常用防腐剂是乙二醇或丙二醇，因为随着酒精快速挥发，捕集器也随之恢复干燥。
The preservative used is usually ethylene glycol or propylene glycol, as alcohol will evaporate quickly and the traps will dry out.
研究了由二丙二醇单烯丙基醚制得的不饱和聚酯树脂的风干性能。
The air drying property of unsaturated polyester resin prepared from dipropylene glycol monoallyl ether was studied.
采用具有较高特性黏度、含成核剂的聚对苯二甲酸丙二醇酯（PTT）。
Synthesize polytrimethylene terephthalate with higher characteristic viscosity and nucleating agent.
氨甲环酸丙二醇，甘油，乳酸等。
成份：烷基糖苷、熊果苷、丙二醇等。
本文研究了聚丙二醇的合成和精制方法。
The preparation and purification process of polypropylene glycol was studied.
综述了丙二醇甲醚合成催化剂研究的最新进展。
Researches in propanediol methyl ether synthesis catalysts were reviewed in this paper.
采用反应精馏新工艺由环氧丙烷水合制丙二醇。
A new process of Hydration of propylene oxide to glycols was introduced.
研制开发了新型碱性催化剂制备丙二醇单甲醚。
Synthesis of Propylene Glycol Monomethyl Ether with Novel Alkaline catalyst is developed and manufactured.
综述了1,3 -丙二醇生产工艺的研究进展。
The research progress on the production technique for 1, 3-propanediol is reviewed.
分别用丙酮和1,2丙二醇做原料合成了丙酮醛。
Pyruvaldehyde was synthesized with acetone or 1, 2 propanediol as starting material respectively.
标签声明：本品含有香精，丙二醇，乙醇和焦糖色素。
Label Statement: Contains flavor, propylene glycol, ethyl alcohol and Caramel Color.
金缕梅提取液、维生素e、杏仁油、貂油、角鲨烷、丙二醇等。
Hamamelis mollis extract, vitamin e, almond oil, mink oil, squalane, and propanediol etc.
主要成分：甘油，丙二醇，凤梨鼠尾草，金盏花萃取，茶树油。
Ingredients: Glycerin, Propylene Glycol, Salvia Officinalis Saga, Calendula Officinalis Flower Extract, Melalenca Alternifolia Leaf Oil.
用于工业用途的丙二醇和用于肌肤护理产品的丙二醇是相同的。
There is no difference between what's used in industry and what's used in personal care products.
除此之外，很多麦当劳的酱料也添加了这两种含有海藻酸丙二醇的物质。
Along with many of McDonald's sauces, both the cilantro lime glaze and the orange glaze contain propylene glycol alginate.
讨论了以丙酮、丙二醇、甲醇为原料间接法制备二甲氧基丙烷的方法。
This text discussed preparation and the method of dimethoxypropane for the raw materials with the acetone, the methanol, and the glycerine.
建立了填充柱气相色谱法测定烟用香精中水、乙醇、丙二醇含量的方法。
A method for determining the content of water, ethanol and propylene glycol in tobacco flavor by gas chromatography with a packed column was established.
结果表明，普通物理萃取和络合萃取法均不能有效分离1，3-丙二醇。
The results indicated that normal physical or chaleting extraction does not effectively separate 1,3 PD.
以及生产ptt的原料1,3 -丙二醇生产工艺近期所取得的新进展。
The latest technical advance of 1, 3-propanediol for PTT raw materials production technique were introduced emphatically.
丙二醇是“表面活性剂”，或湿润剂、溶解剂，是防冻液中一种主要成分。
As a "surfactant" or wetting agent and solvent, PG is actually the active component in antifreeze.
初步探讨了丙二醇苯基醚对漆膜性能、施工性的影响，并与原漆进行了比较。
The influence of propylene glycol phenyl ether on the film properties and application process were discussed, and compared to the original paint.
研究了甲醇与环氧丙烷在碱性催化剂TA存在下均相合成丙二醇甲醚的过程。
A process of reacting propylene oxide with methanol using basic catalyst ta is investigated.
丙二醇也被认为是隐藏在随身物品中的杀手的代理，习惯于用来捕捉地面上的甲虫[10]。
Propylene glycol is also used "As the killing and preserving agent in pitfall traps, usually used to capture ground beetles" [10].
利用基因工程技术生产1,3 -丙二醇，特别是途径工程的利用已取得了重大突破。
The technology for production of 1, 3-propanediol by the gene engineering has been broken through, especially by the pathway engineering.
建立了EBT - 1,2 -丙二醇水溶液光度法准确测定食品中镁含量的新方法。
A new spectrophotometric method for determining magnesium content in foodstuffs with EBT-1, 2-propanediol as color reagent was developed.
由硬脂酸乙酯与蔗糖在无毒溶剂丙二醇存在下进行酯交换反应，合成了硬脂酸蔗糖酯。
The ethyl stearate react with sucrose and to synthesize the sucrose fatty acid ester in the poisonless solvent (propanediol).
由硬脂酸乙酯与蔗糖在无毒溶剂丙二醇存在下进行酯交换反应，合成了硬脂酸蔗糖酯。
The poison methyl alcohol has been replaced by alcohol to react with Stearic acid and to synthesize the ethyl stearate.
算通常用来制作清洁用品的丙二醇，即便处于适当的物理状态，数量一多仍然会造成问题。
Propylene glycol, commonly used to keep cleansing ingredients in the proper physical state, also poses a problem in large quantities.
丙二醇(1,3 - PD)是一种重要的化工原料，具有许多优良特性和很好的应用前景。
As an important chemical material, 1, 3-propanediol (1, 3-pd) has numerous promising properties and applications.
应用推荐