活性堿度 的英文怎麼說

中文拼音 [huóxìngjiǎndù]
活性堿度 英文
active alkalinity
  • 活 : Ⅰ動詞1 （生存; 有生命） live 2 [書面語]（救活） save （the life of a person）:活人無算 （of a goo...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 堿 : 名詞1. （含氫氧根的化合物的統稱） alkali2. （碳酸鈉） soda
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 活性 : [化學] activity; active; activated活性肥料 active fertilizer; 活性酵母 active dry yeast; 活性粘土...
  1. Ammonifiers in suzhou creek can not use inorganic nitrogen and carbamide as nitrogen source ; additional carbon source and garbage lixivium have little influence on ammonifiers growth ; high content of salt and low temperature restrain ammonifiers growth ; alkalescent condition has little influence on ammonifiers, but acidic condition restrain ammonifiers growth ; the biomass of ammonifiers are not necessary correlated with the function of ammonifiers, adding glucose with 1g / l content into the water sample obviously promote the growth and function of ammonifiers. physiological groups of bacteria play significant role in the translation and

    蘇州河的氨化菌無法利用無機氮和尿素作為氮源；在營養條件充足時添加額外c源和富含有機物的垃圾浸出液對氨化菌的生長基本無影響；高鹽度和低溫抑制氨化菌生長；堿性條件對氨化菌的生長影響不大，酸性條件對氨化菌生長具有抑制作用；氨化菌生物量的消長與轉氨活性之間不存在必然聯系， 1g / l的葡萄糖對蘇州河水樣中氨化菌的數量和轉氨功能具有明顯的促進作用。
  2. Study on the isolated bacteriocin ' s property shows that the bacteriocin has good stability against temperature and ph. the antimicrobial activity is not influenced disposed for 10 minutes under 80, and only 13 % loss of activity is suffered under the temperature of 100 for 10min

    對分離出的細菌素的性質研究表明，細菌素具有較好的熱穩定性和酸堿穩定性，在溫度80處理10min對活性沒有影響， 100處理10min活性僅損失13 ，在ph3 - 10的范圍內活性變化不大。
  3. The length of alkyl, carbon chain about betaine type amphoteric surfactant affects its surface activity and other properties

    摘要甜菜堿表面活性劑的烷基碳鏈的長度對其表面活性及其它性質有不同程度的影響。
  4. The addition of calcium hydroxide in zinc electrode can reduce the solubility of zinc oxide and improve discharge capacity, cycling life and utilization of active material

    在氧化鋅中加入氫氧化鈣能顯著降低氧化鋅在堿性溶液中的溶解度，明顯改善鋅電極的放電容量、循環壽命以及活性物質的利用率。
  5. The experimental results show that the cycle of the mother liquid increases the yield of the product, the seed crystal can improve long - diameter ratio remarkably, the proper additive reduces the speed of crystal growth and make size distribution homogenize. through appending different seed crystal and bivalent lead at one time, we may receive when the content of the seed crystal is 0. 075 % and pb2 + is 20 - 50ppm, the yield of the basic magnesium chloride whisker is high and crystal shape is good. the surface active agent can improve dispersion performance of the basic magnesium chloride whisker

    研究結果表明：母液循環可以提高堿式氯化鎂晶須的產率；添加晶種可明顯的改善晶形；合適的添加劑可以降低晶體生長速度並可提高晶須的粒徑分佈；而同時加入不同用量的晶種和pb ~ （ 2 + ） ，試驗結果表明晶種含量在0 . 075 ， pb ~ （ 2 + ）在20 50ppm時，晶須的產率高，晶形好；表面活性劑對產品的分散性能有所改進。
  6. Especially for textile printing and dyeing at the special requirements, such as high - light, humidity rubbing fastness, resistance to chlorine bleaching ( reactive ), cold heap special dark stain, acid and alkali - resistant requirements of high temperature whitener we have corresponding products

    特別是針對紡織印染上的特殊要求，如高耐曬，高濕摩擦牢度，耐氯漂（活性染料） ，冷壓堆特深色染色，耐酸耐堿耐高溫增白劑等各種要求我們都有相應的產品。
  7. Blood - determinatoin of cholinesterase activity - spectrophotometric method - hydroxylamine - ferric chloride method

    全血膽堿酯酶活性的分光光度測定方法羥胺三氯化鐵法
  8. Blood. determination of cholinesterase activity. spectrophotometric method - acetylthiocholine and dithio - bis - nitrobenzoic acid method

    全血膽堿酯酶活性的分光光度測定方法.硫代乙酰膽堿-聯硫代雙硝基苯甲酸法
  9. Blood - determination of cholinesterase activity - spectrophotometric method - acetylthiocholine and dithio - bis - ( nitrobenzoic acid ) method

    全血膽堿酯酶活性的分光光度測定方法硫代乙酰膽堿-聯硫代雙硝基苯甲酸法
  10. Effects of diverse environmental factors on the growth rate ( od4oo ) and nitrogenase activity ( ara ) of the strain w12 hi nitrogen - free culture were investigated in our experiments. the results implied that the strain w12 could easily adapt to different cultural conditions : it could use various carbon sources ( especially glucose, sucrose, malic acid, mannitol ), propagate quickly and fix nitrogen at a temperature range of 15 ? to 40 ? and at 25 - 35 ? for optimum, at a ph range of 4 to 8. 5, at a saline concentration range of 0. 01 % to 1. 5 % ; low nlv " concentration had little effect on its nitrogenase activity. ara could also be detected when it grow in the culture media with 5mmol / l ntv "

    W12菌株對環境因子的適應性研究：無氮培養條件下，測定溫度、碳源、酸堿度、滲透壓對w12生長及固氮能力的影響，結果表明，在15 - 40下均能生長並表達固氮酶活性，其最適生長及固氮的溫度為25 - 35 ；能利用葡萄糖、蔗糖、蘋果酸、甘露醇等多種碳源生長並固氮，當培養基中同時存在蔗糖和蘋果酸時，細菌生長和固氮活性最強；在偏酸和偏堿的條件下（ ph4 . 5 - 8 . 5 ）均能保持較強的生長勢和較高的固氮酶活性，並能通過調節自身代謝平衡並適應環境的酸、堿性變化，使培養液趨于中性：能耐受較高的滲透壓，培養液中卜、 5 naci濃度對其生長和固氮酶活性影響不大，當naci濃度升至2時，菌株的生長勢及固氮酶活性才有所下降：低濃度的鉸對其固氮酶活性影響不大，在0
  11. ( 1 ) for the first time, compositing the chemical compounds of alkaline - earth metal with the adsorption material, 13x molecular sieve, silica gel, and activated alumina to gain a series of composite adsorbents with good performance that higher adsorption capacity and lower regeneration temperature and suitable for adsorption refrigeration systems that can be driven by low - grade thermal energy

    首次將堿土金屬化合物及其鹽類與傳統吸附材料13x分子篩、硅膠和活性氧化鋁等復合，制取具有較高吸附量和較低再生溫度的適合於以低溫熱能驅動的吸附製冷過程的一系列優良復合吸附劑。分別在自製的吸附製冷、除濕製冷模擬實驗裝置上，測得該系列復合吸附劑與水和乙醇組成的吸附製冷工質對的吸附製冷性能以及除濕製冷性能均優于傳統吸附劑（ 13x ，硅膠和活性炭） 。
  12. Results came as follows : in this dissertation, we found that it was the smallness of the positive electrode capacitance that limits the performance of carbon based supercapacitors in alkaline electrolytes, and the performance could be meliorated if the active material loaded on positive electrode increased. activated carbon electrode was proved to have good capacitor performances in neutral electrolyte such as ammonium sulfate solution and ammonium nitrate solution, but a correlated problem is the corrosion of the metal current collector

    本文通過考察活性炭電極在堿性電解液中的電極行為，指出活性炭電極在堿性溶液中正極性能較差是影響碳基超級電容器性能的重要因素，增大正極活性物質的載量能夠使電容性能得到一定程度的改善，同時發現活性炭電極在硫酸銨和硝酸銨等中性電解液中具有優越的電極性能，但存在金屬集流體的腐蝕問題。
  13. Capsaicinoid was purified from the extracted capsicum by activated carbon, and the total amounts of three capsaicinoid components was quantitatively determined by rp - hplc. the purity of capsaicinoid is 97. 2 %

    摘要使用活性炭純化辣椒堿粗提物， rp - hplc定量測定辣椒素樣品中主要成分。在優化條件下得到辣椒素提取物純度為97 . 2 % 。
  14. Experiments are reduced by quantitative structure - activity relationship, then a lot of work, money and time is saved. camptothecin derivatives are a kind of prospective anticancer medication. experiments suggest support vector regression is

    然後應用支持向量回歸方法預測了芳香烴化合物生物降解度與喜樹堿化合物抗腫瘤生物活性，得到了較好的結果。
  15. Quantitative structure - activity relationship is a method building a statistical model. the model can quantificationally predict structure - activity relationship of molecule, and bioactivity of new molecules can be known. structure of molecule, which is described by parameters in physical chemistry, biochemistry and quantum chemistry, includes functional group, minor structure, molecular fragment, chemical composition

    本文提出了一種定量構效關系的處理方法，即應用支持向量回歸方法解決定量構效關系，並且應用這種方法預測了芳香烴化合物生物降解度與喜樹堿化合物抗腫瘤生物活性，取得了比較令人滿意的結果。
  16. The paper studied three aspects of extracelluar enzymes in sediments of the tidal flat wetland, namely 1 ) the distibution of five sorts of extracellular enzymes in sediments in the east end of chongming island along the elevation gradient or community succession series, the relationships between the activities of enzymes and the ecological factors, and functions of extracellular enzymes in the process of community succession ; 2 ) the effects of the heavy metal ions and edta on the activity of alkaline phosphatase in sediments of the east end of chongming island by adding and removing of heavy metal ions, discussing whether the activities of extracellular enzymes could be taken as the indicators for the environmental status ; 3 ) the variations of the activities of extracellular enzymes in sediments in the east end of hengsha island after the discarding clay

    本文以長江口典型濕地?崇明東灘為例，首次研究了沿高程梯度或沿植被演替系列沉積物中堿性磷酸酶等五種胞外酶活性的空間分佈規律，分析了胞外酶活性與環境因子的相互關系及其產生機制，討論了胞外酶活性在濕地植被演替中的作用。同時以崇明東灘沉積物為對象，運用重金屬離子的添加和去除等方法，研究了重金屬離子對沉積物中堿性磷酸酶活性的影響，利用胞外酶活性的變化探討了崇明東灘重金屬污染的狀況。此外，本文還研究了橫沙東灘吹泥試驗工程對沉積物環境因子和胞外酶活性的影響並進行了對比分析。
  17. The yield of ac decreases with the increase of koh, activating temperature and activating time while at first the amount of iodine adsorption increases then decreases. the amount of iodine adsorption of ac reached maximum when the ratio of koh to anthracite, activating temperature and activating time are 5, 750 c and 1. 5 hours respectively

    隨著堿炭比的增加，活化溫度的升高，活化時間的延長，所得活性炭的收率減少，碘吸附值則呈先增大后減小的變化規律，在堿炭比為5 ，活化溫度為750 ，活化時間為1 . 5h時，活性炭對碘的吸附出現峰值。
  18. In this paper, the high surface area activated carbon ( hsaac ) was prepared from low - ashed anthracite by the activation of koh. the influences of the ratio of koh to anthracite, the activating temperature and activating time on yield, adsorption properties, pore structure and capacitance characteristic of hsaac had been investigated. based on these, the technologic methods and conditions of controlling structure and properties of hsaac have been established

    本文以超低灰無煙煤為原料，採用koh化學活化法制備高比表面積活性炭（ highsurfaceareaactivatedcarbon ，簡稱hsaac ） ，系統考察了堿炭比，活化溫度和活化時間等工藝因素對hsaac的收率、吸附性能、孔結構和電容特性的影響，確立了調控hsaac結構和性能的工藝方法和工藝條件。
  19. Results show that basic parameter can determinate content of c3s in steel - making slag powder ; however, it can not determine cementitious property of steel - making slag. cementitous property of steel - making slag powder is determined by mineral composition calculated from chemical composition and treating process, which means intrinsic cementitous property of steel - making slag is determined by total content of active mineral composition, c2s, c3s, c4af and c3a, and content of ca ( oh ) 2 marking loss of active mineral

    研究結果表明，堿度僅能反映鋼渣中c _ 3s的含量，並不能完全反映鋼渣的膠凝性能；鋼渣的膠凝性能取決于由化學組成計算出的礦物組成及鋼渣的處理方式，即鋼渣中活性礦物c _ 2s 、 c _ 3s 、 c _ 4af及c _ 3a的總量及表徵活性損失礦物ca （ oh ） _ 2的量決定著鋼渣本身的膠凝性能。
  20. The experimental results indicated that the colour - changing ranges got narrow, and the titration accuracy was increased when an appropriate surfactant micellar solution was chosen as a titration medium

    實驗結果表明，表面活性劑存在時，酸堿指示劑的離解平衡及其變色范圍將發生改變，選擇適當的膠束溶液作為滴定介質，可以擴大酸堿指示劑的應用范圍，同時也可以提高滴定的準確度。
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