細菌降解 的英文怎麼說
中文拼音 [xìjūnjiàngjiě]
細菌降解
英文
bacteria degradation-
The results showed in the paddy field the bacteria were predominated, in the dry land the proportion of fungi and actinomyces was distinctly higher than the other two kinds of soil, in the woodland abundant species of basidiomycetes were found ; the natural degradation speed was low, with the degradation the number and composition of microorganisms changed regularly ; when the c / n ratio was adjusted to 25 " ? 1, the degradation remnant ratio reduced 10. 67 % than the control
結果表明,水田以細菌為主,旱地中真菌和放線菌數量最多,林地中有大量的高等擔子菌;秸稈自然降解較慢,土壤微生物也隨著降解的進行而呈現一定的變化規律;當調節c / n比為25 : 1時,秸稈的腐解殘留率比對照組下降10 . 67 。 2On 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 bacilliform cell penetrate into interior of the fibre to degrade the cellulose strongly and produced a mass of sticky polysaccharides. after cultured 48 hours, the bacilliform cell ' s surface of sporocytophaga have a great change. at this stage the bacilliform produce a lot of sticky polysaccharides. these sticky polysaccharides associated with the sites where the filter paper was decomposed intensively and form thorns on the surface of the bacillium. at the same time, the filter - paper weight loss is the greatest and decomposing rate is the fastest, so we think that the sticky polysaccharides are produced during the cellulose degradation
培養48小時,桿狀細胞的表面結構發生很大的變化,此時的菌體表面已產生大量的粘性多糖,這些粘性多糖因菌體在纖維素表面滑動而在菌體表面形成突起,即在纖維素被旺盛降解部位的菌體表面產生了大量突起;而產生突起的菌體深入到纖維素分子內部,纖維素表面可以清晰地看到由於菌體嵌入纖維素分子內部而留下的凹陷。It presentes the modal of " bimorph degradation ". unwoven meshes were formed by pdlla / ha composite fibers with diameter of 10 ~ 15 m and embedded by i collagen albumen, polylysine and collagen albumen of the rats " tails
前期降解較為緩慢, ph值基本穩定地保持在7 . 0左右, ha真正起到了代償pdlla降解引起的ph下降的作用,有助於防上無菌性炎癥的發生,也有利於細胞生長和組織形成。Sulfid also can be regarded as a marker of the action of sulfur bacteria. 8 ) based on research results, author postulated that early generation of hydrocarbons is closely related to the action of sulfur bacteria. many kind of algae such as dinoflagellates, diatom, prynesiophytes etc have rich biological lipids which has lower polymerization
6 、從未熟一低熟源巖生烴組分及其演化、可溶有機質轉化生烴等方面,探討了未熟一低熟油的形成機制,提出本區未熟一低熟油氣的形成是低活化能的富氫腐泥組分受到硫細菌早期低溫降解作用的結果。In the biological pretreatment procedure for eutrophic water, mc were degraded by special bacteria and assimilated by heterotrophic microorganisms
生物預處理工藝中, mc在特定細菌的降解作用及混合微生物的同化作用下被去除。From a farmland which used organophosphate pesticide omethoate as insecticide frequently, we gathered soil in spring, summer, autumn and winter, from the collection soil, isoloated the aerobic bacteria that can degradate organohosphate pesticide omethoate
從常施用有機磷農藥氧樂果為殺蟲劑的農田生態系統中,在春、夏、秋、冬四季中各採集土壤,從採集到的土樣中分離出能夠降解有機磷農藥氧樂果的好氧細菌。After further purifing the isoloated bacteria, we classified and characterized them, according to their individual form, physiological and biochemical to characterize, characterize to bacteria genus. calculated the total of aerobic bacteria in soil of each senson, the total of bacteria of degrading omethoate, as well as the percentage of each degradation bacteria genus, and measured the physico chemical nature of each seasonal soil sample
將分離到的菌株進一步純化后,按其個體形態、生理生化特徵,進行分類鑒定,鑒定到菌屬;計算出各季節土壤中的細菌總數、降解有機磷農藥氧樂果的細菌總數以及各降解菌屬的百分比,測出各季節土壤樣品的物理化學性質。The carbofuran - degrading experiment of cds - 1 was carried out in lab scale, the results showed that the highest degrading efficiency was obtained with ph, temperature being 7. 0, 30c respectively ; the change of aeration had no influece on degrading rate ; the increasing inocula could accelerate carbofuran degrading progress ; the degrading capability of cds - 1 was n ' t inhibited by high carbofuran concentration ; the addition of low concentration of nutrients had no distinct effect on the degrading rate while high concentration had inhibiting effect the distribution of degrading enzyme was also primarily studied, the results showed that degrading - related enzyme was endocellular and degrading progress was not cometabolism
Cds - 1的降解酶(系)是誘導酶(系) ,存在明顯的誘導期;胞內、胞外酶實驗表明呋喃丹降解酶(系)存在於細胞內。添加低濃度外源營養物質對cds - 1的降解性能無明顯影響,說明cds - 1降解呋喃丹的過程不屬于共代謝過程,可以在無外源營養物質存在的條件下降解呋喃丹。添加高濃度外源營養物質會對該菌降解性能產生抑制。The nitrobenzene degradative plasmid in pseudomonas xn - 1 is discussed in this paper, based on the characterization of nitrobenzene degradation by strain pseudomonas xn - 1, which attempts to do some prepared work for the research in molecule level of nitrobenzene degradation by this strain
本論文在對菌株pseudomonasxn - 1降解硝基苯的特性及降解條件優化的基礎上,研究了菌株細胞內所含有的降解性質粒,希望能為今後對這株菌在分子水平上降解硝基苯的特性研究打下一些基礎。But polyadenylation in bacteria needs no specific consensus sequence or there is no such sequence signals found. the sites of polyadenylation of bacterial mrna are diverse, including the 3 ' ends of primary transcripts, the sites of endonucleolytic processing in the 3 ' untranslatd and intercistronic regions, and sites within the coding regions of mrna degradation products
細菌mrna多聚腺苷酸化的位點多種多樣,包括初級轉錄產物的3 』末端, 3 』端非翻譯區和順反子間區的內切酶加工位點及mrna降解產物的編碼區內,其腺苷酸化相對無特異性、無選擇性。The resting cells reaction experiment showed that it could also degrade other acetic ester compounds including ethyl acetate, vinyl acetate, chloroethyl acetate, propyl acetate, isopropyl acetate, butyl acetate, sec - butyl acetate and 1, 3 - butanediol diacetate by producing aetate
休眠細胞反應試驗表明,這株菌除降解醋酸異丁酯以外,還可降解醋酸乙酯、醋酸乙烯酯、醋酸氯乙酯、醋酸丙酯、醋酸異丙酯、醋酸丁酯、醋酸仲丁酯、醋酸丁二醇等醋酸酯類化合物及聚醋酸乙烯酯。The percentage of autumn degradation bacteria was the biggest, it was 0. 547 %. among degradation bacteria genus, the bacillus proportion in each season was the biggest, that was 44. 44 %, 50. 00 %, 48. 15 % and 47. 22 % in spring, summer, autumn and winter respectively, other bacteria genus ' s proportion were less than bacillus. this was probably related to the basic proterties of soil, the alternation of four seasons, the change of temprature and the difference of vegetation were fairly suitable to the growth of bacillus
在土壤細菌總數上,夏季的細菌數量最多,其次分別為春、秋、冬各季;在土壤中降解氧樂果的細菌數量上,夏季土壤中的降解菌株數量也最多,其次分別為春、秋、冬各季,土壤磷的含量與降解氧樂果細菌的數量之間並沒有太大的相關性( r = 0 . 494 ) ;在降解菌占細菌總數百分比上,秋季降解菌株所佔百分比最大,為0 . 547 % ;在降解菌株中,芽孢桿菌屬( bacillus )在每一季節所佔的比例都是最大的,春、夏、秋、冬分別為44 . 44 % 、 50 . 00 % 、 48 . 15 % 、 47 . 22 % ,其它菌屬所佔比例都比較少,這可能跟土壤的基本性狀有關,春夏秋冬四季的輪換,氣溫的變化,植被的差異,耕作的不同,比較適合抗逆性較強的芽孢桿菌屬( bacillus )的生長。The central waters have faced some real challenges in the past. wastewater from both sides of the harbour was discharged into it after just simple screening, leading to marine water low in dissolved oxygen and high in organic nutrients and sewage bacteria
中部水域曾面對不少嚴峻問題,長期以來維港兩岸所產生的廢水只經過簡單過濾程序便排入港內,導致海水溶解氧含量下降,有機營養物和細菌水平上升。Cell degrading enzymes ( cdes ) produced by phytopathogenic bacteria reduce plant cell components to compounds useful for pathogen nutrition
植物病原細菌產生的細胞降解酶降解植物細胞成分使之成為細菌可利用的營養物質。Sporocytophaga is a kind of bacteria that can glide on the surface of solid medium. this strain can decompose the cellulose strongly. lt can grow on the surface of cotton and fiter paper, and produce large amount of extracellular polysacchrides during the cellulose degradation. the sporocytophag can only produce a low extracellular carboxymethyl - cellulase ( cmc ) activity and no other extracellular cellulase activities. so the sporocytophaga has a special mechanism of cellulose degradation
生孢噬纖維細菌通過與纖維素物質的緊密粘附作用而強烈地降解纖維素;但該菌只能測到極低的胞外cmc酶活,而沒有其他的胞外纖維素酶活,因此該菌有特殊的纖維素降解機制。So some methods suitable to large plasmid extraction, including lysis by sds and a method from a literature, were used to try to extract the large plasmid from the strain cell. the lysis reactions in these two methods are gentle, so the large plasmid cannot be injured in the lysis process, opposite to lysis by alkali. it would be helpful to keep the integrality of the large plasmid during the extraction
因此我們採用了適合於大質粒提取的sds法,和文獻中應用於硝基苯降解性質粒的提取方法,來嘗試對菌株細胞進行質粒提取,這兩種方法裂解反應溫和,不會像堿裂解法那樣,在裂解過程中損壞質粒,可以實現質粒提取的完整性。The action of sulfur bacteria leads to the combination of biological lipids and sulfur, and cause generating hydrocarbons in the early stage
根據生烴潛量與tmax值關系,建立了德南窪陷沙河街組未熟一低熟烴源巖中硫細菌降解主導的有機質早期生烴模式。Bacterially degraded oil
細菌降解油Anthonyl, pometto, crawforddl. effectsofphon lignin and cellulose degradation by streptomyces viridos2 porus [ j ]. appl. environ. microbiol., 1986, 52 ( 2 ) : 2462250
羅宇煊,張甲耀,許威亞,等.正交試驗選擇嗜堿細菌降解木質素的金屬離子最有綜合養條件[ j ] .環境科學與技術, 2001 , 4 : 527分享友人