無氮的 的英文怎麼說

中文拼音 [wúdànde]
無氮的 英文
anazotic
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 氮 : 名詞[化學] nitrogen （7號元素, 符號n）
  • 的 : 4次方是 The fourth power of 2 is direction
  1. After analyzing purple soil sampled from neijiang, leshan ofsichuan provinec and yuanmou of yunnan province, the contrast results of microbe quantity feature between surface and subsurface purple soil were obtained as follows. the content of soil organic matter, total and available nitrogen, phosphorous and potassium of surface was higher than subsurface, not relating to the type of purple soil and soil utilization way. the quantity of microbe _ bacteria, actinomyces and mould in surface purple soil was higher than subsurface, which indicated that the organic matter and airy condition in surface soil was more suitable for microbes growing. there was the same tendency in profile change of microbe quantity in purple soil located in temperate _ humid climate of sichuan basin in contrast with dry _ hot climate of yuanmou, yunnan. the nutrient situation of purple soil in sichuan basin shown that state of surface was better than subsurface, while in yuanmou of yunnan the state was on the contrary due to the degradation of surface soil

    實驗室對四川內江、樂山和雲南元謀不同類型紫色土表層和亞表層微生物數量特性的比較分析表明：土壤有機質、氮磷鉀全量及其速效量均表現為表層高於亞表層，與紫色土類型和利用方式無關；三大類土壤微生物細菌、放線菌和黴菌數量均表現出表層高於亞表層，表明紫色土表層的有機質和通氣性優于亞表層，適宜於這三大類微生物生長；溫濕氣候條件下的四川盆地和乾熱氣候條件下的雲南元謀其紫色土微生物數量的剖面變化具有相同的趨勢，唯土壤營養狀況在四川盆地紫色土中表現為表層優于亞表層，而在雲南元謀紫色土中由於表層土壤的退化作用表現為亞表層優于表層的相反情況。
  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. Isolate all grew well in the culture medium with initial ph 4 - 10, the optimal growth temperature range was from 28 to 30. 5 degree c. it grew well on the medium for fungi growth, such as pda medium and czpek medium etc, and also grew well on the cause ' s i medium and the non - nitrogen medium, but little growth on the luria bertani medium ( lb ) and beef extract peptone medium. it did not need special nutrition factors for growth, but source of the carbon was the key factor to growth, all of its nutrition needs were different from that of common bacteria

    該菌在初始ph4 - 10的培養基中都能夠生長，生長最適溫度范圍為28 - 30 . 5 ，在pda 、查氏等真菌培養基中生長旺盛，在高氏1號和無氮源培養基中同樣生長良好，而在lb與牛肉膏蛋白腖等細菌培養基中生長很差，碳源是其生長的關鍵因子，這有別於一般細菌的營養需求。
  4. A potential fart will contain a greater proportion of inert, non - odorous nitrogen, the longer it is held inside the body

    空氣在體內停留的時間越久，尚未放出的屁中含有惰性、無臭的氮氣的比例就越高。
  5. Pcr amplification using 2 degenerate primers for nitrogenase fe protein gene was performed with chromosomal dna isolated from the 29 isolates. the result suggested that a nifh amplicon of 323 nucleotides was detected in 7 isolates and the 7 isolates are c4 c5 g1 g2, w5 t1 and t7. these pcr amplified fragments were cloned, and sequenced

    首先利用芽孢桿菌中芽孢的抗熱性將土壤溶液在100沸水中煮10 - 15分鐘，然後用選擇性無氮培養基進行初篩得到29株菌落形態不同的菌株；接著用固氮酶結構基因nifh的特異性引物對這29株菌進行pcr擴增，結果表明其中7個菌株具有nifh基因，這7個菌株的編號依次為： c4 、 c5 、 g1 、 g2 、 w5 、 t1和t7 。
  6. 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
  7. To meet the need of grain production, investigations such as property of nutrients uptake of high - yielding wheat, regularity of nutrient requirement of high - yielding maize, proper rate and ratio of npk fertilizers for high yields of wheat and maize, and rational rate and ratio of organic - n to inorganic - n in double cropping system have been conducted by shuming z. and yizhi l. et al. since 1980

    為了滿足糧食生產需要，自1980年以來，張漱茗和劉毅志等人就開始調查高產小麥養分吸收特性、高產玉米養分需求規律、高產小麥和玉米氮磷鉀肥適宜用量和比例、一年兩作制中有機氮和無機氮的合理用量和比例。
  8. The main result is as follows : 1. after erosion, the content of organic matter, total nitrogen and the available nitrogen in the sediment is more than that of soil sample. namely the enrichment phenomenon of organic matter, total nitrogen and the available nitrogen in slope cultivated land erosion soil is obvious

    黃?土受侵蝕后，泥沙樣中有機質、全氮和堿解氮的含量都高於雨前採集的坡地表層土樣，即黃?土坡耕地水土流失中有機質、全氮和堿解氮流失的「富集」現象明顯，而全磷和速效磷卻無明顯的「富集」現象。
  9. Effect of mineral nitrogen distribution in soil profiles on nitrogen use of flue - cured tobacco under different application methods

    不同施肥土壤中無機氮的垂直分佈及烤煙對氮素的利用
  10. Average annual number of phytoplankton reached 2. 20 107cell / dm3 which was 96. 4 times more than that in control monitoring station

    M湖區3不形態無機氮的平均濃度分別為： nh廠n3
  11. ( 3 ) the treatment result of no2 - n is good. when the influent concentration of no2 - n is 0. 01 ~ 2. 23mg / l, the effluent is less than o. lomg / l and the influence of temperature, hydraulic loading the total ratio of gas and water is small

    （ 3 ）生物濾池對亞硝酸鹽氮的去除效果比較好，試驗期間，水源水中亞硝酸鹽氮濃度范圍為0 . 01 2 . 23mg / l ，出水濃度一般低於0 . 10mg / l ，水溫、濾速、氣水比對亞硝酸鹽氮的去除無明顯影響。
  12. It was commented animal trial process, effects factory and results of using n - free diet method for determining endogenous ileum protein ( amino acid ) flow in pig

    摘要分別從消化試驗程序、影響測定的因素以及測定效果等三方面對無氮日糧方法測定豬回腸內源性蛋白質（氨基酸）流量進行了評述。
  13. Professor anthony chan, director of the hong kong cancer institute and chairman of the department of clinical oncology at the chinese university of hong kong, and professor qian tao, head of the cancer epigenetics and tumour virology laboratory in the sir yk pao centre for cancer, have successfully demonstrated for the first time in a group of npc patients who have failed standard therapies, that demethylation of the ebv genome can be achieved using azacytidine, a study published in the journal of clinical oncology with a leading editorial describing the work as " a model for future trials in solid tumors "

    香港中文大學腫瘤學繫系主任兼香港癌癥研究所總監陳德章教授及腫瘤學系副教授陶謙教授，最近首次成功地在一組常規治療已經無效的鼻咽癌患者身上，利用氮胞? （ azacytidine ）達致eb病毒基因的去甲基化，有關研究報告發表在《臨床腫瘤學報》上，而該期的一篇社論更形容是項研究是將來腫瘤臨床試驗的典範。
  14. Experiments in kentucky tend to show the same degree of immobilization when nitrogen is placed on crop residue or when placed below the residue layer

    但肯塔基的試驗結果似乎表明：無論把氮肥施在植物殘體上還是施在覆蓋層下，氮的固定程度相同。
  15. Within the range of 270m ~ 770m, macro - element ( total phosphate, total potassium, available potassium ), trace elements, cec and soil ph were correlated in 50m with the rage of 780m

    全氮的空間變異與間距無關，存在純塊金效應，塊金值為0 . 2 ，對于全氮，采樣間距應小於50m 。
  16. More recently, however, cyclic gmp - independent pathways have been discovered which can account for certain biological actions of no

    不過，近期的研究發現了一些由一氧化氮引起的生物反應，是與環鳥?磷酸無關的。
  17. Most of the common nitrogen source could be used by cds - 1 except nano2 & carbamide, but organic nitrogen source was better than inorganic nitrogen source in supporting the growth of cds - 1

    該菌可以利用多種常用的氮源物質，但是不能利用nano _ 2與尿素；對有機氮的利用要明顯優于無機氮。
  18. " nitrogen ： gaseous chemical element, chemical symbol n, atomic number 7. a colourless, odourless, tasteless gas, it makes up 78 % of earth ' s atmosphere and is a constituent of all living matter.

    氮:氣態化學元素，化學符號n ，原子序數7 。無色、無臭、無味的氣體，佔地球大氣的78 % ，也是所有生物體的組成部分。
  19. Melamine is the new scam of choice, they say, because urea another nitrogen - rich chemical ? is illegal for use in pig and poultry feed and can be easily detected in china as well as in the united states

    三聚氰胺是新的騙局，他們說，由於含有尿素氮的化學品是禁止在豬和家禽飼料中使用的，無論在中國或者是美國，都很容易被檢測出來。
  20. Dynamics of soil inorganic nitrogen in middle mountain moist evergreen broadleaf forest under different disturbance intensities in ailao mountain

    哀牢山中山濕性常綠闊葉林不同干擾強度下土壤無機氮的變化
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