烯酮

The results show that there is intensive synergistic effect among cetyltrimethylammonium bromide, benzalacetone and polyethylene glycol. A bright and compact nanocrystalline zinc was produced due to the coexistence of such three additives.

结果表明，十六烷基三甲基溴化铵、4-苯基-3-丁烯-2-酮和聚乙二醇三种添加剂之间具有较强的协同作用，采用三者组成的混合添加剂可制备出光亮致密的纳米晶锌镀层。

Chapter 4: Synthesis of 1,5-diary 1-1,4-pentadien-3-ones from acetone or benzalacetone with aromatic aldehydes results in 86-97% yield with potassium hydroxide as catalyst under ultrasound irradiation in 5-60min.

为合成氰基环己醇找到一条方便高效的合成方法。第四章：研究了超声辐射下，以氢氧化钾为催化剂，芳香醛与丙酮及亚苄基丙酮之间反应合成1，5-双苄基-1，4-戊二烯-3-酮。

The asymmetric hydrogenation of prochiral ketones is one of the most efficient methods of producing enantiomerically enriched secondary alcohols. The ruthenium complex RuCl_2[P(C_6H_5)_3]_2--DPEN(DPEN=1, 2-diphenylethylene-diamine) was applied to the asymmetric hydrogenation of benzalacetone.

具有光学活性的烯丙基醇是合成许多生理活性药物的重要中间体，前手性酮不对称加氢反应是制备具有光学活性仲醇的一种重要方法。

Quinone methides, generated in situ from the reaction of 4-hydroxycoumarin with benzaldehyde, formaldehyde and pentanal, underwent the Diels-Alder reaction with silyl enol ethers to give a series of 3,4-dihydro-2H,5H-pyrano[3,2-c][1]benzopyran derivatives in high yields.

通过4-羟基香豆素与苯甲醛、甲醛和戊醛缩合产生的quinone methide与烯醇硅醚的Diels-Alder反应，以较高产率合成了一系列含有硅氧基的3，4-二氢-2H，5H-吡喃并[3，2-c][1]苯并吡喃-5-酮衍生物。

Components were identified which represented 85.1% of the total essential oil by the silica gel column separately.Conclusion 10 components were identified which included Bicyclo (6,3,0) undeca-dien-3-one, 5,5-dimethyl ect. of the essential oil from Angelica acutiloba Kitag were analyzed for the first time.

结果超临界CO2萃取物为黄棕色油状物，得率为0.9%，用GC-MS联用技术从中鉴定出亚油酸乙酯、5，5-二甲基-双环（6，3，0）-1，7-十一烯-3-酮等30种成分，占挥发油总含量65.66%；萃取物经硅胶柱色谱分离纯化，从中鉴定出十八酸乙酯等11种成分，占总含量的85.1%。

Components were identified which represented 65.66% of the total essential oil includding 9.12-octadecadienoic acid, ethyl ester and ect. 11 components were identified which represented 85.1% of the total essential oil by the silica gel column separately.conclusion 10 components were identified which included bicyclo (6,3,0) undeca-dien-3-one, 5,5-dimethyl ect.

结果超临界co2萃取物为黄棕色油状物，得率为0.9%，用gc-ms联用技术从中鉴定出亚油酸乙酯、5，5-二甲基-双环（6，3，0）-1，7-十一烯-3-酮等30种成分，占挥发油总含量65.66%；萃取物经硅胶柱色谱分离纯化，从中鉴定出十八酸乙酯等11种成分，占总含量的85.1%。

Objective To synthesize 10-O-adipic acid-[2'-methoxy-4'-(3"-keto-1"-Butenyl)-Phenoxy-]-dihydroartemisinin conjugate.

目的 合成10-O-己二酸基－［2'-甲氧基4'-（3&-酮－1&-丁烯基）－苯酯］－双氢青蒿素酯。

Aroma components of Hexylalcohol,Benzeneethanol,Butylalcohol,Pentylalcohol, ethyl acetate, Lactic acid ethylester, Butanedioic acid,diethylester, isopentylacohol acetate, acetic acid hexylester, acetic acid phenethylester, hexanoic acid ethylester, ethyl caprylate, decanoic acid ethylester, octanoic acid, linalool andα-terpineol were identified in former kiwi wine reports.

本试验首次在猕猴桃酒中发现了油酸乙酯，棕榈酸乙酯，9-癸烯酸，肉豆蔻酸乙酯，月桂酸乙酯，香茅醇，法呢醇，异薄荷酮香气物质，目前国内外资料中报道的猕猴桃酒香气物质—己醇，苯乙醇，丁醇，戊醇，乙酸乙酯，乳酸乙酯，琥珀酸二乙酯，乙酸异戊酯，乙酸己酯，乙酸苯乙酯，己酸乙酯，辛酸乙酯，癸酸乙酯，辛酸，芳樟醇，α-松油醇等均在本试验研究中也检测出，并得到证实。

Nursing Orders: If unable to void, straight catheterize; sitz baths prn with 1:1000 Betadine prn, ice pack to perineum prn, record urine output.

护理程序：必要时插入导尿管，1：1000的聚烯吡酮磺坐浴，会阴部敷冰块，记录尿量

We also studied the enantioselective conjugate addition of chalcone in the presents of chiral Ni2 aminoalcohol complexes.

我们还研究了手性氨基醇配体/镍盐催化的a，β-不饱和酮的不对称迈克尔加成反应，以及酰腙的不对称烯丙基化反应。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。