羥值 的英文怎麼說
中文拼音 [qiǎngzhí]
羥值
英文
hydroxyl value
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羥 :
名詞[化學] (羥基) hydroxyl (group)
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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。
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In all those complexes, no matter which conformation ida assumes ( mer - or fac - style ), the two 0 atoms of 1n2o are both from carboxylic hydroxyl. however, by comparing the bond length, we can find that o ( 4 ) and o ( 2 ) atom is from different group in this complex, 0 ( 4 ) atom from carboxylic hydroxyl, whereas, 0 ( 2 ) from carboxylic carboxide
值得注意的是:在這個雙核配合物中,我們首次發現一種新穎的配位方式: ida上與金屬離子配位的三齒螯合原子是亞氨n原子、一個羧基上的
羥基o原子和另外一個羧基上的羰基o原子。
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Test methods for acid value, saponification value, ester value, iodine value, hydroxyl value and unsaponifiable matter of chemical products
化學製品的酸
值皂化
值酯
值碘
值羥基
值及不皂化物的試驗方法
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In this paper, the viscosity changes of hydroxy ethyl cellulose sol caused by a kind of mixed salt were studied, which provided valuable basic data and an adapting equation for its practical application
摘要研究了一種混合鹽的存在使
羥乙基纖維素溶膠粘度變化的情況,為其實際應用提供了有價
值的基礎數據和擬合公式。
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Hi this thesis, the setting time of various retarders had been tested, in which three retarders with good retarding action, citric acid, sodium tripolyphosphate, bone glue are respectively chosen from three types of retarders, hydroxyl carboxylic acid type, phosphate type and protein type, and the strength and setting time of gypsum added with them are determined. effect of some factors, such as ph value, fineness of hemihydrate, type of gypsum on the retarding action of the retarders is also studied
本文對多種緩凝劑進行凝結時間測試,選擇效果良好的
羥基羧酸、無機鹽和蛋白質類型的三種緩凝劑:檸檬酸、多聚磷酸鈉和骨膠,測定它們對石膏凝結時間、強度等宏觀性能的影響,並分別研究ph
值、石膏細度和石膏種類等因素對它們的緩凝效果的影響。
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Polyether polyols - determination of hydroxyl number
聚醚多元醇中
羥值測定方法
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Aromatics. determination of carbonyl value and carbonyl compounds content. free hydroxylamine method
香料羰
值和羰基化合物含量的測定游離
羥胺法
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Animal and vegetable fats and oil. determination of hydroxyl value
動植物脂肪和油.
羥值的測定
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Essential oils - determination of carbonyl value - potentiometric methods using hydroxylammonium chloride
香精油.羰基
值的測定.氯化
羥銨電勢計法
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Palyether polyols - determination of hydroxyl number
聚醚多元醇中
羥值測定方法
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Unsaturated polyester resin - determination of hydroxyl value
不飽和聚酯樹脂
羥值測定方法
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Determination of hydroxyl value - part 2 : method with catalyst
羥值的測定.第2部分:催化劑法
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Unsaturated polyester resin - determination of hydroxyl
羥值測定方法
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Determination of hydroxyl value
羥值的測定
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Application of ftir spectrophotometer in deternination of the hydroxyl value of polyether polyol
光譜儀在聚醚多元醇
羥值測定中的應用
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Important factors of accurate measurement in hydroxyl value of polyether polyol determination
準確測定聚醚多元醇中間品
羥值應注意的問題
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Non - ionic surface active agents - polyethoxylated derivatives - determination of hydroxyl value - acetic anhydride method
非離子表面活性劑聚乙氧基化衍生物
羥值的測定乙酐法
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Aromatics. determination of carbonyl value and carbonyl compounds content. hydroxylammonium chloride method
香料羰
值和羰基化合物含量的測定鹽酸
羥胺法
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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。
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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