堿性氮 的英文怎麼說

中文拼音 [jiǎnxìngdàn]
堿性氮 英文
basic nitrogen
  • 堿 : 名詞1. （含氫氧根的化合物的統稱） alkali2. （碳酸鈉） soda
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 氮 : 名詞[化學] nitrogen （7號元素, 符號n）
  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. The basic nitrogen compounds include pyridines and quinolines.

    堿性氮化物包括吡啶和喹啉。
  3. 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
  4. The results are as following : the soil nutrients, such as organic matter, total n, available k and hydrolytic n, and the soil moisture under the shrubs of s. vulgaris were heterogeneously distributed

    研究結果如下：天然臭柏灌叢地土壤水分，有機質、全氮、速效鉀和堿解氮（速效氮）等養分含量的分佈具有空間異質性。
  5. Removal of basic nitrogen compounds from distilled diesel using room - temperature ionic liquid

    室溫離子液體脫除直餾柴油中堿性氮化物
  6. Non-basic nitrogen-containing series include pyrroles, indoles, carbazoles and benzcarbazoles.

    不含堿性氮的化合物包括吡咯、吲哚、咔唑和苯咔唑。
  7. Surface active agents - determination of total base nitrogen - potentiometric titration

    表面活性劑.堿性氮總量的測定.電位滴定法
  8. The methods for determining total nitrogen and basic nitrides content in diesel oil are described

    摘要介紹了測定柴油中總氮及堿性氮含量的各種方法。
  9. L. p. n. steel

    低氮堿性底吹轉爐鋼
  10. This paper introduced the determination method of hydrolysable nitrogen content containing soils with automatic distillation system after decomposed distillation by alkali, and discussed the primary factors that could affect the experiment

    摘要介紹了自動定氮儀堿解蒸餾法測定土壤中水解性氮含量的方法，探討了試驗中主要影響因素。
  11. Removal of basic nitrogen compounds from light fcc gasoline by adsorption

    吸附法脫除催化輕汽油中堿性氮化物
  12. Water quality - determination of total nitrogen - alkaline potassium persulfate digestion - uv spectro photometric method

    水質總氮的測定堿性過硫酸鉀消解紫外分光光度法
  13. The decrease of organic matter and the increase of alkali - hydrolyzable nitrogen of the hydrogen treatment were higher than the control, and urease activity, nitrogen fixation arnmonification had the same tendency, and amino acids had also changed. hi addition, comparing the control, ph of hydrogen treatment was increase and eh was decrease, and microbe mass was also too

    與對照相比，氫處理培養有機質減少量小、堿解氮的增量高，脲酶活性、固氮能力、氨化作用都較強，並且不同種類的氨基酸也表現出各自相應的差異來。此外，土壤經氫處理后，土壤的ph上升， eh下降，土壤微生物生物量也呈減少趨勢。
  14. The activity of alkaline phosphatase was significantly correlated to the particle size and dissolved inorganic phosphorus negatively but opposite to organic matters and total nitrogen

    通過直線回歸分析發現，堿性磷酸酶活性與沉積物中粒徑、溶解無機磷含量呈顯著負相關，與總磷、有機質、總氮含量呈顯著正相關。
  15. Strictly - controlled operating temperature, lower space velocity, atmospheric pressure and necessary pre - treatment of the feed oil containing much bnc would help lengthen the service cycle

    在實際生產中，通過嚴格控制溫度變化，採用低空速及常壓，對含堿性氮化物較多的原料進行必要的預處理可以最大限度地延長催化劑運轉周期。
  16. Vegetation restoration also resulted in the changes of soil physical and chemical properties, i. e., the contents of organic matter, alkali - hydro nitrogen, rapidly - available potassium and the contents of fine sand, very fine sand and clay were increased significantly, while ph and the content of rapidly - available phosphorus were decreased

    植被的恢復使土壤理化性質發生了變化，與恢復前相比土壤中有機質、堿解氮、速效鉀以及細砂、極細砂、粉砂、粘粒含量顯著增加， ph值和速效磷含量降低。
  17. The average soil fertility rose in the north china plain and mid - lower yangtze river regions, and decreased in the northeast. additionally, although the north china plain saw an improvement in soil ph - value, acidification of the soil increased in the other regions

    土壤肥力數據的分析結果表明，樣本總體而言，從80年代初到2000年，除土壤速效鉀下降和土壤酸堿性有所退化外，農業上壤的有機質、全氮和速效磷平均含量都增加了。
  18. Effects of basic fibroblast growth factor on proliferation of human lens epithelial cells, nitric oxide and inducible nitric oxide synthase

    堿性成纖維細胞生長因子對人晶體上皮細胞增殖及一氧化氮和誘導型一氧化氮合酶的影響
  19. Big basic nitrogen compounds ( bnc ) molecules poisoned the active sites on external surface of the catalyst, while small bnc molecules entered pore channels of the catalyst, both caused deactivation of the active sites

    大分子堿性氮化物可以毒化催化劑外表面活性中心，小分子堿性氮化物可以進入催化劑孔道，造成催化劑活性中心全部失活。
  20. Influence of operation condition and basic nitrogen compounds in the feed oil on activity stability of the catalyst was investigated

    考察了操作條件及原料中的堿性氮化物對催化劑活性穩定性的影響。
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