通量濃度 的英文怎麼說

中文拼音 [tōngliángnóngdù]
通量濃度 英文
flux concentration
  • 通 : 通量詞（用於動作）
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 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
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 通量 : [物理學] flux; shower
  • 濃度 : potency; thickness; concentration; consistence; strength; consistency; density
  1. Afterburner systems, designed to operate up to a stoichiometric overall mixture strength, are always fairly close to combustion instability or screech.

    要使加力燃燒系統在理論化學組成量的總混合濃度下還在一直工作，這樣的設計通常都很接近於不穩定燃燒或振蕩燃燒。
  2. The results showed that the mean proportion of polymorphic loci ( ppb ) of anabasis aphylla, which comprised 3 subpopulations ( 58 individuals sampled ), generated by 16 primers was 94. 56 %, the value of ppb of ceratocarpus arenarius, which had 4 subpopulations ( 80 individuals sampled ), using 16 primers was 98. 00 %. the paper had proved that the higher genetic diversity and the genetic differentiation existed in the populations of boih anabasis aphylla and ceratocarpus arenarius, while the latter had much more genetic diversity than the former. moreover, the study discussed the shannon information index and nei ' s gene diversity index of the two species natural populations, which indicated that there were more genetic variations within the subpopu

    另外，通過rapd資料的聚類分析及相關性分析研究，發現無葉假木賊和角果藜自然種群的遺傳結構與綠洲沙漠過渡帶的微生境生態因子（主要是土壤因子）相關，其中無葉假木賊亞種群遺傳多樣性水平不僅與土壤含水量（ w ） 、鉀鈉離子濃度（ k + na ）和氯離子濃度（ cl ）呈顯著的正相關（ p 0 . 05 ） ，還與土壤中有機質（ som ） 、全氮（ nt ）和全磷（ pt ）含量呈顯著的負相關；同時，角果藜種群的遺傳多樣性水平與土壤中有機質（ som ）和全氮（ nt ）含量呈顯著的正相關，而與co _ 3 ~ （ 2 - ）濃度呈顯著的負相關；除此之外，其它土壤生態因子與兩物種遺傳多樣性水平的相關性均不顯著（卜0 . 05 ） 。
  3. Shake - flask culture condition of lysine fermentation were studied with czl. appropriate feeding of organic niteogen sources was favorable for fermentation jn our experiment, the concentations of the yeast extract and beef extract were 15g / l and 25g / l. the initial ( nh02so4 and glucose concentrations suitable for fermentor production ranged form 55g / l and 150 - 180g / l respectively

    通過搖瓶發酵實驗初步確定czl的發酵條件為：初糖： 150 - 180g / l ，採用無機氮源和有機氮源配和使用，最佳組合是：硫酸銨質量濃度為55g / l ；酵母膏質量濃度為15g / l ，牛肉膏質量濃度為25g / l為最佳。
  4. The primary results showed : using m199 as diluents containing 20 % bovine serum, it is better to freeze the cells slowly freezing at fist then increase freezing speed ( for example, from 0 to - 6 freezing speed is about - 0. 05 a minute, from - 6 to - 40, freezing speed is about - 0. 5 a minute ), studies on effect of various concentration of dmso demonstrate that about 12. 5 % dmso gave the highest post - thaw percentage of viable cells. the concentration of bovine serum had no different effect on the percentage of the viable embryo cells of misgurnus auguillicaudatus. the embryo cells derived 6 from the later stage of blastula offish is more resistant to the cryogen than the cells of early stage of blastula. the cells preserved in liquid nitrogen at - 196 were thawed and cultivated, a few cells were found adhere to the surface of culture vessel when the percentage of viable cell was more than 30 %. the cells in only two culture vessels were found to proliferated and gave rise to many small morphologically undifferentiated cells

    研究初步表明:以細胞培養液m199 （含2既的小牛血清，常規量雙抗）為凍存稀釋液對泥鰍胚胎細胞冷凍保存宜採取先慢后快的方式（例如，從0一一6 ，凍存速度為一0 . 05 / min ，再以一0 . 5 / min的速度從一6一一40 ） ; dmso的保護效應濃度為12 . 506左右;小牛血清的濃度對泥鰍胚胎細胞的成活率影響不明顯;囊胚晚期細胞抗凍性比中早期強;通過對不同批次的凍存細胞解凍培養，解凍后成活率為30 %以上細胞培養數天後均有少數細胞貼壁，但只發現兩瓶培養細胞有明顯增殖現象產生許多未分化的小細胞。
  5. The city workers were also given an audio - visual tour of london ' s only roman amphitheatre. study leader professor angela clow, from the university of westminster, said : " measurement of cortisol in saliva is an effective way of quantifying a person ' s stress levels

    此項研究的負責人，英國威斯敏斯特大學的安吉拉克洛教授對此表示： 「通過測量唾液中的皮質醇濃度可以有效地判斷一個人的壓力水平。
  6. In the model the film thickness in the passage was obtained at first using two phase flow theory ; then, similar analysis solution of concentration distribution of the pollutant in liquid phase and biofilm was obtained through mass component equation of pollutant in gas - liquid phases combined with the biochemical kinetic equation of mass transfer in biofilm and dismission of oxygen limited ; at last, the distribution of pollutant along the filter height and the waste gas purification efficiency were obtained

    該模型首先運用兩相流理論獲得了通道內液膜厚度，然後通過污染物在氣相、液相的質量組分方程，結合生物膜內的傳質與不?慮氧限制的生化反應動力學方程，獲得了污染物在液相和生物膜中濃度分佈的近似分析解，最終得到污染物在氣相中沿塔高的濃度分佈及廢氣凈化效率。
  7. Abstract : abstract effect of alumina concentration, mole ratio and magnesium fluoride content on electroosmosis ni the aluminum smelting is investigated through test, and electroosmotic matter and depth analyzed by electronic probe and x - ray diffraction

    文摘:通過試驗考察了氧化鋁濃度、分子比及氟化鎂含量對鋁電解電滲的影響，並通過電子探針和x -射線衍射分析了電滲的物質，電滲的深度。
  8. A side stream is recycled to the external feed stream of the column through an equilibrator as an internal feed stream. the simulation results indicate effects on the characteristics of cryogenic distillation column. consideration is given to the behavior and characteristics of the set of ordinary differential equations

    3 、分析了濃度極稀物系動態精餾模型的特點，建立了此類物系動態模型的求解策略，通過對模型中狀態變量的轉換，使原本剛性較強的微分方程組轉化為一非剛性的常微分方程組。
  9. In order to improve the performance of the maleic anhydride - co - acrylamine copolymer water - reducing agent, the copolymer is monoesterified with the polyethylene glycols. the fluidity of the esterified copolymer has been increased 60 %, and it has good retarding performance

    通過對不同條件下得到的共聚物的酯化產物的性能的測試得到初始中和度、引發劑用量、反應物濃度、反應溫度與酯化產物性能的關系。
  10. Molal solution are normally used when the physical properties of solutions, such as vapor pressure, freezing point and boiling point, are involved.

    在涉及溶液的物理性質如蒸汽壓，冰點和沸點時，通常使用重量克分子濃度。
  11. Fermentation experiments on the level of 5l, 20l and 80l jars were carried out. the inceptive glucose condensation was kept and controlled below 1 % through the supply of glucose during the fermentation period. the productivity was improved 40 % compared with the common fermentation technics after the optimization

    經5l ， 20l和80l發酵罐發酵實驗，在確定不改變初始糖濃度的情況下，通過補糖保持發酵液中糖濃度不低於1 ，結合發酵後期補糖方案，可比常規發酵的產量提高近40 。
  12. Effect of co2 concentration and photosynthetic photo flux density on photoautotrophic capability and peroxidase activity of ipomoea batatas lam in vitro

    2濃度和光合光量子通量密度對葉用甘薯組培苗光合自養和過氧化物酶活力的影響
  13. Conclusion we should avoid exposure to it during the periods of high radon concentration in our life and work, keep room ventilating, take measures to reduce radon concentration in lower floors, fur the tall buidings

    結論在日常活動和工作時應該盡量避開氛濃度較高的時間段，室內應經常通風，對高層建築物應重點作好較低樓層的降氮工作。
  14. In our experiment, after light and dark adaptation, the retina of the macrobrachium rosenbergi was respective incubated in high calcium solution, physiological solution and low calcium solution. we studied the effect of calcium concentration on the content and subcellular localization of gq protein a subunit in the photoreceptor cell of macrobrachium rosenbergi on light adaptation and dark adaptation by sds - page technology and imunoelectron microscopy technology. our study results indicated : 一 、 effects of calcium concentration on the soluble gq protein a subunit in the photoreceptor cell of macrobrachium rosenbergi on light adaptation and dark adaptation

    而鈣離子對gq蛋白亞基活性有無影響還未見報道。我們以光適應和暗適應條件下的羅氏沼蝦復眼視網膜為材料，分別用高鈣溶液、生理溶液、低鈣溶液孵育后，通過sds ? page電泳技術及免疫膠體金電鏡技術，研究鈣離子濃度對光暗適應時羅氏沼蝦感光細胞gq蛋白亞基含量的影響及亞基亞細胞定位的影響。
  15. The iron doped tio2 thin films showed almost no photocatalytic activity for the photodegradation of no in the gaseous phase when the calcination temperature was lower than 400 c. this was due to the fact that the phase structure of the film was amorphous. at 400 c, the film appeared obviously photoactive du

    對于用液相沉積法所制備的tio :薄膜，薄膜中的si （或fe ）含量和薄膜的厚度可通過調節前驅體濃度、溶液的ph值、基片的沉積溫度和沉積時間，薄膜的熱處理溫度和時間進行有效地控制。
  16. The study conducted research on the following four fields : firstly, the characteristics of the interfacial polymerization system of piperazine aqueous solution / trimesoyl hexane solution were systematically investigated. the results show that at a certain molar ratio between the two monomers, piperazine and trimesoyl, at the two phase interface, a dense functional layer of ultra low pressure, high permeating flux and high salt rejection formed by controlling the time of interfacial polymerization, such as the composite membrane ( i ), the concentration in water phase is 0. 4 %, and 0. 1 % in organic phase, and the polymerization time is 1 minute

    本文主要進行了四個方面的研究，首先系統分析和研究了哌嗪水溶液均苯三甲酰氯正己烷溶液界面聚合體系特徵、界面聚合反應中各影響因素對膜性能的影響等，結果發現，當界面處兩相單體（哌嗪和酰氯）分子摩爾比為某一比值時，通過控制界面聚合時間（有機相處理時間） ，可以形成超低壓高通量高脫鹽的緻密功能層，如復合膜（ ） ，水相濃度為0 . 4 ，有機相濃度為0 . 1 ，聚合時間1min 。
  17. To investigate the space / time distributions and occurrence and evolution of such events, the diffusion pattern over deserts, turbulent transfer features in sandstorm weather, the particle size distribution, mass concentration and its distribution, optic properties, chemical composition and physical factors responsible for the initiation of raising sands, we made integrative observation and sounding of sandstorms deep in the large - scale desert area, including tengri, badanjilin and maowusu, with the items consisting of micrometeorological measurement, 3d wind observation, data from kb - 120 and anderson samplers of mass concentrations of sands with their spectrum, the distribution of aerodynamic particle sizes from the aps3310a, retrieval of aerosols " optic depth from sunphotometer data, assay of the chemical composition by means of neutron activiation analysis ( naa ) and integrated study of all related factors for causing sandstorm to occur, based on the observations of all kinds

    利用所取資料，系統分析了不同強度沙塵天氣條件下沙塵氣溶膠質量濃度和質量濃度譜、粒子譜分佈、光學厚度、化學組分等特徵；綜合分析了影響沙塵起動的諸物理因子在沙塵起動中的作用；用沙塵輸送模式對一次沙塵暴天氣造成的泥雨過程的形成機制進行了模擬。歷史氣象資料統計分析表明，沙塵暴有其高發期（ 4 、 5月）和高發時段（ 14 - 20時） ， 14時到20時之間發生的沙塵暴約占沙塵暴總次數的66 。揚沙和沙塵暴天氣條件下，湍流動量通量和湍流感熱通量都是重要的湍流交換，沙塵暴發生前近地層的超絕熱不穩定對沙塵暴天氣有加強作用。
  18. Improving the quality of moromi and the ratio of raw sauce output by the way of change the brew condition 、 the way of administration 、 strains of production, the quantity and the concentration of the koji making mixture salt water in the process of high salt diluted state fermentation to make high natural brew soy sauce

    本文通過改變和調整高鹽稀發酵醬油工藝的發酵條件、管理方法、生產菌種以及拌曲鹽水量、濃度等達到提高醬醪質量及生醬油出品率的目的，從而生產出高檔本釀造醬油。
  19. 1 ) the number of sandstorm days from 12 weather stations in the helanshan zone is documented, indicating that the events can happen on the east and west sides of the ranges all the year round, with high frequencies in april to may, averaging 3. 2 and 3. 1 days on the west side, respectively and with the eastern high frequency in april, averaging 2. 0 days. also, analysis reveals that the high frequency period for eastern station yanchi and western guaizihu is april, with 5. 4 and 5. 2 days, on average, respectively

    銀川、巴音浩特和通古淖爾三地背景大氣沙塵氣溶膠粒子的數濃度譜和質量濃度譜均呈單峰型，服從對數正態分佈，與城市污染物氣溶膠的三峰、雙峰質量譜明顯不同。浮塵、揚沙、沙塵暴天氣條件下，平均數濃度和質量濃度是依次增加的，可相差4 - 7倍。沙塵氣溶膠粒子譜分佈還與地理位置有關。
  20. Compressed air for general use - test methods for solid particle content by mass concentration

    一般用途壓縮空氣.通過質量濃度測定固體顆粒含量的試驗方法
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