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- dibutyl sulfite 亚硫酸二丁酯
- ALLERGY WARNING: May contain sulfite residues. 可能含有亚硫酸盐残留。
- Dibutyl phthalate is commonly employed as such a plasticizer. 酞酸二丁酯一般用来作为这类增塑剂。
- PURIFICATION OF SODIUM SULFITE BY ALCHOL RECRYSTALLIZATION. 乙醇重结晶法精制含酚亚硫酸钠。
- SYNTHESIS OF DIBUTYL ADIPATE USING CATALYST TiSiW??12? TiSiW_(12)O_(40)/TiO_2复相催化合成己二酸二丁酯
- The action of sodium sulfite is similar to that of cysteine. 亚硫酸钠的作用类似于半胱氨酸的作用。
- Conclusion Dibutyl Phthalate is a slow toxicity substance. 结论邻苯二甲酸二辛酯对人体有慢性毒性。
- Ammonia sulfite pulping of corn stalk was studied in this paper. 研究除髓玉米秆亚铵法制浆蒸煮。
- The action of sodium sulfite is similar to that of cysteine . 亚硫酸钠的作用类似于半胱氨酸的作用。
- Rack the wine away from the lees again, sulfite it to about 20 ppm. SO2, and place it back in topped up containers for three or four weeks. 一个月后;再次分离酒脚;补SO2到20毫克/升;然后装满容器成熟3-4月.;(对我们国内的自酿酒;储存到元旦春节就可以开始享用了
- The catalytic synthesis of dibutyl adipate with organic acid, inorganic salt, solid super-acid, ion-exchange resin, HPA etc. were reviewed. 摘要综述了有机酸,无机盐,固体超强酸,阳离子交换树脂,杂多酸等催化剂催化合成己二酸二丁酯的方法。
- The best reaction condition are determined when synthesizing dibutyl maleate by using sloid chloride as catalyst. 提出了以固体氯化物为催化剂合成马来酸二丁酯的最佳反应条件。
- Synthesis of dibutyl sebacate from decanedioic acid and butanol by a self-made catalyst. 采用自制的催化剂,运用条件实验法,以癸二酸、正丁醇为原料直接酯化合成癸二酸二丁酯。
- Toluene is a colorless liquid used as a solvent, formaldehyde helps harden nails and dibutyl phthalate is a plasticizer that makes nail polish flexible. 甲苯是一种无色液体,用做溶媒;甲醛帮助硬化指甲;而邻苯二甲酸二丁酯是一种增塑剂,增强指甲油的柔韧性。
- The oxidation of sulfite is an important process in flue gas desulfurization by ammonia method. 摘要使用气体放电等离子体对较高浓度的亚硫酸钠进行氧化,在不同电压和频率条件下进行了实验。
- In this experiment, gas discharge was introduced to oxidize higher concentration of sodium sulfite under different voltages and frequencies. 发现在很低的功耗下,取得了很好的氧化效果。
- A new solid acid based on heteropolyacid has been proved to be a useful catalyst for the synthesis of dibutyl maleate. 新催化剂在顺丁烯二酸二丁酯的合成反应中显示很好的活性和温和的反应条件。
- Synthesis of dibutyl maleate from maleic anhydride and n-butyl alcohol on PTSA/PANI was studied. 以PTSA/PANI为催化剂、马来酸酐和正丁醇为原料合成马来酸二丁酯。
- The effect of the combination of L-ascorbic acid with cysteine and sodium sulfite on... L-抗坏血酸与半胱氨酸和亚硫酸钠组合处理对绿茶水的保质效果优于L-抗坏血酸单独处理效果。
- The technical economic analysis of using anticorrosion rotary di gester for ammonia sulfite pulping is conducted. 应用技术经济方法对亚铵法防腐蒸球进行技术经济分析。
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