formaldehyde solution 中文意思是什麼

formaldehyde solution 解釋
甲醛溶液
  • formaldehyde : n. 【化學】甲醛。
  • solution : n. 1. 溶解；溶液，溶體，溶劑。2. （補輪胎用的）橡膠水；〈美國〉藥水。3. 解決，解答 （of; for; to）; 解釋；（數學等的）解法，解式。4. 免除，解除。5. 【醫學】消散，消退。
  1. The factors influencing on the performance of ash - jd such as the moore ratio of monomers, the reaction temperature and time, concentration, the ph value of reaction solution and the drippy speed of formaldehyde were studied carefully. through experiments, the optimum level of those factors was gained

    論文詳細研究了反應單體的摩爾比、反應溫度、時間、濃度、反應溶液的酸堿度及甲醛的滴加速度等對產品ash - jd性能的影響，通過試驗，得到了這些因素的最佳水平。
  2. Study on silver recovery from waste fixing solution with formaldehyde reduction

    二氯二氨合鈀用氧化法制備氯化鈀的研究
  3. Standard method for hygienic examination of sulfur dioxide in air of residential areas - formaldehyde solution sampling - pararosaniline hydrocloride spectrophotometric method

    居住區大氣中二氧化硫衛生檢驗標準方法甲醛溶液吸收-鹽酸副玫瑰苯胺分光光度法
  4. Distillation process of formaldehyde aqueous solution with low - content methanol

    低甲醇含量甲醛水溶液的精餾過程研究
  5. The urea - formaldehyde ( uf ) polymer / sio2 composite microspheres were prepared by polymerization - induced colloid aggregation ( pica ) method. the formation mechanism of composite microspheres is attributed to the fact that that urea and formaldehyde firstly undergo acid - catalyzed polymerization to form oligomers, and then the sol particles are adsorbed on the chain of oligomers by wan der walls force and hydrogen bonding. when the oligomers reach the critical chain length, they separate from solution due to phase separation

    對復合微球形成機理的研究表明，尿素和甲醛在酸性條件下自身聚合可以形成高分子微球，在sio _ 2酸性溶膠中發生聚和反應時，隨著反應的進行，齊聚物不斷生成， sio _ 2膠體顆粒逐漸吸附在齊聚物分子鏈上，當聚合物鏈達到沉澱臨界鏈長時，由於相分離作用，從前驅物溶液中析出，同時sio _ 2膠體顆粒均勻的分佈在脲醛聚合物網路中，隨之沉澱出來，形成脲醛sio _ 2復合微球。
  6. 1. capacity and discharge efficiency of polyacene capacitors were systematically studies and electrolyte is aqueous and aqueous solution a series of pristine sample were prepared by pyrolysis of phenol formaldehyde resin moulded with znc, this inorganic salt used together with the resin served not only as the pore - forming agent to form open pores, which grow into a three - dimensional network structure in the cured material, but also as the microstructure - controlling agent to form a loose structure dopable with bulky dopants such as bf4 and so on

    首次系統地研究了聚並苯導電材料作為雙電層電容器的電極活性材料時，在水系和非水系電解質中的容量及庫侖效率。用化學方法合成可溶性酚醛樹脂，加入的zncl _ 2在聚並苯的制備過程中既是成孔劑，使在處理的材料中形成三維網狀微孔，同時它又是微孔控制劑，形成能被bf4 -等體積較大的摻雜劑所摻雜的疏鬆結構。
  7. Thermoplastic phenol - formaldehyde resin bond synthesized by solution po1ymeization is commonly used in making diamond grinding wheel, which has disadvantages such as : absorbing moisture, difficult mixing, can not being long term store, needing curing agent, and giving off dangerous gas

    目前，金剛石樹脂砂輪普遍採用溶液聚合熱塑性酚醛樹脂作結合劑，此結合劑存在著易吸潮結團、混料困難、不易長期存放，需加固化劑才能固化，且固化過程中有大量的有害氣體溢出，使用時需要加工成粉末等缺點。
  8. The solution was alkaline, and formaldehyde ( hcho ) was used as a reducing agent. plating was carried out at middle temperature / low temperature and ultrasonic radiation

    化學鍍銅溶液為堿性的甲醛為還原劑的鍍液，鍍覆在室溫、超聲波的條件下進行。
  9. Abstract : the method of using formaldehyde buffer solution a b sorption - hydrochloric pararosaniline spectrophotometry to determine sulfur diox ide in air has higher sensitivity and good selectivity, and prevents from adoptin g mercurial absorbent. but the conditions in lab are not well controlled, the v alue of reagent blank and standard curvilinear slope can ' t accord with the one s tipulated in “ methods for air and waste gas monitoring and analysis ”. some opra tional techniques for so2 determination in lab are introduced for reference

    文摘:以甲醛緩沖溶液吸收-鹽酸副玫瑰苯胺分光光度法測定空氣中的二氧化硫，方法靈敏度高，選擇性好，避免了使用含汞的吸收液，但如果實驗條件控制不好，試劑空白值及標準曲線的斜率就會不符合《空氣和廢氣監測分析方法》中規定的值，本文著重從操作技巧方面對二氣化硫測定的實驗室質量控制進行分析，僅供參考。
  10. Formaldehyde solution for industrial use

    工業甲醛溶液
  11. Effect of content of methanol in formaldehyde solution on properties of phenolic

    甲醛中甲醇含量對酚醛樹脂性能的影響
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