過氧硝酸 的英文怎麼說
中文拼音 [guòyǎngxiāosuān]
過氧硝酸
英文
peroxynitric acid-
( 2 ) in ( no3 ) 3 was dissolved in acetylacetone in the mol ratio of l : 3. they were mixed for about 3 hours to obtain acetylacetone salts. then glycol methyl aether was added in the ratio of 1 : 40 to obtain indium oxide sol. sncl4 was dissolved in glycol methyl aether and then added into the indium oxide sol to prepare transparent and stable ito sol
( 2 )通過將銦的無機鹽硝酸銦與乙酰丙酮按摩爾比1 : 3 ,混合攪拌3h左右得到銦的乙酰丙酮鹽,然後按一定摩爾比加入乙二醇獨甲醚溶液,混合攪拌制得氧化銦溶膠,再將一定量的sncl _ 4溶入乙二醇獨甲醚,摻入氧化銦溶膠制得透明穩定的摻錫氧化銦溶膠( ito溶膠) ,該溶膠性能穩定,易於成膜。Nitrous esters can react with alkyl peroxides to yield alkyl nitrates.
亞硝酸酯與過氧化烷基反應,得到烷基硝酸酯。The results showed that the cucumber seeds soaked with extracts of total alkaloid, dissoluble alkaloid and fat - soluble alkaloid from p. multisectum ( maxim. ) bobr., the activities of amylase, protease and lipase during seed germination were inhibited, the seed vigor and germination rate were suppressed, and respiration rate of seedling was slackened ; root activity, chlorophyll content and activities of nitrate reductase, superoxide dismutase sod ) and peroxidase ( pod ) of cucumber seedlings during seedlings growth were increased
結果表明,多裂駱駝蓬總生物堿提取液、水溶性生物堿提取液和脂溶性生物堿提取液浸種均抑制黃瓜種子萌發過程中澱粉酶、蛋白酶和脂肪酶活性,種子活力和萌發速率降低,呼吸速率減慢;幼苗生長過程中根系活力、硝酸還原酶活性升高,葉綠素含量增加,超氧化物歧化酶( sod )和過氧化物酶( pod )活性提高。Effects of cerium trichloride and rare earth nitrate on peroxidase isozyme and esterase isozyme in sugarcane
硝酸稀土對甘蔗過氧化物酶同工酶和酯酶同工酶的影響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。The path - way controlling of neptunium in co - decontamination step of purex process, the extraction thermodynamics of amido podand and its usage in recovery of actinides from simulated hllw have been investigated. more than 95 % np were maintained in np ( v ) in 1a extractor and flowed into 1 aw, if enough amount of hno2 was added in feed adjustment and then hno2 scavenger ( urea ) was added before extraction. three kinds of amido podand were synthesized, and the extraction of lanthanides, actinides and some fission products were studied. one of them ( tbopda, n, n, n ', n " - tetrabutyl - 3 - oxa - pantenadiamide ) was used as extractant to recover actinides from hllw. the results of experiments show that more than 99. 99 % actinides were recovered from hllw and separated basically in groups. the main digests are as follows : 1
鎿走向控制研究中通過調價階段加入亞硝酸、而萃取前清除亞硝酸的獨特辦法可以將大於95的鎿趕入1aw 。合成了三種酰胺莢醚萃取劑,研究了它們對錒系和裂片元素的萃取熱力學,通過條件實驗選擇了其中一種莢醚tbopda ( n , n , n 』 , n 』 ?四丁基? 3 ?氧戊二酰胺) ,進行了從模擬高放廢液中分離錒鑭系元素的工藝研究,錒系的回收率大於99 . 99 ,並且基本上實現了錒鑭元素的組分離。其要點如下: 1Under anaerobic conditions nitrates and nitrites are both reduced by a process called denitrification.
在厭氧條件下,硝酸鹽和亞硝酸鹽通過脫硝作用被還原。The compounds are prepared by the epoxidization of dinitrofluoromethyl olefins with peroxytrifluoroacetic acid.
這種化合物,由二硝基氟甲基烯烴與過氧化三氟醋酸進行環氧化反應而得到。In the production of nitrophosphates by the mixed acid process the main components of the acidulation tail gas are nitrogen oxides, and the steam condensate from evaporation contains ammonia
摘要混酸法硝酸磷肥酸解尾氣的主要成分是氮氧化物,其濃縮過程產生的蒸汽冷凝液含有氨。Effects of peroxynitrite on the endothelial cells
過氧亞硝酸鹽在內皮細胞損傷中的作用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。Chemical industry information not merely embodyed the ordinary chemistry information substance, chemistry manufacture technological process and representative installation introduction are still have, in case contacing legal institutions sulphuric acid ? nitric acid industry system law ( ammonia oxidate law ), synthetic ammonia industry, chlorine and caustic soda are manufacture to electrolysis salt water, along with electrogilding, refine aluminium, iron - smelting and steel - smelting, cement and glass manufacture summarized account, the mineral oil is refined, hence, the chemical industry information education is contrastd against the ordinary chemistry information education, proper such representative means, be living, the means interpreted is in speech oridinarily wholly adoptd in the chemical industry information education, now most of tutors also is adopt the means interpreted in speech, cause that the chemical industry information education is insipid like this, student lack interest to chemical industry information study, but as a result of value the pair foundation, light practice, student may say the become a mere formality to chemical industry information study o since multi - med
化工知識不僅包含了一般化學知識的內容,還帶有化學生產工藝流程及典型設備的介紹,如接觸法制硫酸,硝酸的工業製法(氨氧化法) ,合成氨工業,電解食鹽水製造氯氣和燒堿,以及電鍍、煉鋁、煉鐵和煉鋼,水泥和玻璃的生產簡介,石油的煉制等,因此,化工知識教學與一般化學知識教學相比,應有其典型的方法。在過去,化工知識的教學一般都採用口頭講解的方法,現在大多數教師也是採用口頭講解的方法,這樣使得化工知識的教學乏味,學生對化工知識的學習缺乏興趣,又因重視雙基,輕實踐,學生對化工知識的學習可以說流於形式。由於多媒體的輔助教學的高效性、形象直觀性、新穎性和多樣性、人工模擬等特點,很適合化工知識的教學,應用多媒體教學化工知識可以解決目前存在的諸多問題,如:模型短缺、組織參觀活動困難、教育經費不足、學生不易觀察等。Test study on passivation methods in chemical cleaning of boilers, including to use sodium nitrite, hydrogen peroxide, polyphosphate, hydrazine, acetone oxime, trisodium phosphate, and sodium carbonate, has been carried out, and combined with typical examples of application, recommendations for selecting these passivation methods and for using suitable passivation technology being put forwad
摘要對鍋爐化學清洗中亞硝酸鈉鈍化法、過氧化氫鈍化法、多聚磷酸鹽鈍化法、聯氨鈍化法、丙酮肟鈍化法、磷酸三鈉鈍化法和碳酸鈉鈍化法進行了試驗研究,並結合典型的應用實例,提出了選擇這些鈍化方法的建議和適合採用的鈍化工藝。Single - walled carbon nanotubes ( swnts ) were opened and oxidized in the concentrated h2so4 / hno3 mixture ( volume ratio : 3 : 1 ), hydroxyl groups could be brought into the swnts after oxidation modification treatment, and the long - chain silane coupling agent was grafted onto swnts via hydroxyl - silanol route
摘要採用混酸體系(濃硫酸濃硝酸體積比為3 / 1 )對單壁碳納米管進行了氧化處理,並通過氧化處理后在單壁碳納米管表面生成的羥基官能團與長鏈硅烷偶聯劑進行反應,制備了表面有機修飾的單壁碳納米管。There is an oxidation process in two determination methods of total n and total p, so the samples ' liquation and oxidation processes can be done simultaneously, and the standard curve can be acquired simultaneously by confecting blended standard solution, which simplifies the determination process of total n and total p
由於二者測定時都存在將含氮、含磷化合物轉化為硝酸鹽和下磷酸鹽的氧化過程,因此本研究考慮將污泥樣品消解和樣品的氧化過程同時進行,標準曲線也可以通過配製混合標準溶液來同時測定,這使得總氮、總磷測定流程得以簡化。The temperature difference should not be more than 2 degrees, and the difference in ph levels should not exceed 0. 5. the salinity difference should not be more than 2ppt
排泄物過量積聚會過度消耗溶氧產生亞硝酸物硫化氫及改變池底生態,致使蝦生長緩慢及存活率低。One is about of temperature - dependence of luminescence of eu3 + and tb3 + doped in oxide glass and nanocrystalline y2o3 ; the other is about of light - induced luminescent and structural change in nanocrystalline y2o3 : tb. the creative works are as follows : ( 1 ) euand tb doped nanocrystalline y2o3 with different sizes were prepared by combustion synthesis. dependences of particle size, crystallinity and fluorescence characteristic on ratio of gly / y ( no3 ) 3 and annealing temperature were studied
本文以變溫與光輻照為實驗方法研究了eu與tb摻雜y _ 2o _ 3納米晶及氧化物玻璃中發光性質隨溫度的變化關系和光誘導y _ 2o _ 3 : tb納米晶發光性質及結構的改變過程,得到如下創新性研究成果: ( 1 )用燃燒法制備了稀土摻雜y _ 2o _ 3納米晶,研究了甘氨酸與硝酸釔的反應比例( g n ) 、退火條件對稀土摻雜y _ 2o _ 3納米晶顆粒尺寸、結晶狀況及發光特性的影響。The improved determination method to determine the nacl of the heavy alkali of less salt is described in the paper, its accuracy and feasibility are verified by test, and the improved method can get good results
摘要文章針對純堿企業低鹽重堿分析中氯化鈉含量難以準確測定這一難題,提出了加大稱樣量、加熱除氨、硝酸中和除二氧化碳的改進方法,並通過實驗對改進方法的可行性和準確性進行了驗證,取得了滿意的效果。The paper summarize some relevant data and introduces the current research situation about the offects of intragen on photosynthesis, chlorophyll, photosynthetic rate, effeciency of solar energy utilization, dark reaction and photorespiration etc., on respiration and on some metabolic enzymes, including nitrate reductase, enzyme protective system of membrane - lipid peroxidation
綜合國內外有關文獻,介紹了氮素對植物光合作用(包括光合色素、光合速率、光能利用率、光合暗反應、光呼吸等) 、呼吸作用和一些代謝酶(包括硝酸還原酶、膜脂過氧化酶促防禦系統)的影響。分享友人