氮細菌 的英文怎麼說
中文拼音 [dànxìjūn]
氮細菌
英文
azotobacter-
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。The rhizosphere microflora dynamics of bacteria, actinomyces, fungi and four bacterial physiological groups of kentucky bluegrass under different quality of illumination were studied by adopting selective culture medium to explain scientifically response regular of this grass to different illumination condition
摘要研究了草地早熟禾在不同光照條件下其根際與非根際細菌、真菌、放線菌以及氨化細菌、硝化細菌、好氣性纖維素分解菌、固氮菌生理類群的區系動態變化，擬從根際土壤微生物數量變化方面來闡述草地早熟禾對不同光照條件的響應規律。The nitrogen fixation in alpine meadow ecosystem is mainly accomplished by anaerobic nitrogen fixing bacteria. both ammonification and nitrification are the highest in 0 cm 10 cm soil depth
從不同植被類型土壤的表層中各生理群菌數的平均值來看，反硝化細菌的數量最高，嫌氣性自生固氮菌次之，再次為氨化菌和硝化菌。1. ecological effects of long - term organophasphate pesticides contamination on soil microflora the long - term effects of organophosphate pesticides contamination on soil microflora were investigated in the present study. little difference in total counts of bacteria, actinomycetes and fungi was observed between the contaminated and the non - contaminated soil. compared with the control there were a slight decrease in total counts of free - living nitrogen - fixer and denitrifying bacteria and a significant increase in those of ammonifying and ammonia - oxidizing and nitrifying _ bacteria in the methylparathion contaminated soil
一、甲基對硫磷長期污染對土壤微生物的生態學效應研究了有機磷農藥甲基對硫磷長期污染對土壤微生物的影響，實驗表明：土壤細菌、放線菌、真菌總的數量影響不大；自生固氮菌和反硝化細菌數量減少；氨化細菌、亞硝化細菌、硝化細菌的數量在污染土壤中卻有所增加；與對照土壤相比，污染土壤呼吸作用下降了29 . 93 ；氨化作用和硝化作用強度得到增強。On the base of degrading effect of cm, the paper investigated the correlation between microorganisms and nutrient salt in the water body. it showed that the correlation between ammonifying bacteria and nh3 - n was 0. 74 ; the correlations between nitrifying bacteria, denitrifying bacteria and no _ ( 3 ) - n were 0. 65, - 0. 53, respectively. the correlation between phosphorus bacteria and po _ ( 4 ) ~ ( 3 ) p was 0. 76
根據復合微生物對水質的降解效果，選擇其使用量為2g時，對水體中微生物功能菌群與營養鹽含量的相關性進行了研究，其中氨化菌與氨氮，硝化菌與硝氮，磷細菌與磷酸鹽均成正相關關系，相關性r分別為0 . 74 ， 0 . 65 ， 0 . 76 。The autotrophic nitrifying bacteria play a critical role in nitrogen cycle in nature
硝化細菌是一大類在自然界氮循環中起關鍵作用微生物菌群。We mensurate the number of the primary soil microbes such as bacteria, fungi and azotobacter with diluting flat technique, and mensurate the number of cellulose decomposing bacteria with mpn technique, and mensurate the biological quantity of the soil microbes with the technique of chloroform suffocating - inundation culture - colour - compared
本文以長期壟作免耕試驗田為研究對象，採用稀釋平板計數法測定了土壤中主要的微生物細菌、真菌、自生固氮菌數量，用mpn （最大或然值法）測定纖維素分解菌的數量，採用氯仿熏蒸?淹水培養?納氏比色法測定微生物生物量。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。Coralloid roots a type of root regularly produced by cycads, which contains symbiotic nitrogen - fixing cyanobacteria in root nodules, giving the roots a knobbly coral - like appearance
珊瑚狀的根：由蘇鐵類植物產生的一種類型的根，根瘤中含有共生的固氮藍細菌，使根形成珊瑚狀的有節的形狀。Cycadophyta ( cycads ) a phylum of cone - bearing gymnosperms ( about 75 living species ) with palmlike compound leaves and special coralloid roots at or near the ground surface, which contain symbiotic nitrogen - fixing cyanobacteria
蘇鐵綱（蘇鐵類植物） ：包含球果的一類裸子植物（現存種大約有75種） ，它們具有掌狀的復葉，在近地面處有特殊的珊瑚狀的根，根內含有共生的固氮藍細菌。Study on nitrate - nitrogen removal and community analysis of denitrifying bacteria in downflow fixed - bed bioreactor
下流式固定床反應器中反硝化細菌類群及其脫氮效率分析The number of mold, bacteria, culturable microorganisms, aerobic nitrogen - fixing bacteria, anaerobic nitrogen - fixing bacteria, aerobic cellulose decomposition microbes, anaerobic cellulose decomposition microbes were the most in 16 - year - old organic tea garden, and the biomass carbon and nitrification of edaphon were also the strongest
黴菌、細菌、可培養微生物總量、好氣性自生固氮菌、嫌氣性自生固氮菌、好氣性纖維分解菌、嫌氣性纖維分解菌均以16年生茶園最多，土壤微生物生物量碳和硝化作用也以16年生茶園最強。Benjamin has prepared a nitric oxide cream to treat bacterial skin infections common in developing countries, and lundberg is conducting a study at karolinska to see if giving saliva to dry - mouthed intubated patients can prevent ulcers
班傑明制備了一氧化氮軟膏，用來治療開發中國家常見的細菌性皮膚感染；隆伯格則在卡洛林斯卡主持一項試驗，看看為口乾舌燥的插管病患補充唾液是否可防止潰瘍。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。Briefly, the method includes four steps : culturing a sample to the maximum growth of autochthonous microorganism, filtering to remove the original biomass, inoculating the filtrate with certain kind of nitrogen fixing bacterium and determining the bacterial growth potential
該方法主要包括4個步驟：將樣本在合適的條件下培養，讓土著微生物得到最大限度的生長，然後過濾或離心去除初級生物量，在濾液中接入固氮細菌，並測定固氮細菌的生長潛能。The effect of long - term organic wastewater irrigation on the soil nitrogen - fixing bacteria population
長期有機污水灌溉對土壤固氮細菌種群的影響Study on associated nitrogen fixation of sev eral sympodial bamboo species
聯合固氮細菌的分離鑒定及固氮活性Ws6, the limiting nutrients of a eutrophic water sample and a drinking water sample were monitored. the results corresponded well to those from traditional algal growth potential ( agp ) test and the bacterial regrowth potential ( brp ) test, suggesting that the nfbgp test is a useful method for evaluating environmental quality
Ws6 ，對富營養水體樣本和自來水樣本進行了限制性營養因子的監測，結果與傳統的藻類生長潛力試驗（ agp ）和細菌再生潛力試驗（ b即）相符，說明「固氮細菌生長潛力試驗」是評價環境質徽的一種有用的方法。Nitrogen fixing bacteria
固氮細菌In addition, based on the fact that phosphorus is usually the limiting nutrient for nitrogen fixers, a novel method named " nitrogen fixing bacterial growth potential " ( nfbgp ) test, for evaluating limiting nutrients, was developed
此外，根據固氮菌的主要限制性因子是磷這一特性，設計了一種被稱為「固氮細菌生長潛力試驗」的評價水體限制性營養因子的新方法。分享友人