氧價 的英文怎麼說

中文拼音 [yǎngjià]
氧價 英文
oxygen number
  • 氧 : 名詞[化學] （氣體元素） oxygen （o）
  • 價 : 名詞1. （價格） price 2. （價值） value 3. [化學] （化合價） valence
  1. Vitamin b12 is destroyed by oxidizing and reducing agents, by aldehydes, ascorbic acid, ferrous salts, vanillin and acacia.

    維生素B12被氧化劑和還原劑、醛類抗壞血酸、二價鐵鹽、香草醛和阿拉伯樹膠破壞。
  2. One such crystal is the ruby, which contains trivalent chromium ions dispersed in a matrix of alumina.

    這樣的晶體有一種叫「紅寶石」，它包含的三價鉻離子彌散在氧化鋁的基體中。
  3. But windmills and atomic reactors are expensive, and the only way they can compete with fossil fuels is through subsidies or higher energy prices that reflect the full cost of emitting carbon

    不過，風能和核電是昂貴的，唯一出路是，英國政府可以通過補貼或更高的能源價格來競爭化石燃料市場，實現全面減排二氧化碳。
  4. Using cd, cu, zn and cr as experimental toxicants and crucian as experimental creature, we employed the environmental biotechniques ( flame atomic absorption spectrophotometry, the method of improved pyrogallol autoxidation and electron microscopy ) to study the acute toxicity and secure concentrations of heavy metals to crucian ; the accumulation and distribution of mixed heavy metals to fingling crucian ; the activities of superoxide dismutase ( sod ) of gill and liver tissues and the hispathological and ultrastructural change of superfine structure of liver and kidney of crucian after cadmium exposure. through which, we intended to fully and systemically study the toxic influence of heavy metals to fish, and preliminarily discuss the influence of heavy metals pollution to the diversified level of fish such as individual, organ, tissue, cell and molecule. thus we tried to provide scientific evidence to establish preventative management measures, avoid and relieve the harm of heavy metals pollution to aquicolous ecosystem in time

    隨后以這幾種重金屬作為實驗毒物，以鯽魚為實驗動物，應用環境生物技術、火焰原子吸收分光光度法、鄰苯三酚自氧化法、透射電鏡等技術研究了重金屬cu 、 zn 、 cd和cr對鯽魚的急性毒性及其安全濃度評價、混合重金屬在鯽魚幼體組織內的積累和分佈、 cd對鯽魚鰓和肝臟中sod活性的影響、 cd對鯽魚肝細胞和腎細胞超微結構的影響等，全面和系統地研究了水環境中重金屬暴露對魚類的毒性影響，初步探討了重金屬污染對魚類的個體? ?器官? ?組織? ?細胞? ?分子等各水平層次的影響，為制定漁業生產上預防性的管理措施提供科學依據，及時避免或減輕重金屬污染對水生生態系統造成的損害。
  5. Oxidation of benzoin by ferric compounds

    三價鐵化合物對安息香的氧化
  6. This paper explained the technology that taking calces of pyrite as theraw materials, using the way of chemical process of mineral, dislodging the detrimental impurities with the measures of dipping lye and dipping acid oxide, wich aimed to get the rate of recovery of valuable metallic elements au 87 %, ag 76 %, cu 82 %

    摘要以黃鐵礦燒渣為原料，通過化學選礦的方法，採用堿浸及氧化酸浸的工藝，除去有害雜質和回收有價金屬元素金、銀、銅，回收率分別為87 % 、 76 % 、 82 % 。
  7. The diagnostic value of sonosalpingography with pro - drug carbamide peroxide for ultrasonic contrast in the infertility caused by tubal obstruction

    超聲晶氧聲學造影對輸卵管源性不孕癥的診斷價值
  8. Role of angiotensin type 2 receptor in cardiovascular system

    氧化應激模型的建立及其評價
  9. In this thesis, in order to reducing the amount of the pt catalyst, improving the electrocatalytic activity of the pt catalysts and utilization ratio of pt, the electrochemical codeposition method by cyclic voltammetry ( cv ) was used to prepare a series pt / moox / glassy carbon ( gc ) composite electrodes with high dispersibility. the composite electrode, pt / moox / gc, was characterized to study its composition and its electro chemical behavior by cv. using the xrd and sem techniques, the size and the dispersion degree of the catalyst particles were studied in presence or absence of moox in the catalyst

    為了降低主催化劑pt的用量、提高pt的活性和利用率，本論文利用循環伏安法共沉積制備高分散的pt moo _ x催化劑顆粒，利用循環伏安電化學表徵、 xrd和sem技術研究了引入moo _ x后的催化劑即pt moo _ x顆粒的粒子大小、分散狀態；利用icp - aes定量分析pt moo _ x催化劑顆粒的組成含量；並藉助于電化學方法分別評價了pt moo _ x gc電極催化劑的對甲醇的電催化活性和穩定性、氧還原電催化活性。
  10. In this thesis, the oxygen sensitive materials and glucose sensitive materials had been developed by thermo - polymerization method including carrier covalence method and carrier covalence - cross linking method, and the properties had been investigated using the detection experiment of oxygen and spectrophotometer, at the mean time, the applications of oxygen sensitive materials in fiber optical gaseous oxygen sensor and fiber optical dis solved oxygen sensor, and that of biology sensitive materials in fiber optical dextrose sensor had been studied in this paper. major content of this work includes five aspects as follows : ( 1 ). oxygen sensitive materials had been prepared by carrier covalence method, and the preparation mechanism of the materials had been investigated by fi - ir, sem, and the detection experiment of oxygen

    本論文主要包括以下五個方面的內容： （ 1 ）載體共價法制備氧敏感材料：通過紅外光譜、掃描電鏡圖譜和氧測試實驗探討該氧敏感材料的制備機理，通過氧測試實驗評價該氧敏感材料的氧敏感性和穩定性，同時研究了各種因素對該氧敏感材料性能的影響（ 2 ）載體共價?交聯法制備氧敏感材料：通過紅外光譜、掃描電鏡圖譜和氧測試實驗探討該氧敏感材料的制備機理，通過氧測試實驗和分光光度計評價該氧敏感材料的氧敏感性和穩定性，同時研究了各種因素對該氧敏感材料性能的影響（ 3 ）氧敏感材料在光纖氣態氧傳感器中的應用：該傳感器的響應時間為10s ，檢測下限為5ppm ，檢測精度為0 . 5 ，具有較好的重復性和穩定性，遲滯較小，使用壽命至少為1年，適合各種環境下氣態氧濃度的檢測。
  11. Deferrizers and demaganizers are series of products designed by our company for underground water with comparatively high iron and managanese content according to aerating oxidation priciple. in these prducts, packed natural manganese sand in filter is applied as filtering materials, and oxygen in air is applied as oxidants, to make ferrous iron in water oxidized into ferric iron, in a same time, oxidation reaction makes its produced its produced substances left in filtering materials for purposes of deferrization and deman - ganization

    除鐵錳裝置是我公司針對鐵、錳較高的地下水，按曝氣氧化法的原理而設計的系列產品，它是利用過濾器內裝填城然錳砂為濾料，利用空氣中的氧化劑，使水中的二價鐵，同時發生氧化反應使其物進截留在濾料中，從而達到除，除錳的目的。
  12. Haematococcus pluvialis has a rich accumulate astaxanthin content up to 4 % dry weight, ranking the best producer of astaxantion

    蝦青素是一種具有極強抗氧化活性的類胡蘿卜素，具有廣泛的應用價值。
  13. The photocatalytic activity of the samples was evaluated by the photocatalytic oxidation of nitrogen monoxide in the gaseous phase and the photocatalytic decolorization of methyl orange solution in the aqueous phase, respectively. the titania thin films on fused quartz were prepared by lpd method and then calcined at different temperatures

    用液相沉積法在石英玻璃上制備了二氧化鈦薄膜，並在不同的溫度下進行熱處理，用甲基橙水溶液的降解脫色評價二氧化鈦薄膜的光催化活性。
  14. 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。
  15. Covalent modification of horseradish peroxidase and its application in enzyme sensor

    共價修飾的辣根過氧化物酶及其在酶傳感器中的應用
  16. Azo ( aluminums zinc oxide films ) which have many characteristics such as high ratio of performance to price and innoxious are the replacer of ito ( indium tin oxide films )

    摻鋁的氧化鋅薄膜（ azo ）具有性價比高、無污染等特點，是摻錫氧化銦（ ito ）的最佳替代產品。
  17. The silicon atom occupies the space opening ( interstice ) between the oxygen atoms and shares four valence electrons with the four oxygen atoms

    硅原子占據了氧原子之間的空隙並且和四個氧原子共用化合價。
  18. ( c ) the total energy of manganate - oxides materials decreases after intercalation lithium. the electrovalent bond weakens and the covalent bond strengthen between manganese and oxygen due to ion polarization effect, which makes the spinel structure more stable

    （ 3 ）對于錳系材料嵌鋰后，體系總能量降低；鋰離子的靜電作用和極化作用，使錳氧之間的離子鍵成分減小，共價鍵成分增加，整個尖晶石骨架結構更加穩定。
  19. The discovery of the colossal magnetoresistance ( cmr ) in hole - doped perovskite manganites ra1 - xmxmno3 ( ra is a trivalent rare - earth ion and m is a metal ion ) has attracted much attention since 1989 due to not only its technological applications in magnetic recording and sensor, but also the effect of the strong correlation concerning metal - insulator transition in the field of basic research. since then, several physics models have been suggested to explain the mechanism of cmr. however, the exact mechanism of cmr remains to be done

    自1989年在摻雜鈣鈦礦型錳氧化物ra _ （ 1 - x ） m _ xmno _ 3 （其中m為金屬離子， ra為三價稀土離子）中發現龐磁電阻（ cmr ）以來由於其在磁記錄、磁傳感器等方面潛在的應用前景，以及金屬?絕緣體相變等所涉及的強關聯效應，使該類化合物吸引了物理學界的廣泛注意。
  20. The eco - environmental benefits are composed of the followings : water resources conserved amount to 28 percent, 422. 2 million yuan, land resources protected and improved make up 3 percent, 40. 6 million yuan, carbon fixation and oxygen production for 17 percent, 254. 4 million yuan, environmental decontamination take up 26 percent, 395. 5 million yuan, and ecological tourism covers 26 percent, 383. 2 million yuan

    生態環境效益價值中，攔蓄保護水資源價值42222 . 2萬元，占總價值的28 ；保護改良土地資源價值4060 . 3萬元，占總價值的3 ；固碳制氧價值25442 . 9萬元，占總價值的17 ；凈化環境價值39546 . 4萬元，占總價值的26 ；生態旅遊價值38321 . 2萬元，占總價值的26 。
分享友人
分享到 Line

分享到臉書