bacteria population 中文意思是什麼

bacteria population 解釋
細菌種群
  • bacteria : n. pl. (sing. Bacterium )1. 細菌。2. 〈美俚〉拳擊迷。
  • population : n. 1. 人口;人口總數;全體居民;人口的聚居。2. 物的全體[總數];【生物學】蟲口;種群(量);群體;族,組,個數;【統計學】對象總體,全域。3. 【物理學】布居;密度。4. 〈罕用語〉殖民。
  1. The population distribution of physiological groups of bacteria , including ammonifying bacteria, denitrifying bacteria, nitrobacteria and nitroso bacteria, organic phosphate dissolving bacteria and inorganic phosphate dissolving bacteria in water body and sediment of suzhou creek are studied with mpn and flat account method from jan. 2002 to mar. 2003. the role of these physiological groups of bacteria in suzhou creek aquatic ecosystem is discussed

    用最大可能數( mpn )法和平板計數法,於2002年1月2003年3月對蘇州河水體和底泥中的主要微生物功能菌群? ?包括有機磷分解菌、無機磷分解菌、氨化菌、亞硝化菌、硝化菌和反硝化菌等進行了生態調查,並分析探討了它們在蘇州河水生態系統中的作用。
  2. 2. the population of functional bacteria in water body varied with adding cm. when the use of cm was 4g, the amount of the total bacteria and phosphorus bacteria were maximum in the fourth day, the amount of denitrifying bacteria were maximum in the tenth day ; when the use of cm was 1g, the amount of ammonifying bacteria were maximum

    復合微生物的加入引起水體中的微生物功能菌群數量變化,其中復合微生物添加量為4g時,實驗第4天,總菌和磷細菌達到最高峰,第10天,反硝化菌達到最高峰;當復合微生物添加量為1g時,實驗第4天氨化菌達到最高峰。
  3. Seven plots selected from wanglang reserve were distributed in different types of forest and at different altitude, and different plot has different microclimate. soil property, microbial population, soil nutrient content of forest soil were determined in wanglang natural reserve, from may to october 2002 to july 2003, the ecological distribution of three main groups, bacteria, actinomycete and fungi were determined in the forest soils by the cell enumeration methods. six kinds of physiological groups, including ammoniation bacteria, nitrification bacteria, nitrosification bacteria, aerobic autogenesis azotobacter, aerobic cellulose - decomposing bacteria and anaerobic cellulose - decomposing bacteria were enumerated by the most - probable number ( mpn )

    2001年10月在王朗自然保護區內設立了3個定位研究樣地和4個臨時樣地,通過多次現場采樣與室內實驗分析,測定了白樺林、岷江冷杉林、紫果雲杉林、繡線菊-羊茅群落、羊茅群落及高山柳灌木叢等6種不同植物群落內土壤微生物三大類群數量、功能微生物數量、土壤養分,並在固定樣地內使用埋袋法進行了三個埋藏深度的凋落物分解袋試驗,初步研究了枝條、闊葉、針葉等凋落物組分在不同分解階段所含養分的動態變化。
  4. The metabolism and succession of microbial population took place ceaselessly during the fermentation and led to microbial polymorphism which mainly presented as anaerobe, methane bacteria, caproic acid bacteria, lactic acid bacteria, sulfate reducing bacteria, and nitrate reducing bacteria etc

    其微生物種群的多態性主要表現為厭氧異氧菌、甲烷菌、己酸菌、乳酸菌、硫酸鹽還原菌、硝酸鹽還原菌等。
  5. It may promote the development of a large population of commensal bacteria, which protect the pig from entertic infection by inhibiting the growth of pathogens

    這些纖維可以促進腸道中有益微生物的數量,這些有益微生物可以通過抑制病原菌的繁殖從而保護動物免受感染。
  6. Pathogenic organisms such as bacteria or viruses are not included as these would fit into the exogenous population processes.

    致病性有機體(例如細菌或病毒)由於它們更符合於歸入外生性種群過程的項目之內而不是被包括在其中。
  7. Ammonia - oxidizing bacteria which oxidize ammonia to nitrite is a key group of nitrifying bacteria. the population of ammonia - oxidizing bacteria is variable with the different environment

    將氨氧化為亞硝酸鹽的氨氧化細菌是硝化菌群的重要組成部分,它的種類隨生境差異而有所不同。
  8. These bacteria are transmitted through the cytoplasm of eggs and have evolved various mechanisms for manipulating reproduction of their hosts, including cytoplasimic incompatibility ( ci ), parthenogenesis, feminization, male killing, fecundity or fertility modifying etc. wolbachia are common and widespread bacteria infecting 17 % insect population, 17 crustacean species, mites and many nematodes

    這些共生菌通過母系遺傳參與調控寄主的多種生殖活動,包括細胞質不親和現象、誘導孤雌生殖現象、雌性化、雄性致死以及調節寄主生殖力等。 wolbachia的分佈十分廣泛,目前已經發現在超過17的昆蟲種群以及17種甲殼綱動物、蟎蟲、線蟲體內發現了它的存在。
  9. Endophytic bacteria were recovered in tobacco roots at mean population densities ranging from 2. 0xl04to 1. 0xl08cfu / g - fw

    煙草整個生育期內生細菌種群密度:根中2
  10. 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
  11. Quorum sensing is the regulation of gene expression in response to fluctuations in cell - population density and allows populations of bacteria to synchronize group behaviors

    群體感應( quorumsensing , qs ,又稱閾值敏感)是細菌根據種群密度大小進行細胞內或細胞間信息交流,協調群體行為並調控基因表達的一種方式。
  12. Marine bacteria play a great role in the occurrence and declination of red - tide based on their population diversity biophysiological and biochemical character diversity, ecological function diversity and heredity diversity thus, bacteria - alga relationship has been a hotspot in red - tide research. for the first time, we studied the effect of marine bacteria, isolated from xiamen west sea area, on the growth and toxicity of alexandrium tamarense under lab condition. the results were as follows : 1

    本實驗選擇赤潮多發區、易發區廈門西海域為本課題研究領域,以發生頻率高、范圍廣、危害嚴重的赤潮原因種塔瑪亞歷山大藻( alexandrium . tamarense )為主要研究對象,首次研究了在可控生態條件下幾株分離自廈門西海域海洋細菌對a . tamarense生長和藻毒力的影響,所取得的主要結果如下: 1
  13. Endophytic bacteria are ubiquitous in most plant species, residing latently or actively colonizing plant tissues locally as well as systemically, and do not visibly harm the plant. in this study, the population dynamics and biodiversity of endophytic bacteria from seeds, roots, stems and leaves of seven tobacco cultivars were examined at different plant developmental stages, and the antagonistic activities of the endophytic bacteria against four tobacco fungal pathogens in vitro were also examined

    本研究以七個田間種植的煙草品種( k326 , k346 , rg11 , g28 , nc89 ,紅大,雲煙85 )的種子、根、莖、葉為試驗材料,通過嚴格表面消毒處理後分離內生細菌,對7個品種整個生育期中內生細菌的種群及其動態進行了定量和定性分析。
  14. The dynamics of endophytic bacteria in tobacco roots, stems and leaves : bacteria population densities were extremely variable in different tissues. the roots had the greatest population of endophytic bacteria, followed by in stems and leaves

    煙草不同器官中內生細菌種群動態:根帶菌量最多,莖次之,葉最少;所分離到的菌群也是根最多,莖次之,葉最少。
  15. The survey of endophytic bacteria in different soil textures : the population was greater in sandy soils than in soils with low sand components, but the flora was more abundant in soils with low sand components

    不同土質田間煙草內生細菌種群差異:對rg和k326兩個品種在兩種土質中的內生細菌調查表明,同種煙草內生細菌帶菌量偏砂土中高於偏粘土,菌群則是偏粘土多於偏砂土。
  16. In the sediment, bacteria belonging to the cfb ( cytophaga - flexibacter - bacterioides ) group and the - proteobacteria, - proteobacteria were the main groups. the 16s rdna diversity of 7th layer was different from that of other layers, including the analysis of rflp, gene type and the population of cfb group. and the population of - proteobacteria showed inverse ratio with that of cfb group

    基於以上的試驗,我們分析了企鵝糞便沉積物中微生物生態與環境變化和環境污染的關系並提出了沉積物中出現的異常在環境和氣候方面可能的解釋,初步建立了以分析企鵝糞便沉積物中微生物多樣性為手段的新的考察南極氣候變遷和環境污染的思路。
  17. These changes have not been detected at the population level, but e - coli bacteria bugs adapted in lab experiments showed resistance when exposed to as much as 0. 1 percent wt / vol triclosan soap

    目前,這種改變(產生耐藥性)還沒有在細菌的群體水平得到證實,但是,當將實驗室常用的大腸桿菌暴露在質量體積比為0 . 1的三氯森香皂環境中時,大腸桿菌產生了耐藥性。
  18. The population distribution of bacteria which participate in n & p cycle correlates with the content of correlated nutrient salt in water body. the sediment release experiment tested out that microorganisms in water body can be supplied from sediment

    蘇州河水體中參與n 、 p循環的主要微生物功能菌群的數量與環境中相關營養鹽的含量相關,底泥試驗表明,水體中的微生物能從底泥中得到補充。
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