過氧化合物 的英文怎麼說
中文拼音 [guòyǎnghuàgěwù]
過氧化合物
英文
peralcohol-
Aldehydes and other carbonyl compounds are most easily polymerized by essentially anionic mechanisms on account of the stability of alkoxide ions.
醛類和其他的羰基化合物,由於烷氧基離子的穩定性,最容易通過本質上是負離子的機理進行聚合。( 6 ) 4, 6 - diamino - 5 - nitrobenzofuroxan is designed to synthesis from trichlorobenzene through nitration aminatiom azidation and thermal decomposition. this compound is a new explosive. but we only got the intermediates of the first and second steps ( nitration, amination ) because the limit of time
( 6 )從均三氯苯出發,設計經硝化、氨化、疊氮化和脫氮四步合成4 , 6 -二氨基- 5 -硝基苯並氧化呋咱,這是未見文獻報道的新化合物,不過由於時間關系,我們只得到氨化這一步的中間產物即3 , 5 -二氨基- 2 , 4 -二硝基氯苯,這也是個未見文獻報道的新化合物。The hydroperoxides are unstable compounds.
氫過氧化物是不穩定的化合物。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。Through the fluorescence spectra, ft - ir spectra and curve - fit, the effect of lanthanum ( iii ) on horseradish peroxidase ( hrp ) was studied
運用螢光光譜、傅立葉變換紅外光譜以及曲線擬合等技術研究了鑭離子對辣根過氧化物酶的結構的影響。Effect of co2 concentration and photosynthetic photo flux density on photoautotrophic capability and peroxidase activity of ipomoea batatas lam in vitro
2濃度和光合光量子通量密度對葉用甘薯組培苗光合自養和過氧化物酶活力的影響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。With the conclusion of a burst activity, the lactic acid level is high in the body fluids, leaving the large animal vulnerable to attack until the acid is reconverted, via oxidative metabolism, by the liver into glucose, which is then sent ( in part ) back to the muscles for glycogen resynthesis
由於突發性行為的結果,致使動物體液里的乳酸含量上升,在乳酸通過氧化新陳代謝、在肝臟里形成葡萄糖、回落到正常含量前,動物往往具有較強的攻擊性,那些生成的葡萄糖(一部分)然後輸送回肌肉進行糖原二次合成。Water quality. evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium by determination of oxygen demand in a closed respirometer
水質.通過在密閉呼吸器中測定需氧量來評價有機化合物在水介質中"最大"的生物降解力Water quality - evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium by determination of oxygen demand in a closed respirometer
水質.通過測定在封閉呼吸器中的需氧量評定含水介質中有機化合物的最大需氧生物降解能力The synthesis of new disinfector of trisodium phosphate - hydrogen peroxide complex
新型消毒劑過氧化氫磷酸鈉復合物合成In order to study the influence factors of aoa of rose flowers, the effects of drying and extraction methods on the aoa of rose flowers were investigated. the results indicated that drying after high - temperature short - time pretreatment was rather effective to maintain their aoa ; the aoa of water extracts was stronger when the temperature was raised from 25 to 100 ; by using orthogonal test, the optimum extraction conditions of rose flowers were : solvent - 75 % ethanol ; ratio of material and solven - 1 : 10 ; extraction times - three times with 24 h at one time, at the room temperature. the extracts obtained by 75 % ethanol were fractionatedly extracted with petroleum, diethyl ether, ethyl acetate and n - butanol in turn, and the various fractions " aoa were analyzed
為了探討玫瑰花抗氧化活性的影響因子,比較了不同乾燥方法、提取方法對其抗氧化活性的影響,發現:經短時高溫處理后再進行乾燥有利於較好地保持玫瑰花的抗氧化活性;以水作溶劑提取時, 25 100范圍內水提液的抗氧化活性隨著溫度的升高而增強;通過正交實驗篩選得到常溫下玫瑰花抗氧化活性物質的最佳提取方法為: 75乙醇為溶劑,液料比1 : 10 ,提取3次,每次24h ; 75乙醇提取物依次用石油醚、乙醚、乙酸乙酯、正丁醇等有機溶劑進行兩相分部萃取,發現玫瑰花的抗氧化活性物質主要存在於乙酸乙酯部,說明玫瑰花抗氧化活性主要成分可能是單寧類、黃酮苷類和原花色素類化合物; 4When 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。Unicolor and lilium asiatic hybrids or cultivars in lilium asiatic hybrids were researched with their parents by karyotype, soluble protein, esterase isoenzyme and peroxidase isoenzyme. the results provided identification markers of cytology and biochemistry for hybridization at the early stage in lily breeding programs. the cluster analysis according to similarity coefficient of soluble protein and peroxidase showed that " yellow " and " omega " have the most closest relation in lilium asiatic hybrids
本研究對百合屬幾個植物的親緣關系進行了可溶性蛋白質、過氧化物酶同工酶分析,同時對亞洲百合雜交系內雜交及其與原種系間的雜交後代進行了核型、可溶性蛋白質、過氧化物酶和酯酶同工酶分析,以期為百合屬植物親緣關系分析提供生化依據,以及為雜交後代的早期鑒定提供細胞學、生化水平的檢測指標。( 3 ) pah " levels in maricultural site tvere much higher than that in the adjacent non - maricultural site, and it showed that mariculture was one of the contributors of marine pah " pollution in seal atef. 2 western xiamen harbort ( 1 ) pah " levels in surface seat " ater and sediment of the survey site " ere quite severe
5系統研究了鱸魚、真鯛體內不同器官、組織的生化指標? ?過氧化氫酶( cat ) 、超氧化物歧化酶( sod ) 、脂質過氧化( lpo )指標,結合水體及生物樣的pah污染分析結果,探討了這些指標對水環境pah污染的指示作用。( 1 ) for the first time, compositing the chemical compounds of alkaline - earth metal with the adsorption material, 13x molecular sieve, silica gel, and activated alumina to gain a series of composite adsorbents with good performance that higher adsorption capacity and lower regeneration temperature and suitable for adsorption refrigeration systems that can be driven by low - grade thermal energy
首次將堿土金屬化合物及其鹽類與傳統吸附材料13x分子篩、硅膠和活性氧化鋁等復合,制取具有較高吸附量和較低再生溫度的適合於以低溫熱能驅動的吸附製冷過程的一系列優良復合吸附劑。分別在自製的吸附製冷、除濕製冷模擬實驗裝置上,測得該系列復合吸附劑與水和乙醇組成的吸附製冷工質對的吸附製冷性能以及除濕製冷性能均優于傳統吸附劑( 13x ,硅膠和活性炭) 。This paper stuffed with twelve important grain and vegetable crops, studied the injury symptom, dose reaction, injury threshold value and influential factor of main pollutant so2 on various plants, tested the dynamic transformation of pod, cat, mda, soluble protein, free pro and chlorophyll of resistant plant and sensitive of these physiological biochemical transformation with plant resistant ability. meanwhile, simply studied the protective role of the five compounds on plant. the result indicated the followings
本實驗以12種重要的糧食和蔬菜作物為研究對象,研究了主要大氣污染物二氧化硫( so _ 2 )對不同植物的傷害癥狀、劑量反應、傷害閾值以及影響因素,測定了抗性和敏感植物在受到so _ 2污染后植物體內過氧化物酶( pod ) 、過氧化氫酶( cat ) 、丙二醛( mda ) 、可溶性蛋白質、游離脯氨酸和葉綠素的動態變化,並分析了這些生理生化變化和植物抗性的相互關系,同時還對5種化合物溶液對植物的保護作用進行了初步研究,結果表明: 1Since 1980s, taed is mainly used as bleaching activators of persalts in cleaning products. it can perform under low temperature and in less time than peroxides alone. a recent report shows that under different ph taed reacts with hydroperoxides differently
自70年代以來, taed就主要作為低溫漂白活性劑與過酸鹽(如過硼酸鈉,過碳酸鈉)組合應用於洗滌產品中,這樣就可以清除因洗滌時間、溫度致使過氧化物無法洗凈的污物。It reacts with hydrogen peroxide in the solution and forms a stronger oxidant ( peracetate anion ). since 1970s, taed has been applied to detergents and washing powder as a bleaching booster of peroxides. it can remove the dirt that is difficult to be disposed of by peroxides alone
自70年代以來, taed就主要作為低溫漂白活性劑與過酸鹽(如過硼酸鈉,過碳酸鈉)組合應用於洗滌產品中,這樣就可以清除因洗滌時間、溫度致使過氧化物無法洗凈的污物。Studies have shown flavonoids appear to benefit blood vessel function by influencing the body ' s production of nitric oxide, which helps regulate blood vessel tone
研究表明黃酮類化合物能夠通過影響身體生產能幫助調節血管張力的氧化亞氮來改善血管功能。分享友人