carbon to nitrogen 中文意思是什麼
carbon to nitrogen
解釋
碳氮-
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。 -
The understanding of biogeochemical cycle of hydrogen, oxygen, carbon, nitrogen, and sulfur elements in nature ecosystem have increased substantially in the past two decades owing to the improvement of gas isotope ratio mass spectrometer and the wide application of isotopic studies with these elements
摘要近20年由於氣相同位素比值質譜儀的改良和氫、氧、碳、氮和硫等穩定同位素的廣泛研究，穩定同位素的研究技術已實質增加我們對于這些元素在自然生態系中生地化循環的了解。 -
A hydroponic experiment was conducted to study the effects of sulfur and organic fertilizer fertilization on carbon and nitrogen transport in winter wheat under copper and cadmium stresses
摘要採用盆栽試驗，研究了銅、鎘脅迫條件下施硫和有機肥對冬小麥碳氮運轉的影響。 -
The meso carbon atom of the methine linkage of the dye is attached to the nitrogen atom of an amino group.
該染料的甲川鏈上的中位碳原子與氨基的氮原子相連。 -
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 -
The morphological, physiological, biochemical and genetic diversities between bacillus thuringiensis wild - type strain ybt - 1463 and its plasmid - free mutant bmb171 was comparatively studied. it showed that the plasmid - free mutant strain bmb171 lost the ability to form the parasporal crystal, but there was on obvious diversities were observed on the sensitivity to 10 antibiotics, the utilization of 19 carbon sources and 12 nitrogen sources, as well as the growth properties between ybt - 1463 and bmb171, whereas the electro - transformation frequencies of bmb171 were much higher than those of ybt - 1463, respectively with 5 exogenous plasmids as the donor dnas
對出發菌株ybt - 1463和其無質粒突變株bmb171的部分形態、生理生化和遺傳學特性進行的比較研究的結果表明，突變株bmb171不形成伴胞晶體，但在個體形態與菌落特徵、對紅黴素等10種抗生素的敏感性、對葡萄糖等19種碳源和谷氨酸等12種氮源的利用能力及生長性能與出發菌株ybt - 1463無明顯差異。 -
The meso carbon atom of the methine linkage of the dye is attached to the nitrogen atom of a group which forms an enamine with the methine linkage of the dye.
該染料甲川鏈上的碳原子與氨基的氮原子相連，而該氮原子又與染料的甲川鏈形成烯胺。 -
To let more domestic relevant researchers understand the applicable techniques of stable isotopes, this article not only introduces the principles of isotopes measurements by gas isotope ratio mass spectrometer, but also integrates the experiences of hydrogen, oxygen, carbon, nitrogen, and sulfur isotopes in agriculture and environmental applications that were described in papers
為讓國內更多相關研究人員了解穩定同位素技術的可利用性，本文描述氣相同位素比值質譜儀之分析原理，及整理氫、氧、碳、氮和硫等同位素在農業及相關生態環境研究上應用的文獻。 -
Kno3 solutions ( 0. 1 mol / l and 1. 0 mol / l ) were used to dope carbon nanotubes. the results show that mwnts annealed in nitrogen adsorbed more hydrogen than those annealed in air
室溫下納米碳管吸附的氫氣不能完全脫附，說明納米碳管的吸氫方式包括物理吸附和化學吸附，其中化學吸附比較難于釋放。 -
With the constant growth of the motor vehicle, the total pollutant emission of national motor vehicle increases continuously. in 2003, the emmission of hydrocarbon, carbon monoxide and nitrogen oxide of the whole national motor up to 836100 tons, 363980 tons and 549200 tons respectively
苗圩在開幕式的演講中說，隨著經濟的持續快速發展，我國能源危機凸現，環境污染問題也成為制約經濟可持續發展的重要因素，中國汽車工業發展必須克服能源環保等制約因素。 -
Natural gas - determination of composition with defined uncertainty by gas chromatography - determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and hydrocarbons up to c8 using two packed columns
天然氣.用氣相色譜法測定規定不確定度組分.利用兩個封裝柱進行氫氦氧氮二氧化碳和c8碳氫化合物的測定 -
Natural gas - determination of composition with defined uncertainty by gas chromatography - determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and c1 to c8 hydrocarbons using three capillary columns
天然氣.用氣相色譜法測定具有規定不定度的成分.用三毛細管柱測定氫氦氧氮二氧化碳和cdown1至cdown8的碳氫化合物 -
The results show that the chosen test variables have no effect on the activity of methane, except that the activity refeering to the blast limit was restrained at a certain extent by nitrogen and carbon dioxide adulteration
結果表明，甲烷活性隨貯存時間的延長沒有變化，甲烷通過水、硫酸、氫氧化鈉洗氣后活性沒有變化；氮氣、二氧化碳在一定程度上可抑制甲烷與空氣混合爆炸，且二氧化碳的影響稍大；氨氣則沒有影響。 -
The result of numerical taxonomy indicated that there were high phenotypic diversity among the strains isolated from the root nodules of pueraria spp. it can been seen in utilization of carbon and nitrogen sources, antibiotic resistance, resistance to dyes and chemicals, tolerance to acid, acid production, alkali production, nitrate reduction et al. the dendrogram divided all the strains into
數值分類對所有供試菌株進行了131項表型性狀的測定，結果表明，葛藤根瘤菌具有豐富的表型多樣性，表現在利用多種化合物作為唯一碳源、氮源能力，對抗生素、染料和化學藥物的抗性，耐酸性，產酸產堿情況，硝酸還原能力等方面。 -
Certain chemical elements, such as carbon, hydrogen, nitrogen and oxygen, are essential for life and they all require liquid water to facilitate biologically important chemical reactions
碳氫氮和氧這些化學元素是生命的必要一環，而它們都需要液態水來進行重要的生化作用。 -
Why is this so important ? earth is of just the right mass to retain the heavier gases like carbon dioxide, nitrogen and oxygen in its atmosphere
在這生命帶中，像地球般質量大小的行星才得以保存大氣層和液態水，以地球來說，它的質量使它剛好維持大氣中較重的氣體如二氧化碳氮和氧。 -
The yeast strain 12y - 5 was identified at the species level using two yeast taxonomy systems published by. j. w. kreger - van rij ( 1984 ) [ 24 ] and j. a. barnett ( 1983 ). [ 19 ] in addition, the ability to assimilate several compounds as main sources of carbon and nitrogen was evaluated at the 500ml shake - flask and 3. 7l kfl bioreactor scales. effects of ph, temperature, concentration of dissolved oxygen and utilizable sugar on the growth rate of cells and the rate of the conversion of substrate into biomass were studied
進而用正交試驗法對該酵母生長的培養基配方及影響生長的重要理化因素進行了較為深入的研究，在此基礎上對影響生長的重要理化因素進行了寬范圍的測驗：並以搖瓶最佳的培養條件為基礎，在3 . 7升kfl -生物反應器上進行了放大試驗。 -
Uniform design was employed to optimize the culture conditions and the component of culture medium including carbon source, nitrogen source, phosphor source, growth factors, inorganic salts and precusor as well
利用均勻設計原理進行實驗設計，以優化培養基中碳源、氮源、磷源、生長因子、前體物及無機鹽成份的配方以及細菌培養條件。 -
The process bonds the carbon to a microscopic crystal and other minerals - including boron and nitrogen - used to catalyze the carbon into a diamond, under intense pressure and heat. the diamonds are then faceted and polished into a finished gem - quality diamond
在強壓和強熱條件下，將從火化后的人體中提取的碳元素與細小的水晶和包括硼和氮在內的礦物質混和，最終製成具有紀念意義的「遺體鉆石」 。 -
When we used tree physiology to explain the growth and production of plants which depended on basic metabolism and environment, we must consider that abilities to produce carbon and nitrogen metabolites
摘要植物生理學用於解釋整株植物的生長與生產力時，是如何取決于基本代謝與所處環境，須考慮植物產生碳與氮同化產物能力的大小。
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