丁
- 与 丁 相关的网络例句 [注：此内容来源于网络，仅供参考]
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The influence factors on the yield of isobutyl salicylate were discussed.
以对甲苯磺酸为催化剂，通过水杨酸和异丁醇酯化反应合成水杨酸异丁酯，研究了各有关因素对产品酯化率的影响。
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A method for synthesis of isobutyl acetate based on paratoluenesulfonic acid as catalyst was developed.
以冰醋酸、异丁醇为原料，对甲苯磺酸为催化剂合成乙酸异丁酯，通过正交实验考察了原料比、催化剂用量、带水剂用量和反应时间等因素对反应的影响。
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The catalytic performance was studied using the hydrogenation of methyl isobutyl ketone as the probe reaction.
以甲基异丁基甲酮加氢制备甲基异丁基甲醇为探针反应，考察了所合成材料的加氢催化性能。
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The methyl isobutyl ketone is mainly used for solvents and rubber agents. China is an important country for consumption of MIBK.
甲基异丁基酮主要用于溶剂和橡胶助剂领域，目前我国已成为甲基异丁基酮主要消费国。
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With the material of propionic acid and isobutyl alcohol,the synthesis of isobutyl propionate by using solid Mo-Ni Catalyst to replace common vitriol is studied.
以丙酸和异丁醇为原料，以改性钼镍粉取代以往常用的硫酸作催化剂，进行了丙酸异丁酯的合成研究。
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Isobutyl acetate was synthesized from isobutyl alcohol and acetic acid with silicotungstic heteropolyacid as catalyst.
字数：6943 页数：24）摘要：以硅钨杂多酸为催化剂，以异丁醇和乙酸为原料合成了乙酸异丁酯。
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In this paper, di-isobutyl oxalate was prepared from oxalic acid and isobutyl alcohol using NaHSO_4 and p-toluenesulfonic acid as catalysts.
以草酸和异丁醇为原料，在酸性催化剂作用下进行酯化反应合成出一种新型柴油十六烷值改进剂——草酸二异丁酯。
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To provide fundamental data for the extraction process of phenol removal from wastewater, experimental liquid-liquid equilibrium data in the range of dilute phenol concentration were determined for the ternary system methyl isobutyl ketone-water-phenol at 25℃, 40℃ and 50℃ under atmospheric pressure.
为了给以甲基异丁基酮为溶剂的含酚废水萃取过程设计和流程模拟计算提供基础数据，实验测定了常压，25、40和50℃下甲基异丁基酮-水-苯酚三元物系在稀酚水范围内的液液相平衡数据。
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By reacting isobutyraldehyde with diethyl oxalate using sodium methoxide as catalyst,3-methyl-2-oxobutanoic acid,sodium salt was prepared by one pot.
采用甲醇钠催化异丁醛与草酸二乙酯反应，一釜法合成了3-甲基-2-氧代丁酸钠。
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The conversion of isobutyraldehyde and the selectivity to 2,4,6-triisopropyl-1,3,5-trioxane were 91.1% and 99.8% respectively under optimum reaction condition isobutyraldehyde 25.0 g, [Et3NH]Cl/FeCl3 ( x (FeCl3)＝0.62 1.0 g, 25 ℃ for 1 h .
在最佳的反应条件下（异丁醛25.0 g， [Et3NH]Cl/FeCl3 x (FeCl3=0.62 1.0 g， 25 °C，N2保护下反应1 h，异丁醛的转化率为91.1%，对2，4，6-三异丙基-1，3，5-三氧噁烷的选择性达99.8%。
- 推荐网络例句
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For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether
年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。
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Eph. 4:23 And that you be renewed in the spirit of your mind
弗四23 而在你们心思的灵里得以更新
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Lao Qiu is the Chairman of China Qiuyang Translation Group and the head master of the Confucius School. He has committed himself to the research and promotion of the classics of China.
老秋先生为中国秋阳翻译集团的董事长和孔子商学院的院长，致力于国学的研究和推广。