磺化度 的英文怎麼說

中文拼音 [huánghuàdù]
磺化度 英文
degree of sulphonation
  • 磺 : 名詞（硫磺） sulphur
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  1. In the synthesizing process, the ph value in hydroxymethylated stage, the reaction time, temperature and the moore ratio of sodium bisulfate to melamine in the sulfonated stage, and die ph value in the condensation stage, are important factors influencing on the performance of jd

    在合成過程中，羥甲基化階段的ph值，磺化階段的ph值、時間、溫度和投料摩爾比，縮合階段的ph值等對減水劑性能影響顯著。
  2. Kinetic spectrophotometric determination of trace nitrite in water samples with indigo carmine and potassium bromate redox system

    靛藍二磺酸鈉催化光度法測定水中痕量亞硝酸根
  3. The effects of different current density on the alloying element content were discussed. based on the results, the optimal process condition was confirmed : pb ~ ( 2 + ) 80 - 90 g / l sn ~ ( 2 + ) 7 - 15 g / l ch _ 4so _ 3 ( dissociative ) 130 - 150 g / l composite additive 12 ml / l current density 2 - 6 a / dm ~ 2

    採用hull槽實驗方法確定了甲磺酸體系電沉積pb - sn合金鍍層的電流密度范圍，並探討了不同沉積電流密度下pb 、 sn合金含量的變化規律。
  4. Method of analysis baryte for export. determinationof ferric oxide by sulfosalicylic acidspectrophotometric method

    出口重晶石分析方法.磺基水楊酸分光光度法測定三氧化二鐵
  5. Method for chemical analysis of manganin and novokostant resistance alloy the sulphosalic acid photometric method for the determination of iron content

    錳銅和新康銅電阻合金化學分析方法磺基水楊酸光度法測定鐵量
  6. Cellulose acetates with different substitution degrees were synthesized with wood pulp as raw material and dodecylbenzenesulfonic acid as catalyst

    摘要以木漿為纖維素原料、十二烷基苯磺酸為催化劑，制備了一系列不同取代度的纖維素醋酸酯。
  7. Abstract : using sulfamie acid as catalyst, synthesis of benzyl acetate and phenylethyl acetate through esterification were studied. the yields are good with high purity

    文摘:研究了氨基磺酸催化酯化合成乙酸芐酯和乙酸苯乙酯。此工藝反應時間短、能耗低、產品純度高、產率良好、無三廢污染，優于文獻方法。
  8. Using sodium dicyandiamide and saccharin as raw materials, tribenuron - methyl is synthesized via ring - opening reaction, phosgenation and condensation with total yield of 57. 0 % and product purity of 95. 6 %

    以雙氰胺鈉和糖精為起始原料，經過開環、光氣化、縮合等一系列反應制備了苯磺隆，合成反應的總收率可達57 . 0 %以上，純度可達95 . 6 %以上。
  9. A new surfactant heavy crude oil sulfonates ( hcos ) was synthesized from daqing heidimiao oil with fuming sulfuric acid

    考察了酸烴比、反應溫度、反應時間對磺化反應的影響。
  10. Abstract : the mixed salts of diethanolamine and sodium of lauramidoethylene sulfosuccinate is prepared to modify the products with the mixture of the diethanolamine and hydrogen sulfite of sodium as sulphonating agent. the transparency problem of the product is solved. the result of investigation illustrates the major physocochemical properities of the products after the modifying are basically corresponding to the one before the modifying, and the products have a strong containing salt ability, it is fit to compound the products of the high salt content

    文摘:採用亞硫酸氫鈉與二乙醇胺的混合物作磺化劑，對琥珀酸月桂酰胺基乙酯磺酸鈉進行改性，制得了鈉與二乙醇胺的混合鹽，改善了產品的透明度.性能分析表明：改性前後其主要表面物理性能基本相當，且改性后該產品具有較強的抗鹽能力，適用於含鹽量較高的製品
  11. Effect of laccase treatment conditions of lignosulphonate on shearing strength of plywood

    漆酶活化木素磺酸鹽條件對膠合板強度的影響
  12. Nickel - determination of iron content - sulfosalicylic acid spectrophotometric method

    鎳中化學分析方法磺基水楊酸分光光度法測定鐵量
  13. By static tests, studied the uf characteristics of the uf membranes, which have two kinds of intercept molecular eight, and made from pes, pek, spes and spk ， in treating black liquid from basic straw pulp. the result showed : at the condition of static contacting, the pes and spes spk are polluted by composition of black liquid in a less degree, and the pek is in the heaviest edgree. the sulphonaled membranes with higher negative charge have better uf characteristics of black liquid. the uf membranes characteristics of 20 thousand intercept molecular weight are superior to 50 thousand intercept molecular weight

    通過靜態試驗，研究了兩種截留分子量的聚醚碸、聚醚酮、磺化聚碸/聚醚碸、磺化聚碸/聚醚酮等超濾膜處理堿法草漿黑液的超濾特性，結果表明：靜態接觸條件下，聚醚碸及磺化類膜受黑液組份的污染程度較輕，聚醚酮膜的污染程度最重；荷負電性較高的磺化類膜具有較好的黑液超濾特性；截留分子量2萬的超濾膜特性要優於5萬的膜。
  14. Using silicon dioxide, magnesia, aluminum hydroxide to react with sulfonic acids, color fixatives under standard proportioning, through curing and drawing into thread - like form, this product is made with mechanical twisting as per specific speed and number of strands after drying treatment, featruing a certain tensile strength

    本品用二氧化硅、氧化鎂、氫氧化鋁同磺酸、固色劑等按標準配比反應，經固化抽制線狀，再經乾燥處理后，並按規定速數和股數，經機械加捻而成，並有一定的抗拉強度。
  15. Methods for chemical analysis of melted welding fluxes. the sulfosalicylic acid photometric method for determination of iron oxide content

    熔煉焊劑化學分析方法.磺基水楊酸光度法測定氧化鐵量
  16. The properties of the membranes such as proton conductivity, water uptake, swelling degree and thermal stability were measured. results show that the sulfonated sbs membranes had good proton conductivity, at the same time, the water uptake and the swelling degree could meet the need of fuel cell

    通過對不同磺化度的質子交換膜的電性能、吸水率、溶脹率以及熱穩定性等性能進行了研究，表明磺化sbs膜具有了比較好的質子傳導能力，吸水率與溶脹率也能滿足燃料電池的工作需求。
  17. Fiber / sulfonated sbs composite membranes were made by way of integrating s - sbs with the glass fiber felts, just in connection with the problems of the brittleness and poor strength of s - sbs membranes

    針對s - sbs膜強度較低和干膜較脆的問題，通過復合玻璃纖維氈制備了纖維復合磺化sbs膜。
  18. The result shows that the carbocoal produced by modified lignite under low temperature pyrolysis is a good raw material for preparing sulphonated coal ; the quality of raw materials and the temperature are the most important factors affecting the products

    結果表明：褐煤低溫熱解改質后的半焦是生產磺化煤的優質原料，其原料性質和磺化溫度是磺化煤質量的重要的影響因素。
  19. Abstract : the basic synthesis process parameters of water reducing agent of melamune series was studied. the factors affecting hydroxymethylation, stlfonation, low - ph condensation, and high - ph condensation were thoroughly studied. from that, the good conditions for every stages were determined. by addition of compound additives made of some cheap components, the production cost of melamine water reducing agent was greatly decreased so that the spread and application value was increased

    文摘:研究了三聚氰胺系列減水劑的基本合成工藝，考察了各種因素對羥甲基化階段、磺化階段、縮聚階段的影響，確定了各階段的最佳工藝條件，通過加入一些廉價組分製成復合型減水劑，使得三聚氰胺系列減水劑的生產成本大幅度降低，提高了產品的推廣應用價值
  20. Aiming at the problems of being easy in peroxidation and low in mechanical strength in preparing sulphonated coal with lignite, feasibility of producing the sulphonated coal with lignite being pyrolyzed in low temperature and the influence of the factors such as the property of raw materials, the temperature, the time, and the size of materials on the quality of sulphonated coals were studied

    摘要針對褐煤生產磺化煤存在的容易過氧化和機械強度差的問題，用正交實驗法研究了褐煤經低溫熱解改質后的褐煤半焦生產磺化煤的可行性及原料性質、磺化溫度、磺化時間、原料粒度等因素對所生產磺化煤質量的影響。
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