酸性組分 的英文怎麼說

中文拼音 [suānxìngzǔfēn]
酸性組分 英文
acid constituents
  • 酸 : 酸構詞成分。
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 組 : Ⅰ名詞1 （由不多的人員組成的單位） group 2 （姓氏） a surname Ⅱ動詞（組織） organize; form Ⅲ量詞（...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 酸性 : [化學] acidity; acidness; acerbic; acidic property酸性材料 acid material; 酸性促進劑 acid acceler...
  1. The results indicate that : 1. the main physical and chemical characteristics vary regularly : with rising of the altitude, there is a transition from silt > sand > clay to sand > silt > clay in the mechanical composition ; the argic horizon emerges below the altitude of 1600 meters ; the content of organic matter is enrichment, the content of organic carbon of epipedon is higher than 20 g / kg, while the content of organic carbon increases with increasing of altitude, and in the altitude of 3500 - 3700meters, the soils under the meadow have the maximum content organic carbon ; the soils appear acid - slightly acid reaction, the ph decreases appreciably and acid strengthen with increasing of altitude ; the soils higher than the altitude of 2500 meters are base unsaturated, indicating the soil leaching is strong, the ph and bs are distinct plus correlated ; the contents of sio2, al2o3, and fe2o3 of the soil body and clay are all relatively stabilization ; in the soil body, the content of sio2 is much high and cao is very little, the total contents of sio2, a12o3 and fe2o3 occupy 92 % of the mineral parts, the sequence of mineral elements is : sio2 > al2o3 > fe2o3 > k2o > mgo > cao > tio2 > mno

    研究結果表明： 1太白山南坡土壤的主要理化性質隨海拔高度的上升呈有規律的變化：隨海拔高度上升，機械組成由粉粒砂粒粘粒逐漸過渡到砂粒粉粒粘粒，海拔1600m以下出現粘化層；土壤有機質豐富，表層有機碳含量一般在20g kg以上，有機碳含量隨海拔高度升高而相應增加，海拔3500 3700m的灌叢草甸植被下有機碳含量最高；土壤呈酸性或微酸性，並隨海拔上升， ph值略微降低，酸性增強，海拔2700m以上的土壤多呈鹽基不飽和狀態，表明土壤淋溶作用較強， ph值和鹽基飽和度呈極顯著正相關；土體與粘粒中的sio _ 2 、 al _ 2o _ 3 、 fe _ 2o _ 3含量相對比較穩定，土體中sio _ 2含量較高， cao含量較少， sio _ 2 、 al _ 2o _ 3和fe _ 2o _ 3含量之和約占土壤礦質部分的92 ，礦質元素含量的順序依次為： sio _ 2 al _ 2o _ 3 fe _ 2o _ 3 k _ 2o mgo cao tio _ 2 mno 。
  2. Based on the curve, the adulterated peanut oil can be detected fast, the error amount of which is at least 5 %

    發現油中脂肪酸組成及其特徵組分的變化成線性規律，由此做出工作曲線，可快速定性、定量摻偽油，且摻偽量的最低檢出限可達到5 % 。
  3. According to the research of physiological and biochemical indicators or index, components of soluble proteins, substrate protein of phosphorylation and the activity of protein kinase in low - temperature stress in the leaves of brassica oleracea l., we tried to find the law of the physiological and biochemical response of brassica oleracea l. leaf to low temperature. at the same time, discussion on the signal transduction can also provide further evidences for revealing the mechanism of low - temperature stress. the results are showed as follows : malondialdehyde ( mda ), superoxide dismutase ( sod ), ascorbate peroxidase ( asp ) and peroxidase ( pod ) activities were changed greatly after 0 ~ 30min ' s treating with low temperature

    本文以甘藍葉片為材料，通過對低溫5脅迫下甘藍生理生化指標、可溶性蛋白組分以及磷酸化底物蛋白、蛋白激酶活性的研究，以期找出甘藍葉片對低溫脅迫的生理生化響應規律，為甘藍露地越冬栽培防範寒害提供理論指導，同時對低溫脅迫下甘藍逆境信號傳導進行了探討，從而為徹底弄清低溫脅迫機理提供進一步的證據，研究的主要結果如下：丙二醛含量（ mda ） 、超氧化物歧化酶（ sod ） 、抗壞血酸過氧化物酶（ asp ）和過氧化物酶（ pod ）活性在低溫處理0 30min發生顯著變化，低溫處理3min后，甘藍葉片內mda含量基本沒有變化，處理5min時出現第一個峰值，達到對照的104 . 10 ， 10min出現低谷，僅為對照的86 . 27 ，隨后再次上升， 30min時超過第一峰值，為對照的113 . 93 。
  4. The obtained polysilane - polyacrylate gradient films showed no macro - interface with the silicone content reducing gradually from the top surface to the bottom one. dma thermograms indicated that polysilane - polyacrylate gradient films contained two glass temperatures with their bands drifting from and their range extending much from each component. the good properties of waterproof, calorifics, and ultraviolet - absorption were also determined by dsc, uv and water contact angle measurements

    結果表明：有機硅聚合物-聚丙烯酸酯梯度膜有一個較寬的玻璃化轉變溫區，玻璃化轉變范圍相對組分材料的玻璃化轉變范圍發生了擴展：有機硅聚合物-聚甲基丙烯酸酯梯度膜具有較好的熱學性能；硅含量的提高有利於改善膜層的憎水性能和紫外吸收性能。
  5. The results of x - ray diffraction showed that there somehow existed some mutual influence between the two components in sf / pego blend membranes, which restrained silk crystallize but induced the formation of silk ii in blend films. the result of thermal analysis indicated that the thermal stability of silk fibroin in the blend membranes was improved, which was attributed to the addition of pego. the amino acids analysis showed the pego and silk fibroin combined with the covalent bond, and the dissolubility of silk fibroin in membranes was decreased

    X射線衍射和紅外光譜分析結果表明pego改性絲素膜中，成膜的兩種組分間存在某種相互作用， pego抑制了絲素silk結晶，隨分子量的增加，促進了絲素silk結晶；熱分析結果表明pego的加入提高了絲素的熱穩定性；氨基酸分析表明pego與絲素發生了共價交聯，膜中絲素在熱水中的溶失率大大降低。
  6. The shellac erythrophyll is from the parasitism the resinous substance shellac which in places the such as india, thailand, burma, china leguminosae, on the mulberry branch plant s lac insect secretes with the thin sodium carbonate watery solution extract fine but, assumes the reddish purple color either the bright red powder or the liquid, by shellac acid a and shellac acid b, c, e and so on is composed, serves as the edible erythrophyll, when the acidity assumes the orange, is extremely stable

    紫膠紅紫膠紅色素是從寄生於印度、泰國、緬甸、中國等地的豆科、桑科植物上的紫膠蟲所分泌的樹脂狀物質紫膠用稀碳酸鈉水溶液萃取精緻而得，呈紅紫色或鮮紅色粉末或液體，由紫膠酸a和紫膠酸b 、 c 、 e等組成，用作食用紅色素，酸性時呈橙色，非常穩定。
  7. Using redox initiation, a kind of room - temperature fast curing two - component adhesive was prepared with expoxy arcylate, other active monomers and additives

    採用氧化還原的引發方式，用環氧丙烯酸酯及其它活性單體和添加劑制備出一種室溫快固型雙組分膠粘劑。
  8. According to the polarity, the residue was isolated with petroleum ether, chloroform, ethyl acetate, and n - buoh, respectively. the n - buoh fraction, confirmed as neuroactive component, was subjected to sephadex lh - 20 column chromatography to provide an extract fraction, as a buff powder, which could induce neurite outgrowth in rat pheochromocytoma pc12 cells in a dose - dependent manner up to 50 mg / l

    將菟絲子乾粉用75乙醇浸泡后，減壓蒸干后得到褐色漿狀物，經石油醚、氯仿、乙酸乙酯、正丁醇萃取，經柱層析后，再用葡聚糖凝膠對有效成份進一步純化，獲得了菟絲子中能誘導pc12細胞分化的活性組分。
  9. The active agent was confirmed as oligosaccharide, mostly composed of glucose by pc, vc and acidhydrolysis. the active agent is stable between ph2 - 12 and below 90c

    通過紙層析（ pc ）和柱層析（ vc ）分析，活性組分酸水解分析初步證實了其組分為葡萄糖為主要成分組成的寡糖類物質。
  10. Separation of acidic components from heavy oil and research of its interfacial activity

    超稠油中酸性組分的分離及其界面活性研究
  11. In this report, the composition of amino acid, oil and its physical and chemical characters in mulberry seeds were determined and analyzed

    摘要測定了桑籽中氨基酸的組成和桑籽油脂肪酸的組分及理化特性指標。
  12. The analytical results of bio - oi1 obtained from fast pyrolysis of apricot stone under 600 show that the principal sub fractions are acidic fraction and neutral bio - oi1

    對600下杏核快速熱解油的分析結果表明，生物油主要由酸性組分和中性油組成。
  13. This kind of catalyst was very fine, with strong interaction between the support and the active component particle, and high dispersion of such particles on the surface of the support. yield of carbon nanotubes can also be improved greatly by the doping of molybdenum to catalyst

    本文所採用的檸檬酸法瞬時燒爆工藝制備的催化劑，顆粒小，載體與活性組分接觸好，活性組分分散均勻，可望實現單壁納米碳管的大規模製備。
  14. Especially, when - bi together with a little carbon black ( cb ) or copper salt is used, the catalytic effect is better ; the flame structures of the double - base propellants containing - bi are similar to the typical plateau double - base propellant, but the combustion temperature distribution has been changed because of adding the - bi ; and the active components of catalysts deposit on the burning surface of propellants and the quenched surfaces of propellants with various catalysts possess different structure

    它與銅鹽和少量炭黑（ cb ）復合后，催化效果更優； 2 ， 4 -二羥基苯甲酸鉍加入后，推進劑的火焰結構保持了典型平臺雙基推進劑的結構特徵，但改變了雙基推進劑燃燒波溫度分佈，炭黑和銅鹽的加入對2 ， 4 -二羥基苯甲酸鉍的催化作用有很大影響；催化劑分解的活性組分富集在燃燒表面，不同催化劑使推進劑熄火表面形成不同的結構。
  15. A quantitative pretreatment scheme suitable to gc - ms analysis of bio - oil was proposed for the first time in china, and an extensive determination of the chemical composition of bio - oil fractions was performed by means of gc - ms coupling. these studies were crucial for the upgrading and utilization of bio - oil. using some novel designing method, which are suitable to biomass and pyrolysis characteristics, were applied in designing the fluid bed biomass flash pyrolysis system

    並且率先在國內提出了適合於gc - ms分析的生物油的量化預處理方案（液?液萃取分離法） ，得出了各個組分（酸組分、堿組分、極性中性組分以及碳氫組分）在生物油中所佔的份額，並對預處理所得的各個組分分別進行了gc - ms分析，鑒定出了上百種化學成分。
  16. Standard test method for determination of total active ingredients in sulfonated and sulfated oils

    測量碘化油和硫酸鹽油中全部活性組分的標準試驗方法
  17. The major components of acidic fraction are phenols and organic acids

    酸性組分主要由酚類化合物和有機羧酸組成。
  18. Compared with the catalyst prepared by precipitation, the catalyst prepared by microwave shows more homogenous distribution in particle and pore size and better catalytic activity with the yield of dpc of about 7 %

    與沉澱法相比，微波法制備的催化劑具有比較均勻的尺寸和形狀，活性組分在載體上的分佈較好，催化劑活性較高，碳酸二苯酯的收率接近7 % 。
  19. This paper outlines the research overview of reaction mechanism of vinyl acetate synthesis from acetic acid and acetylene catalyzed by active carbon - zinc acetate, and reviews the researches on the catalyst supporter, the major metal catalyst, the promoters and the deactivation mechanism at home and abroad

    摘要從乙炔法氣相合成醋酸乙烯的反應機理入手，綜述了醋酸鋅活性炭催化劑的載體、活性組分、助劑以及失活機理的國內外研究情況。
  20. The regulation of acid catalytic property of molecular sieve can be realized via surface modification of mesoporous molecular sieve by means of introducing doping metals into skeleton or loading active species onto matrix during synthesizing precursor for mesoporous molecular sieve

    在合成介孔分子篩的前驅物中摻雜其他金屬元素而將其引入骨架或將活性組分負載到介孔分子篩的基體上，可以實現對介孔分子篩表面進行表面修飾與改性，以調變分子篩表面的酸催化性能。
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