生碳的 的英文怎麼說
中文拼音 [shēngtànde]
生碳的
英文
carbon producing-
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。Chemical and stable carbon isotopic compositions of the ground waters of guiyang city, china : implications for biogeochemical cycle of carbon and contamination
碳同位素和水化學在示蹤貴陽地下水碳的生物地球化學循環及污染中的應用The effects are dependent upon the combination of carbon monoxide with hemoglobin to form carboxyhemoglobin.
這種影響取決於一氧化碳同血紅蛋白結合而生成的一氧化碳血紅蛋白。During 6 years, the main products are : vacuum cleaner brush, car electrical motor brush, micro type electrical motor brush
歷時6年,完全自主研發,已批量投入生產的產品有:吸塵器碳刷、汽車電機電刷、微型電機電刷。( 2 ) l - cystine, tyrosine, dl - aspartic acid, l - lysine were used as soft - templates to regulate and control the crystallization of caco3. the effects of different amino acid to the growth of caco3
( 2 )分別以l一膚氨酸、 l一酪氨酸、 dl一天冬氨酸、 l一賴氨酸作為軟模板,分別研究了其對碳酸鈣晶體生長的影響。4. the magnesium ions, l - cystine, tyrosine, dl - aspartic acid, l - lysine, and the mixed system of magnesium ions and amino acid were used as effective soft - templates to regulate and control the crystallization of caccb, respectively
以鎂離子、 l -胱氨酸、 l -酪氨酸、 dl -天冬氨酸、 l -賴氨酸以及它們的混合體系為模板,研究了其對碳酸鈣晶體生長的調控作用。Biological limit value for occupational exposure to carbon disulfide
職業接觸二硫化碳的生物限值This distribution pattern of soil carbon was related to such factors as the precipitation eluviation and the organism activities in soils
土壤碳的這種分佈格局與大氣降水的淋溶、土壤生物活動等因素有關。This process is endothermic with rapid carbon deposition and deactivation of the catalyst.
此過程是吸熱的,同時很快發生碳積沉並使催化劑活性減低。Further, calverd ' s figure of 21 % does not include indirect sources of carbon dioxide emissions, such as feed production, mechanized slaughtering, evisceration, packaging, transport and refrigeration
此外,卡佛特所算出的21 ?中,尚不包括那些會間接排放二氧化碳的過程,譬如:飼料生產、機械化屠宰、清除內臟、包裝、運輸與冷藏等過程。The passing parts of this catena product all adopt fluorine plastics alloy to press, its headmost product of fluorine alloy centrifugal pumps, axis - envelop choose advanced outer - install form moire - pipe machine - airproof, airproof of oppositely abrade have silicon nitride chinaware f4 horniness alloy to choose
本系列產品過流部件全部採用氟塑料合金模壓成型工藝製造,是國內生產的最早的一代氟合金離心泵產品,軸封選用先進的外裝式波紋管機械密封,對磨的密封面有:碳化矽陶瓷四氟硬質合金可供選擇。The main results are following : ( 1 ) the variation of clay / silt ratio can indicate the secondary clay action of dust depositions ; the variations of magnetic susceptibility and total fe content are inferred to be records of the changeable intensity of bio - pedogenesis ; the variations of sr content and rb / sr ratio can indicate bio - pedogenesis, dissolving and leaching action ; the content of total organic carbon ( toc ) can reflect variation of climate and vegetation during soil formation, it indicates the intensity of weathering and bio - pedogenesis ; the content variation of caco3 can show the intensity of dissolving - leaching action and secondary deposit, which was noted as pseudomycilia in pores and fissures in the sediment, so it can indicate the intensity bio - pedogenesis quite well. these proxy indexes also reflect obvious regional difference of pedogenic environment and the intensity bio - pedogenesis ; namely, secondary clay action, dissolving - leaching action and bio - pedogenesis are all much stronger in south than that in north
實驗結果表明:粘粒粉沙比值能很好地指示粉塵堆積物的次生粘化作用;磁化率和全鐵很好地指示生物風化成壤作用; sr和rb sr比值能很好的指示生物風化成壤作用和淋溶作用;總有機碳( toc )含量的高低,在一定程度上反應了土壤發育過程中氣候和植被狀況的變化,指示著成壤過程中腐殖質化的程度; caco3含量的變化,可以反映了黃土古土壤形成時的風化成壤作用的強弱程度,指示成壤過程中的淋溶作用和次生碳酸鹽化作用;並且各指標所指示的成壤環境和成壤強度存在明顯的區域差異,即渭河流域土壤的生物風化成壤作用、次生粘化作用和淋溶作用均表現出南部強于北部。The best carbon source for agroeybe chaxingu is amidulin, followed with saccharose, dextrose ; the appropriate nitrogen nutrient is peptone, yeast extract and bran
結果表明,茶樹菇菌絲生長的最適碳源是可溶性澱粉,其次是蔗糖、葡萄糖;最適氮源是蛋白腖,其次是酵母膏、麩皮。Soya peptone is an enzyme digest of soya, this product contains carbohydrate, widely used in culture media and often used for the cultvation of many fastidious organisms and where rapid, luxuriant growth is required
性狀:本品系由大豆為原料,經酶消化而成,富含碳水化合物,廣泛應用於微生物培養基的配製並常用於營養要求高的微生物培養及滿足微生物快速大量生長的需要。Taed is often used with sodium perborate and sodium percarbonate to form a good bleaching system. the main bleaching agent in this system is peracetate anion, which can increase whiteness and remove dirt, e. g., stains, tea stains, juice, and wine stains
Taed與過硼酸鈉或過碳酸鈉組合使用作為洗滌過程中的氧化物漂白系統,它們在水中反應後生成的過乙酸陰離子是該系統中的主要漂白劑,起增白、去污(如咖啡、茶、紅酒、咖哩、果汁和蔬菜等污漬)和抗微生物作用。4. engineering dhqase ( arod ) - deficient e. coli mutant with a second copy of the arob gene gene targeting technique was used to disrupt the arod gene in e. coli chromosome. the mutant 31bk was engineered, in which homologous recombination of the arobkanr gene cassette into the arod locus ( arod : : arobkanr ) of the e. coli strain atcc31884 genome utilized the helper plasmid pkd46 with red system. the host cell 31bk lacked catalytic activity of dhqase ( arod ) and had a second copy of the arob gene, so it improved carbon flow into the quinic acid biosynthesis direction
構建宿主菌基因精確定位突變株31bk ( arod : : arobkan ~ r )為了改變代謝途徑脫氫奎尼酸( dhq )分支點上的代謝流量,使之充分流向目的產物奎尼酸合成方向,利用基因打靶技術構建了31884宿主菌arod基因精確定位插入突變體,使dhq脫水酶( dhqase )失活,阻斷了碳代謝流流向芳香氨基酸生成的方向,同時用同源重組的方法將arob基因定位整合入染色體上,解除了限速酶對碳代謝流通過共同途徑到達dhq的阻遏影響,並減輕代謝負擔。Quinic acid, used shikimate pathway in e. coli, it is necessary to extend metabolic pathway by introduction of a heterogenous gene qutb into the host cell. double specific enzyme genes arog, qutb or three ones arog, qutb, arob were co - expressed in a single plasmid pbv220 to improve the enzymes " rate - limiting reactions. modifications of e. coli chromosome by both disruption of the arod gene and directed - site insertion of the arob gene resulted in the change of carbon flow redirected into the quinic acid biosynthesis branch
利用大腸桿菌莽草酸途徑合成新的代謝物奎尼酸,須在宿主細胞引入異源酶基因擴展代謝途徑;串聯表達酶基因,同時適量增加不同種屬的多個關鍵酶酶量,改善限速反應;利用同源重組進行基因整合和基因破壞,改造染色體結構定向改變微生物代謝途徑;目的是將碳代謝流最大程度的引向奎尼酸生成的方向。Qualitative and quantitative analysis of hydrogen and carbon monoxide produced from radiolysis of acetohydroxamic acid in aqueous solution
乙異羥肟酸輻解產生的氫氣和一氧化碳的定性定量分析This paper gives a brief review of four stabilization mechanisms of soc : ( 1 ) recalcitrance of organic carbon compounds, ( 2 ) interactions with metal oxides and soil mineral surfaces, ( 3 ) spatial inaccessibility against decomposers because of micro - aggregate ' s physical protection, and ( 4 ) biological mechanisms, mainly the direct contributions of soil organisms themselves
土壤有機碳的穩定機制主要包括: ( 1 )有機碳的難降解性; ( 2 )金屬氧化物和粘土礦物與有機碳的相互作用; ( 3 )土壤團聚體的物理保護導致的生物與有機碳空間隔離; ( 4 )土壤生物學機制,主要指土壤生物自身對有機碳穩定性的直接貢獻。The biological characteristics of mycelia from phellinus igniarius and culture media were studied. two kinds of culture media were suitable for the growth of mycelia. the result indicated that the culture medium with potato as nitrogen source and saccharose as carbon source was suitable for collecting mycelia, and the culture medium with peptone as nitrogen source and solvable amylum as carbon source was suitable for conservation
為了最大限度地保存菌種的活力,以提高菌絲體的質量及菌絲體內活性成分的累積,本文通過對比研究,進一步對其生長基質進行篩選,明確了兩種適于桑黃菌絲生長的固體培養基:以馬鈴薯為氮源、蔗糖為碳源的培養基較適用於菌絲收集,以蛋白腖為氮源、可溶性澱粉為碳源的培養基較適用於菌種的保藏。分享友人