, middle and lower subgroups according to the dosage were carried out

    方法選取某廠238名職業接觸氯乙烯人群和212名非接觸人群，登錄該廠歷年氯乙烯濃度監測資料，以及工人健康監護資料，將暴露人群按累積接觸劑量分為未接觸組和低、中、高接觸組，比較接觸組間和接觸組與對照組間工人的癥狀和體征方面的差異。
  9. The genotype is a main factor in the genetic transformation via agrobacteriwn - mediated. the results of orthogonal experiments of the factors which affect mainly the transformation illuminates that the erniuxin genotype + bacterium 15 x + explant + dip - dye is the best one. the cocultivation time is 28 days. the experiment shows that : the erniuxin cotyledon regeneration frequency is very high, and that the dongnong901 hypocotyl regeneration frequency is very high

    確立了農桿菌介導轉化過程中基因型是影響轉化率的主要因素。通過極差分析，基因型為「二牛心」 ，菌液濃度15倍的，外植體為子葉，感染方法為浸泡法是最佳的組合。農桿菌與外植體共培養的時間為28h 。
  10. Aiming at the difficulty of the titer measurement and ending judgment, the dissertation brings forward the resolution project and presents the collectivity design

    針對滴定法中滴定劑耗用量測量與終點判斷容易產生較大誤差這一問題，提出了解決方案，給出了濃度測定儀的總體設計方案。
  11. Veneer dyeing can improve wood visual characteristics and imitatethe color and luster of precious wood species, to increase the decorative effect. the veneers of hardwood species such as % populus tomentosa, paulownia elongata % were adopted to make dyeing experiments by using acid dyestuff. the result shows : the acid dyestuff in textile industry could be used in wood dyeing process. compound dyeing can be adopted by using the mixture of several kinds of dyestuff. the different treatment methods before the wood was dyed affects the dyeing effect of wood. there is a great difference in the deformed degree of dyeing veneers, smooth level has a relation with wood density. the density of dyestuff, dyeing time and dyeing temperature and so on have many influences on dyeing effect. different technological process has been used in veneers of different wood speicies

    木材單板染色有利於改善木材視覺特性，可以實現模仿珍貴樹種木材的色澤，提高裝飾效果.該研究選取毛白楊和泡桐等闊葉樹種木材單板採用酸性染料進行染色實驗，結果表明：紡織工業用酸性染料可用於木材染色，也可以採用幾種染料混合復合染色；木材染色前的不同處理方法影響木材的染色效果；染色單板的變形程度有較大差異，平整度與木材密度相關；染料濃度、染色時間和染色溫度等對染色效果有較大的影響，不同樹種單板應採用不同工藝
  12. Methods and strategies of study on concentration polarization and membrane fouling

    研究濃差極化和膜污染過程的方法與策略
  13. This paper mainly summarized some recent developments about the technological research on controlling methods of concentration polarization and membrane fouling in microfiltration and ultrafiltration

    摘要本文較全面的介紹了微濾和超濾過程中濃差極化和膜污染的各種控制方法，並比較了各種方法的優缺點。
  14. Study on laser absorption spectroscopy for measuring gas of mine

    差分吸收光譜法測量大氣痕量氣體濃度誤差分析及改善方法
  15. 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。
  16. The results show that coincidence detection method has obvious benefit in detecting nuclear warheads. for the same type warhead, the coincidence counts rates of the model of warhead of heu pit is 10 times as big as that of fake warhead of natural uranium pit. if we know the nuclear warheads configuration by other methods, the method of coincidence neutron detection could be used to distinguis h the fake nuclear warheads from the reals

    計算表明用探測符合中子的方法探測核彈頭對區分真假核彈頭有明顯的優點，對于同一核彈頭模型，裂變彈芯是高濃鈾和用天然鈾替代高濃鈾時，符合中子計數相差1個量級，如通過其他途徑了解核彈頭的大致結構，符合測量的方法就可以有較高的置信度分辨真假核彈頭。
  17. For the cdznte spectrum with worse resolution, the analysis results show that the method can distinguish high - enriched uranium and low - enriched uranium, and work out the enrichment data in low precision

    對能量解析度較差的cdznte能譜而言，該方法能夠較好地區分高濃鈾和低濃鈾樣品，並在較低的精確度下給出了鈾富集度的數據。
  18. Between the slim breasts the hair was dark, almost black. but at the root of the belly, where the phallos rose thick and arching, it was gold - red, vivid in a little cloud

    在他纖細的兩乳間毛色是暗的，差不多黑的，但是在小腹下那法樂士舉起的地方，濃濃地一小叢的毛色是金赤的，發亮的。
  19. Moreover, there are good fitted power function relationship between thermal conductivity and soil water content, soil water suction and salt concentration. meanwhile, based on the measured data of soil water content and soil temperature distribution under temperature - controlled conditions, according to philip ' s empirical equation, through difference method, the water diffusivity under temperature gradient was calculated, which can be expressed as a power function of temperature

    此外，研究表明，導熱率與土壤含水率、土壤水吸力、含鹽濃度之間均存在良好的冪函數關系；在取得一定溫控條件下的土壤水分與溫度分佈實測資料的基礎上，根據philip經驗方程，通過差分法計算得出溫差作用下的水分擴散率，該參數可表示為溫度的冪函數形式。
  20. Glass in building - insulating glass units - long term test method and requirements for gas leakage rate and for gas concentration tolerances

    建築玻璃.絕緣玻璃組件.長期試驗法以及漏氣率和氣體濃度公差的要求
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