考察了大孔强酸性树脂对1，4 丁二醇脱水制四氢呋喃的催化作用。
The catalysis of big pore strong acid resin for 1,4-butanediol dehydration to tetrahydrofuran is investigated.
与水、活性氢、醇、酚、胺、酰胺、羧酸、烯烃、醛、酮、酯加成得到的新化合物，可作脱水剂和氧化剂使用。
Many new compounds can be obtained by addition with water, hydrogen, alcohols, phenols, amines, amides, carboxylic acids, olefins, aldehydes, ketones, esters, etc.
甾醇是环戊烷全氢匪为骨架的一种物质，在自然界中以游离态和结合形式存在。
Sterol is a kind of substance of full cyclopentane hydrogen skeleton, and exists in the nature in free form and binding form.
本文综述了对化学工业具有潜在经济价值的油酸甲酯和油醇的氢甲酰化反应的进展，并介绍了反应产物的应用前景。
In this text, the developments of hydroformylation of methyl oleate and oleyl alcohol, as well as the reactions and applications of its final products were reviewed.
本论文主要研究了以四氢糠醇为原料合成吡啶的工艺。
The process for the synthesis of pyridine using tetrahydrofurfuryl alcohol (THFA) as material was researched in this article.
将硫酸氢钠作为由乙二醇单甲醚和乙酸酯化合成乙二醇单甲醚乙酸酯的催化剂。
Sodium bisulfate was used as the catalyst for esterification of ethylene glycol mono-methyl ether and acetic acid to ethylene glycol monomethyl ether acetate.
试验研究分析了反应温度、进料速度、水醇比（水和甲醇的物质的量的比）、反应时间对甲醇水蒸气重整制氢微型反应器性能的影响。
The effects of reaction temperature, space velocity, molar ratio of water to methanol, and reaction time on the performance of the micro reactor were investigated.
某厂松脂加工过程中，产生炼脂松香废水、歧化松香废水和二氢月桂烯醇废水等三股高浓度废水。
Three kinds of high concentrated wastewater, pine gum processing effluent, disproportionated rosin-making effluent and citronellol-making effluent have been produced in some plants.
以磷酸二氢铵、季戊四醇、三聚氰胺及丙烯酸树脂为原料研制了一种超薄膨胀型丙烯酸树脂钢结构防火涂料。
The title super-thin fire retardant intumescent coatings for steel structure is prepared with monobasic ammonium phosphate(ADP), pentaerythritol, melamine, and acrylic resin.
通过定性、定量分析，结果显示：柚皮中含有黄酮、异黄酮和二氢黄酮醇等多种黄酮化合物，总黄酮含量3.148%。
The qualitative and quantitative analysis results in the present study indicated that flavones, isoflavones and flavanonols existed in pomelo peel. The total content of flavonoids is 3.148%.
采用一步法合成以4 ，4 '-甲烷二环已基二异氰酸酯（HMDI）、扩链剂1，4 -丁二醇（BDO）为硬段，聚四氢呋喃醚（PTMG）为软段的脂肪族聚氨酯。
The one step method was adopted in this study to synthesize aliphatic polyurethane with 4,4 methylene dicyclohexyl diisocyanate(HMDI), 1,4 butanediol(BDO) and poly (tetrahydrofuran)(PTMG).
采用氢醌双丙酸酯为原料，在甲醇-水溶液中，碱性条件下，加入适量抗氧化剂，经部分醇解脱酰化反应合成氢醌单丙酸酯。
Hydroquinone monopropionate was synthesized by partially alcoholysized and deacylated of hydroquinone bipropionate in methanol-water solution and alkaline condition with appropriate antioxidant.
以硫酸氢钾为催化剂，丁酸和苄醇为原料合成丁酸苄酯。
Benzyl butyrate was synthesized by using potassium bisulfate as the catalyst.
我们现在主要是间歇加氢反应，现在车间加氢主要有丁炔醇的加氢和去氢芳樟醇的加氢。
We are now mainly intermittent hydrogenation, hydrogenation of now there are small workshops alcohol dehydrogenase of hydrogenation and the hydrogenation of linalool.
结果表明，在菝葜植物根茎中含有黄酮、黄酮醇、二氢黄酮、二氢黄酮醇等多种黄酮类化合物。
It was found that the roots of Smilax China L contained flavone, flavonol, dihydroflavone and dihydroflavonol etc.
通过卤过氧化物酶生物转化与化学步骤结合将茚定量转化为（1S，2R）-茚氧化物和（1S，2R）-二氢茚二醇的方法。
Quantitative conversion of indene to (1S, 2R) indene oxide and (1S, 2R)-indanpiol by combination of haloperoxidase bioconversion and chemical steps.
大豆油，大豆卵磷脂，植物起酥油，氢化大豆油，蜂蜡甘露醇，磷酸氢钙。
Soybean oil, soy lecithin, vegetable shortening, hydrogenated soybean oil, beeswax mannitol, dibasic calcium phosphate.
实验结果表明，铬酸氢根季铵盐树脂是一种氧化醇为醛或酮的有效选择性氧化剂。
The experiment results show that CrO 4h - quaternary ammonium salt resin is an effectively selective oxidant for oxidation of alcohol to aldehyde of ketone.
开发了一种镍基催化剂，该催化剂用于糠醇加氢制备四氢糠醇时表现出良好的性能。
A new Ni-supported catalyst for the hydrogenation of furfural alcohol(FA)to tetrafurfuralalcohol(THFA)was developed, and the related experimental studies were carried out.
用途：二氢杨梅素具有清除自由基、抗氧化等多种功效，还具有解除醇中毒、预防酒精肝、脂肪肝等作用，是保肝护肝，解酒醒酒的良品。
Usage:Dihydromyricetin can be used to clear the free radical. It also have the effect of anti-oxidation, preventing the forming of the thrombus, anti-tumour.
研究了以硼氢化钾修饰的雷尼镍催化剂催化松油醇加氢制备二氢松油醇的反应。
The hydrogenation of terpineol to dihydroterpineol catalyzed by Raney Nickel modified by potassium borohydride was studied.
煤化工的主流产品有氢、氨、醇、油、燃气等。
The main products of coal chemical engineering and the definition of polygeneration were described.
当聚四氢呋喃二醇与癸二醇的重量配比小于70/30时，共聚物具有明显的液晶性。
These polymers were found to be liquid crystalline when the feed ratio of poly(oxytetramethylene)glycol to 1,10-decanediol was less than 70 to 30.
血管内皮细胞体外试验发现白藜芦醇能中和自由基，降低乳酸去氢脢释出，有保护血管内皮细胞的作用。
Endothelium in vitro assays found that resveratrol could neutralize free radicals, lower the liberation of lactate dehydrogenase and protect endothelium.
报道了一系列衍生自9，10-二氢菲-9，10-二醇的新型手性配体设计、合成及在不对称催化反应中的应用。
A series of novel chiral ligands derived from (9,10)-dihydrophenanthrene-9,10-diol were designed , synthesized and applied in some asymmetric catalysis.
冠心病组与对照组血清去氢表雄酮、去氢表雄酮硫酸酯及雌二醇水平无显著性差异（均P>0.05）。
No obvious difference in DHEA, DHEAS and E2 level was found between two groups(all P>0.05).
冠心病组与对照组血清去氢表雄酮、去氢表雄酮硫酸酯及雌二醇水平无显著性差异（均P>0.05）。
No obvious difference in DHEA, DHEAS and E2 level was found between two groups(all P>0.05).
应用推荐