水碳比 的英文怎麼說

中文拼音 [shuǐtànbǐ]
水碳比 英文
water to carbon ratio
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 碳 : 名詞[化學] （非金屬元素） carbon （c）
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  1. The order of four soil biochemical intensity being sensitive to heavy metal pollution indicated as : nitrification > nitrogen fixation > decomposition of cellulose > ammonification. however, soil microbial biomass c : n ratio increased with the increasing of heavy metals level

    幾種生化作用強度的下降順序為硝化作用固氮作用纖維素分解強度氨化作用；但土壤微生物生物量碳氮比則隨著重金屬污染水平的升高而增加。
  2. On the whole, the tr and gs of leaf of anthurium andraeanum lind decreased under elevated [ co2 ] and wue increased, these might be beneficial for the increase of pn and chlorophyll as well as accumulation of organic compounds which promoted plant growth and florescence and flower leaf area, furthermore, the improvement of quality

    總之， co :加富條件下紅掌葉片的氣孔導度與蒸騰速率降低，水分利用效率增加，凈光合速率提高，有利於碳水化合物的積累，促使紅掌的各項生長指標（株高、葉面積、生物量）提高，開花比率提高，佛焰苞面積增大，提前且延長了花期，提高了紅掌的觀賞品質。
  3. Animals contribute a smaller proportion of soil carbohydrates.

    土壤中比較小的一部分碳水化合物是由動物提供的。
  4. Soil eoc1 under broad - leaved stand increased gradually with temperature and reached the maximun in july and september. a more flat curve of soil eoc1 was observed in masson pine stand with a peak in july

    從0一20厘米至60一80厘米，整個剖面上各層土壤水溶性有機碳占土壤總有機碳比率均是杉木林最高，闊葉林次之，馬尾松林最低。
  5. The effort of manganese removal was studied and the kinetics of manganese removal was tried to establish. the factors of dissolved oxygen concentration, fe2 + concentration, ph, p concentration and closing of the filter were studied to evaluate their effort for biological manganese removal, and the correlation of residual manganese and oxidation - reduction potential was also discussed. as the iron content of water was high, experiment results showed that the reaction was zero order, as the iron content of water was low, the reaction was first order. the time needed for the cultivation of biological manganese removal was 60 70 days. the filter operated at the filtration rate of 8 10m / h, silica sand of effective size 0. 95 1. 25mm filled the filter to a depth of 1200mm

    試驗結果表明，成熟后濾砂表面濾膜的x射線衍射圖譜與mno _ x ? 5h _ 2o （ x = 1 . 86 ）的x射線衍射圖譜一樣，濾膜成熟后的結構在進水物質不發生變化的情況下不發生變化;合適的碳磷比對生物除錳有明顯的促進作用，試驗條件下的投磷量不會對出水造成二次污染;生物除錳需要亞鐵的參與，亞鐵的存在除了能夠促進微生物分泌胞外酶並刺激其活性外，還通過鐵離子的變價傳遞電子，催化錳離子的氧化反應，從而促進對二價錳的降解。
  6. Among of them, carbonate rock is the primary type of them, it is the product of stable platform facies of marine. we study the geochemical characteristic of carbonate rock of lower palaeozoic burial hills in the regions of zhuangxi and chengdao and find that the calcite fillings in cave or vein have high value of 87sr / 86sr, low value of 13c and 18o and high mn content among of different structural components. so it has been exposed to be dissolved by meteoric water on supcrgene diagenetic stage

    通過對樁西、埕島地區下古生界碳酸鹽巖的地球化學特徵研究，表明在巖石的各種結構組分中，洞或脈中的方解石充填物具有顯著較高的~ （ 87 ） sr ~ （ 86 ） sr比值，較低的~ （ 13 ） c 、 ~ （ 18 ） o和較高的mn含量，其所經歷的重要巖溶作用是大氣淡水成巖作用，發生的時間為表生成巖階段。
  7. The roto - jet pump is a new kind of very low specific speed pump which is developed in recent years. it is always used in carbin black, food production, chemical industry and deep well mining system to supply the steady outflow with low flux and high pressure

    旋轉噴射泵是近些年才發展起來的一種極低比轉數泵，主要用在碳黑、食品、化工以及深井采礦系統中用以提供小流量高水頭的穩定出流。
  8. The growth of f - 16 and the production of enzyme were affected by microbial medium, including c source, n source, mineral, initial ph of medium, rotating rate, culture time and culture temperature. the results showed that the optimal n sources were peptone, corn steep liquor and yeast extract ; the optimal c sources were sucrose, glucose and maltose ; the optimal minerals were mgso4 7h2o, khpcu and cuso4 5h2o

    實驗表明，氮源中蛋白腖、玉米漿、酵母粉比較好；碳源中蔗糖、葡萄糖、麥芽糖這三種糖對產酶和生物量提高效果顯著；無機鹽中mgso _ 4 ? 7h _ 2o ， k _ 2hpo _ 4 ， cuso _ 4 ? 5h _ 2o對產酯酶的酶活及其反應后所得水解液的光學純度有較好的作用。
  9. The degrees of crystallinity of pure ptfe under the different conditions of water cooling, air cooling and furnace - varying cooling were made comparison by xrd. the thermal stability of pure ptfe and solid lubricant was analyzed by dsc - tg ; the composition and valence state of elements in the surface of carbon fiber, solid lubricant before and after friction test and lubricant transfer film were characterized by xps ; the frictional property of solid lubricant was tested by pin and disk test rig. the frictional wear property of solid lubricant between embedded bearing sleeve and steel axle friction pair ring was tested by special simulate test machine, the hardness of solid lubricant was tested by pm ; the compression strength of solid lubricant was tested by material test machine

    用sem表徵原料微觀結構、摩擦表面及潤滑轉移膜表面形貌：用xrd進行原料物相分析，及比較水冷卻、空氣冷卻、隨爐冷卻三種工藝條件下的純聚四氟乙烯樹脂的結晶度；用dsc - tg分析純聚四氟乙烯樹脂及固體潤滑劑的熱穩定性；用xps表徵碳纖維表面、固體潤滑劑摩擦前後表面、潤滑轉移膜表面的元素組成、價態變化；用銷盤式摩擦磨損試驗機對固體潤滑劑進行摩擦性能測試；採用專用的臺架模擬試驗機對固體潤滑劑鑲嵌軸承套與鋼軸摩擦副間的摩擦磨損性能進行測定；用萊次偏光顯微鏡（ pm ）測試固體潤滑劑的硬度；用材料試驗機測試固體潤滑劑的抗壓強度等。
  10. The researchers calculate that 20 percent of amd cases could hae been preented if subjects had consumed diets with a low - glycemic index

    經常高糖飲食的人-即飲食中的碳水化合物使血糖水平很快升高的人?與低糖飲食的人相比，患amd的機率將顯著增加。
  11. Based on the analysis about the influences of the mixing time, the penetration ratio of injected powder and the residence time of injected powder in the bath on the desulphurization process, a mathematical model which taken these three parameters into account was developed to simulate the desulphurization rate of hot metal by co - injection of magnesium - cac2 mixture, and the coupling effect between magnesium and cac2 was discussed

    在具體分析熔池均混時間、粉劑穿透比及粉劑停留時間這3個基本參數對脫硫過程影響的基礎上，建立了能體現這3個參數影響的模擬鐵水噴吹鎂粒和碳化鈣復合粉劑脫硫處理的數學模型，並討論了兩種粉劑在脫硫過程中的耦合效果。
  12. Through the comparison between freeze - drying and heat - drying, the agglomeration and the desorption of the precursor on carbon support can be alleviated with freeze - drying method. the effects on the electrocatalysts by pretreatments of carbon support, dispersant and precursor are studied. the result shows that pretreatment of the carbon support by kmno _ 4 can add oxygen - containing functional groups on the surface of carbon, which can reduce the hydrophobicity of the carbon support, and then make it much easier for carbon to dissolve in water to form suspension ; isopropyl alcohol can make the carbon support in high dispersion in the precursor solution, which can make the precursor absorbed on the surface of the carbon

    採用高錳酸鉀氧化預處理的碳載體比表面積較大，表面含氧官能團數量較多，親水性較好，有利於前軀體在碳載體表面的吸附;選取異丙醇作為預凍液中的分散劑，有利於碳載體在前軀體溶液中的分散，容易實現前軀體離子在碳載體表面的穩定吸附和分散;使用酸性pt （ no _ 2 ） _ 2 （ nh _ 3 ） _ 2作為前軀體，可以使前軀體離子和碳載體表面的酸性含氧官能團發生離子交換反應，使得前軀體離子吸附量增大，分散更加均勻，以上三種因素的選取都可以得到催化活性更高的pt / c催化劑。
  13. The protein, fat, carbohydrate, vitamin, inorganic salt, water and meal fiber in the food can not be fully utilized unless people eat diversified food with proper proportions for joint effects

    而食物中的蛋白質、脂肪、碳水化合物、維生素、無機鹽、水和膳食纖維只有「種類齊全、比例適當、協同作用」 ，才能充分發揮食物的營養作用。
  14. The scientists found that those who took two per cent of their energy intake from trans fats, instead of carbohydrates or polyunsaturated fats such as sunflower oil, had a 70 per cent greater risk of infertility through lack of oulation

    研究人員發現，那些攝入能量的2 %來自於反式脂肪酸的婦女，與來自碳水化合物或多不飽和脂肪-如葵花子油-的婦女相比，由於不排卵引起不孕的幾率增加70 % 。
  15. The comparison of stomatal parameters in leaf cuticles between two fossil angiosperms from the pliocene in west yunnan and their nearest living equivalent species indicates a little higher atmospheric co2 level at that time than the present, while carbon isotopic composition of fossil cuticles demonstrates much higher carbon isotopic discrimination and slight lower water use efficiency, showing a warmer and wetter climate than today

    摘要對滇西騰沖新近紀兩種被子植物葉片及其現存對應種的氣孔參數和碳同位素組成的綜合分析表明：當時的大氣co2濃度略高於現在水平；化石種的碳同位素分餾值高於現存對應種，但水分利用效率低於現存對應種；這證明當時的氣候條件比當前更為溫暖濕潤。
  16. Firstly, this paper analyzes the influence of some factors ( such as the water / cement ratio, types of cement, curing time etc. ) on the carbonization properties of high performance concrete as well as that of common concrete

    首先，對諸多因素（如水膠比、水泥品種、養護齡期等）對于高性能混凝土及普通混凝土的抗碳化能力影響程度進行定性和定量分析。
  17. Performance and mechanism of the carbonation resistance of flyash cement mortar with a higher water - binder ratio

    高水膠比粉煤灰砂漿抗碳化性能機理
  18. It may be the deposition of caco3 in capillary that divide the large capillary into small one. carbonation can also lower the water permeability of samples

    因此碳化將會降低水泥石和水泥砂漿的滲透性，滲透性的降低與水灰比有關，水灰比越大其降低的幅度也越大。
  19. With an increase in the surface area of the carbon filter and more activated carbon, the awts can remove more contaminants and increase the filtering capacity to 4, 700 litres, provides clean and safe water for a family of seven members for a year

    專利活性碳濾心技術，經壓縮處理的高密度碳粒擴大可過濾的面積和吸附能力，可吸附更多污染物，凈水量比前多達1 . 5倍以上，有效過濾4 ， 700公升凈水，足夠為一家七口全年供應高品質食水需要。
  20. Firstly, the experience of cfrm study is summarized and experiments are carried out to improve the preparation technics and to get the appropriate proportion of the materials used. secondly, the factors, which affect the conductivity and stability of cfrc, are investigated. and its smart property is studied with different cf contents and loading directions, and under elastic loading cycles

    其次，通過試驗，探討了碳纖維含量、水灰比、骨料粒徑、齡期、極化效應、電極形式等對碳纖維混凝土導電性、穩定性的影響；研究了碳纖維摻量、加載方向等對碳纖維混凝土機敏性的影響；並研究了在彈性范圍、循環荷載作用下，材料的壓敏性。
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