苯二甲酐 的英文怎麼說

中文拼音 [běnèrjiǎgān]
苯二甲酐 英文
phthalic anhydride
  • 二 : Ⅰ數詞（一加一后所得） two Ⅱ形容詞（兩樣） different
  • 甲 : Ⅰ名詞1 （天乾的第一位） the first of the ten heavenly stems2 （爬行動物和節肢動物身上的硬殼） she...
  • 酐 : 名詞[化學] （酸酐的簡稱） anhydride
  1. Suitable anhydrides for use in this process include phthalic, maleic, and succinic.

    適用於本法的酸酐有苯二甲酸，馬來酸及琥珀酸的酸酐。
  2. Health standard for phthalic anhydride in the air of workplace

    車間空氣中鄰苯二甲酸酐衛生標準
  3. Tao feng changzhou chemical company located in the jiangsu international plastics city, is in changzhou city, the river additives ltd. and jurong city tao reagent production plant product sales window, the major products : toluene, pure benzene, xylene, n - octanol, ethyl acetate, acetic acid small fat, silicone oil, aniline, poly - succinimide, benzene triazole derivatives, isopropanolamine, ethanolamine, alkylation two aniline, scale inhibitor, promoting agents, antioxidants, ppd, defoamer, metal deactivator, hx - 3308 scale and corrosion inhibitor, hx03 - 12 diesel flow improver, parathion octyl - zinc chloride bridge acid, chlorine bridge anhydride, chlorobenzene, double - dicyclopentadiene, norbornene anhydride

    常州濤峰化工有限公司座落在江蘇國際塑化城，是常州市夏溪助劑有限公司和句容市龍濤試劑廠生產的產品的銷售窗口，主要經營產品：甲苯、純苯、二甲苯、辛醇、乙酸乙脂、乙酸丁脂、硅油、二苯胺、雙聚丁二酰亞胺、苯三唑衍生物、異丙醇胺、乙醇胺、烷基二苯胺、防垢劑、促進劑、抗氧劑、降凝劑、消泡劑、金屬鈍化劑、 hx - 3308阻垢緩蝕劑、 hx03 - 12柴油流動改進劑、硫磷丁辛基鋅鹽、氯橋酸、氯橋酸酐、氯苯、雙聚環戊二烯、降冰片烯二酸酐等。
  4. Chemical reagent. o - phthalic anhydride

    化學試劑.鄰苯二甲酸酐
  5. The effect of the catalysts, e. g., concd. sulfuric acid, p - toluenesulfonic acid, dodecylbenzenesul - fonic acid on the esterification of starch was studied with cassava starch as the raw material, acetic anhydride as the esterifying agent and acetic acid as the dispersion medium

    摘要以木薯澱粉為原料，用醋酸酐為酯化劑，以乙酸為分散遞質，探索了以濃硫酸、對甲基苯磺酸、十二烷基苯磺酸為催化劑對澱粉醋酯化反應的影響。
  6. A process approaching 3 - and 4 - chlorophthalic anhydride in high purity via chloriation of o - xylene, oxidation of monochloro - o - xylene by air in gas phase, and separation of 3 - and 4 - chlorophthalic anhydride afterwards by distillation is described

    摘要介紹由鄰二甲苯氯代，再經空氣氧化及異構體分離合成氯代苯酐中試規模的合成路線。
  7. Sampling and handling naphthalene, maleic anhydride and phthalic anhydride

    萘，順丁烯二酐，苯三甲酸酐的抽樣和處置方法
  8. Abstract : an imidazole - catalyzed acylation method of phthalic anhydride is applied to the determination of hydroxyl values of reinforcing agent is211. the analytical error is 5. 0 10 - 3. the relative standard deviation of the method is less than 0. 04 and its coefficient of variation is not more than 5. 0 10 - 3. hydroxyl values determined in different batch samples meet the design requirement completely. this method is rapid and simple, it is adaptable to conventional analysis

    文摘:以咪唑催化鄰苯二甲酸酐酰化的方法測定增強劑is211的羥值，準確度高，分析誤差為5 . 0 10 - 3 ；方法精密度好，標準偏差小於0 . 4 ，變異系數不大於5 . 0 10 - 3 ，測定不同批號試樣的羥值完全符合商標值，方法快速、簡便，適用於常規分析。
  9. Hydroxyquinol triacetate was prepared from p - benzoquinone by 1, 4 - addition reaction with acetic anhydride and then 6, 7 - dihydroxy coumarin was synthesized from it by hydrolyze and cyclization in concentrated sulfuric acid. then 6, 7 - dimethoxy coumarin was synthesized by methylating from 6, 7 - dihydroxy coumarin with an overall yield of 74. 4 %. the procedure was practical. its structure was confirmed by ir and 1hnmr

    對苯醌與乙酸酐經1 ， 4 -加成生成1 ， 2 ， 4 -苯三酚三乙酸酯，然後與蘋果酸反應經水解、環合反應得6 ， 7 -二羥基香豆素，再經甲基化得到6 ， 7 -二甲氧基香豆素，總收率為74 . 4 % ，整個過程反應條件溫和，操作方便，適合工業生產的要求，對產品結構進行了ir和1hnmr表徵。
  10. A variety of aldehydes were converted into acylals in good yields with anhydride in the presence of a catalytic amount of zinc bromide under solvent - free conditions

    以醛和酸酐為原料，溴化鋅為催化劑，無溶劑條件下高產率地合成了偕二酸酯（其中醛與苯甲酸酐的反應是首次報道） 。
  11. Tetra hydro phthalic anhydride

    四氫鄰苯二甲酸酐
  12. Phthalic anhydride min

    鄰苯二甲酸酐
  13. Binders for paints and varnishes - alkyd resins - determination of phthalic anhydride content

    塗料和清漆用粘合劑.醇酸樹脂.鄰苯二甲酸酐含量的測定
  14. Binders for paints - methods of test for alkyd resins - determination of phthalic anhydride content

    塗料用粘合劑.醇酸樹脂的試驗方法.鄰苯二甲酸酐含量的測定
  15. Polyglycols for industrial use. determination of hydroxyl number. phthalic anhydride esterification method

    工業用聚乙二醇.羥基數值的測定.鄰苯二甲酸酐酯化法
  16. Binders for paints and varnishes - alkyd resins - part 2 : determination of phthalic anhydride content

    色漆和清漆用粘合劑.醇酸樹脂.第2部分:鄰苯二甲酸酐含量的測定
  17. Non - ionic surface active agents - polyalkoxylated derivatives - determination of hydroxyl value - phthalic anhydride method

    非離子表面活性劑聚烷氧基化衍生物羥值的測定鄰苯二甲酸酐法
  18. Xt - nc - 196sp is phthalic anhydride diols and standards as the main raw materials for food - grade resin lining winding, medium viscosity and reactivity, after curing with excellent mechanical properties

    Nc是以鄰苯二甲酸酐和標準二元醇為主要原料的食品級纏繞內襯樹脂，具有中等粘度和反應活性，固化后具有優良的機械性能。
  19. A series of n - phthaloyl - chitosan with different degrees of substitution were synthesized rapidly in homogeneous solution at room temperature

    摘要通過鄰苯二甲酸酐與殼聚糖在室溫、均相條件下快速反應，制備一系列取代度不同的n -鄰苯二甲酸化殼聚糖。
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