氮堿 的英文怎麼說

中文拼音 [dànjiǎn]
氮堿 英文
nitrogen base
  • 氮 : 名詞[化學] nitrogen （7號元素, 符號n）
  • 堿 : 名詞1. （含氫氧根的化合物的統稱） alkali2. （碳酸鈉） soda
  1. Adenine a nitrogenous base ( 6 - amino - purine ) found in dna and rna

    腺嘌呤：在dna和rna中發現的含氮的堿基（ 6氨基嘌呤） 。
  2. 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。
  3. Standard test method for polyurethane raw materials : determination of basicity in polyols, expressed as percent nitrogen

    聚氨脂原材料的標準試驗方法:可以表示為氮的百分量的多元醇中堿度的測定
  4. Effects of removal of the shoot apex and leaf wounding on nitrogen uptake and nicotine production were studied with tobacco plants grown in sand or hydroponic medium under the controlled conditions

    摘要採用砂培和營養液培養方法，研究了在營養生長階段切除頂芽和葉片損傷對煙株生長、體內煙堿濃度、氮濃度及吸氮量的影響。
  5. The content of soil nutrients in 0 - 20cm profile is higher than that of 20 - 60cm profile. in the s. viciifolia plot, there are more organic matter, the whole nitrogen, quik - result nitrogen, quik - result kalium

    狼牙刺各樣地內， o一zocm剖面土壤養分高於20一6ocm ，土壤有機質、全氮、堿解氮高於對照撂荒地。
  6. The basic nitrogen compounds include pyridines and quinolines.

    堿性氮化物包括吡啶和喹啉。
  7. Biochemistry ) a nitrogenous molecule, either a pyrimidine or a purine, that combines with a pentose sugar and phosphoric acid to form a nucleotide, the fundamental unit of nucleic acids

    2堿基：一種含氮的分子，嘌呤堿或者是嘧啶堿，它們和戊糖還有磷酸一起構成核苷酸，核苷酸是核酸的基本結構單位。
  8. It is the optimal time for subjecting creatine to the medium when cultured to 12h and the concentration of creatine was 0. 75 %. creatine, sarcosine and choline chloride could induce the creatinase production and creatine was the optimal inducer, but creatinine and urea could not induce the creatinase production. 3 purification of creatinase the process of creatinase purification was performed as follows : first the enzyme was completely precipitated in the range of 40 - 80 % of saturation with ammonia sulfate fraction precipitation

    最佳氮源為玉米漿和蛋白腖，最佳比例為2 ： 3 ，最佳濃度為1 . 6 ；加入其它碳源時有助於菌株穩定產酶； 100ml搖瓶的最佳裝液量為15ml ；肌酸、肌氨酸和氯化膽堿都能誘導菌株產酶，其中肌酸誘導產酶的效果最好，而肌酐和尿素不能誘導菌株產酶；誘導物肌酸的最適加入時間為接種培養12小時后，最適加入量為0 . 75 。
  9. Association nitrogen fixation of rice inoculated with ammonia resistant engineering strain alcaligenes faecalis

    糞產堿菌耐銨工程菌與水稻聯合共生固氮作用
  10. Associative nitrogen - fixing bacteria in the rhizosphere of avena sativa in an alpine region isolation and identification

    蘭州地區鹽堿地小麥根際聯合固氮菌分離及部分特性研究
  11. Identification of functional bacteria showed predominant ammonifiers were shewanella, variovorax, chryseobacterium, bacillus or aeromonas ; among 4 selected nitrogen fixers, one ( azorhizobium caulinodans ) belonged to. a - proteobacteria, the other three ( serratia marcescens, klebsiella pneumoniae and citrobacter freundii ) were enterobacteriace, which belongs to - proteobacteria ; 2 nitrate reducers were aeromonas sp. and citrobacter sp.,

    對各功能菌群中的優勢菌的鑒定表明，優勢的氨化細菌為希瓦氏菌屬，產堿菌屬，黃桿菌屬，芽孢桿菌屬或氣單胞菌屬；分離到的4個優勢固氮細菌菌株中，一株為基瘤固氮根瘤菌，屬于-變形菌亞門，而另外3株都屬于腸桿菌科，歸于-變形菌亞門。
  12. Liupanshui beer co. ltd. has retrieved from bankruptcy to rapid development depending on technical innovation and improvement as follows : strengthening the control of saccharifying boiling intensity, the age of fermenting beer, filtration time, bottle washing of remnant alkali, sterilization intensity, and pressure prepare in nitrogen filling etc. ; making full play of employee ' s initiative and installing new equipments ; making control of filtration beginning time and keeping stable beer storage time at 0 ; settling the problem of beer species by high concentration dilution method ; applying low - pressure boiling system to increase boiling intensity, shorten boiling time, and increase beer non - biologic stability ; and making innovation of fermentation techniques to increase beer quality etc

    摘要六盤水啤酒有限責任公司依靠科技創新、走科技進步之路，通過加強對生產過程的糖化煮沸強度、發酵酒齡、開濾時間、洗瓶殘堿、殺菌強度、灌裝氮氣背壓等方面的控制；發揮人的主觀能動性，實施增加硬體設施；控制開濾時間，穩定控制0貯酒時間；利用高濃稀釋解決品種矛盾；採用低壓煮沸系統，提高煮沸強度、縮短煮沸時間，提高啤酒的非生物穩定性；改進發酵工藝，提高產品質量等措施，使企業實現了發展。
  13. In addition to produce high quality salt with it, it can provide electrolytic workshop ( chlor - alkali factory ) and producing shop ( ammonia and base factory ) for producing soda ash

    精製的鹵水除可以送生產高質量的鹽外，還可以直供氯堿廠電解車間和氮堿廠生產車間生產純堿。
  14. 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
  15. The organic matter, total n, hydrolytic n were increased, then reduced with the increase of abandoned time. the loss of organic c got up to 59. 4 % in abandoned land. in 0 - 20cm, the sand content of 0. 25 - 0. 05mm was increased gradually, the average content of sand in the abandoned land was up to 76. 84 %, the sand contents of silt and sand was gradually reduced, the soil mechanic compose became coarse

    隨撂荒年限的增加，土壤有機質、全氮、堿解氮等主要養分均表現出先降低后增加的趨勢；撂荒地有機碳的損失平均達到59 . 4 ；在撂荒地表面0 - 20cm范圍內， 0 . 25 - 0 . 05mm粒徑的砂粒含量逐漸增加，各撂荒地砂粒平均含量達76 . 84 ，粉粒和粘粒含量逐漸降低，土壤機械組成出現粗化現象。
  16. The soil physical composition, organic matter, total nitrogen, total phosphorus, total potassium and ph of salix psammophila ccheckerboard and contrast sand of dalate county were investigated in 2005, the effects of salix psammophila checkerboard on physical and chemical characteristics of sandy soil were analyzed

    摘要本試驗於2005年在達拉特旗測定了設置沙柳沙障的沙丘和對照樣地（未設沙障）的土壤機械組成、有機質、全氮、全磷、全鉀、酸堿度等理化指標，對比分析沙柳沙障對土壤理化性質的影響。
  17. Third, we designed a waste gas disposing equipment, through which the danger gases such as sih4 can be get rid of by the nitrogen diluting and the rinsing of alkali solution

    設計並製作了尾氣處理裝置，使設備排出的尾氣能夠經氮氣稀釋和堿水清洗而除掉其中的sih _ 4等易燃有害氣體。
  18. Evaluation of alkali dispelled nitrogen of black soil in northeast china

    東北農田黑土堿解氮現狀評價
  19. L. p. n. steel

    低氮堿性底吹轉爐鋼
  20. The soil organic content in the topsoil decreased with increase of artificial forest age. because the total n and alkali - hytrolyzable n were from mineralization of soil organic matter, their content in the artificial forest decreased with the decrease of soil organic matter

    在土壤化學性質方面，各林地土壤有機質含量表層大於底層，人工雲杉林土壤表層有機質含量隨著撫育林齡的增加而降低，土壤中全氮、堿解速效氮主要來源於土壤中有機質的礦化，其含量隨有機質的減少而降低。
分享友人
分享到 Line

分享到臉書