硝酸化作用 的英文怎麼說
中文拼音 [xiāosuānhuàzuòyòng]
硝酸化作用
英文
nitrfication-
Strain hn could ammonize organic nitrogen compounds and nitrify ammonia itself when it grew on acetamide companying the formation of ammonia and nitrite
該菌株能以乙酞胺為唯一碳源和氮源進行氨化作用和硝化作用並產生亞硝酸。It also could denitrify nitrate companying the formation of nitrite
以硝酸鈉為氮源時能進行反硝化作用。The main study in this paper included as follows : the content and distribution of heavy metals in sediments and benthic organisms from the sewage stream in guangzhou city ; the acute toxicity and joint toxicity of mercury and selenium to swordtail fish ( xiphophorus helleri ) ; the damage of mercury to the indexes of antioxidant system in the gills and livers in swordtail ( including the measurement of the activities of total antioxidative capacity [ t ~ aoc ], superoxide dismutase [ sod ], glutathione peroxidase [ gsh - px ] and the concentration of malondiald - ehyde [ mda ] ) and the relief effects of selenium on it, as well as the physiological damage of mercury on the tissues, namely : the antagonistic effect of na + - k + ~ atpase activity on the tissues between selenite and mercury, and the ultrastructural damage under the exposure of mercury
研究內容主要有:廣州市河涌沉積物及底棲生物體內重金屬含量及評價;汞和硒對劍尾魚的急性毒性和聯合毒性及安全濃度的評價;汞對劍尾魚鰓和肝臟中抗氧化系統的毒性,包括對總抗氧化能力、超氧化物歧化酶、谷胱甘肽過氧化物酶活力及丙二醛含量的測定及硒對其保護作用;汞對劍尾魚組織生理毒性即:汞對na ~ + - k ~ + atpase活力的影響及硒的保護作用和汞和對劍尾魚組織超微結構的損傷等。以高氯酸?硝酸消化法和火焰原子吸收分光光度法測定了廣州市河涌沉積物和底棲生物中重金屬含量。It has studied the action of hydrogen peroxide on nitrous acid.
它研究了過氧化氫對亞硝酸的作用。In this paper, the roles of iron in different pathways of protein nitration are introduced, and the results indicated that microelement iron in vivo plays an important role in protein nitration
本文介紹了鐵在不同酪氨酸硝化途徑中的作用,結果提示體內的微量鐵對蛋白質硝化起著重要作用。The effects of equilibrium time, acidity of the solution, temperature, concentration of redox reagents on the adsorption of neptunium by silica gel were carried out. desorption and isotherm adsorption experiments were also performed. the results are shown as follows : the equilibrium for adsorption of neptunium on silica gel reached rapidly
進行了吸附平衡時間、酸度、溫度、氧化還原劑濃度等條件對硝酸溶液中np ( ) 、 np ( )和np ( )在硅膠上吸附的影響的實驗,與吸附時同酸度條件下的洗脫實驗,用濃度為3mol l的硝酸作為解吸劑的解吸實驗。The experiments showed that there also existed a parallel reaction between cca and so3 as well as an intercrossing reaction between caprolactam and nitrosyl sulfuric acid, except for the nitrosation of cca
實驗證實了該過程伴有環己烷羧酸與三氧化硫作用的平行副反應以及己內酰胺與亞硝基硫酸作用的串聯副反應,由此提出了亞硝化過程的反應動力學模型。In these transition periods, the digestion system is not well developed yet and is very sensitive to any change in their digestion systems. this stress - related indigestion can eventually lead to death. the stress is easily induced in the above mentioned two stages because zoea begins to take external food since the yolk in its body has been consumed during the nauplius stage
,是由多種酵素,黃蓮黃柏抽出物的綜合體,能迅速安全的分解殘餌,解決污泥產生,免除亞硝酸及阿摩尼亞所造成的生理緊迫,更因為神奇的酵素作用,能幫助蝦苗腸道的正常機能,避免蝦苗初飼食物或改變飼料的生理緊迫消化不良而導致死亡。Because there are a great quantity ' s heterotrophic bacteria in the breeding pool, which will have the repulsion action to the insufficient quantity ' s nitrifier and prevent the nitrification, the situation will bring the accumulating of nitrite which is the middle substance of nitrification in water, the long term accumulated nitrite can debase fish and shrimp ' s disease - resistant and decrease the growth and even die
由於養殖池中存在大量的異養菌,受到異養性細菌排斥,本身無足夠數量的硝化菌,硝化作用往往受阻,結果就會引起硝化作用的中間產物亞硝酸鹽在水體內的累積、亞硝酸鹽長期蓄積會使魚蝦等抗病力降低、生長受阻、嚴重者中毒死亡。Nitrate is converted to ammonium by nitrate reductase and ammonium is then incorporated into glutamine and gluamate, either by the glutamine synthase - glutamate synthase ( gs - gogat ) pathway or by glutamate dehydrogenase ( gdh )
硝酸鹽在硝酸還原酶作用下被轉化為銨,接著所產生的銨在谷氨酰胺合成酶-谷氨酸合酶( gs - gogat )或谷氨酸脫氫酶( gdh )的作用下與谷氨酰胺和谷氨酸結合。When sparsely - planted rice overgrew its earing period, light intensity in the mid - lower part increased, photosynthesis prolonged, activity of nitrate and peroxide decreased, protein content increased by more than 50 %, velocity of leaf ageing slowed, but accumulation of dry matter of grain accelerated and 1000 - grain weight increased too
摘要稀植栽培的水稻,抽穗后田間表現為中下部光強明顯增加,光合作用時間延長,硝酸還原酶和過氧化物酶活性降低,蛋白質含量增加50 %以上,葉片衰老延緩,籽粒干物質積累加速,千粒重提高。Water quality - digestion for the determination of selected elements in water - part 2 : nitric acid digestion
水質.測定水中所選元素的消化作用.第2部分:硝酸消化作用Cupric nitrate is used as catalyst, oxidizer, activating agent for luminescent powder, and photosensitive resistance materials
硝酸銅用作催化劑氧化劑熒光粉激活劑及光敏電阻材料等。However, cromakalim depressed the precontrated rabbit aorta by potassium chloride - induced far more weakly than forskoline and nitroglycerin
而色滿卡林對氯化鉀預收縮血管的舒張作用遠比福斯考林和硝酸甘油微弱。These enzymes are significant as a digestive aid to larval fish, improving survival and enhancing growth. sick and stressed fish are also beneficiaries of these enzymes. genchem polytase is our top of the line product, genchem polytase is a compound of several enzymes, rhizoma coptidis and cortex phellodendri extracts which can speedily and safely dissolve left - over feed, thus solving the problem of sediment formation and the stress caused by nitrous or ammonia
維生消化素也是消化整腸酵素,經由多種酵素及黃蓮,黃柏抽出物的綜合體,因為是多種酵素的組合所以能迅速分解殘餌,完全解決污泥的產生,免除亞硝酸及阿摩尼亞所造成的緊迫甚至泛池,更因為神奇的酵素作用能預防及免除使擾亂幼蝦正常代謝的生化與營養變化物質,而獲得幫助蝦苗消化酵素分化的正常機能,提高飼料效率,增加存活率防止疾病。Various specialty salts for specific uses are available in stores : for example, tenderizer ( salt fortified with enzymes such as papain, used to tenderize meat ), salt enriched with sodium nitrate or a combination of sodium nitrate and potassium nitrate ( used to cure meats and as a preservative ), and flavored salt ( garlic salt, onion salt, celery salt, etc. )
各種的特製鹽在商店可以買的到,例如:軟化劑(鹽加強與酵素作用,譬如木瓜蛋白酶使肉軟嫩) ,鹽被用在與硝酸鈉或硝酸鈉和硝酸鉀的混合(使用在加工保藏肉和作為防腐劑) ,和調味鹽(大蒜鹽、蔥鹽、芹菜鹽等) 。Putting the potassium permanganate into the filter can improve its effect, the removal of organics and ammonia is increased, the influent concentration can satisfy the water reuse standard. but the turbidity of influent is unsatisfactory. the c / n ratio is the key factor to influence the nitrogen - removal of the anoxic / aerobic two - stage baf when the reflux ratio 、 hydraulic loading and the ratio of gas to liquid in aerobic filter are fixed. the anoxic / aerobic two - stage baf has a good removal of organics at different c / n ratio when the reflux ratio is 2, hydraulic loading is 2. 55m ~ 3 / m ~ 2 ? h and the ratio of gas to liquid in aerobic filter is 3 : 1. the influent concentration of organics is blow 7mg / l. from the beginning to 30cm of the anoxic filter, the removal of the organics is significant ; as the c / n ratio increasing, the influent concentration of ammonia is decreasing. when the c / n ratio is 3. 60, the enfluent concentration of ammonia is 3. 05mg / l which satisfies the water reuse standard. when the c / n ration is less than 3. 60, because of the imperfection
迴流比為2 : 1 ,水力負荷為2 . 55m3 / m2 ? h ,好氧柱氣水比為3 : 1時試驗表明:不同的c / n ( 1 . 05 7 . 45 )下,兩級曝氣生物濾池對有機物有很好的去除作用,出水有機物濃度小於7mg / l ,其中在缺氧柱進水端30cm內對有機物的去除最為明顯;隨著c / n的增加,系統出水氨氮濃度降低,當c / n為3 . 60時,出水氨氮濃度降到3 . 05mg / l ,已經滿足回用水的氨氮標準; c / n < 3 . 60時,因為缺氧柱的不完全反硝化,體系中硝酸鹽氮和亞硝酸鹽氮發生積累影響了好氧柱的硝化反應使氨氮降解效果較差;系統對總氮的去除隨著c / n的增加而增加,當c / n為3 . 60時,出水總氮已經降到11 . 18mg / l ,滿足回用水的要求。The soil nitrogen status is a function of the processes of nitrogen fixation, microbial decomposition, nitrification and denitrification.
土壤氮狀況是一個固氮、微生物分解、硝酸化和脫氮過程的作用。A problem related to nitrification is a drop in ph for the system due to the formation of nitric acid.
和硝化作用有關的一個問題就是由於生成硝酸而使系統內的PH值降低。Water quality - method for assessing the inhibition of nitrification of activated sludge micro - organisms by chemicals and waste water
水質.通過化學藥品和污水對活性污泥中微生物硝酸化抑制作用的評定方法分享友人